valve seizing

简明释义

阀咬住

英英释义

例句

1.The technician explained that valve seizing can lead to catastrophic engine failure.

技术员解释说，阀门卡死可能导致灾难性的发动机故障。

2.The mechanic diagnosed the issue as a result of the valve seizing.

机械师诊断出问题是由于阀门卡死。

3.Regular maintenance can prevent valve seizing in older engines.

定期维护可以防止旧发动机出现阀门卡死。

4.They found evidence of valve seizing during the engine teardown.

在拆解发动机时，他们发现了阀门卡死的证据。

5.After the car overheated, I suspected valve seizing was the cause.

汽车过热后，我怀疑阀门卡死是原因。

作文

In the world of machinery and automotive engineering, various components work together to ensure optimal performance. One critical aspect that engineers and mechanics must pay attention to is the functioning of valves. Valves are essential parts in engines, controlling the flow of air and fuel into the combustion chamber. However, when these valves malfunction, it can lead to serious issues, one of which is known as valve seizing. This term refers to the situation where a valve becomes stuck and fails to open or close properly, which can result in engine failure or reduced efficiency.The phenomenon of valve seizing often occurs due to a lack of lubrication, overheating, or the accumulation of carbon deposits. When a valve seizes, it can cause significant damage not only to the valve itself but also to other engine components. For instance, if an intake valve seizes, it may prevent the engine from drawing in the necessary air-fuel mixture, leading to poor performance and potentially stalling. Similarly, if an exhaust valve seizes, it can trap exhaust gases within the combustion chamber, increasing pressure and risking a catastrophic failure.Preventing valve seizing is crucial for maintaining engine health. Regular maintenance, including oil changes and inspections, can help reduce the risk of this issue. Mechanics often recommend using high-quality lubricants that can withstand high temperatures and reduce friction between moving parts. Additionally, keeping the engine clean and free from carbon buildup can significantly decrease the chances of valves seizing.In some cases, drivers may notice symptoms indicating that valve seizing is imminent. These symptoms can include unusual noises from the engine, decreased power output, or increased oil consumption. If any of these signs are present, it is essential to have the vehicle inspected by a qualified mechanic to address potential issues before they escalate.Furthermore, understanding the causes and consequences of valve seizing can empower vehicle owners to take proactive measures. For example, ensuring that the engine operates within the recommended temperature range can help prevent overheating, a common cause of valve-related problems. Additionally, being mindful of driving habits, such as avoiding excessive idling or aggressive acceleration, can contribute to the overall longevity of engine components.In conclusion, valve seizing is a serious issue that can affect the performance and reliability of an engine. By understanding what it is and how to prevent it, both mechanics and vehicle owners can work together to ensure that engines run smoothly and efficiently. Regular maintenance, proper lubrication, and awareness of engine condition are key factors in preventing this potentially damaging problem. As technology advances, new materials and designs may further reduce the incidence of valve seizing, but for now, vigilance and care remain the best defenses against this mechanical threat.

在机械和汽车工程的世界中，各个组件共同工作以确保最佳性能。工程师和机械师必须关注的一个关键方面是阀门的功能。阀门是发动机中不可或缺的部分，控制空气和燃料流入燃烧室。然而，当这些阀门出现故障时，可能会导致严重的问题，其中之一被称为阀门卡滞。这个术语指的是阀门卡住，无法正常打开或关闭的情况，这可能导致发动机故障或效率降低。阀门卡滞现象通常是由于缺乏润滑、过热或碳沉积物积聚引起的。当阀门卡滞时，不仅会对阀门本身造成重大损害，还会影响其他发动机组件。例如，如果进气阀卡滞，它可能会阻止发动机吸入必要的空气-燃料混合物，导致性能下降并可能熄火。同样，如果排气阀卡滞，它可能会将废气困在燃烧室内，增加压力并冒着灾难性故障的风险。防止阀门卡滞对于维护发动机健康至关重要。定期维护，包括换油和检查，可以帮助降低此问题的风险。机械师通常建议使用高质量的润滑剂，这些润滑剂能够承受高温并减少运动部件之间的摩擦。此外，保持发动机清洁并防止碳沉积物的积聚可以显著降低阀门卡滞的几率。在某些情况下，驾驶者可能会注意到表明阀门卡滞即将发生的症状。这些症状可能包括发动机发出异常噪音、动力输出下降或油耗增加。如果出现任何这些迹象，务必让合格的机械师检查车辆，以在问题升级之前解决潜在问题。此外，了解阀门卡滞的原因和后果可以使车主采取主动措施。例如，确保发动机在推荐的温度范围内运行可以帮助防止过热，这是导致阀门相关问题的常见原因。此外，注意驾驶习惯，例如避免过度怠速或激烈加速，可以有助于整体延长发动机组件的使用寿命。总之，阀门卡滞是一个严重的问题，可能会影响发动机的性能和可靠性。通过了解它是什么以及如何预防，机械师和车辆所有者可以共同努力，确保发动机平稳高效地运行。定期维护、适当润滑和对发动机状况的关注是防止这一潜在损害问题的关键因素。随着技术的进步，新材料和设计可能进一步减少阀门卡滞的发生，但目前，警惕和细心仍然是抵御这一机械威胁的最佳防线。