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Patent application: Device for controlling temperature of low-temperature pump

Ben Welter - Monday, August 06, 2018

U.S. patent application 20180216610 (applicant Korea Aerospace Research Institute, Daejeon, South Korea): 

"A cryopump comprising: a displacer configured to adjust an outside temperature by compressing or expanding a refrigerant included in the cryopump; a thermal conductor configured to transfer an external heat of the cryopump to the refrigerant; and a thermal conductive buffer configured to absorb the external heat transferred to the refrigerant and use the absorbed external heat as a phase change energy when the displacer is turned off."

http://www.freepatentsonline.com/20180216610.pdf

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