Automotive HVAC system and method of operating same...

Details Automotive HVAC system and method of operating same... Automotive HVAC system and method of operating same...

2007-10-02

2007-10-02

Jiang, Chen Wen (Department: 3744)

Refrigeration

Automatic control

Humidity sensor

C062S176300, C062S228300

Reexamination Certificate

active

10874090

ABSTRACT:
The present invention concerns a method for controlling the operation of an automotive HVAC system. The HVAC system includes at least a refrigerant compressor and a refrigerant evaporator. The method includes the steps of calculating an ambient air enthalpy value; comparing the calculated ambient air enthalpy value to at least one predetermined enthalpy value; and selectively changing the operation of the refrigerant compressor based on the comparison.

REFERENCES:
patent: 5299431 (1994-04-01), Iritani et al.
patent: 5355689 (1994-10-01), Hara et al.
patent: 6269650 (2001-08-01), Shaw
patent: 6334325 (2002-01-01), Herpel et al.
patent: 6694764 (2004-02-01), Eckstein et al.

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