Vehicle steering system with flow dividing valve

Details Vehicle steering system with flow dividing valve Vehicle steering system with flow dividing valve

1989-07-17

1991-05-07

Marmor, Charles A.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

180141, B62D 509

Patent

active

050128817

ABSTRACT:
A vehicle steering system includes a front hydraulic actuator for steering front wheels, a rear hydraulic actuator for steering rear wheels, a front control valve of an open center type for controlling the fluid pressure of the front actuator, a rear control valve of the open center type for controlling the fluid pressure of the rear actuator, a common fluid pressure source, and a flow dividing valve for dividing a fluid flow from the common pressure source into two flows directed to the front and rear control valves so that the front and rear control valves of the open center type can control the fluid pressures independently and accurately.

REFERENCES:
patent: 4579186 (1986-04-01), Uno et al.
patent: 4601358 (1986-07-01), Kozuk et al.
patent: 4666013 (1987-05-01), Shibahata et al.
patent: 4679809 (1987-07-01), Ito et al.
patent: 4705131 (1987-11-01), Shibahata et al.
patent: 4740002 (1988-04-01), Miyoshi

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