Slip-controlled brake system

Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal

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Details

303113, 605471, B60T 844, B60T 1300

Patent

active

047492406

ABSTRACT:
A slip-controlled brake system for automotive vehicles including provision of a static brake circuit into which pressure fluid out of a dynamic pressure fluid circuit can be introduced during slip control via a multi-directional control valve. The master cylinder assembly connected for this purpose to a hydraulic brake power booster comprises a partition or floating piston designed as a stepped piston and isolating the two working chambers of the master cylinder. The large step of the floating piston is sealingly guided in the master cylinder bore, the working chamber in front of the large step communicating by way of a pressure fluid conduit with the booster chamber and with the brake circuit of the wheel brakes of the rear wheels. In the event of failure of the brake power booster, a return flow of the pressure fluid out of the working chamber of the large step of the floating piston by way of the booster chamber is precluded, since a non-return valve is inserted into the supply line so that in this instance the brake circuit additionally acts as a static brake circuit.

REFERENCES:
patent: 4600243 (1986-07-01), Belart et al.
patent: 4641895 (1987-02-01), Belart et al.
patent: 4645272 (1987-02-01), Leiber

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