초록 ▼

A method and an apparatus for controlling characteristic curves in a vehicle brake system having a hydraulic brake booster. At least one supplementary piston is incorporated in the output pressure lines forming preferably closed brake circuits of the brake booster, the supplementary piston being tri

A method and an apparatus for controlling characteristic curves in a vehicle brake system having a hydraulic brake booster. At least one supplementary piston is incorporated in the output pressure lines forming preferably closed brake circuits of the brake booster, the supplementary piston being triggered in a regulated manner both for controlling or varying the characteristic curve for anti-skid braking pressure modulation. Optionally, in order to attain predetermined characteristic curve courses, modified travel magnitudes of the brake pedal actuation or of the booster piston are compared with the actual pressure in the brake circuits. The triggering is effected via the magnetic valves.

대표청구항 ▼

An apparatus for controlling and adapting brake pressure in a vehicle brake system, comprising a hydraulic brake booster provided with an associated pedal-actuated brake valve for feeding a pressure medium from a pressure medium supply means to at least one wheel brake cylinder in at least one close

An apparatus for controlling and adapting brake pressure in a vehicle brake system, comprising a hydraulic brake booster provided with an associated pedal-actuated brake valve for feeding a pressure medium from a pressure medium supply means to at least one wheel brake cylinder in at least one closed brake circuit between said brake booster and said at least one wheel brake cylinder, at least one supplementary pump piston being provided in said at least one closed brake circuit between said brake booster and said at least one wheel brake cylinder, said supplementary pump piston being provided with pressure supply and pressure withdrawal lines for regulating its supply of brake pressure and said supplementary pump piston has a pressure supply line for pressurizing said pressure chamber to a booster chamber of the hydraulic brake booster and said supplementary pump piston further has a return line connected via a second magnetic valve to the pressure medium supply means for depressurizing said pressure chamber, and said pressure supply and return lines include throttle means therein.