Compact helium gas-refrigerating and liquefying apparatus

Details Compact helium gas-refrigerating and liquefying apparatus Compact helium gas-refrigerating and liquefying apparatus

1983-12-27

1985-02-12

Capossela, Ronald C.

Refrigeration

Refrigeration producer

Evaporator, e.g., heat exchanger

62402, F25D 900

Patent

active

044983131

ABSTRACT:
A compact helium gas-refrigerating and liquefying apparatus with excellent properties and high reliability is provided. The apparatus comprises: a neon gas-refrigerating and liquefying circuit system which precools helium gas and comprises a turbo type compressor, heat exchangers, turbo type expansion machines and a Joule-Thomson valve; and a helium gas-refrigerating and liquefying circuit system which receives the precooled helium gas and comprises a turbo type compressor, heat exchangers, an expansion turbine and a Joule-Thomson valve; the former circuit system being constructed to associate with the latter circuit system so as to further cool the precooled helium gas in the latter circuit system by heat exchange therewith.

REFERENCES:
patent: 3611740 (1971-10-01), Giger
patent: 3613387 (1971-10-01), Collins
patent: 4189930 (1980-02-01), Davydov et al.
patent: 4346563 (1982-08-01), Hood

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