INFUSION MODULE FOR AN EXTRACTION APPLIANCE, AN EXTRACTION APPLIANCE AND PROCESS FOR THE PREPARATION

专利摘要:
brewing module for an extraction apparatus, extraction apparatus, process for preparing an brewing beverage. infusion module which has a first part of the infusion module (3) and a second part of the infusion module (4) movable with respect to this part, forming a discharge device for discharging an extraction product out of the capsule , and an injector for introducing an extraction liquid into the capsule. in a closed position, an infusion chamber is closed which at least partially surrounds the capsule during the infusion process. in addition, the infusion module has a support element (21) which is executed in such a way that, in a support position with the infusion chamber open, it catches the launched capsule through the defined launch position, where after its launching the capsule rests on the support element and on a support part (36) of the first part of the brewing module (3). by closing the infusion chamber, the support element is moved away from the support position to the rest position.
公开号:BR112014017900B1
申请号:R112014017900-0
申请日:2013-01-25
公开日:2021-08-10
发明作者:Louis Deuber
申请人:Qbo Coffee Gmbh；
IPC主号:

专利说明:

[001] The invention relates to extraction apparatus for the preparation of beverages or the like of an extraction material contained in a capsule, for example, ground coffee. It relates in particular to an infusion module for an extraction apparatus, as well as an extraction apparatus with such an infusion module.
[002] Extraction apparatus for preparing beverages or the like from an extraction material available in a portion pack, for example, are known as coffee machines or espresso machines. In many corresponding systems the portion packs are designed as capsules, in which the extracting material, for example, is hermetically sealed. For extraction, the capsule is perforated, for example, on two sides that are opposite each other. On the first side, then, an extraction liquid - usually hot water - is introduced. On the second side, the extraction product is discharged out of the capsule. This takes place in a so-called infusion module. A module of this type has an infusion chamber in which the capsule is received. Infusion modules are particularly required, in which the capsule is placed in the infusion module, and the infusion chamber is closed, for example, by means of an operating lever, in the case of repeated opening of the infusion chamber. infusion after the infusion process, the capsule is automatically removed out of the infusion chamber and is ejected into a capsule container. Infusion modules of this type, with automatic capsule ejection, are generally executed as horizontal infusion modules, that is, the capsule launch occurs from above, the closing of the infusion chamber is a relative horizontal movement of two parts of the Infusion chamber, the infusion liquid is essentially horizontal, and the capsule container is formed below the infusion chamber.
Patent publications EP 1 721 553 , EP 1 646 305 , EP 1 495 702 , WO 2008/004116 and WO 2008/014830 show examples of apparatus with horizontal infusion chambers. All of these devices are designed for capsules, which are symmetrical in rotation about the horizontal axis. The capsule is placed in an intermediate position, in which a collar surrounding the capsule is held by retaining means specially provided for this - for example swivel arms arranged on the side of the capsule. Thereafter, the two parts of the brewing chamber are moved relative to one another in order to push the capsule into an brewing chamber, whereby also in this way the connection between the retaining means and the collar is broken. After the infusion process, the infusion chamber is opened, and the capsule falls - no longer held by the retaining means - into the capsule container.
[004] Although the concepts of the above publications are partially different (horizontal displacement or tipping movement between the first and second position, shape of the capsule, etc.), however, it is common to them that, for retention in position intermediate and/or for guiding to the ejection position, the collar surrounding the capsule as well as specially designed retaining means are required. This has the disadvantage that there are fewer degrees of freedom in the capsule configuration; in addition, the infusion chamber and retention and release mechanisms are relatively complicated and therefore need to be configured as expensive.
[005] Patent documents WO 2005/060801, WO 2007/016977 and US 6,182,554 show infusion modules, in which the capsule must be launched in a capsule holder with a cavity, the cavity in its shape and in its volume fits exactly to the capsule.
[006] During the closing of the infusion chamber, the capsule holder is rotated, and a closure part is pressed against the capsule holder and the capsule, whereby, a perforation of the capsule occurs. Also in the case of these solutions, the collar surrounding the capsule as well as its cup shape play a central role. The collar is obligatorily necessary for sealing the injection side against the extraction side, and the cup shape is a precondition for operability in the case of these solutions. Also patent WO 2010/043451 shows an infusion module, in which after its release, the capsule is kept in an intermediate position guided in the collar.
[007] In patent WO 2010/118545 an infusion module is presented, which has a first part of the infusion module and a second part of the infusion module displaceable linearly with respect to the first part of the infusion module, whereby, the first part of the brewing module forms a capsule reception with a holder, and a lateral guide. The capsule is launched before closing the infusion chamber, in such a way that it rests directly on the support, guided by the side guide, and after closing the infusion chamber, the support and its side guide form a part of the chamber of infusion; that is, the release takes place directly into a part of the infusion chamber. Among other things, this solution has the advantage that it allows for a very compact type of construction with small displacement paths, that the shape of the capsule can be chosen almost randomly, and that the surrounding collar of the capsule is optional and not necessary. In infusion systems, which work with high infusion pressure, however, it is difficult to accommodate suitable sealing systems, which reliably prevent the infusion liquid introduced into the capsule from passing through the capsule.
[008] Patent publication FR 2 723 524 shows a coffee machine for preparing coffee by means of "Pods" (flat portion packs, in which the extraction material is kept in water-permeable filter material, and that do not need to be drilled). According to FR 2 723 524, after launching and before closing the infusion chamber, the pods are held by a tiltable element moving away. In order for the pod to remain in the intended vertical position, it needs to be guided along the side collar until the infusion chamber closes. WO 95 17121 shows - likewise for pods - a comparable solution with a linear support element displaceable in the axial direction.
[009] Starting from the state of the art, the invention presents the task of providing an infusion module for an extraction apparatus, for example, a coffee machine, for the preparation of a drink in portions, or other Extraction product from an extraction material packed in a capsule, which overcomes the disadvantages of existing infusion modules, and which makes possible a compact form of construction as well as great flexibility in the design of the capsule. The brewing module should in particular be suitable for horizontal mounting and preferably also for large brewing pressures of above 1000 KPa (10 bar), for example up to 20000 (20 bar).
[0010] According to a first aspect, the infusion module has a first part of the infusion module and a second part of the infusion module movable with respect to that part, the first and second part of the infusion module form an outlet device for discharging an extraction product out of the capsule, and an injector for introducing an extraction liquid into the capsule. In a closed position (the first and second parts of the infusion module are, for example, "together") an infusion chamber is closed, which at least partially surrounds the capsule during the infusion process.
[0011] In addition, the brewing module according to the first aspect has a support element. The support element is executed in such a way that, in a support position with the infusion chamber open, it catches the launched capsule through the defined launch position, in such a way that, after its release, the capsule rests on the element. support. By closing the infusion chamber, the support element is moved away from the support position to a rest position, while at the same time the capsule is held by a grip element of the first part of the infusion module and/or the second part of the brewing module, and whereby the movement from the support position to the rest position occurs in a direction which is different from the direction of movement of the second part of the brewing module in relation to the first part of the infusion module during closing of the infusion chamber. The movement occurs, for example, as a downward rotary movement, or in relation to the axial direction to a lateral direction.
[0012] In known horizontal brewing modules the capsule is held in an intermediate position, in which the collar surrounding the capsule is guided into the guide slot. In this case, by means of the means in which the guide slot is carried out, on the one hand, the weight of the capsule is maintained. On the other hand, the guide slot also needs to absorb the twisting moment, which arises because the surrounding collar is situated not in the area of the capsule's center of gravity, but at its first end (relating to the approximately horizontal axial direction). For this reason, in the prior art, the surrounding collar is not necessary for sealing, but it is also unconditional for retention in the intermediate position after launching the capsule, and before closing the infusion chamber.
[0013] In contrast to the state of the art, in the horizontal infusion module according to the invention, in general, after launching into position through the open infusion chamber the capsule is not easily held in the surrounding collar, but it is located , on the one hand, in the support element and, on the other hand, in a support part of the first part of the brewing module. In this case, the support element forms a base, which comes under the body of the capsule itself. The support element forms - together with the support part of the first part of the brewing module - a support, which supports the center of gravity of the capsule, i.e. in the open state of the brewing module the capsule is completely on the support, without, as in the case of the prior art, guide means needing to absorb a torque (i.e. the brewing module can be free of the guide means or guide grooves etc., which absorb a torque from the capsule , which rests after the release of the capsule). Before closing the infusion chamber on the support formed by the support element and the support part, the capsule rests in the position defined by the release on balance, in such a way that no possible torsional moment need be absorbed by the guide means , so that the capsule does not tilt away. For this reason, capsules without the rigid surrounding collar can also be used.
[0014] In the open position of the infusion chamber, the capsule can be seated at a peripheral point in relation to the axial direction, on the support element, and on the opposite side in a support part of the infusion module. The supporting center of gravity can be around at least 10% of the axial dilation, away from the two axial ends of the capsule. The center of gravity of support in the support as a whole (i.e. the support formed of support element and support part of the infusion module part) is approximately at the center of the capsule and, for example, at least 30% apart the two axial ends of the capsule.
[0015] Between the support element and the support part an intermediate space can optionally be available. In any case, it is advantageous that the support element and the support part form two support locations in different axial positions.
