Ambient air cooling system

Refrigeration – Automatic control – Of external fluid or means

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Details

62203, 62332, 62409, 62412, 165 16, 236 49, F25D 1700

Patent

active

042441935

ABSTRACT:
Apparatus for utilizing ambient air to provide supplemental cooling of a refrigerated enclosure in combination with a mechanical refrigeration system. Initial pull down of the temperature in a refrigerated enclosure to an intermediate temperature level is accomplished by a mechanical refrigeration system, or by an ambient air system in combination therewith. Cooling of the enclosure to a predetermined, low temperature level is achieved by actuating fans in response to the sensing of an outdoor temperature at or below a predetermined temperature level to draw relatively cool ambient air into the enclosure.

REFERENCES:
patent: 2216873 (1940-10-01), Browne
patent: 2474048 (1949-06-01), Greenlee
patent: 2488518 (1949-11-01), Zucker
patent: 3982583 (1976-09-01), Shavit
patent: 4023947 (1977-05-01), Ferry
patent: 4147038 (1979-04-01), Hoebing et al.
patent: 4175401 (1979-11-01), McManus

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