aerosol generating device and process for extracting a smoke article

专利摘要:
EXTRACTOR FOR AN AEROSOL GENERATOR DEVICE. The present invention relates to an extractor (101) for an aerosol generating device. The device is configured to receive a smoke article (201), including an aerosol-forming substrate (203), and comprises a heater (115), to heat the aerosol-forming substrate to form the aerosol. The extractor is for extracting a smoke article, received in the aerosol generating device. The extractor comprises a sliding receptacle (105) for receiving the smoking article, and a sleeve (103) for receiving the sliding receptacle. The sliding receptacle is slidable in the sleeve between a first position, in which the aerosol-forming substrate of the smoke article is positioned to be heated by the heater, and a second position, in which the aerosol-forming substrate is substantially separated from the heater. The sliding receptacle includes a support (105b) to support the aerosol forming substrate of the smoke article, as the sliding receptacle and the smoke article are being moved from the first position to the second position. An electrically heated smoke system is also provided, including this extractor.
公开号:BR112014012065B1
申请号:R112014012065-0
申请日:2012-11-20
公开日:2021-01-12
发明作者:Julien Plojoux；Olivier Greim；Dani Ruscio
申请人:Philip Morris Products S.A.；
IPC主号:

专利说明:

[0001] [001] The present patent application relates to an aerosol generating device, capable of positioning an aerosol-forming substrate thereon. The patent application also relates to an extractor to position an aerosol-forming substrate within the aerosol generating device. The patent application also refers to the extraction of a smoke article from an electrically heated smoke system.
[0002] [002] Various prior art documents describe aerosol generating devices, which include, for example, heated smoking articles and electrically heated smoking systems. An advantage of these systems is that they significantly reduce the smoke responsible for secondhand smoke, while allowing the smoker to selectively suspend and resume smoking. An example of a heated smoking system is described in U.S. patent #No. 5,144,962, which includes in one embodiment a flavor generating medium in contact with a heater. When the medium is depleted, both it and the heater are replaced. An aerosol generating device, in which a substrate can be replaced without the need to remove the heating element, is desirable.
[0003] [003] The invention relates to an aerosol generating device, capable of positioning an aerosol-forming substrate, the device comprising: a heater to heat the aerosol-forming substrate and configured to penetrate an internal part of the aerosol-forming substrate; and an extractor, in which the extractor is able to position the inner part of the substrate in contact with the heater.
[0004] [004] As used in this specification, the term "position" refers to the movement of the aerosol-forming substrate relative to the heater of the aerosol-generating device. In this way, the extractor is able to move the aerosol-forming substrate relative to the heater, to facilitate the removal of the aerosol-forming substrate from the aerosol-generating device.
[0005] [005] As used in this specification, an "aerosol generating device" refers to a device that interacts with an aerosol-forming substrate to generate an aerosol. The aerosol-forming substrate may be part of an aerosol-generating article, for example, part of a smoke article. An aerosol generating device may comprise one or more components, used to supply energy from an energy source to the aerosol-forming substrate, to generate an aerosol. For example, an aerosol generating device can be a heated aerosol generating device. An aerosol generating device can be an electrically heated aerosol generating device or a gas heated aerosol generating device. An aerosol generating device can be a smoking device, which interacts with the aerosol forming substrate of an aerosol generating article, to generate an aerosol, which is directly inhaled into a user's lungs through the user's mouth. An aerosol generating device can be a carrier.
[0006] [006] As used in this specification, the term "aerosol-forming substrate" refers to a substrate capable of releasing volatile compounds, which can form an aerosol. These volatile compounds can be released by heating the aerosol-forming substrate. An aerosol-forming substrate may conveniently be part of an aerosol-generating article or smoke article.
[0007] [007] As used in this specification, the terms "aerosol generating article" and "smoke article" refer to an article comprising an aerosol-forming substrate, which is capable of releasing volatile compounds, which can form an aerosol. For example, an aerosol-generating article may be a smoking article, which generates an aerosol, which is directly inhaled into a user's lungs through the user's mouth. An aerosol-generating article may be disposable. The term "smoking article" is generally used below.
[0008] [008] Preferably, a smoking article is a heated smoking article, which is a smoking article comprising an aerosol-forming substrate, which is intended to be heated rather than burned, to release volatile compounds that can form an aerosol . The aerosol, formed by heating the aerosol-forming substrate, may contain less known harmful constituents than would be produced by combustion or pyrolytic degradation of the aerosol-forming substrate. A smoking article can be, or can comprise, a tobacco stick.
[0009] [009] In one embodiment, the extractor positions the aerosol forming substrate in a first position and a second position, the first position being an operational position, defined by the heater being in contact with the aerosol forming substrate, and the second position being an extraction position, defined by the aerosol-forming substrate being separated from the heater. In this way, the extractor can be mobilely coupled to an aerosol generating device, and can be movable between a first position, in which the aerosol forming substrate is in contact with a heater of the aerosol generating device, and a second position , in which the aerosol-forming substrate is separated from the heater. Preferably, the extractor remains attached to the aerosol generating device, when in the first position, in the second position and at any intermediate point between the first position and the second position. The extractor can be removably attached to the aerosol generating device.
[0010] [0010] The extractor may comprise a sliding receptacle for receiving a smoking article, the sliding receptacle being slidable between the first position and the second position. The entire extractor, including the sliding receptacle, can move to move the sliding receptacle between the first and second positions. Alternatively, only the sliding receptacle of the extractor can be slidable between the first position and the second position.
[0011] [0011] The first position of the sliding receptacle is an operational position, in which the heater can heat the aerosol-forming substrate of the smoke article to form the aerosol. As known to those skilled in the art, an aerosol is a suspension of solid particles or liquid droplets, or both solid particles and liquid droplets, in a gas, such as air. The second position of the sliding receptacle is an extraction position, which facilitates the removal of the smoke article from the aerosol generating device. The ends upstream and downstream of the aerosol generating device are defined with respect to the air flow, when the user puffs. Typically, incoming air enters the aerosol generating device at the upstream end, combines with the aerosol, and conducts the aerosol in the air flow towards the user's mouth at the downstream end.
[0012] [0012] In one embodiment, an aerosol generating device is capable of receiving an aerosol-forming substrate. The device comprises a heater to heat the aerosol forming substrate, the heater being configured to penetrate an internal part of the aerosol forming substrate, and an extractor to extract the aerosol forming substrate received in the aerosol generating device. The extractor is movably coupled to the aerosol generating device, between a first position and a second position, the first position being an operational position, defined by the heater being in contact with the aerosol forming substrate, and the second position being a position of extraction, defined by the aerosol-forming substrate being separated from the heater.
[0013] [0013] The extractor may comprise a sliding receptacle for receiving the aerosol generating article, an opening being defined by a wall of the sliding receptacle, to allow the heater to penetrate the aerosol forming substrate received inside the sliding receptacle, when the extractor is in the first position.
[0014] [0014] In one embodiment, a smoke article, including the aerosol-forming substrate, is provided to the aerosol generating device. In this embodiment, the smoke article remains substantially stationary relative to the sliding receptacle, as the sliding receptacle slides between the first position and the second position. The term "substantially stationary" is defined as a variation in position on the order of millimeters when using the aerosol generating device. The receptacle and the smoking article move relative to the other components of the aerosol generating device, including the heater. This allows the removal of the smoke article from the aerosol generating device to be achieved in two stages. In a first stage, the smoke article and the sliding receptacle are moved by sliding, while the aerosol-forming substrate is supported, relative to the components of the aerosol generating device, in particular, the heater. In a second stage, the smoke article, then separated from the heater, can be removed from the sliding receptacle.
[0015] [0015] The invention provides that the integrity of the aerosol-forming substrate is substantially maintained as the smoke article is removed from the aerosol generating device. The risk that loose fragments of aerosol-forming substrate are produced during removal and retained in the aerosol generating device is significantly reduced. This is advantageous, for example, because the aerosol generating device will need less frequent cleaning.
[0016] [0016] In one embodiment, the extractor further comprises a glove to receive the sliding receptacle, so that the sliding receptacle is arranged to slide in the glove, between the first and second positions. Alternatively, the glove may form part of the electrically heated smoke system housing, and may not comprise a separate component.
[0017] [0017] The sleeve may comprise an open end tube. The tube can be cylindrical. The sliding receptacle may comprise a cylindrical tube, or a substantially cylindrical shape, having a diameter slightly smaller than the diameter of the glove, so that the sliding receptacle can be received in the glove. The sliding receptacle may include a flange arranged to contact the sleeve when the sliding receptacle is in the first position. Since the smoke article is received correctly in the sliding receptacle, this allows the aerosol-forming substrate of the smoke article to be positioned correctly in order to be heated by the heater in the first position.
[0018] [0018] The aerosol generating device may further comprise a plug, to prevent the sliding receptacle from sliding out of the aerosol generating device, when the sliding receptacle is moved to the second position. The plug may be arranged to cooperate with the plug receiving medium, for example, a notch or a depression for receiving the plug. The plug can be provided on the sliding receptacle. The plug receiving means can be provided in the sleeve, or in another part of the aerosol generating device. Alternatively, the plug may be provided in the sleeve or elsewhere in the aerosol generating device, and the plug receiving means may be provided in the sliding receptacle.
[0019] [0019] The aerosol generating device may further comprise a guide pin to guide the sliding receptacle, as the sliding receptacle is moved between the first and second positions. The guide pin substantially prevents the sliding receptacle from rotating in the aerosol generating device or glove. The guide pin can be arranged to cooperate with a slot or groove. The guide pin, for example, can be provided on the sliding receptacle. The slot or groove may be provided in the sleeve or elsewhere in the aerosol generating device. Alternatively, the guide pin may be provided on the sleeve or elsewhere on the aerosol generating device, and the slot or groove may be provided on the sliding receptacle.
[0020] [0020] The sliding receptacle may comprise an insulating material to provide insulation from the heater's heat. Alternatively or additionally, the glove may comprise an insulating material, to provide insulation from the heater's heat.
