Apparatus for controlling compressor of automobile air-condition

Details Apparatus for controlling compressor of automobile air-condition Apparatus for controlling compressor of automobile air-condition

1990-06-18

1992-02-18

Tanner, Harry B.

Refrigeration

Automatic control

Refrigeration producer

62158, F25B 4900

Patent

active

050882988

ABSTRACT:
In an apparatus for controlling a variable displacement compressor incorporated in an automobile air-conditioner, the displacement of the compressor is varied with a change in the target cooling temperature. The change rate of the target cooling temperature thus changed is limited to such an extent that a sudden change in displacement of the compressor is prevented to maintain the drivability of an automobile and to change the cooling power of the evaporator gently, thereby keeping a pleasant feeling during the temperature regulating operation. The change rate of the target cooling temperature can be selected from a plurality of predetermined values to meet a current controlling condition so that the reliability of the air-conditioner is improved.

REFERENCES:
patent: 4270361 (1981-06-01), La Barge
patent: 4538422 (1985-09-01), Mount et al.

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