Method of removing heat from a refrigeration load and apparatus

Details Method of removing heat from a refrigeration load and apparatus Method of removing heat from a refrigeration load and apparatus

1986-10-01

1988-04-05

Capossela, Ronald C.

Refrigeration

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

62 3, 60520, F25B 900

Patent

active

047350539

ABSTRACT:
A method for removing heat from a refrigeration load in a cyclically operating Gifford-McMahon refrigeration apparatus, with which in each cycle a compressed cooling gas from a high-pressure inlet is brought into heat contact with a regenerator cooled during the previous cycle and thereby cooled, the cooling gas is subsequently conveyed to a storage volume via the refrigeration load, the cooling gas is then expanded after closure of the high-pressure inlet by opening a low-pressure outlet and thereby cooled, and the cooling gas is partially conveyed by means of a displacer piston from the storage volume to the low-pressure outlet via the refrigeration load and the regenerator, refrigeration capacity hereby being transferred to the refrigeration load and the regenerator hereby being cooled.

REFERENCES:
patent: 3793846 (1974-02-01), Dehne
patent: 3921400 (1975-11-01), Pitcher
patent: 4092833 (1978-06-01), Durenec
patent: 4471625 (1984-09-01), Yasukochi et al.
patent: 4514979 (1985-05-01), Mohr
Haselden; G. G., Cryogenic Fundamentals, Academic Press, London, New York, 971, pp. 74 to 77.
J. Appl. Phys., vol. 49, No. 3, Mar. 1978, pp. 1216 to 1226.
Cryogenics, Oct. 1981, p. 579.
Gifford; W. E., "The Gifford--McMahon Cycle", pp. 152 to 159.
Cryogenics, Aug. 1983, pp. 427 to 432.
Experimental Techniques in Low--Temperature Physics, Clarendon Press, Oxford, 1979, pp. 26 to 29.
Tieftemperaturtechnologie, VDI--Verlag GmbH, 1981, pp. 50 to 54 and 286 to 289.

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