Differential pressure fluid flow regulating device

Details Differential pressure fluid flow regulating device Differential pressure fluid flow regulating device

1985-06-13

1986-12-02

Schwadron, Martin P.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

251 86, F16K 1734

Patent

active

046257578

ABSTRACT:
A fluid flow regulating device comprising a housing defining an inlet, an outlet orifice, and a fluid flow passage therein between the inlet and the outlet orifice, a movable piston in the housing having an upstream surface and a downstream surface exposed to fluid flowing through the passage, means for providing a drop in pressure between the upstream surface and the downstream surface as a function of fluid flow rate through the device, and a closure member that is connected to the movable piston and has an externally curved surface that is movable between positions adjacent to and in front of the outlet orifice as the piston moves in response to changes in the magnitude of the drop in pressure.

REFERENCES:
patent: 414509 (1889-11-01), Fisher
patent: 1129763 (1915-02-01), Trojovsky
patent: 2149673 (1939-03-01), Godfrey
patent: 2984261 (1961-05-01), Kates
patent: 2999666 (1961-09-01), Sjogren
patent: 3402735 (1968-09-01), Kates
patent: 3441052 (1969-04-01), Schilling
patent: 3958596 (1976-05-01), Garrard

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