Exhaust gas system and method of directing a flow of exhaust gas of a vehicular internal combustion engine
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United States of America Patent
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Feb 6, 2007
Grant Date -
Jul 28, 2005
app pub date -
Sep 28, 2004
filing date -
Oct 6, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An exhaust gas system of a vehicular internal combustion engine comprises a plurality of exhaust gas catalytic converters having different working temperature ranges. Depending on the temperature of the exhaust gas the latter is directed to the one or those converters into whose working temperature range the exhaust gas temperature falls.
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