[특허]Stacked multistage Joule-Thomson cryostat

[미국특허] Stacked multistage Joule-Thomson cryostat 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25B-019/02
출원번호	US-0558875 (1995-11-16)
발명자 / 주소	Hsu Ike C. (Los Altos CA) Ambrose Jay H. (Los Gatos CA)
출원인 / 주소	Lockheed Missiles and Space Company, Inc. (Sunnyvale CA 02)
인용정보	피인용 횟수 : 22 인용 특허 : 19

초록 ▼

A stacked multistage Joule-Thomson (J-T) cryostat is described in which each stage comprises a thermally conducting material plate member with fluid passages formed therein and in which the stages are stacked one above the other but separated from each other by thermally insulating standoff supports. Each successive stage in the stack is cooled to successively lower temperature zones by J-T expansion and liquefaction of different coolant gases. Each stage has a restricting passageway connected to a different high pressure gas coolant supply and forming a throttle valve opening into two-phase (liquid-vapor) coolant reservoir passages. The reservoir passages in all but the coldest stage are in heat exchange relation with the high pressure supply passages of the lower boiling temperature coolant gases. The coldest stage is in heat exchange relation with a cold surface on which a device to be cooled can be mounted. Because the stages are constructed of thermally conductive material, there is substantially no thermal gradient within a given stage, and because the stages are thermally isolated from each other, substantial parasitic loads by the heat exchanger section on the cold reservoir for a given coolant is avoided.

대표청구항 ▼

A stacked multistage Joule-Thomson cryostat, comprising: a plurality of supplies of different highly pressurized gas coolants with different boiling temperatures at ambient pressure, said supplies of coolants including a primary coolant with a lowest boiling temperature and at least one secondary coolant with an inversion temperature that is above ambient temperature, a plurality of stages stacked one above the other in thermal isolation from each other, each stage including a thermally conductive material plate member with fluid passages formed therein, the fluid passages in each stage including two-phase reservoir passages associated with a different coolant from reservoir passages in the other stages and a restricting passageway in fluid communication with the high pressure gas supply of that associated coolant, said restricting passageway forming a Joule-Thomson throttle valve opening into said reservoir passages for isenthalpic expansion and liquefaction of the associated coolant, said reservoir passages of a coldest stage associated with said primary coolant being in heat exchange relation with a cold surface of that coldest stage, said cold surface adapted for mounting a device to be cooled thereto in thermal contact therewith, each stage other than said coldest stage also having high pressure coolant supply passages in heat exchange relation with said reservoir passages of that stage for precooling each gas coolant with a lower boiling temperature than the coolant associated with that stage.

이 특허에 인용된 특허 (19) 인용/피인용 타임라인 분석

Kline Mark L. (Fullerton CA) Ross Oakley G. (Paso Robles CA), Clear aperture cryostat for an infrared detector.
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Hingst Uwe (Rebenstrasse 18 7991 Oberteuringen DEX), Cooling apparatus utilizing the Joule-Thomson effect.
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Benedict Becky A. (Denver CO) Lester James M. (Boulder CO) Linenberger Delvern D. (Denver CO), Cryogenic cooling system.
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Hingst Uwe G. (Rebenstrasse 18 7991 Oberteuringen DEX), Cryostatic device for cooling a detector.
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Albagnac RenD. M. (Paris FRX), Device for regulating a Joule-Thomson effect refrigerator.
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Longsworth Ralph C. (Allentown PA), Dual thermal coupling.
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Kunimoto Wallace Y. (Goleta CA) Eneim Arthur A. (Goleta CA), Fast cooldown cryostat for large infrared focal plane arrays.
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Little William A. (Palo Alto CA), Fast cooldown miniature refrigerators.
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Steyert William A. (Center Valley PA) Longsworth Ralph C. (Allentown PA), Heat exchanger for a fast cooldown cryostat.
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Peterson Eugene W. (Santa Barbara CA) Wurtz ; Jr. Howard P. (Santa Barbara CA) Winner Marvin R. (Goleta CA), Joule-Thomson cryostat cooled infrared cell having a built-in thermostat sensing element.
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Barrett John R. (Wayland MA), Joule-Thomson cryostat having a chemically-deposited infrared detector and method of manufacture.
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Campbell David Neil (Alcester EN), Joule-Thomson liquifier utilizing the Leidenfrost principle.
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Little William A. (Palo Alto CA), Micro miniature refrigerators.
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Musinski Donald L. (Saline MI), Microminiature refrigerator.
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Longsworth Ralph C. (Allentown PA) Steyert William A. (Center Valley PA), Parallel wrapped tube heat exchanger.
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Little William A. (Palo Alto CA), Refrigerators.
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Hingst Uwe (Oberteuringen DEX), Two stage cooler for cooling an object.
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Skertic Matthew M. (Chatsworth CA) Hlava Joseph L. (Woodland Hills CA), Two-stage Joule-Thomson cryostat with gas supply management system, and uses thereof.
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Hfner Hans-Ulrich (Cologne DEX) Klein Hans-Hermann (Friedberg DEX) Timm Uwe (Frankfurt DEX), Two-stage cryopump.
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이 특허를 인용한 특허 (22) 인용/피인용 타임라인 분석

