Patent ID: 6644055
Filing Date: 2003-11-11
Classification: B60H,F25B

Abstract:
A vehicle air conditioning system having a control function of issuing a stop request to a vehicle engine to stop the vehicle engine automatically when the vehicle is stopped, the system comprising:a compressor capable of changes in discharge capacity, the compressor being driven by the vehicle engine; and an evaporator for cooling air to be blown into a passenger compartment, the evaporator being arranged on a suction side of said compressor, wherein: when the vehicle is running, the discharge capacity of the compressor is adjusted to control said evaporator temperature; and when the stop request of the vehicle engine is issued when the vehicle is stopped, the discharge capacity of said compressor is kept at or above a predetermined capacity and said vehicle engine is either stopped or activated depending on the temperature of said evaporator to control an on and off mode of the compressor.