Annular seal cavity throat bushing
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United States of America Patent
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Aug 23, 2016
Grant Date -
Nov 6, 2014
app pub date -
May 1, 2014
filing date -
May 1, 2013
priority date (Note) -
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Abstract
An annular seal cavity throat bushing includes an inner annular surface having a substantially latitudinal channel with the channel being provided with at least one orifice to allow fluid communication between the inside of the bushing and the outside of the bushing. The bushing is further provided with at least one groove extending substantially longitudinally from one end of the bushing to the channel. The groove has at least one tapered edge which increases the width of the groove along its length.
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