But BMW's engineers think that they can regain this lost performance by redesigning the engine to have direct fuel injection and by turbocharging it.
但宝马公司的工程师认为他们可以重新设计直接注入燃料的引擎和用涡轮给引擎增压的办法来达到这相新的标准。
But most of the really detailed hard parts like carburetion, power transmission, fuel injection etc, are already solved and come in ready-made components.
至于细节上真正存在高难度的部分，如化油过程、动能传送和燃料供应等，早就已经解决并包含在零部件中了。
What has turned the lowly four-banger into such a ready replacement for its bigger brethren is the widespread use of turbo-charging and direct fuel injection.
卑微的四缸引擎能如此迅速地替代其他更多缸数的引擎的原因是废气涡轮增压和燃油直喷技术的广泛使用。
At Ford, with the internal-combustion engine and direct fuel injection, we're making a 25 percent improvement in miles per gallon and we're reducing CO2 [emissions] by 15 percent.
在福特，我们利用内燃机和燃油直喷技术，将每加仑燃油行驶里程数提高了25%，二氧化碳(排放)却下降了15%。
There are three parameters of fuel injection system: response pressure, injection-advanced angle, injection valve bulge high degree, the best match was found by adjusting them.
对于喷油系统参数：喷油压力、静态供油提前角和油嘴凸出高度，三个参数进行调整试验，找到它们的最佳匹配。
By changing positions of fuel injection and air supply, velocity oscillation may either be excited or damped.
通过调整燃料喷注位置和空气的供给速度，可激发或抑制振荡。
Then the influence on flame structure of supersonic combustion of ratio of length and deep of cavity, obliquity of back edge of cavity and different schemes of fuel injection were studied.
用这种方法研究了不同凹腔长深比、凹腔后缘倾角和不同燃料喷注方案对超声速燃烧火焰结构的影响。
In this paper, the control problem of electromagnetic actuator in electronically controlled diesel fuel injection system is investigated.
针对柴油机电控喷油系统磁电式执行器的控制问题进行了研究。
In this paper, a new control system of an electro-hydraulic fuel injection advancer is presented and its dynamic mathematical model is developed.
本文提出了一种柴油机供油提前角电液调节系统，建立了动态数字模型。
Effects of fuel injection timing on combustion and emission characteristics of a single-cylinder diesel engine fuelled with diesel and diesel-propane blends were studied.
在一台单缸直喷式柴油机上开展了不同喷油提前角下燃用柴油和柴油-丙烷混合燃料时的燃烧和排放特性研究。
It shows that the effects of back pressure on penetration, spray cone Angle, and decline rate of centerline velocity and concentration of the spray are greater than that of fuel injection pressure.
背压对贯穿距离、喷雾锥角、喷雾轴心速度和浓度衰减率的影响均大于启喷压力。
It have been proved, at home and abroad, that oxygen-enriched air blast can intensify smelting in BF, rise productivity greatly and increase fuel injection.
国内外高炉冶炼的实践证明，富氧鼓风可以强化高炉冶炼，大大提高高炉的生产能力，增加燃料喷吹量。
A fuel stream is injected through at least one fuel injection side adjacent to the oxidant injection side in the combustion zone.
燃料物流通过至少一个燃烧区内与氧化剂喷入侧相邻的燃料喷入侧喷入。
A lean mixture combustion system is presented in this paper. And the test effect of fuel injection time, fuel adjustment, miximum load speed and emission characteristics are analysed.
介绍了一种汽油机的快速稀燃系统，并对该系统的喷油时刻，燃油调整特性，外特性及排气性能等进行了试验分析。
This paper introduces the high pressure common rail injecting system's structure, developed theory , fuel injection quantity, fuel injection pressure's adjusting and parameter's design.
该文介绍了装甲车用发动机高压共轨喷油系统的基本结构、研制原理、喷油量、喷油压力调节及喷油参数设计。
The results show that the different structural parameters of the high-pressure common-rail injector have strong effects on the dynamic characteristic, injection rate and cycle fuel injection quantity.
结果表明：高压共轨喷油器不同结构参数对其动态特性、喷油率及循环喷油量等性能指标有很大的影响。
Electric fuel pump is an important part of automobile fuel feed system, which absorbs fuel from fuel tank and provide it to the air crocks of engine by fuel injection.
电动燃油泵是汽车燃油供给系统的重要组成部分，其功用是将燃油从油箱内泵出并通过喷油器供给发动机各个气缸。
The method can be used for combustion Chambers with any shape to match the fuel injection pressure, nozzle construction, injector position and intake swirl ratio with chamber shape.
该方法可适于任意形状的燃烧室，能反映出喷油压力、喷油嘴结构及安装位置、进气涡流比等参数与燃烧室形状的匹配关系。
So the purpose of applying oxygen sensors to keep feedback is to fulfill electronic fuel injection and solve the contradiction among power, oil-consumption, and exhaust pollution.
因此应用氧传感器进行反馈的目的在于实现电喷并保证三元催化反应器的净化效果，解决功率、油耗和排气污染之间的矛盾。
The characteristics of electronic unit pump(EUP) fuel injection system were studied when matching tangent cam profile.
研究了电控单体泵燃油系统特性在匹配切线凸轮型线下的燃油特性。
The quality of fuel spray is decided by the structure of nozzle and high-pressure fuel pipe in the pump-tube-nozzle fuel injection system, and it influences the whole diesel combustion.
泵-管-嘴式喷油系统中喷油嘴与高压油管的结构参数决定燃油的喷雾质量，从而影响整个柴油机的燃烧状况。
A calculation criterion of harmonic CAM with constant acceleration for fuel injection pumps is presented.
本文提出了具有等加速度段的谐波函数供油凸轮的计算准则。
The high-pressure common rail electronically controlled fuel injection system is a kind of the well-performance diesel injection system in general.
高压共轨式电控喷油系统是一种综合性能比较好的柴油机喷油系统。
As a China based specialist of automobile electronic fuel injection system, TOPONT supply most excellent spare parts of automobile electronic fuel injection system to global user.
作为中国汽车电喷系统领域的专家，同邦(TOPONT)为全球用户提供最优质的汽车电喷系统零部件。
A fuzzy control system of fuel injection quantity for diesel engine based on virtual instrument technology was established.
基于虚拟仪器技术设计了一个柴油机喷油量模糊控制系统。
Since the parts of the VE type pump fuel injection are worn easily, the fuel injection time of the VE type pump changes.
由于喷油泵各传动零件、泵油系统零件的磨损等原因vE型喷油泵供油时刻会发生改变。
Based on the analyzing modalities of faults and fuel pressure waveform from injection line, a research on diagnosis strategy of fuel injection system is given.
通过分析柴油机燃油供给系统的故障表现形式及高压油管的油压波形特征，研究了柴油机燃油供给系统的故障诊断策略。
Series of study and developing on Fuel Injection System with Top Clearance Plunger were presented in this paper.
本文主要对顶隙柱塞喷油泵进行了一系列的研究与开发工作。
The engine transient speed, fuel injection, combustion process and the cyclic variations in some performance indexes are investigated on a small single cylinder diesel engine during cold-starting.
测量分析小型手摇起动柴油机冷起动过程的瞬时转速、喷油及燃烧过程特征参数在每一循环中的变化情况；
The engine transient speed, fuel injection, combustion process and the cyclic variations in some performance indexes are investigated on a small single cylinder diesel engine during cold-starting.
测量分析小型手摇起动柴油机冷起动过程的瞬时转速、喷油及燃烧过程特征参数在每一循环中的变化情况；
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