Diaphragm valve

Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface

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Details

123139AW, G05D 701

Patent

active

041619617

ABSTRACT:
A diaphragm valve which may serve as an equal pressure valve or as a pressure equalizing valve of a fuel metering and distributing unit for an externally ignited internal combustion engine. The valve has a flexible diaphragm having a clamped diameter and a pocket in the diaphragm supports a valve plate. The valve plate operatively cooperates with a valve seat of the valve and has an annular recess arranged to receive a spring to center the valve plate. The valve also includes a stationary thrust plate which is concentrically disposed relative to the valve seat, which defines a knife-shaped edge which lies in a common plane with the valve seat and which operatively cooperates with the valve plate. The knife-shaped edge is penetrated by a plurality of radially extending means defining openings therein.

REFERENCES:
patent: 3508576 (1970-04-01), Gross
patent: 3999528 (1976-12-01), Knapp et al.

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