• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The subject of the invention is a device for feeding an e-cigarette in e-liquid, comprising a zone (12) of vaporization with at least one wick (20) and a resistor (22), a reservoir ( 14) of e-liquid (28), a battery (16) for supplying at least said resistor, characterized in that it comprises at least one micro pump (30) interposed between the reservoir (14) and the wick (20). ). The invention covers the e-cigarette incorporating this device.
    公开号:FR3039040A1
    申请号:FR1556853
    申请日:2015-07-20
    公开日:2017-01-27
    发明作者:Alexandra Fregonese；Richard Fregonese；Alexandre Eveillard
    申请人:INNOVI；
    IPC主号:
    专利说明:

    DEVICE FOR THE CONTROLLED POWER SUPPLY OF A WHEEL IN AN E-CIGARETTE,
    E-CIGARETTE OBTAINED
    The present invention is directed to a device for controlled supply of an e-cigarette in e-liquid. The invention also covers the e-cigarette obtained.
    Cigarettes made of tobacco are known and whose combustion gives off smoke inhaled by smokers.
    The combustion of tobacco gives off a smoke composed of numerous compounds, some of which are harmful to health. Nevertheless, tobacco consumption is declining little or not at all, and smoking palliatives have always been sought after.
    Solutions have been devised to limit consumption with patches applied to the body to diffuse some of the usual compounds of a cigarette, but all the trials have encountered major obstacles, notably that of behavioral rituals, conviviality and sensations from smoking, including welfare and relaxation effects associated with some of the volatile compounds in smoke.
    A palliative to target a decrease in tobacco consumption is proposed in the form of an e-cigarette. An e-cigarette is a nomadic device, included integrally in an elongated casing, being able to recall a cigarette and comprising a reservoir of a composition to be vaporized, a heating zone intended to vaporize at least part of said composition with at least a wick, a resistor and a mouthpiece, an accumulator for supplying this resistance with electrical energy, a control switch for said resistor being provided for vaporizing the composition on demand.
    In a complementary manner, the wick plunges into the reservoir and the resistance of the heating zone surrounds a portion of this wick, external to said reservoir. The rise in temperature of the resistance ensures the vaporization of the composition.
    The composition is perfectly dosed, on demand and includes volatile compounds in the heat of the glycerol type, perfumes but also nicotine to find at least some of the sensations of the cigarette. The first advantage is to be able to dose the compounds on demand and thus to be able to individualize the composition according to the user.
    As it is a vaporization, there is therefore no combustion and production especially tars from tobacco and particularly harmful. The compositions are made from a mixture, so it is possible to perfectly adjust the desired compounds, the ratio etc.
    Thus, the user can find here a palliative particularly interesting to the cigarette and thus reduce or even eliminate tobacco consumption.
    By cons, a first disadvantage of the e-cigarette is the lack of determination of the consumption by the user.
    In the case of cigarettes, one can count the number of cigarettes and depending on how to smoke a cigarette that is generally constant and reproducible in the same smoker, one can determine if the consumption is in regression or increase. Even if the precision remains limited, it is at least a comparative index, simple and psychologically accessible, even in a state of dependence.
    It is also provided a particular use of the e-cigarette namely the distillation of drugs or other active ingredients contained in the e-liquid. This is the object for example of patent application GB-2,466,758. In this case, the determination of the amount of vaporized and thus inhaled composition is essential.
    We can of course measure the amount of liquid consumed using a graduated tank but it is quickly understood that the accuracy is extremely limited and can only be very vaguely indicative.
    Another problem is that of heating the composition stored in the tank. Indeed, during the vaporization, the temperature to vaporize the composition is high, several hundred degrees on the resistance and even if the heated mass, that is to say the mass of the resistance, remains low, it occurs a significant amount of heat. This local rise in temperature can affect the properties of the e-liquid. These products are vaporizable by heat but it was also found that the heat had a degrading effect on these products even though they are not yet vaporized.
    However, the heat emitted by the resistance to each vaporization is transmitted at least partially by the wick itself to the e-liquid since the e-liquid that it contains ensures a thermal conduction between the vaporization zone and the e-liquid in which bathes at least one of its ends in the tank.
    In addition through the wall of the tank itself, the e-liquid is also subjected to the actions of heat, by transmission.
    There is therefore a modification of at least some thermosensitive compounds e-liquid under the effect of the heat induced by the heating zone.
    This effect is reinforced by intensive use of the e-cigarette. By intensive use is meant the generation of sprays with short time intervals, or even continuous use over a period of a few minutes.
    In these cases, the resistor itself does not have time to return to room temperature. The starting point is therefore already a high temperature of the resistor which receives a new amount of current so that the maximum temperature increases and can reach more than 300 ° C by these successive heating pulses. Some users may even keep the switch pressed continuously for a few seconds, so that the temperature also increases sharply and the power consumption is not necessarily a limitation to such use because the batteries have high capacity and, in all case, they are rechargeable or interchangeable.
