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A helium adsorption pump for temperatures between 0.71 and 1.2 KThe construction and method of working of a helium adsorption pump are described. The flux of helium-2 film can be suppressed by an appropriate construction, which permits it to reach temperatures down to 0.71 K. By total utilization of the pump's cross-section, temperatures from 1.2 K to 0.71 K remain constant for several hours with a precision of 0.001 K.
Document ID
19780018505
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Frommann, G. (NASA Headquarters Washington, DC United States)
Keck, K. (NASA Headquarters Washington, DC United States)
Date Acquired
September 3, 2013
Publication Date
July 1, 1978
Subject Category
Mechanical Engineering
Report/Patent Number
NASA-TM-75336
Report Number: NASA-TM-75336
Accession Number
78N26448
Funding Number(s)
CONTRACT_GRANT: NASW-2791
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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