Control valve

Details Control valve Control valve

1980-01-22

1982-02-02

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

251324, F16K 324

Patent

active

043134670

ABSTRACT:
A piston valve construction effects leakage reduction in a control valve for hydraulic steering systems by reducing the wetted circumference of a portion of a piston valve collar with the use of radial recesses therein diverting a portion of flow therefrom to a groove of the piston valve which effects smoothing of turbulence of flow from said recesses followed by flow from said groove through a throttling gap to effect a laminar flow.

REFERENCES:
patent: 3553966 (1971-01-01), Liebert

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