초록 ▼

An internal valve for pressurized fluid containment vessels having vessel ports. The valve includes a valve seat associated with the vessel port and a valve member movable between a closed position against the valve seat and an open position wherein fluid can flow through the vessel port. A control

An internal valve for pressurized fluid containment vessels having vessel ports. The valve includes a valve seat associated with the vessel port and a valve member movable between a closed position against the valve seat and an open position wherein fluid can flow through the vessel port. A control chamber positioned in the vessel is connected to the valve member. A motive mechanism acting on or in the control chamber, by a control system outside of the vessel, controllably moves the valve member to at least one of the open or closed positions. The control chamber is sealed from fluid in the vessel by a sealing system, which includes a flexing surface against which fluid pressure in the vessel acts to thereby bias the valve member towards one of the open or closed positions.

대표청구항 ▼

An internal valve for a pressure fluid containment vessel having a vessel port, said internal valve comprising: a valve seat associatable with a vessel port of a pressure fluid containment vessel; a valve member positionable generally inside of the fluid containment vessel and movable between a clos

An internal valve for a pressure fluid containment vessel having a vessel port, said internal valve comprising: a valve seat associatable with a vessel port of a pressure fluid containment vessel; a valve member positionable generally inside of the fluid containment vessel and movable between a closed position against said valve seat to block the flow of fluid relative to the fluid containment vessel through the vessel port and an open position relative to said vessel seat to allow the flow of fluid relative to the fluid containment vessel through the vessel port; a control chamber positionable generally in the fluid containment vessel and connected to said valve member; motive means for acting within said control chamber and thereby moving said valve member to at least one of the open and closed positions; and sealing means including a flexing surface connected to said valve member and positionable relative to the fluid containment vessel such that fluid pressure in the fluid containment vessel acts on said flexing surface and thereby biases said valve member towards at least one of the open and closed positions.