Automatic choke valve

Details Automatic choke valve Automatic choke valve

1983-04-25

1985-01-01

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

F16K 1734

Patent

active

044911483

ABSTRACT:
An automatic storm choke valve having two vertically spaced-apart valve members movable longitudinally within a valve housing to open and close the valve. A pair of vanes pivotally affixed to an upper valve member at its lower end are kept in a preset oblique position by a pair of compression springs, mounted within the upper valve member, allowing a predetermined amount of fluid to pass through the valve. The vanes cause the valve members to rotate responsive to an upward fluid flow within the housing. A pressure equilization chamber affixed below the lower valve member is provided with a compression spring, which in its expanded position tends to keep the valve open.

REFERENCES:
patent: 2447827 (1948-08-01), Turechek
patent: 3714957 (1973-02-01), Schoeffler

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