Refrigeration – Automatic control – Preventing – removing or handling atmospheric condensate
Patent
1982-11-18
1985-08-20
Tanner, Harry
Refrigeration
Automatic control
Preventing, removing or handling atmospheric condensate
62156, F25D 2106
Patent
active
045355991
ABSTRACT:
A control device for refrigerating equipment endowed with devices to regulate the temperature and the level of humidity in the refrigerated space utilizing temperature sensors located in the refrigerated space and/or in an evaporator and having at least one compressor.
The control device includes the basic control components for starting and stopping the compressor depending upon the temperature selected by manual control devices and upon the temperature measured by the above-mentioned sensors. It also includes a secondary control unit which is able to start and stop the defrosting of the evaporator depending upon the level of humidity selected by the above-mentioned manual control devices and obtained after a predetermined number of work cycles by the compressor. The control device in accordance with the present invention allows the optimization of the conditions of food conservation in refrigeration equipment, and further enables an increased efficiency and lowered energy consumption of the equipment.
REFERENCES:
patent: 3912913 (1975-10-01), Bunting
patent: 4129993 (1978-12-01), Schotten
patent: 4142375 (1979-03-01), Abe et al.
patent: 4169358 (1979-10-01), Hansen et al.
patent: 4327556 (1982-05-01), Zampini et al.
patent: 4327557 (1982-05-01), Clarke et al.
patent: 4433555 (1984-02-01), Thorsen
Ardit Giuseppe
Besson Duilio
De Marco Claudio
Peruzzo Roberto
Industrie Zanussi S.p.A.
Tanner Harry
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