Patent ID: 6796367
Filing Date: 2004-09-28
Classification: B60H,Y02T

Abstract:
An auxiliary system for a vehicle having an air conditioning system with an air conditioning compressor with a drive shaft normally driven by a primary engine of the vehicle via an electromagnetic clutch, controlled by air conditioning controls of the vehicle said auxiliary system comprising:an electric motor; a one way clutch and pulley on an output shaft of said electric motor, said one way clutch acting such that rotation of said electric motor output shaft produces rotation of said pulley but rotation of said pulley does not produce rotation of said electric motor output shaft; a pulley mounted directly on the drive shaft of said air conditioning compressor; a drive belt between said pulleys; and control means for engaging said electric motor only when said primary engine is not operating and when air conditioning is called for by air conditioning controls of said vehicle, whereby said electric motor then rotates said one way clutch and pulleys and thereby drives said air conditioner compressor, said control means comprising a power diversion circuitry which routes power from said air conditioning controls of said vehicle to said electromagnetic clutch in normal operation of said vehicle, and away from said electromagnetic clutch and instead to said a means for switching connected to electric motor when said auxiliary system is engaged.