EXHAUST SYSTEM FOR A MOTOR VEHICLE AND PROCESS FOR REGENERATING A PARTICULATE FILTER IN AN AUTOMOTIVE EXHAUST SYSTEM
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United States of America Patent
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Issued Date -
Sep 3, 2009
app pub date -
Nov 30, 2006
filing date -
Dec 29, 2005
priority date (Note) -
Abandoned
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Abstract
An exhaust system for a motor vehicle comprises a particulate filter, upstream of which an oxidation catalyst is provided, and a regeneration device for the particulate filter. The regeneration device includes an evaporation unit for introducing a vapour generated from an oxidizable fluid into the exhaust gas stream before the oxidation catalyst. The evaporation unit includes a heating element arranged in a housing and a fluid supply with a controllable fluid pump. A control device controls the fluid pump. This invention furthermore relates to a process for regenerating a particulate filter.
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