刘欣,刘志勤

山东华源莱动内燃机有限公司

    摘要：本文以 4L22B直喷式自然吸气型柴油机为例进行了深入研究,通过改进燃烧室设计,调整喷油特性、喷油提前角等措施,使该机型排放满足欧I排放法规的要求,通过有效后处理装置使其排放接近欧II排放法规的要求。

    关键词： 柴油机;;燃烧;;排放;;十三点工况;;排气净化

    Abstract: Take the direct injection and natural inspiration engine as an example,the paper has a deeply research.By improving fire chamber designing,adjusting injection make Purification and beginning of fuel injection and so on,make its exhaust meet the requirement of Euro I,and make it mear to Euro II with the effective post treatment equipment.

    Keywords: Diesel Engine;Combustion;Exhaust;Thirteen Conditions;Exhaust and   Purification

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