[0016] Furthermore, the support element can extend along the entire width of the capsule, in such a way that, through the support element and the support part, the orientation of the capsule is completely defined.
[0017] As an alternative to this, the support element can also support only a part of the width of the capsule. According to an example of embodiment, the support element has two parts of the support element, which hold an area of the capsule underneath on either side.
[0018] The part of the capsule that is seated on the support element is executed, for example, flat, that is, it forms a part of the capsule wall, which separates the interior of the capsule (filled with the extraction material) and the exterior of the capsule. By means of the support element, for example, the wall of the capsule is pressed against the interior of the capsule. The fact that the capsule wall is pressed against the interior of the capsule means that at the location of the support element there is no dimensionally stable reinforcement per se, and no supporting counterelement, but the capsule wall, on the contrary , is pressed almost against the filling of the capsule.
[0019] In particular, the support element can be made in such a way that also a non-sticking capsule, for example cubic or cylindrical, or conical, is held by the support.
[0020] The unavoidably continuous weld bead in the use of a cylindrical or conical cup can be, for example, on the support part, its position then being adapted accordingly.
[0021] As already mentioned, by closing the infusion chamber, the support element is pushed into a rest position, away from the support position. In this case, the support element can be subjected, in particular, to downward movement. For example, the support element can be shaped as an arch, which forms a support part, and which is swiveling about a pivot axis, such that, in the case of a turning movement, the support part is moved. downwards away from the capsule (for example, when opening the infusion chamber, in the opposite direction).
[0022] In one embodiment, the support element can also be made in several parts, in particular, through several parts of the support element movable in the same direction or in different directions.
[0023] Also a swiveling motion to the side or a translational motion, for example tilted downwards, are conceivable. In the case of a multi-part support element, for example, two parts of the support element can be rotated in different directions, for example, each to one side.
[0024] The circumstance that the movement to the rest position takes place in a different direction than the movement of the second part of the brewing module with respect to the first part of the brewing module enables a compact arrangement combined with an operative capsule seal. It has been shown that, as opposed to a displacement movement in the direction of movement of the second part of the brewing module, also on the sides of the first part of the brewing module, sealing means can be located for sealing the perforated capsule during the process. of infusion, in such a way that they cause the infusion liquid discharged from the capsule to reach the discharge device completely (and, in particular, does not drip down). In addition, if necessary, it is also possible to seal the parts of the brewing module from one another in such a way that the brewing chamber is sealed from the outside, which will be explained in more detail below.
[0025] The movement of the support element due to the closing of the infusion chamber preferably occurs purely mechanically, without electrical drive. In particular, the movement is caused by the relative movement of the second part of the brewing module to the first part of the brewing module itself. The direction of movement different from the movement of the support element, then, can be caused, for example, by the deflection means and/or guide means, which convert a movement of the second part of the brewing module to a first direction into a movement. of the support element to a second direction.
[0026] These deflection means and/or guide means can be produced, for example, by a support of the swiveling support element around a fixed axis of rotation, or alternatively, by the guide means predetermining the direction of translation.
[0027] The support element can be fixed rotating, or movable in any other way, in particular, in a stationary part of the brewing module, not movable (for example, in the first part of the brewing module, in particular, of the discharge device), or on another object stationary in relation to the first part of the brewing module, for example, in a module housing. In this case, there is an effective connection with the second part of the brewing module, whereby the support element is moved through its movement.
[0028] The reverse is also conceivable without problems - that is, the fixing of the support element on the part of the mobile brewing module.
[0029] During opening of the infusion chamber, first the support element is moved back to the support position, when the infusion chamber is open to a certain predetermined extent - for example, it is completely open. In particular, the predetermined measure is chosen in such a way that, with the movement of the support element to the support position, during the opening process the brewing chamber is more open than during movement of the support element away from the support position during the closing process (hysteresis behavior).
[0030] In one embodiment, during the closing of the infusion chamber, the support element can be moved and fitted against a spring force, such that, in the renewed opening of the infusion module, the support element remains first in the rest position, and the capsule may fall into the capsule container. The release of the support element takes place through the opening of the brewing chamber, for example only through the complete opening.
[0031] There may be, for example, a holding element, which after closing the infusion chamber keeps the support element in the rest position, for example, in opposition to a spring force. Only by fully opening the infusion chamber is the support element moved back into the support position. This can occur, for example, by the fact that eventually the holding element is pushed through a moved part of the brewing module, such that a snap-in connection or other connection with the support element is loosened, and that part may be able to return to the support position. The actual connection between the holding element and the mobile brewing module part can be a direct connection (for example whereby the support part impacts the holding element) or an indirect connection via a separate release element.
[0032] Another possibility is to support the support element in such a way that, due to the effect of at least one spring, it is bistable. For example, during closure of the infusion chamber the support element can be moved in opposition to a spring force, until it is moved out through a neutral position, after which it continues to be moved in by virtue of the spring force, until it is in a backrest. During reopening of the brewing module, the support element is moved back out again through the neutral position. In this case, a corresponding reset mechanism can be performed such that it will only take effect when the infusion module is wide open, such that the capsule has been ejected, or is ejected and may fall downwards.
[0033] For example, an arc that serves as a support element, driven by the second part of the brewing module can be dimensioned in such a way that it is only moved together in the last part of the trajectory (for example, maximum in the last third) during opening. In addition, suitable damping may be available, which hinders the support element in snapping back into the support position.
[0034] As an alternative, the deflection and/or guide means can be implemented in the type of a sliding guide. A guide of this type can be executed, for example, in the (second) part of the mobile brewing module, while the support element is fixed to the other part of the brewing module and can rotate, or move in another way, and has an element driven, which grips the sliding guide - or vice versa.
[0035] The desired hysteresis behavior can be caused, for example, by the fact that the sliding guide has a first guide groove, and a second guide groove. During the closing process, a driven element (eg a guide pin) is driven into the first guide groove, which passes in such a way that the support element remains in the supporting position, until the brewing chamber is almost closed, and the support element is only then pushed into the rest position, that is, only when closing or just before the complete closing of the infusion chamber. While the brewing chamber is open, then the driven element is guided into a second guide groove, which is in such a way that the support element remains in the rest position, until the brewing chamber is almost fully opened, and the capsule was ejected. Due to the complete opening, then the support element is pushed back into the support position again.
[0036] The support element can have lateral guides, which are adjusted to the geometry of the capsule, in such a way that, through them, the capsule is positioned in the desired precision in relation to the lateral directions (horizontal directions transverse to the axis). Such lateral guides can be executed as shoulders/souls projecting upwards on both sides of the support surface; a slightly conical conformation, with an upward opening reception may be convenient for the capsule.
[0037] The claw element, which supports the capsule during the movement away from the support element, can be performed, for example, as a surrounding sealing of the first and/or second part of the brewing module. This surrounding seal may, in particular, have a sealing collar which positions and holds the capsule. In the area of the sealing collar, the seal of the capsule can surround the capsule along a surrounding surface and, by virtue of its elasticity, it can be pressed against the wall of the capsule, in such a way that the capsule is held by means of the seal.
[0038] By means of the combination of the support and the surrounding seal, in particular flexible, elastically deformable, for example rubber elastic and/or elastomer, the capsule can be optimally centered for the brewing process. This is then particularly valuable if the capsule is not held and positioned via a side guide that grips a collar during and after the entire launching process, such that a certain remaining inaccuracy of the capsule's position has to be expected .
[0039] For the sealing function, on the sealing collar one or more sealing lips or surrounding sealing lip can be available. This at least one sealing lip and/or sealing lip can be made in such a way that it abuts a surface of the capsule and presses the wall of the capsule against an interior of the capsule. In particular, in the case of sealing, optionally, a multitude of sealing lips or surrounding sealing lips can be available, which by virtue of their elasticity press the capsule wall against an interior of the capsule, between the sealing lips or lips respectively, a cavity is arranged in such a way that, in the operating state, between the sealing lips or sealing lips which succeed one another and the capsule a surrounding hollow space is formed. Complementarily or alternatively, provision can also be made for the seal to seal both against a front surface and against a surrounding surface. For this purpose, at least one of the sealing lips or surrounding sealing lips can be pressed against a surrounding surface.
[0040] Capsule seals can be available on both sides, ie on the sides of the injector and on the side of the discharge device. In various embodiments, the sealing collar on the injector side is available expanded and/or the seal on the injector side has more sealing lips than the seal on the extraction side, or on the extraction side there is absolutely no sealing of elastomer. Therefore, in general in these designs, the capsule is also held on the injector side with greater friction force than on the extraction side. In combination with arrangements in which the injector forms the mobile infusion module, this has the advantage that, during opening of the infusion chamber, the capsule is first moved together with the injector. An outward release of the surrounding effect of the seal on the injector side can occur, for example, by means of removal, such as will be discussed in more detail below.
