缸内直喷技术在中小型汽油机上的应用研究分析

Application Research and Analysis of In-cylinder Direct Injection Technology in Small and Medium-sized Gasoline Engines

为实现更高的燃油利用率以及提高发动机效率,在进气管喷射技术的基础上研发了适合乘用车的缸内直喷技术,文章介绍了缸内直喷技术的发展过程并详细说明了其工作原理以及不同类型的缸内直喷发动机,另外对缸内直喷发动机相关发动机系统的要求也做了相关简介,进而证明缸内直喷技术是目前最适合的发动机技术,同时混合喷射技术也可作为可行的研究开发方向。

In order to achieve higher fuel utilization and improve engine efficiency,on the basis of intake pipe injection technology,in-cylinder direct injection technology suitable for passenger cars has been developed.The article introduces the development process of in-cylinder direct injection technology and explains in detail The working principle and different types of direct-injection engines are introduced.In addition,the related engine system requirements of direct-injection engines are also introduced,which proves that direct-injection technology is the most suitable engine technology at present,and mixed injection.Technology can also be used as a feasible research and development direction.