Spool type fluid control valve

Details Spool type fluid control valve Spool type fluid control valve

1980-01-29

1982-01-12

Rosenthal, Arnold

Fluid handling

Systems

Multi-way valve unit

13762569, 251367, 251DIG1, F16K 324

Patent

active

043100252

ABSTRACT:
A spool type fluid control valve having a body, an elongate bore within the body, ports transverse to and into the bore, and a spool with seals reciprocable in the bore has the improvement of a concave seal pocket in an end of the body, a concave seal pocket in a valve cap at the other end of the body, each pocket is of substantially the same diameter as the bore and has a depth sufficient for receiving a shaft seal, a fluid port is formed between the elongate bore and each seal pocket and a toroidal plenum chamber is in communication with and between each fluid port and a fluid conduit through the body.

REFERENCES:
patent: 3661182 (1972-05-01), Loveless
patent: 3819152 (1974-06-01), Clippard
patent: 4026325 (1977-05-01), Loveless
patent: 4187884 (1980-02-01), Loveless

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