[0041] The seal(s) and/or possibly the infusion seal described below is(are), in general, of a flexible, elastically deformable material, in particular, elastic rubber and/or elastomer.
[0042] In the case of the infusion module - as in the embodiments described below - the first part of the infusion module can form the discharge device and the second part of the infusion module can form the injector. As an alternative to this, the opposite can also be the case, therefore, the first part of the brewing module forms the injector and the second part of the brewing module forms the discharge device. Even configurations are conceivable, in which the discharge device and the injector are both formed by the same part of the infusion module, so that the other part of the infusion module can present, in particular, the function of the exercise of a pressing force against the capsule and/or the seal.
[0043] The discharge device and the injector are preferably arranged opposite each other, and have, for example, a discharge plate with at least one perforation tip protruding from the plate into the chamber. infusion, or an injector plate, likewise, with at least one injector tip protruding from the plate into the infusion chamber. Perforation tips are made, for example, to pierce the capsule walls of deep-drawn synthetic material, for example, polypropylene with, for example, a thickness of between 0.2 mm and 0.4 mm, for example, between 0.25 mm and 0.35 mm; as such they differ markedly from the perforation tips for aluminum capsules. For other capsule wall materials, however, piercing devices such as deep-drawing synthetic materials may also be available.
[0044] Also, a collar surrounding the capsule is indeed, as always possible, but no longer necessary. On the contrary, the capsule reception can be shaped optionally forming a support corresponding to the shape of the capsule.
Capsule shapes without surrounding collar are even particularly preferred. As a consequence of this, capsule shapes are also considered, which are no longer anisotropically reinforced by a surrounding collar, which allows for more degrees of freedom.
[0046] According to a special embodiment, for example, the infusion chamber is designed to receive a capsule that conically widens in contrast to the state of the art, not to the discharge or injector side, but of a capsule, for example cubic or cuboid in shape. As a cubic or cuboid shape is meant in this case, a shape that does not diverge too much from the geometrically exact Cubic or Cubic shape, in such a way that they would be functionally very different; for example, the shape of a truncated pyramid is included with rectangular or square base surface, whereby the side surfaces adjacent to the base surface are slanted relative to the perpendicular to the base surface around only a small angle of inclination. α, of, for example, at most 2°, preferably at most about 1°. The square or cubic shape excludes a surrounding collar, protruding from the capsule body in the plane of an end surface, which is provided for retaining the capsule in guide slots. Despite this, the square or cubic shaped capsule may have surrounding edges conditioned by the production technique (for example, a welding brow) which protrude laterally, for example, by a maximum of 1.5 mm or 1 mm or less, and which are deduced, for example, from a plane of end surfaces.
[0047] For closing the infusion chamber, the second part of the infusion module can move linearly with respect to the first part of the infusion module. Along an axial direction - that is, translationally, or in essence, translationally. A pivotal movement of the parts of the brewing module relative to one another is not excluded, but is generally unnecessary. In particular, during closing of the infusion chamber, preferably, the capsule is not rotated, i.e. the orientation of the capsule remains, in essence, maintained when closing the infusion chamber.
[0048] In embodiments, the infusion module can be executed in such a way that, when closing the infusion chamber, in essence, the capsule does not move - except for an axial displacement around, for example, the length of a perforation tip, for the perforation of the capsule. In particular, the infusion module is designed in such a way that, during closing of the infusion chamber, the capsule is not tipped over, but that its orientation remains maintained.
[0049] According to an embodiment, the support and, for example, the reception of the entire capsule, or the entire brewing module, is tilted with respect to the horizontal; it is tipped down towards the first part of the infusion module. This means that an attachment of the part of the brewing module to the coffee machine is carried out in such a way that this tipping or tipping is present when the coffee machine is switched off on a horizontal base according to the specification. For this purpose, the brewing module can have, for example, a fixing element, which is connected with a frame of the brewing module, in such a way that the aforementioned inclination of the brewing module is available. Alternatively, an infusion module housing can also be molded such that such inclination is achieved. The inclination of the axis of the nozzle discharge device to the horizontal is preferably between 2° and 15° or 10°, preferably between 3° and 7°. In an essentially cubic-shaped capsule, this means simultaneously an inclination of the horizontal axis of symmetry of the capsule in relation to the horizontal around between 2° and 15° or between 2° and 10°, preferably between 3° and 7th.
[0050] Preferably, the infusion chamber completely surrounds the capsule, that is, the capsule reception and the second part of the infusion module have elements, which correspond exactly to each other, and in the closed position together they form the infusion chamber . The walls in the axial direction (relating to the conduction of the brewing liquid and/or the direction of movement of the relative movement of the brewing module parts) form, for example, an injector plate with at least one injector tip protruding from the plate, into the infusion chamber, and a discharge plate, likewise, with at least one piercing tip protruding from the plate, into the infusion chamber. The top, bottom and side walls of the first and second part of the brewing module are formed by corresponding wall parts hitting each other. The wall parts formed by the first part of the brewing module and the wall parts formed by the second part of the brewing module can be sealed relative to one another in the closed position, for example by means of a circular-shaped seal. This seal can have, for example, a lip seal, which is fixed to one of the parts of the brewing module, and when closing the brewing chamber it strikes against a surface of the other part of the brewing module. A closed infusion chamber of this type makes it possible to flush the extraction device or the infusion module, without having to place a capsule - which is an important advantage for the user. However, this does not preclude the use of a wash cap or seat-retaining cap during the wash or cleaning process - with the infusion chamber closed or not completely closed.
[0051] In contrast to the state of the art, the embodiments with an infusion chamber completely enclosing the capsule, and with parts of the infusion module sealed in relation to each other have a two-phase seal. A first sealing phase is formed by the seal(s) of the capsule, which surrounds (encloses) the capsule and prevents (prevents) the introduced extraction liquid or the discharged extraction product from passing through the capsule. This first sealing phase seals the capsule against the injector or discharge device. The second sealing stage seals the parts of the brewing module from one another. On the one hand, it can serve as a complementary seal during the brewing process. On the other hand, as mentioned, it can serve as a seal during the washing process.
[0052] The retention of the capsule in the infusion chamber by means of a circular seal, possibly in combination with an infusion chamber seal, in relation to embodiments in which a collar surrounding the capsule is maintained also has another important advantage . Substantial production tolerances are therefore possible, that is, the accuracy of the positioning of the parts of the brewing module in relation to one another need not be more exact than tenths of millimeters, but under certain circumstances the tolerance may be several tenths of millimeters. Capsule retention via a circular seal or circular seals in this case can absorb tolerances.
[0053] The procedure according to the first aspect enables, in the first place, a very compact form of construction, since the capsule can be configured without sticking, and thus, the infusion chamber also does not need to present reception and support matching for a necklace.
[0054] In embodiments of the first aspect of the invention and optionally also independent of them, according to a second aspect of the invention, the infusion module may have movable capsule removal means.
[0055] In particular, the means for removing the capsule from the second part of the infusion module - for example, the claw element, in particular the sealing of the capsule with the circular sealing collar - during opening of the infusion chamber, firstly the capsule moves together with the second part of the infusion module, and the removal means then, during the continuation of opening of the infusion chamber, automatically intervenes with the capsule, and prevents another movement of the capsule along with the second part of the infusion module.
[0056] The means for removing the capsule are executed, for example, as parts (wings) projecting inwardly radially from the sides, horizontally with respect to the capsule away from the part of the mobile brewing module and folding outwards. Folding out of the movable brewing module part, for example, can occur during closing of the brewing chamber through the movable brewing module part and as opposed to a spring force.
[0057] At the opening of the infusion chamber, after the infusion process - in this state, the capsule often identifies in the radial directions a slight dilation greater than before the infusion process because of the high pressures and temperatures that act during the process of infusing from inside the capsule - these removal elements hook into the corners/lock with the capsule or strike a gusset or collar of the capsule, and prevent movement of the capsule along with the movable infusion module part.
[0058] Capsule retention by the removal elements can be produced, for example, for the following types. - Friction: the force with which the removal elements touch the capsule causes friction resistance against displacement of the capsule in relation to the corners on the inner side of the removal elements. - Locking: the removal elements and the cap are dimensioned in such a way that the cap prevents a complete backward bending of the removal elements. Also by virtue of friction the corners on the inner side of the withdrawal elements are pressed with further withdrawal of the capsule into the capsule, and thus cause a blockage which reacts against further withdrawal of the capsule. - Lean against a reinforcement or similar of the capsule. The capsule may have, for example, a continuous weld bead or the like which forms a local reinforcement or slightly projected feature. Also a surrounding collar of the well-known type can form such a reinforcement. The positioning of the removal elements is such that, during the opening of the infusion chamber on the injection side of this reinforcement, they abut the capsule, and because of the fact that, the reinforcement cannot be pulled past the removal elements.
[0059] Combinations of respectively two or all three of these possibilities are also conceivable, as well as other variants and combinations (in the blocking approach, friction belongs to it anyway).
[0060] Advantageous features of the infusion module according to the first aspect - for example, in the context of the sealing and/or sealing of the infusion chamber surrounding the capsule - can also be realized in embodiments of the infusion module according to the second aspect.
