专利摘要:
INFUSION APPLIANCE FOR EXTRACTION OF A PORTION CAPSULE, OPERATING METHOD FOR AN INFUSION APPLIANCE, PRODUCTION METHOD FOR AN INFUSION APPLIANCE AND USE OF AN INFUSION APPLIANCE. The present invention relates to an infusion apparatus for extracting a portion capsule, having a first infusion chamber element, and a second infusion chamber element, where the first and / or second infusion chamber element can be moved in an axial direction between a loading position, in which the first and second infusion chamber elements are spaced from each other, and an extraction position, in which the first and second infusion chamber elements form a chamber substantially closed infusion, and where the first infusion chamber element has at least one first piercing device for piercing the portion capsule, which piercing device is arranged along a gravity field of the earth below a horizontal plane extending substantially at right angles to the gravity field and centrally through the infusion chamber.
公开号:BR112012030361B1
申请号:R112012030361-9
申请日:2011-01-24
公开日:2020-11-24
发明作者:Daniel Fischer;Christof Seger;Marcel W. Hueppi
申请人:Eugster/ Frismag Ag;
IPC主号:
专利说明:

Prior Art
[0001] The present invention relates to an infusion apparatus for extracting a portion capsule, comprising a first infusion chamber element and a second infusion chamber element, where the first and second infusion chamber elements are movable in an axial direction between a loading position, in which the first and second infusion chamber elements are spaced from each other, and an extraction position, in which the first and second infusion chamber elements form an infusion chamber substantially closed.
[0002] Infusion devices of this type are generally known. For example, EP 2 077 087 A1 describes an infusion apparatus for a portion capsule, which infusion apparatus comprises a second infusion chamber element in the form of a receiving element with a cavity for receiving the portion capsule and a first infusion chamber element in the form of a closure element to close the cavity. The closure element here comprises an injection arrangement for introducing extraction liquid into the portion capsule while the receiving element comprises an extraction arrangement for removing the extraction liquid that interacts with a beverage substance disposed in the capsule portion of the portion capsule and to supply said extraction liquid to a drinking container in order to prepare a beverage. In order to fill the infusion apparatus with the portion capsule, the closure element is transferred into a loading position, in which said closure element is spaced from the receiving element. The portion capsule is subsequently inserted into an intermediate space between the receiving element and the closing element and then the closing element is moved in an axial direction towards the receiving element, as a result of which the portion capsule is inserted. in the cavity in the receiving element. In the extraction position, the receiving element and the closing element form a substantially closed infusion chamber for extracting the portion capsule. The beverage substance comprises, in particular, roasted or instant coffee to be extracted. In addition, it is known to provide such infusion devices with piercing devices that pierce the portion capsule in order to introduce the extraction liquid or to conduct the beverage extract away during or after the closure of the infusion chamber.
[0003] A disadvantage of such infusion devices is that, first, when the portion capsule is uniformly pierced, in the region of the injection arrangement, the flow of extraction liquid passes through the portion capsule along the longer wheel short, that is, substantially parallel to the axial direction and at a comparatively high speed, and therefore only a small interaction between the beverage substance and the extraction liquid is obtained. If the capsule is not completely filled with the beverage substance, there is a risk that the beverage substance will slide downwardly in the capsule due to the force of gravity and the extraction liquid will flow over and beyond the beverage substance towards the outlet opening without meaningful interaction. In addition, there is a potential risk of injury to the user of the infusion set if said user comes into contact through the loading opening with very sharp drilling devices.
[0004] The invention is, therefore, based on the objective of providing an infusion apparatus for extracting a portion capsule, an infusion apparatus which does not have the disadvantages of the prior art and obtains a significantly improved interaction between the beverage substance and the infusion liquid compared to the prior art, thus improving the flavor quality of the extracted drink. In addition, a comparatively safe and error-free insertion of the portion capsule should be possible. Description of the Invention
[0005] This objective is achieved according to the invention by an infusion apparatus for extraction of a portion capsule, comprising a first infusion chamber element and a second infusion chamber element, where the first and / or second elements infusion chamber elements are movable in an axial direction between a loading position, in which the first and second infusion chamber elements are spaced from each other, and an extraction position, in which the first and second infusion chamber elements form a substantially enclosed infusion chamber and where the first infusion chamber element has at least one first piercing device for piercing the portion capsule, said piercing device being disposed along the Earth's gravitational field below a horizontal plane which extends substantially at a right angle to the gravitational field and substantially centrally across the infusion chamber.
[0006] When the portion capsule is pierced by at least the first piercing device disposed below the horizontal plane, in particular a drilling hole, which is disposed below the horizontal plane, is advantageously produced in the portion capsule. Extraction liquid that flows, for example, through said at least one drilling hole into the portion capsule, therefore, does not pass through the portion capsule through the shortest route, that is, in particular strictly parallel to the direction axial, but instead the direction of flow of the extraction liquid inside the portion capsule will change and be vented out. In that case, the extraction liquid flows at inclined angles to the axial direction through the portion capsule, as a result of which the interaction distance and the interaction time between the beverage substance disposed within the portion capsule and the liquid of extraction passing through the portion capsule during the extraction operation are therefore increased, thus improving the flavor quality of the drink to be extracted. In addition, the efficient interaction between the beverage substance and the extraction liquid is guaranteed even if the portion capsule is not completely filled with beverage substance, since the extraction liquid is introduced into the portion capsule below the horizontal plane and, therefore, directly in the region of the beverage substance that slid downward due to the force of gravity. In addition, it is advantageously possible in this way to obtain the taste quality known from the prior art using a reduced amount of beverage substance contained in the serving capsule. An additional advantage of the infusion chamber according to the invention is that, when the portion capsule is inserted between the first and second infusion chamber elements, the adhesion of the portion capsule against the at least one first piercing device can be prevented in a simple way, since at least one first piercing device is spaced as far as possible from the insertion opening for the portion capsule in the case of the infusion apparatus according to the invention. In addition, by means of said distance between at least one first drilling device and the insertion opening, which distance is increased in comparison with the prior art, the risk of injury to a user of the infusion device is considerably reduced.
[0007] According to an additional matter or a preferred development of the present invention, it is provided that the first infusion chamber element has a base surface facing the second infusion chamber element, where the first infusion chamber element it has a plurality of first drilling devices, where the first drilling devices are arranged within a maximum angular range of 230 degrees around the central point. In the case of a portion capsule that is only partially filled with the beverage substance, the portion capsule is advantageously perforated only where the beverage substance is also disposed (which, for example, slid downward due to the effect of the force of gravity) . In this case, the maximum angular range of 230 degrees ensures that efficient extraction is achieved even if the slidable beverage substance projects, for example, upward onto the horizontal plane (in this case, more than half of the serving capsule is filled with drinking substance). The first infusion chamber element preferably comprises at least four first piercing devices in order to obtain the maximum possible yield from the extraction liquid. The first drilling devices are preferably arranged in an asymmetrically distributed manner with respect to a plane extending in the axial direction. The plane here comprises, in particular, the horizontal plane extending at a right angle to the gravity field and centrally across the infusion chamber. The first drilling devices are, in particular, arranged with a substantially constant radius around a central point of the base surface. This portion capsule wall which faces the first infusion chamber element is therefore advantageously, in particular, not perforated centrally, but instead in the region of its edge. Since the portion capsule is particularly stable in the edge region, for example, due to the flange of the portion capsule and / or due to the connection with the altered walls of the portion capsule, the material of the portion capsule, in particular the cover of the portion capsule, it only deforms insignificantly at that point during the drilling operation, thus ensuring a more reliable and simple drilling operation.
