Adjustable choke for oil and gas industry
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United States of America Patent
Stats
-
Mar 26, 2013
Grant Date -
Nov 3, 2011
app pub date -
Apr 28, 2011
filing date -
Apr 29, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The disclosure provides a choke with an actuator that contains various components within an actuator housing to adjust the choke, and the housing is configured to be fixedly attached with a relatively large shearing connection on an actuator adapter to resist large overpressure surges within the housing and around the components. The actuator further includes a thrust bearing mounted adjacent a shoulder in the housing and supporting a worm gear, so that any overpressure loads are directed to the shoulder of the housing and retained within the housing while the housing is retained by the shearing connection to the remainder of the choke.
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Cited Art Landscape
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