7、Variable valve train enables the engine to achieve the best valve timing at a very high speed and load. Thus the performance of the engine can be improved.
11、There are two compression rings for the piston group which guarantees good sealing performance and accurate valve timing.
15、The design of a rocker arm with low rotating inertia is one of the important development trends of the valve timing system structural design for a modern high -speed internal combustion engine.
4、This paper analysed the necessity of dynamic valve timing measurement and introduced the principle of the instrument developed by us to measure static and dynamic valve timing.
9、An automatic control device of motorcycle variable valve timing (VVT) mechanism is introduced based on double CAM structure.
14、It introduces some advanced technologies which increase the charging efficiency, such as the variable length of the intake duct, the variable valve stroke, the variable valve timing and so on.
5、Influence of valve timing on air intake efficiency of the variable air intake system is analyzed.
12、A variable valve timing mechanism has been developed. Its structure, operating principle and practical effects on the engine and vehicle performances are also presented.
3、Fully variable valve train may realize continuously variable valve timing and valve lift, and so it represents development trend of variable valve technology.
13、Schemes of variable compression ratio (VCR), variable exhaust gas recirculation (EGR), variable exhaust valve timing, and EGR with stratification by tumble charge flow are recommended.
8、The valve rocker arm rotating inertia of a high-speed internal combustion engine has a greater effect on dynamic performance of a valve timing system.
6、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.
10、By the analysis of the measuring results, the basic factors which would change valve timing were given.
2、Electromagnetic valve actuation (EVA) is a new kind of variable valve timing technology.
1、Through the valve timing calculation for CA15 and EQ6100 engines, some main factors influencing the valve timing are analyzed.
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