Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1991-12-04
1993-06-08
Oberleitner, Robert J.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303 967, 303 241, B60T 828
Patent
active
052172872
ABSTRACT:
A brake control system for preventing a rear-wheel lock in an automotive vehicle comprises a fluid pressure control valve controlling a brake fluid pressure distribution between front and rear wheels such that a rear wheel-cylinder brake fluid pressure is kept substantially constant in a range above a critical fluid pressure at which the brake fluid pressure distribution is essentially varied, a longitudinal acceleration sensor for monitoring a deceleration of the vehicle body, and a set of reversible motor and return spring for increasing the critical fluid pressure in accordance with an increase in the deceleration of the vehicle body only when the deceleration is increased.
REFERENCES:
patent: 3871713 (1975-03-01), Lister
patent: 4943123 (1990-07-01), Takeda et al.
patent: 5021957 (1991-06-01), Yoshino et al.
Muratori Alfred
Nissan Motor Co,. Ltd.
Oberleitner Robert J.
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