Ramadhyani, Satish; Perron, Ted J.; Zagarola, Mark; Vallapureddy, Vineel, Closed-loop system for cryosurgery.
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Terme, Jean-Christophe; Kessler, Antoine, Cooled detecting device.
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Coursaget,Francois, Cooled photosensitive cell.
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Fresquet, Gilles; Perrot, Sylvain, Device and method for making dimensional measurements on multilayer objects such as wafers.
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Esposito, Gerard A.; Bowler, Dennis P., Fluid cooled thermal management technique for a high-density composite focal plane array.
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Dobak ; III John D. ; Radebaugh Ray ; Huber Marcia L. ; Marquardt Eric D., Gas mixture for cryogenic applications.
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Mian, Zahid F.; Gamache, Ronald W.; Baliga, Shankar B., Infrared-based vehicle component imaging and analysis.
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Covert, Jr.,Gerald L.; Goolsby, Jr.,Leon R., Joule-Thomson effect air conditioner using air as the refrigerant.
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Mersch Steven Henry, Liquid sample analysis in an optical fourier transform system.
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Galbraith,S. Douglas, Meso-frequency traveling wave electro-kinetic continuous adsorption system.
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Lin, Jian-Liang; Chen, Yi-Wen, Method and apparatus of spatial motion vector prediction derivation for direct and skip modes in three-dimensional video coding.
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Uzoh, Cyprian Emeka; Monadgemi, Pezhman; Caskey, Terrence; Ayatollahi, Fatima Lina; Haba, Belgacem; Woychik, Charles G.; Newman, Michael, Method and structures for heat dissipating interposers.
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Sobel, Larry D.; Capara, Jeff, Microelectronic system with integral cryocooler, and its fabrication and use.
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Mathias, James A.; Chadwell, G. Bradley; Qiu, Dongming; Tonkovich, Annalee Y.; Perry, Steven T.; Schmidt, Matthew B.; Fitzgerald, Sean P.; Hesse, David J.; Yuschak, Thomas D.; Yang, Bin, Multi-stream microchannel device.
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Mathias, James A.; Chadwell, G. Bradley; Qui, Dongming; Tonkovich, Anna Lee Y.; Perry, Steven T.; Schmidt, Matthew B.; Fitzgerald, Sean P.; Hesse, David J.; Yuschak, Thomas D.; Yang, Bin, Multi-stream multi-channel process and apparatus.
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Mathias,James A.; Arora,Ravi; Simmons,Wayne W.; McDaniel,Jeffrey S.; Tonkovich,Anna Lee; Krause,William A.; Silva,Laura J.; Qiu,Dongming, Process for cooling a product in a heat exchanger employing microchannels.
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Mathias, James A.; Arora, Ravi; Simmons, Wayne W.; McDaniel, Jeffrey S.; Tonkovich, Anna Lee; Krause, William A.; Silva, Laura J., Process for cooling a product in a heat exchanger employing microchannels for the flow of refrigerant and product.
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Schneider, Dieter H. G.; McDonald, Joseph W., Refrigerator electron beam ion trap-source.
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Galbraith, S. Douglas, Sorption method, device, and system.
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Galbraith, Stephen Douglas, Sorption method, device, and system.
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Sobel,Larry D.; Capara,Jeff; Jenia,Justin C., Stacked-plate gas-expansion cooler assembly, fabrication method, and use.
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Richied Donald E. ; Applegate Richard K., Thin-walled cryostat.
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[미국특허] Stacked multistage Joule-Thomson cryostat 원문보기