Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1989-06-01
1991-07-16
Graham, Matthew C.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
188356, B60T 844
Patent
active
050319710
ABSTRACT:
As an improvement on conventional brake systems of the type having a multiple-chamber vacuum brake force booster, a modification is disclosed to the effect that, in the brake releasing position, there is a pressure medium communication between a booster chamber and a simulator chamber. A modulator chamber requires only one external connection, thereby substantially simplifying the construction of the brake force booster and readily permitting an extension of the system's use to include traction slip control.
REFERENCES:
patent: 3559532 (1971-02-01), Mac Duff
patent: 4630708 (1986-12-01), Takayama et al.
patent: 4653813 (1987-03-01), Burgdorf et al.
patent: 4702531 (1987-10-01), Kircher et al.
patent: 4778225 (1988-10-01), Rudolph et al.
patent: 4828337 (1989-05-01), Wagner et al.
Beilfuss Hans-Juergen
Boehm Peter
Schiel Lothar
Wagner Wilfried
Alfred Teves GmbH
Graham Matthew C.
Lewis J. Gordon
Seitter Robert P.
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