Vehicle air conditioning system

Details Vehicle air conditioning system Vehicle air conditioning system

2011-07-12

2011-07-12

Jiang, Chen-Wen (Department: 3784)

Refrigeration

Automatic control

Refrigeration producer

C062S176100, C062S176600, C062S244000, C236S04400R

Reexamination Certificate

active

07975496

ABSTRACT:
A vehicle air conditioning system includes a compressor, a condenser, an evaporator, a humidity sensor and a controller. The compressor is configured to compress refrigerant and the condenser is fluidly coupled to the compressor to receive the refrigerant from the compressor. The evaporator is fluidly coupled to the condenser to receive the refrigerant from the condenser and fluidly coupled to the compressor to supply the refrigerant to the compressor. The humidity sensor is positioned proximate the evaporator to detect moisture density of air passing through the evaporator towards a vehicle passenger compartment. The controller is operatively coupled to the humidity sensor and the compressor to cycle the compressor on and off to maintain the moisture density in the air being cooled by the evaporator and sensed by the humidity sensor below a predetermined moisture density threshold.

REFERENCES:
patent: 7165411 (2007-01-01), Eisenhour
patent: 7296621 (2007-11-01), Yonekura et al.
patent: 2008/0066477 (2008-03-01), Aoki et al.
Author N/A, “Efficient A/C Operation Using Dew-point Temperature”, Supercharger, article, Aug. 2008.

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