Control device for a vehicle hydraulic braking system

Fluid-pressure and analogous brake systems – Inertia control

Patent

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Details

303119, B60T 812

Patent

active

043125433

ABSTRACT:
A control device for a vehicle hydraulic braking system which comprises a split system master cylinder, a hydraulic circuit and a plurality of wheel cylinders for respective front and rear wheel, controls fluid pressure applied to the wheel cylinders in response to load subject to corresponding wheels. The control device comprises a load measuring means generating a control signal corresponding to the load subject to the corresponding wheel, a control circuit electrically connected to the load measuring means, and a control valve having means for adjust a force urging a valve member onto a valve seat. The control valves includes a thrusting member movable from a first position in which the valve is opened to connect the inlet port of the valve communicating with the master cylinder through the hydraulic circuit and the outlet port communicates with the wheel cylinder to a second position in which the valve is closed and from the second position to the first position. The means adjusting a force urging the valve on to the valve seat is electrically associated with the control circuit to be controlled and actuated when the load measuring means detects load heavier than that subject the others to increase fluid pressure applied to corresponding wheel cylinder.

REFERENCES:
patent: 3938538 (1976-02-01), Putman et al.

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