Compression circuit for a low pressure low temperature gaseous f

Details Compression circuit for a low pressure low temperature gaseous f Compression circuit for a low pressure low temperature gaseous f

1992-07-24

1993-11-30

Capossela, Ronald O.

Refrigeration

Using electrical or magnetic effect

Thermoelectric; e.g., peltier effect

62467, F25J 100

Patent

active

052654265

ABSTRACT:
The compression circuit for a gaseous fluid, typically helium, which is present in a first container at a pressure lower than 20 hPa and a temperature lower than 4.2K is compressed by means of a plurality of compressors mounted in series, at least one heat exchanger being disposed in the chain of compressors and cooled through said fluid at a temperature higher than the temperature of the fluid in the first container, said fluid originating from a second fluid container which is associated with a refrigerating cycle. Application for example to devices for cooling supraconductor elements.

REFERENCES:
patent: 3092976 (1963-06-01), Hashemi-Tafreshi
patent: 3645106 (1972-02-01), Gaumer, Jr. et al.
patent: 4267701 (1981-05-01), Toscano
patent: 4444019 (1984-04-01), Arkharov et al.
patent: 4638639 (1987-01-01), Marshall et al.
patent: 4910972 (1990-03-01), Jaster

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