Control method of defrosting operation of a refrigerator

Details Control method of defrosting operation of a refrigerator Control method of defrosting operation of a refrigerator

1997-09-24

1999-07-20

Tanner, Harry B.

Refrigeration

Automatic control

Preventing, removing or handling atmospheric condensate

62126, 62156, F25B 4702

Patent

active

059242981

ABSTRACT:
A refrigerator includes a defrosting heater. An outdoor air temperature sensor senses a temperature of outside air. A defrosting time period of the heater is set as a function of the outside air temperature. If it is determined that the temperature sensor is inoperative, i.e., if the sensor indicates that the outside air temperature is above 50.degree. C. or below -50.degree. C., the defrosting period which is set is the same, regardless of whether the sensor indicates the outside air temperature to be above 50.degree. C. or below -50.degree. C.

REFERENCES:
patent: 4856287 (1989-08-01), Oike
patent: 5564286 (1996-10-01), Suse

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