Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 7, 2011
Patent Application Number
12090500
Date Filed
October 17, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
An exhaust purifying system for an internal combustion engine is provided with a plurality of DPFs (30a and 30b) branched and connected to an exhaust passage (15) for collecting particulate matter in an exhaust gas and an ozone supplier for supplying ozone to the upstream side of each of the plurality of DPFs (30a and 30b). The system respectively changes a ratio of a supply amount of the exhaust gas and a ratio of a supply amount of the ozone between the plurality of DPFs (30a and 30b).
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