injection pump

简明释义

喷射泵

英英释义

例句

1.Regular maintenance of the injection pump can prevent engine problems.

定期维护喷油泵可以防止发动机问题。

2.He diagnosed the issue as a malfunctioning injection pump after checking the fuel system.

在检查燃油系统后，他诊断出问题是由于喷油泵故障。

3.An electronic injection pump offers better fuel efficiency compared to mechanical ones.

电子喷油泵相比机械型提供更好的燃油效率。

4.The mechanic replaced the faulty injection pump to improve the car's performance.

机械师更换了故障的喷油泵以提高汽车的性能。

5.The diesel injection pump is crucial for the efficient operation of heavy machinery.

柴油喷油泵对于重型机械的高效运行至关重要。

作文

The role of an injection pump in modern engines cannot be understated. An injection pump is a critical component in diesel engines, responsible for delivering fuel to the engine's combustion chamber at the correct pressure and timing. This process is essential for efficient combustion and optimal engine performance. Without a properly functioning injection pump, an engine would struggle to operate effectively, leading to reduced power output and increased emissions.In essence, the injection pump works by pressurizing the fuel and injecting it into the combustion chamber at precise intervals. This precision is crucial because it ensures that the fuel mixes thoroughly with the air, allowing for a more complete and efficient burn. Modern injection pumps are often electronically controlled, enabling them to adjust the fuel delivery based on various factors such as engine load and temperature. This technological advancement has significantly improved the efficiency and performance of diesel engines.One of the main types of injection pumps used in diesel engines is the rotary pump. This type of pump uses a rotating mechanism to draw fuel from the tank and deliver it to the injectors. Rotary injection pumps are known for their reliability and durability, making them a popular choice among manufacturers. Another common type is the inline pump, which consists of multiple pumping elements arranged in a line. Each element feeds fuel to the injectors, ensuring a steady flow of fuel to the engine.The maintenance of an injection pump is vital for the longevity of an engine. Regular checks and servicing can prevent issues such as fuel leaks or blockages, which can lead to severe engine damage. Additionally, using high-quality fuel can help maintain the integrity of the injection pump and ensure optimal performance. Many mechanics recommend replacing the injection pump every 100,000 miles or so, depending on the vehicle and its usage.In conclusion, the injection pump is an indispensable part of diesel engines, playing a significant role in fuel delivery and combustion efficiency. Understanding how it works and the importance of maintaining it can help vehicle owners ensure their engines run smoothly and efficiently. As technology continues to evolve, we can expect further advancements in injection pump design and functionality, leading to even greater improvements in engine performance and environmental impact.

现代发动机中喷油泵的角色不可低估。喷油泵是柴油发动机中的关键组件，负责以正确的压力和时机将燃料输送到发动机的燃烧室。这个过程对于高效燃烧和最佳发动机性能至关重要。如果没有正常工作的喷油泵，发动机将难以有效运行，导致功率输出降低和排放增加。从本质上讲，喷油泵通过对燃料加压并在精确的间隔内将其注入燃烧室来工作。这种精确性至关重要，因为它确保燃料与空气充分混合，从而实现更完全和高效的燃烧。现代喷油泵通常是电子控制的，使它们能够根据发动机负荷和温度等各种因素调整燃料供给。这一技术进步显著提高了柴油发动机的效率和性能。在柴油发动机中使用的主要类型的喷油泵之一是旋转泵。这种类型的泵使用旋转机制从油箱抽取燃料并将其输送到喷油器。旋转喷油泵以其可靠性和耐用性而闻名，成为制造商的热门选择。另一种常见类型是直列泵，其由多个排列成一条线的泵送元件组成。每个元件都向喷油器供油，确保燃料稳定地流向发动机。维护喷油泵对于发动机的寿命至关重要。定期检查和服务可以防止燃料泄漏或堵塞等问题，这可能导致严重的发动机损坏。此外，使用高质量的燃料可以帮助保持喷油泵的完整性并确保最佳性能。许多机械师建议每行驶10万英里左右更换一次喷油泵，具体取决于车辆及其使用情况。总之，喷油泵是柴油发动机中不可或缺的一部分，在燃料输送和燃烧效率中扮演着重要角色。了解它的工作原理和维护它的重要性可以帮助车辆拥有者确保他们的发动机平稳高效地运行。随着技术的不断发展，我们可以期待在喷油泵设计和功能方面进一步的进步，从而带来更大的发动机性能和环境影响的改善。