DRIVE TRAIN FOR A VEHICLE

The invention relates to a drive train (), in particular for a vehicle as an electric vehicle or hybrid vehicle, comprising: an electric machine () for the driving or the traction of the vehicle (); a refrigeration circuit (), which has an air-conditioning compressor (), an evaporator (), a condenser (), and an expansion valve (), for cooling an interior () of the vehicle (); and a drive unit for mechanically driving the air-conditioning compressor (), wherein the electric machine () is mechanically coupled to the air-conditioning compressor () by means of a mechanical compressor coupling element () such that the electric machine () for the driving or the traction of the vehicle () is used additionally to mechanically drive the air-conditioning compressor ().