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Eckhard Wendt

Horst Rosenfeldt

Andreas Pohl

Dorothea Adams

Frank Schroeter

Hans-Joachim Faulstroh

Horst Scherk

Klaus B&uuml;sing

A passive force element on the basis of electrorheological liquids includes a piston with a piston rod guided in a cylindrical housing, and a force introduction element connected with the piston rod. The piston forms, in the cylindrical housing, two variable-volume working chambers, which are filled with electrorheological liquids, and which are connected by a fluid connection including a valve arrangement with an electrorheological liquid valve for controlling the throughflow characteristic. A regulated damping characteristic can be adjustedly set and force peaks are avoided, because the force introduction is achieved via the force introduction element, and the piston is coupled onto the force introduction element via an elastic element.

Passive force element on the basis of electrorheologic liquids

The invention relates to a controllable adjustment and damping device comprising at least one pressure chamber ( ) filled with hydraulic fluid, a fluid container ( ), a pump ( ) connecting the pressure chamber to the fluid container, a compensating volume ( ) and a return line ( ) with a passthrough valve ( ). An electro-rheological fluid or magneto-rheological fluid is used as a hydraulic fluid ( ) which exerts pressure upon a piston ( ) that juts out into the pressure chamber or on a membrane ( ), the intensity thereof being controlled by the passthrough valve.

Adjustment and damping device

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Koengen, Germany

Eckhard Wendt