Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface
Patent
1998-02-24
1999-08-03
Hepperle, Stephen M.
Fluid handling
Line condition change responsive valves
With separate connected fluid reactor surface
13750547, 251 58, G05D 1602
Patent
active
059311886
ABSTRACT:
A gas regulator valve (14) for maintaining a preset low gas pressure in a storage tank (10). A fluid balanced piston valve member (32) is seated in a closed position on seat (40). A diaphragm actuator (70) has a diaphragm (76). A linkage including opposed link arms (106, 108) is positioned between the diaphragm (76) and the piston valve member (32) and a roller (104) supported on link arms (106, 108) contacts the valve member (32) for controlling the movement of the valve member (32) between open and closed positions. The inner upper ends of link arms (106, 108) are pivotally mounted on bracket (94) secured to the housing and the lower outer ends of the link arms (106, 108) are pivotally mounted on opposed brackets (88, 90) secured to the diaphragm (76). An axial movement of the diaphragm (76) of about two inches results in an axial movement of roller (104) and piston valve member (32) of about 0.20 inch to provide a ratio of about ten to one.
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Fisher Controls, S100 Series Gas Service Regulators, Feb. 1974, pp. 1-10, Bulletin 71.1:S100, Fisher Controls Company, Marshalltown, Iowa 50158.
Bush, Esq. Gary L.
Groth Corporation
Hepperle Stephen M.
LandOfFree
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