Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1996-05-28
1997-08-19
Poon, Peter M.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
3031162, 3031171, 303DIG2, B60T 836
Patent
active
056580576
ABSTRACT:
A hydraulic braking apparatus for braking a vehicle wheel, wherein a pressure control valve is disposed between a master cylinder and a wheel brake cylinder, and between a reservoir and a hydraulic pressure source which is independent of the master cylinder and whose pressure is applied as a braking pressure to the wheel brake cylinder for braking the wheel. The pressure control valve controls the braking pressure as a function of the master cylinder pressure which is generated by the master cylinder, depending upon the operating force acting on a brake operating member. An electrically controlled pressure regulating device is provided for applying an electrically controlled force to the pressure control valve, to thereby regulate the braking pressure to be applied to the wheel brake cylinder.
REFERENCES:
patent: 4755008 (1988-07-01), Imoto et al.
patent: 4812777 (1989-03-01), Shirai
patent: 4902075 (1990-02-01), Uno et al.
patent: 5129714 (1992-07-01), Latarnik
patent: 5221129 (1993-06-01), Takasaki
patent: 5273348 (1993-12-01), Yagi et al.
patent: 5333944 (1994-08-01), Shirai et al.
ATE-Bremsen-Handbuch 9.1 Auglage Autohaus Verlag GmbH, Ottobrunn 1998, pp. 223-230.
Evans Mark
Kawahata Fumiaki
Nakamura Kiyoharu
Ohnuma Yutaka
Shirai Kenji
Poon Peter M.
Toyota Jidosha & Kabushiki Kaisha
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