[0008] According to a preferred embodiment of the present invention, the first infusion chamber element comprises precisely a single first piercing device. A comparatively simple and reliable insertion of the portion capsule is therefore advantageously guaranteed in the loading position, since the risk that the portion capsule remains stuck to the piercing device in the region of the insertion opening is effectively avoided. In addition, the risk of injury to an infusion device user is considerably reduced compared to the prior art, since there is only a single first piercing device and, in addition, this first piercing device is disposed spaced from the insertion opening . If a user places a finger inside the insertion opening, said finger will generally and advantageously reach the first piercing device only with great difficulty, if it achieves the same in some way. The first drilling device is preferably arranged substantially in a lower edge region of the first infusion chamber element in the gravity field in order to produce a maximum distance between the insertion opening and the first drilling device. Additionally, during the extraction operation, the first drilling device produces a comparatively large whirlpool of the extraction liquid in the portion capsule, and a long interaction distance as possible, thus having a positive influence on the drink's flavor quality. to be extracted. Additionally, the portion capsule is pierced by the first piercing device in the lower region of said capsule, where the beverage substance is always located due to the effect of the force of gravity (even if the portion capsule is only partially filled with beverage substance. ).
[0009] According to a preferred development, it is provided that, in the loading position, the portion capsule is fed in a loading direction between the first and second infusion chamber elements, where the loading direction is oriented substantially one right angle to the horizontal direction. The serving capsule is therefore advantageously inserted into the infusion apparatus under the concomitant action of the force of gravity. A user merely needs to place the portion capsule, thereby substantially simplifying the loading operation.
[00010] It is conceivable that the first infusion chamber element in the loading position is preferably angled with respect to the second infusion chamber element in order to allow the infusion apparatus to be loaded as simply as possible with a portion capsule . In that case, the movement from the loading position to the extraction position comprises, for example, an axial displacement of the first infusion chamber element in the axial direction and also an articulation of the first infusion chamber element parallel to the second infusion chamber element . Particularly preferred, it is provided that, after the infusion chamber has been filled with a portion capsule and in order to start the infusion operation, the first infusion chamber element is moved from the loading position at least in the axial direction in the direction of the second infusion chamber element in order to reach the extraction position. In that case, the first infusion chamber element is preferably hinged at an angle of between 1 and 40 degrees, particularly and preferably between 1 and 20 degrees, and very particularly and preferably between 1 and 10 degrees.
[00011] According to a present additional matter or a preferred development of the present invention, it is provided that the infusion apparatus is designed in such a way that, by moving the first and / or second infusion chamber element from the position loading into the withdrawing position, the portion capsule is substantially sequentially pierced by a plurality of first piercing devices of the first infusion chamber element. A reduction in the force required for piercing the portion capsule by means of the first piercing device can therefore be advantageously obtained, since not all of the first piercing devices penetrate the portion capsule simultaneously.
[00012] According to a present additional matter or a preferred development of the present invention, it is provided that the infusion device is designed in such a way that, by moving the first and / or second elements of the infusion chamber from the position loading into the extraction position, the portion capsule is first pierced by at least one first device and pierced by the first infusion chamber member and only then is pierced by at least a second piercing device by the second infusion chamber member. The portion capsule is therefore advantageously first pierced on the side of the first infusion chamber element and only then on the side of the second infusion chamber element. The effort required to pierce the portion capsule is therefore reduced. It is also conceivable that the first infusion chamber element has a plurality of first piercing devices.
[00013] According to a present additional matter or a preferred development of the present invention, it is provided that in the loading position, the portion capsule is fed in a loading direction between the first and second infusion chamber elements, where the the first infusion chamber element has at least one first piercing device for piercing the portion capsule, and where the cutting plane of the at least one first piercing device is oriented substantially at a right angle with respect to the loading direction. The risk of injury to a user of the infusion set is therefore advantageously and considerably reduced. A user who, for example, reaches with his finger in the direction of loading within the region between the first and second infusion chamber elements moves his finger perpendicularly to the cutting plane, thereby reducing the risk of injury from cut. In particular, the risk of direct finger contact with the cutting edge of at least one first piercing device designed in particular as a cutting blade is reduced, since, during a movement in the loading direction, the finger basically strikes only the blind side of the cutting blade. Within the context of the present invention, the terms "substantially perpendicular" mean in particular that the cutting plane extends perpendicular to the loading direction at least in a transverse direction perpendicular to the axial direction. The angle between the cutting plane and the loading direction preferably comprises an angle of between 50 and 130 degrees, particularly preferably between 70 and 110 degrees and most particularly preferably between 80 and 100 degrees. Alternatively, the first infusion chamber element has a plurality of first piercing devices.
[00014] According to a preferred development, it is provided that the infusion apparatus has a feed opening which is provided to feed the portion capsule in a loading direction between the first and second infusion chamber elements, where, preferably , at least one of the first drilling devices has a cutting plane, which is oriented substantially perpendicular to the loading direction, at the shortest distance from the feed opening. A risk of injury to the user is based in particular on the first piercing device that is closest to the infeed opening for loading the infusion device with a portion capsule compared to the rest of the first piercing device, if more than one first drilling device is provided, and therefore, already simply by a suitable orientation of said at least one first drilling device, the risk of injury is substantially reduced.
[00015] According to a preferred development, it is provided that at least one first piercing device is designed as a piercing tip that projects from the first infusion chamber element substantially towards the second infusion chamber element. The at least one drill tip preferably has a substantially linear cross-section in the axial direction of the design, preferably straight or curved. In particular, the at least one drill bit has a substantially triangular profile perpendicular to the axial direction. This allows comparatively simple drilling with little effort, as the resistance to drilling is comparatively low. Alternatively, the first infusion chamber element has a plurality of first piercing devices which are each designed in the form of a piercing tip.
[00016] According to a preferred development, it is provided that the first infusion chamber element on an end side facing the second infusion chamber element has a piercing element comprising a central surface region that is integrally connected along the circumference of the same with at least one drilling device. The drill element is produced in particular by at least one first drill device being bent with respect to the surface region by deformation. This allows for a particularly stable design and fixation of at least one first drilling device and at the same time economic production. Alternatively, the piercing element has a plurality of first piercing devices which are each designed in the form of an excessively bent piercing tip.
[00017] According to a preferred development, it is provided that the first infusion chamber element, and in particular the piercing element, has, in the surface region, at least one water outlet opening to feed the liquid into the capsule perforated portion by means of at least one first drilling device, where, preferably, the water outlet is substantially disposed adjacent to at least one first drilling device. The extraction liquid is therefore advantageously introduced into the infusion chamber directly in the region of the perforation openings, and therefore the extraction liquid can flow into the portion capsule with virtually no pressure loss. As an alternative, the piercing element has a plurality of water outlet openings which are each disposed adjacent to the first piercing device if the infusion device is intended to have a plurality of first piercing devices.
[00018] According to a preferred development, it is provided that the second infusion chamber element has at least one second drilling device which is arranged asymmetrically with respect to the plane and in particular with respect to the horizontal plane, where the second perforation is preferably arranged below the horizontal plane. Therefore, in particular an opening for conducting the extraction liquid out of the portion capsule is advantageously produced. Advantageously, the said opening is below the horizontal plane, thus assisting the oblique flow mentioned above through the portion capsule, that is, the flow direction of the extraction liquid is inclined with respect to the axial direction within the serving capsule and, therefore, the flavor quality of the extracted drink is improved. The second piercing device comprises, for example, a cutting blade, a hollow needle or a tip provided with channels.