[0021] [0021] The aerosol generating device may be an electrically heated smoke system comprising an electric heater. In other embodiments, the aerosol generating device may be a heater smoke system, comprising a gas burner, or some heat source other than electricity. In one embodiment, an electrically heated smoke system is provided to receive a smoke article, including the aerosol forming substrate, the electrically heated smoke system capable of positioning the aerosol forming substrate and comprising: an electric heater to heat the aerosol forming substrate and configured to penetrate an internal part of the aerosol forming substrate; and an extractor to extract an article of smoke received in the electrically heated smoke system, in which the extractor is able to position the inner part of the aerosol-forming substrate in contact with the heater, the extractor comprising a sliding receptacle to receive the article of smoke, the sliding receptacle being slidable between a first position, in which the aerosol-forming substrate of the smoke article is positioned to be heated by the electric heater, and a second position, in which the aerosol-forming substrate is substantially separated from the eletric heater.
[0022] [0022] The term "electric heater" refers to one or more electric heating elements. The electric heater may comprise an internal electric heating element, to insert at least partially into the aerosol-forming substrate of the smoke article, when the smoke article is received in the slide receptacle and the slide receptacle is in the first position. An "internal heating element" is one that is suitable for insertion into an aerosol-forming material. The invention is particularly advantageous when used in conjunction with an internal heating element, since in that case there may be a tendency for the aerosol-forming substrate to cling to the heating element, and therefore break, as that the aerosol-forming substrate is separated from the heating element.
[0023] [0023] Alternatively or additionally, the electric heater may comprise an external heating element. The term "external heating element" refers to one that surrounds, at least partially, the aerosol-forming substrate. The electric heater may comprise one or more heating elements and one or more external heating elements.
[0024] [0024] The electric heater may comprise a single heating element. Alternatively, the electric heater may comprise more than one heating element. The heating element or heating elements can be arranged appropriately, in order to effectively heat the aerosol forming substrate.
[0025] [0025] The electric heater can comprise an electrically resistive material. Suitable electrically resistive materials include, but are not limited to: semiconductors, such as doped ceramics, electrically "conductive" ceramics (such as, for example, molybdenum disilicide), carbon, graphite, metals, metal alloys and composite materials made of a ceramic material and a metallic material. These composite materials can comprise doped or not ceramic tiles. Examples of suitable doped ceramics include doped silicon carbides. Examples of suitable metals include titanium, zirconium, tantalum and platinum group metals. Examples of suitable metal alloys include stainless steel, alloys containing nickel, cobalt, chromium, aluminum, titanium, zirconium, hafnium, niobium, molybdenum, tantalum, tungsten, tin, gallium, manganese and iron, and nickel-based super alloys , iron, cobalt, stainless steel, Timetal® and iron - manganese - aluminum alloys. In composite materials, the electrically resistive material can optionally be embedded in, encapsulated or coated with an insulating material, or vice versa, depending on the energy transfer kinetics and the required physicochemical properties. Alternatively, the electric heater may comprise an infrared heating element, a photonic source or an inductive heating element.
[0026] [0026] The electric heater can take any suitable shape. For example, the electric heater can take the form of a heating blade. Alternatively, the electric heater can take the form of an enclosure or substrate, having different electroconductive parts, or an electrically resistive metal tube. Alternatively, one or more heating needles or rods, which extend through the center of the aerosol-forming substrate, can be as already described. Alternatively, the electric heater can be a disc heater (end), or a combination of a disc heater with heating needles or rods. Other alternatives include an electrical wire or filament, for example, a Ni-Cr (Nickel - Chromium) wire, platinum, tungsten or alloy, or a heating plate. Optionally, the heating element can be deposited on or on a rigid carrier material.
[0027] [0027] The electric heater may comprise a heat sink, or a thermal reservoir comprising a material capable of absorbing and storing heat and, subsequently, releasing heat over time to the aerosol-forming substrate. The thermal drain can be formed of any suitable material, such as a suitable metallic or ceramic material. In one embodiment, the material has a high thermal capacity (sensitive thermal storage material), or is a material capable of absorbing and subsequently releasing heat by means of a reversible process, such as a high temperature phase variation. Heat sensitive storage materials include silica gel, alumina, carbon, glass mat, fiberglass, minerals, a metal or alloy such as aluminum, silver or lead, and a cellulosic material, such as paper. Other suitable materials, which release heat through a reversible phase change, include paraffin, sodium acetate, naphthalene, wax, poly (ethylene oxide), a metal, metal salt, a mixture of eutectic salts, or an alloy.
[0028] [0028] The thermal drain or heat reservoir can be arranged so that it is directly in contact with the aerosol-forming substrate, and can transfer the stored heat directly to the substrate. Alternatively, the heat stored in the thermal outlet or thermal reservoir can be transferred to the aerosol-forming substrate by means of a thermal conductor, such as a metal tube.
[0029] [0029] The electric heater can heat the aerosol-forming substrate by means of conduction. The electric heater may be, at least partially, in contact with the substrate, or with the vehicle, on which the substrate is deposited. Alternatively, the heat from the electric heater can be conducted to the substrate by means of a thermally conductive element.
[0030] [0030] Alternatively, the electric heater can transfer heat to the incoming ambient air, which is taken from the electrically heated smoke system during use, which in turn heats the aerosol-forming substrate by convection. The ambient air can be heated before passing through the aerosol-forming substrate.
[0031] [0031] In one embodiment, electrical energy is supplied to the electric heater until the heating element (s) of the electric heater reach a temperature between approximately 250 and 440 ° C. Any temperature control sensor and circuitry can be used to control the heating of the heating element (s), to reach a temperature between approximately 250 and 440 ° C. This is different from conventional cigarettes, in which the combustion of smoke and the cigarette wrap can reach 800 ° C.
[0032] [0032] The sliding receptacle may include a support for supporting the aerosol forming substrate of the smoke article, as the sliding receptacle and the smoke article are moved from the first position to the second position.
[0033] [0033] In one embodiment, the support for supporting the aerosol-forming substrate of the smoke article comprises a face of the sliding receptacle, the face including at least one opening to provide air passage. The sizes, shape and position of the opening can be adapted to control or direct the air flow, for example, the direction and amount of air flow. The air flow can be oriented towards the vicinity of the heater to optimize the heater generation.
[0034] [0034] The face or surface of the sliding receptacle can provide the support, which helps to maintain the integrity of the aerosol-forming substrate, particularly as the sliding receptacle is moved from the first position to the second position. The size and shape of at least one opening can affect air flowing through the aerosol generating device. This, in turn, can affect the characteristics of the aerosol. Therefore, the at least one opening can be of a size and shape selected according to the desired characteristics of the aerosol. This can improve the control of the air flow and, therefore, improve the overall efficiency of the aerosol generating device.
[0035] [0035] The size and shape of at least one opening can be selected depending on the properties of the aerosol-forming substrate. For example, if the aerosol-forming substrate comprises large pieces or fragments, a large opening may be adequate. However, if the aerosol-forming substrate comprises smaller pieces or fragments, a smaller opening may be desired to prevent small pieces from falling through the opening.
[0036] [0036] The at least one opening may comprise one, two, three, four or a greater number of openings. In one embodiment of the invention, the face of the sliding receptacle comprises a mesh or screen. If the sliding receptacle comprises a cylindrical tube, the support may comprise an end face, or part of an end face, of the cylindrical tube.
[0037] [0037] At least one of the openings can be arranged so that the heater extends through it, when the sliding receptacle is in the first position.
[0038] [0038] In one embodiment, the sliding receptacle comprises a clamping means for tightening the smoking article, when the smoking article is received in the sliding receptacle, and the sliding receptacle is in the first position.
[0039] [0039] The clamping means ensures that the smoke article is positioned correctly so that the heater can heat the aerosol-forming substrate of the smoke article when the user puffs. In addition, the clamping means ensures that the smoke article does not fall from the aerosol generating device, if the smoke system is oriented away from the vertical or away from the operational orientation. The clamping means can be arranged to squeeze the smoking article, when a smoking article is received in the sliding receptacle, if the sliding receptacle is in the first position or in the second position. Alternatively, the clamping means can be arranged to clamp the smoking article, when a smoking article is received in the sliding receptacle, only when the sliding receptacle is in the first position.
[0040] [0040] As mentioned above, the removal of the smoke article from the aerosol generating device can be done in two stages. In the first stage, the smoke article and the sliding receptacle are moved, by sliding, relative to the components of the aerosol generating device. In one embodiment, the clamping means is arranged to clamp the smoke article during the first stage. In the second stage, the smoke article, then separated from the heater, can be removed from the sliding receptacle. The clamping means can also be arranged to release the smoke article during the second stage.
[0041] [0041] The clamping means can be activated when the sliding receptacle is moved to the first position. Alternatively, the clamping means is activated only when a smoking article is received in the slide receptacle. This is advantageous as it allows a user to easily insert a smoking article into the sliding receptacle, even when it is in the first position, without the user having to overcome any forces exerted by the clamping means. For example, the clamping means may comprise a mechanical clamping means, arranged to remain in a non-clamped position, when no smoke article is received in the sliding receptacle, and arranged to move to a clamped position, when an smoke is received in the sliding receptacle. The clamping means can move from the non-clamping position to the clamping position by a force exerted by the smoke article itself.
[0042] [0042] The sliding receptacle may comprise a face against which the smoke article comes into contact, when the aerosol-forming substrate of the smoke article is correctly positioned so as to be heated by the heater. This indicates to the user that the smoking article is fully inserted into the sliding receptacle. This reduces the chance of damage to the aerosol-forming substrate during insertion.
[0043] [0043] In one embodiment, the aerosol generating device further comprises a moving means for moving the sliding receptacle between the first and second positions.
[0044] [0044] The means of movement may comprise motorized means of movement. The sliding receptacle can be moved between the first and second positions automatically, when the user exerts a force on the smoke article, to remove the smoke article from the aerosol generating device. Alternatively, the sliding receptacle can be moved between the first and second positions automatically, when the user operates a switch. Alternatively, no means of movement can be provided, and the sliding receptacle can be moved between the first and second positions manually by a user.
[0045] [0045] During the operation, the smoke article containing the aerosol-forming substrate can be completely contained within the aerosol generating device. In this case, a user can puff on a mouthpiece of the aerosol generating device. Alternatively, during operation, the smoke article containing the aerosol-forming substrate may be partially contained within the aerosol generating device. In this case, the user can puff directly on the smoking article.
