Refrigeration – Low pressure cold trap process and apparatus
Patent
1980-04-10
1981-07-14
Capossela, Ronald C.
Refrigeration
Low pressure cold trap process and apparatus
55269, 62268, 417901, B01D 800
Patent
active
042779510
ABSTRACT:
A cryopump consisting of cryopanels attached to an elongated source of refrigeration in which heat is transferred from cryopumping surfaces to various stages of refrigeration by conduction including a chevron baffle or louver mounted parallel to the long axis of the refrigerator source and directly to the warmest stage of refrigeration.
REFERENCES:
patent: 3338063 (1967-08-01), Hogan et al.
patent: 3485054 (1969-12-01), Hogan
patent: 3620029 (1971-11-01), Longsworth
patent: 4121430 (1978-10-01), Bachler
patent: 4150549 (1979-04-01), Longsworth
Air Products and Chemicals Inc.
Capossela Ronald C.
Innis E. Eugene
Simmons James C.
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