Automatic operation control method of a refrigerator

Details Automatic operation control method of a refrigerator Automatic operation control method of a refrigerator

1992-06-08

1993-07-20

Tanner, Harry B.

Refrigeration

Processes

Defrosting or frost inhibiting

62153, 62162, 62163, 62186, 62229, 62131, F25D 2100, F25B 4900

Patent

active

052283003

ABSTRACT:
An automatic operation control method automatically controls the temperature setting of a chamber, the defrost cycling and the operation of a compressor and a fan motor according to the door open/close frequency and open time. The defrost cycling is operated during a predetermined time period or an auxiliary time period according to the usage frequency of a refrigerator and the door open time before entering into the defrost cycle while being started after dropping the chamber temperature according to the current state of a temperature adjuster and the average value of the chamber temperature. The operation of a compressor and a fan motor is retarded to prevent the chamber temperature from increasing after the completion of the defrost cycling, thereby minimizing the temperature change of the chamber to protect the stored food.

REFERENCES:
patent: 4297852 (1981-11-01), Brooks
patent: 4327556 (1982-05-01), Zampini et al.
patent: 4481785 (1984-11-01), Tershak et al.
patent: 5003785 (1991-04-01), Petri et al.
patent: 5065587 (1991-11-01), Howland et al.

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