Patent ID: 7900466

Claim:
An air-conditioning system for a motor vehicle, comprising: a coolant circuit; a compressor configured to pump coolant through the coolant circuit; a torque-determination unit configured to determine a drive torque required to operate the compressor as a function of one of: (a) a temperature of air that has flowed past an evaporator integrated into the coolant circuit configured to evaporate the coolant and an actuation signal for setting a settable compressor stroke of the compressor; (b) a pressure of the coolant prevailing in the coolant circuit in front of the compressor relative to a flow direction of the coolant and the actuation signal; and (c) the temperature of air that has flowed past the evaporator, the pressure of the coolant prevailing in the coolant circuit in front of the compressor relative to the flow direction of the coolant, and the actuation signal.