IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0446172
(1997-06-16)
|
국제출원번호 |
PCT/US97/13232
(1997-06-16)
|
국제공개번호 |
WO98/58218
(1998-12-23)
|
발명자
/ 주소 |
- Reznikov, Lev
- Schulman, Zachary
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
1 |
초록
▼
In an apparatus for cooling food products in a container a device for supplying liquid carbon dioxide into the container and withdrawing from the container is movable between an inoperative position in which it is located outside said opening of the container and outside of the container and an oper
In an apparatus for cooling food products in a container a device for supplying liquid carbon dioxide into the container and withdrawing from the container is movable between an inoperative position in which it is located outside said opening of the container and outside of the container and an operative position in which it is located inserted in the opening of the container.
대표청구항
▼
1. An apparatus for cooling food products in a container having an opening, the apparatus comprising means for supplying liquid carbon dioxide in the interior of the container so as to form carbon dioxide snow in the container with simultaneous generation of carbon dioxide vapors; means for withdraw
1. An apparatus for cooling food products in a container having an opening, the apparatus comprising means for supplying liquid carbon dioxide in the interior of the container so as to form carbon dioxide snow in the container with simultaneous generation of carbon dioxide vapors; means for withdrawing the carbon dioxide vapors in the vicinity of said supplying means so that cold from the withdrawn carbon dioxide vapors is transmitted to liquid carbon dioxide supplied by said supplying means, said supplying and withdrawing means being movable between an inoperative position in which said supplying and withdrawing means are located outside the opening of the container and outside of the container and an operative position in which said supplying and withdrawing means are arranged inserted in the opening of the container; and sealing means arranged so that when said supplying and withdrawing means have reached said operative position, said sealing means provide self-sealing of the opening of the container. 2. An apparatus as defined in claim 1; and further comprising means for connection of said supplying means and said withdrawing means to the container so as to provide supplying of liquid carbon dioxide through said supplying means into the container and withdrawal of carbon dioxide vapors form the container into and through the said withdrawing means. 3. An apparatus as defined in claim 1, wherein said supplying means is displaceable relative to the container so as to adjust a position of a discharge point of liquid carbon dioxide from said supplying means in the container and therefore to adjust distribution of carbon dioxide snow in the interior of the container. 4. An apparatus as defined in claim 1; and further comprising means for moving said supplying means relative to the container and including a frame supporting said supplying means and provided with a plurality of wheels. 5. An apparatus as defined in claim 1; and further comprising liquid dioxide discharging means located inside the container, said liquid dioxide supplying means being releasably connectable with said liquid carbon dioxide discharging means. 6. An apparatus as defined in claim 1; and further comprising means for mounting said supplying means on the container releasably and pivotally around a horizontal axis so as to provide a tight abutment of said supplying means against the container. 7. An apparatus as defined in claim 1, wherein said supplying means are located inside said withdrawing means, said sealing means being arranged on said withdrawing means. 8. An apparatus as defined in claim 1, wherein supplying means and said withdrawing means are both insertable into the interior of the container through the opening of the container. 9. An apparatus as defined in claim 1, wherein said supplying means are arranged inside said withdrawing means and are longer than said withdrawing means, so that in said operative position said supplying means extend into the interior of the container while said withdrawing means is located outside of the container in the region of the opening container. 10. An apparatus as defined in claim 1; and further comprising means for moving carbon dioxide vapors in the vicinity of said supplying in said container so that cold of carbon dioxide vapors is transferred to the supplied liquid carbon dioxide in said container. 11. An apparatus as defined in claim 10; and further comprising means for withdrawing carbon dioxide vapors from the container, liquefying the withdrawn carbon dioxide vapors and introducing the liquefied carbon dioxide vapor into said supplying means of liquid carbon dioxide. 12. An apparatus as defined in claim 10, wherein said supplying means include a source of liquid carbon dioxide, and an exterior supply line extending from said source to said container, said moving means being arranged so that carbon dioxide vapors move near said exterior supply line so as to transfer cold of carbon dioxide vapors to liquid carbon dioxide in said exterior supply line. 13. An apparatus as defined in claim 10, wherein said container has an inlet opening through which said supply means introduce liquid carbon dioxide into the interior of the container, said moving means being formed so that carbon dioxide vapors move in the said inlet opening so that cold of carbon dioxide vapors is transferred to liquid carbon dioxide in said inlet opening of said container. 14. An apparatus as defined in claim 10, wherein said container has a plurality of walls, said supplying means being formed so that liquid carbon dioxide is moved in the vicinity of at least one of said walls, said moving means being formed so that carbon dioxide vapors move in the vicinity of said at least one wall so that cold of carbon dioxide vapors is transferred to liquid carbon dioxide in the vicinity of said at least one wall. 15. An apparatus as defined in claim 10, wherein said container has a floor including a plurality of floor elements which are spaced from one another and provided with channels, said supplying means being arranged sot hat liquid carbon dioxide is supplied through said channels of said floor elements, said moving means being formed so that carbon dioxide vapors move between said floor elements so that cold of carbon dioxide is transferred to liquid carbon dioxide through said floor elements. 16. An apparatus as defined in claim 10, wherein said supplying means include a plurality of pipes which form panels arranged so that said panels are spaced from one another by smaller distances at one end and are spaced from one another by greater distances at another end and liquid carbon dioxide flows from said one end to said another end. 17. An apparatus as defined in claim 17 wherein said supplying means include tubular means for supplying liquid carbon dioxide snow from carbon dioxide vapors during movement of carbon dioxide vapors and further sublimating the separated carbon dioxide snow. 18. An apparatus as defined in claim 17, wherein said supplying means include tubular means for supplying liquid carbon dioxide inside said tubular means, said separating means include net-like means arranged on said tubular means and formed so that carbon dioxide vapors can pass through said net-like means while carbon dioxide snow is retained by said net-like means and be submitted by the supplied liquid carbon dioxide. 