Control valve for power cylinder of steering gear

Details Control valve for power cylinder of steering gear Control valve for power cylinder of steering gear

1977-04-07

1978-10-31

Cohan, Alan

Fluid handling

Systems

Multi-way valve unit

91375A, 251229, F15B 91

Patent

active

041228669

ABSTRACT:
Hydraulic control valve with compact radial and axial dimensions for power steering gear in which a hydraulically balanced and centralized valve element is linearly shifted by internal crank elements in response to rotation of an input shaft for controlling actuation of a power cylinder to effect powered left and right steering turns. A valve and seal ring is interposed between two face seals carried by the valve element so that operating fluid is selectively supplied to and exhausted from left and right turn steering lines.

REFERENCES:
patent: 3733967 (1973-05-01), Duffy

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