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Vehicle air conditioning system

  • US 6,330,909 B1
  • Filed: 10/20/1999
  • Issued: 12/18/2001
  • Est. Priority Date: 10/23/1998
  • Status: Expired due to Term
First Claim
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1. An air-conditioning system for a vehicle having an engine and a passenger compartment, the system comprising:

  • an evaporator for cooling air to be blown into the passenger compartment;

    a compressor driven by the engine, for compressing and discharging refrigerant having passed through the evaporator; and

    a control unit for controlling air-conditioning state of the passenger compartment, wherein;

    when the engine operates, the control unit performs a cold-storing mode where cold quantity stored in condensed water on the evaporator is increased;

    when the engine stops, the control unit performs a cold-releasing mode where air is cooled by cold released from the condensed water on the evaporator; and

    the control unit sets cooling degree of the evaporator to a low temperature side during the cold-storing mode, as compared with that during the other air-conditioning mode.

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