EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE WITH MIXER FOR A LIQUID REDUCTANT
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United States of America Patent
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Issued Date -
Jun 23, 2016
app pub date -
Dec 10, 2015
filing date -
Dec 10, 2015
priority date (Note) -
Abandoned
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Abstract
An exhaust system for an internal combustion engine includes an injection nozzle for injecting a liquid reductant into exhaust gas streaming through the exhaust system. A mixer is arranged in the exhaust-gas stream for swirling and dispersing the liquid reductant in the exhaust-gas stream. The mixer is provided with a heat-resistant, wear-resistant and corrosion-resistant non-stick coating which is made of a glass or ceramic material to promote rolling off of the reductant. A SCR catalyst is arranged downstream of the mixer for selective catalytic reduction of nitrogen oxides with the aid of the reductant or decomposition products of the reductant.
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