Skid-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

303110, 303116, 303119, B60T 832

Patent

active

048283363

ABSTRACT:
A skid-controlled brake system comprising a brake pressure generator connected to which, through pressure fluid conduits, are wheel brakes. The system further includes a hydraulic auxiliary pressure supply system having a hydraulic pump, a pressure compensating and pressure fluid reservoir, a hydraulic accumulator and a pressure limiting valve with wheel sensors and electronic circuits. A disconnecting valve is switched into the pressure fluid path leading from the pressure chamber to the connected wheel brakes. Moreover, one in-flow conduit which terminates in the pressure fluid path leading from the disconnecting valve to the wheel brake is provided. Into this conduit is switched an in-flow valve which, is in communication with the auxiliary pressure source through a supply line. A return conduit is connected to the wheel brakes. In this return line, an outlet valve is provided so that, for the pressure build-up in the wheel brakes, upon actuation of the master cylinder pressure fluid only flows through the disconnecting valves and, during control, only through the in-flow valves. A 3-way/2-position valve is provided in the in-flow conduit which connects the in-flow valves either to the accumulator or to the pressure fluid reservoir.

REFERENCES:
patent: 4362339 (1982-12-01), Belart
patent: 4492413 (1985-01-01), Belart et al.
patent: 4729611 (1988-03-01), Kircher et al.

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