分析了配气正时对可变进气系统充气效率的影响。
Influence of valve timing on air intake efficiency of the variable air intake system is analyzed.
还有YCC-I的摄入量雅马哈芯片控制，可变进气系统，扩大了传播的权力。
There's also YCC-I, Yamaha Chip Controlled Intake, the variable intake system that broadens the spread of power.
对一1.25L单缸4气门发动机进行可变进气的改进设计，以便优化发动机的中小负荷性能。
An improving design on the variable intake port of a 1.25l 4 valve single cylinder engine is conducted for optimizing the small and medium load performance of the engine.
对该汽油机采用的可变进气系统的歧管直径和长度、控制阀开关的切换转速等结构参数进行了优化设计。
Structure parameters of its variable intake system, such as diameter and length of intake manifold, switching speed of control valve switch, etc. , are optimized.
可变进气正时能够在发动机的低转速到中高转速的阶段多提供10％的扭矩，一直到VVT技术在6000转达到最大气门延迟的时候（在这里蓝线和红线相交）。
The variable intake timing gained 10% more torque across more the lower half of the rev range until the VVT reaches full retard at 6000rpm (which is where the blue line meets the red line).
电磁控制进排气门是一种新型的可变配气相位技术，在发动机上以电磁驱动气门比传统的凸轮驱动方式具有更大的优越性。
Electromagnetic control valve actuation is a new kind of variable valve timing technology. It can offer more advantages than general camshaft valve actuation when used in the engine.
第二部分用STAR - CD流体软件对可变式进气歧管进行空气流动数值模拟分析。
The second part carries on the air fluid simulation analysis of variable intake manifold with the STAR-CD fluid software.
发动机采用可变气门正时技术可以提高进气充量，使充量系数增加，发动机的扭矩和功率可以得到进一步的提高。
Engine using variable valve timing technology can improve the intake charge, so that coefficient of charge increase, engine torque and power can be further improved.
本文主要进行可变式进气歧管的三维曲面重建和空气流动模拟分析的研究。
This thesis mainly carries on research of three dimensional surface reconstruction of variable intake manifold and air fluid simulation analysis.
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.
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.
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