[0061] As an alternative to the removal means according to the second aspect, the infusion module can also have at least one ejector. An ejector of this type, during opening or closing of the infusion chamber, is moved in an approximately axial direction in relation to the part of the infusion module, in which the capsule remains suspended during the opening of the infusion module. In embodiments with a seal on the injection side that surrounds the capsule, the at least one ejector is moved relative to the injector, therefore, in the opening/closing of the infusion chamber, and actually in such a way that, during the opening the infusion chamber the capsule is ejected out of the injector, i.e. also eventually out of the seal surrounding the capsule.
[0062] The ejector can be supported, for example, being able to be moved axially in the corresponding infusion module part (for example, injector) and in the type of a plunger ejects the capsule after the infusion process.
[0063] If the corresponding infusion module part is the part of the infusion module moved during opening/closing in relation to the carcass, the ejector can be supported, for example, fixed to the carcass, in such a way that it does not accompany the opening or closing movement.
[0064] Often, however, it is particularly advantageous if the ejector follows the relative movement of the corresponding brewing module part relative to the other brewing module part, however, around a reduced path. Thus, for example, it can be envisaged that the ejector is moved together by operating the operating lever, but, for example, around a shorter path. This can be caused, for example, by a actuated operating lever, whereby a connecting rod that moves the ejector is fixed to the pivot shaft of the operating lever closer than the corresponding connecting rod to the moved brewing module.
[0065] Likewise, an extraction apparatus, in particular a coffee machine, with one of the brewing modules mentioned according to the first or second aspect, is object of the invention.
[0066] Additionally object of the invention according to its first aspect is a process for the infusion of an infusion drink by employing a capsule. This process is carried out, for example, with an infusion module or with an extraction device, of the type described above, and may comprise the steps: - launching a portion capsule with an extraction material in an open chamber of a module infusion - for example, through a launching opening, such that it rests at least partially on a support element which is in a support position; - closing the brewing chamber by moving a second part of the brewing module relative to the first part of the brewing module, such that the support element moves in a direction different from the direction of movement of the second part. of the infusion module with respect to the first part of the infusion module is moved away from the support position to a rest position, and the capsule is pierced at least through the piercing tips of an injector formed by the first /e/ or by the second part of the brewing module, whereby introduction openings appear in the capsule; - introduction of an extraction liquid into the capsule through the introduction openings (eg hot water using a pump, and a check valve); - discharging the extraction liquid out of the capsule through the discharge openings, which were produced by the perforation tips of a discharge device, formed by the first/and/or the second part of the brewing module; - following the discharge, opening the infusion chamber by moving the second part of the infusion module relative to the first part of the infusion module until the capsule falls from the open infusion chamber downwards; and - continuing to open the infusion chamber until movement of the support element back to the support position is caused.
[0067] Examples of implementation of the invention will be described below, with the aid of drawings. In the drawings like reference numerals designate like or similar elements. The drawings show elements partially corresponding to each other, of different sizes from Figure to Figure. They are shown:
[0068] In Figure 1, a view of an infusion module according to the invention in the release position of the capsule;
[0069] In Figure 2, a view of an infusion module according to Figure 1 in the closed position;
[0070] In Figure 3, a sectional view (i.e., cut object view) of a portion of the brewing module shown cut in the open position;
[0071] In Figure 4, a sectional view of a detail of the infusion module open, with the capsule launched;
[0072] In Figures 5 and 6 sectional views of the infusion module with the capsule according to Figure 4, in the open state and in the closed state;
[0073] In Figure 7, cross-sectional representation of a first seal;
[0074] In Figure 8, cross-sectional representation of a second alternative embodiment of a seal, wherein the infusion module is in the closed state;
[0075] In Figure 9, a view of parts of the brewing module in the closed state;
[0076] In Figure 10, a sectional view of an alternative embodiment in the open state;
[0077] In Figures 11 and 12, sectional views of the embodiment according to Figure 10, with the capsule launched in the open state and during closing;
[0078] In Figures 13 to 18, seen from another side, of the embodiment according to Figure 10, in various states during closing, and then opening the infusion chamber;
[0079] In Figure 19, a view of elements of the embodiment of Figure 10,
[0080] In Figure 20, schematically, a coffee machine with a horizontal brewing module of the type described and defined in the document in question;
[0081] In Figures 21 and 22, a view (with parts of the housing removed) and a sectional view of a third form of execution of an infusion module, with the capsule to be launched,
[0082] In Figure 23, another view of the third embodiment without parts of the housing,
[0083] In Figure 24, the view of the parts of the infusion module, cut along the plane A-A in Figure 23,
[0084] In Figures 25 to 27, views corresponding to the representation of Figure 21 in different positions during the closing process,
[0085] In Figure 28, a sectional view in position according to Figure 27,
[0086] In Figure 29, a detail of Figure 27,
[0087] In Figure 30, the infusion module in its third form of execution in the closed state,
[0088] In Figure 31, another view of elements of this infusion module in the closed state,
[0089] In Figure 32, the infusion module in its third form of execution in the opening,
[0090] In Figure 33, a detail of Figure 32,
[0091] In Figures 34 to 36, views of a fourth embodiment of the infusion module in the open state;
[0092] In Figure 37, a view of this form of execution in the closed state, and
[0093] In Figures 38 and 39, a sectional representation of the infusion module cut along a horizontal plane above the infusion chamber, in the fourth embodiment, during closing or during opening of the infusion chamber.
[0094] The infusion module according to Figures 1 to 6 presents a discharge device 3 conducted in an external housing 1, and an injector 4. The discharge device 3 and the injector 4 are displaceable in relation to each other by turning the operating lever 5. For this purpose the operating lever can rotate around a trunnion 6, which is available in the outer casing 1, or is held by this casing. In the designed execution form, the injector 4 can move downwards towards the discharge device 3, through a turning movement of the operating lever 5, while this device remains immobile in relation to the outer casing 1.
[0095] As in the illustrated example of execution, the outer shell 1 can be composed of two spherical shells 1.1, 1.2, which is seen in Figures 1 and 2. The spherical shells 1.1, 1.2 can be molded on the inner side, in such a way so they receive by positioning parts supported on the housing - for example, the discharge device or the injector supported by sliding. Thus, these parts under certain circumstances can be supported absolutely without separate fixing means (screws or the like), naturally excluding screws (or the like), which fix the two spherical shells together.
[0096] In the operating state, the brewing module serves as a horizontal brewing module of a coffee machine, which together with the brewing module features a water tank, a water heating device (for example, continuous heater ) and a pump, for the supply of infusion water to the injector 4. The corresponding supply channels 18, as well as a check valve, etc. of the injector can be performed as well known; they are not the subject of the invention and will not be described in detail here. The injector furthermore has at least one perforation tip 12 with coordinated inlet opening, such that the capsule is perforated and can be supplied with extraction liquid through the inlet opening. In addition, the coffee machine has, for example, a container for capsules, arranged below the brewing chamber, into which the capsule is automatically launched after the brewing process, by lifting the operating lever.
[0097] Also the discharge device 3 is equipped with at least one perforation tip 11 and a coordinated discharge opening 19. In addition, depending on the configuration, an outlet conduit is also available, with which the coffee (or similar) that leaves the outlet 8 of the dispensing device is guided in such a way that it flows into a cup placed in the place provided. . Also the channels leading to output 8 in this case will not be described in detail.
[0098] In the example of execution shown, the injector 4 is composed of four parts: an injector support as the first part of the injector 41 with a supply channel to bring hot water and with an injector plate support fixed to the first part of the injector with perforation tips 12 on the injector side, a capsule seal 43, and with a part of the brewing chamber housing 44 on the injection side that surrounds the capsule seal at least partially. Also the discharge device, in this case, is composed of several parts with a housing of the discharge device 31, with discharge channel 19 or discharge channels for the brewed beverage, and with perforation tips 11 on the extraction side, a sealing of the capsule 33 and part of the brewing chamber housing 34 on the extraction side. The housing part of the brewing chamber on the injection side 44 / and/or on the extraction side 34 may also have - for example guided in a groove 45 - an brewing chamber seal 81, which in the closed state of the chamber respectively, abutting on the other part of the brewing module and thus sealing the brewing chamber against the outside. The various parts of the injector / and/or discharge device can be advantageous with production technology, but it is not a prerequisite for the functioning of the invention.
[0099] The respective perforation tips 11, 12 can be molded in the respective part of the infusion module 31, 41 itself, or as performed in patent WO 2010/118544 with the aid of Figures 19 to 24, available in a part of perforation (plate) separately, or otherwise be performed as in the appropriate type. Also abstracting from the type of attachment, the perforation tips and the elements to which they are attached can be made according to patent WO 2010/118544.
[00100] In Figures 1 and 3, the launch opening 7 for launching a 10-cubic portion capsule is clearly visible. The launching opening is formed in the outer housing 1, is in the area of the discharge device 3, and remains as this device stationary during a movement of the operating lever. The launch opening can be slightly conical and taper downwards, in order to have a centering effect on the capsule during launch, without the danger of the capsule tipping over being too great.
[00101] As is evident from Figure 3, the infusion module is executed in such a way that, the axial direction - the axis that connects the injector and the discharge device, along which the part of the mobile infusion module (i.e. is, in this case, the injector) is moved during the opening and closing of the infusion chamber - it is inclined slightly, for example, by about 5°, in relation to the horizontal and in fact, in such a way that the part of the mobile brewing module (ie in this case the injector) moves slightly downwards as it moves towards itself towards the stationary brewing module part (ie in this case the discharge device). In Figure 6 are also drawn the axis of the nozzle discharge device 14, as well as the angle 15 in the direction of the horizontal 16; the axis of the injector discharge device corresponds, in essence, also to the axis of symmetry of the capsule, or is parallel to this axis.
[00102] As, for example, is visible in Figure 3, the brewing module furthermore presents a support element 21. Together with a support projection 36 of the discharge device 3 this device forms a support for the capsule launched through the launch opening 7.
