Patent ID: 7461514

Claim:
A method for energy management of an air-conditioning unit in a motor vehicle, the air-conditioning unit having a plurality of air-conditioning compressors, comprising: allocating priorities to each of at least two air-conditioning compressors of the air-conditioning unit, determining whether an engine of the motor vehicle is newly started, in the idling mode, or in a full load mode, and therefore an acceleration bit by which the air-conditioning compressors have been switched off is set, executing a conventional air-conditioning unit regulating process when the engine is not newly started, the engine is not in the idling mode, and the engine is not in the full load mode, and actuating the air-conditioning compressors in a priority sequence determined by the priorities allocated, with actuation of each of the air-conditioning compressors being offset by a time, when the engine is newly started, the engine is in the idling mode, or the engine is in the full load mode.