现代汽油发动机燃油喷射技术综述  

Summary of Fuel Injection Technology of Modern Gasoline Engine

作　　者：雷先华 杨启正 叶幸 LEI Xianhua;YANG Qizheng;YE Xing(Department of Electrical Engineering,Traffic Engineering College of Hunan,Hengyang,Hunan 421000,China)

机构地区：[1]湖南交通工程学院机电工程学院,湖南衡阳421000

出　　处：《机电工程技术》2020年第6期19-20,共2页Mechanical & Electrical Engineering Technology

基　　金：湖南省教育厅项目(编号:18C1406)。

摘　　要：燃油喷射系统是汽油发动机的重要组成部分,燃油喷射技术不仅影响可燃混合气的形成,还间接影响气缸中的燃油燃烧和废气形成。总结了汽油发动机燃油喷射系统现有的进气道喷射技术、缸内直喷技术的特点;展望了混合喷射和定容式燃烧多段喷射新技术;提出了在高度提倡环保的大环境下,电控汽油喷射技术的进一步发展是必然的结论。Fuel injection system is an important part of gasoline engine.Fuel injection technology not only affects the formation of combustible mixture,but also indirectly affects the formation of fuel combustion and exhaust gas in the cylinder.The characteristics of the existing inlet injection technology and in-cylinder direct injection technology in the fuel injection system of gasoline engine were summarized.The new technologies of mixed injection and constant volume combustion multistage injection were prospected.Under the environment of highly advocating environmental protection,the further development of electronic gasoline injection technology is an inevitable conclusion.

关 键 词：燃油喷射技术 缸内直喷 进气道喷射 

分 类 号：U464[机械工程—车辆工程]