Hydraulic pressure control valve

Details Hydraulic pressure control valve Hydraulic pressure control valve

1991-08-02

1992-07-28

Cohan, Alan

Fluid handling

Systems

Multi-way valve unit

91375, 91375A, F16K 11076, F15B 1304

Patent

active

051333848

ABSTRACT:
A hydraulic pressure control valve, wherein a valve body having six oil grooves on its outer periphery at specified intervals is rotatably disposed in a cylindrical casing having six oil grooves on its inner periphery at specified intervals, and throttles are constructed on both sides of the respective oil grooves, thereby two throttling units each of which consisting of six throttles, are constructed and respective two throttles facing to each other in the radial direction among respective six throttles constructing respective throttling units have regions in which throttle areas do not substantially change until the relative angular displacement between the valve body and the casing reaches a predetermined magnitude.

REFERENCES:
patent: 3591136 (1971-07-01), Bishop
patent: 4924910 (1990-05-01), Tabata et al.
SAE Technical Paper 880706 Feb. 29-Mar. 4, 1988.

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