Daimler Chrysler Ag

Lothar Welter

Hans-Christoph Wolf

Jurgen Schenk

Udo Weist

In an air supply arrangement for an internal combustion engine, particularly for motor vehicles having devices for cooling the engine and for supplying exhaust gas secondary air to the exhaust system of the engine, a single air pump driven by an electric motor is provided for supplying air to the engine cooling system and to the exhaust system and devices for switching the air flow supplied by the air pump to either the engine cooling system or the engine exhaust system are provided. A control unit is also provided which controls the electric motor depending on the amount and pressure of the air needed for the cooling system and the engine exhaust system.

Growing community of inventors

Ostfildern, Germany

Lothar Welter