[0046] [0046] The smoke article can be substantially cylindrical. The smoking article can be substantially elongated. The smoking article can have a length and a circumference substantially perpendicular to the length. The aerosol-forming substrate can be substantially cylindrical in shape. The aerosol-forming substrate can be substantially elongated. The aerosol-forming substrate may also have a length and circumference substantially perpendicular to the length. The aerosol forming substrate can be received in the sliding receptacle of the aerosol generating device, so that the length of the aerosol forming substrate is substantially parallel to the direction of the air flow in the aerosol generating device.
[0047] [0047] The smoking article can have a total length between approximately 30 mm and approximately 100 mm. The smoke article can have an outside diameter between approximately 5 mm and approximately 12 mm. The smoking article may comprise a filter plug. The filter plug can be located at the downstream end of the smoke article. The filter plug may be a cellulose acetate filter plug. The filter plug is approximately 7 mm long in one embodiment, but may be between approximately 5 mm to approximately 10 mm long.
[0048] [0048] In one embodiment, the smoke article has a total length of approximately 45 mm. The smoke article can have an outside diameter of approximately 7.2 mm. Furthermore, the aerosol-forming substrate may be approximately 10 mm long. Alternatively, the aerosol-forming substrate may be approximately 12 mm long. Furthermore, the diameter of the aerosol-forming substrate can be between approximately 5 mm and approximately 12 mm. The smoking article may comprise an external paper envelope. Furthermore, the smoke article may comprise a separation between the aerosol-forming substrate and the filter plug. The separation can be approximately 18 mm, but it can be in the range of approximately 5 mm to approximately 25 mm.
[0049] [0049] The aerosol forming substrate can be a solid aerosol forming substrate. Alternatively, the aerosol-forming substrate can comprise both solid and liquid components. The aerosol-forming substrate may comprise a smoke-containing material, containing volatile smoke flavor compounds, which are released from the substrate by heating. Alternatively, the aerosol-forming substrate may comprise a material other than smoke. The aerosol forming substrate may further comprise an aerosol former. Examples of suitable aerosol builders are glycerin and propylene glycol.
[0050] [0050] If the aerosol-forming substrate is a solid aerosol-forming substrate, the solid aerosol-forming substrate may comprise, for example, one or more of: powder, granules, pellets, fragments, noodles, strips or leaves, containing a or more of: grass leaf, smoke leaf, fragments of smoke veins, reconstituted smoke, homogenized smoke, extruded smoke and expanded smoke. The solid aerosol forming substrate can be in a loose form, or it can be provided in a suitable container or cartridge. Optionally, the solid aerosol-forming substrate may contain volatile smoke-flavored or non-smoke compounds to be released by heating the substrate. The solid aerosol-forming substrate may also contain capsules, which, for example, include volatile smoke-flavored and non-smoke compounds, and these capsules may melt while heating the solid aerosol-forming substrate.
[0051] [0051] Optionally, the solid aerosol-forming substrate can be provided or embedded in a thermally stable vehicle. The vehicle can take the form of powder, granules, pellets, fragments, noodles, strips or leaves. Alternatively, the vehicle can be a tubular vehicle, having a thin layer of the solid substrate deposited on its inner surface, or on its outer surface, or on both its inner and outer surfaces. This tubular vehicle can be formed, for example, from paper or a paper-like material, a non-woven carbon fiber blanket, a low-mass open-mesh wire mesh or perforated metal sheet, or any other thermally stable polymeric matrix .
[0052] [0052] The solid aerosol-forming substrate can be deposited on the surface of the vehicle, in the form of, for example, a sheet, foam, gel or paste. The solid aerosol-forming substrate can be deposited over the entire surface of the vehicle, or alternatively, it can be deposited in a model to provide an uneven flavor release during use.
[0053] [0053] Although reference is made to solid aerosol forming substrates above, it should be clear to a person skilled in the art that other forms of aerosol forming substrate can be included in other embodiments of the invention. For example, the aerosol-forming substrate may be a liquid aerosol-forming substrate. If a liquid aerosol forming substrate is provided, the aerosol generating device preferably comprises a means for retaining the liquid. For example, the liquid aerosol-forming substrate can be retained in a container. Alternatively or in addition, the liquid aerosol forming substrate can be absorbed into a porous carrier material. The porous carrier material can be made of any suitable absorbent body or plug, for example, a foamed metal or plastic material, polypropylene, terylene, nylon or ceramic fibers. The liquid aerosol forming substrate may be retained in the porous carrier material, prior to use of the aerosol generating device, or, alternatively, the liquid aerosol forming substrate may be released into the porous carrier material during or immediately before use. For example, the liquid aerosol-forming substrate can be provided in a capsule. The shell of the capsule preferably melts by heating and releases the liquid aerosol-forming substrate into the porous carrier material. The capsule can optionally contain a solid in combination with the liquid.
[0054] [0054] Alternatively, the vehicle can be a non-woven cloth or a fiber bundle, in which smoke components are incorporated. The non-woven cloth or fiber bundle may comprise, for example, carbon fibers, natural cellulosic fibers or fibers from cellulose derivatives.
[0055] [0055] When an aerosol generating device is an electrically heated smoke system, the electrically heated smoke system may further comprise an energy source, to supply energy to the electric heater. The power source can be any suitable power source, for example, a DC voltage source (direct current). In one embodiment, the power source is a lithium-ion battery. Alternatively, the power source can be a nickel metal hydride battery, a nickel cadmium battery, or a lithium-based battery, for example, a lithium - cobalt battery, lithium phosphate - iron or lithium - polymer .
[0056] [0056] The electrically heated smoke system can also comprise a set of electronic circuits, arranged to be connected to the power source and the electric heater. If more than one heating element is provided, the electronic circuitry can provide the heating elements, which will be independently controllable. The electronic circuitry can be programmable.
[0057] [0057] In one embodiment, the aerosol generating device further comprises a sensor, to detect an air flow indicative of a puffing user, which provides for the puff-based activation of the electric heater, or an improved control of the heater energy electric. The sensor can be any of: a mechanical device, an electromechanical device, an optical device, an optomechanical device and a sensor based on electromechanical microsystems (MEMS). In this embodiment, the sensor can be connected to the power source, and the system is arranged to activate the electric heater, when the sensor detects a user puffing. In an alternative embodiment, the system also comprises a manually operable key, so that a user can start a puff or provide a long-lasting smoking experience.
[0058] [0058] The aerosol generating device may further comprise a housing, to receive the smoke article containing the aerosol-forming substrate and designed to be safe by a user. The aerosol generating device may further comprise an air inlet. The aerosol generating device may further comprise an air outlet. The aerosol generating device may further comprise a condensation chamber, to allow formation of an aerosol having the desired characteristics.
[0059] [0059] According to a second aspect, an extractor for an aerosol generating device, the aerosol generating device, is provided to receive a smoke article, including an aerosol forming substrate and comprising a heater, to heat the substrate aerosol former to form the aerosol, the extractor to extract the smoke article received in the aerosol generating device, and comprising: a sliding receptacle for receiving the smoke article; and a glove to receive the sliding receptacle, in which the sliding receptacle is slidable in the glove, between a first position, in which the aerosol-forming substrate of the smoke article is positioned so as to be heated by the heater, and a second position, in which the aerosol-forming substrate is substantially separated from the heater, the slide receptacle including a support for supporting the aerosol-forming substrate of the smoke article, as the slide receptacle and the smoke article are being moved from the first position to the second position.
[0060] [0060] In one embodiment, an extractor is provided for an electrically heated smoke system, the electrically heated smoke system, to receive a smoke article, including an aerosol-forming substrate, and comprising an electric heater, to heat the aerosol forming substrate, to form the aerosol, the extractor for extracting a smoke article received in the electrically heated smoke system, and comprising: a sliding receptacle for receiving the smoke article; and a glove for receiving the sliding receptacle, in which the sliding receptacle is slidable in the glove, between a first position, in which the aerosol-forming substrate of the smoke article is positioned so as to be heated by the electric heater, and a second position , in which the aerosol-forming substrate is substantially separated from the electric heater, the sliding receptacle including a support for supporting the aerosol-forming substrate of the smoking article, as the sliding receptacle and the smoking article are being moved from the first position to the second position.
[0061] [0061] The extractor may further comprise a plug, to prevent the sliding receptacle from slipping out of the sleeve, when the sliding receptacle is moved to the second position. The plug can be provided on the sliding receptacle or on the sleeve. The plug may be arranged to cooperate with the receiving medium of the plug. The plug receiving means can be provided in the sleeve or in the sliding receptacle.
[0062] [0062] The extractor may also comprise a guide pin to guide the sliding receptacle, as the sliding receptacle is moved between the first and second positions. The guide pin can be provided on the sliding receptacle or on the sleeve. The guide pin can be arranged to cooperate with a slot or groove. The slot or groove can be provided in the sleeve or in the sliding receptacle.
[0063] [0063] The sliding receptacle may comprise a clamping means for tightening the smoking article, when the smoking article is received in the sliding receptacle and the sliding receptacle is in the first position.
[0064] [0064] Other aspects described in relation to the aerosol generating device and the aerosol generating device may also be applicable to the extractor.
[0065] [0065] Another aspect may provide an aerosol-forming substrate extractor to remove an aerosol-forming substrate from an aerosol-generating device. The aerosol-forming substrate extractor is detachable to the aerosol-generating device and comprises a sliding receptacle for receiving the aerosol-forming substrate. An opening is defined by a first receptacle wall, so that the first wall is capable of coupling with the aerosol forming substrate, while allowing a heater of the aerosol generating device to penetrate the receptacle and contact the forming substrate. of aerosol.
[0066] [0066] The sliding receptacle can be, when coupled to the aerosol generating device, slidable between a first position, in which the aerosol-forming substrate of the smoke article is positioned so as to be heated by the heater, and a second position, in the which the aerosol-forming substrate is substantially separated from the heater.
[0067] [0067] The extractor of the aerosol-forming substrate, when coupled to the aerosol-generating device, can form part of the external housing of the aerosol-generating device. For example, the aerosol generating device may comprise a housing, which is formed of at least two separable parts, and the extractor may comprise one such part.
[0068] [0068] An aerosol generating device, according to any aspect or embodiment described above, can comprise an extractor, as described in the present specification.
