Cold box

Details Cold box Cold box

1990-08-10

1991-11-19

Tanner, Harry B.

Refrigeration

Automatic control

Of external fluid or means

62186, 62201, 165 10, F25D 1706

Patent

active

050655922

ABSTRACT:
A cold box comprising a freezing room, a cold-heat accumulating agent stored in the freezing room, a commodity storing room divided from the freezing room, an evaporator which forms a freezing cycle together with a compressor, a first air-blowing device for circularly supplying cool air for cooling the cold-heat accumulating agent to the freezing room through the evaporator, a second air-blowing device for circularly supplying cool air for cooling the commodity in the storing room through the cold-heat accumulating agent, and an operation control device for directing the compressor, the first air-blowing device and the second air-blowing device to operate, the operation control device comprising temperature setting device for setting one freezing temperature and one storing temperature, first control device for detecting the temperature of the freezing room and directing the compressor to stop operating when the detected temperature is the set freezing temperature or less, and second control device for detecting the temperature of the storing room and directing the second air-blowing device to stop operating when the detected temperature is the set storing temperature or less.

REFERENCES:
patent: 1954455 (1934-04-01), Morse et al.
patent: 2153696 (1939-04-01), Philipp
patent: 4248291 (1981-02-01), Jarmul
patent: 4587279 (1986-05-01), Salyer et al.

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