O catalyst in EGR circuit
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United States of America Patent
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Mar 7, 2017
Grant Date -
Aug 27, 2015
app pub date -
Feb 27, 2015
filing date -
Feb 27, 2014
priority date (Note) -
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Abstract
An exhaust system for an internal combustion engine is disclosed. The exhaust system comprises a particulate filter, one or more NOx reduction catalysts, and a low pressure exhaust gas recirculation (EGR) circuit for connecting the exhaust system downstream of the filter and the one or more NOx reduction catalysts to an intake of the engine. The EGR circuit comprises a N2O-producing catalyst.
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