Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Morio Kagami0
Yasutoshi Ueda0
Chikayuki Nagata0
Kazutaka Tomimatsu0
Date of Patent
January 8, 2008
0Patent Application Number
105483230
Date Filed
August 26, 2004
0Patent Primary Examiner
Patent abstract
An apparatus, which collects particulate matter contained in a gas flowing through a flow path formed in a cylindrical shape having an outer surface and an inner surface, includes: an outer shell that forms the outer surface of the flow path; a ground electrode that forms the inner surface of the flow path; a filter layer that is arranged between the outer shell and the ground electrode; and a discharge electrode that generates, when a voltage is applied, an ion wind inducing a secondary flow toward the ground electrode in a direction transverse to the flow path. The secondary flow passes through the ground electrode and the filter layer having a predetermined aperture ratio.
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