[00103] In Figure 3 is also seen elements of removal of the capsule 51, whose function and form of action will still be clarified in detail below.
[00104] Figure 4 shows a detail of the infusion module in the open state, with capsule 10 launched. It is also seen that the launching opening 7 and the discharging device 3 are positioned with respect to each other in such a way that the capsule comes to stand immediately before the perforation tips 11 on the extraction side, i.e. has already touched these spikes or is within a range of, at most, the height of one tip of these spikes.
[00105] In Figures 4 and 5 it is also seen the sealing of the capsule 33 on the extraction side, and the sealing of the capsule 43 on the injector side very well. The cap seal 43 on the injector side features a multitude of successive sealing ribs 48, which are molded into the sealing collar, and surround the cap sealing. However, the capsule seals 33, 43 can be performed in accordance with the teaching of patent application PCT/CH2010/000249, to which, in this case, explicit reference is made.
[00106] On closing the infusion chamber by approaching the injector 4 the surrounding collar of the seal 43 is placed over the capsule 10, and covers the part on the injector side of the wall of the surrounding capsule. Then the tips of the piercing elements (piercing tips 11, 12) start to penetrate the capsule wall on the injector side / and/or on the extraction side.
[00107] Figure 6 shows the infusion chamber in the closed state of the infusion module. The housing parts of the infusion chamber 34, 44 of the discharge device and the injector fit exactly. In the closed state the parts of the housing of the brewing chamber 34, 44 of the discharge device and the nozzle surrounding the capsule collide with each other and thus close the brewing chamber. They (in the form of a capsule shown here) form the side walls of the closed infusion chamber. On the contact surface (on the front side), an infusion chamber seal may still be available for this purpose. In this way a two-stage seal is obtained. In this case, the seal of the brewing chamber can be fixed to the injector or the discharge device, and be pressed against a corresponding sealing surface of the respectively, other part. It is often preferred if the seal is attached to the injector as it is in the open state in a stowed position and is therefore better protected.
[00108] Figures 7 and 8 show two examples of a sealing principle of this type. According to Figure 7, the seal of the brewing chamber 81 has an axially protruding lip 82 which fits into a corresponding groove 35 of the other part of the brewing chamber. Additionally it also forms a protrusion 83, which is pressed against the corresponding surface of the other part of the brewing chamber. An attachment portion 84 on the rear side attaches the seal to the corresponding brewing chamber portion. The brewing chamber seal according to Figure 8 on the front side corresponds to the “square ring” principle with two sealing lips 82, which fit into a common wide groove of the other part of the brewing chamber. Other sealing principles would also be conceivable, for example also with a single sealing lip or with a sealing lip which is pressed against a surface, for example in the form of an O-ring - or correspondingly with several lips seals or sealing edges.
[00109] Figure 9 shows another uncut view, in which one of the two spherical shells of the outer shell 1, however, is not represented. In Figure 9 the infusion chamber is closed. The capsule removal elements 51 have been bent outward on both sides through the approaching injector, and the support element 21 is displaced downwardly into the rest position. A holding element 61, made as a swivel rod around an axis 62 fixed to the housing, with its end on the extraction side intervening with the support element 21. The end on the extraction side of the holding element 61 has been clipped. during closing on the corresponding part of the support element. On opening the infusion chamber by turning the operating lever 5, the injector is moved in translation away from the discharge device (in Figure 9 to the left). As the front corner of the injector is moved behind the capsule removal elements 51, these elements are bent inwards towards the capsule and lock this capsule against further recoil. The retaining element 61 at the same time prevents the support element, by virtue of the effect of the spring(s) which retain them (not drawn) from being rotated back into the support position. Thus, the capsule can fall into the capsule container downwards as soon as the infusion chamber is open enough. Only during the complete opening of the brewing chamber by moving the operating lever almost to a stop does the support element return to the support position again. This occurs in the embodiment represented by the fact that a (releasing) part of the injector provided for this is pressed against a ramp 63 of the retaining element 61, thus turning the retaining element outwards. The snap-in connection with the support element releases, and by virtue of the spring force, this element pivots back up to the support position.
[00110] In Figure 9 the two connecting rods 9 are clearly visible, which convert the turning movement of the operating lever 5 into the linear movement of the injector 4.
[00111] With the help of the following Figures, with the aid of a second form of execution of the infusion module, it will be clarified in more detail how the individual parts work. The second form of execution differs from the first form of execution in the first place through the configuration of the outer casing, diverging in this case, not discussed in more detail. Secondly also the mechanism of the effective connection between the injector and the support element is loosened in another way. Thirdly, also the individual elements, in particular the supporting element in its form is configured differently from the execution form discussed above. It is understandable that these differences can be implemented independently of each other. Thus, for example, the configuration of the support element release mechanism does not depend on the shape and configuration of the individual parts, with the exception, of course, of the characteristics conditioned to functioning, discussed here explicitly.
[00112] Figure 10 shows the alternative infusion module cut in view without the capsule. The support element 21 is clearly visible, which in this configuration has an optional flat lateral guide part 22, as well as one of the removal elements 51. Both the support element 21 and also the removal elements 51, by virtue of the effect of coordinate springs are in the position/orientation depicted in Figure 10. Figure 11 shows the brewing module with the capsule 10 launched through the launching opening, depicted similarly cut away. For the brewing of the beverage, the brewing chamber is closed. For this purpose - for example, in the same way by operating an operating lever - the first part of the brewing module is moved with respect to the second part of the brewing module; in this case, the injector 4 is moved towards the discharge device 3. Figure 12 shows the infusion chamber during this movement. Figure 13 shows, like the following Figures, a view of the brewing module shown uncut, from another side (compared to the orientation according to Figure 13, rotated about about 180° around a vertical axis), and parts of the outer casing were omitted. The removal elements 51 are, as always, in the non-rotated exit position. In Figure 14, the infusion chamber is almost closed, and in Figure 15 it is fully closed. Removal elements 51 supported by pivoting around a vertical axis are rotated away by the approaching injector, as opposed to spring force to the extraction side, and outward. An optional part projecting outwards through the slewing shaft, in this case, serves to secure the spring; There are also other solutions for this, for example the use of a spiral spring supported coaxial with the swivel axis, a flat spring, a helical spring fixed on the inner side, etc.
[00113] In Figure 15 it is also seen how, also the support element was rotated away by approaching the injector, and actually down and towards the extraction side. The retaining element 61 in this case is a plate swiveling about a trunnion of the retaining element 65 with a retaining part which fits into a correspondingly molded receiving recess 24 of the supporting element 21 when this element is rotated to its resting position. A correspondingly pre-tensioned spring rotates the retaining member to that orientation.
[00114] During the opening of the infusion chamber, as seen in Figure 16, firstly the support element 21 is kept in the rest position through the retaining element 61, because it remains engaged with this element. By moving away from the injector, by virtue of the spring force, the removal elements 51 can bend back inwards, and abut with their corner on the inner side of the capsule 10. With continued movement away from the injector, the removal elements 51 hold the capsule (Figure 16) in such a way that as soon as the injector is no longer sufficient support for the capsule, it falls into the capsule container.
[00115] In the variant shown in Figure 16, the retaining effect of the removal elements is based on the combination of an overhang in a circular weld bead of the capsule (such as that which emerged in the process of separate welding and friction forces, the which is described in patent document WO 2010/118543). The embodiment of Figures 1 to 6 and 9 provides that the removal elements are dimensioned in such a way that, during the pendant on the capsule, they are not folded completely inwards, but that they remain at an angle to the radial direction. . Thus, a blockage may eventually occur (also) in combination with an overhang on a reinforcement (weld bead, collar). In Figure 17, the overhang of the circular weld bead 10.1 on the removal element can be seen a little more clearly.
[00116] Figure 18 shows the infusion module with the infusion chamber fully open. The capsule has fallen into the capsule container, and is no longer visible. The return movement of the support element 21 to the support position is carried out in the embodiment of Figures 11 to 19 as follows. A release pin 66 which serves as the release part, which is fixed or molded to the injector is guided in an elongated recess (elongated hole) 69 of a release element 68. The release element 68 is connected with the release element. retention 61 at one end on the extraction side. With the full opening of the infusion chamber, the release pin hits the end on the injector side of the elongated hole 69, and drags the release element with it a little, such that this element overturns the retaining element 61 as opposed to the spring force, and thus loosens the snap-on connection with the support element. This element rotates back to the supported position.
[00117] Figure 19 shows more elements of the infusion module with the infusion chamber open, and the relative positioning between the support element 21, the removal elements 51 and the discharge device 3 is particularly well visible .
[00118] An extraction apparatus, in particular a coffee machine with an brewing module, as schematically represented in Figure 20 presents, together with the brewing module, a water tank 71, a pump 72 for feeding water infusion tubes for the injector 4, and a water heating device 73 (eg continuous heater). Below the brewing module there is arranged a capsule container 75, into which the capsules 10 fall after the brewing process or are transported.
[00119] The supply of heated water to the injector 4 takes place through the water conductor sections (hoses) and through the supply channels. In addition, the coffee machine has, for example, a container for capsules 75 arranged below the brewing chamber, into which the capsule is automatically launched after the brewing process, by lifting the operating lever 5.
