valve guide

简明释义

阀导承

英英释义

例句

1.During the rebuild, we decided to install new valve guides 气门导向套 for better sealing.

在重建过程中，我们决定安装新的气门导向套以获得更好的密封效果。

2.The mechanic inspected the engine and found that the valve guide 气门导向套 was worn out.

技师检查了发动机，发现气门导向套已经磨损。

3.The technician measured the clearance of the valve guide 气门导向套 to ensure proper fit.

技术员测量了气门导向套的间隙，以确保合适的配合。

4.Replacing the valve guide 气门导向套 can improve engine performance significantly.

更换气门导向套可以显著提高发动机性能。

5.A faulty valve guide 气门导向套 can lead to excessive oil consumption.

故障的气门导向套会导致过量的油耗。

作文

The engine is one of the most crucial components of any vehicle, and understanding its various parts can significantly enhance our knowledge of how it operates. One of the lesser-known but essential components of an engine is the valve guide, which plays a vital role in the functioning of the engine's valves. The valve guide is a cylindrical component that provides support and alignment for the valve stem as it moves up and down within the engine cylinder head. This part ensures that the valve operates smoothly and efficiently, preventing excessive wear and tear on both the valve and the engine itself.In an internal combustion engine, the valves are responsible for controlling the intake of air and fuel into the combustion chamber and the expulsion of exhaust gases. The valve guide helps maintain the correct positioning of the valves during this process. When the engine runs, the valves open and close rapidly, and if the valve guide is worn or damaged, it can lead to misalignment and improper sealing. This misalignment can cause a variety of problems, including decreased engine performance, increased fuel consumption, and even engine failure in severe cases.The materials used to manufacture valve guides are typically chosen for their durability and resistance to heat and wear. Common materials include bronze, cast iron, and various alloys designed to withstand the harsh conditions within an engine. Over time, however, even the most durable materials can wear down due to the constant friction and heat generated during engine operation. Regular maintenance and inspection of the valve guide can help identify potential issues before they escalate into more significant problems.When replacing or repairing a valve guide, it is essential to ensure that the new guide is compatible with the specific make and model of the engine. Proper installation is also critical, as an improperly fitted valve guide can lead to further complications. Mechanics often use specialized tools to measure the clearance between the valve stem and the valve guide to ensure optimal performance.In summary, the valve guide may not be the most glamorous part of an engine, but its importance cannot be overstated. It is a small yet crucial component that ensures the smooth operation of the engine's valves. By understanding the role of the valve guide in engine performance, car owners and mechanics alike can appreciate the intricacies of engine design and the need for regular maintenance. Keeping an eye on the condition of the valve guide can lead to improved engine efficiency, longer lifespan, and ultimately a better driving experience. Whether you are a car enthusiast or simply someone who relies on a vehicle for daily transportation, knowing about the valve guide can empower you to take better care of your engine and keep it running smoothly for years to come.

发动机是任何车辆中最关键的组成部分之一，理解其各个部件可以显著增强我们对其运作方式的知识。其中一个鲜为人知但至关重要的部件是气门导管，它在发动机阀门的运作中扮演着重要角色。气门导管是一个圆柱形组件，为气门杆在发动机气缸盖内上下移动提供支持和对齐。这一部件确保气门平稳高效地运作，防止气门和发动机本身的过度磨损。在内燃机中，气门负责控制空气和燃料进入燃烧室以及排放废气。气门导管帮助保持气门在这一过程中正确的位置。当发动机运行时，气门快速开闭，如果气门导管磨损或损坏，可能导致不对齐和密封不良。这种不对齐可能引发各种问题，包括发动机性能下降、燃油消耗增加，甚至在严重情况下导致发动机故障。制造气门导管所用的材料通常因其耐用性和耐热、耐磨损的特性而被选中。常见材料包括青铜、铸铁和各种合金，这些材料被设计用来承受发动机内部的恶劣条件。然而，随着时间的推移，即便是最耐用的材料也会因发动机运作中产生的持续摩擦和热量而磨损。定期维护和检查气门导管可以帮助在问题升级为更大问题之前识别潜在问题。在更换或修理气门导管时，确保新导管与特定型号的发动机兼容至关重要。正确的安装也很关键，因为安装不当的气门导管可能导致进一步的并发症。机械师通常使用专业工具测量气门杆与气门导管之间的间隙，以确保最佳性能。总之，气门导管可能不是发动机中最引人注目的部件，但其重要性不容小觑。它是一个小而关键的组件，确保发动机气门的顺利运作。通过了解气门导管在发动机性能中的作用，车主和机械师都能欣赏到发动机设计的复杂性以及定期维护的必要性。关注气门导管的状况可以提高发动机效率，延长使用寿命，最终改善驾驶体验。无论您是汽车爱好者还是仅仅依赖车辆进行日常交通的人，了解气门导管都能让您更好地照顾您的发动机，并使其在未来几年内平稳运行。