Particulate trap with coated fiber layer and exhaust system having the particulate trap
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United States of America Patent
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Jul 26, 2011
Grant Date -
Oct 16, 2008
app pub date -
Jun 24, 2008
filing date -
Dec 5, 2002
priority date (Note) -
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Abstract
An open particulate trap for purifying exhaust gases from mobile internal combustion engines includes at least one at least partially structured metal foil and at least one high-temperature-resistant fiber layer having metal fibers defining the open particulate trap for purifying exhaust gases from mobile internal combustion engines. The fiber layer has a section and, at least in the section, a catalytically active coating being an SCR catalyst. An exhaust system of an automobile internal combustion engine includes an exhaust pipe defining a flow direction and at least the following components disposed in succession in the flow direction: a reducing-agent feed for supplying liquid urea and the particulate trap.
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