Pressure control arrangement for hydraulic brake systems

Details Pressure control arrangement for hydraulic brake systems Pressure control arrangement for hydraulic brake systems

1976-09-22

1978-01-24

Halvosa, George E. A.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

B60T 804

Patent

active

040700690

ABSTRACT:
A pressure control arrangement for hydraulic brake systems including a plunger piston which is sealingly slidable with a bore and which defines a chamber connecting with at least one brake cylinder. The chamber is connected with a brake pressure source through a valve which is kept in the open position by a connection to an auxiliary pressure source which prevents the valve from reaching or maintaining its closing position when the auxiliary pressure has failed. The auxiliary pressure is controllable for effecting an anti-skid control for which purpose the auxiliary pressure source is connected with a control chamber which is opposite the valve chamber connected to at least one wheel brake cylinder through at least one auxiliary valve.

REFERENCES:
patent: 3544171 (1970-12-01), Lester et al.
patent: 3666328 (1972-05-01), Williams
patent: 3682513 (1972-08-01), Oberthur
patent: 3702713 (1972-11-01), Oberthur
patent: 3827761 (1974-08-01), Inada

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