Exhaust gas system
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United States of America Patent
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Jun 3, 2008
Grant Date -
Oct 20, 2005
app pub date -
May 23, 2005
filing date -
Nov 22, 2002
priority date (Note) -
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Abstract
An exhaust gas system for converting harmful substances of an exhaust gas of a mobile internal combustion engine includes at least one reducing agent feed, a catalytic converter, a filter element and an exhaust pipe. The reducing agent feed opens into the exhaust pipe upstream of the filter element, while the catalytic converter is disposed downstream of the filter element, as seen in exhaust gas flow direction. Additional components, such as a mixer, a pre-catalytic converter and a heating element, etc. used for purifying exhaust gas, may also be advantageously integrated into the system.
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