[00120] Another embodiment of an infusion module - for example, for a coffee machine according to Figure 20 - is shown in Figures 21 to 23. The description below refers in particular to the differences in relation to the form of execution of Figures 1 to 9. These characteristics, through which the third form of execution differs from the first two forms of execution, act independently of each other, although their advantages complement each other in a favorable way. Therefore, the characteristics can be carried out individually or (as in the described embodiment) in combinations, or in any sub-combinations: • A retaining spring of the infusion module 91 (or on both sides of the injector 4 is placed a spring of retention for each) is tensioned by closing the infusion chamber. In this way, it exerts a holding force, which when reopened, facilitates activation. In Figure 21 the retaining spring of the infusion module 91 is fully represented, in the following Figures only the two ends of the spring. • The infusion module does not feature any elastomer cap seal on the draw side. On the contrary, the extraction side is sealed by the fact that, the inside of the capsule during the brewing process is under pressure, and the capsule wall becomes soft, whereby it is pressed flat against the corresponding surface of the brewing device. discharge. Infusion beverage discharged out of the capsule can flow from the extraction apparatus to an outlet; therefore, between the brewing beverage exiting the capsule and the ambient pressure there is no pressure difference (at least no appreciable difference). That is, the discharged infusion liquid is no longer under pressure. Therefore, the flat overhang for the capsule wall on the corresponding surface of the discharge device, by virtue of the internal pressure of the capsule, is sufficient for a satisfactory sealing effect. • The infusion module does not have any removal means according to the second aspect of the invention. On the contrary, after the infusion process, the capsule is ejected. This occurs through ejectors 101, which, in the piston type, are axially displaceable in relation to the injector 4, and whose ends during the opening of the infusion chamber are pushed into the infusion chamber in relation to the injector 4, of such that they eject the capsule. The mechanism for triggering will be described in more detail below. • The support element 21 has lateral guides 120, which project upwards on both sides of the support surface. In the drawn execution form they are configured slightly pyramidal, in such a way that the reception for the capsule narrows slightly downwards, which centers the capsule during launch in relation to the lateral directions (see, in particular, Figure 24 ). • The support element 21 is held by a spring 121 in the support position and in the rest position - each depending on a backrest, the spring being moved away by moving the support position to the position of rest, above a neutral point. In this way a separate retaining element can be abolished. In this case, the spring is a tension spring, which is arranged above the support element in the housing of the discharge device 3, as well as in the discharge device (fixing pin 122, 123) and is arranged in such a way that the fixation point on the support element during closure of the infusion chamber is moved axially above the fixation site on the discharge device (exceeding the dead center). This mechanism is best seen in Figure 31. The release element 68 can then be molded as in the present case, as a simple bow, which during opening of the brewing module is taken by a drag part 66 (pin) of the part of the brewing module moved, and retracts the support element 21 through the dead center. • The support element is equipped with a 125 rotational damper, which ensures a slow turn movement rather than a turn fit. • The support shoulder 36 of the discharge device protrudes towards the injection side above the infusion chamber seal 81 (or if the infusion chamber seal is placed on the injection side, above the surface, on which the seal of the infusion chamber is pending). This makes it possible for the seal to be arranged approximately vertically and, as in the previous forms of execution, it does not need to pass along an inclined plane, so that nothing is in the path of the launching of the capsule. In this case, the sealing of the infusion chamber is performed as an elastomer surface seal. • The brewing module is equipped with a fine adjustment mechanism which, despite existing production tolerances, and also by employing an elastomer surface seal, enables a precise closing of the brewing chamber. This mechanism foresees that the trunnion 6 is not executed /and/or supported with rotational symmetry around its axis, but, for example, that it be eccentric or elliptical. By rotating an adjustment plate 111 (see, for example, Figure 23) it can rotate with respect to the operating lever 5 and then be fixed through one of several adjustment holes 112 by means of a pin, to the torsion proof in relation to this pin (the same principle can also be applied for the orientation of trunnion 6 in relation to the housing ). In the final assembly of the brewing module, the brewing chamber is closed and the adjustment plate 111, to which the brewing chamber seal 81 is saturated on the counter-surface, is fixed. In this case, the trunnion is an axis, which has no rotation symmetry around its axis, at least, or in the area where it intervenes with the operating lever, or there, where it acts in conjunction with a fixed part in the carcass.
[00121] The last mentioned principle of the fine adjustment mechanism with trunnion without rotation symmetry / and/or with trunnion support without rotation symmetry can be realized independent of the concepts of the first and second aspects in general in infusion modules of according to the preamble of the first patent claim.
[00122] Figures 21 to 24 show the infusion module or parts of it in the open state during the launch of the capsule. In this state the ejectors 101 project into the space, which is formed by the seal 43 on the injection side, and in the closed state the infusion chamber is formed. During launch, the capsule is centered and positioned via the side guides.
[00123] As can be seen particularly well in Figure 22, together with the connecting rods 9 for converting the rotating movement of the operating lever 5 into an axial movement of the injector 4 an ejector connecting rod 103 is also available. on the operating lever 5 at a point which is closest to the slewing axis (defined by the trunnion 6) as the connecting rod 9 attachment point. 101 move together in the direction of the injector's movement, but slower and with it, finally around a shorter trajectory.
[00124] Figures 25 to 27 show the brewing module in continuous states of the closing process. It can be seen how a ramp-shaped actuating surface 46 of the injector presses the support element away from the support position. Retaining element 68 is moved axially free, and is moved together when necessary (Figure 27, Figure 29).
[00125] The geometry of the arrangement is chosen in such a way that, in the closed state, the ejectors 101 are completely withdrawn from the brewing chamber.
[00126] In the example of execution shown, the ejectors have (especially see Figure 22) on the front side a top 105 with a slightly enlarged diameter, on whose rear side a circular seal can be arranged - not drawn in the Figures - a which is pressed and thus sealed against the retracted state of the ejectors in relation to the injector 4, against a protrusion arranged inside the injector.
[00127] In Figure 28 it is seen how, when closing the infusion chamber, the capsule is perforated at least on the injection side through perforation tips 12.
[00128] In the closed state (Figure 30 and 31), due to the mechanism described above, the support element is kept in the rest position through the spring 121, while the infusion process can occur.
[00129] During the opening of the infusion chamber (Figure 32 and 33) first the capsule is ejected out of the capsule seal 43 on the side of the injector that surrounds it, whereby the ejectors 101 are collected around a shorter path than the injector and, therefore, are displaced relative to that injector into the infusion chamber. The ejectors 101 are dimensioned in such a way, and the ejector connecting rod 103 is arranged such that the capsule is fully released from the capsule seal 43 on the injector side, and falls out before the brewing module is fully opened. Only at the end of the opening movement does the injector drag pin 66 drag the release element (arc) 68, and retract the support element above the neutral, after which the spring 121 moves back to the support position . The rotational damper 125 prevents an immediate jump into the support position, whereby it is ensured that also in case of very rapid opening of the brewing module, the support element cannot be in the support position again before the capsule has fallen .
[00130] Figures 34 to 39 show an embodiment of an infusion module (shown without operating lever and ejector/ejection mechanism), in which the support element 21 has two parts. It has a first part of the support element 21.1 and a second part of the support element 21.2. Figures 34 to 36 show the brewing module in the open state of the brewing chamber, into which the capsule can be launched or has been launched. In Figure 35 and, in particular, in the view according to Figure 36, which represents the brewing module tipped to the side, it is seen how the parts of the support element 21.1, 21.2 are executed as arcs passing alongside the capsule , with an end part that grips the capsule underneath.
[00131] Figure 37 shows the brewing module in the closed state of the brewing chamber, in which the support element is in its rest position, whereby the two parts of the support element 21.1, 21.2 are rotated outwards. For this purpose, the parts of the support element together with the bow passing alongside the capsule with the end part also present, in this case, a part of the pivoting lever, which is essentially horizontal. As can be seen especially well in Figures 38 and 39, the parts of the swing lever are fixed by a swing pin 141 fixed to the housing, which can rotate in housing 1.
[00132] The movement of the support element parts 21.1, 21.2 is caused by guiding a guide pin 142 in a slide of the second part of the brewing module (of the injector 4). For each of the two parts of the support element, in this case, there is a slide for each in a symmetrical arrangement. The slides contain an outer guide groove 144 and an inner guide groove 146.
[00133] During the closing of the infusion chamber (Figure 38, by moving the injector 4 in the Figure to the left), the guide pin 142 is guided in the external guide groove 144 and thus, the part of the support element 21.1, 21.2 corresponding is held in the support position. At the end of the closing movement, the injector is pushed towards the parts of the support element, at the same time, the guide pin can be dependent on a first stop 145 of the slide. The course of the slide, however, as seen in Figure 38 at this point, allows for a deflection of the guide pin 142 inwards, whereby the supporting element parts 21.1, 21.2 are rotated away outwards.
[00134] In the case of reopening the infusion chamber (Figure 39; injector 4 is shifted back to the right), the guide pin will remain in the inner guide groove 146, until the guide pin is in one second backrest 149. By continuing to retract the injector 4 the guide pin is dragged "back" (that is, to the side of the injector), which causes a rotation of the support element part 21.1, 21.2 inwards, with simultaneous sliding of the guide pin 142 outwards. The brewing module is ready again for a launch of the capsule, and upon closing again, the guide pin is driven back into the outer guide groove 144 according to Figure 38.
[00135] The embodiment of Figures 34 to 39 at the same time is also an example for an infusion module, in which the support element can be moved without spring.
[00136] Due to the ability to turn the parts of the support element to the side, this form of execution also allows a relatively strict lateral guide of the capsule, without interfering friction forces during the opening of the brewing chamber. .
[00137] The characteristics of the support element described with the aid of the execution forms and the corresponding drive mechanism, and the characteristics of the removal elements and the corresponding mechanism can be implemented and varied independently of each other, and they are also conceivable forms of execution with a direct connection between these elements. A joint action between the support element and the removal elements is constituted by the fact that the support element should eventually be preferably in the rest position, when the removal elements are in interference with the capsule.

