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- Variable valve parameters 可变气门参数
- Variable Valve Timing and Lift Electronic Control System. 可变气门正时及升程电子控制系统。
- VTi stands for “Variable valve lift and Timing Injection”. 积分是“可变阀门升程和定时注射".
- Electromagnetic valve actuation (EVA) is a new kind of variable valve timing technology. 摘要电磁气门驱动是一种新型的可变配气相位技术。
- For 2009, the HHR's base 2.2-liter engine gained variable valve timing and the ability to run on E85. 2009年，是和记港陆的基地2.;2升发动机升可变气门正时和能力上运行的E85。
- The designed VVT (variable valve timing) system can change the valve timing in running condition. 摘要开发了变进排气正时控制机构，实现气门正时的调节。
- Furthermore it also analyzes the effects of inner diameter of cylinder on valve parameters and obtains the coefficients of effect of slice thickness on throttle slot. 利用开阀压力与阀片变形以及流量之间关系，建立油气弹簧阀系参数解析设计公式，对阀系参数进行解析设计。
- An automatic control device of motorcycle variable valve timing(VVT) mechanism is introduced based on double cam structure. 介绍了一种基于双凸轮结构的摩托车发动机可变配气正时(VVT)机构自动控制装置。
- Electromechanical valve actuator system (EMVA) uses solenoid to drive each valve independently for achieving variable valve timing (VVT). 电磁式汽门机构使用电磁螺线管式驱动汽门，免除凸轮轴，各汽门可独立控制。
- This paper is mainly involved in the technical analysis of vehicle gasoline engine latest technology - variable valve timing-driven institutions of (VVA). 本论文主要涉及研究方向是车用汽油机最新技术-可变气门驱动机构VVA的的技术分析。
- Burton，D Mourre，D Bitner and P Ukrainetz，A technique to estimate some valve parameters in a proportional valve，Department of Mechanical Engineering，university of Saskatchewan，Canada，1995. 陈春志，液压比例电磁线圈静态及动态特性量测与分析，国立云林科技大学机械所硕士论文，1997。
- Abstract ：In this paper, the in-cylinder flow characteristics under variable valve lift (VVL) were studied in a single-cylinder four-valve optical SI engine. 摘要 ：在一台四气门可视化光学发动机上，研究了可变气门升程下缸内气体流动特性。
- By mean of computer simulation of thermodynamic process in the 2F4.8 compressor with R22 as refrigerant,the influence of basic valve parameters on the performance of the compressor is studied. 通过对2F4．8型活塞式制冷压缩机改用R22工质后热力过程的计算机模拟，获得气阀结构参数对压缩机热力性能的影响数据，并对气阀结构和排气压力过高影响压缩机启动等问题提出改进方案。
- Engine efficiency is also improved by the use of direct injection (DI) and continuously variable valve timing (VVT) on both the inlet and exhaust sides. 进出口的引擎效率也由直接注射法（DI）和发动机可变气门正时技术（VVT）的运用而改进。
- BURTON, D MOURRE, D BITNER,and P UKRAINETZ ,1995,”A technique to estimate some valve parameters in a proportional valve”, Department of Mechanical Engineering, niversity of Saskatchewan, Canada. 王培仁,1996,柱塞比例控制分析与设计,工业技术研究委托学术机构研究计画总报告。
- Related to the MZR engine in the Mazda3, but lacking variable valve timing, the Duratec four-banger is available as a PZEV (Partial Zero Emissions Vehicle) engine in some states. 相关MZR发动机的马自达3，但仍缺乏可变气门正时，该Duratec四banger可作为零污染（部分零排放车辆）引擎在某些国家。
- This new type cam structure can implement continuous Variable Valve Timing and continuous Variable-Lift simultaneity, which adapt to the developing tendency of VVT. 这种新型凸轮结构可以实现连续可变气门正时和气门升程，适应了无级式机电一体化可变气门正时和可变气门升程机构的发展趋势。
- This paper gives a brief introduction on the technology of variable valve timing (VVT) and variable-lift, and brings forward a new cam structure which is simple and practical. 摘要本文简要介绍了可变气门正时(VVT)及可变升程技术，提出了一种简单而实用的新型凸轮结构。
- Through the relations of throttle pressure with the flux and slice deformation, the analytic design formulas of valves parameters of hydro-pneumatic spring is established. 摘要利用开阀压力与阀片变形以及流量之间关系，建立油气弹簧阀系参数解析设计公式，利用该公式可对阀系参数进行解析设计。
- The process uses less fuel and more air to generate power by using advanced technologies, direct injection, electric cam phasing, variable valve lift and cylinder pressure sensing. 该过程使用的燃料和更多的空气来发电用先进的技术，直接喷射，电子凸轮分阶段，可变阀门升程以及缸内压力传感.
