Patent ID: 6336467
Filing Date: 2002-01-08
Classification: F15B,Y10T

Abstract:
A float and valve assembly for a liquid-gas accumulator having a housing with a top gas port and a bottom liquid port, a gas charging valve positioned in the top port for admission of high pressure gas, a sleeve releasably connected in the liquid port and including a valve seat, said float and valve assembly comprisingsaid sleeve including a vertically extending bore, a poppet valve element coacting with the seat for opening and closing the liquid port and including a stem longitudinally movable in a vertical support in the bore, spring means positioned between the sleeve and the bottom of the poppet valve element yieldably urging the valve to the open position, and a buoyant float rigidly connected only to the poppet valve element for controlling the opening and closing of the valve in response to the level of liquid in the housing, said accumulator having a working pressure above 3000 psi and said float having a density greater than 44 pounds per cubic feet selected to be sufficient to avoid failure at the working pressure.