Refrigeration – Automatic control – Humidity sensor
Reexamination Certificate
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.
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Eustice Harry E.
Nyeholt Christopher C.
Zeng Xin
General Motors Corporation
Jiang Chen Wen
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