Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface
Reexamination Certificate
2006-11-17
2009-10-13
Hepperle, Stephen (Department: 3753)
Fluid handling
Line condition change responsive valves
With separate connected fluid reactor surface
C137S505410
Reexamination Certificate
active
07600529
ABSTRACT:
Gas pressure regulator valve adapted to a household appliance for the supply of a flow of NG or LPG gas that comprises a valve body (11) with an inlet conduit (12), an outlet conduit (13) of the gas at a nominal pressure, a pressurised chamber (14) connecting both conduits through a regulation valve (39,40), a diaphragm (22) connected to the valve member (39), a closure cap (26) and means (26-29,19,23,35) for the adjusting of the nominal pressure for NG or LPG gas. The adjusting means include a prestressed adjusting screw (35) on the diaphragm (22), a guide means (28) of the rotation on the cap (26) and a stopper means of the rotation on the body (11). The pressure value is adjusted by the rotation of the cap between two positions.
REFERENCES:
patent: 1286397 (1918-12-01), Olsen
patent: 3747629 (1973-07-01), Bauman
patent: 4637429 (1987-01-01), Dietiker et al.
patent: 5988204 (1999-11-01), Reinhardt et al.
Berenbaum Weinshienk PC
Coprecitec, S.L.
Hepperle Stephen
Kitchen Tim L.
Scull Peter B.
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