Pipes and tubular conduits – With pressure compensators – Variable capacity chambers
Patent
1982-01-29
1983-09-13
Marcus, Stephen
Pipes and tubular conduits
With pressure compensators
Variable capacity chambers
F16L 5504
Patent
active
044036299
ABSTRACT:
A liquid-gas accumulator having a housing with a top port and a bottom port. The top port is adapted to receive a gas charging valve. A liquid inlet-outlet valve seat is positioned in the bottom port and a riser tube is coaxially positioned about the valve seat and extends upwardly in the housing. The tube includes one or more fluid openings adjacent the lower end of the tube and positioned above the valve seat. The upper end of the tube is closed but includes an orifice adjacent to the top. A float is positioned in the tube having a valve element for coacting with and seating on the valve seat when liquid is expelled from the accumulator. The orifice is sized to allow gas to enter the tube at a rate which keeps the fluid level in the tube substantially equal to the fluid level in the housing. Preferably, the orifice is adjustable. Either the valve seat or the float may include a coating of sealing material on the valve element. Preferably, the cross-sectional area of the tube is less than the cross-sectional area of the bottom port for removal of the float and tube. Preferably, the valve seat is threadably secured into the bottom port and the tube is threadably secured to and about the valve seat.
REFERENCES:
patent: 949854 (1910-02-01), Staples
patent: 1087227 (1914-02-01), Ferguson
patent: 2290337 (1942-07-01), Knauth
patent: 2742929 (1956-04-01), Treseder
patent: 4193417 (1980-03-01), Bowman et al.
Marcus Stephen
Thronson Mark
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