Braking hydraulic pressure control device

Details Braking hydraulic pressure control device Braking hydraulic pressure control device

1991-01-11

1992-11-24

Graham, Matthew C.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

3031162, B60T 844

Patent

active

051657643

ABSTRACT:
A braking hydraulic pressure control device includes an antilock control system and a traction control system in integrally combined form. A first valve unit for preventing liquid returning is included in a hydraulic pressure master path extending from a master cylinder to a wheel cylinder of a driving wheel, a second valve unit is provided for maintaining the internal hydraulic pressure of the wheel cylinder, a hydraulic pressure return path from the wheel cylinder is connected through a third valve unit to the inlet side of the first valve unit, and a hydraulic pressure auxiliary path for supply of a braking liquid is connected to the inlet side of the second valve unit included in the hydraulic pressure master path.

REFERENCES:
patent: 4861118 (1989-08-01), Burckhardt et al.
patent: 4865399 (1989-09-01), Atkins et al.
patent: 5013097 (1991-05-01), Gutzeit et al.

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