Method for estimating an exhaust gas temperature

A Method is provided for estimating a temperature of an exhaust gas in an exhaust line of an internal combustion engine. The exhaust line is provided with a NOx sensor that includes, but is not limited to a heater. The method includes, but is not limited to determining a value of a parameter indicat...

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Bibliographic Details
Main Authors GUGLIELMONE FEDERICO LUIGI, PAIROLERO LUCA GIUSEPPE
Format Patent
LanguageEnglish
Published 25.11.2014
Subjects
BLASTING
COMBUSTION ENGINES
CONTROLLING COMBUSTION ENGINES
ENGINE PLANTS IN GENERAL
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MACHINES OR ENGINES IN GENERAL
MEASURING
MEASURING QUANTITY OF HEAT
MEASURING TEMPERATURE
MECHANICAL ENGINEERING
PHYSICS
STEAM ENGINES
TESTING
THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
WEAPONS
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Summary:A Method is provided for estimating a temperature of an exhaust gas in an exhaust line of an internal combustion engine. The exhaust line is provided with a NOx sensor that includes, but is not limited to a heater. The method includes, but is not limited to determining a value of a parameter indicative of a heat released by the heater of the NOx sensor, and of calculating a value of the temperature of the exhaust gas as a function of the determined value of this parameter.
Bibliography:Application Number: US201113233795