Hydraulic control device, particularly for power steering

Details Hydraulic control device, particularly for power steering Hydraulic control device, particularly for power steering

1984-02-01

1985-10-29

Garrett, Robert E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Electrical input and feedback signal means

91459, 180132, F01B 2526

Patent

active

045494681

ABSTRACT:
The slide (61) of an electrohydraulic valve (31) delimits two end chambers (57, 58) respectively fed by a control pressure that is a slave to the open or closed state of one of the two solenoid valves (51, 52) controlled by signals processed by an electronic control (50) and the establishment of a state acts on the slide (61) in direction of a throttling of the delivery which causes a feed channel of the valve (31) and a working line (27, 28) from a pump (1) to communicate with the line (70) for connection with the fluid tank (2).

REFERENCES:
patent: 3987702 (1976-10-01), Boss et al.

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