Filter element
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United States of America Patent
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-
Nov 4, 2008
Grant Date -
Aug 16, 2007
app pub date -
Jan 26, 2007
filing date -
Aug 5, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A filter element for removing material that is entrained in a gas stream comprises a wall of a filtration medium which defines a hollow space, for a gas stream to flow from the space through the wall. The filter element includes an end cap having an inlet tube for a gas stream to be supplied to the space. The tube has at least one helically extending rifle formation in its internal wall by which a helical flow is imparted to the gas stream when it leaves the tube.
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