[0069] [0069] According to a third aspect, there is provided a process for extracting a smoke article, including an aerosol forming substrate from an aerosol generating device, the aerosol generating device comprising a heater, to heat the forming substrate aerosol, to form the aerosol, and an extractor, comprising a sliding receptacle, to receive the smoke article, the process comprising: sliding the sliding receptacle, with a smoke article received in the sliding receptacle, from a first position, in which the aerosol-forming substrate of the smoke article is positioned so as to be heated by the heater, and a second position, in which the aerosol-forming substrate of the smoke article is substantially separated from the heater, the aerosol-forming substrate of the smoke article being supported, during sliding, by a support in the sliding receptacle; and removing the smoking article from the sliding receptacle. Preferably, the extractor remains attached to the device in both the first and second positions.
[0070] [0070] In one embodiment, a process is provided for extracting a smoke article, including an aerosol-forming substrate, from an electrically heated smoke system, the electrically heated smoke system comprising an electric heater to form the aerosol and a extractor, comprising a sliding receptacle, for receiving the smoke article, the process comprising: sliding the sliding receptacle, with a smoke article received in the sliding receptacle, from a first position, in which the aerosol-forming substrate of the smoking article is positioned to be heated by the electric heater, and a second position, in which the aerosol-forming substrate is substantially separated from the electric heater, the aerosol-forming substrate of the smoke article being supported, during sliding, by a support in the receptacle sliding; and removing the smoking article from the sliding receptacle.
[0071] [0071] The features described in relation to one aspect of the invention may also be applicable to another aspect of the invention.
[0072] [0072] The invention will be described further, only by way of example, with reference to the attached drawings, in which:
[0073] [0073] Figure 1 is a schematic diagram of an aerosol generating device, according to an embodiment of the invention;
[0074] [0074] Figure 2A is a schematic diagram of the extractor of Figure 1 in a first position;
[0075] [0075] Figure 2B is a schematic diagram of the extractor of Figure 2A;
[0076] [0076] Figure 3 is a schematic diagram of the extractor of Figure 1 in a second position;
[0077] [0077] Figure 4 is a schematic diagram of an extractor clamping means, according to an embodiment of the invention;
[0078] [0078] Figure 6 is a schematic diagram illustrating the force to be applied to the smoke article, including an aerosol-forming substrate to insert or extract the smoke article, depending on the position of the smoke article in the extractor;
[0079] [0079] Figure 7A is a schematic diagram of an extractor according to another embodiment of the invention;
[0080] [0080] Figure 7B is a schematic diagram of the extractor of Figure 7A in a first position;
[0081] [0081] Figures 8A and 8B are schematic diagrams illustrating the thermal profile of a compressed aerosol-forming substrate and an uncompressed aerosol-forming substrate;
[0082] [0082] Figure 9A is a schematic diagram of an extractor having windows according to another embodiment of the invention;
[0083] [0083] Figure 9B is an illustration of the extractor of Figure 9A, with a smoking article received in it;
[0084] [0084] Figure 10A is a schematic diagram illustrating an aerosol generating device according to an embodiment of the invention;
[0085] [0085] Figure 11 is a schematic cross-sectional illustration of the device of Figure 10, with an article of smoke received in it;
[0086] [0086] Figure 12 is a schematic cross-sectional illustration of the device of Figure 10, showing an article of smoke being extracted; and
[0087] [0087] Figures 13A and 13B are schematic diagrams illustrating the use of fasteners to retain the extractor in the device of Figure 10.
[0088] [0088] Figure 1 shows an aerosol generating device 1, including an extractor 101, according to an embodiment of the invention. In this embodiment, extractor 101 comprises a sleeve 103 and a sliding receptacle in the form of fastener 105. In Figure 1, extractor 101 is shown in a first position, for example, an operational position, without an aerosol-forming substrate. In that embodiment, sleeve 103 comprises a substantially cylindrical tube. In that embodiment, fastener 105 also comprises a substantially cylindrical tube, but has a slightly smaller diameter than that of sleeve 103, so that fastener 105 can be received slidingly into sleeve 103. The outer end 105a of fastener 105 is open, to receive an aerosol-forming substrate, and includes flange 107. In this embodiment, flange 107 is in the form of a protruding ring or collar, which comes into contact with the outer end of sleeve 103, when the extractor is in the first operational position. In this embodiment, the inner end 105b of fastener 105 is closed, except for an opening 109. Fastener 105 also includes a guide pin 110, which protrudes from fastener 105 a into a notch or groove (not shown), on the inner wall of sleeve 103. Fastener 105 also includes a clamping means 111, to be described in more detail below.
[0089] [0089] As shown in Figure 1, in the first operational position, fastener 105 is positioned completely inside sleeve 103, with flange 107 at the outer end of fastener 104 making contact with sleeve 103. The fastener and sleeve are positioned within an housing of the aerosol generating device 113, for example, an electrically heated smoke system. In the first position shown in Figure 1, the heater of the aerosol generating device, which is in the form of heating element 105, extends through opening 109 at the inner end of fastener 105. The inner end 105b of fastener 105 is adjacent and can enter in contact with the support 117 for the heating element 115.
[0090] [0090] Figure 2A shows the extractor 101 of Figure 1, with a smoke article 201 inserted in the aerosol generating device. The reference numbers for the extractor are not shown in Figure 2 for simplicity. In that embodiment, the smoke article 201 has an elongated cylindrical shape and comprises an aerosol-forming substrate 203, and a filter plug 205, arranged sequentially and in coaxial alignment. The aerosol forming substrate 203 and the filter plug 205 are additionally wrapped with an outer paper wrap 207. Other components can be included in the smoke article.
[0091] [0091] Figure 2B shows a cross section of the smoking article 201 illustrated in Figure 2A. The aerosol-forming substrate 203 of the smoke article 201 is bounded by a circumference 209. The circumference 209 defines an inner portion 211 of the aerosol-forming substrate 203. When the extractor 101 is positioned in the first position, the heating element 115 is provided inside the substrate 203, as shown in Figures 2A and 2B.
[0092] [0092] The first position of fastener 105 (shown in Figure 2A) is an operational position, in which the heater can heat the aerosol-forming substrate 201 of the smoke article 201 to form the aerosol. As shown in Figure 2A, in the first position, the smoke article 201, which is received in the fastener 105, contacts the inner end 105a of the fastener 105. The clamping means 111 applies a force to the smoke article 201, to hold smoke article 201 in position. The substantially closed inner end 105b of fastener 105 acts as a support for the aerosol-forming substrate 203 of the smoke article 201. Fastener 105 is completely received within sleeve 103, with flange 105 contacting sleeve 103 and the inner end 105b of the adjacent fastener 105, and can contact the support 117 of the heating element 115 of the aerosol generating device. The heating element 115 extends through the opening 109 at the inner end 105b of the fastener 105 and towards the aerosol forming substrate 203 of the smoke article 201.
[0093] [0093] When a user puffs on the smoke article, the air flows towards the upstream end (the left side of Figure 2) towards the downstream end (the right side of Figure 2). Alternatively or additionally, air can flow from the right side, enter the space between housing 113 and sleeve 103, or the space between sleeve 103 and holder 105, passing to the left, and then enter the inner end 105b through the opening 109. As the user puffs, the heating element 115 heats the aerosol-forming substrate 203 to create the aerosol. The aerosol is then carried in the air flow to the user's mouth. Because of the air flowing through and adjacent to the aerosol-forming substrate, air flows through the opening 109 at the inner end 105b of the fastener 105. In this way, the size and shape of the opening 109 can be used to control the air flow and, consequently, , the characteristics of the aerosol.
[0094] [0094] Figure 3 shows the extractor and the smoke article of Figure 2A, when the fastener 105 is in a second position, for example, an extraction position. When the smoking article 201 is completely consumed, or the user considers that the smoking article has been completely used, the catch 105 can be moved from the first operating position, shown in Figure 2A, to the second extraction position, shown in Figure 3 As the fastener is moved from the first operating position to the second extraction position, the guide pin 101 moves along the notch or groove (not shown) in the inner wall of sleeve 103. This ensures that the fastener does not rotates in the glove. The second position of the sliding receptacle is an extraction position, which facilitates the removal of the smoke article from the aerosol generating device. As shown in Figure 3, in the second extraction position, the smoke article 201 is still received at the fastener 105 and still contacts the inner end 105a of the fastener 105. However, the fastener is then only partially received at the sleeve 103 The clamping means 111 still applies a force to the smoke article, but the force is small, because the fastener 105 is not contained by the sleeve. The fastener and the smoke article are moved away from the heating element 115, so that the heating element 115 no longer extends through opening 109 or towards the aerosol-forming substrate 203. A plug in the fastener (not shown in Figure 3, to be described in more detail with reference to Figure 4) is provided to prevent the fastener from coming out of the glove.
[0095] [0095] As the fastener is moved from the first operating position to the second extraction position, shown in Figure 3, the substantially closed inner end 105b of fastener 105 acts as a support for the aerosol forming substrate 203 of the article of smoke 201. Once the aerosol-forming substrate has been heated by the heating element 115, there is often a tendency for the heating element 115 to bond with the aerosol-forming substrate. This can cause the aerosol-forming substrate to rupture as the smoke article is removed from the aerosol generating device. However, in the embodiment illustrated in Figures 1 to 3, the substantially closed inner end of the fastener 105 exerts a force on the aerosol-forming substrate, as the fastener is moved from the first operating position to the second extraction position, which neutralizes any tendency of the aerosol-forming substrate to remain trapped in the heating element and therefore disintegrate.
[0096] [0096] Figure 4 is an enlarged view of part IV of Figure 1. Figure 4 shows a part of fastener 105 inside sleeve 103 in the first operating position, shown in Figure 1. As can be seen in Figure 4, the fastener 105 includes a stopper 401, which protrudes from the outside of the fastener. The sleeve includes two notches 403, 405, which are arranged to cooperate with plug 401. When the fastener is in the first operational position (as shown in Figure 4), the plug 401 is positioned in the notch 403. When the fastener is moved from First operating position, the curved shape of plug 401 and notch 403 allows plug 401 to slide out of notch 403. When the fastener is in the second extraction position (not shown in Figure 4), plug 401 is positioned at notch 405 The cooperation of plug 401 with slot 403 keeps the fastener in the first operational position. The cooperation of the 401 plug with the notch 405 keeps the fastener in the second extraction position. The notch 405 can be deeper than the notch 403. This allows the plug to be removed from the notch 403 when the fastener is moved from the first operating position to the second extraction position. However, this does not allow the fastener to be completely extracted from the glove. In one embodiment, the inner side of the notch 405 can be tilted more gradually than the outer side of the notch 405. This allows the fastener 105 to be moved from the second extraction position back to the first operating position.
[0097] [0097] In Figures 1 to 4, plug 401 and guide pin 110 are shown on opposite sides of fastener 105. However, plug 401 and guide pin can be on the same side as fastener 105. In addition, the guide pin 110 can also help prevent the fastener from coming out of the sleeve. For example, the guide pin may be arranged to contact an end of the slot or groove in the inner wall of the sleeve, when the fastener is in the second extraction position.
