Method of operating a cryogenic cooling device, and a cryogenic

Details Method of operating a cryogenic cooling device, and a cryogenic Method of operating a cryogenic cooling device, and a cryogenic

1997-10-20

1999-03-09

Kilner, Christopher B.

Refrigeration

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

62467, F25B 900

Patent

active

058785809

ABSTRACT:
This invention concerns a method of operating a cryogenic cooling device (1) with a cylinder (4, 5) in which a piston (6, 7) reciprocates and with a gas drive (8, 9) which produces the motion of the piston. In order to reduce the vibrations which occur during operation, the invention proposes that the gas drive (8, 9) is controlled in such a way that the piston (6, 7) is only accelerated for part of the stroke.

REFERENCES:
patent: 3119237 (1964-01-01), Gifford
patent: 3188821 (1965-06-01), Chellis
patent: 3620029 (1971-11-01), Longsworth
patent: 4430863 (1984-02-01), Longsworth
patent: 4528818 (1985-07-01), Baker
patent: 4543793 (1985-10-01), Chellis et al.
patent: 4622823 (1986-11-01), Ishizawa et al.
patent: 4761963 (1988-08-01), Kiese
patent: 4792346 (1988-12-01), Sarcia
patent: 4987743 (1991-01-01), Lobb

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