Patent ID: 6178760
Filing Date: 2001-01-30
Classification: B60H,B60L,F24F,Y02T

Abstract:
An air conditioner system for an electric vehicle chargeable with an external electric power source and having a refrigeration cycle, comprising:a secondary battery mounted on the vehicle;charge means for charging the secondary battery with the electric power from the external power source;a compressor disposed in the refrigeration cycle and driven electrically with an electric power supplied from one of the secondary battery and the external power source for compressing a refrigerant;an exterior heat exchanger disposed in the refrigeration cycle at a position exterior to a vehicle compartment; andcontrol means for controlling the refrigeration cycle for an air conditioning operation in which the exterior heat exchanger operates as an evaporator in a heating operation, control means being further for controlling the refrigeration cycle to execute a defrosting operation prior to a charging operation of the charge means when a charging of the secondary battery is instructed under a condition that the defrosting operation is required.