Diaphragm type control valve

Details Diaphragm type control valve Diaphragm type control valve

1985-06-20

1986-09-02

Rosenthal, Arnold

Valves and valve actuation

Mechanical movement actuator

Plural dissimilar mechanical movements

251331, 251251, 74110, 74516, F16K 716, F16K 31524

Patent

active

046091785

ABSTRACT:
Diaphragm type control valve comprising an inert material coated and profiled diaphragm motivated against a shaped valve orifice by a mechanical amplifying mechanism following the command signal of an external controlling device and wherein the combination--profiled diaphragm and shaped valve orifice--is capable of forming an annular flow passage having a smooth entrance and a sharply expanding exit portion thereby reducing pressure recovery of the passing fluid to avoid cavitation.

REFERENCES:
patent: 1125856 (1915-01-01), Mara
patent: 2395223 (1946-02-01), Ingress
patent: 3078066 (1963-02-01), Moore
patent: 4014514 (1977-03-01), Priese et al.
patent: 4265141 (1981-05-01), Bowman
patent: 4270398 (1981-02-01), Arnold

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