Braking device for a motor vehicle

Details Braking device for a motor vehicle Braking device for a motor vehicle

2005-09-08

2008-09-02

Williams, Thomas J (Department: 3683)

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

C303S114300, C188S357000

Reexamination Certificate

active

07419227

ABSTRACT:
A braking device for a motor vehicle having a first brake circuit (10) with a master cylinder (11) controlled by a brake pedal (12), a second brake circuit (20) with at least one pump (27) that is controlled by a computer (C), and a pedal travel simulation mechanism (40). The simulation mechanism (40) includes a solenoid valve (41) that is mounted in a pipe (42) connected to a hydraulic fluid storage chamber (43) and controlled by the computer (C) so as to allow the brake fluid to flow toward the chamber (43) when the second brake circuit (20) is active and when the driver presses on the brake pedal. The pipe (42) is also connected to another pipe (44) in which hydraulic fluid is displaced by a first part (45) of a control rod connected to the brake pedal (12) and second part (46) associated with the master cylinder (11).

REFERENCES:
patent: 5567021 (1996-10-01), Gaillard
patent: 7063393 (2006-06-01), Suzuki et al.
patent: 7188913 (2007-03-01), Yokoyama et al.
patent: 2004/0041466 (2004-03-01), Giers
patent: 2005/0231027 (2005-10-01), Giering et al.
patent: 2006/0186729 (2006-08-01), Lehmann et al.
patent: 2006/0186733 (2006-08-01), Drumm

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