Structure for control valve

Details Structure for control valve Structure for control valve

1995-03-13

1996-02-06

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

3031192, F15B 13044

Patent

active

054889731

ABSTRACT:
A structure for a control valve fluidly disposed between a fluid source and a fluid-pressure operated actuator, comprises a valve housing defining therein an axial bore, a stationary valve member press-fitted into the axial bore and having a portion projected out of the axial bore, a solenoid plunger slidably disposed on an outer periphery of the projected portion of the stationary valve member, a fluid flow regulating valve portion formed on the outer periphery of the projected portion of the stationary valve member and the inner periphery of the plunger, for regulating a flow of working fluid passing therethrough to the actuator, a return spring for biasing the plunger in one axial direction; and an electromagnetic solenoid disposed on an outer periphery of the plunger, for axially sliding the plunger against the bias of the biasing means in response to a control signal.

REFERENCES:
patent: 3129724 (1964-04-01), Hartwig
patent: 4396037 (1983-08-01), Wilcox
patent: 4513780 (1985-04-01), Evans
patent: 4917150 (1990-04-01), Koch et al.
patent: 4979542 (1990-12-01), Mesenich
patent: 5221126 (1993-06-01), Inoue
patent: 5251671 (1993-10-01), Hiroki
patent: 5273348 (1993-12-01), Yagi et al.

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