汽车发动机可变式气门驱动机构

<title>e Variable Valve Actuation of Automotive Engine

阐述了配气相位对发动机性能的影响,说明了车用发动机对配气相位的要求及采用可变气门驱动机 构的优点。着重介绍了本田公司的可变气门驱动机构VTEC的结构和工作原理。

<abstract>is article explains how the valve timing effects the performance of engines and illustrates the requirements on the valve timing of an automotve engine and the advantages of applying variable valve actuation. It also introduces the VTEC structure and operating principles of the variable valve actuation adopted by Honda company.