Plural temperature adjustment apparatus for refrigerator

Details Plural temperature adjustment apparatus for refrigerator Plural temperature adjustment apparatus for refrigerator

1992-04-01

1993-07-06

Wayner, William E.

Refrigeration

Automatic control

Refrigeration producer

62231, F25B 100

Patent

active

052243559

ABSTRACT:
The present invention relates to a plural temperature adjustment apparatus for a refrigerator whereby adequate cooling grades are automatically changed based on the temperature changes inside a refrigerator and driving time, and more particularly to a plural temperature adjustment apparatus for a refrigerator whereby prolonged of life time of a compressor, reduction of electric power consumption by way of the control of frequent intermittency of a compressor and the effect of temperature adjustment by timer operation even during blackout can be achieved by adequate control of the present temperatures in a refrigerator detected by a temperature detecting part and appropriate control of compressor drivings based on door open/close status detected at a door open/close detecting part and driving time by a timer when temperatures and driving time according to respective cooling grades randomly set up by the user thru the operation part are inputted into a micro computer.

REFERENCES:
patent: 4835520 (1989-05-01), Aiello

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