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Small Business Innovation Research/Small Business Tech Transfer

Cryocooler With Cold Compressor for Deep Space Applications

Completed Technology Project
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Project Description

Cryocooler With Cold Compressor for Deep Space Applications, Phase II
The innovation is a high-frequency single-stage pulse tube cryocooler (PTC) that operates at a heat rejection temperature of 150 K. It employs a flexure-bearing cold compressor operating at that same heat rejection temperature. High frequency, low temperature pulse-tube cryocoolers are a promising technology for future NASA missions. Such missions will require cryocoolers providing cooling capacities in excess of 0.3 W at 35 K with heat rejection capability to temperature sinks as low as 150 K at input powers up to 20 W. Presently there are no cooling systems operating at this heat rejection temperature. More »

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