Safety valve

Details Safety valve Safety valve

1993-01-27

1994-03-15

Walton, George L.

Valves and valve actuation

Mechanical movement actuator

Cam

251331, F16K 716, F16K 31524

Patent

active

052940934

ABSTRACT:
A safety valve includes a body, a chamber defined by the body, two conduits leading into the chamber, a first conduit being upstream with respect to the chamber and the other conduit, a sleeve, a spring housed by the sleeve, and a clapper drawn by the spring. The clapper, when drawn, forms a passage between the chamber and one of the conduits.

REFERENCES:
patent: 3081063 (1963-03-01), Seltsam
patent: 3301525 (1967-01-01), Chernak et al.
patent: 4166606 (1979-09-01), Kawolics et al.
patent: 4176686 (1979-12-01), Stahle
patent: 4552336 (1985-11-01), Pastrone
patent: 5029806 (1991-07-01), Huo-Lien et al.
patent: 5103857 (1992-04-01), Kuhn et al.

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