Liquid food preparation system for preparing a liquid food by centrifugation
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A47J-031/22
A47J-031/36
출원번호
US-0133613
(2009-12-08)
등록번호
US-9095236
(2015-08-04)
우선권정보
EP-08171073 (2008-12-09)
국제출원번호
PCT/EP2009/066636
(2009-12-08)
§371/§102 date
20110608
(20110608)
국제공개번호
WO2010/066736
(2010-06-17)
발명자
/ 주소
Perentes, Alexandre
Jarisch, Christian
Yoakim, Alfred
Denisart, Jean-Paul
Ryser, Antoine
출원인 / 주소
Nestec S.A.
대리인 / 주소
Winston & Strawn LLP
인용정보
피인용 횟수 :
5인용 특허 :
48
초록▼
A system for preparing a liquid food from a food substance comprising a device and a capsule removably insertable in the device, by passing water through the substance in the capsule. The device includes a water injection head for injecting water in the capsule and a capsule holder for holding the c
A system for preparing a liquid food from a food substance comprising a device and a capsule removably insertable in the device, by passing water through the substance in the capsule. The device includes a water injection head for injecting water in the capsule and a capsule holder for holding the capsule in the device, a mechanism for centrifugally driving the capsule, and a perforating member configured relative to the capsule in the device to open outlets at the periphery of the capsule. The capsule includes a pierceable membrane, and the perforating member is suited to be engaged through the membrane for forming with the perforated membrane a filter for retaining solid particles in the capsule and orifices in the membrane for enabling the centrifuged liquid to leave the capsule.
대표청구항▼
1. A system for preparing a liquid food from a food susbtance by passing water through the substance in a capsule, the system comprising: a capsule comprising a perforable delivery membrane;a device for removably receiving the capsule, the device including a capsule holder for holding the capsule in
1. A system for preparing a liquid food from a food susbtance by passing water through the substance in a capsule, the system comprising: a capsule comprising a perforable delivery membrane;a device for removably receiving the capsule, the device including a capsule holder for holding the capsule in the device, and a water injection head for injecting water into the capsule through the delivery membrane;means for driving the capsule in centrifugation;a rotary cover plate; andperforating means comprising a plurality of perforating members having membrane engaging sections configured relative to the capsule in the device to open outlets at the periphery of the capsule with the perforating members designed as projections having a wider cross section with at least one concave line in transversal cut view of the section to impart holes into the membrane that are of larger cross-section than the membrane engaging sections of the perforating members;a flow restriction valve placed downstream of the perforating means arranged to open as a result of the pressure exerted by the centrifuged liquid thereon;wherein the perforating means extend from the surface of the rotary cover plate in the capsule when the capsule is inserted in the device and when engaged in perforation through the membrane forms filtering means comprising orifices in the membrane, the filtering means formed between the perforating members and the membrane adjacent to the perforating members, and having a particle retention size and a particle retention shape that cooperate to retain solid particles of the food substance in the capsule while allowing the centrifuged liquid to leave the capsule through the orifices; and,wherein the perforating means further comprises channels between the perforating members and a series of relief elements between the perforating elements to ensure that the membrane does not collapse between the perforating members, thereby preventing blockage of the liquid flow during use and ensuring the flow of liquid is channelled towards the valve means. 2. The system according to claim 1, wherein the capsule does not contain a separate filter element therein other than the filtering means having the recited particle retention size and particle retention shape that retain solid particles of the food substance in the capsule. 3. The system according to claim 1, wherein each projection has a section that sharpens progressively from a larger base to at least one or more perforating tips and each projection comprises at least two cutting surfaces delimited by at least one edge line. 4. The system according to claim 1, wherein the device comprises at least ten projections which are distributed across a peripheral region of the membrane of the capsule. 5. The system according to claim 1, wherein the perforating means comprises projections each having a section that sharpens progressively from a larger base to a perforating tip for forming the orifices as individual perforations in the membrane, with each perforation having a cross-section that is larger than the cross-section of the base of the associated projection when the projections are engaged in perforation with the membrane. 6. The system according to claim 1, wherein each individual perforating projection has substantially triangular or trapezoidal cutting surfaces. 7. The system according to claim 1, wherein the flow restriction valve comprises an annular closing ring. 8. The system according to claim 7, wherein the annular ring is formed on the rotary cover plate. 