[0098] [0098] Glove 103 has several functions. First, it guides fastener 105, as fastener 105 slides between the first operating position and the second extraction position. Glove 103 remains stationary with respect to the aerosol generating device. The position of the flange 107 of the fastener 105 against the sleeve 103 also positions the first position correctly relative to the heating element, so that when the smoke article is received in the fastener, the heating element can heat the aerosol-forming substrate. The cooperation of the notch or groove in the glove with the orifice 110, in the fastener 110, prevents the rotation of the fastener 105, the glove 103 can act to isolate the external housing of the aerosol generating device from the heating element 115. This is advantageous to prevent that the external housing of the aerosol generating device becomes very hot, to the point of being safely held by a user. Although the glove is shown as a separate component in Figures 1 to 4 it is possible that the glove is formed integrally with the aerosol generating device itself.
[0099] [0099] Fastener 105 has several functions. First, it retains the smoke article and ensures that it is positioned correctly in the heating element, to heat the aerosol-forming substrate. In addition, the internal end of the fastener supports the aerosol-forming substrate, particularly during the extraction process. This allows the integrity of the aerosol-forming substrate to be maintained substantially, as the smoke article is extracted from the aerosol generating device. The cooperation of the guide pin 110 on the fastener with the notch or groove on the sleeve 103 prevents rotation of the fastener 105 on the sleeve 103. In addition, the fastener 105 can act to isolate sleeve 103 from the heating element 115. Finally, the structure of the internal end of the fastener 105, particularly of the opening 109, can be used to control the air flow. This can affect the characteristics of the aerosol and can increase the efficiency of the aerosol generating device.
[0100] [00100] In the embodiment described above with reference to Figures 1 to 4, the smoke article is in the form of an elongated cylindrical smoke article, including an aerosol-forming substrate 203 and a filter plug 205, arranged sequentially and in coaxial alignment and additionally wrapped with a paper wrap 207. The length of the elongated smoke article is parallel to the direction of the air flow (not shown), when the user puffs on the smoke article. However, the smoking article does not have to be in the shape shown in Figures 1 to 4. For example, the smoking article may include other components. The smoke article simply requires an aerosol-forming substrate, which can be positioned to be heated by the heater, when the smoke article is received in the extractor holder, and the extractor is in the first operational position.
[0101] [00101] In the embodiment described above with reference to Figures 1 to 4, the heating element is in the form of an integral heating element. That is, the heating element 115 is arranged to be at least partially inserted into the aerosol-forming substrate of the smoke article, when the extractor is in the first operational position. In Figures 1 to 4, the heating element 115 is in the form of an elongated pin or rod of electrically resistive material. However, this is not necessarily the case, and the heating element can be any suitable shape. However, it has been found that the extractor according to the invention is particularly advantageous when used in conjunction with an internal heating element. It has been found that maintaining the integrity of the aerosol-forming substrate during the extraction of a smoke article from an aerosol generating device, having an internal heating element, can be difficult. There is a tendency for an aerosol-forming substrate to grip the heating element, which can be particularly disturbing when the heating element is an internal heating element. Extraction may result in some disintegration of the aerosol-forming substrate, and loose fragments of the aerosol-forming substrate may remain in the system. The extractor of the invention reduces the disintegration of the aerosol-forming substrate, as the smoke article is being extracted from the aerosol generating device, particularly when the aerosol generating device includes an internal electric heating element, which is at least partially inserted into the aerosol-forming substrate during heating.
[0102] [00102] In the embodiment illustrated in Figures 1 to 4, the inner end 105b of fastener 105 is closed, except for opening 109. Opening 109 allows the heating element 115 to extend through the inner end 105b of fastener 105 and to the substrate aerosol former. The opening can be any suitable size, which is less than the diameter of the fastener. The inner end of the fastener must be sufficiently closed, so that the inner end can provide some support for the aerosol forming substrate, particularly as the smoke article is being removed from the aerosol generating device. That is, the inner end of the fastener has two functions. First, the inner end of the first position acts as a support for the aerosol forming substrate, particularly during the process of extracting the smoke article from the aerosol generating device. This reduces the likelihood that the aerosol-forming substrate will break or crumble. Second, the inner end of the first position allows air to flow from the upstream end of the aerosol generating device through the aerosol-forming substrate, during the heating process, so that the aerosol can be carried in the air flow to the mouth of user. In the case of an internal heating element, as shown in Figures 1 to 3, the internal end of the fastener must also allow the heating element to extend through the internal end of the fastener and towards the aerosol-forming substrate.
[0103] [00103] The inner end may, however, have any suitable alternative structure. The inner end of the fastener can have a structure, which is particularly suitable for the type of aerosol-forming substrate. For example, the inner end of the fastener can be drilled with several small holes. This will allow air to flow through the inner end of the fastener. If a single internal heating element is used, the heating element can extend through one of the small holes. If several internal heating elements are used, the heating elements can extend through the small holes. Alternatively, the inner end may comprise mesh or mesh, or another material, which provides air flow through it. The opening at the inner end of the fastener, by which if the heating element or elements extend, can be of any suitable form. For example, the opening can be rectangular or circular. The shape of the opening can be the same as the shape of the cross section of the heating element (s).
[0104] [00104] As described in relation to Figure 2, when the fastener is in the first operational position, the internal end of the fastener is close to the support 117 for the heating element. By minimizing the space between the internal end of the fastener and the adjacent component, there is little space left for the loose fragments of the aerosol-forming substrate, which will be retained in the aerosol generating device, after the smoke article has been removed. In this way, the inner end of the fastener can be designed to substantially fill the void space between the adjacent component and the fastener with just enough space for air to flow.
[0105] [00105] As already mentioned, when a user is puffing the smoke article on the aerosol generating device, the catch 105 and the smoke article 201 are in the first operational position (shown in Figure 2). The heating element 115 heats the aerosol-forming substrate 203, when the user puffs, to form the aerosol. Alternatively, the heating element 115 can heat up continuously, after an initial activation, for example, triggered by a first puff of the user, or by a switch activated by the user. The aerosol is contained in the air flow to the user's mouth. When the tobacco article is completely consumed, or the user considers that the tobacco article is already used, the fastener 105 can be moved from the first operational position to the second extraction position (shown in Figure 3). This can be achieved manually by the user by pulling fastener 105 out of sleeve 103. In that case, the user can grab flange 107 to pull fastener 105 out of sleeve 103. Alternatively, this can be done automatically. For example, the user can activate a switch, which activates a motor, to slide the fastener from the first operating position to the second extraction position. Alternatively, the automatic movement of the fastener, from the first operating position to the second extraction position, can be activated by the user by exerting a force on the smoking article to pull the smoking article out of the fastener. The extractor can be returned to the first operational position for another smoking item, either manually or automatically. Alternatively, flange 107 can be connected to an outer shell (not shown), which conducts force and movement through flange 107, to operate fastener 105 in the manner discussed above.
[0106] [00106] In the embodiment illustrated in Figures 1 to 4, the fastener 105 includes a clamping means 111, for tightening the smoke article 201, when the fastener 105 and the smoke article 201 are in the first operational position. In Figures 1 to 4, the clamping means has a relatively simple construction. The clamping means comprises a small diameter collar on fastener 105. When the fastener is in the second extraction position, fastener 105 is not contained within sleeve 103. This allows the fastener to expand very slightly, which increases the diameter of the fastener in the position of the clamping means 111. This allows a user to insert a smoke article in the fastener when the fastener is in the second extraction position. When the fastener slides in the glove to the first operating position, the fastener diameter decreases slightly as it is received slidingly into the glove. This allows the clamping means 111 to squeeze the smoke article and retain the smoke article in the correct position.
[0107] [00107] The clamping means, however, can have any suitable structure. In the case of automatic extraction of the sleeve holder, it is particularly important that the clamping means is activated at the appropriate time. In the embodiment illustrated in Figures 1 to 4, the clamping means 111 is activated when the fastener 105 is moved to the first operational position. Other embodiments of the clamping means can also be activated when the fastener 105 is moved to the first operating position. However, it is possible for a user to insert a smoking article into fastener 105, when the fastener is already in the first operational position. In this way, it would be advantageous if the clamping means is activated only when a smoking article is received in the fastener.
[0108] [00108] Figure 5 shows an embodiment of the clamping means, which is activated when an article of smoke is received in the fastener. Figure 5 is an enlarged view of one end of the fastener 105, when it is contained in the sleeve 103 and in the first operational position. Clamping means 111 has an inner end 111a, closest to the inner end of fastener 105, and an outer end, closest to the outer end of fastener 105. Two positions 501, 503 are shown for clamping means 111. When none smoke article is received in holder 105, the clamping means is positioned in position 501. That is, the clamping means is pushed into position 501, when no smoking article is in clamp 105. When a smoking article is inserted on the fastener 105 and approaching the inner end of the fastener 105, the smoke article is compressed against the inner end 111a of the clamping means 111. Therefore, the clamping means 111 rotates around the pivot 505 and moves to the position 503. In position 503, the outer end 111b of the clamping means is compressed into the smoke article, in order to squeeze the smoke article and hold it in position on the clamp 105. When the smoke article is to be removed from the clamp 105 when a us The user pulls the smoke article, as the smoke article moves only a short distance from the inner end of the fastener, this releases the clamping means 111, and the clamping means 111 can rotate around the pivot 505 of it returns to position 501. In position 501, the outer end 111b of the clamping means moves outwardly and thus away from the smoke article, in order to release the smoke article.
[0109] [00109] Figure 6 is a schematic diagram illustrating the force to be applied to the smoking article, to insert or extract the smoking article, depending on the position of the smoking article in the extractor. The x-axis shows the position (E) of the smoke article in the extractor. The y-axis shows the force (F) required to insert the smoke article into the aerosol generating device or extract the smoke article from the aerosol generating device. Between positions 601 and 603, the smoke article is sliding inside fastener 105. A force 607 is required to overcome the frictional force of the fastener. Between positions 603 to 605, the heating element 115 is being inserted into the aerosol-forming substrate of the smoke article. A force 609 is required to overcome the frictional force of the heating element 115, in addition to the frictional force of the fastener 105. In position 605, the smoke article makes contact with the bottom 105b of the fastener 105. The sudden increase in the necessary force indicates to the user that the smoke article is in contact with the bottom of the fastener, and is in the correct position so that the aerosol-forming substrate is heated by the heating element.
