Patent ID: 7036329

Claim:
An air conditioning system for a vehicle having an engine comprising: a variable displacement compressor ( 12 ) for compressing a refrigerant, a condenser ( 14 ) for condensing the refrigerant, an evaporator ( 16 ) for evaporating the refrigerant, a discharge fluid line ( 18 ) interconnecting the compressor ( 12 ) and said condenser ( 14 ), a liquid fluid line ( 20 ) interconnecting said condenser ( 14 ) and said evaporator ( 16 ), a suction fluid line ( 22 ) interconnecting said evaporator ( 16 ) and said compressor ( 12 ), and characterized by a controller for sequencing said compressor ( 12 ) in response to the engine being in initial operation for a predetermined number of engine minutes and in response to an air conditioning on signal to reduce the output of said compressor ( 12 ) for a predetermined number of seconds and to increase the output of said compressor ( 12 ) for a predetermined number of air-conditioning minutes.