Motor vehicle braking system with and traction control and/or movement dynamics regulating device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 13, 2000
Grant Date -
N/A
app pub date -
Aug 14, 1998
filing date -
Oct 29, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention is based on a dual-circuit anti-lock vehicle brake system (10) with a tandem master cylinder (12), a switchover valve (14) following the latter, a brake pressure modulation valve assembly (18, 20) that has a brake pressure buildup valve (18) and a brake pressure reduction valve (20) for each wheel brake cylinder (16), and a return pump (24). To enable building up brake pressure rapidly for vehicle dynamics control, the invention proposes one additional pump (28) in each brake circuit (I, II), whose intake side is connected directly to the master cylinder (12) and which feeds in the direction of the wheel brake cylinders (16) connected to to this brake circuit (I, II). As a result, a brake pressure buildup is possible in each wheel brake cylinder (16), even when the master cylinder (12) is not actuated, which buildup can be modulated for individual wheels in a manner known per se.
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