[0110] [00110] In this way, the aerosol generating device of the invention provides a simple means of removing the smoke article, while minimizing the disintegration and rupture of the aerosol-forming substrate. This is particularly advantageous when the heater comprises an internal heating element. The extractor can also be used to assist in controlling the air flow in the aerosol generating device.
[0111] [00111] Figures 7A and 7B illustrate another embodiment of extractor 101. In the embodiment illustrated in Figure 7A, protrusions 701 are provided on the circumference of extractor 101. Protrusions 701 are positioned so that when extractor 101 is provided in position operational, the protrusions 701 deflect an inner wall 703 of the extractor 101. This deflection compresses the aerosol-forming substrate 203 of the smoke article 201.
[0112] [00112] Compression of the aerosol-forming substrate 203 may be desirable under certain circumstances. For example, compression of the aerosol-forming substrate 203 can improve physical contact between the aerosol-forming substrate 203 and the heater. Furthermore, the compression of the aerosol-forming substrate 203 also effectively decreases the porosity of the aerosol-forming substrate 203. In this case, porosity is defined as an air ratio to the substance that forms the aerosol-forming substrate 203. For For example, a higher percentage of air in a volume of cross-section of the aerosol-forming substrate 203 corresponds to greater porosity, and a lower percentage of air corresponds to less porosity. In other words, as the compression of the substance increases and air is forced out of the substance, the porosity decreases. As the porosity decreases, the average distance between the parts of the substance that forms the aerosol-forming substrate 203 also decreases and the substance becomes more dense.
[0113] [00113] Compression of the aerosol-forming substrate 203 can provide several beneficial effects, such as an improved thermal conductivity and a more homogeneous temperature profile of the aerosol-forming substrate 203. With the improved thermal conductivity and a more homogeneous profile of the forming substrate of aerosol 203, the percentage of undesirable elements in the aerosol can be controlled even better, because a lower operating temperature can be used to produce an equivalent or greater amount of aerosol, when compression of the aerosol-forming substrate 203 is used .
[0114] [00114] Although protrusions 701 are illustrated as distinct points located opposite each other in Figure 7 it will be evident to a person skilled in the art that other configurations providing compression of the aerosol-forming substrate 203 can be used. For example, a single protrusion, multiple protrusions located opposite each other axially, or protruding strips extending around the circumference of the smoke article 201, which provide compression of the aerosol-forming substrate 203, can be used. Alternatively, other configurations and distributions, with or without protruding strips, can be used to create a desired compressive effect on the aerosol-forming substrate 203.
[0115] [00115] Figure 8B illustrates the thermal profile of a compressed and uncompressed aerosol forming substrate 203. Figure 8A includes an illustration of an exemplary heating element 115, which is formed in the form of a blade, provided along the axis center of the aerosol forming substrate 203. The radius of the aerosol forming substrate 203 is defined by a central point (X1) and a point on the perimeter of the aerosol forming substrate 203 (X2), where the radius has an extension of r. Figure 8B shows exemplary thermal profiles, with a measured distance from the center of the aerosol forming substrates 203 to the external circumference of the same, that is, the thermal profile on the radial line between X1 and X2. Temperature 1 (T1) is a temperature above which undesirable components are released from the aerosol-forming substrate 203, or a maximum operating temperature. Temperature 2 (T2) is the desired operating temperature, which provides sufficient aerosol for operation. When heating the aerosol-forming substrate 203, a greater volume of aerosol can be formed, if a greater percentage of the aerosol-forming substrate 203 is at a temperature above T2.
[0116] [00116] As shown in Figure 8B, the exemplary thermal profile of an uncompressed aerosol-forming substrate (shown by a solid line in Figure 8) is less desirable because the temperature drops very rapidly radically out of the center of the substrate forming the aerosol. aerosol. In comparison, the compressed aerosol-forming substrate has a more uniform exemplary thermal profile (shown by a dashed line in Figure 8) and falls more slowly from the center of the aerosol-forming substrate to its perimeter. The lower porosity of the compressed aerosol-forming substrate produces improved thermal conductivity and a more homogeneous thermal profile. In this way, the compressed aerosol-forming substrate generates greater total aerosol production, without the need for a higher operating temperature.
[0117] [00117] Figure 9A illustrates another embodiment of an extractor 101. As shown in Figure 9A, windows 901 are provided in extractor 101. The structural integrity of extractor 101, including windows 901, can be enhanced by using legs 903.
[0118] [00118] Figure 9B illustrates extractor 101 with windows 901 of Figure 9A, with a smoke article 201 received in it. In Figure 9B, the outer paper wrapper 207 of the smoke article 201 is not shown, so that the aerosol forming substrate 203 and the filter plug 205 of the smoke article 201 are visible. As shown in Figure 9B, the windows 901 in the extractor 101 are provided by at least a part of the circumference 209 of the aerosol forming substrate 203.
[0119] [00119] The use of windows 901 reduces the surface contact between the extractor 101 and the smoke article 201. The windows 901 also reduce the thermal mass of the extractor 101. Reducing the surface contact and the thermal mass reduces the thermal losses of the substrate aerosol former 203 and improves the heating efficiency of the aerosol former substrate 203. This allows for higher levels of degree of release in the aerosol generated from the aerosol former 203. The reduction of surface contact and thermal mass provides a similar thermal profile within the aerosol-forming substrate 203, as that exemplary for the compressed aerosol-forming substrate shown in Figure 8B.
[0120] [00120] The size of the 901 windows can be varied. As long as the extractor 101 maintains its structural integrity during operation, any combination of windows 901 and legs 903 can be used with extractor 101. As will be apparent to those skilled in the art, increasing windows 901 will reduce surface contact. and the thermal mass of the extractor 101, thereby improving the homogeneity of the thermal profile of the aerosol-forming substrate 203 and providing higher levels of aerosol release. At a minimum, the lengths of windows 901 are not less than the length of the aerosol-forming substrate 203, measured along a central axis of the smoke article 201.
[0121] [00121] The exemplary embodiments described above illustrate, but do not limit, the invention. In view of the exemplary embodiments discussed, other embodiments consistent with the exemplary embodiments discussed above will then be evident to those skilled in the art.
[0122] [00122] Figures 10 to 12 illustrate another specific embodiment of an aerosol generating device 1000 having an extractor 1001, for positioning or extracting a smoke article 1111, which is received within the device 1000.
[0123] [00123] As can be seen from Figure 10, device 1000 has an elongated shape. The device has two parts of the outer housing 1001, 1002, which are slidably separable on a joining line 1003. A first part of the housing 1002 is attached relative to the internal components of the device, such as a battery (not shown) and a heater 1005 The heater 1005 is preferably an electrically heated tip, pin or blade. A second part of housing 1001 forms the extractor.
[0124] [00124] Extractor 1001 comprises a sliding receptacle 1013, for receiving a smoke article 1111. Sliding receptacle 1013 defines a substantially elongated tubular cavity, opening at a first end 1012 of device 1000 and sized to receive a smoking article stick-shaped 1111, which comprises an aerosol-forming substrate 1130. It is preferred that the aerosol-forming substrate is formed of a homogenized smoke material. A distal end of the sliding receptacle, at an end opposite to its opening, is defined by an end wall 1014. The end wall is capable of coupling with the smoke article 1111. An opening 1015, defined by the end wall 1014, is positioned and sized to allow heater 1005 to penetrate the cavity of sliding receptacle 1013.
[0125] [00125] Extractor 1001 mates with an internal part 1025 of device 1000, so that it can be coupled to device 1000, in a first position and in a second position, and in intermediate positions between the first position and the second position.
[0126] [00126] Figures 10 and 11 illustrate the extractor 1001 in its first position relative to the device 1000. In that first position, the extractor 1001 contacts the first part of the housing 1002. The heater 1005 penetrates into the cavity of the sliding receptacle 1013. When the extractor 1001 is in its first position, a smoke article 1111 can be inserted into the cavity of the sliding receptacle 1013 and positioned so that the heater 1005 penetrates the aerosol-forming substrate of the smoke article. The device 1000 can then be operated to heat the aerosol-forming substrate, thereby generating an aerosol, which can be inhaled by a user puffing on a nozzle filter 1131 of the smoke article 1111.
[0127] [00127] After the smoke article has been used, the user will want to remove heater 1111 from device 1000. If a user pulls on the end of the smoke article closest to the 1131 nozzle filter, parts of the aerosol-forming substrate may remain displaced from the smoking article and retained within the device. To remove the smoke article, therefore, a user moves the extractor from its first position to its second position, as shown in Figure 12. The end wall 1014 of the sliding receptacle engages with the smoke article and helps to move the smoke article. aerosol-forming substrate 1030 away from heater 1005. In the second position, the extractor moved the smoke article entirely out of contact with heater 1005. Smoke article 1111 can then be removed from the sliding receptacle, and the extractor can be removed. moved back to its first position.
[0128] [00128] Any suitable means can be used to couple the extractor 1001 with the internal part 1025 of the device 1000, so that it is sliding between the first position and the second position. A preferred means may involve the use of fasteners, as described below with reference to Figures 13A and 13B.
[0129] [00129] An internal surface 1200 of the extractor 1001 mates with an external end of the internal part 1025 of the device 1000. The extractor 1001 is held in the device 1000 by means of fasteners 1400 (see the regions outlined by circles in Figure 13). The fasteners 1400 comprise a combination of protrusions 1410 located on an internal surface of the extractor, with protruding protrusions 1310 or 1320, located on an external surface of the internal part 1025 of the device 1000. The internal surface 1200 of the extractor has four pairs of longitudinally spaced protuberances 1410, which are spaced circumferentially within the inner surface 1200. These pairs of protrusions 1410 are coupled with protruding protrusions 1310, 1320. When extractor 1001 contacts the first part of housing 1002, pairs of protrusions 1410 are coupled with a first set protruding protrusions 1310. Extractor 1001 is thus retained in its first position.
[0130] [00130] By applying a force in a longitudinal direction, the fasteners 1400 are decoupled when the protrusions 1410 on the extractor 1001 disengage from the first set of protruding protrusions 1310, and the extractor can slide freely on a longitudinal axis. To retain the extractor in its second position, spaced longitudinally from the first position, the protrusions 1410 can be coupled with the secondary protrusions 1320, and the fasteners 1400 are re-coupled with the combination of protrusions 1410 and 1320. The secondary protrusions 1230 they are spaced longitudinally from the primary protruded protrusions 1310. The protruded protrusions 1310, 1320 can be protruded by semi-elliptical springs.
[0131] [00131] Extractor 1001 can be removed entirely from device 1000.