权利要求:
Claims (15)
[0001]
1. Infusion module for an extraction apparatus, eg a coffee machine, for the preparation of a drink in portions, or another product for extracting an extraction material packaged in a capsule, having a first part of the module of infusion module (3) and a second part of the infusion module (4) movable with respect to that part, the first and second part of the infusion module forming a discharge device for discharging a product for extracting from the capsule, and an injector for introducing an extraction liquid into the capsule and an infusion chamber, which surrounds the capsule during the infusion process at least partially and which through movement of the second part of the infusion module in relation the first part of the brewing module can be brought from an open state to a closed state, the first and/or the second part of the brewing module having piercing tips for piercing the capsule by penetrating a wall. gives capsule, wherein the infusion module further comprises a support element (21), which, when the infusion chamber is in the open state, in a support position forms a base for the capsule, and which by means of closure of the infusion chamber can be moved away from the support position to the rest position, whereby the movement of the support element from the support position to the rest position occurs in a different direction than the movement direction of the second part of the brewing module with respect to the first part of the brewing module, and that the brewing module is executed in such a way that, after insertion through a defined insertion position, the capsule rests on the support element (21) and on a support part (36) of the first part of the brewing module (3), which form a support, which supports the center of gravity of the capsule, characterized in that the support element (21) acts together with the parts of the module infusion, such that, during the opening of the infusion chamber it is moved back to the support position when the infusion chamber is opened to a predetermined measure, which measure is chosen in such a way that, for the movement of the support element to the support position during the opening process the brewing chamber is more open than for the movement of the support element away from the support position during the closing process.
[0002]
2. Infusion module according to claim 1, characterized in that, during the movement from the support position to the rest position, the support element is moved downwards.
[0003]
3. Infusion module according to any one of the preceding claims, characterized in that the second part of the infusion module (4) has a claw element, which encompasses the capsule, when the infusion chamber is closed, wherein the grip element is formed by an elastic rubber and/or elastomer cap (43) seal with surrounding sealing collar.
[0004]
4. Infusion module according to any one of claims 1 to 3, characterized by the fact that the support element (21) can be moved against a spring force away from the support position, and by the fact that, during movement to the rest position, it is moved outward by spring force neutral.
[0005]
5. Infusion module according to any one of the preceding claims, characterized in that, during the closing of the infusion chamber, the support element (21) is moved in opposition to a spring force to the rest position, and there it is held by a snap-in connection, whereby the snap-in connection can be released through the opening of the infusion chamber, wherein the snap-in connection preferably exists between the support element (21) and a retaining element ( 61) supported mobile, and by the fact that this connection can be released through a release part (66) of the second part of the brewing module.
[0006]
6. Infusion module according to any one of the preceding claims, characterized in that at least one means for removing the capsule (51) which during the opening of the infusion chamber automatically intervenes with the capsule (10) , and prevents a movement of the capsule with the second part of the brewing module until the well-opened state of the brewing chamber, wherein the means for removing the capsule preferably have parts projecting inwardly radially from the sides, as opposed to a force of spring away from the movable infusion module part and fold out.
[0007]
7. Infusion module according to any one of claims 1 to 5, characterized in that at least one ejector (101) supported, being able to move relatively in the second part of the infusion module (4), or axially in the first part of the infusion module, which during opening of the infusion chamber can be pushed with respect to the second or first part of the infusion module towards the interior of the infusion chamber.
[0008]
8. Infusion module according to any one of the preceding claims, characterized in that the first part of the infusion module and the second part of the infusion module form an infusion chamber fully enclosing the capsule, and by the fact that , between the abutting brewing chamber wall parts of the first and second brewing module parts, an brewing chamber seal (81) is available.
[0009]
9. Infusion module according to any one of the preceding claims, characterized in that the support element has lateral guides (120) that project upwards from a support surface.
[0010]
10. Infusion module according to any one of the preceding claims, characterized in that the support element has at least two parts of the support element (21.1, 21.2) movable in the same direction or in different directions.
[0011]
11. Infusion module according to claim 10, characterized in that the support element parts (21.1, 21.2) or two of the support element parts (21.1, 21.2) are rotatable in each of the opposite directions to the side, each of the parts of the support element (21.1, 21.2) having an arc passing alongside the capsule, with a final part gripping the capsule from below from the side.
[0012]
12. Infusion module according to any one of the preceding claims, characterized in that it further comprises a sliding guide for guiding an element (142) guided by the support element.
[0013]
13. Infusion module according to claim 12, characterized in that the sliding guide has a first guide groove (144) and a second guide groove (146) that runs parallel to the first guide groove. , the support element is in the support position when the guided element (142) is guided into the first guide groove (144) and is in the rest position when the guided element (142) is guided into the second groove of guide (146), and wherein the guided element is guided within the first guide groove, while the second part of the brewing module is moved with respect to the first part of the brewing module to the closed state, and is driven within. of the second guide slot, while the second part of the brewing module is moved from the closed state to the open state.
[0014]
14. Extraction apparatus, eg coffee machine for preparing a beverage in portions, or other product for extracting an extracting material packed in a capsule, featuring a liquid tank, a liquid pump, a device heating liquid, as well as an infusion module as defined in any one of the preceding claims, characterized in that the heated liquid, transported by the liquid pump through the injector of the infusion module can be sprayed into a capsule through of the liquid heating device.
[0015]
15. Process for the preparation of an infusion drink, comprising the steps: - throwing a portion capsule with an extraction material into an open chamber of an infusion module, in such a way that it rests at least partially in a support element (21) which is in a support position and at the same time in a support part (36) of a first part of the brewing module, - closing the brewing chamber by movement of a second part of the brewing module (4) with respect to the first part of the brewing module (3) such that the support element through a movement in a direction different from the direction of movement of the second part of the brewing module with respect to the first part of the infusion module is moved away from the support position to a rest position, and the capsule is pierced at least through the piercing tips (12) of an injector formed by the first and/or the second part of the infusion module, so that n the capsule insertion openings; - introducing an extraction liquid into the capsule through the introduction openings; - discharge the extraction liquid out of the capsule through the discharge openings produced by the piercing tips (11), whose piercing tips (11) belong to a discharge device (3) formed by the first and/or the second part of the infusion module; - following discharge, opening the infusion chamber by moving the second part of the infusion module relative to the first part of the infusion module until the capsule falls from the open infusion chamber; and characterized in that - continuing to open the infusion chamber until movement of the support element (21) back to the support position is caused, and in which the support element (21) acts in conjunction with the parts of the infusion module, such that during the opening of the infusion chamber it is moved back to the support position when the infusion chamber is opened to a predetermined measure, which measure is chosen in such a way that for the movement of the support element to the support position during the opening process the brewing chamber is more open than for the movement of the support element away from the support position during the closing process.

