Process and device for determining the internal temperature of a catalytic converter of a vehicle equipped with a heat engine
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United States of America Patent
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Nov 27, 2007
Grant Date -
Apr 14, 2005
app pub date -
Sep 22, 2004
filing date -
Sep 23, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention pertains to a process for determining the internal temperature of a catalytic converter of a vehicle equipped with a heat engine. According to the present invention, such a process is characterized in that this temperature is determined by calculating the mean value of exhaust gas temperature measurements carried out before the admission of these gases into the catalytic converter over a limited period of time, these measurements being weighted by a variable that is a function of the oxidation activity of the catalytic converter.
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