    It would be good to be able to move the tank away from the vaporization zone of the e-liquid.
    It is also known that the architecture of an e-cigarette provides for isolating the vaporization chamber of the battery so that the e-liquid that would flow from the wick for any reason whatsoever does not degrade said battery . For this purpose, there is provided a seal which allows the supply wires to pass between the battery and the resistor and which is provided with a hole in order to let the air intended to be mixed with the vaporized e-liquid, said hole is necessarily of a very small diameter so as to prohibit the passage of a possible flow of e-liquid. The corollary is the difficulty for the user to suck a "puff" that is to say a "puff" of vaporized e-liquid.
    The difficulty is totally surmountable but the suction is more difficult than on a cigarette. A problem encountered by e-cigarettes is the necessary suction force because it is currently 2.5 times higher than that of cigarettes.
    Indeed, to suck, it is necessary to exercise a strong suction, which instead of making the use of an e-cigarette pleasant causes a fairly fast weariness.
    This can be an obstacle or cause a certain weariness and thus lead the user to a return to the cigarette, which goes against one of the desired goals.
    One solution would be to remove any obstacle having a seal between the vaporization zone comprising the resistance and an air inlet zone, especially if there is a specific air inlet zone.
    The patent application FR-3.011.718 describes an arrangement comprising volumetric metering means of the inhaled gas adapted to alternatively allow the vaporization of the liquid substance when the concentration of the gas vaporized substance is less than a predetermined value and to prohibit said vaporization when the concentration of vaporized liquid substance gas reaches said predetermined value.
    This solution, based on a volumetric measurement remains unsuitable, because it is not possible to accurately measure and measure the quantity of molecules diffused. The object of the present invention is to propose a device that overcomes the drawbacks of the prior art and that makes it possible to produce an e-cigarette that is perfectly adapted to the user, this with an arrangement that is also simplified by limiting the heating of the e-liquid. , by favoring aspiration, by perfectly dosing and by controlling diffusion.
    The controlled supply device of an e-cigarette according to the present invention is now described according to a particular, non-limiting embodiment, with reference to the appended drawings, drawings in which the different figures represent:
    Figure 1: a schematic view of an e-cigarette according to the present invention, and Figure 2: an exploded view of a piezoelectric micro pump. The invention is now described according to FIG.
    The device for controlled supply of a wick in an e-cigarette according to the present invention which comprises, in a known manner, all arranged in a housing 10: at least one zone 12 of vaporization, a reservoir 14, a battery 16 and a mouthpiece oral 18.
    The zone 12 of vaporization comprises a wick 20 surrounded by a resistor 22, of the metal type, of small diameter in order to be able to increase in temperature when said resistor is supplied with suitable electrical energy, from the battery 16. In a known manner , the resistor is connected to the batteries by supply wires. A switch 24 completes the arrangement of the vaporization zone, said switch can be positioned anywhere on the housing 10, the only constraint being its accessibility from the outside by the user.
    This switch makes it possible to control the heating of the resistor by current draw.
    This zone 12 of vaporization is generally traversed by a chimney 26 which connects the vaporization zone and the mouthpiece.
    Upstream of this vaporization zone, always considering the upstream / downstream direction as being that of the air circulation at the user's suction, it is possible to provide an intake zone 26-1, comprising holes or slits. This zone is located immediately upstream of the vaporization zone, therefore in the arrangement shown downstream of the battery 16.
    In the arrangement according to the present invention, there is provided a reservoir 14 in known manner but which is disposed in the distal portion of the housing 10, fully upstream.
    The tank 14 is intended to contain e-liquid 28. The architecture is therefore unprecedented with the mouthpiece, the vaporization zone the battery and the tank, or with an inlet zone downstream of the 'and upstream of the vaporization zone.
    The wick 20 located in the vaporization zone with its resistance is thus remote from the reservoir 14 and the e-liquid 28 that it contains.
    A micro pump 30 is interposed between the zone 12 of vaporization and the reservoir 14.
    This micro pump 30 is advantageously interposed between said reservoir 14 and the battery 16. A first conduit 32 connects said micro pump 30 to the reservoir 14 and a second conduit 34 connects the micro pump 30 to the wick 20.
    Advantageously, the second duct 34 splits in the vicinity of said wick into a sub-duct 34-1 and a sub duct 34-2. Each of these sub-ducts is connected to a corresponding end of this wick 20. Such a connection is advantageously crimping.
    The wick could be fed only by one end the other end being a fixing on the wall of the chimney for example.
