valve rocker arm

简明释义

气阀摇杆

英英释义

例句

1.The mechanic replaced the broken valve rocker arm 气门摇臂 to restore engine performance.

机械师更换了损坏的气门摇臂以恢复发动机性能。

2.During the inspection, we found that the valve rocker arm 气门摇臂 was excessively worn.

在检查中，我们发现气门摇臂严重磨损。

3.Make sure to lubricate the valve rocker arm 气门摇臂 during regular maintenance.

在定期维护时，一定要给气门摇臂润滑。

4.A faulty valve rocker arm 气门摇臂 can lead to poor valve timing and reduced power.

故障的气门摇臂可能导致阀门时序不良和动力下降。

5.To improve efficiency, the engineers designed a new valve rocker arm 气门摇臂 with lighter materials.

为了提高效率，工程师设计了一种使用更轻材料的新气门摇臂。

作文

The internal combustion engine is a complex machine that relies on various components to function efficiently. One of these critical components is the valve rocker arm, which plays an essential role in the engine's operation. Understanding the function and significance of the valve rocker arm can provide insights into how engines work and why they require regular maintenance.The valve rocker arm is a part of the engine's valve train, which is responsible for opening and closing the engine's intake and exhaust valves. These valves are crucial for allowing air and fuel to enter the combustion chamber and for expelling exhaust gases after combustion. The valve rocker arm acts as a lever that transmits motion from the camshaft to the valves. When the camshaft rotates, it pushes against the valve rocker arm, causing it to pivot and push the valve open.In most engines, the valve rocker arm is designed to convert the rotational motion of the camshaft into linear motion, which is necessary to operate the valves. This conversion is vital because the camshaft rotates at a constant speed, while the opening and closing of the valves must occur at specific intervals during the engine cycle. The precise timing of these actions is crucial for optimal engine performance, fuel efficiency, and emissions control.Moreover, the valve rocker arm is typically made from durable materials such as steel or aluminum to withstand the high pressures and temperatures within the engine. Over time, however, these components can wear out due to friction and heat. Regular maintenance, including oil changes and inspections, is essential to ensure the longevity of the valve rocker arm and the overall health of the engine.Failure of the valve rocker arm can lead to severe engine problems. If the valve rocker arm becomes damaged or misaligned, it can cause the valves to not open or close properly, leading to reduced engine performance, increased fuel consumption, and even engine failure. Therefore, understanding the role of the valve rocker arm helps car owners recognize the importance of routine checks and timely repairs.In conclusion, the valve rocker arm is a vital component of the internal combustion engine that facilitates the proper functioning of the engine's valves. Its ability to convert rotational motion into linear motion is crucial for maintaining the engine's efficiency and performance. By appreciating the significance of the valve rocker arm, vehicle owners can better understand the importance of regular maintenance and the potential consequences of neglecting this essential part of their engine. Keeping an eye on the valve rocker arm and ensuring it is in good condition can lead to a smoother and more efficient driving experience.

内燃机是一种复杂的机器，依赖于各种组件以高效运作。其中一个关键组件是阀摇臂，它在发动机的运行中发挥着重要作用。理解阀摇臂的功能和重要性可以提供对发动机工作原理的深入了解，以及为什么它们需要定期维护。阀摇臂是发动机阀门传动系统的一部分，负责打开和关闭发动机的进气和排气阀。这些阀门对于允许空气和燃料进入燃烧室以及在燃烧后排出废气至关重要。阀摇臂作为一个杠杆，将运动从凸轮轴传递到阀门。当凸轮轴旋转时，它推动阀摇臂，使其铰接并推动阀门打开。在大多数发动机中，阀摇臂被设计成将凸轮轴的旋转运动转换为线性运动，这对于操作阀门是必要的。这种转换至关重要，因为凸轮轴以恒定速度旋转，而阀门的开闭必须在发动机周期中的特定间隔内发生。这些动作的精确时机对于最佳发动机性能、燃油效率和排放控制至关重要。此外，阀摇臂通常由耐用材料如钢或铝制成，以承受发动机内部的高压和高温。然而，随着时间的推移，这些组件可能会因摩擦和热量而磨损。定期维护，包括换油和检查，对于确保阀摇臂及整个发动机的健康至关重要。阀摇臂的故障可能导致严重的发动机问题。如果阀摇臂损坏或错位，可能会导致阀门无法正确打开或关闭，从而导致发动机性能下降、燃油消耗增加，甚至发动机故障。因此，理解阀摇臂的作用可以帮助车主认识到定期检查和及时修理的重要性。总之，阀摇臂是内燃机的重要组成部分，促进了发动机阀门的正常运作。它将旋转运动转换为线性运动的能力对于维持发动机的效率和性能至关重要。通过欣赏阀摇臂的重要性，车辆所有者可以更好地理解定期维护的重要性以及忽视这一发动机关键部件的潜在后果。关注阀摇臂并确保其处于良好状态，可以带来更顺畅、更高效的驾驶体验。