Control algorithm for vehicle air conditioning system with a var

Details Control algorithm for vehicle air conditioning system with a var Control algorithm for vehicle air conditioning system with a var

1996-08-01

1997-12-09

Tanner, Harry B.

Refrigeration

Automatic control

Responsive to vehicle body motion or traction

622283, 62243, 623234, B60H 300

Patent

active

056947810

ABSTRACT:
The present invention provides a vehicle air conditioning system including a condenser, condenser fan, a variable expansion device, an evaporator, evaporator fan, and a compressor. A processor is provided in cooperation with the compressor for temporarily interrupting compressor operation under certain predetermined operating conditions in order to prevent sticking of the variable expansion device. Various algorithms and initial algorithm engagement parameters are provided for temporarily interrupting compressor operation under certain predetermined operating conditions.

REFERENCES:
patent: 4275688 (1981-06-01), Abe et al.
patent: 4424682 (1984-01-01), Miska et al.
patent: 4510763 (1985-04-01), Johnson
patent: 4596121 (1986-06-01), Ogata
patent: 5457965 (1995-10-01), Blair et al.

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