High pressure ball-poppet control valve with flow control
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United States of America Patent
Stats
-
May 8, 2007
Grant Date -
Sep 19, 2002
app pub date -
May 8, 2002
filing date -
Mar 16, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A control valve for operating a fluid-actuated device includes a fluid inlet, a fluid outlet and a passage in fluid communication between the fluid inlet and the fluid outlet, the passage defining a longitudinal axis. A valve seat is disposed in the passage and includes an upstream diameter and a downstream diameter, the downstream diameter smaller than the upstream diameter. A ball poppet is positionable in a seated line contact position with the valve seat. The valve seat has a valve seat angle relative to a centerline of the longitudinal axis that is greater than an angle formed by the centerline and a line tangent to the ball poppet at the seated line contact position.
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