NASA NTRS · 19930000295
Miniature Gas-Circulating Machine
Abstract
Proposed gas-circulating machine consists essentially of centrifugal pump driven by induction motor. Noncontact bearings suppress wear and contamination. Used to circulate helium (or possibly hydrogen or another gas) in regeneration sorption-compressor refrigeration system aboard spacecraft. Also proves useful in terrestrial applications in which long life, reliability, and low contamination essential.
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Swift, Walter L., Valenzuela, Javier A., Sixsmith, Herbert, Nutt, William E.. 1993-05-01. Miniature Gas-Circulating Machine. https://ntrs.nasa.gov/citations/19930000295
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