Diesel exhaust fluid deposit mitigation
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United States of America Patent
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Jul 17, 2018
Grant Date -
Mar 16, 2017
app pub date -
Nov 28, 2016
filing date -
Oct 14, 2013
priority date (Note) -
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Abstract
One form of the present application is an apparatus including an internal combustion engine structured to produce an exhaust flow, an exhaust system structured to receive the exhaust flow, and a reductant injector structured to inject reductant into a primary passage of the exhaust system upstream of a catalyst. The apparatus further includes an injector passage structured to receive a portion of exhaust upstream of the injector and further structured to flow the exhaust into the primary passage around the injector in a manner such that deposit formation is reduced.
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