内燃机配气机构技术现状及发展

配气机构控制内燃机的换气过程，其设计的优劣直接影响内燃机的可靠性及性能。介绍了内燃机配气机构的国内外研究状况；通过分析配气机构的工作原理，提出设计配气机构时存在的矛盾以及当前已得到广泛应用的配气机构的研究方法。对现代发动机配气机构采用的先进技术进行总结分析，对其发展方向进行展望，从而为配气机构的相关性能研究提供判断依据．为内燃机配气机构的优化设计提供参考。

The current technology and future development of internal combustion engines' valve mechanism

The valve mechanism controls internal combustion engines＇ gas exchange process and its design level influences reliability and performances of the engine. The research status of valve mechanism was introduced both on home and abroad. Through the analysis of valve mechanism＇s working principle, bring forward the contradictions when designing it as well as its research methods widely used currently. Elaborate and analyze the advanced technology and prospect the development trend of valve mechanism. Sequentially, provide the judge method on the study of its performance and references to the optimization of valve mechanism.