    An optional 34-3 gasket can be placed between the vaporization zone and the battery. This seal prevents any inadvertent flow of e-liquid accidentally from the wick. In this case, the risk is very limited since the dosage of e-liquid is controlled and controlled. The risks of overflowing capillary effects, related to temperature, pressure, etc., are severely limited.
    The micro pump 30 is also associated with an electronic card 36 comprising a microprocessor 38 so as to calculate the quantity of e-liquid dispensed, the flow, the daily consumption and to determine any other necessary or additional information by means of the necessary connections such as the load for example, the temperature, the duration of use, the need to change the wick or to warn the user of too aggressive printing etc.
    It is also possible to provide communication means for making the electronic card 36 connected to external viewing and programming devices, so as to drive said micro pump for example a mobile phone, a computer, a tablet or a connected watch. It is then possible to program the e-cigarette easily. Similarly, a screen 39 allows viewing.
    The micro pump 30 is supplied with energy by the battery 16, as the resistor.
    There are many types of pumps that may be suitable, such as membrane, electrostatic, electromagnetic, thermo-pneumatic, phase-change, bimetallic or shape-memory alloy micro-pumps. Nevertheless, a pump that is particularly suitable for the present invention is a diaphragm piezoelectric pump, a representation of which is schematically represented in FIG.
    This micro pump comprises a chamber 40, a wall of which is a diaphragm 42 which is itself set in motion by a piezo 44 which vibrates and moves said diaphragm. Inlet check valves 46-1 and 46-2 close the chamber. These valves are unidirectional and open and close in opposition, so that: when the diaphragm deviates from the wall of the chamber, the outlet valve is closed and the inlet valve coming from the first conduit is open ensuring the filling, when the diaphragm approaches the wall of the chamber, it pushes the e-liquid from the chamber into the second conduit because the inlet valve is closed and the outlet valve is open.
    Such micro piezoelectric pumps are very small, for example 30 mm x 15 mm x 3.8 mm and consume little energy less than 200 mW.
    Such a pump is adjustable in flow rate by frequency control since the diaphragm is actuated with a greater or lesser frequency and therefore the number of fills in the chamber defined by the membrane per unit of time determines the flow rate.
    It can be seen that the dosage of e-liquid is thus perfectly controlled and it is possible to measure the volume of distributed e-liquid but also to program it.
    The reservoir being in the preferred arrangement retained, in the lower part of the housing 10, the e-liquid does not have to undergo the heat peaks of the vaporization zone.
    Finally, it is found that the problems related to suction, generated by the seal, no longer arise since the suction can be achieved by an air intake to the right of the vaporization chamber. It then suffices to seal the passage of the second conduit only to isolate the vaporization zone of the portion of the housing 10 containing the battery, which has no impact on the suction by the user.
    It should be noted that this joint can be removed in favor of a control of the micro pump Indeed, when the pump has finished feeding the wick with a given dose, it is possible to electrically power the micro pump with a reverse polarity in the case of a micro motor for example and in the case of a piezo electric micro pump, it is possible to control the valves to reverse their direction of opening or closing, this requiring the establishment of solenoid valves. In this case, the effect is double because the excess of e-liquid in the wick is made impossible so the eventual unwanted flows are suppressed and the fact of sucking causes the formation of an air bubble between the wick and the e-liquid prohibiting the conduction of the heat of the vaporization chamber by the wick to the e-liquid of the reservoir on the one hand but to the e-liquid contained in the conduit or ducts 34 on the other hand.
    The micro pump may be disposed at any location of the housing 10 without modifying the present invention, other than at the right of the vaporization zone. Thus, the problems raised in the preamble would be solved in the case of a positioning of the reservoir 14 and the micro pump 30 of e-liquid 28 between the battery 16 and the zone 12 of vaporization or the only micro pump between the vaporization zone and the battery and the tank in the lower part upstream of the battery. The condition being to dispose the tank outside the vaporization zone. The invention also covers the e-cigarette which comprises a housing 10, and in the order of downstream upstream a mouthpiece 18, a zone 12 of vaporization, a chimney 26 connecting said vaporization zone and said nozzle buccal, a battery 16, a micro pump 30 and a reservoir 14 of e-liquid 28.
    Alternatively, the invention covers the e-cigarette which comprises a housing 10, and in the order of downstream upstream a mouthpiece 18, a zone 12 of vaporization, a chimney 26 connecting said vaporization zone and said mouthpiece, a micro pump 30 and a reservoir 14 of e-liquid 28 and a battery 16.
    Alternatively, the invention covers the e-cigarette which comprises a housing 10, and in the order of downstream upstream a mouthpiece 18, a zone 12 of vaporization, a chimney 26 connecting said vaporization zone and said mouthpiece, a micro pump 30, a battery 16 and a reservoir 14 of e-liquid 28 and.
    Advantageously, the housing 10 may have a touch screen or menu to directly program the e-cigarette.
