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Integrated Heat Switch/Oxide Sorption CompressorThermally-driven, nonmechanical compressor uses container filled with compressed praseodymium cerium oxide powder (PrCeOx) to provide high-pressure flow of oxygen gas for driving closed-cycle Joule-Thomson-expansion refrigeration unit. Integrated heat switch/oxide sorption compressor has no moving parts except check valves, which control flow of oxygen gas between compressor and closed-cycle Joule-Thomson refrigeration system. Oxygen expelled from sorbent at high pressure by evacuating heat-switch gap and turning on heater.
Document ID
19890000198
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Bard, Steven
(Caltech)
Date Acquired
August 14, 2013
Publication Date
April 1, 1989
Publication Information
Publication: NASA Tech Briefs
Volume: 13
Issue: 4
ISSN: 0145-319X
Subject Category
Machinery
Report/Patent Number
NPO-17162
Accession Number
89B10198
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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