valve lifter

简明释义

气门挺杆

英英释义

例句

1.A faulty valve lifter can cause a ticking noise in your engine.

故障的气门挺杆可能会导致发动机发出嘀嗒声。

2.Regular maintenance can help prevent issues with the valve lifter.

定期维护可以帮助防止气门挺杆出现问题。

3.He noticed a drop in power and suspected the valve lifter was the issue.

他注意到动力下降，怀疑气门挺杆是问题所在。

4.When rebuilding the engine, make sure to inspect each valve lifter carefully.

在重建发动机时，务必仔细检查每个气门挺杆。

5.The mechanic replaced the worn-out valve lifter to improve engine performance.

机械师更换了磨损的气门挺杆以提高发动机性能。

作文

The internal combustion engine is a marvel of engineering, and one of its critical components is the valve lifter. The valve lifter plays an essential role in the operation of an engine by controlling the opening and closing of the valves. These valves are responsible for allowing air and fuel into the combustion chamber and letting exhaust gases out. Without the proper functioning of the valve lifter, an engine would struggle to perform efficiently or may not run at all.To understand the significance of the valve lifter, it is important to recognize how it interacts with other engine components. The valve lifter is typically connected to the camshaft, which rotates and pushes the lifter up to open the valve. When the camshaft rotates, it follows a specific profile designed to optimize performance at various engine speeds. As the valve lifter rises, it pushes against the pushrod, which in turn opens the valve.There are different types of valve lifters, including hydraulic and solid lifters. Hydraulic lifters automatically adjust themselves to maintain zero clearance between the lifter and the valve stem, reducing noise and wear. Solid lifters, on the other hand, require manual adjustment and can provide a more direct connection between the camshaft and the valve, which some performance enthusiasts prefer. Each type has its advantages and disadvantages, depending on the intended use of the engine.Maintaining the valve lifter is crucial for the longevity and performance of an engine. Regular oil changes and using high-quality oil can help keep the hydraulic lifters functioning properly. If a valve lifter fails, it can lead to a host of problems, including a ticking noise from the engine, poor performance, and even engine damage. Therefore, it is vital for car owners to be aware of the signs of a failing valve lifter and seek repairs promptly.In conclusion, the valve lifter is a small but mighty component of an internal combustion engine. Its role in managing valve operation is fundamental to the engine's overall performance. Understanding how the valve lifter works and maintaining it properly can lead to a more efficient and reliable vehicle. As technology continues to evolve, the design and functionality of valve lifters may change, but their importance in the world of automotive engineering will remain significant. For anyone interested in automotive mechanics, gaining knowledge about the valve lifter and its function is essential for both understanding engine dynamics and ensuring optimal performance.

内燃机是工程的奇迹，其关键组件之一就是阀门提升器。阀门提升器在发动机的运行中起着至关重要的作用，控制阀门的开启和关闭。这些阀门负责将空气和燃料引入燃烧室，并排出废气。如果阀门提升器无法正常工作，发动机将难以高效运行，甚至可能根本无法启动。要理解阀门提升器的重要性，必须认识到它与其他发动机部件的相互作用。阀门提升器通常与凸轮轴相连，凸轮轴旋转并推动提升器向上打开阀门。当凸轮轴旋转时，它遵循特定的轮廓设计，以优化在各种发动机转速下的性能。随着阀门提升器的上升，它推动推杆，从而打开阀门。有不同类型的阀门提升器，包括液压提升器和固体提升器。液压提升器会自动调整自身以保持提升器与阀杆之间的零间隙，从而减少噪音和磨损。另一方面，固体提升器需要手动调整，可以提供更直接的连接，某些性能爱好者更喜欢这种方式。每种类型都有其优缺点，具体取决于发动机的使用目的。维护阀门提升器对于发动机的长寿和性能至关重要。定期更换机油和使用高质量的机油可以帮助保持液压提升器正常运作。如果阀门提升器发生故障，可能会导致一系列问题，包括发动机发出滴答声、性能下降，甚至发动机损坏。因此，车主必须注意阀门提升器故障的迹象，并及时寻求修理。总之，阀门提升器是内燃机一个小但强大的组件。它在管理阀门操作中的作用对发动机的整体性能至关重要。了解阀门提升器的工作原理并妥善维护，可以使车辆更加高效和可靠。随着技术的不断发展，阀门提升器的设计和功能可能会发生变化，但它们在汽车工程领域的重要性将始终存在。对于任何对汽车机械感兴趣的人来说，了解阀门提升器及其功能是理解发动机动态和确保最佳性能的关键。