权利要求:
Claims (13)
[0001]
Aerosol generating device (1), capable of receiving an aerosol forming substrate (203), the device (1) comprising: a heater (115) for heating the aerosol-forming substrate (203) and configured to penetrate an internal part (211) of the aerosol-forming substrate (203); and an extractor (101) for extracting the aerosol forming substrate received in the aerosol generating device, wherein the extractor (101) is mobilely coupled to the aerosol generating device, between a first position and a second position, the first position being an operational position, defined by the heater (115) being in contact with the aerosol forming substrate (203), and the second position being an extraction position, defined by the aerosol forming substrate (203) being separated from the heater (115), characterized by the fact that the extractor remains coupled to the aerosol generating device in both the first and second positions.
[0002]
Device (1) according to claim 1, characterized in that the extractor (101) comprises a sliding receptacle (105) for receiving the aerosol generating article, an opening being defined by a sliding receptacle wall, to allow the heater (115) penetrates the aerosol forming substrate received inside the sliding receptacle, when the extractor is in the first position.
[0003]
Device (1) according to claim 2, characterized in that it comprises a sleeve (103) for receiving the sliding receptacle (105), so that the sliding receptacle (105) is arranged to slide in the glove (103), between the first and second positions.
[0004]
Device (1) according to claim 3, characterized in that the sliding receptacle (105) includes a flange (107), arranged to come into contact with the sleeve (103).
[0005]
Device (1) according to any one of claims 2 to 4, characterized in that it further comprises a plug (401), to prevent the sliding receptacle (105) from sliding out of the device (1).
[0006]
Device (1) according to any one of claims 2 to 5, characterized in that it further comprises a guide pin (110) for orienting the sliding receptacle (105), as the sliding receptacle (105) is moved between the first and second positions.
[0007]
Device (1) according to any one of claims 2 to 6, characterized in that the aerosol-forming substrate (203) is provided in a smoke article (201), and the sliding receptacle (105) is in the first position when the smoking article (201) is received in the extractor (101).
[0008]
Device (1) according to any one of claims 2 to 7, characterized in that it further comprises a support (105b) for supporting the aerosol forming substrate (203) comprises a face of the sliding receptacle (105), the face including at least at least one opening (109), to provide air flow.
[0009]
Device (1) according to any one of claims 2 to 8, characterized in that the sliding receptacle (105) comprises a clamping means (111) for clamping the aerosol-forming substrate (203) when the forming substrate aerosol spray (203) is received in the slide receptacle (105), and the slide receptacle (115) is in the first position.
[0010]
Device (1) according to any one of claims 2 to 9, characterized in that the sliding receptacle (105) comprises a face, with which the aerosol-forming substrate (203) comes into contact, when the substrate-forming substrate aerosol (203) is positioned correctly in order to be heated by the heater (115).
[0011]
Process for extracting a smoke article (201), including an aerosol-forming substrate (203) from a heated aerosol generating device, the heated aerosol generating device, as defined in any one of claims 1 to 10, comprising a heater (115), to heat the aerosol forming substrate (203), to form an aerosol, and an extractor (101), the extractor being coupled to the aerosol generating device and comprising a sliding receptacle (105), to receive the article of tobacco (201), the process characterized by the fact of understanding: sliding the sliding receptacle (105), with a smoke article (203) received in the sliding receptacle (105), from a first position, in which the aerosol-forming substrate (203) of the smoking article (201) is positioned so to be heated by the heater (115), and a second position, in which the aerosol-forming substrate (203) of the smoke article (201) is substantially separated from the heater (115), the aerosol-forming substrate (203) of the article smoke (201) being supported, during sliding, by a support (105B) in the sliding receptacle, the extractor remaining attached to the aerosol generating device in both the first and second positions; and remove the smoking article (201) from the sliding receptacle (105).
[0012]
Process according to claim 11, characterized in that the heated aerosol generating system is an electrically heated aerosol generating system, comprising an electric heater.
[0013]
Process according to claim 11 or 12, characterized in that the tobacco article comprises tobacco.