[00019] According to a preferred development, it is provided that the second piercing device comprises a piercing tip that projects from the second infusion chamber element substantially in the direction of the first infusion chamber element and is preferably provided with lateral furrows through a sub-region. The conduction away from the extraction liquid out of the portion capsule is advantageously provided by the side grooves, since the extraction liquid can flow out of the portion capsule between the second piercing devices and the capsule material, in particular, the material of the portion capsule base, within the grooves.
[00020] According to a preferred development, it is provided that the second piercing device is releasably coupled to the second infusion chamber element in particular through a lock and / or screw fixation. Installation and removal of the second device drilling, for example for cleaning and maintenance purposes, is therefore advantageously facilitated.
[00021] According to a preferred development, it is provided that the second infusion chamber element comprises a hollow bell-shaped element for receiving the portion capsule, where a base region of the bell-shaped element comprises at least one depression for conduction away from the extraction liquid of the perforated portion capsule by means of the second piercing device, where the second piercing device is preferably disposed in the depression region, and where the depression preferably results in a drainage channel to remove the extraction liquid from the infusion chamber. The depression preferably comprises a support and / or pillar structure, with the result that the portion capsule is reliably spaced with respect to the second infusion chamber element in the region of the depression. This prevents a reduction in the cross section of the depression through the base of the capsule, and therefore the conduction of the extraction liquid away can be guaranteed at all times.
[00022] According to an additional matter or a preferred development of the present invention, it is provided that the first infusion chamber element has at least one first piercing device for piercing the portion capsule, and that the infusion apparatus has at least a spacing element that is designed in such a way that, when the portion capsule is fed between the first and second infusion chamber elements in the loading position, mechanical contact between the portion capsule and at least one first piercing device is prevented by the spacing element. In the case of infusion apparatus according to the prior art, when a portion capsule is fed between the first and second elements of the infusion bottle during the loading position, there is a risk that the portion capsule will remain attached to at least one first puncturing device and the failure-free feeding of the portion capsule is prevented. In the case of the infusion apparatus according to the invention, the portion capsule is advantageously effectively prevented from adhering in this way to the first piercing device by the spacing element, during the feeding of the portion capsule, the spacing element ensuring that the capsule portion is spaced from the first infusion chamber element and at least one first piercing device. Failure-free feeding of the portion capsules is therefore advantageously guaranteed. Alternatively, the first infusion chamber element has a plurality of first piercing devices and / or a plurality of spacing elements.
[00023] According to a preferred development, it is provided that the first infusion chamber element comprises two first piercing devices in the form of two piercing points, where the spacing element is at least partially arranged between the two piercing points , and where, in the loading position, the spacing element is spaced from the first infusion chamber element at least in the region between the two drilling points, and where the two drilling points are preferably arranged in the gravitational field below the plane horizontal. The risk that the portion capsule remains stuck to the first piercing points is therefore advantageously reduced, since the spacing element is spaced from the first infusion chamber element, particularly in the region of the first piercing points, and therefore , the portion capsule is protected against direct mechanical contact with the first piercing points. In addition, this achieves efficient finger protection, whereby a user who reaches the infusion chamber is protected from contact with the first sharp drilling devices.
[00024] According to a preferred development, it is provided that the spacing element is attached to the first infusion chamber element and is at least partially elastically pre-tensioned in the direction of the second infusion chamber element, and / or that the spacing element is designed in such a way that, in the extraction position, said spacing element supports substantially and completely against the first infusion chamber elements. The spacing element is advantageously spaced from the first infusion chamber element in the loading position while said spacing element rests against the first infusion chamber element in the extraction position so that the extraction operation is not impaired by the element of spacing. This is achieved by the spacing element being elastically pre-tensioned in the direction of the second infusion chamber element and in particular having a flexible design. During the closure of the infusion chamber, the portion capsule is pressed towards the first infusion chamber element so that the spacing element also automatically contacts the first infusion chamber element.
[00025] According to a preferred development, it is provided that the spacing element comprises a metal strip, where the metal strip has a first end which is fixed to the first infusion chamber element and a second free end, in which, in the loading position, the second end extends preferably from the first infusion chamber element obliquely towards the second infusion chamber element, or, in the loading position, preferably leans against a surface of the first chamber element infusion, which faces the second infusion chamber element. In the loading position, the second free end advantageously projects obliquely in the direction of the second infusion chamber element so that the spacing element acts as a laminated spring that keeps the portion capsule at a distance from at least one first drilling device in the loading position. Alternatively, it is conceivable that the metallic strip additionally has a curvature towards the second infusion chamber element, thus increasing the spring action. The second end can project obliquely again towards the second infusion chamber element or, alternatively, it can also rest against the first infusion chamber element in the loading position.
[00026] According to a preferred development, it is provided that the metal strip has a through hole, and / or that the metal strip is oriented substantially parallel to the loading direction. The extraction liquid preferably flows through the through hole towards the portion capsule, where the through hole is preferably aligned with an extraction liquid access opening in the first infusion chamber element. As an alternative to the metal strip, it is conceivable that the spacing element is designed in the same way, but is made from a plastic material.
[00027] An additional matter of the present invention is a method of operating an infusion apparatus, where, in a first stage of the method, a portion capsule is inserted between the first and second infusion chamber elements, and where, in a second subsequent method step, the first and / or second infusion chamber element is moved substantially in the axial direction from the loading position into the extraction position and where, during the second method step, the the portion is first pierced below the horizontal plane by at least a first piercing device of the first infusion chamber element and subsequently the portion capsule is pierced by at least a second piercing device of the second infusion chamber element. The portion capsule is therefore advantageously perforated in a lower region in the gravitational field. Due to the effect of the force of gravity, the beverage substance likewise slides into the lower region. It is therefore ensured that a perforation opening is produced in the region of the beverage substance so that the efficient interaction between the extraction liquid and the beverage substance is obtained during the extraction operation. The first infusion chamber element here alternatively precisely has a single first piercing device or a plurality of first piercing devices.
[00028] According to a further matter or a preferred development of the present invention, it is provided that during the second stage of the method, the portion capsule is pierced sequentially by a plurality of first piercing devices of the first infusion chamber element. The effort required to pierce the portion capsule and to close the infusion chamber is thereby reduced, if a plurality of first piercing means is used.
[00029] According to an additional material or a preferred development of the present invention, it is provided that, in the second method step, the portion capsule is pierced precisely by a first piercing device. Therefore, in the loading position, a comparatively simple and safe insertion of a portion capsule is advantageously guaranteed. In addition, the risk of injury to a user of the infusion set is considerably reduced compared to the prior art. The first piercing device is preferably substantially disposed in a lower edge region of the first infusion chamber element in the gravitational field in order to produce a maximum distance between the insertion opening and the first piercing device.
[00030] According to an additional matter or a development referred to in the present invention, it is provided that, in a third method step, the extraction liquid is introduced into the portion capsule just below the horizontal plane and / or within the angular range maximum of 230 degrees. This advantageously guarantees that, during the extraction operation, the extraction liquid is introduced into the portion capsule only where the beverage substance is also located (which, for example, slid downwards due to the effect of the force of gravity). Accordingly, it would be conceivable that the portion capsule would also be drilled above the horizontal plane or outside the 230 degree angular range, but for the extraction liquid to be introduced just below the horizontal plane and / or only within the angular range of at most 230 degrees.
[00031] According to a preferred development, it is provided that a capsule cover of the portion capsule is pierced by at least one first piercing device, and that a capsule base of the portion capsule is pierced by the second piercing device.
