Cryogenic pump with refrigerator with the geometry of the shield

Details Cryogenic pump with refrigerator with the geometry of the shield Cryogenic pump with refrigerator with the geometry of the shield

1986-03-24

1987-09-08

Capossela, Ronald C.

Refrigeration

Low pressure cold trap process and apparatus

55269, 62268, 417901, B01D 800

Patent

active

046915346

ABSTRACT:
A cryogenic pump with a two stages refrigerator, an access grid and condensation walls partially coated by adsorbing material and thermally connected to the second stage of the cryogenic generator, which walls are formed by one or more metallic strips so shaped as to slant considerably in respect to the axis of the cylindrical shield and completely covered by an adsorbing material on both faces; said walls are protected by shielding surfaces at least outside reflecting.

REFERENCES:
patent: 4295338 (1981-10-01), Welch
patent: 4325220 (1982-04-01), McFarlin
patent: 4494381 (1985-01-01), Lessard
patent: 4530213 (1985-07-01), Kadi

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