Cryocooler cold head interface receptacle

Details Cryocooler cold head interface receptacle Cryocooler cold head interface receptacle

1989-05-05

1990-06-05

Capossela, Ronald C.

Refrigeration

Storage of solidified or liquified gas

Including cryostat

62295, 250352, 505892, F25B 1900

Patent

active

049303180

ABSTRACT:
Demountable cryocoller cold heads must make reliable contacts having low thermal resistance at cryogenic temperatures for cooling such devices as radiation shields used in superconducting magnets. Cryostat vacuum and a bellows is utilized in order to engage the cold head second stage interface, while the first stage interface is independently engaged by means of a bolted flange and a bellows. A soft metal such as indium is employed at the contact surfaces of the heat stations.

REFERENCES:
patent: 4241592 (1980-12-01), Tapphorn
patent: 4474036 (1984-10-01), Ball et al.
patent: 4535595 (1985-08-01), Keller et al.
patent: 4537033 (1985-08-01), Kamil
patent: 4565925 (1986-01-01), Anderson
patent: 4696169 (1987-09-01), Niemann et al.
CL Partain, "NMR Imaging", 1983, Chap. 9, pp. 115-127, published by W. B. Saunders Co., Chpt. by C. E. Roos et al., See p. 128, FIGS. 9-10.

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