Brake-pressure reduction means for a motor vehicle

Details Brake-pressure reduction means for a motor vehicle Brake-pressure reduction means for a motor vehicle

1991-11-19

1993-04-27

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

3031192, B60T 832

Patent

active

052056210

ABSTRACT:
A pressure reduction mechanism (10) is installed in a brake circuit of the rear axle of a motor vehicle, comprising a master cylinder (1) and at least one monitoring device, the mechanism executing the brake-pressure reduction only in specific circumstances and comprising a regulating piston (14) sliding sealingly in a bore (13) and stressed by at least one spring (16, 17) in the opening direction of a regulating valve (15). The spring (16, 17) is arranged in a sealed chamber filled with an incompressible fluid, and a solenoid valve (22) controls the opening or closing of communication between the chamber and a reservoir of the fluid under low pressure.

REFERENCES:
patent: 4840434 (1989-06-01), Leiber

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