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喷油器的改进对球型燃烧室柴油机排放的影响
引用本文:楼狄明,张宁宁,王礼丽,黄功胤,孔桂香,杨辉.喷油器的改进对球型燃烧室柴油机排放的影响[J].车用发动机,2002(6):34-36,40.
作者姓名:楼狄明  张宁宁  王礼丽  黄功胤  孔桂香  杨辉
作者单位:1. 同济大学,上海,200331
2. 上海拖拉机内燃机公司,上海,200433
摘    要:通过减小喷油器针阀、弹簧座和弹簧等运动件的质量 ,达到减小喷油器运动惯量的目的 ;通过减小压力室直径 ,达到减小压力室容积的目的。最后将带有新设计的低惯量小压力室喷油器的柴油机进行排放性能测试 ,结果表明柴油机排放得到了改善 ,从而证实了这种方法的有效性

关 键 词:柴油机  喷油器  低惯量  小压力室  球型燃烧室
文章编号:1001-2222(2002)06-0034-03

Effect of Injector Improvement on Emissions from Diesel Engine with Spherical Combustion Chamber
LOU Di ming ,ZHANG Ning ning ,WANG Li li ,HUANG Gong yin ,KONG Gui xiang ,YANG Hui.Effect of Injector Improvement on Emissions from Diesel Engine with Spherical Combustion Chamber[J].Vehicle Engine,2002(6):34-36,40.
Authors:LOU Di ming  ZHANG Ning ning  WANG Li li  HUANG Gong yin  KONG Gui xiang  YANG Hui
Institution:LOU Di ming 1,ZHANG Ning ning 1,WANG Li li 1,HUANG Gong yin 1,KONG Gui xiang 2,YANG Hui 2
Abstract:In order to improve gaseous and PM emissions from engine, it is an effective way to minish the mass of injector moving part and pressure chamber. With low inertia of injector and small pressure chamber designs by means of minishing the mass of needle valve, spring, spring seat and diameter of pressure chamber, the design requirements is met. This design method is proved to be successful by the emission characteristic improvement of Model 495A diesel engine after redesign.
Keywords:diesel engine  injector  low inertia  small pressure chamber  spherical combustion chamber
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