Patent ID: 9518446
Filing Date: 2016-12-13
CPC Classification: E21B,F16K

Claim Text:
1. A ball valve, comprising: a body defining a first valve port and a second valve port circumferentially offset from each other on the body by a first angular distance; a valve member positioned within the body and rotatable about a central axis, the valve member defining an inlet port and first and second outlet ports extending perpendicularly from the central axis, wherein the valve member is rotatable about the central axis between a closed position, where the first and second outlet ports are misaligned with the first and second valve ports, and an open position, where first and second outlet ports are aligned with the first and second valve ports; a first sealing element mounted within a first annular groove defined on the valve member, and a second sealing element mounted within a second annular groove defined on the valve member, the first and second sealing elements being circumferentially offset from each other on the valve member by the first angular distance and circumferentially offset from the first and second outlet ports by a second angular distance; and a first seal system positioned within the first valve port and a second seal system positioned within the second valve port, the first and second seal systems each including a valve seat engageable with the first and second sealing elements, a boost piston arranged within a cavity defined at least in part by the valve seat, and a bias spring engageable with the valve seat.