精选优质文档-倾情为你奉上发动机前沿技术分析报告先进发动机气门控制技术文摘 为了降低发动机进气系统的泵气损失,提高燃油利用效率,国内外各大汽车企业和零部件供应商开发出了各种先进的发动机气门控制技术。本文对其中具有代表性的技术方案及其工作原理进行了简要介绍。关键词 发动机 气门控制Advanced engine technology analysis reportAdvanced engine valve control technologyAbstract In order to reduce the engine intake pumping losses and improve fuel efficiency, Domestic and international major auto companies and parts suppliers developed a number of advanced engine valve control technology. This article describes the typ