A device (1) for extracting an ingredient in a cartridge (9) by supplying an extraction liquid such as heated water into such cartridge, includes upstream and downstream cartridge enclosing parts (7,8) relatively movable between an open position for inserting and/or removing such cartridge and a clo
A device (1) for extracting an ingredient in a cartridge (9) by supplying an extraction liquid such as heated water into such cartridge, includes upstream and downstream cartridge enclosing parts (7,8) relatively movable between an open position for inserting and/or removing such cartridge and a closed position for forming an extraction chamber (11) enclosing such cartridge during extraction; and a cartridge handling arrangement including a cartridge holder (10), in particular a holder fixed to or integral with the upstream part or the downstream part, for receiving and holding such cartridge against gravity when inserted and descending under gravity between the enclosing parts in the open position prior to forming the extraction chamber (11). The handling arrangement further includes at least one cartridge positioning element (39), in particular a pair of positioning elements, that horizontally guides such cartridge (9) upon reception by the holder (10) in a cartridge extraction alignment (3,3′) between the upstream and downstream parts (7,8), optionally the positioning element (s) (39) being fixed to or integral with the downstream part (8) and/or having an arched portion (39′) for contacting such cartridge.
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1. A device for extracting an ingredient in a cartridge by supplying an extraction liquid into the cartridge, comprising: upstream and downstream cartridge enclosing parts relatively movable between an open position for inserting and/or removing the cartridge and a closed position for forming an ext
1. A device for extracting an ingredient in a cartridge by supplying an extraction liquid into the cartridge, comprising: upstream and downstream cartridge enclosing parts relatively movable between an open position for inserting and/or removing the cartridge and a closed position for forming an extraction chamber enclosing such cartridge during extraction;a cartridge handling arrangement comprising a cartridge holder for receiving and holding the cartridge against gravity when inserted and descending under gravity between the enclosing parts in the open position prior to forming the extraction chamber; andthe handling arrangement comprises at least one cartridge positioning element that horizontally guides the cartridge upon reception by the holder in a cartridge extraction alignment between the upstream and downstream parts,wherein the at least one cartridge positioning element is fixed to or integral with the downstream cartridge enclosing part and comprises an arched portion to contact the cartridge. 2. The device of claim 1, wherein the cartridge positioning element is located in or adjacent to a peripheral lower part of the cartridge chamber when the enclosing parts are in the closed position. 3. The device of claim 1, wherein the holder has a holding chamber for receiving and holding the cartridge and an ejection chamber for receiving the cartridge when the enclosing parts are in the closed position to enable removal of the cartridge when the enclosing parts are brought into the open position. 4. The device of claim 1, wherein the upstream part comprises an upstream piercing arrangement for opening an upstream portion of the cartridge and/or the downstream part comprises a downstream piercing arrangement for opening a downstream portion of the cartridge. 5. The device of claim 4, comprising a cartridge removal arrangement for assisting in the removal of the cartridge when the enclosing parts are brought from the closed to the open position, the cartridge removal arrangement comprises an upstream pusher for pushing the cartridge away from the upstream piercing arrangement and/or a downstream pusher for pushing the cartridge away from the downstream piercing arrangement. 6. The device of claim 5, wherein at least one of the upstream and downstream cartridge pushers is: biased into a pushing direction; or coordinated with a drive mechanism of the upstream and downstream parts. 7. The device of claim 5, wherein the upstream and/or downstream cartridge pushers move the cartridge in a direction selected from the group consisting of: generally parallel to a direction of opening and closing of the upstream and downstream parts;from a peripheral part of the cartridge chamber; andfrom a middle part of the cartridge chamber. 8. The device of claim 4, wherein the upstream part comprises at least one liquid injector for supplying liquid into the cartridge, the liquid injector comprising the upstream piercing arrangement in the form of one or more piercers for piercing an upstream part of an envelope of the cartridge and one or more liquid injection conduit for injecting liquid into the cartridge upon piercing thereof. 9. The device of claim 8, wherein the piercer has at least one structure selected from the group consisting of: a piercing edge having a shape selected from the group consisting of cylindrical, conical, prismatic, and pyramidal shape;one or more delimitation surfaces for defining internally or partly internally of the piercer the liquid injection conduit; anda base with a projecting reinforcing foot. 10. A system comprising a cartridge and a device for extracting an ingredient in a cartridge by supplying an extraction liquid into the cartridge, the device comprising upstream and downstream cartridge enclosing parts relatively movable between an open position for inserting and/or removing the cartridge and a closed position for forming an extraction chamber enclosing such cartridge during extraction, a cartridge handling arrangement comprising a cartridge holder for receiving and holding the cartridge against gravity when inserted and descending under gravity between the enclosing parts in the open position prior to forming the extraction chamber, and the handling arrangement comprises at least one cartridge positioning element that horizontally guides the cartridge upon reception by the holder in a cartridge extraction alignment between the upstream and downstream parts, wherein the at least one cartridge positioning element is fixed to or integral with the downstream cartridge enclosing part and comprises an arched portion to contact the cartridge. 11. The system of claim 10, wherein the positioning element deforms the cartridge in a direction of closing the upstream and downstream parts when they are relatively moved into the closed position. 12. The system of claim 10, wherein the extraction chamber has a confining expansion space, which is: unoccupied by the cartridge when the enclosing parts are in the closed position enclosing the cartridge; andoccupied by the cartridge upon expansion thereof caused by exposure of the ingredient to the extraction liquid. 13. The system of claim 12, wherein the expansion space is defined by a surface that is slightly angled away from a facing surface of the cartridge before expansion thereof. 14. The system of claim 12, wherein the expansion space has a volume that is: 1 to 10% of the volume of the extraction chamber; and/oroccupied by the cartridge upon expansion at a rate of at least 50% of the expansion space. 15. A method of using a cartridge in a system for extracting an ingredient in the cartridge by supplying an extraction liquid into the cartridge, the system comprising upstream and downstream cartridge enclosing parts relatively movable between an open position for inserting and/or removing the cartridge and a closed position for forming an extraction chamber enclosing such cartridge during extraction, a cartridge handling arrangement comprising a cartridge holder for receiving and holding the cartridge against gravity when inserted and descending under gravity between the enclosing parts in the open position prior to forming the extraction chamber, and the handling arrangement comprises at least one cartridge positioning element that horizontally guides the cartridge upon reception by the holder in a cartridge extraction alignment between the upstream and downstream parts for extracting the cartridge, wherein the at least one cartridge positioning element is fixed to or integral with the downstream cartridge enclosing part and comprises an arched portion to contact the cartridge.
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이 특허에 인용된 특허 (6)
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