PROCESS FOR HEATING A SOOT FILTER IN AN EXHAUST GAS SYSTEM OF AN INTERNAL COMBUSTION ENGINE, PARTICULARLY A DIESEL ENGINE, WITH AT LEAST ONE CATALYTIC CONVERTER AND A SOOT FILTER MOUNTED DOWNSTREAM FROM THE ENGINE FOR ACCUMULATION OF THE SOOT
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United States of America Patent
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Nov 30, 2004
Grant Date -
Mar 4, 2004
app pub date -
May 20, 2003
filing date -
Aug 27, 2002
priority date (Note) -
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Abstract
A process for heating a carbon filter in an exhaust gas system of an internal combustion engine, in particular a diesel engine, with at least one catalytic converter and a carbon filter mounted downstream from the catalytic converter in the direction of flow for accumulating carbon. The catalytic converter mounted upstream from the carbon filter is heated to the extent that the amount of heat from the catalytic converter introduced into the carbon filter heats the carbon filter to the extent that combustion of the carbon is initiated.
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