NASA NTRS · 19910000110
Regenerative Sorption Refrigerator
Abstract
Two-stage sorption refrigerator achieves increased efficiency via regenerative-heating concept in which waste heat from praseodymium/cerium oxide (PCO) chemisorption compressor runs charcoal/krypton (C/Kr) sorption compressor. Waste heat from each PCO sorption compressor used to power surrounding C/Kr sorption compressor. Flows of heat in two compressor modules controlled by gas-gap thermal switches. Has no wearing moving parts other than extremely long life, room-temperature check valves operating about twice per hour. Virtually no measurable vibration, and has potential operating life of at least ten years.
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Jones, Jack A., Wen, Liang-Chi, Bard, Steven. 1991-03-01. Regenerative Sorption Refrigerator. https://ntrs.nasa.gov/citations/19910000110
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