Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1987-10-22
1989-06-20
Kashnikow, Andres
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303110, 303113, 303116, B60T 832, B60K 2816
Patent
active
048404365
ABSTRACT:
An anti-lock brake system with traction slip control includes a pedal-actuated, auxiliary-force-assisted braking pressure generator having a master cylinder to which the wheel brakes are connected by main brake lines, auxiliary-pressure hydraulic pumps, wheel sensors and electronic circuits for determining the wheel rotational behavior and for generating electric braking-pressure control signals which, for the purpose of brake slip control, serve to control electromagnetically actuatable pressure-fluid inlet valves and outlet valves provided in the pressure-fluid lines. Pistons of the master cylinder include central control valves which, in the brake's release position, open pressure-fluid connections between the pressure-fluid supply reservior and the pressure chambers and which, in the braking position, close the pressure-fluid connections. The brake lines communicate through supply lines with the pumps. Valves are provided in the pressure-fluid lines connecting the master cylinder to the pressure-fluid supply reservoir and prevent return flow of the pressure fluid out of the pressure chambers of the master cylinder when traction slip control is performed.
REFERENCES:
patent: 4578951 (1986-04-01), Belart et al.
patent: 4685747 (1987-08-01), Belart et al.
patent: 4715663 (1987-12-01), Hattori et al.
patent: 4728156 (1988-03-01), Burgdorf et al.
Becker Horst P.
Burgdorf Jochen
Determann Otto
Ocvirk Norbert
Reinartz Hans-Dieter
Alfred Teves GmbH
Kashnikow Andres
Le Mark T.
Raden James B.
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