[00032] According to a further matter or a preferred development of the present invention, it is provided that in the first method step, the portion capsule, while being fed between the first and second infusion chamber elements, is at least partially oriented by a spacing element, which is attached to the first infusion chamber element, such that the mechanical contact between the portion capsule and the at least one first piercing device is prevented by the spacing element. Advantageously, the portion capsule is kept at a distance from the first infusion chamber element and, therefore, in particular also from at least one first piercing device by the spacing element by inserting between the first and second elements of infusion chamber. The insertion operation is therefore less susceptible to errors, since the portion capsule is effectively prevented from remaining adhered against at least one first piercing device. Alternatively, the first infusion chamber element has a plurality of first piercing devices and / or a plurality of spacing elements.
[00033] According to a preferred development, it is provided that, during the first method step, the spacer element projects at least partially from the first infusion chamber element towards the second infusion chamber element, where, in the second method step, the spacing element is brought into contact with the first infusion chamber element. During the transfer of the first infusion chamber element from the loading position into the extraction position, the spacing element is advantageously automatically pressed towards the first infusion chamber element so that the extraction operation is not impaired by the element of spacing. In particular, the spacing element, therefore, does not project into the infusion chamber in the withdrawing position. In this case, the spacing element is, in particular, folded by a format at least partially curved into a rectilinear shape.
[00034] An additional matter of the present invention is a method of producing an infusion apparatus, in which, in a first production stage, a piercing element is pierced with a central surface region and a plurality of first piercing devices , where, in a second production stage, the first drilling elements are bent with respect to the surface region by deformation in such a way that the first drilling devices project at a right angle from the surface region and where, in a third production step, the piercing element is connected to the first infusion chamber element. This allows for a particularly stable design of the first drilling device and the secure attachment of the first drilling device to the first infusion chamber element. Additionally, production is particularly economical. The piercing element is preferably screwed onto the first infusion chamber element. The perforating element comprises a laminated metal material. Preferably, in the first production step, the drilling element is provided in the surface region with a plurality of water outlet openings, where each water outlet opening is particularly and preferably disposed adjacent to a first drilling element. In a fourth production step, at least a second drilling device is connected to the second infusion chamber element, where the use is made in particular of a locking and / or screw connection.
[00035] The use of an infusion apparatus according to the invention for the preparation of hot drinks, in particular coffee, milk, tea and other chocolate drinks.
[00036] The invention is explained in greater detail below with reference to the illustrative modalities that are illustrated in the drawings. The drawings merely illustrate the illustrative modalities of the invention that do not restrict the essential concepts of the invention.
[00037] Figures 1a to 1k illustrate schematic sectional views of an infusion apparatus according to a first embodiment of the present invention; Figures 2a to 2c illustrate schematic views of a first infusion chamber element of an infusion apparatus according to a second embodiment of the present invention; Figure 3 shows a schematic cross-sectional view of a first infusion chamber element of an infusion apparatus according to a third embodiment; Figures 4a to 4d show schematic views of a first infusion chamber element of an infusion apparatus according to a fourth embodiment of the present invention; Figures 5a to 5c show schematic views of a first infusion chamber element of an infusion apparatus according to a fifth embodiment of the present invention; Figure 6 shows a schematic view of a first infusion chamber element of an infusion apparatus according to a sixth embodiment of the present invention; Figure 7 illustrates a schematic view of a first infusion chamber element of an infusion apparatus according to a seventh embodiment of the present invention; Figure 8 illustrates a schematic view of a first infusion chamber element of an infusion apparatus according to an eighth embodiment of the present invention.
[00038] In several figures, identical parts are always provided with the same numerical references and are, therefore, generally also referred to or mentioned only once in each case.
[00039] Figures 1a to 1k illustrate schematic sectional views of an infusion apparatus 1 for extracting a portion 2 capsule according to a first embodiment of the present invention. The infusion apparatus 1 here comprises a second infusion chamber element 4 that is designed as a receiving element or a partially hollow bell-shaped element 14, and a first infusion chamber element 3 that is designed as a receiving element closure 21 or piston. The first infusion chamber element 3 is movable with respect to the second infusion chamber element 4 in the axial direction 6 between a loading position 17 shown in figures 1a and 1k and an extraction position 11 shown in figure 1f.
[00040] The portion 2 capsule comprises a truncated cone 30 which is made from plastic and has the design of a cup. The truncated cone 30 is closed impermeable to air by means of a capsule cover 28 made from a plastic film and / or aluminum foil. A beverage substance, in particular roasted coffee powder that can be extracted by means of an extraction liquid, is located inside portion capsule 2. The portion capsule 2 optionally has a filter element (not shown) that is disposed ( possibly spaced from the capsule base 29) between the capsule base 29 and the beverage substance. The capsule cover 28 is adhesive-bonded or welded to the truncated cone 30 in the region of a capsule flange 27.
[00041] The first infusion chamber element 3 has a piercing element 22 on one side facing the second infusion chamber element 4, said piercing element comprising a substantially round base surface 9, in the peripheral region from which first four drilling devices 5 are formed in the circumferential direction. In that case, the first drilling devices 5 are arranged with a virtually constant radius around a central point 201 (see figure 8) on the base surface 9 of the first infusion chamber element 3, which base surface faces the second infusion chamber element 4. The first piercing devices 5 each comprise a piercing tip 5 'projecting from the base surface 9 towards the second infusion chamber element 4. Additionally, four water outlet openings 24 (which cannot be seen for reasons of perspective in figures 1a to 1k) are formed on the base surface 9, where precisely a water outlet opening 24 is always arranged in the vicinity of a drilling tip 5 '. The first drilling devices 5 are all arranged in the Earth 39 gravity field below a plane 7 projected as a horizontal plane 7 '. The horizontal plane 71 extends substantially centrally through the T infusion chamber and substantially at an angle with respect to the gravity field 39.
[00042] In an alternative embodiment that is not illustrated in detail, the infusion device 1 has only precisely a first drilling device 5 which is arranged in the gravitation field 39 below the horizontal plane 7 '. The first drilling device 5 here is preferably substantially arranged in a lower edge region of the first infusion chamber element 3 in the field of gravity 39 in order to produce a maximum distance between the feed opening 20 and the first drilling device 5.
[00043] The first infusion chamber element 3 has a water supply channel 31 that opens into a notch 32 formed between the first infusion chamber element 3 and the piercing element 2 so that the extraction liquid fed by the water supply channel 31 can be distributed through the notch 32 to the four water outlet openings 24. The drilling element 22 is fixed to the first infusion chamber element 3 by means of a screw 33. The second element infusion chamber 4 has a second piercing device 8 comprising a piercing tip 8 'which points in the direction of the first infusion chamber element 3, and is disposed within the cavity and is releasably connected to the second chamber element infusion 4 by means of a locking fixation. The drilling tip 8 'is provided with lateral grooves that extend parallel to the axial direction 6. In the region of the drilling tip 8', the second infusion chamber element 4 has a depression 16 in the base region 15 of the cavity, depression within which a drainage channel 13 follows.
[00044] Figure 1 illustrates the first infusion chamber element 3 in the loading position 17, that is, the first infusion chamber element 3 is spaced from the second infusion chamber element 4 in the axial direction 6. In the starting position , the portion capsule 2 is then inserted in a loading direction 18 by a user (not shown). For this purpose, an infusion device housing 1, which housing is designed as part of the second infusion chamber element 4, has a feed opening 20 through which the portion capsule 2 is inserted.