    It can be seen that the arrangement of the present invention makes it possible to remove any gasket in the chimney immediately upstream of the vaporization zone. Aspiration by the user is thus favored.
    The e-liquid of the tank is no longer subjected to the recurrent heat of the vaporization zone. The feeding of the wick is dosed and controlled.
    It should be noted that the vaporization zone has been described with a wick and a resistance but the heating means can vary and use induction or any other heating means.
    Similarly, it has been indicated a micro pump with ducts but the micro pump can also be immersed, the ducts then being highly limited or nonexistent. The user can perfectly control and check his consumption of e-liquid. The arrangement is therefore particularly suitable for promoting the use of the e-cigarette either as a palliative to the cigarette or as a fun device and full pleasure.
    权利要求:
    Claims (11)
    [1" id="c-fr-0001]
    1. A device for feeding an e-cigarette in e-liquid, comprising a zone (12) of vaporization with at least one wick (20) and a resistor (22), a reservoir (14) of e-liquid ( 28), a battery (16) for supplying at least said resistor, characterized in that it comprises at least one micro pump (30) interposed between the reservoir (14) and the wick (20) so as to be able to control and / or dose the e-liquid diffused and / or consumed.
    [2" id="c-fr-0002]
    2. Device for feeding an e-cigarette e-liquid according to claim 1, characterized in that the micro pump (30) is connected to the wick by a split duct, the two sub-ducts supply respectively the two ends of the wick (20).
    [3" id="c-fr-0003]
    3. Device for feeding an e-cigarette e-liquid according to claim 1 or 2, characterized in that the micro pump (30) is a piezoelectric pump.
    [4" id="c-fr-0004]
    4. Device for feeding an e-cigarette e-liquid according to any one of the preceding claims, characterized in that it comprises an electronic card (36) for controlling the micro pump.
    [5" id="c-fr-0005]
    5. Device for feeding an e-cigarette e-liquid according to claim 4, characterized in that the electronic card (36) is programmable.
    [6" id="c-fr-0006]
    6. Device for feeding an e-cigarette e-liquid according to claim 4 or 5, characterized in that the electronic card (36) is connected to external viewing and programming devices.
    [0007]
    7. E-cigarette incorporating the device according to any one of the preceding claims, characterized in that it comprises a housing (10), and in order downstream upstream a mouthpiece (18), a zone (12) of vaporization, a chimney (26) connecting said vaporization zone and said mouthpiece, a battery (16), a micro pump (30) and a reservoir (14) of e-liquid (28).
    [0008]
    8. E-cigarette incorporating the device according to any one of claims 1 to 6, characterized in that it comprises a housing (10), and in the order of downstream upstream, a mouthpiece ( 18), a vaporization zone (12), a chimney (26) connecting said vaporization zone and said mouthpiece, a micro pump (30), a battery (16), and a reservoir (14) of e-liquid ( 28).
    [0009]
    9. E-cigarette incorporating the device according to any one of claims 1 to 6, characterized in that it comprises a housing (10), and in the order of downstream upstream, a mouthpiece ( 18), a vaporization zone (12), a chimney (26) connecting said vaporization zone and said mouthpiece, a micro pump (30), a reservoir (14) of e-liquid (28) and a battery (16). ).
    [0010]
    10. E-cigarette incorporating the device according to claim 7, characterized in that it comprises a switch (24) for controlling the resistance.
    [0011]
    11. E-cigarette incorporating the device according to claim 7 or 8, characterized in that it comprises an electronic card (36) for controlling the micro pump and a screen (39) for displaying information related to said card.
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    法律状态:
    2016-10-24| PLFP| Fee payment|Year of fee payment: 2 |
    2017-01-27| PLSC| Search report ready|Effective date: 20170127 |
    2017-07-27| PLFP| Fee payment|Year of fee payment: 3 |
    2019-07-23| PLFP| Fee payment|Year of fee payment: 5 |
    2020-12-28| PLFP| Fee payment|Year of fee payment: 6 |
    2021-07-26| PLFP| Fee payment|Year of fee payment: 7 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1556853A|FR3039040B1|2015-07-20|2015-07-20|DEVICE FOR THE CONTROLLED SUPPLY OF A DRILL IN AN E-CIGARETTE, E-CIGARETTE OBTAINED|FR1556853A| FR3039040B1|2015-07-20|2015-07-20|DEVICE FOR THE CONTROLLED SUPPLY OF A DRILL IN AN E-CIGARETTE, E-CIGARETTE OBTAINED|
    US14/833,591| US20170020192A1|2015-07-20|2015-08-24|Controlled feeding device of the wick of an e- cigarette, e-cigarette obtained|
    PCT/FR2016/000138| WO2017013316A1|2015-07-20|2016-09-15|Device for the controlled supply of a wick in an e-cigarette and resulting e-cigarette|
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