Exhaust treatment apparatus and method
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United States of America Patent
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May 1, 2018
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app pub date -
Sep 22, 2017
filing date -
Sep 17, 2013
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Abstract
The present invention relates to an exhaust treatment apparatus for an internal combustion engine. The apparatus includes a catalyst chamber containing a catalyst. One or more exhaust gas inlets are provided for supplying exhaust gases from the internal combustion engine to the catalyst chamber. An exhaust gas outlet for supplying exhaust gases from the catalyst chamber to a turbocharger. An injection nozzle is provided for introducing a reductant into the exhaust gases between the catalyst and the turbocharger. The reductant and the exhaust gases can undergo mixing as they pass through the turbocharger. The catalyst can have a three-dimensional open structure to facilitate the flow of exhaust gases. The invention also relates to a method of treating exhaust gases from an internal combustion engine.
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