[00045] It is illustrated in figure 1b that the portion capsule 2 falls laterally under the effect of gravity within the region between the first and second infusion chamber elements 3, 4 and is held there by means of a holding device 25 (not specifically described) located on the capsule flange 27 of the portion capsule 2 in the first infusion chamber element 3.
[00046] In the next step, illustrated with reference to figure 1c, the first infusion chamber element 3 is driven by a pivot lever joint 26 to move towards the second infusion chamber element 4.
[00047] It is illustrated with reference to figure 1d that, just before the capsule base 29 touches the piercing tip 8 ', the first infusion chamber element 3 is placed in such a way that the base surface 9 be oriented virtually exactly perpendicular to the axial direction 6. The 5 'drill bits subsequently touch the capsule cover 28.
[00048] In the next step, illustrated in figure 1e, the capsule cover 28 is pierced by the first piercing device 5, which is designed as a piercing tip 5 ', by the continuous movement of the first infusion chamber element 3 towards the second infusion chamber element 4. The capsule cover 28 is punctured only by the first puncture devices 5 below the horizontal plane T. At that time, the base of the capsule 29 has not yet been punctured.
[00049] In the alternative embodiment mentioned above, the capsule cover 28 is pierced only precisely by a first piercing device 5 in a lower region in the gravitation field 39.
[00050] In figure 1f, the first infusion chamber element 3 is moved to the second infusion chamber element 4 in the axial direction 6 into the extraction position 11 so that the portion capsule 2 is virtually and completely inserted in the hollow bell-shaped element 14 and the capsule base 29 is then pierced by the second drilling device 8, which is designed as a drilling rod 8 '. The first and second infusion chamber elements 3, 4 therefore form a hermetically sealed infusion chamber 1 ', in which the portion capsule 2 is arranged. In that case, the flange of the capsule 27 is fixedly fixed between the first and second infusion chamber elements 3, 4, in particular by means of an elastic sealing ring 34.
[00051] In this position, the extraction operation is initiated, that is, the extraction liquid in the form of pressurized and heated water is fed to the infusion chamber T. The extraction liquid is transported through the water supply channel 31 and the notch 32 for the water outlet openings 24 and passes from there through the drilling openings, which are produced by means of the first drilling device 5, in the capsule cover 28 into the portion capsule 2. The extraction liquid it flows through the beverage substance, thus forming a beverage extract that leaves the portion capsule 2 again through the drilling hole produced at the base of the capsule 29 through the drilling rod 8 'and passes through the depression 16 inwardly from the drainage channel 13. Through the drainage channel 13, the beverage extract is preferably fed directly into a beverage container (not shown), such as a cup of coffee. In each case, the extraction liquid passes through the portion 2 capsule in the region of the beverage substance disposed in the portion 2 capsule, even if said beverage substance slides downwardly into the portion 2 capsule due to the effect of the force of gravity.
[00052] After the extraction operation, the first infusion chamber element 3 is moved back again from the extraction position 11 to the loading position 17 parallel to the axial direction 6. This is illustrated with reference to figures 1g to 1j. In the process, the used portion capsule 2 is retracted by the first infusion chamber element 3 until the flange of the capsule 27 contacts an ejector 35 (not specifically described), as a result of which the portion capsule 2 is disengaged from the holding device 25 and automatically falls under the effect of gravity outside the region between the first and second infusion chamber elements 3, 4, for example, into a collection container (not shown).
[00053] Subsequently, the first infusion chamber element 3 is again located, as shown in figure 1 k, in the loading position 17, and therefore a refilling of the infusion apparatus 1 with an unused portion capsule 2 is possible according to figure 1a.
[00054] Figures 2a to 2c illustrate schematic views of a first infusion chamber element 3 of an infusion apparatus 1 according to a second embodiment of the present invention, where the infusion apparatus 1 according to the second embodiment is substantially equivalent to the infusion set 1, which is illustrated in figures 1 to 1 k, according to the first embodiment. The first drilling device 5 is designed as a drilling point 5 'which, in the projection in the axial direction 6, has virtually a linear cross section 36 which is bent along the circumference of the base surface 9. In a plane parallel to the axial direction 6, the drill tips 5 'each have a triangular profile that in each case runs parallel to the cutting plane 19, since the cutting edges of the drill tips 5' are each formed by extensions 38 of the triangles. The drill tips 5 'are each arranged in a plane perpendicular to the axial direction 6 with a virtually constant radius (the end surface 9 is slightly oval instead of round) around a central point 201 on the base surface 9. Center of the scope of a drilling process, the drilling element 22 with a base surface 9 and drilling tips 5 'is drilled from rolled metal and the drilling tips 5' are subsequently bent with respect to the drilling surface. base 9 by deformation in such a way that the piercing tips 5 'project perpendicularly from the peripheral region of the base surface 9. The piercing tips 5' are distributed along the peripheral region in such a way as to be distributed asymmetrically with respect to a plane 7 extending in the axial direction 6, that is, the first drilling device 5 is arranged exclusively below plane 7. In this case, plane 7 comprises in particular a horizontal plane 7 'which is formed substantially and virtually perpendicularly to the gravity field 39 and / or the loading direction 18. Figure 2c illustrates the flow of extraction liquid towards the infusion chamber 1' with reference to the arrows 42 .
[00055] Figure 3 shows a schematic sectional view of a first infusion chamber element 3 of the infusion apparatus 1 according to a third embodiment, where the infusion apparatus 1 according to the third embodiment is substantially equivalent to infusion apparatus 1, which is illustrated in figures 2a to 2c, according to the second embodiment, in which, in contrast to the second embodiment, the first drilling devices 5, 5 'have, in the shortest distance from the opening feed 20, a cutting plane 19 which is substantially oriented perpendicular to the loading direction 18 and / or the gravity field 39. A user's finger 40 reaching from above through the feed opening 20 inside the apparatus of infusion 1, therefore, merely comes into contact with the blind side surface 41 of said first piercing device 5, thereby considerably reducing the risk of injury. It is alternatively conceivable that said first drilling devices 5, 5 'are also arranged at the shortest distance from the feed opening 20 below the horizontal plane 7'.
[00056] Figures 4a to 4d illustrate schematic views of a first infusion chamber element 3 of an infusion apparatus 1 according to a fourth embodiment of the present invention, where infusion apparatus 1 according to the fourth embodiment is substantially equivalent to the infusion apparatus 1, which is illustrated in figures 2a to 2c, according to the second embodiment, in which, in contrast to the second embodiment, the infusion apparatus 1 has merely two first piercing devices 5 which are both arranged below the horizontal plane T in the field of gravity 39. A spacing member 50 is disposed between the drill bits 5 '. The spacing element 50 comprises a metal strip 51 that extends substantially parallel to the loading direction 18 and is fixed by a first end 52 to the first infusion chamber element 3. For this purpose, as can be seen in figure 4c, the first end 52 is angled towards the first infusion chamber element 3 and fixedly fixed in a recess 55 of the first infusion chamber element 3. The second end 53 of the metal strip 51 is a free end not attached to the first element infusion chamber 3. The metal strip 51 has a curvature between the first and second ends 52, 53 towards the second infusion chamber element 4. Said curvature serves to space a portion capsule 2, which is inserted between the first and second infusion chamber elements 3, 4 in the loading position 17, of the first infusion chamber element 3 so that the portion capsule 2 does not remain adhered to the d drilling points 5 'during the insertion operation. During the closure of the infusion chamber, the metal strip 51 is pressed by the portion capsule 2 against the first infusion chamber element 3 so that said metal strip contacts the first infusion chamber element 3 (not shown) in the figures) in the extraction position 11 and do not impair the extraction operation. In that case, the second free end 53 moves along the field of gravity 39. Additionally, the spacing element 50 has a through hole 54 which is substantially aligned with the water supply channel 31 of the first infusion chamber element 3 and allows the extraction liquid to be fed into the portion capsule 2.
