Check valve with self-guided shutter in the valve body

Details Check valve with self-guided shutter in the valve body Check valve with self-guided shutter in the valve body

1987-07-07

1988-08-30

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

13754321, 251358, F16K 1502

Patent

active

047669306

ABSTRACT:
A fluid-delivery check valve is described, in which the body and a sleeve threaded thereon define a chamber with inlet and outlet ports therein. A plate shutter interacts with the valve seat and has peripherically thereof guiding wings which are positioned parallel to the axis of the shutter and slide on the inner surface of the chamber. The specific design of the shutter prevents oblique positioning of the valve stem and simplify the structure and operation of the valve.

REFERENCES:
patent: 2670759 (1954-03-01), St. Clair
patent: 3025874 (1962-03-01), Yocum
patent: 3145724 (1964-08-01), Pelzer
patent: 4244395 (1981-01-01), Griswold

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