Ambient air freezing system and process therefor

Refrigeration – Processes – Reducing pressure on compressed gas

Patent

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Details

62402, F25D 900, F25B 900

Patent

active

055687318

ABSTRACT:
An ambient air freezing system for producing chilled air in the cryogenic range of -120.degree. C. to -180.degree. C. without the use of cryogenic chemicals or other refrigerants.

REFERENCES:
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patent: 4326388 (1982-04-01), McFee
patent: 4445639 (1984-05-01), Kinsell et al.
patent: 5017682 (1992-04-01), Cosby
patent: 5150585 (1992-09-01), Markiewicz
patent: 5373707 (1994-12-01), Ostersetzer et al.
patent: 5438845 (1995-08-01), Kirschner et al.

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