19. An apparatus as defined in claim 1, wherein said supplying means include a tubular pipe adapted to extend in an interior of the container so as to supply liquid carbon dioxide; and a plurality of nozzles arranged on said distributor pipe to discharge the liquid carbon dioxide from the distributor pipe, said nozzles being arranged so that jets of liquid carbon dioxide ejected by said nozzles extend substantially along a longitudinal axis of said distributor pipe and toward one another to collie substantially between said nozzles, each of said nozzles having a first inlet portion arranged substantially perpendicular to said distributor pipe and communicating with an interior of said distributor pipe, and second outlet portion communicating with an interior of said first portion and extending substantially parallel to said distributor pipe, said outlet portion having two open ends spaces from one another in a longitudinal direction of said longitudinal pipes. 20. An apparatus as defined in claim 19, wherein said nozzles include one group of nozzles located on one of side of a longitudinal axis of said distributor pipe and another group of nozzles arranged at another side of said longitudinal axis of said distributor pipe. 21. An arrangement as defined in claim 19, wherein each of said nozzles has a first inlet portion arranged substantially perpendicular to said distributor pipe and communicating with an interior of said distributor pipe, and second outlet portion communicating with an interior of said first portion and extending substantially parallel to said distributor pipe, said outlet portion having two open ends spaced from one another in a longitudinal direction of said longitudinal pipes. 22. An apparatus as defined in claim 1; and further comprising at least two nozzles connected with said supplying means and discharging liquid carbon dioxide in two jets directed toward and collide with one another so as to produce carbon dioxide snow; and means for adjusting the jets of said nozzles so as to displace a point of colliding the jets with one another and to thereby to provide a uniform distribution of carbon dioxide snow in the container. 23. An apparatus as defined in claim 22, wherein said adjusting means include means for changing a supply liquid through one of said nozzles so that a greater discharge of liquid carbon dioxide is provided, while through the other of said nozzles a smaller discharge of li 9 quid carbon dioxide is provided. 24. An apparatus as defined in claim 22, wherein said adjusting means include means for changing a throughflow cross-section of said nozzles so as to dispense the point of colliding of the jets discharged from said nozzles toward one of said nozzles having reduced speed and kinetic energy of the jet. 25. An apparatus as defined in claim 22, wherein said adjusting means include means for rotatably oscillating said nozzles about a vertical axis. 26. An apparatus as defined in claim 22, wherein said adjusting means include means for discharging the jets from said nozzles with alternating frequencies. 27. An apparatus as defined in claim 22, wherein said adjusting means include means for oscillating said nozzles in a horizontal plane. 28. An apparatus as defined in claim 22, wherein said adjusting means include with which said nozzles impart to the jets oscillation in a direction of movement of the jets. 29. An apparatus as defined in claim 1; and further comprising means for docking said supplying means relative to the container and coupling said means to the container and including a suspension carrying said means with possibility of movement and coupling with the container. 30. An apparatus as defined in claim 1; and further comprising means for docking said supplying means relative to the container and including a suspension carriage, said carriage is a wheel truck installed at an upper level of the container with possibilities of moving the supplying means in direction of the container, coupling a charger to the opening of the container, docking, coupling, sealing and locking of the charger to the container and after finishing the charging further in a reverse sequence split, unlocking, unsealing and removing of the supplying means from the container. 31. An apparatus as defined in claim 1, wherein said supplying means include longitudinal tubing means with discharging openings, and connected to storage of the cooling cryogen products. 32. An apparatus as defined in claim 1, wherein supplying means are installed motionless, and the container can move relatively said supplying means for docking, coupling of said supplying means and container for charging and to provide uniform distribution of solid carbon dioxide. 33. An apparatus as defined in claim 1, wherein the container is installed motionless and the supplying means have possibility of reciprocation for charging. 34. An apparatus as defined in claim 1, wherein dispenser is a telescopic tubing bar extending during charging and telescopically retracting after the charging. 35. An apparatus as defined in claim 34 wherein an external tubular part of telescopic dispenser is a pressure cylinder, connected to a source of high pressure liquid CO2, internal tubular parts are sequential pistons, communicated with internal volume of container, said moving parts are connected by extend spring or by link with a mechanical drive for retracting the dispenser between charging modes. 36. A method of cooling food products in a container having an opening, the method comprising the steps of supplying l iquid carbon dioxide in the interior of the container so as to form carbon dioxide snow in the container with simultaneous generation of carbon dioxide vapors; withdrawing the carbon dioxide vapors from the container and moving the withdrawn carbon dioxide vapors in the vicinity of said supplying means so that cold from the withdrawn carbon dioxide vapors is transmitted to liquid carbon dioxide supplied by the supplying means; moving supplying and withdrawing means between an inoperative position in which they are located outside the opening of the container and outside of the container and an operative position in which they are arranged inserted in the opening of the container; and sealing the opening of the container when the supplying and withdrawing have reached the operative position. 37. A method as defined in claim 29; and further comprising the steps of discharging liquid carbon dioxide in the interior of the container by at least two nozzles which are arranged so that jets of liquid carbon dioxide discharge from the nozzles are directed toward and collide with one another; and periodically adjusting the jets relative to one another so as to displace a point of colliding the jets with one another and to thereby provide a substantial uniform distribution of carbon dioxide snow in the container.
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