Refrigeration – Automatic control – Of external fluid or means
Patent
1979-05-24
1981-02-17
Capossela, Ronald C.
Refrigeration
Automatic control
Of external fluid or means
62203, 62332, 62409, 62412, 165 16, 236 49, F25D 1700
Patent
active
042507162
ABSTRACT:
Apparatus for use with refrigerators, particularly of the walk-in cooler type, wherein, when available, low temperature atmospheric air is drawn into the cooler for cooling purposes, rather than utilizing the usual compressor type refrigeration system. The apparatus is mounted within the space to be cooled and utilizes temperature sensing means for automatic operation, and in an embodiment, employs an electric storage battery which would permit extended operation in the event of a power failure.
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patent: 2407036 (1946-09-01), Snavely
patent: 2855839 (1948-10-01), Teigen
patent: 3659432 (1972-05-01), Selhost
patent: 4006606 (1977-02-01), Underdue
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