Improvements in hydraulic anti-skid braking systems for vehicles

Details Improvements in hydraulic anti-skid braking systems for vehicles Improvements in hydraulic anti-skid braking systems for vehicles

1987-04-03

1988-02-16

Kashnikow, Andres

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

137508, 303116, B60T 842, B60T 840, F16K 3136

Patent

active

047251042

ABSTRACT:
In an hydraulic anti-skid braking system of the pump and de-boost type operation of the pump is initiated by an operating piston co-operating with the plunger of the pump. There is a danger that fluid trapped in a chamber between adjacent ends of the piston and the plunger by a one-way valve of the pump may cause the pump to operate accidentally. This is prevented by adapting the one-way valve to act as a pressure relief valve and establish a return path from the chamber to a reservoir when the plunger has moved relatively away from the piston through a predetermined distance insufficient for the plunger to co-operate with a drive mechanism.

REFERENCES:
patent: 1139455 (1915-05-01), Gase
patent: 1654602 (1928-01-01), Reynolds
patent: 4401348 (1983-08-01), Farr
patent: 4606585 (1986-08-01), Farr et al.

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