SYSTEM AND METHOD FOR ESTIMATING THE RICHNESS OF THE GASEOUS MIXTURE IN THE COMBUSTION CHAMBER OF AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEHICLE POWER PLANT

SYSTEM AND METHOD FOR ESTIMATING THE RICHNESS OF THE GASEOUS MIXTURE IN THE COMBUSTION CHAMBER OF AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEHICLE POWER PLANT

A system for estimating richness of a gaseous mixture in a combustion chamber of an internal combustion engine of a motor vehicle power plant, including a mechanism injecting an additional combustible gas into a fresh air intake circuit of the engine, a mechanism measuring concentrations of the addi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DUGUE VINCENT, QUECHON NICOLAS, OBERNESSER PHILIPPE
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 system for estimating richness of a gaseous mixture in a combustion chamber of an internal combustion engine of a motor vehicle power plant, including a mechanism injecting an additional combustible gas into a fresh air intake circuit of the engine, a mechanism measuring concentrations of the additional gas in the fresh air intake circuit and in an engine exhaust gas circuit respectively, a mechanism determining a ratio between the measured concentration of the additional gas in the intake circuit and the measured concentration of the additional gas in the exhaust circuit, and a mechanism estimating the richness of the gaseous mixture in the combustion chamber of the engine from the determined ratio.