Valve

Details Valve Valve

1983-05-27

1985-04-30

Schwadron, Martin P.

Fluid handling

Destructible or deformable element controlled

Destructible element

137115, 166319, E21B 4312

Patent

active

045137641

ABSTRACT:
A valve which may be run in the open position, then in response to an increase in pressure in the flowway through the valve moved to closed position, and thereafter in response to a differential between pressure within and without the housing of the valve returned to open position.

REFERENCES:
patent: 1884940 (1932-10-01), Whinnen
patent: 3005507 (1961-10-01), Clark, Jr. et al.
patent: 3331378 (1967-07-01), Gibbs et al.
patent: 3378068 (1968-04-01), Page, Jr.
patent: 4434854 (1984-03-01), Vann et al.

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