Cryogenic system

Details Cryogenic system Cryogenic system

2008-07-08

2008-07-08

Doerrler, William C (Department: 3744)

Refrigeration

Storage of solidified or liquified gas

Including cryostat

C062S006000

Reexamination Certificate

active

07395671

ABSTRACT:
A cryogenic system includes a containment vessel in which a body to be cooled is housed in such a manner that the body is immersed in a liquid coolant; a tubular refrigerator sleeve; and a refrigerator, inserted in the opening section of the refrigerator sleeve, for recondensing coolant gas generated from the coolant, wherein a gas flow-forming means for forming a flow of purge gas toward an opening section of the refrigerator sleeve is provided. The purge gas prevents air from entering a refrigerator sleeve during the replacement of a refrigerator of a cryogenic system.

REFERENCES:
patent: 4223540 (1980-09-01), Longsworth
patent: 4279127 (1981-07-01), Longsworth
patent: 4827737 (1989-05-01), Oda et al.
patent: 4884410 (1989-12-01), Bell et al.
patent: 5644855 (1997-07-01), McDermott et al.
patent: 5704967 (1998-01-01), Tom et al.
patent: 6212904 (2001-04-01), Arkharov et al.
patent: 6990818 (2006-01-01), Hofmann
patent: 05-223379 (1992-02-01), None

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