[00057] Figures 5a to 5c illustrate schematic views of a first infusion chamber element 3 of an infusion apparatus 1 according to a fifth embodiment of the present invention, where the infusion apparatus 1 according to the fifth embodiment is substantially equivalent to the infusion set 1, which is illustrated in figures 4a to 4d, according to the fourth embodiment, where, in contrast to the fourth embodiment, the infusion set 1 has a spacing element 50 that does not have a curvature, but, instead, where the second free end 53 projects obliquely from the first infusion chamber element 3 towards the second infusion chamber element 4 in the loading position 17. During the transfer of the first infusion chamber element infusion 3 from loading position 17 into extraction position 11, the second end 53 is pivoted towards the first infusion chamber element 3 so that the element spacing 50 between substantially along its entire length in contact with the first infusion chamber element 3 (not shown in the figures).
[00058] Figure 6 illustrates a schematic view of a first infusion chamber element 3 of an infusion apparatus 1 according to a sixth embodiment of the present invention, where the infusion apparatus 1 according to the sixth embodiment is substantially equivalent infusion apparatus 1, which is illustrated in figures 1 to 1 k, according to the first modality and is used in the infusion apparatus 1 shown in figures 1 to 1 k, where, in contrast to the first modality, the the first infusion chamber element 3 according to the sixth embodiment has five first piercing devices 5 which are arranged below the horizontal plane 7 '.
[00059] Figure 7 illustrates a schematic view of a first infusion chamber element 3 of an infusion apparatus 1 according to a seventh embodiment of the present invention, where infusion apparatus 1 according to the seventh embodiment is substantially equivalent. to the infusion apparatus 1, which is illustrated in figures 1a to 1 k, and according to the first modality and is used in the infusion apparatus 1 illustrated in figures 1a to 1 k, where, in contrast to the first modality, the first infusion chamber member 3 has only a single first piercing device 5. In that case, said single first piercing device 5 is substantially disposed in a lower edge region of the first infusion chamber element 3 along the field of gravity 39 in order to produce a maximum distance between the feed opening 20 and the first drilling device 3 and thereby reduce the risk of injury to a user of the infusion set 1.
[00060] Figure 8 illustrates a schematic view of a first infusion chamber element 3 of an infusion apparatus 1 according to an eighth embodiment of the present invention, where infusion apparatus 1 according to the eighth embodiment is substantially equivalent. infusion apparatus 1, which is illustrated in figures 1 to 1 k, according to the first modality and is used in the infusion apparatus 1 illustrated in figures 1 to 1 k, where, in contrast to the first modality, the first infusion chamber element 3 has a plurality of first piercing devices 5 in the form of piercing tips 5 '(a total of seven first piercing devices 5) which are arranged around a central point 201 on the end surface 9 of the first infusion chamber element 3, the end surface of which faces the second infusion chamber element 4. In this case, the first piercing device 5 is not only disposed below the horizontal plane 7, but, instead, it is arranged with a substantially constant radius in an angular range 202 of approximately 230 degrees around the central point 201.
[00061] Possible modalities of the infusion apparatus according to the invention are described below.
[00062] Mode 1 refers to an infusion apparatus 1 for extracting a portion 2 capsule, comprising a first infusion chamber element 3 and a second infusion chamber element 4, where the first and / or second element infusion chamber 3, 4 is movable in an axial direction between a loading position 17, in which the first and second infusion chamber elements 3, 4 are spaced from each other and an extraction position 11, in which the first and second infusion chamber elements 3, 4 form a substantially closed infusion chamber 1 ', characterized in that the first infusion chamber element 3 has at least one first piercing device 5 for piercing the portion capsule 2, device of drilling which is arranged along the Earth's gravitational field 39 below a horizontal plane T extending substantially at a right angle to the gravitational field 39 and substantially centrally through the infusion chamber 1 ’.
[00063] Mode 2 refers to an infusion device 1 according to mode 1, characterized by the fact that the first infusion chamber element 3 has a base surface 9 facing the second infusion chamber element 4, where the first infusion chamber element 3 has a plurality of first piercing devices 5 which are arranged below the horizontal plane T with a substantially constant radius around a central point 201 of the base surface 9.
[00064] Mode 3 refers to an infusion device 1 according to the preamble to mode 1 or according to mode 2, characterized in that the first infusion chamber element 3 has a plurality of first drilling devices 5 for piercing the portion capsule 2, where the first piercing device 5 is preferably arranged within an angular range 202 of a maximum of 230 degrees around the central point 201.
[00065] Mode 4 refers to an infusion device 1, according to one of the previous modalities, characterized by the fact that the first infusion chamber element 3 comprises at least four first piercing devices 5.
[00066] Mode 5 refers to an infusion apparatus according to mode 1, characterized in that the first infusion chamber element 3 has precisely a single first piercing device 5 for piercing the portion capsule 2.
[00067] Mode 6 refers to an infusion device 1 according to one of the previous modalities, characterized by the fact that, in loading position 17, the portion capsule 2 is fed in a loading direction 18 between the first and according to elements of the infusion chamber 3, 4, where the loading direction 18 is oriented at a right angle to the horizontal plane T.
[00068] Mode 7 refers to an infusion device according to one of the previous modalities or according to the preamble to mode 1, characterized by the fact that the infusion device 1 is designed in such a way that, by moving the first and / or second infusion chamber element 3, 4 from the loading position 17 to the withdrawing position 11, the portion capsule 2 will be substantially and sequentially pierced by a plurality of first piercing devices 5 of the first infusion chamber element infusion 3.
[00069] Mode 8 refers to an infusion device 1 according to one of the previous modalities or according to the preamble of mode 1, characterized by the fact that the infusion device 1 is designed in such a way that, by moving the first and / or second infusion chamber element 3, 4 from loading position 17 into extraction position 11, portion capsule 2 is first fully pierced by at least one first piercing device 5 of the first infusion element infusion chamber 3 and only then is it pierced by at least a second piercing device 8 of the second infusion chamber element 4.
[00070] Mode 9 refers to an infusion device 1, according to one of the previous modalities, or according to the preamble of mode 1, characterized by the fact that in the loading position 17, the capsule of portion 2 is fed in a loading direction 18 between the first and second infusion chamber elements 3, 4, where the first infusion chamber element 3 has at least one first piercing device 5 for piercing the portion capsule 2, and where the plane section 19 of the at least one first drilling device 5 is oriented substantially at a right angle to the loading direction 18.
[00071] Mode 10 refers to an infusion device 1, according to one of the previous modalities, characterized by the fact that at least one first drilling device 5 is designed as a drilling point 5a that projects from the first infusion chamber element 3 substantially in the direction of the second infusion chamber element 4.
[00072] Mode 11 refers to an infusion device 1, according to mode 10, characterized in that the at least one drilling tip 5 'has a substantially linear cross section 36, which preferably has a straight or bent in the axial direction 6 and / or because the at least one drilling point 5 'has a substantially triangular profile at a right angle to the axial direction 6.
[00073] Mode 12 refers to an infusion device according to one of the previous modalities, characterized by the fact that the first infusion chamber element 3, on one end side facing the second infusion chamber element 4, have a piercing element 22 which comprises a central surface region 23 which is integrally connected along the circumference thereof for at least one first piercing device 5.
