Vent and relief valve

Details Vent and relief valve Vent and relief valve

1974-07-11

1976-03-23

Schwadron, Martin P.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

137488, 137493, F16K 4500, F16K 1700

Patent

active

039453952

ABSTRACT:
A vent and relief valve for a tank containing pressurized fluid such as oxygen or hydrogen characterized in that coaxial vent and relief valve members have interengaged seats to close the vent outlet of the valve, the vent valve member having actuating means associated therewith to disengage said seats to open communication between the interior of the tank and the vent outlet of the valve as during filling of the tank, and the relief valve member being actuated by fluid pressure in the tank exceeding a predetermined value to move said relief valve member to disengage said seats and thereby again establish communication between the interior of the tank and the vent outlet of the valve thus to vent excess fluid pressure.

REFERENCES:
patent: 1156941 (1915-10-01), Stevens
patent: 1821189 (1931-09-01), Meinken et al.
patent: 2288882 (1942-07-01), Binckley
patent: 3228409 (1966-01-01), Godel
patent: 3820560 (1974-06-01), Leemann

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