Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1986-01-24
1987-11-24
Kashnikow, Andres
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
605471, 303119, B60T 844, B60T 1300, B60T 836
Patent
active
047084057
ABSTRACT:
A brake pressure generator for a hydraulic brake system for motor vehicles, comprising a booster piston (26) displaceable by a hydraulic auxiliary pressure in the actuating direction, comprising a master cylinder (2) including a stepped piston (36) to which piston pressure can be applied by a booster piston (26). The piston (36) confines a work chamber (48) and a chamber (56) decreasing in size upon movement of the piston in the actuating direction, which chamber (56), by way of a non-return valve, is on communication with the work chamber (48) and from which a conduit leads to a non-pressurized container (168), with the conduit being provided with a control valve (86). To permit employment of the brake pressure generator in slip-controlled systems a slip control is provided comprising a valve (182), by way of which, during slip control, controlled hydraulic auxiliary pressure can be supplied to the chamber (56) decreasing in size upon movement of the piston (36) in the actuating direction. A second chamber increasing in size upon movement of the piston in the actuating direction is confined by piston (36), with the said chamber, by way of a connecting line (142, 136) being in communication with the chamber (56) decreasing in size by the piston movement. A shut-off valve is provided in the connecting line in order to block the enlarging chamber during slip control.
REFERENCES:
patent: 4523791 (1985-06-01), Belart et al.
patent: 4586591 (1986-05-01), Belart
Belart Juan
Ocvirk Norbert
Seibert Wolfram
Alfred Teves GmbH
Kashnikow Andres
Oberleitner Robert J.
Raden James B.
Seitter Robert P.
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