Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface
Patent
1993-08-06
1995-04-04
Hepperle, Stephen M.
Fluid handling
Line condition change responsive valves
With separate connected fluid reactor surface
137505, 13750546, 1375133, G05D 1602
Patent
active
054028205
ABSTRACT:
A stabilizer for fluid pressure regulators enhancing regulator stability without affecting the regulator capacity. A stabilizer cartridge with a flexible flapper element has three flapper apertures symmetrically located around the flapper outer perimeter. Each aperture is centered within a window of the stabilizer. Means are provided to mount the stabilizer in proper location and orientation of the apertures within the regulator lower casing throat to sense downstream pressure without affecting regulator capacity.
REFERENCES:
patent: 3032054 (1962-05-01), Irwin
patent: 3786722 (1974-01-01), Machek
patent: 4782850 (1988-11-01), Duffy et al.
Fisher Controls Type 627R, Self-Operated Pressure Reducing Regulators, Bulletin 71.1:627, May 1990, pp. 1-4.
Bonzer William J.
Duffy John W.
Kehoe Steven D.
Scott Gary L.
Fisher Controls International Inc.
Hepperle Stephen M.
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