Zf Friedrichshafen Ag

Bruno Walter

Werner Wolfgang

Notker Amann

Johannes Sorg

Robert Januschevski

Hubert Hund

Thomas R&ouml;sch

A steering system for tracked vehicles having two brake circuits which is activated after a failure of the primary steering mechanism. The steering system includes a steering switch (L) that can be controlled by a steering axle which, in the event of primary steering system failure, acts upon the brakes of the vehicle in such a manner that rotation of the steering axle results in a braking action upon a track on the inside of a curve.

Steering system for tracked vehicles

The invention concerns a drive unit for a tracked vehicle with a first and a second electric generator ( ) and with a first and a second internal combustion engine ( ), such that one generator ( ) can be driven respectively by one combustion engine ( ), and with electric drive motors ( ) for driving a right-hand and a left-hand drive track ( ). According to the invention it is proposed that the elements of the drive unit are linked in such manner that the right-hand drive track ( ) is associated with first and second right-hand electric drive motors ( ), the left-hand drive track ( ) is associated with first and second left-hand electric drive motors ( ), the two first drive motors ( ) being fed by the first generator ( ) and the two second drive motors ( ) being fed by the second generator ( ). Due to the wiring of the energy paths according to the invention, very great operational security is achieved even when the drive unit is partially damaged.

Drive unit for a Track-laying vehicle

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Tettnang, Germany

Bruno Walter