Mercedes-Benz Aktiengesellschaft

Woco Franz-Josef Wolf & Co. Gmbh

Alcatel Sel Aktiengesellschaft

Andrew Ogrissek

Martin Lindmayer

Franz Josef Wolf

Dieter Feichtiger

Dieter Heinle

Walter Decker

Frank Demling

Apparatus for controlling and adjusting an arbitrary number of adjustment units for a motor vehicle includes an electro-pneumatic bus to which are connected in arbitrary sequence, both electrically and pneumatically, all the pertinent adjusting units. The electro-pneumatic bus is composed of at least one pneumatic adjustment pressure line and of at least one electric control signal line which may contain several conductors. While reference data from a central control electronics are applied through the electric control signal line of the electro-pneumatic bus, the individual adjusting units are connected through associated valves in the pneumatic system to the pneumatic adjustment pressure line of the electro-pneumatic bus. The adjusting units preferably are designed to be modular control loops. As a result the pneumatically driven adjusting members units not only two positions, but also they may be set and controlled in quasi-analogue manner.

Electro-pneumatic bus

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Nurnberg, Germany

Andrew Ogrissek