Method for controlling the titre of the air-fuel mixture in an internal combustion engine

Method for controlling the titre of the air-fuel mixture in an internal combustion engine

A method for controlling the titer of the air-fuel mixture in an internal combustion engine provided with at least two cylinders, in which the exhaust gas present in a common exhaust manifold is analyzed in order to measure at least two successive values of the overall air-fuel ratio of the cylinder...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PERETTI MARCO, CECCARINI DANIELE, PISONI EUGENIO, POGGIO LUCA, GELMETTI ANDREA
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
COMBUSTION ENGINES
CONTROLLING COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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Beschreibung
Zusammenfassung:A method for controlling the titer of the air-fuel mixture in an internal combustion engine provided with at least two cylinders, in which the exhaust gas present in a common exhaust manifold is analyzed in order to measure at least two successive values of the overall air-fuel ratio of the cylinders; a value of the air-fuel ratio of a final combusted cylinder being estimated by carrying out a linear composition of the two successive values of the overall air-fuel ratio of the cylinders and the value of the air-fuel ratio of the final combusted cylinder being attributed to a first of the cylinders and being used to correct a titer of the air-fuel mixture introduced into the first cylinder.