Fluid flow control device

Details Fluid flow control device Fluid flow control device

1992-04-09

1993-08-03

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

137517, 137859, F16K 1514

Patent

active

052320120

ABSTRACT:
A spaced apart apertured dual diaphragm fluid flow control device utilizes one flexible overcenter diaphragm to sense a variance flow condition and flex over center into engagement with the other diaphragm where cooperative apertures in the diaphragms cut off or regulate fluid flow through the device. Electrical circuit means are provided for an operational signal.

REFERENCES:
patent: 2219408 (1940-10-01), Benz
patent: 2615675 (1952-10-01), Mellert
patent: 2646063 (1953-07-01), Hayes
patent: 2767734 (1956-10-01), Anderson
patent: 3367363 (1968-01-01), Hoffman
patent: 3659625 (1972-05-01), Coiner et al.

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