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同族专利:

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公开号 | 公开日

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JP2015504745A|2015-02-16|

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US20140348994A1|2014-11-27|

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JP6086929B2|2017-03-01|

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KR20140116945A|2014-10-06|

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KR102115045B1|2020-05-26|

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PT2806773T|2016-12-29|

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RU2014133873A|2016-03-20|

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PL2806773T3|2017-02-28|

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CN104168804B|2017-10-03|

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US9492028B2|2016-11-15|

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RU2623953C2|2017-06-29|

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CA2866728A1|2013-08-01|

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BR112014017900A8|2017-06-20|

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DK2806773T3|2017-01-02|

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CN104168804A|2014-11-26|

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WO2013110206A1|2013-08-01|

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EP2806773B1|2016-09-21|

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BR112014017900A2|2017-06-20|

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CA2866728C|2020-04-28|

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HUE031109T2|2017-06-28|

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ES2608721T3|2017-04-12|

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EP2806773A1|2014-12-03|

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法律状态:
2018-02-20| B25D| Requested change of name of applicant approved|Owner name: QBO COFFEE GMBH (CH) |

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2018-03-13| B25G| Requested change of headquarter approved|Owner name: QBO COFFEE GMBH (CH) |

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

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2019-10-15| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|

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2021-06-15| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

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2021-08-10| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 25/01/2013, OBSERVADAS AS CONDICOES LEGAIS. |

优先权:

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申请号 | 申请日 | 专利标题

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EP12405010.5|2012-01-25|

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EP12405010|2012-01-25|

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PCT/CH2013/000014|WO2013110206A1|2012-01-25|2013-01-25|Brewing module|

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