点火提前角对电喷LPG发动机排放特性的影响  

Effect of Spark Advanced Angle to Emission Characteristic of LPG Engine

作　　者：周立元[1] 贾元华[2] 吴贵福[2] 

机构地区：[1]黑龙江农业工程职业学院,哈尔滨150088 [2]佳木斯大学机械工程学院,佳木斯154007

出　　处：《农业装备与车辆工程》2006年第1期25-27,共3页Agricultural Equipment & Vehicle Engineering

摘　　要：在一台水冷、四冲程、125ml、LPG电控喷射火花点燃式摩托车发动机上通过改变点火提前角来研究LPG发动机的排放特性,了解在不同空燃比条件下的影响趋势,为LPG发动机点火系统的优化设计提供理论依据和试验手段。By changing spark advanced angle in a water-cooling four-stoke, 125ml LPG electronic control injection SI motorcycle engine, the emission characteristic of LPG engine is studied, the affect trend under different conditions of air fuel ratio is understood, theory reference and test means for the optimization design of LPG engine ignition system is offered.

关 键 词：火花点燃式发动机 液化石油气 点火提前角 排放 

分 类 号：U464[机械工程—车辆工程]