Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Owen Charles Kolstad0
Joanna Louise Williams0
Kartik Ganesan Iyer0
Kerry Allen Delvecchio0
Date of Patent
January 30, 2007
Patent Application Number
10743810
Date Filed
December 24, 2003
Patent Primary Examiner
Patent abstract
A particulate trap has a plurality of filters and an air distributor. The air distributor has an inner tube and an outer tube. Each of the inner and outer tubes have a plurality of openings to allow exhaust flow to the plurality of filters. One of the inner and outer tubes is rotatable to selectively block exhaust flow to at least one of the plurality of filters at a given time.
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