Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1985-11-21
1987-07-07
Reger, Duane A.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303109, 303114, B60T 802
Patent
active
046782435
ABSTRACT:
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.
REFERENCES:
patent: 3827759 (1974-08-01), Belart
patent: 4033635 (1977-07-01), Montoya
patent: 4285042 (1981-08-01), Ohmori et al.
patent: 4462642 (1984-07-01), Leiber
patent: 4523792 (1985-06-01), Belart et al.
Graham Matthew C.
Greigg Edwin E.
Reger Duane A.
Robert & Bosch GmbH
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