the test results show that this vvt mechanism is simple in structure, less modification for the engine, low cost for production. it can realize the variable control for valve timing and improve the engine performance markedly.

a cycle simulation model insetting the vvt mechanism module with tow-mode intake timing parameters was created, and was verified by comparing the simulation results with the engine rig testing data.

建立了嵌入可切换双进气正时VVT系统的发动机循环仿真模型，通过实验测试对仿真模型进行了验证；

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the switching cam profile variable valve timing ( vvt) mechanism is able to control valve lifting and timing system through higher and lower intake rockers at different engine speed.

切换凸轮型线VVT机构通过高、低速摇臂的切换来实现不同转速的气门升程控制和正时系统。

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the basic structure, working principle, fault codes and inspection of the main elements of the vvt system on faw mazda 6 are introduced here.

介绍一汽MAZDA6可变气门正时系统的基本结构、工作原理、故障码及主要元件的检修方法。

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the possible technical approaches to improve engine performance have been studied using simulation, including the variable intake runner length and the intake vvt technologies. 2.

通过仿真计算研究了改善发动机动力性能的可行性技术方案，重点介绍了可变进气歧管技术和可变进气门正时技术。

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a new developed electrical control vvt system is presented which uses a tensioner with variable working position to change the intake valve-closing angle.

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。

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controlling strategy and operational mode were investigated and analyzed, and timing parameters of the vvt system were optimized by running the cycle simulation model.

分析了VVT控制策略和运行模式，对VVT机构配气正时参数进行了优化。

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design and experiment of hydro-extender vvt mechanism

液压张紧器式可变配气相位机构的设计与试验

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study on dual-spark plugs for rapid combustion and multi-state vvt system of small and high-speed gasoline engine

小型高速汽油机双火花塞速燃多工况VVT系统研究

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this vvt system is suitable for high-speed automotive gasoline engines with dohc.

该系统适合于顶置双凸轮轴车用高速汽油机。

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principle and inspection of vvt system on faw mazda 6

一汽MAZDA6可变气门正时机构的原理与检修

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vvt phase selection test to verify the reasonableness of the valve timing.

通过配气相位选型试验，验证了配气相位的合理性。

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ocv and actuator' performance will directly affect the system performance of vvt.

OCV及执行器的性能好坏将直接影响VVT系统的整体性能。

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the cam profile was designed combining vvt mechanism.

结合本文所设计的VVT机构，对主凸轮型线设计做了详细的阐述。

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the completed works as follows: firstly, complete the design work of vvt mechanism.

完成的工作如下：首先，完成了VVT机构的设计工作。

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processing of straight oil inlet for injector bodyby gun-drilling machine

利用枪钻设备加工喷油器体直进油孔

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their main competitor, says justine longford of super camps, is free child care from the extended family. mr grinham notes that many parents book at the last minute, after relatives cancel on them.

而超级阵营的杰斯丁朗福德说：夏令营的主要竞争对手，是大家族中其他亲属对孩子的免费照顾.Grinham指出，许多父母会在他们的亲戚没有时间照顾他们的小孩的时候才下的订单。

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justine henin came back with thunder after one year and half of absence by reaching the final of her the first two tournaments in brisbane and australian open.

在退役一年半以后，海宁宣布复出的消息赢得了无数欢呼声。在复出的头两项赛事布里斯班和澳网中，她都闯入到了最后的决赛。

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klepac was more spectator than opponent as justine continued to gauge her own game with volleys, and power serves.

面对贾斯汀以精准的截击和强力的发球预定自己的比赛，克莱帕克更像是一名观众而非对手。

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justine roberts, co-founder of mumsnet, told the reporters that most mothers would agree they treated the first child differently to later children.

的合作创始人贾斯汀？罗伯茨在接受记者采访时称，大多数妈妈都承认自己对老大和老小的态度不同。

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on the other hand it's definitely certain that justine will prepare for the australian open by participating in the hopman cup.

另一方面，通过参加霍普曼杯来为澳网热身也一定是一个不错的选择。

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