Alfred Teves Gmbh

Olaf Mogwitz

Horst P Becker

A hydraulic brake system for automotive vehicles has a master brake cylinder connected to an unpressurized reservoir and a brake line connected to a working chamber of the master brake cylinder and leading to pressure control valves of a brake slip control device. The pressure control valves are followed by wheel brake cylinders. The working chamber of the master brake cylinder is connectible to a pressure medium source upon the starting of the brake slip control device. The outlet pressure of the pressure medium source lies above the maximum braking pressure achievable by applying the master brake cylinder. The working chamber's front side (away from the first master cylinder piston) is sealed by a second master cylinder piston sealedly arranged within the master cylinder. The second master cylinder piston is sealed relative to the master cylinder by a non-return valve gasket. On the non-return valve gasket's side away from the working chamber an annular chamber is provided between the master cylinder and the second master cylinder piston, the pressure medium source being connected to said annular chamber.

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Glashuetten, Germany

Olaf Mogwitz