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四冲程发动机
    This system can be used in four-stroke engine by replanting and adjusting.
    本系统主要是针对单杠四冲程发动机的控制,经过移植并作相应的调整后,可用于双杠四冲程发动机的控制。
    Ways to Avoid Oil Leakage of Four-stroke Engine
    防止四冲程发动机渗漏的方法
    The New Method of Determining the Four-stroke Engine's Adjustable Valves
    确定四冲程发动机可调气门的新方法
    MWM engine add an exhaust port at a four-stroke engine cylinder wall, and it be controlled to opening or close by a valve, this structure can make the engine has different working mode by different valve working together.
    MWM发动机在普通四冲程发动机的气缸侧壁增加了一个排气口,且由气门控制其开闭,通过处于不同位置气门的配合工作,从而实现其各种工作模式和工作过程。
    MWM engine makes the conversion among two-stroke mode, four-stroke mode and six-stroke mode of one engine come true in theory, filles in the blank with 1/3 which is the ratio of total strokes to working strokes in single working cycle of engine, possessing the continuous variable compression ratio of a certain range at the same time, combines the advantages of two-stroke engine and four-stroke engine, expandes the working range of engine greatly.
    MWM发动机在理论上实现了一台发动机在二冲程、四冲程与六冲程工作模式之间的相互转换,填补了发动机单工作循环作功行程数与总行程数比值中1/3的空白,同时具备一定范围连续可变的压缩比,整合了二冲程与四冲程发动机的优点,拓展了发动机的工作范围。
    During a engine bench test of a four-stroke engine BJ492Q burning M100 fuel, exhaust purification with monolithic palladium-loaded catalyst was evaluated for the exhaust emissions of methanol, formaldehyde, and carbon monoxide.
    在燃用纯甲醇(M100)的BJ492Q型四冲程发动机的台架试验中,用堇青石蜂窝金属钯催化剂进行了排气净化试验。
    The results of comparison tests under full throttle opening showed that the power output,fuel consumption and durability were improved considerably on a four-stroke engine.
    外特性对比试验结果表明 ,四冲程发动机的动力性、燃油消耗率和耐久性能均得到了明显改善。
    Based on the working principle of the four-stroke engine, we model the four-cylinder gasoline engine using bond graph technique.
    基于四冲程发动机的工作原理 ,用键合图对一四缸汽油机进行了建模。
    The influence of exhaust pressure waves on engine property is analyzed. New simulated calculation software based on MK 14 is developed, which is a powerful tool in developing exhaust system with catalytic converter. The exhaust pressure waves of a 125ml four-stroke engine are analyzed with the software.
    为分析排气压力波对发动机性能的影响,在MK14程序的基础上研制开发了以进、排气系统为主的发动机模拟计算系统(ESCS),并以该程序作为工具,对某一125ml四冲程发动机的排气压力波进行分析。
    According to the motors working principle,the authors design and complet an electronic fuel injection system based the monolithic processor of MC68HC08.Then the authors complete a matching experiment of single-plunger four-stroke engine CG125 applying this system to the trestle. As the system used,fairly well has been settled the contradiction among the driving force of engine,the economization of fuel consumption and the letting of exhaust gas.
    根据摩托车发动机的工作原理,作者设计并调试完成了一个基于MC68HC08单片机的电喷控制系统,并应用该系统在台架上进行了单杠四冲程发动机CG125的匹配实验,较好地解决了发动机动力性、经济性及排放之间的矛盾.
    According to structure and working theory of two-stroke engine and four-stroke engine,theory of engine with multiple-stroke working mode is put forward. Its working theory,working process and continuous changeable compression-ratio in a certain range are described.
    根据二冲程与四冲程发动机的结构和工作原理,提出发动机的多行程工作模式理论,描述其工作原理、工作过程和一定区间连续可变压缩比的工作原理.
 

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