小排量汽油机电控燃油喷射系统技术进展

摘要

EFI technology is vital for small gasoline engines to meet EURO Ⅲ and afterwards emission regulations. This paper first presents the difficulties existing in the EFI application for small gasoline engine, and then introduces various kinds of modem EFI system fundamentals and characteristics, and fmally, based on the analysis and comparison, proposes the future EFI development trends.%电控燃油喷射系统是小排量汽油机满足欧Ⅲ及以后排放法规的关键技术.本文首先分析了现有小排量汽油机采用电控燃油喷射系统面临的技术难题,然后重点介绍了近年来出现的新型小排量汽油机电控燃油喷射系统的工作原理和特性,最后在综合对比分析的基础上,提出了未来小排量汽油机电控燃油喷射系统的发展思路.