Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1988-06-03
1990-02-06
Oberleitner, Robert J.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303114, B60T 842
Patent
active
048984337
ABSTRACT:
A brake pressure modulator for a brake skid-controlled brake system for automotive vehicles is disclosed including a volume take-up device including a plunger disposed in a cylindrical chamber and preloaded by a spring into the cylindrical chamber. The plunger is closely guided out of the cylindrical chamber to the outside and is connected to a driving mechanism which upon occurrence of a brake skid signal at least in part pulls the plunger out of the cylindrical chamber to expand the volume thereof and to thereby decrease the brake pressure. Provided between the driving mechanism and the plunger is a gear of a transmission ratio variable depending on the plunger position.
REFERENCES:
patent: 3741612 (1973-06-01), Ando
patent: 4715665 (1987-12-01), Ostwald
patent: 4726549 (1988-02-01), Dittner et al.
patent: 4765689 (1988-08-01), Rudiger et al.
patent: 4765690 (1988-08-01), Rudiger et al.
Alfred Teves GmbH
Graham Matthew C.
Oberleitner Robert J.
Seitter Robert P.
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