Gas-cylinder relief valve

Details Gas-cylinder relief valve Gas-cylinder relief valve

1990-09-14

1991-08-06

Hepperle, Stephen M.

Fluid handling

Line condition change responsive valves

Bi-directional flow valves

13750525, 13761419, F16K 1704

Patent

active

050368788

ABSTRACT:
The relief valve is designed so as to make it possible for a cylinder to be filled with a gas and to enable this gas to be drawn off at a relatively low and stabilized pressure. In order to make the filling possible through the pressure-relief device, the relieving piston (34) has a bypass pipe (52) passing through it and is linked on the upstream side and on the downstream side with two valves (18) and (28) which enable the cylinder to be filled.

REFERENCES:
patent: 2162096 (1939-06-01), Marmorek
patent: 2969081 (1961-01-01), Pipes
patent: 3911988 (1975-10-01), Richards
patent: 3978880, Crown et al.
patent: 4008716 (1977-02-01), Amlong
patent: 4099538 (1978-07-01), Curtis

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