[00074] Mode 13 refers to an infusion device, characterized by the fact that the piercing element 22 is produced by bending at least one first piercing device 5 with respect to the surface region 23 by deformation.
[00075] Mode 14 refers to an infusion device according to one of the previous modalities, characterized in that the first infusion chamber element 3 and in particular the piercing element 22 has a plurality of water outlet openings 24 in the surface region 23 for feeding the extraction liquid into the pierced portion capsule 2 by means of at least one first piercing device 5, where, preferably, a water outlet opening 24 is in each case arranged substantially adjacent at least one first drilling device 5.
[00076] Mode 15 refers to an infusion device 1, according to one of the previous modalities, characterized by the fact that the second infusion chamber element 4 has at least one second piercing device 8 which is arranged asymmetrically with respect to to the plane 7 and in particular with respect to the horizontal plane 7 ', where the second drilling device 8 is preferably disposed below the horizontal plane 7'.
[00077] Mode 16 refers to an infusion device 1, according to mode 15, characterized by the fact that the second drilling device 8 comprises a drilling point 8 'that protrudes from the second chamber element. infusion 4 substantially towards the first infusion chamber element 3 and is preferably provided with lateral grooves over at least one subregion.
[00078] Mode 17 refers to an infusion device 1, according to mode 16, characterized by the fact that the second drilling device 8 is releasably coupled and in particular through a locking fastener and / or screw to the second infusion chamber element 4.
[00079] Mode 18 refers to an infusion apparatus 1 according to one of the previous embodiments, characterized in that the second infusion chamber element 4 comprises a hollow bell-shaped element 14 for receiving the portion 2 chasuble , where a base region 15 of the bell-shaped element 14 comprises at least one depression 16 for driving the extraction liquid away from the perforated portion 2 capsule via the second piercing device 8, where the second piercing device perforation 8 is preferably disposed in the depression region 16, and where the depression 16 preferably leads to a drainage channel 13 for removing the extraction liquid from the infusion chamber T.
[00080] Mode 19 refers to an infusion device 1 according to one of the previous modalities, or according to the preamble to mode 1, characterized by the fact that the first infusion chamber element 3 has at least one first device hole 5 for piercing the portion capsule 2, and the fact that the infusion apparatus 1 has a spacing element 50 that is designed in such a way that when the portion capsule 2 is fed between the first and second chamber elements infusion 3, 4 in the loading position 17, mechanical contact between the portion capsule 2 and the at least one first piercing device 5 is prevented by the spacing member 50.
[00081] Mode 20 refers to an infusion device 1, according to mode 19, characterized by the fact that the first infusion chamber element 3 comprises two first piercing devices 5 in the form of piercing tips 5 ', where the spacing element 50 is at least partially arranged between the two piercing tips 5 'and where, in the forward position 17, the spacing element 50 is spaced from the first infusion chamber element 3 at least in the region between the two tips hole 5 ', and where the two drill points 5' are preferably arranged in the gravitational field 39 below the horizontal plane T.
[00082] Mode 21 refers to an infusion device 1 according to any of modalities 19 and 20, characterized in that the spacing element 50 is attached to the first infusion chamber element 3 and is at least partially elastic pre-tensioned in the direction of the second infusion chamber element 4, and / or because the spacing element 50 is designed in such a way that, in the extraction position 11, said spacing element rests substantially completely against the first infusion chamber element 3.
[00083] Mode 22 refers to an infusion device 1 according to one of modes 19 to 21, characterized in that the spacing element 50 comprises a metal strip 51, where the metal strip 51 has a first end 52 which is attached to the first infusion chamber element 3 and a second free end 53, where, in the loading position 17, the second end 53 projects preferably from the first infusion chamber element 17, the second end 53 projecting preferably from the first infusion chamber element 3 in an oblique direction towards the second infusion chamber element 4, or, in the loading position 17, preferably rests against a surface of the first infusion chamber element 3, which surface faces the second infusion chamber element 4.
[00084] Mode 23 refers to an infusion device 1, according to mode 22, characterized by the fact that the metal strip 51 has a curvature towards the second infusion chamber element 4, and / or by the fact that the metal strip 51 has a through hole 54, and / or because the metal strip 51 is oriented substantially parallel to the loading direction 18.
[00085] Mode 24 refers to a method of operating an infusion device 1, in particular, according to one of the previous modalities, where, in a first method step, a portion 2 capsule is inserted between the first and second infusion chamber elements 3, 4, and where, in a second step of a subsequent method, the first and / or second infusion chamber elements 3, 4 is moved substantially in the axial direction 6 from the loading position 17 into the extraction position 11, characterized by the fact that during the second stage of the method, the portion capsule 2 is first fully pierced below the horizontal plane T by at least one first piercing device 5 of the first infusion chamber element 3 and subsequently the portion capsule 2 is pierced by at least a second piercing device 8 of the second infusion chamber element 4.
[00086] Modality 25 refers to a method according to that of modality 24 or according to the preamble to modality 23, characterized by the fact that, during the second stage of the method, the portion 2 capsule is pierced sequentially by a plurality of first piercing devices 5 of the first infusion chamber element 3.
[00087] Modality 26 refers to a method according to one of modalities 24 and 25, or according to the preamble of modality 24, characterized by the fact that, in the second step of the method, the portion 2 capsule is precisely perforated by a first drilling device 5.
[00088] Modality 27 refers to a method according to one of the modalities 24 to 26, characterized in that a capsule cover 28 of the portion capsule 2 is pierced by at least one first piercing device 5, and by that a capsule base 29 of the portion 2 capsule is pierced by the second piercing device 8.
[00089] Modality 28 refers to a method where the portion capsule 2, while being fed between the first and second infusion chamber elements 3, 4, is at least partially oriented by a spacing element 50, which is fixed to the first infusion chamber element 3, such that mechanical contact between the portion cap 2 and the at least one first piercing device 5 is prevented by the spacing element 50.
[00090] Mode 29 refers to a method according to mode 28, characterized by the fact that, during the first method step, the spacing element 50 projects at least partially from the first infusion chamber element 3 towards the second infusion chamber element 4, where, in the second step of the method, the spacing element 1 is placed in contact with the first infusion chamber element 3.
[00091] Modality 30 refers to a method according to one of modalities 24 to 29 or according to the preamble to modality 24, characterized in that, in the second method step, the portion 2 capsule is perforated within an angular band 202 of a maximum of 230 degrees around the central point 201.
[00092] Modality 31 refers to a method according to one of the modalities 24 to 30 or according to the preamble to modality 24, characterized by the fact that, in a third stage of the method, the extraction liquid is introduced into the portion capsule 2 below the horizontal plane T and / or within an angular range 202 of a maximum of 230 degrees around the central point 201.
