Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 15, 2011
Patent Application Number
11952350
Date Filed
December 7, 2007
Patent Primary Examiner
Patent abstract
An exhaust gas purification device of an internal combustion engine is taught that preferably include a storage tank storing an exhaust gas purification solution that is injected into an exhaust passage of the internal combustion engine, a solution supply line that is constructed to introduce the exhaust gas purification solution from the storage tank to the exhaust passage, a supply pump disposed on the solution supply line, and a gas-liquid selection device. The gas-liquid selection device is constructed to selectively introduce the exhaust gas purification solution and air into the solution supply line.
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