System of controlling refrigerator temperature

Details System of controlling refrigerator temperature System of controlling refrigerator temperature

1986-02-28

1987-05-05

Tanner, Harry

Refrigeration

Automatic control

Refrigeration producer

62229, F25B 100

Patent

active

046621857

ABSTRACT:
The present invention continuously speed-controls an electric motor for driving a compressor for refrigerant compression such that the compressor is driven in its maximum rpm if the difference (temperature deviation) between a target cooling temperature and an actual temperature is greater than a first predetermined value, the compressor is stopped if the temperature deviation is less than a second predetermined value, and the compressor is speed-controlled by a digital control signal if the temperature deviation is between said first and second predetermined values.

REFERENCES:
patent: 4407139 (1983-10-01), Ide et al.
patent: 4467616 (1984-08-01), Kitauchi
patent: 4485634 (1984-12-01), Yasuda et al.

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