Device for the actuation of a slide valve

Details Device for the actuation of a slide valve Device for the actuation of a slide valve

1983-04-01

1985-05-28

Jones, Larry

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

251 25, 251129, 13762564, 13759616, F16K 3112

Patent

active

045195730

ABSTRACT:
A slide valve, in particular the piston of a switching valve, is actuated in both directions of adjustment by a pressure medium which acts on the annular face and/or the circular face of a regulating piston fixed one-sidedly to the slide valve. The equalization of the differing controlling forces, determined by the different sized surfaces of the regulating piston that are subjected to pressure, is achieved by means of a spring or by an hydraulic counterforce.

REFERENCES:
patent: 3428063 (1969-02-01), Plotkin et al.
patent: 3477466 (1969-11-01), Sturm

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