valve clearance

简明释义

阀间隙

英英释义

Valve clearance refers to the distance between the valve stem and the rocker arm or camshaft when the valve is closed, which allows for thermal expansion and ensures proper functioning of the engine.

气门间隙是指在气门关闭时,气门杆与摇臂或凸轮轴之间的距离,这个间隙允许热膨胀并确保发动机的正常运作。

例句

1.The mechanic recommended adjusting the valve clearance (气门间隙) to prevent engine overheating.

机械师建议调整valve clearance (气门间隙) 以防止发动机过热。

2.Adjusting the valve clearance (气门间隙) can help reduce engine noise and improve efficiency.

调整valve clearance (气门间隙) 可以帮助减少发动机噪音并提高效率。

3.Regular maintenance includes checking the valve clearance (气门间隙) every 10,000 miles.

定期维护包括每行驶1万英里检查一次valve clearance (气门间隙)。

4.If the valve clearance (气门间隙) is too tight, it may cause the valves to not close properly.

如果valve clearance (气门间隙) 太紧,可能会导致气门无法正确关闭。

5.Before starting the engine, make sure to check the valve clearance (气门间隙) to ensure optimal performance.

在启动发动机之前,确保检查一下valve clearance (气门间隙),以确保最佳性能。

作文

Understanding the concept of valve clearance is essential for anyone interested in automotive mechanics or engine maintenance. In essence, valve clearance refers to the small gap between the engine's valves and their corresponding actuators, which can be either a rocker arm or a camshaft. This gap is crucial because it ensures that the valves open and close at the correct times during the engine's operation. If the valve clearance is too tight, the valves may not close properly, leading to a loss of compression and potential damage to the engine. Conversely, if the valve clearance is too loose, it can result in excessive noise and inefficient engine performance.The importance of maintaining the correct valve clearance cannot be overstated. Most engines are designed with specific tolerances for this clearance, and regular checks are necessary to ensure that these tolerances are adhered to. Mechanics typically recommend checking the valve clearance at regular service intervals, as specified by the vehicle manufacturer. This process often involves removing the valve cover and using feeler gauges to measure the gap accurately.In addition to affecting engine performance, incorrect valve clearance can also impact fuel efficiency and emissions. An engine that operates with improper clearance may burn more fuel than necessary, contributing to higher operating costs and increased environmental pollution. Therefore, understanding and maintaining the correct valve clearance is not only beneficial for the vehicle owner but also for the environment.Moreover, different types of engines have varying specifications for valve clearance. For instance, some modern engines are equipped with hydraulic lifters that automatically adjust the clearance, while others require manual adjustments. Understanding the specific requirements of your engine type is crucial for effective maintenance. For engines that require manual adjustment, mechanics often use a specific procedure to ensure that the valve clearance is set correctly. This usually involves rotating the engine to a specific position and adjusting each valve to the manufacturer's specifications.In conclusion, the concept of valve clearance is fundamental to the proper functioning of an internal combustion engine. Regular maintenance and checks of the valve clearance can lead to improved engine performance, better fuel efficiency, and reduced emissions. Whether you are a car enthusiast or simply a vehicle owner, understanding how valve clearance works will empower you to take better care of your engine and prolong its lifespan. Investing time in learning about valve clearance can save you money in the long run and ensure that your vehicle runs smoothly for years to come.

理解气门间隙的概念对于任何对汽车机械或发动机维护感兴趣的人来说都是至关重要的。简单来说,气门间隙是指发动机的气门与其相应的执行器(可以是摇臂或凸轮轴)之间的小间隙。这个间隙至关重要,因为它确保气门在发动机运行期间按正确的时间打开和关闭。如果气门间隙过紧,气门可能无法正确关闭,导致压缩损失和潜在的发动机损坏。相反,如果气门间隙过松,会导致过多的噪音和低效的发动机性能。保持正确的气门间隙的重要性不容小觑。大多数发动机都设计有特定的间隙公差,定期检查是确保遵守这些公差的必要措施。机械师通常建议在车辆制造商规定的定期服务间隔内检查气门间隙。这个过程通常涉及拆卸气门盖,并使用塞尺准确测量间隙。除了影响发动机性能外,不正确的气门间隙还会影响燃油效率和排放。一个以不当间隙运行的发动机可能会消耗更多的燃料,从而增加运营成本并加剧环境污染。因此,理解和维持正确的气门间隙不仅对车辆拥有者有利,也对环境有益。此外,不同类型的发动机对气门间隙有不同的规格。例如,一些现代发动机配备了可以自动调节间隙的液压挺杆,而其他发动机则需要手动调整。了解您所驾驶的发动机类型的具体要求对于有效的维护至关重要。对于需要手动调整的发动机,机械师通常会使用特定程序来确保气门间隙的正确设置。这通常涉及将发动机旋转到特定位置,并根据制造商的规格调整每个气门。总之,气门间隙的概念是内燃机正常运作的基础。定期维护和检查气门间隙可以提高发动机性能,改善燃油效率,并减少排放。无论您是汽车爱好者还是普通车主,了解气门间隙的工作原理将使您更好地照顾您的发动机并延长其使用寿命。投入时间学习气门间隙的知识可以为您节省长期费用,并确保您的车辆在未来数年内平稳运行。

相关单词

clearance

clearance详解:怎么读、什么意思、用法