Heat exchange – Movable heating or cooling surface – Rotary drum
Patent
1983-05-06
1985-04-09
Hart, Douglas
Heat exchange
Movable heating or cooling surface
Rotary drum
62163, 62211, 62213, 62229, 165 64, 165 65, 236 91F, F25B 2900, F25B 4100, G05D 2300
Patent
active
045095868
ABSTRACT:
A refrigerating apparatus adapted for storage of cold storage goods as well as frozen goods and having both a heater and a cooler is controlled by an improved temperature control device, which includes a detector for detecting a temperature of return air from the interior of a storage area of the refrigerating apparatus and a detector for detecting a temperature of an air output which is blown into the interior of the storage area, and which controls either the higher one of the two detected temperatures or the lower one of the two detected temperatures depending upon a set temperature. In the case of storing cold storage goods, the lower one of the two detected temperatures is controlled so as to be maintained at the set temperature, whereas in the case of storing frozen goods, the higher one of the two detected temperatures is controlled so as to be maintained at the set temperature.
REFERENCES:
patent: 3692100 (1972-09-01), Gallagher, Jr.
patent: 3745778 (1973-07-01), Attridge, Jr.
patent: 3973618 (1976-08-01), Naley et al.
patent: 4003728 (1977-01-01), Rath
patent: 4021213 (1977-05-01), Neidhardt et al.
Hart Douglas
Mitsubishi Jukogyo Kabushiki Kaisha
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