Flow passages for control valves

Details Flow passages for control valves Flow passages for control valves

1992-02-24

1993-12-28

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

91375R, 91375A, F15B 1316

Patent

active

052730727

ABSTRACT:
The present invention is directed to providing an improved control valve having input and return flow passages that are hydraulically-balanced by virtue of each having a similar flow configuration for fluid flow therethrough. The input and return flow passages are formed to define input and return flow control orifices, respectively, configured for minimizing the possibility of the jet flow issuing from either input or return flow control orifices from impinging upon a surface in juxtaposition to the flow control orifice itself. Thus, the possibility of partial "flow back" into the flow control orifice is eliminated which, in turn, also prevents any significant reduction in the flow control orifice area.

REFERENCES:
patent: 4460016 (1984-07-01), Haga
patent: 4561516 (1985-12-01), Bishop et al.
patent: 4624283 (1986-11-01), Futaba
patent: 4924910 (1990-05-01), Tabata

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