9. The system according to claim 7, wherein the annular closing ring is formed on the capsule. 10. The system according to claim 1, wherein the perforating means comprises perforating members of different heights that are configured relative to the capsule in the device to open outlets at the periphery of the capsule. 11. The system according to claim 10, wherein the perforating means comprises a first array of first perforating members of one height and a second array of second perforating members of different height that are offset relative to each other in a radial direction. 12. The system according to claim 11, wherein the first and second arrays of perforating members protrude from an upper surface of a periphery of a rotary part of the injection head. 13. The system according to claim 12, wherein the rotary part includes a first innermost part and a second outermost part, wherein the innermost part comprises the first and second arrays of perforating members and the outermost part comprises an annular spring-biased closing ring. 14. A system for preparing a liquid food from a food substance by passing water through the substance by passing water through the substance in a capsule, the system comprising: a sealed capsule having a perforable delivery membrane;a device for removably receiving the capsule, the device including a capsule holder for holding the capsule in the device, and a water injection head for injecting water into the capsule through the delivery membrane;means for driving the capsule in centrifugation;a rotary cover plate, andperforating means comprising a plurality of perforating members having membrane engaging sections configured relative to the capsule in the device to open outlets at the periphery of the capsule, with the perforating members designed as projections comprising a wider cross section with at least one concave line in transversal cut view of the section to impart holes into the membrane that are of larger cross-section than the membrane engaging sections of the perforating members;a flow restriction valve placed downstream of the perforating means arranged to open as a result of the pressure exerted by the centrifuged liquid thereon;wherein the perforating means extend from the surface of the rotary cover plate in the capsule when the capsule is inserted in the device and has channelling means comprising channels between the perforating members and distancing means comprising a series of relief elements between the perforating elements to ensure that the membrane does not collapse between the perforating members, thereby preventing blockage of the liquid flow during use and ensuring that the flow of liquid is channelled towards the valve means, and the membrane engaging sections of the perforating members when engaged in perforation through the membrane forms filtering means comprises orifices in the membrane, formed between the perforating members and the membrane adjacent to the perforating members, having a particle retention size and a particle retention shape that allow gas to escape from the capsule while retaining solid particles of the food substance in the capsule and assuring that the centrifuged liquid leaves the capsule through the orifices. 15. The system according to claim 10, wherein the membrane engaging section of the perforating members comprises truncated cones or pyramids. 16. A device for preparing a liquid food from a food substance by passing water through the substance by passing water through the substance in a sealed capsule comprising a perforable delivery membrane; the device being configured for removably receiving the capsule, the device comprising: a capsule holder for holding the capsule in the device,a water injection head for injecting water into the capsule through the delivery membrane comprising a rotary cover plate;means for driving the capsule in centrifugation;perforating means extending from the surface of the rotary cover plate and comprising a plurality of perforating members having membrane engaging sections arranged to open outlets at the periphery of the capsule, with the perforating members designed as projections having a wider cross section with at least one concave line in transversal cut view of the section to impart holes into the membrane that are of larger cross-section than the membrane engaging sections of the perforating members;a flow restriction valve placed downstream of the perforating means arranged to open as a result of the pressure exerted by the centrifuged liquid thereon;wherein the perforating means further comprises channelling means comprising channels between the perforating members and distancing means comprising a series of relief elements between the perforating elements to ensure that the membrane does not collapse between the perforating members, thereby preventing blockage of the liquid flow during use and ensuring that the flow of liquid is channelled towards the valve means, andwherein the membrane engaging sections of the perforating members when engaged in perforation through the membrane forms filtering means comprises orifices in the membrane, formed between the perforating members and the membrane adjacent to the perforating members, having a particle retention size and a particle retention shape that allow gas to escape from the capsule while retaining solid particles of the food substance in the capsule and assuring that the centrifuged liquid leaves the capsule through the orifices.
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