Vehicle brake-pressure control device for electrohydraulic multi

Details Vehicle brake-pressure control device for electrohydraulic multi Vehicle brake-pressure control device for electrohydraulic multi

1996-11-22

1999-03-30

Graham, Matthew C.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

3031141, 3031152, B60T 826

Patent

active

058879544

ABSTRACT:
A brake-pressure control device is provided for a road vehicle with electrohydraulic multi-circuit brake system. For each wheel brake, a hydraulic servo-cylinder is driven by an electric motor. The servo-cylinders enables certain functions to be implemented, namely spot braking mode, including electronic control of the VA/HA braking force distribution (EBKV); anti-lock braking control (ABS function); traction control (TCS function); and vehicle movement control as a result of automatically controlled increase in brake slip at one or more of the wheels of the vehicle. A desired-value setting unit with a single-circuit master cylinder is provided which, in normal electronically controlled braking mode, serves as a desired-value transmitter and, in the event of failure of the vehicle's electronic system, can be activated as an emergency braking unit for building up brake pressure in the front-wheel brakes.

REFERENCES:
patent: 5150951 (1992-09-01), Leiber et al.
patent: 5152585 (1992-10-01), Patient et al.
patent: 5167441 (1992-12-01), Schonlau et al.
patent: 5246283 (1993-09-01), Shaw et al.
patent: 5302008 (1994-04-01), Miyake et al.
patent: 5312172 (1994-05-01), Takeuchi

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