variable valve timing 可变气门正时 ; 可变气门正时技术 ; 技术 ; 发动机可变气门正时技术
valve timing [机] 气门正时 ; 配气相位 ; [机] 阀定时 ; 配气正时
valve timing gear 阀定时装置 ; 气门正时齿轮 ; 阀动定时机构
intake valve timing 进气门定时
valve timing control 气门正时控制电磁阀
exhaust valve timing 排气门定时 ; 排气配气定时
Dual Variable Valve Timing 气门正时 ; 可变正时
Valve-timing mark 汽门正时记号 ; 汽门正时 ; 汽正
Valve timing adjusting 配气正时调整
valve timing adjustment 活门定时调准
Mainly study the speed characteristic and the influence of several key parameters such as valve timing, inlet air pressure of compressed air, cylinder volume, and stroke-bore ratio on the working characteristics.
工作特性主要研究了速度特性以及配气相位、压缩空气进气压力、气缸容积、程径比等参数对工作特性的影响。
参考来源 - 压缩空气/燃油混合动力发动机工作过程的数值模拟与试验研究The performance of the system has been researched deeply by experiments, from which, plenty of rules have been obtained, and the way to adjust valve timing, lift and duration has been put forward.
论文对可变气门系统性能进行了深入的试验研究，得出了大量结构参数与运行参数对系统动态性能的影响规律，确定了气门正时、气门开启持续期、气门升程等参数的调节途径。
参考来源 - 中压共轨电控柴油机可变气门系统的研究Thermal cycle calculation of the engine is calculated by using the AVL code Boost. Then the engine performance is predicted as well as turbo match and valve timing.
采用AVL Boost热力学计算软件,对整个发动机的热力学循环过程进行计算,预测发动机整体性能,确定了增压匹配方案和发动机的配气定时。
参考来源 - H12V190ZLT型高增压、稀燃天然气发动机的设计开发The design includes: valve timing and high valve lift confirm, valve lift design and cam lift.
凸轮型线设计包括:配气相位及最高升程的确定、气门升程设计及其凸轮型线的反求。
参考来源 - 摩托车发动机VVT系统控制策略研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
Valve timing is a major factor in achieving good volumetric efficiency.
定时阀是实现高容积效率的一个主要因素。
The effective anti-wear additive system minimizes wear in even the most sophisticated valve train mechanisms, including those with variable valve timing.
在有效的抗磨损添加剂磨损降到最低，即使在最先进的气门驱动机制，包括可变气门正时的。
The Optimization of matching the combustion system with valve timing of an engine is studied with the multi goals optimizing theory.
采用多目标优化设计理论，研究发动机燃烧系统和配气机构匹配优化设计问题。
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