Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Roger A. Gale0
Date of Patent
March 9, 2010
0Patent Application Number
116307580
Date Filed
June 22, 2005
0Patent Primary Examiner
Patent abstract
An apparatus for filtering particulate matter from a gas. The apparatus includes at least one tube with a substantially axially located ionizer structure, and a fan for propelling the gas through the at least one tube. The ionizer structure includes a flat blade extending axially along at least a substantial part of the tube and having a saw tooth shape with a high number of sharp teeth placed regularly along the blade edges. The blade is twisted about its own longitudinal centerline to provide rotation for a gas stream flowing along the tube.
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