Patent ID: 6898946
Filing Date: 2005-05-31
Classification: B60H,F25B

Abstract:
1. A vehicle air-conditioning system comprising: a front seat air-conditioning unit for air-conditioning a front seat side in a passenger compartment, said front seat air-conditioning unit comprising a front seat evaporator, front seat evaporator temperature sensor means for sensing a temperature at said front seat evaporator, and a front seat air blower for blowing air into said front seat evaporator; a rear seat air-conditioning unit for air-conditioning a rear seat side in the passenger compartment, said rear seat air-conditioning unit comprising a rear seat evaporator, rear seat evaporator temperature sensor means for sensing a temperature at said rear seat evaporator, and a rear seat air blower for blowing air into said rear seat evaporator, wherein said front seat evaporator and said rear seat evaporator are connected in parallel to each other in a refrigeration cycle, allowing one compressor to circulate a refrigerant through said front seat evaporator and said rear seat evaporator, said compressor allowing its discharge flow rate of the refrigerant to be controlled by an external control signal; and control means for receiving sensor signals from said front seat evaporator temperature sensor means and said rear seat evaporator temperature sensor means to control a discharge flow rate of the refrigerant from said compressor, wherein a discharge flow rate of the refrigerant from said compressor is controlled in accordance with a higher evaporator temperature of temperatures at said front seat evaporator and said rear seat evaporator and a target evaporator temperature.