[00093] Mode 32 refers to the use of an infusion set 1 according to one of modes 1 to 23, to prepare hot drinks, in particular coffee, milk, tea and / or chocolate-based drinks. Numerical References 1 infusion set 2 'infusion chamber 3 portion capsule 4 first infusion chamber element 5 second infusion chamber element 6 first piercing device 7' piercing tips 8 axial direction 9 flat T plane 10 second piercing devices 11 piercing tip 12 base surface 11 extraction position 13 draining channel 14 hollow bell element, receiving element 15 base region 16 depression 17 loading position 18 loading direction 19 cutting plan 20 feeding opening 21 closing element, piston 22 drilling element 23 surface region 24 water outlet openings 25 water devices retention 26 articulation lever joint 27 capsule flange 28caps cover ula 29 capsule base 30 truncated icon 31 water supply channel 32 screw 33 screw sealing ring 35 ejector 36 linear cross section 38 extension 39 gravity field 40 finger 41 side surface 42 flow direction 50 spacing element 51 metal strip 52 first end 53 second end 54 through hole 55 center line 201 center point 201 center line
权利要求:
Claims (11)
[0001]
1.Infusion device (1) for extracting a portion capsule (2), comprising a first infusion chamber element (3) and a second infusion chamber element (4), the first or second element of infusion chamber (3, 4) is movable in an axial direction (6) between a loading position (17), in which the first and second infusion chamber elements (3, 4) are spaced from each other, and one extraction position (11), in which the first and second infusion chamber elements (3, 4) form a substantially closed infusion chamber (1 '), characterized by the fact that, by moving the first or second infusion chamber (3, 4) from the loading position (17) to the withdrawing position (11), the portion capsule (2) is first pierced by at least one first piercing device (5) of the first chamber element infusion (3) and then is pierced by at least a second piercing device (8) of the second element the infusion chamber (4), the first infusion chamber element (3) has a piercing element comprising a base surface (9) and the at least one first piercing device (5) formed in a peripheral region of the base surface (9) in a circumferential direction, the at least one first drilling device (5) has a linear cross section that is bent along a circumference of the base surface (9) to project perpendicularly to the peripheral region of the base surface (9), the at least one first drilling device (5) being positioned in a constant radius around a central point (201) of the base surface (9), the at least one first drilling device (5) cooperates with an edge region of the portion capsule (2) to ensure a more reliable drilling operation, with liquid flowing at angles through the portion capsule (2) to increase an interaction distance and interaction time between the liquid and the contents of the portion capsule (2).
[0002]
2.Infusion device (1) according to claim 1, characterized by the fact that the base surface (9) faces the second infusion chamber element (4), the first infusion chamber element being The infusion (3) has a plurality of first piercing devices (5) which are arranged below a horizontal plane (7 ') with a substantially constant radius around the central point (201) of the base surface (9).
[0003]
3. Infusion apparatus (1) according to claim 2, characterized in that the first infusion chamber element (3) has a plurality of first piercing devices (5) for piercing the portion capsule (2 ), the first drilling device (5) being arranged within an angular range (202) of a maximum of 230 degrees around the central point (201).
[0004]
Infusion device (1) according to claim 1, characterized in that the first infusion chamber element (3) comprises at least four first piercing devices (5).
[0005]
5.Infusion device according to claim 1, characterized by the fact that the infusion device (1) is designed in such a way that, by moving the first or second infusion chamber element (3, 4) from the loading position (17) to the withdrawing position (11), the portion capsule (2) is substantially sequentially pierced by a plurality of first piercing devices (5) of the first infusion chamber element ( 3).
[0006]
6.Infusion device (1), according to claim 1, characterized by the fact that in the loading position (17), the portion capsule (2) is fed in a loading direction (18) between the first and second infusion chamber elements (3, 4), a cutting plane (19) of at least one first drilling device (5) being oriented substantially at a right angle with respect to the loading direction (18).
[0007]
Infusion device (1) according to claim 1, characterized in that the first infusion chamber element (3) and the perforation element (22) have a plurality of water outlet openings (24) in a surface region (23) to feed extraction liquid into the perforated portion capsule (2) by means of at least one first drilling device (5), with a water outlet opening (24) in each case arranged substantially adjacent to at least one first drilling device (5).
[0008]
Infusion device (1) according to claim 1, characterized in that the second infusion chamber element (4) comprises a hollow bell-shaped element (14) for receiving the portion capsule (2 ), whereby a base region (15) of the bell-shaped element (14) comprises at least one depression (16) for driving away extraction liquid from the perforated portion capsule (2) by means of the second piercing device (8), the second drilling device (8) being disposed in a depression region (16), and the depression (16) leads into a drainage channel (13) to remove the extraction liquid infusion chamber (T).
[0009]
9.Infusion device (1) according to claim 1, characterized in that in the loading position (17), the portion capsule (2) is fed in a loading direction (18) between the first and second infusion chamber elements (3,4) and the loading direction (18) is oriented at a right angle with respect to a horizontal plane (7 '), with the first infusion chamber element (3) presenting at least one first piercing device (5) for piercing the portion capsule (2), and the infusion apparatus (1) has a spacing element (50) that is designed in such a way that when, the capsule of portion (2) is fed between the first and second infusion chamber elements (3, 4) in the loading position (17), mechanical contact between the portion capsule (2) and the at least one first piercing device (5 ) is prevented by the spacing element (50), the spacing element (50) comprising a strip m (51), the metal strip (51) having a first end (52) that is attached to the first infusion chamber element (3) and a second free end (53), and in the loading position ( 17), the second end (53) protrudes from the first infusion chamber element (3) obliquely in a direction of the second infusion chamber element (4), or, in the loading position (17), rests against a surface of the first infusion chamber element (3), which faces the second infusion chamber element (4), the metal strip (51) at least having a curvature towards the second infusion chamber element (4), and has a through hole (54) or is oriented substantially parallel to the loading direction (18).
[0010]
Infusion apparatus (1) according to claim 9, characterized in that the first infusion chamber element (3) comprises at least one first piercing device (5) in the form of piercing tips (5 '), the spacing element (50) being at least partially arranged between at least one drilling tip (5'), and in the loading position (17), the spacing element (50) is spaced from the first infusion chamber element (3) at least in a region between the two drill tips (5 '), and the two drill tips (5') are arranged in a gravitational field (39) below a plane horizontal (17 ').
[0011]
11.Infusion apparatus (1) according to claim 9, characterized in that the spacing element (50) is attached to the first infusion chamber element (3) and is at least partially pre-tensioned elastically in the direction of the second infusion chamber element (4), or the spacing element (50) is designed in such a way that, in the extraction position (11), said spacing element (50) rests substantially completely against the first infusion chamber element.
类似技术:
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同族专利:
公开号 | 公开日
WO2011147491A1|2011-12-01|
CA2800915C|2018-05-22|
ZA201208940B|2014-02-26|
WO2011147491A8|2013-04-11|
CN103200849B|2016-12-07|
RU2557491C2|2015-07-20|
AU2011257614A1|2013-01-10|
DE102010044945A1|2011-12-01|
EP2910155A1|2015-08-26|
KR101993931B1|2019-06-27|
AU2011257614B2|2016-10-20|
RU2012157627A|2014-07-10|
CN103200849A|2013-07-10|
US10244886B2|2019-04-02|
CA2800915A1|2011-12-01|
BR112012030361A2|2017-06-20|
KR20130098891A|2013-09-05|
EP2575564A1|2013-04-10|
US10039412B2|2018-08-07|
JP5852102B2|2016-02-03|
JP2013529956A|2013-07-25|
US20130084376A1|2013-04-04|
US20150257583A1|2015-09-17|
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法律状态:
2019-01-08| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
2019-08-20| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
2020-03-17| B07A| Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette]|
2020-09-15| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
2020-11-24| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 24/01/2011, OBSERVADAS AS CONDICOES LEGAIS. |
优先权:
申请号 | 申请日 | 专利标题
DE102010021849.9|2010-05-28|
DE102010021849|2010-05-28|
DE102010044945A|DE102010044945A1|2010-05-28|2010-09-10|Brewing device for extracting a portion capsule, method for operating a brewing device, method for producing a brewing device and use of a brewing device|
DE102010044945.8|2010-09-10|
PCT/EP2011/000271|WO2011147491A1|2010-05-28|2011-01-24|Brewing apparatus for extracting a portion capsule|
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