Diaphragm valve with multiple pivot axis valve element

Details Diaphragm valve with multiple pivot axis valve element Diaphragm valve with multiple pivot axis valve element

1980-10-27

1982-06-29

Chambers, A. Michael

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

251 30, 251 87, 251367, F16K 3112, F16K 2500

Patent

active

043369189

ABSTRACT:
A valve comprising a valve housing having a flow passage extending through the valve housing and a cavity communicating with the flow passage, a valve seat in the flow passage, a diaphragm extending across the cavity to define a control chamber on one side of the diaphragm and a valve element for controlling the flow of fluid through the flow passage. The valve element is mounted for pivotal movement about primary and secondary pivotal axes. The opening and closing of the valve element is controlled by the pressure in the control chamber.

REFERENCES:
patent: 2496638 (1950-02-01), Ray
patent: 2686034 (1954-08-01), Rabal
patent: 3386467 (1968-06-01), Katchka
patent: 3460564 (1969-08-01), Taylor et al.
patent: 3476353 (1969-04-01), Stampfli
patent: 3632080 (1972-01-01), King
patent: 4105186 (1978-08-01), Eby
patent: 4226259 (1980-10-01), Szekely et al.

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