Internal combustion engine for motor vehicle e.g. passenger car, has cooling device that is provided with exhaust line to flow cool air, so as to cool engine main portion, gear box and final drive unit

摘要

The engine (20) has an exhaust gas line (32) that is provided with exhaust line portion (42) to flow exhaust gas of engine main portion. A heat exchange device is arranged in the exhaust line to warm the engine main portion, gear box (24) and final drive unit (28) by operating medium which is heated by heat transition of heat exchange device. A cooling device (70) is provided with exhaust line to flow cool air, so as to cool the engine main portion, gear box and final drive unit.