全可变气门机构能实现发动机配气定时和气门升程的连续可变，是可变气门技术的发展趋势。
Fully variable valve train may realize continuously variable valve timing and valve lift, and so it represents development trend of variable valve technology.
根据研制的中压共轨电控可变气门系统机构的工作机理，建立了中压共轨电控可变气门系统的仿真模型，试验证明其精度达到了93 % 。
On the basis of the principle of a middle pressure common rail electronically controlled variable valve system, a model has been built for modeling the system and its accuracy achieves 93%.
详细阐述了液压张紧器式可变配气相位机构的设计，并通过试验获得了最佳气门关闭角的提前与滞后角度。
This paper presents a new design of hydro extender VVT mechanism. The best matching inlet valve closing timing for advancement and retarding is achieved by the experiments.
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。
It also introduces the VTEC structure and operating principles of the variable valve actuation adopted by Honda company.
本文介绍了一种基于可变位置液压张紧器机构实现控制进气门关闭相位角的电控可变配气相位系统。
A new developed electrical control VVT system is presented which USES a tensioner with variable working position to change the intake valve-closing Angle.
通过实验证明这种液压气门机构可通过改变泄油初始相位角实现进气门最大升程和进气迟闭角的连续可变。
Test results show that the hydraulic valve actuation system can realize continuously variable valve lift and the early intake valve closing by changing the time of oil pressure release.
试验结果同时表明，通过合理匹配有关结构参数，全可变液压气门机构可实现气门平稳开启和平稳落座。
Testing results also show that by reasonably matching the structural parameters, the fully variable hydraulic valve train can give steadily opening and seating.
通过对全可变液压气门机构的气门升程和液压压力的试验测量，研究了全可变液压气门机构的气门运动特性。
The Characteristics of valve movement using fully variable hydraulic valve train is studied by measurement of valve lift and oil pressure of fully variable hydraulic valve train.
在配气机构方面，电液或电磁控制的全可变气门技术便是其中一种。
The Electro-hydraulic valve actuation(EHVA)in this dissertation is a kind of way for the future engine.
在配气机构方面，电液或电磁控制的全可变气门技术便是其中一种。
The Electro-hydraulic valve actuation(EHVA)in this dissertation is a kind of way for the future engine.
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