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同族专利:

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公开号 | 公开日

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WO2013076098A2|2013-05-30|

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EP2782463B1|2016-06-29|

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AU2012342570A1|2014-07-03|

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TW201328616A|2013-07-16|

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MX2019014091A|2020-02-07|

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TWI603683B|2017-11-01|

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IL277293D0|2020-10-29|

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IL232473A|2021-01-31|

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BR112014012065A2|2017-06-13|

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JP6050826B2|2016-12-21|

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EP2782463A2|2014-10-01|

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MX353367B|2018-01-10|

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NZ624969A|2016-07-29|

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BR112014012065A8|2017-06-20|

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RU2014125232A|2015-12-27|

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ZA201403335B|2015-07-29|

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MY168320A|2018-10-30|

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HUE030095T2|2017-04-28|

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KR101667124B1|2016-10-17|

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JP2014533513A|2014-12-15|

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PT2782463T|2016-08-02|

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CN103997922A|2014-08-20|

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PL2782463T3|2016-12-30|

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WO2013076098A3|2014-04-03|

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PH12014501025B1|2014-08-04|

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CA2856321A1|2013-05-30|

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MX2014006038A|2015-05-11|

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PH12014501025A1|2014-08-04|

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KR20140093694A|2014-07-28|

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CA3079706A1|2013-05-30|

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EP2782463B2|2022-03-16|

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DK2782463T3|2016-09-12|

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SG11201402506UA|2014-10-30|

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AU2012342570B2|2016-11-24|

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IL232473D0|2014-06-30|

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US9693587B2|2017-07-04|

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HK1197865A1|2015-02-27|

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ES2589260T3|2016-11-11|

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CN103997922B|2016-12-14|

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RS54959B1|2016-11-30|

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US20150013696A1|2015-01-15|

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CA2856321C|2020-04-28|

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RU2604012C2|2016-12-10|

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法律状态:
2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|

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2020-07-07| B06A| Patent application procedure suspended [chapter 6.1 patent gazette]|

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2020-11-03| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

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2021-01-12| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 20/11/2012, OBSERVADAS AS CONDICOES LEGAIS. |

优先权:

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申请号 | 申请日 | 专利标题

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EP11250907.0|2011-11-21|

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EP11250907|2011-11-21|

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EP12155245|2012-02-13|

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EP12155245.9|2012-02-13|

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PCT/EP2012/073135|WO2013076098A2|2011-11-21|2012-11-20|Extractor for an aerosol-generating device|

---