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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
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机译:用于估计机动车辆动力装置的内燃机的燃烧室内的气体混合物的浓度的系统和方法
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摘要
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.
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