Weirless diaphragm valve

Details Weirless diaphragm valve Weirless diaphragm valve

1989-08-14

1990-09-11

Nilson, Robert G.

Valves and valve actuation

Fluid actuated or retarded

With mechanical movement between actuator and valve

251 634, 251331, F16K 717

Patent

active

049555820

ABSTRACT:
A valve used for controlling the flow of fluid consisting of a housing with coaxial inlet and outlet ports on the opposite side of a conical chamber having an upper terminating flanged surface capable of retaining a flat, elastomeric diaphragm. A conical element having a profile complimentary to that of the conical chamber which, together with a suitable actuator mechanism, is capable of stretching said diaphragm to form a sealing interface between said conical piston and said cavity, thereby, blocking fluid flow between the two ports.

REFERENCES:
patent: 2348083 (1944-05-01), McCabe
patent: 3412974 (1968-11-01), Harris
patent: 3451423 (1969-06-01), Priese
patent: 3666230 (1972-05-01), Pauliukonis
patent: 4609178 (1986-09-01), Baumann
patent: 4819691 (1989-04-01), Lofgren

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