Valve arrangement

Details Valve arrangement Valve arrangement

1989-06-08

1990-06-26

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

F16K 1502

Patent

active

049363271

ABSTRACT:
The valve arrangement comprises a disc engageable with a valve seat without attachment and a resilient diaphragm engageable with the disc without attachment. The disc completely covers a passage surrounded by the valve seat and flowed through by a fluid. On the side remote from the valve seat, the disc has a central protuberance which cooperates with a central thrust surface of the diaphragm. The disc and the diaphragm are freely movable in a recess adapted to be flowed through by the fluid, the recess being present in a guide member extending around the valve seat. The recess has an inwardly projecting step with which the diaphragm edge part is urged into engagement. This arrangement leads to a flat compact valve with minimum dead space.

REFERENCES:
patent: 1998444 (1935-04-01), Clapp
patent: 2754844 (1956-07-01), Blackford
patent: 2800142 (1957-07-01), Champion
patent: 3664371 (1972-05-01), Schneider
patent: 4368755 (1983-01-01), King
patent: 4428464 (1984-01-01), Miura
patent: 4543989 (1985-10-01), Lorson

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