Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1997-04-25
1999-10-19
Oberleitner, Robert J.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
30312201, 188 111R, B60T 840
Patent
active
059676264
ABSTRACT:
A braking system for automotive vehicles is provided which is designed to minimize the kickback produced in a brake master cylinder and transmitted to a vehicle operator through a brake pedal during braking control or to inform the vehicle operator of generation of the kickback in advance for alleviating the discomfort due to the kickback. The braking system includes a pressure regulating valve which restricts transmission of a pressure variation to the master cylinder from a hydraulic braking circuit during the braking control to reduce the kickback. The braking system may alternatively include a pressure-reducing valve which reduces the hydraulic pressure within the brake master cylinder to decrease a hydraulic reaction force against the pedal effort provided by the vehicle operator when a wheel is approaching or has reached a road-tire adhesion limit for warning the vehicle operator of generation of the kickback in advance.
REFERENCES:
patent: 4708225 (1987-11-01), Feldman et al.
patent: 5004301 (1991-04-01), Yamada et al.
patent: 5058961 (1991-10-01), Mergenthaler et al.
Sawada Mamoru
Terao Hidenori
Denso Corporation
Oberleitner Robert J.
Siconolfi Robert A.
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