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。
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%。
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 results show that, double injection system can get high replacement ratio of coal liquids fuel and good operation performance of the engine.
试验表明,采用此方法,可获得较高的煤液化燃料的代用率,发动机工作性能良好。
But in the case of the diesel engine the supply is effected by an injection or jerk pump which forces a shot of fuel into each cylinder in turn ac cording to the correct firing sequence.
而柴油机是由喷油泵或脉动泵按照正确的点火顺序将燃油轮流地喷人各气缸的。
That the optimum fuel injection timing corresponding to one operating mode of engine is determined by adjusting the solenoid valve can improve economy and power, and lower the emissions of engine.
这样通过调节电磁阀就可以实现发动机在不同工况下有最佳的供油提前角与之匹配,从而达到改善发动机经济性和动力性并降低废气排放之目的。
In this paper, six wavelet functions were selected for the analysis of time-frequency characteristics of the pressure wave signal in fuel injection system of a diesel engine.
通过选用六种不同的小波函数,对柴油机喷油系统压力波信号的时频特性进行了小波分析研究。
The fault-tolerant control of electronic fuel injection (EFI)engine plays an important role in improving its emission and economy performance.
电喷汽车发动机的容错控制对于改善汽车发动机的排放、经济性有重要作用。
It's the first time to question extensively the influences of fuel delivery advance Angle and injection pressure on performance of E30 engine.
首次系统地研究了供油提前角、喷嘴启喷压力对E30混合燃料发动机性能的影响。
The effect of variable swirl on the fuel consumption of SI engine when TEFI (Twice Electronic fuel Injection) was adopted to lean burn combustion was studied.
主要研究了火花点燃式发动机采用二次喷油技术实现稀薄燃烧时,可变涡流对燃油经济性的影响情况。
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;
The paper introduces a new rotating speed measuring method for diesel engine utilizing pressure pulse signal on the tube wall of high pressure fuel injection system of diesel engine.
本文介绍一种利用柴油机高压泵喷油管壁上的压力波脉冲信号,来测量柴油机转速的新方法。
The injection pressure of E30 engine corresponding to the lowest fuel consumption is higher than that of diesel engine.
E30的最低燃料消耗率对应的喷嘴启喷压力略高于柴油。
Combined with control characteristics of engine air fuel ratio, the CMAC controller which is self adaptive to compensate fuel injection volume is studied.
结合发动机空燃比的控制特征,研究了一种能自适应补偿喷油量的CMAC控制器。
Electronic control of the vehicle engine includes electronic fuel injection, electronic spark control and idle speed control.
发动机电子控制主要包括喷油控制、点火控制以及怠速控制等。
Pilot injection is also utilized by the common rail fuel system to smooth engine operation.
还利用共轨燃油系统顺利发动机运转试验注射。
In order to improve the all-round performance of diesel engine, a research on the integration of electronically controlled fuel injection and inhale-exhaust system of diesel engine is done.
为了提高柴油机的综合性能,课题组对柴油机的燃油和进、排气系统的综合电控技术进行了研究。
This paper introduces a set of devices for making the map of the engines fuel injection and ignition, and by the test of the 465 engine we have testified the feasibility of the system.
介绍一套获取发动机脉谱图的自动化装置,并利用该装置对465发动机的喷油、点火脉谱图进行了测定,验证了该系统的可行性。
PC032 Pressure Sensor: It can test manifold absolute pressure of diesel engine, provide the signal to ECU, then control the lasting time of the fuel injection.
PC032压力传感器:用于柴油发动机进气歧管内绝对压力的检测,向ECU(电控单元)提供信号,实现对发动机喷油持续时间的控制。
But the fuel starting injection pressure will turn low gradually when the operational time of the diesel engine increases. This will cause worsening of the combustion process and fuel economy.
但是随着柴油机使用期的增长,启喷压力会逐渐降低,导致燃烧过程恶化,经济性下降。
There are many factors influencing the performance of diesel engine, and fuel injection system is undoubtedly the most important one.
影响柴油机性能的因素较多,喷油系统无疑是最重要的环节。
The fuel injection process plays an important role on combustion. It has important influence on diesel engine performance and emission. And injector is the key factor of affecting injection process.
喷油过程是影响柴油机燃烧过程的重要组成部分,对柴油机的排放与性能具有重要的影响,而喷油器是影响喷油过程的关键因素。
This model took the parameters of engine speed, fuel pump rack position, pedal, LPG(injection) time, cooling water temperature and torque as the input variables.
模型将转速、油泵齿条位置、油门开度、LPG喷气时间、冷却水温度、转矩作为输入变量。
The dynamometer test results showed that the injection timing had a large effect on the fuel consumption and it must be accurately and precisely controlled, when the engine was working at low load.
试验表明:喷油时刻对于降低燃油消耗率影响很大,小负荷时必须对喷油时刻进行精确控制;
Some experimented results gained in a 5-valve engine prove that this new injection mode can reduce fuel consumption by 17% than that of the conventional one, and improve exhaust emission performance.
在一台五气门汽油机上实验证实这种新喷油方式能够节油17%左右,并明显改善排放性能。
With the progress of the engine technology, the fuel injection systems of modern engines are all electronic-controlled, instead of using traditional carburetor.
随着发动机技术的进步,化油器式发动机已经被电喷发动机所取代。
The restrictions on fuel injection pump smoke the failure in the engine, accelerated sharply when also can smoke;
喷油泵上的冒烟限制器失效,在发动机急剧加速时也会冒黑烟;
The restrictions on fuel injection pump smoke the failure in the engine, accelerated sharply when also can smoke;
喷油泵上的冒烟限制器失效,在发动机急剧加速时也会冒黑烟;
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