Other

Hans-Joachim Faulstroh

Frank Schroeter

Gerhard Kranz

Horst Rosenfeldt

Christoph Klukowski

Matthias Hell

Dorothea Adams

Lothar Koelsch

Eckhard Wendt

Horst Scherk

Elmar Moch

Matthias Renker

Christoph Metz

Hans-Gerhard Kogler

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

A steering spindle ( ) has a thin-walled container ( ) which is filled by an incompressible flowable material ( ). In the event of a crash, the container ( ) is opened up by means of a, for example, pyrotechnic device ( ). As a result, the flowable material ( ) emerges and the container ( ) deforms, whereby the forward vehicle intrusion is uncoupled from the behavior of the steering column.

Steering shaft

A switchable flap valve having at least one valve plate ( ) disposed for pivoting about a longitudinal axis in a housing part ( ) for opening or closing a valve opening ( ) provided in the housing part ( ) in which a strip element ( ) is formed on the upper side of the valve plate ( ) aligned parallel to the longitudinal axis of the valve plate. The surface of the strip element ( ) is inclined toward an adjacent housing wall ( ) or toward a second strip ( ) and forms a hollow channel with the housing wall ( ) or with the strip ( ). The free longitudinal edge ( ) of the strip ( ) is held in a latch mechanism ( ) to maintain the valve plate ( ) in the closed position. In the housing part ( ) at least one opening ( ) communicating with one end of the hollow channel is provided, which also is in communication with a pressure generator ( ) whose actuation introduces pressure into the hollow channel and elastically deforms the strip elements ( ) to release the strip elements from the holders or latches ( ) so that the valve plate ( ) can pivot to the open position.

Switchable flap valve

Growing community of inventors

Schmiechen, Germany

Hans-Joachim Faulstroh