Mercedes-benz Aktiengesellschaft

Gerrit Huy

Thomas Rick

Peter Wagner

Siegleif Lenart

Uwe Ernstberger

Ralf Piske

The invention relates to a method for protecting against unauthorized use of a vehicle which has bidirectional communication with a master station, whereby it is possible not only to transmit exclusively a position message of the vehicle to the master station or to transmit exclusively enabling signals to the vehicle from the master station, but also to make the communication appropriate to requirements. The necessary transmission of information is substantially reduced in that the enabling signal is broadcast only when requested by the vehicle. On the other hand, it is still not possible for the enabling to be carried out at the vehicle end only.

Method for protecting vehicles against unauthorized use

An energy accumulator has a flywheel journaled in a flywheel housing and is rotationally symmetrical about its axis is driven. The flywheel rotates about its driven axis and when desired is braked. For the defined braking of the flywheel any wobble of the outer periphery of the flywheel relative to the flywheel housing and/or any radial motion of the flywheel relative to the flywheel housing and/or radial stresses/displacements occurring in the bearings are measured as to magnitude and direction and compared with a threshold value. Only when the threshold value is exceeded is the flywheel braked.

Growing community of inventors

Stuttgart, Germany

Gerrit Huy