Gm Global Technolgoy Operations, Inc.

Delphi Technologies, Inc.

Jean Marie L'Huillier

Giles M Brandon

Francois M Bancon

Vincent M Braunschweig

Charles Andrew Archibald

Ernesto Jose Gutierrez

Ronald J Goubeaux

Christopher M Kachur

In a method for the control of the switching on behavior of an air conditioning system having a condenser, an evaporator, an expansion device and a compressor, the stroke of which can be set via a valve, the compressor is driven by a drive via a clutch. The imminent or already accomplished engagement of the clutch is detected as an event by an electronic control system of the air conditioning system. In the method the valve for the control of the stroke of the compressor is actuated in dependence on the event by the control system in order to minimize the torque fluctuations transmitted to the drive.

Method for the control of the switching on and off behavior of an air

In a method for the temperature regulation of an air conditioning system having a condenser, an evaporator, an expansion device and a compressor, the stroke of which can be set via a valve, the temperature in the region of the air outlet of the evaporator is measured and a desired temperature is set by a controlling of the valve. The temperature regulation additionally takes place in dependence on the refrigerant pressure.

Method for regulating the cooling performance of an air conditioning

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Issy les Moulineaux, France

Jean Marie L'Huillier