Method and apparatus for rapidly regenerating a self-contained c

Details Method and apparatus for rapidly regenerating a self-contained c Method and apparatus for rapidly regenerating a self-contained c

1983-09-13

1984-12-04

Capossela, Ronald C.

Refrigeration

Low pressure cold trap process and apparatus

55269, 62 6, 62268, 417901, B01D 800

Patent

active

044856318

ABSTRACT:
To reduce the time for regenerating self-contained cryopumps a direct connection is provided during the defrosting operation between the associated expansion space and the high-pressure gas source of the cryogenerator, to heat up the low-temperature condensation surface, while the cryogenerator continues to operate. The application is particularly to multi-stage self-contained cryopumps.

REFERENCES:
patent: 3218815 (1965-11-01), Chellis et al.
patent: 3338063 (1967-08-01), Hogan et al.
patent: 3585807 (1971-06-01), Hengevoss et al.
patent: 3797264 (1974-03-01), Thibault et al.
patent: 4055960 (1977-11-01), St. Clair
patent: 4235078 (1980-11-01), Morbidi

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