[특허]Straightforward method and once-through apparatus for gas liquefaction

[미국특허] Straightforward method and once-through apparatus for gas liquefaction 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25J-001/00
출원번호	US-0880306 (1997-06-24)
발명자 / 주소	Shnaid Isaac,ILX ITX 32545 Weiner Dan,ILX Meron Giora,ILX ITX 36000 Olek Shmuel,ILX ITX 34987
인용정보	피인용 횟수 : 13 인용 특허 : 3

초록 ▼

The invention relates to methods and systems for liquefaction of gases whose critical temperature is lower than the ambient temperature, such as, for instance, natural gas, air, nitrogen, oxygen, etc. Compressed to supercritical pressure gas to be liquefied is cooled by external refrigerator means to a predetermined final temperature that is lower than the saturation temperature of the liquefied gas, and then is throttled to a subcritical pressure. As a result, all gas supplied to the apparatus is liquefied without generating any flash gas, and controlled rate of liquefied gas subcooling is achieved. Three modifications of the apparatus for gas liquefaction employing refrigerator means, based on reversed gas cycles, are introduced. Another modification of the apparatus with refrigerator means applying open air cycle and Compressed Air Energy Storage (CAES) is also developed.

대표청구항 ▼

[ We claim:] [1.] Once-Through-Apparatus for Gas Liquefaction comprising:a device for thermodynamic conditioning of the gas to be liquefied to achieve the gas supercritical pressure and minimal temperature consistent with ambient conditions;an inlet line to supply the gas to the device for thermodynamic conditioning of the gas;external refrigerator means generating distributed variable temperature heat sinks in heat absorbing means, to cool the supercritical pressure gas to a final temperature that is lower than the saturation temperature of the liquefied gas;a throttling device to expand the cooled supercritical pressure gas without work performance to the prescribed subcritical pressure of the liquefied gas;a low temperature heat transfer unit comprising said heat absorbing means of said refrigerator means and main heat transfer means, connected by a line to said device for thermodynamic conditioning of the gas and by another line to said throttling device; said heat absorbing means being in thermal contact with said main heat transfer means thereby ensuring transfer of heat from the gas to said heat absorbing means;an outlet line to supply the liquefied gas to the consumer; means for transferring the liquefied gas from said throttling device to said outlet line.

이 특허에 인용된 특허 (3) 인용/피인용 타임라인 분석

Krieger ; Heinrich, Arrangement for cooling fluids.
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Krieger Heinrich (Leitlestrasse 16 8100 Garmisch-Partenkirchen DEX), Cascade multicomponent cooling method for liquefying natural gas.
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Gross Sidney (Seattle WA), Closed cryogenic cooling system without moving parts.
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이 특허를 인용한 특허 (13) 인용/피인용 타임라인 분석

Kidd, H. Allan; Miller, Harry F., Adiabatic compressed air energy storage process.
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Stallmann, Olaf, Compression of carbon dioxide containing fluid.
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Curry, Dave Earl; Turner, Brett Patrick; Hamilton, Scott Robert; Staker, Douglas Lynn, Electric vehicle charging methods, battery charging methods, electric vehicle charging systems, energy device control apparatuses, and electric vehicles.
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Johnson, Shane; Coxon, Allan; Walker, Ian, Energy systems and energy supply methods.
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Hamilton, Scott Robert, Energy systems, energy devices, energy utilization methods, and energy transfer methods.
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Hamilton, Scott Robert, Energy systems, energy devices, energy utilization methods, and energy transfer methods.
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Mönk, Thomas; Nölke, Marcus; Schlüter, Lars, Method for compressing carbon dioxide or a gas which has similar properties.
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Minta, Moses, Natural gas liquefaction process.
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Minta, Moses; Stone, John B.; Feist, Raymond Scott, Natural gas liquefaction processes with feed gas refrigerant cooling loops.
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Burger, Pieter Cornelis; Van Der Nat, Clemens Gerardus Johannes Maria; Vernooij, Jozefus Gerardus Petrus, Pressure control of gas liquefaction system after shutdown.
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Kimble, E. Lawrence; Bowen, Ronald R.; Minta, Moses; Winningham, H. Gary, Process for producing a pressurized liquefied gas product by cooling and expansion of a gas stream in the supercritical state.
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Shinichi Miura JP; Masayuki Tanaka JP; Koji Noishiki JP; Shuhei Natani JP, Production method for oxygen.
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Villalobos,Carlos Eduardo Rold찼n, System and method for storing gases at low temperature using a cold recovery system.
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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

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[미국특허] Straightforward method and once-through apparatus for gas liquefaction 원문보기