fuel injection needle

简明释义

喷油针

英英释义

例句

1.The technician calibrated the fuel injection needle to ensure optimal fuel delivery.

技术员对燃油喷射针进行了校准，以确保最佳燃油输送。

2.A clogged fuel injection needle can cause misfires in your vehicle.

堵塞的燃油喷射针可能会导致车辆失火。

3.If you notice a decrease in fuel efficiency, check the fuel injection needle for blockages.

如果你注意到燃油效率下降，请检查一下燃油喷射针是否被堵塞。

4.Regular maintenance of the fuel injection needle can extend the life of your engine.

定期维护燃油喷射针可以延长发动机的使用寿命。

5.The mechanic replaced the fuel injection needle to improve the engine's performance.

机械师更换了燃油喷射针以提高发动机的性能。

作文

In the world of automotive engineering, the efficiency and performance of an engine are paramount. One crucial component that plays a significant role in this regard is the fuel injection needle. The fuel injection needle is a vital part of the fuel injection system, which is responsible for delivering the right amount of fuel into the combustion chamber of an engine. Understanding how this component works can help us appreciate its importance in modern vehicles.The primary function of the fuel injection needle is to control the flow of fuel from the injector into the engine. When the engine requires fuel, the electronic control unit (ECU) sends a signal to the injector, which opens the fuel injection needle. This allows fuel to spray into the combustion chamber at high pressure, ensuring that the engine receives the necessary fuel for optimal performance. The precision with which the fuel injection needle operates directly affects the engine's efficiency, power output, and emissions.Moreover, the design of the fuel injection needle has evolved significantly over the years. In older carbureted engines, fuel delivery was less precise, often leading to issues such as poor fuel economy and increased emissions. However, with the advent of fuel injection systems, particularly those utilizing electronic control, the fuel injection needle has become more sophisticated. Modern fuel injection needles are designed with advanced materials and technology, allowing them to withstand high temperatures and pressures while maintaining accuracy in fuel delivery.Another important aspect of the fuel injection needle is its influence on engine performance under various conditions. For instance, during acceleration, the ECU adjusts the opening time of the fuel injection needle to provide a richer fuel mixture, enhancing power output. Conversely, during cruising conditions, the ECU reduces the fuel flow by adjusting the fuel injection needle, optimizing fuel economy. This dynamic adjustment is essential for achieving a balance between performance and efficiency, which is critical in today’s environmentally conscious automotive market.Furthermore, the maintenance of the fuel injection needle is essential for the longevity of the engine. Over time, deposits can build up on the needle, affecting its ability to open and close properly. Regular maintenance, including cleaning or replacing the fuel injection needle, can prevent these issues and ensure that the engine runs smoothly. Neglecting this component can lead to poor engine performance, increased fuel consumption, and higher emissions, ultimately impacting the vehicle's overall reliability.In conclusion, the fuel injection needle is a crucial element in the fuel injection system of modern engines. Its role in controlling fuel delivery not only affects engine performance but also plays a significant part in fuel efficiency and emissions. As automotive technology continues to advance, understanding components like the fuel injection needle becomes increasingly important for both manufacturers and consumers. By appreciating the intricacies of such components, we can better understand how they contribute to the overall functionality and performance of our vehicles.

在汽车工程的世界里，发动机的效率和性能至关重要。一个在这方面发挥重要作用的关键组件是燃油喷射针。燃油喷射针是燃油喷射系统的重要组成部分，负责将适量的燃油送入发动机的燃烧室。了解这个组件的工作原理可以帮助我们认识到它在现代车辆中的重要性。燃油喷射针的主要功能是控制燃油从喷油器流入发动机的流量。当发动机需要燃油时，电子控制单元（ECU）向喷油器发送信号，打开燃油喷射针。这允许燃油以高压喷入燃烧室，确保发动机获得最佳性能所需的燃油。燃油喷射针的操作精度直接影响发动机的效率、功率输出和排放。此外，燃油喷射针的设计近年来发生了显著变化。在较旧的化油器发动机中，燃油的输送不够精确，常常导致燃油经济性差和排放增加。然而，随着燃油喷射系统，特别是采用电子控制的喷射系统的出现，燃油喷射针变得更加复杂。现代的燃油喷射针采用先进的材料和技术设计，使其能够承受高温和高压，同时保持燃油输送的准确性。燃油喷射针的另一个重要方面是它对各种条件下发动机性能的影响。例如，在加速过程中，ECU调整燃油喷射针的开启时间，以提供更丰富的燃油混合物，从而增强功率输出。相反，在巡航状态下，ECU通过调整燃油喷射针来减少燃油流量，优化燃油经济性。这种动态调整对于在当今环保意识日益增强的汽车市场上实现性能与效率之间的平衡至关重要。此外，维护燃油喷射针对于发动机的长寿命至关重要。随着时间的推移，沉积物可能会在针上堆积，影响其正确开闭的能力。定期维护，包括清洁或更换燃油喷射针，可以防止这些问题，确保发动机顺利运行。忽视这个组件可能导致发动机性能下降、燃油消耗增加和排放增加，最终影响车辆的整体可靠性。总之，燃油喷射针是现代发动机燃油喷射系统中的关键元素。它在控制燃油输送方面的作用不仅影响发动机性能，还在燃油效率和排放中发挥重要作用。随着汽车技术的不断进步，理解像燃油喷射针这样的组件对于制造商和消费者来说变得越来越重要。通过欣赏这些组件的复杂性，我们可以更好地理解它们如何为我们车辆的整体功能和性能做出贡献。