Hydraulic braking system for an automotive vehicle

Details Hydraulic braking system for an automotive vehicle Hydraulic braking system for an automotive vehicle

1991-03-28

1992-09-22

Oberleitner, Robert J.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

303 841, 303 87, B60T 834

Patent

active

051491788

ABSTRACT:
A hydraulic braking system for an automotive vehicle having a master cylinder communicated with a wheel brake cylinder through a primary passage, and an anti-skid apparatus including a fluid pump which is disposed in a recirculation passage connected to the primary passage. An orifice is disposed in the recirculation passage on a discharge side of said fluid pump. In parallel with the orifice, a relief valve is disposed. The relief valve permits a flow of a brake fluid from the fluid pump to the primary passage when a differential pressure between the pressures on the upstream side and downstream side of the orifice exceeds a predetermined value. Consequently, a discharge pulsation of the fluid pump is effectively reduced.

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