Regulating shut off valve

Details Regulating shut off valve Regulating shut off valve

1991-04-30

1992-06-23

Hepperle, Stephen M.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

13750542, G05D 1606, F16K 31145

Patent

active

051234424

ABSTRACT:
A regulating shut off valve for a high pressure gas bottle useful when the pressure within the bottle can be higher than the maximum safe working pressure of a pneumatic system connected thereto. The valve is sized to fit under a standard protective cap when installed on a gas bottle. The valve includes a poppet assembly with a needle that acts with a valve seat so that the poppet assembly can be screwed open to allow gas to pass from the bottle to the system or screwed closed against the seat. The valve seat, which is operatively connected to a spring loaded piston to which system pressure is applied, is responsive to the maximum safe working pressure of the system. When such pressure is present, the valve seat moves against the needle to regulate flow.

REFERENCES:
patent: 168807 (1975-10-01), Taylor
patent: 4064899 (1977-12-01), Lehmann
patent: 4181139 (1980-01-01), Martini
patent: 4655246 (1987-04-01), Phlipot et al.

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