Patent ID: 6351957
Filing Date: 2002-03-05
Classification: B60H,B60L,F25B,Y02T

Abstract:
An air conditioning system for use in a motor vehicle powered by an internal combustion engine, comprising:an electric motor powered by a battery; a compressor arranged to be powered by at least one of the internal combustion engine and said electric motor; and a control unit that controls the driving of said compressor, said control unit being configured to execute: driving said compressor by only said electric motor when the combustion engine is under an idling stop; restarting said combustion engine upon expiration of a first given time from the time when the idling stop has occurred, so that thereafter said compressor is driven by both said combustion engine and said electric motor; and stopping the driving of the compressor by said electric motor upon expiration of a second given time from the restarting of said combustion engine, so that thereafter said compressor is driven by only said combustion engine.