Sealed valve and related structure

Details Sealed valve and related structure Sealed valve and related structure

1980-07-03

1982-07-06

Spiegel, H. Jay

Valves and valve actuation

Hermetic flexible wall seal for actuator

F16K 3150

Patent

active

RE0309893

ABSTRACT:
A metal diaphragm valve including a multiple ply metal diaphragm structure comprised of a plurality of thin circular metal elements each having a planar annular rim surrounding a dome-shaped interior portion superimposed one on top of another with their annular rims fixed together to seal the hollow interior portion of a valve bonnet. A diaphragm contacting surface including at least two areas of different degrees of curvature, one of which is cruciform in shape, is mounted for axial movement in the valve bonnet. A method of making the metal diaphragm structure and a hermetically sealed valve assembly are also disclosed.

REFERENCES:
patent: 60223 (1866-12-01), Morrill
patent: 1494910 (1924-05-01), Hench
patent: 1631406 (1927-06-01), Eisenhauer
patent: 1749774 (1930-03-01), McKay
patent: 2061028 (1936-11-01), Forbes et al.
patent: 2388046 (1945-10-01), Emrich
patent: 2618458 (1952-11-01), Fosbender
patent: 3126194 (1964-03-01), Franck

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