Hydraulic system for feeding a plurality of independent hydrauli

Details Hydraulic system for feeding a plurality of independent hydrauli Hydraulic system for feeding a plurality of independent hydrauli

1977-07-15

1978-12-26

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Having condition responsive control in a system of distinct...

60484, 60548, F16D 3100

Patent

active

041309901

ABSTRACT:
A hydraulic system for feeding a plurality of independent hydraulic servo-operated devices, such as servo-assisted brakes, clutch and/or servo-operated steering, in which a single pump draws fluid from a common reservoir and fluid pressure is automatically distributed by one or more modulating valves to the or each of the devices requiring power at any one time. The or each modulating valve comprises at least one piston in a cylinder, the piston being displaced by an increase in pressure due to displacement of one or more operating member such as brake or clutch pedal, or steering wheel, this controlling the flow of fluid through an axial passage in the piston by controlling its proximity to a valve shutter element and thereby controlling the fluid pressure in a chamber of the modulating valve, which pressure is fed to a control chamber of at least one distributor associated with a servo actuator of one of the servo operated devices of the system whereby to control the operating pressure applied to this.

REFERENCES:
patent: 3199286 (1965-08-01), Anderson
patent: 3941142 (1976-03-01), Adachi et al.

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