[특허]Evaporative cooling membrane device

[미국특허] Evaporative cooling membrane device 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25D-025/00
출원번호	US-0030101 (1998-02-25)
발명자 / 주소	Lomax Curtis Moskito John
출원인 / 주소	The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
대리인 / 주소	Padilla
인용정보	피인용 횟수 : 54 인용 특허 : 10

초록 ▼

An evaporative cooling membrane device is disclosed having a flat or pleated plate housing with an enclosed bottom and an exposed top that is covered with at least one sheet of hydrophobic porous material having a thin thickness so as to serve as a membrane. The hydrophobic porous material has pores with predetermined dimensions so as to resist any fluid in its liquid state from passing therethrough but to allow passage of the fluid in its vapor state, thereby, causing the evaporation of the fluid and the cooling of the remaining fluid. The fluid has a predetermined flow rate. The evaporative cooling membrane device has a channel which is sized in cooperation with the predetermined flow rate of the fluid so as to produce laminar flow therein. The evaporative cooling membrane device provides for the convenient control of the evaporation rates of the circulating fluid by adjusting the flow rates of the laminar flowing fluid.

대표청구항 ▼

[ What we claim is:] [1.] A system for cooling a contained environment with a circulating stream of fluid by means of vaporation comprising:a) a housing with four enclosed side walls, an enclosed bottom, and an exposed face covered with at least one sheet of hydrophobic porous material of teflon of the PTFE type, said side walls including two oppositely disposed side walls one with an entrance opening and the other with an exit opening and with entrance opening capable of receiving a fluid having an elevated temperature and a predetermined flow rate and capable of experiencing a liquid to a vapor change and the exit opening capable of passing said fluid out of said housing, said predetermined flow being selected so that laminar flow is maintained from said entrance opening to said exit opening, said porous material having pores with predetermined dimensions so as to resist any fluid in its liquid state from passing therethrough but to provide passage of said fluid in its vapor state causing the evaporation of said fluid;b) a container defining said confined environment and capable of containing a negative pressure, said container having means for holding said housing so that said porous material is exposed to said negative pressure.

이 특허에 인용된 특허 (10) 인용/피인용 타임라인 분석

Dinauer William R. (Waunakee WI) Otis David R. (Madison WI) El-Wakil Mohamed M. (Madison WI) Vignali John C. (Waunakee WI) Macaulay Philip D. (Madison WI), Apparatus and methods for humidity control.
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Munteanu Marina A. (New York NY), Container with microporous membrane for dispensing vapor from volatile liquid.
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Kuramarohit Kullapat (P.O. Box 23 Maggasan P.O. Bangkok 10402 THX), Cooling garment.
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Carlson Rene C. (2437 S. Saddleback Tucson AZ 85710), Disposable evaporative cooler pad assembly.
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Hoffman Ned (Berkeley CA), Goggle and desiccant assembly.
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Bergmann Thomas (Penzberg DEX) Brustmann Herbert (Tutzing DEX), Process and container for freeze drying under sterile conditions.
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Zhou Shaojun J. (Palatine IL), Recovery of spent deicing fluid.
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Calvert Philip D. (Center TX), Reticulated foam sleeve for evaporative cooling unit spray conduit.
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Kunz Harold R. (Vernon CT), Solid polymer electrolyte fuel cell system with porous plate evaporative cooling.
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Webbon Bruce W. (San Jose CA), Tubular sublimator/evaporator heat sink.
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Pickard, Paul Kenneth; Progl, Curt; Gray, Joshua N., Heat sink structures, lighting elements and lamps incorporating same, and methods of making same.
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[미국특허] Evaporative cooling membrane device 원문보기