Brake pressure control device for vehicles

Details Brake pressure control device for vehicles Brake pressure control device for vehicles

1989-05-09

1991-03-05

Olszewski, Robert P.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

303113, B60T 800

Patent

active

049972383

ABSTRACT:
A brake pressure control device for vehicles is arranged in a pipeline connecting a master cylinder (22) and a wheel brake (23) with an electromagnetic directional control valve (24) which is switchable to any one of a plurality of valve positions by electromagnetic force. The electromagnetic directional control valve (24) is switched between a first valve position and a second valve position. Bidirectional flow of fluid is allowed when the electromagnetic directional control valve is in the first valve position. Unidirectional flow of the fluid is allowed but a reverse flow of the fluid is prevented when the electromagnetic directional control valve is in the second valve position.

REFERENCES:
patent: 3617098 (1971-11-01), Leiber
patent: 3857614 (1974-12-01), Kurichh
patent: 4462642 (1984-07-01), Leiber
patent: 4579146 (1986-04-01), Tsuru et al.
patent: 4619289 (1986-10-01), Tsuru et al.
patent: 4685747 (1987-08-01), Belart et al.
patent: 4687259 (1987-08-01), Reinartz et al.
patent: 4738493 (1988-04-01), Inagaki et al.
Japanese Patent Laying-Open Gazette No. 202142/1983, pp. 239 to 242, Laying open date: Nov. 25, 1983.

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