[특허]Integrated system and method for providing a controlled atmosphere in a food storage facility

Integrated system and method for providing a controlled atmosphere in a food storage facility 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-053/22
출원번호	US-0684482 (1991-04-12)
발명자 / 주소	Sauer Richard A. (Hinsdale IL) Wildey Brian R. (Danville CA) Brian Raymond J. (Lake Oswego OR) Jahr Richard T. (Danville CA)
출원인 / 주소	American Air Liquide (New York NY 02) Liquid Air Corporation (Walnut Creek CA 02) E. I. Du Pont de Nemours and Company (Wilmington DE 02)
인용정보	피인용 횟수 : 25 인용 특허 : 0

초록 ▼

A method for providing a controlled atmosphere in a food storage facility, which comprises: a) feeding a portion of an atmosphere from a food storage facility, containing carbon dioxide, oxygen and nitrogen, to a feed side of a membrane having a higher permeability to carbon dioxide than to nitrogen, b) recycling the carbon dioxide, oxygen and nitrogen not permeating the membrane back to the storage facility, and venting the carbon dioxide-enriched gas permeating the membrane to the atmosphere, and c) using a membrane-based system to maintain the required atmospheric composition and pressure in the food storage facility.

대표청구항 ▼

An integrated method for providing a controlled atmosphere in a food storage facility by automatically and simultaneously maintaining predetermined concentrations of component gas species carbon dioxide oxygen and nitrogen and total gas pressure in the facility relative to the atmosphere, by removing carbon dioxide by enriching and venting in a first stage membrane and by generating an appropriate quantity and composition in a second stage membrane, which process comprises: a) feeding a portion of the atmosphere from a food storage facility, said facility having carbon dioxide, oxygen and differential pressure sensors, said atmosphere containing carbon dioxide, oxygen and nitrogen, to a feed side of a semi-permeable gas membrane on a first carbon dioxide removal skid to remove carbon dioxide and to recycle oxygen and nitrogen, said membrane having higher permeability to carbon dioxide than to nitrogen, and being fluidly connected to a second skid, said second skid taking air and making a nitrogen and oxygen stream whose flow and composition when added to a recycle stream from the carbon dioxide removal skid maintains total gas pressure and concentrations of each of carbon dioxide, oxygen and nitrogen in the storage facility, each skid having one or more differential pressure sensors, said carbon dioxide skid and said make-up skid being activated to remove the majority of the carbon dioxide when the level of carbon dioxide in the storage facility is above a predetermined first carbon dioxide set point, and both of said skids being inactivated when the level of carbon dioxide in the storage facility is below a predetermined second carbon dioxide set point, said second carbon dioxide set point being lower than said first carbon dioxide set point, and wherein the carbon dioxide skid and the make-up skid are capable of being automatically and independently operated; b) recycling the carbon dioxide, oxygen and nitrogen not permeating the membrane of the carbon dioxide skid to the storage facility and venting the carbon dioxide gas permeating the membrane to the atmosphere; and c) adding the oxygen and nitrogen through said second skid as needed to maintain the concentrations of each gas species and total gas pressure in the storage facility atmosphere.

이 특허를 인용한 특허 (25)

Young Hoon Choi KR; Kwan Choull Park KR; Sang Min Kim KR, Air conditioner having oxygen enriching device.
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Savur, Sanjay; Linde, Gerrit; Jordan, Rodney A.; Jones, Lee J.; Barker, Leigh R., Apparatus for controlled venting of a chamber.
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Jørgensen, Gert; Schmidt, Richard D., Apparatus for controlling the composition of gases within a container.
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Yeo, Jeong-Gu; Moon, Jong-ho; Lee, Jung-hyun; Park, Young Cheol, Apparatus for separating CO2 from combustion gas using multi-stage membranes.
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O'Brien William G. ; Noelke Charles J. ; Harker Raymond C. ; Van Bramer David John, CO.sub.2 removable from fluorocarbons by semipermeable membrane.
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Clarke, Raymond, Combinations of atmosphere control members.
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Rogers, Mark S.; Senf, Jr., Raymond L.; Hofsdal, Gilbert B., Controlled atmosphere systems and methods.
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Garrett Michael E.,GB2 ; Lemcoff Norberto, Controlling atmospheres in containers.
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Garrett Michael E.,GBX, Controlling atmospheres in containers.
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Delp, II, William H.; Barbosa, Rui M., Hyperbaric chamber system and related methods.
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Kotliar Igor K., Hypoxic cleanroom systems for industrial applications.
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Delp ; II William H., Method and apparatus for supplying a pressurized diver's breathing gas for underwater divers.
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Noack, Andreas; Kunstmann, Jürgen; Gnabs, Christian; Bischofberger, Norman; Paul, Norbert A.; Rathenow, Jörg, Method and device for reducing the carbon dioxide concentration in air.
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Kutt,Lawrence M.; Jellison,Mark; Boatman,Joseph, Method and system for reducing body weight in an enclosed atmospheric environment.
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Savur, Sanjay; Linde, Gerrit; Jordan, Rodney A.; Jones, Lee J.; Barker, Leigh R., Method for controlled venting of a chamber.
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Gast ; Jr. William A. (Spokane WA), Nitrogen generation control systems and methods for controlling oxygen content in containers for perishable goods.
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Delp ; II William H., Oxygen enriched air generation system.
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Liston Max D. ; Harrison Todd I. ; Hsei Paul K., Oxygen/carbon dioxide sensor and controller for a refrigerated controlled atmosphere shipping container.
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Liston Max D. ; Harrison Todd I. ; Hsei Paul K., Oxygen/carbon dioxide sensor and controller for a refrigerated controlled atmosphere shipping container.
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Clarke, Raymond; Tompkins, Nicholas J., Packaging.
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Crozel Didier (Paris FRX), Process for introducing a filling gas into an enclosure and installation for employing same.
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Herdeman Robert William (Loveland OH), Process for shipping and ripening fruits and vegetables.
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Hodgson, Jr., Edward W., Regenerative carbon dioxide (CO2) removal system.
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Callahan Richard A. (Winooski VT) Khandavalli Kishore V. (Burlington VT), Semi-permeable membrane separation process for the production of very high purity nitrogen.
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O'Brien William G. ; Noelke Charles J. ; Harker Raymond C. ; Van Bramer David John, Separation of CO.sub.2 from unsaturated fluorinated compounds by semipermeable membrane.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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Integrated system and method for providing a controlled atmosphere in a food storage facility 원문보기

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Integrated system and method for providing a controlled atmosphere in a food storage facility 원문보기

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