Anti-lock hydraulic brake system

Details Anti-lock hydraulic brake system Anti-lock hydraulic brake system

1994-01-21

1994-10-18

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

303 68, 303 72, 3031191, 303900, 3031151, B60T 842

Patent

active

053562100

ABSTRACT:
An anti-lock hydraulic brake system provides a phase of pressure increase, a phase of pressure decrease as well as a phase in which the pressure is kept constant. To this end, an outlet valve and a selector valve are provided. The selector valve is not connected to the pressure side of the pump as is usual but to the suction side of the pump. This arrangement produces the advantage that the selector valve is disposed in the low-pressure area of the brake system thereby eliminating the occurrence of great pressure surges which result in the emission of noise.

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