缸内直喷汽油机应用现状及问题综述

Summary of Current Application Situations and Problems for Gasoline Direct Injection Engine

缸内直喷汽油机以高动力、低油耗、低排放、高功率质量比在世界范围内得到了认可和普及,大众几乎全系列车型安装TSI直喷发动机,其它合资车企在售车型中,也有相当大一部分装有直喷发动机,但这些直喷发动机普遍集中在中高端车型上。目前直喷发动机存在的一些问题,一直困扰着国内自主车企直喷发动机的推出,随着技术进步和成本降低,直喷发动机将覆盖各细分车型。

GDI engine was accepted and applied word-wide as high power, low fuel consumption, low emission and high power-weight ratio. TSI GDI engines have mounted at almost all VW vehicles, the vehicles with GDI engine also take a important amount in other oversea automobile corporations, but all the GDI engines were fitted at middle or high price vehicles. Some problems of GDI engine were puzzling the Chinese national automobile producer and prevent the vehicle with serf-owned GDI engine from introducing. The GDI engine will be fit at all price level vehicles along the technology improvement and cost decreasing.