Robert Boschgmbh

Corrado Caruso

Nicola Tristano

Joerg Aschoff

Monika Schefzik

Francesco Onorato

Thorsten Gudehus

Stefan Chittka

Pietro Patano

The invention relates to an automatic parking brake acting on a disk brake and in which the piston of the brake comprises a cavity in which there is a spring () allowing pressure to be applied to the end () of the piston cavity. A washer () is positioned between the inlet () of the cavity and the spring (). A pressing device () allows pressure to be applied to the washer () so that it preloads the spring ().

Automatic parking brake

The invention is a electromechanical locking device for a brake piston of a hydraulically actuated wheel brake. The locking device is disposed at least in some portions in the interior of a hollow-cylindrical brake piston. This interior of the brake piston is filled with hydraulic pressure fluid and in the event of brake actuation is subjected to pressure. The invention includes a filler piece and a coupling element, which reduce the pressure-fluid-filled volume of the brake piston, prevent blocking of the locking device in its terminal positions, and make it possible for the two terminal positions of the locking device to be detected and evaluated by an electronic control unit.

Electromechanical locking device for a brake piston

A method of actuating an automatic parking brake for a vehicle, comprising a spring device, designed to absorb the actuating forces, situated in the actuating mechanism of a brake device. This method comprises at least the following steps: application of a preload to the spring device to a value situated in part IV of the operating characteristic, and adjustment of this preload to a level corresponding at least to a minimum braking force required for the vehicle.

Method of adjusting an automatic parking brake

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Bari, Italy

Corrado Caruso