The Proceedings of the Symposium on Stirlling Cycle
Online ISSN : 2424-2926
2002.6
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Reliability of A Miniature Pulse Tube Cryocooler
Keishi OHSHIMAYukio YASUKAWAKentaro TOYAMATomoyoshi KAMOSHITA
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CONFERENCE PROCEEDINGS FREE ACCESS

Pages 103-106

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Abstract
A Pulse tube cryocooler of simple structure without moving part in the expander has the advantage over a stirling cryocooler of low vibration and long life. So its wide uses for space crafts and high-temperature superconductor devices are extended. Recently Fuji Electric has developed a pulse tube cryocooler with cooling capacity of 2.5W at 70K, based on the technology of the stirling cryocooler for the space crafts. The cryocooler consists of a compressor with two opposite pistons supported by flexure bearings and an in-line type pulse tube expander. This paper describes the structural features, typical performances and reliability of the new cryocooler.
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© 2002 The Japan Society of Mechanical Engineers
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