Refrigerator

Details Refrigerator Refrigerator

1998-02-27

1999-11-09

Capossela, Ronald

Refrigeration

Cryogenic treatment of gas or gas mixture

Liquefaction

62 511, F25B 1900

Patent

active

059791764

ABSTRACT:
A refrigerator for cooling a sample (16,17) comprising a reservoir (1) for storing gaseous .sup.4 He when in use; a cooler (13) for cooling gaseous .sup.4 He from the reservoir; and a helium vessel (18,19) for containing .sup.4 He, the .sup.4 He in the helium vessel being in fluid communication with the reservoir (1) via the cooler (13). The sample (16,17) is mounted, in use, in thermal contact with the .sup.4 He in the helium vessel whereby the .sup.4 He in the helium vessel provides a path for heat to transfer from the sample to the cooler.

REFERENCES:
patent: 2982106 (1961-05-01), Ambler
patent: 4510771 (1985-04-01), Matsuda et al.
patent: 4689439 (1987-08-01), Sato
patent: 4891951 (1990-01-01), Ishibashi
patent: 4956976 (1990-09-01), Kral et al.
patent: 5410286 (1995-04-01), Herd et al.
Patent Abstracts of Japan, vol. 008, No. 095 (E-242), May 2, 1984 & JP 59 013308 A (Tokyo Shibaura Denki KK), Jan. 24, 1984.
Patent Abstracts of Japan, vol. 011, No. 041 (E-478), Feb. 6, 1987 & JP 61 208206 A (Mitsubishi Electric Corp.), Sep. 16, 1986.

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