Valve

Details Valve Valve

1984-04-25

1985-12-31

Weakley, Harold W.

Valves and valve actuation

Valve head movably connected for accommodation to seat

251 73, 251 77, 251 86, 251114, 137 69, 1375274, F16K 2500

Patent

active

045616302

ABSTRACT:
A valve for sealing off pressurized fluid for an extended period comprises, a body defining a passageway, a closure member in said passageway for closing off the latter against fluid flow, a pivotally mounted arm for maintaining the closure member in its passageway closing off condition, and a catch for releasably retaining the arm in the valve closed position. In one arrangement, the closure member includes a diaphragm which extends across and divides the passageway and is arranged to burst under a sufficient pressure differential, the arm carrying a backing plate which, in its valve closed position is superimpositioned against one face of the diaphragm to prevent it from bursting.

REFERENCES:
patent: 711398 (1902-10-01), Hauson
patent: 1822655 (1931-09-01), Hamilton
patent: 2469831 (1949-05-01), Lewis
patent: 2919884 (1960-01-01), Meusy
patent: 3015337 (1962-01-01), Hookway
patent: 3137474 (1964-06-01), Sodenberg
patent: 3612097 (1971-10-01), Prince
patent: 3647109 (1972-03-01), Hebblethwaite
patent: 4074889 (1978-02-01), Engel
patent: 4294427 (1981-10-01), Cilny

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