fuel injection system

简明释义

燃油喷射系统

英英释义

例句

1.Many modern vehicles utilize a multi-port fuel injection system for better combustion.

许多现代车辆使用多点燃油喷射系统以获得更好的燃烧效果。

2.A faulty fuel injection system can lead to poor fuel efficiency.

故障的燃油喷射系统会导致燃油效率低下。

3.The mechanic recommended upgrading the fuel injection system to improve engine performance.

机械师建议升级燃油喷射系统以提高发动机性能。

4.Regular maintenance of the fuel injection system is essential for optimal vehicle performance.

对燃油喷射系统的定期维护对最佳车辆性能至关重要。

5.The new sports car features a high-performance fuel injection system that enhances speed.

这款新跑车配备了高性能的燃油喷射系统，提升了速度。

作文

The modern automotive industry has undergone significant transformations over the past few decades, and one of the most critical advancements is the development of the fuel injection system. This technology has revolutionized how engines operate, leading to improved efficiency, performance, and reduced emissions. Understanding the fuel injection system is crucial for anyone interested in automobiles, whether as a hobbyist or a professional mechanic.At its core, the fuel injection system is designed to deliver fuel directly into the engine's combustion chamber or intake manifold. Unlike older carburetor systems, which rely on air pressure to draw fuel into the engine, the fuel injection system uses electronic controls to precisely manage the amount of fuel injected. This precision allows for better combustion, resulting in more power and lower fuel consumption.One of the significant advantages of the fuel injection system is its ability to adapt to various driving conditions. For instance, when a driver accelerates rapidly, the system can increase the fuel supply to meet the engine's demands. Conversely, during steady cruising, it can reduce the fuel flow to enhance fuel economy. This adaptability not only improves performance but also helps in minimizing harmful emissions, making vehicles more environmentally friendly.There are two primary types of fuel injection systems: port fuel injection and direct fuel injection. Port fuel injection sprays fuel into the intake manifold, where it mixes with air before entering the combustion chamber. This method has been widely used for many years and is known for its reliability and simplicity. On the other hand, direct fuel injection injects fuel directly into the combustion chamber at high pressure. This method allows for greater efficiency and power but can lead to issues such as carbon buildup on the intake valves, requiring regular maintenance.The components of a fuel injection system include fuel injectors, a fuel pump, an engine control unit (ECU), and various sensors. The ECU plays a vital role in monitoring engine conditions and adjusting the fuel delivery accordingly. Sensors measure parameters such as air intake temperature, throttle position, and oxygen levels in the exhaust. By processing this information, the ECU can optimize the fuel-air mixture for different operating conditions.In conclusion, the fuel injection system is a remarkable innovation that has transformed the automotive landscape. Its ability to provide precise fuel delivery enhances engine performance and efficiency while reducing emissions. As technology continues to advance, we can expect further improvements in fuel injection systems, making vehicles even more efficient and environmentally friendly. For those passionate about cars, understanding the intricacies of the fuel injection system is essential, as it represents a significant leap forward in automotive engineering.

现代汽车工业在过去几十年中经历了显著的变革，其中最关键的进步之一就是开发了燃油喷射系统。这项技术彻底改变了发动机的工作方式，提高了效率、性能并减少了排放。理解燃油喷射系统对任何对汽车感兴趣的人来说都是至关重要的，无论是业余爱好者还是专业机械师。燃油喷射系统的核心设计是将燃油直接送入发动机的燃烧室或进气歧管。与依靠空气压力将燃油吸入发动机的旧式化油器系统不同，燃油喷射系统使用电子控制来精确管理注入的燃油量。这种精确性使得燃烧更为充分，从而产生更多动力并降低燃油消耗。燃油喷射系统的一个主要优势是能够适应各种驾驶条件。例如，当驾驶员快速加速时，系统可以增加燃油供应以满足发动机的需求。相反，在稳定巡航时，它可以减少燃油流量以提高燃油经济性。这种适应性不仅提高了性能，还帮助减少有害排放，使车辆更加环保。燃油喷射系统主要有两种类型：端口燃油喷射和直接燃油喷射。端口燃油喷射将燃油喷入进气歧管，在进入燃烧室之前与空气混合。这种方法已经被广泛使用多年，以其可靠性和简单性而闻名。另一方面，直接燃油喷射则是在高压下将燃油直接喷入燃烧室。这种方法允许更高的效率和动力，但可能导致进气阀上的碳积聚等问题，需要定期维护。燃油喷射系统的组成部分包括燃油喷射器、燃油泵、发动机控制单元（ECU）以及各种传感器。ECU在监控发动机状态和相应调整燃油供给方面发挥着至关重要的作用。传感器测量诸如进气温度、油门位置和废气中的氧气水平等参数。通过处理这些信息，ECU可以优化不同操作条件下的燃油-空气混合比。总之，燃油喷射系统是一项了不起的创新，彻底改变了汽车领域。其提供精确燃油供给的能力提高了发动机性能和效率，同时减少了排放。随着技术的不断进步，我们可以期待燃油喷射系统的进一步改进，使车辆更加高效和环保。对于那些热爱汽车的人来说，理解燃油喷射系统的复杂性是必不可少的，因为它代表了汽车工程的一次重大飞跃。