Cryogenic refrigerator having a regenerator with primary and sec

Details Cryogenic refrigerator having a regenerator with primary and sec Cryogenic refrigerator having a regenerator with primary and sec

1988-05-06

1989-07-11

Capossela, Ronald C.

Refrigeration

Gas compression, heat regeneration and expansion, e.g.,...

60520, F25B 900

Patent

active

048468614

ABSTRACT:
A cryogenic refrigerator is disclosed having a displacer with a regenerator therein. The regenerator opens at one end to a warm volume and at the other end to a cold volume. The opening at the cold volume includes an end hole and a plurality of radial holes. The radial holes serve as secondary passageways should the end hole become blocked with contaminants. The life of the cryogenic refrigerator is thereby greatly enchanced.

REFERENCES:
patent: 3218815 (1965-11-01), Chellis et al.
patent: 3303658 (1967-02-01), Chellis
patent: 3877239 (1975-04-01), Leo
patent: 3913339 (1975-10-01), Berry
patent: 3969907 (1976-07-01), Doody
patent: 4078389 (1978-03-01), Bamberg
patent: 4092833 (1978-06-01), Durenec
patent: 4365982 (1983-12-01), Durenec
patent: 4366676 (1983-01-01), Wheatley et al.
patent: 4397156 (1983-08-01), Heisie et al.

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