Douwe De Vries
Engineering at Potomac Dr, Houston, TX
License number
Louisiana PE.0011282
Issued Date
Jan 9, 1968
Expiration Date
Sep 30, 2007
Category
Civil Engineer
Address
Address
1418 Potomac Dr, Houston, TX 77057
Professional information
Liquid-Gas Accumulator And Float Valve
US Patent:
4403629, Sep 13, 1983
Filed:
Jan 29, 1982
Appl. No.:
6/344129
Inventors:
Douwe de Vries - Houston TX
International Classification:
F16L 5504
US Classification:
138 31
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.