open crank case

简明释义

开式曲柄箱

英英释义

例句

1.After the accident, the car was found with an open crank case, indicating a potential engine failure.

事故后，汽车被发现有一个开放曲轴箱，这表明可能发生了发动机故障。

2.An open crank case can expose the internal components of the engine to contaminants in the environment.

开放曲轴箱可能会使发动机内部部件暴露于环境中的污染物。

3.To diagnose the problem, we need to remove the cover and check the open crank case for any debris.

为了诊断问题，我们需要拆下盖子，检查一下开放曲轴箱是否有任何杂物。

4.The mechanic advised against running the engine with an open crank case as it could cause serious damage.

机械师建议不要在开放曲轴箱的情况下运行发动机，因为这可能会造成严重损坏。

5.During the inspection, we found that the engine had an open crank case which could lead to oil leakage.

在检查过程中，我们发现发动机有一个开放曲轴箱，这可能导致油泄漏。

作文

The engine is the heart of any vehicle, and understanding its components is crucial for anyone interested in automotive mechanics. One of the essential parts of an engine is the crankcase, which houses the crankshaft and supports various engine components. In particular, the term open crank case refers to a specific design where the crankcase is not fully enclosed. This design can have significant implications for engine performance and maintenance. The concept of an open crank case can be traced back to earlier engine designs where space and weight were critical factors. In these engines, the crankcase was often left open or partially exposed to allow for easier access to the crankshaft and other internal components. This accessibility made it simpler for mechanics to perform repairs and maintenance, as they could reach vital parts without disassembling the entire engine. However, this design also had its drawbacks. An open crank case can lead to increased exposure to dirt and debris, which may contaminate the engine oil and cause premature wear on the components.Modern engines have largely moved away from the open crank case design due to advancements in technology and engineering. Enclosed crankcases provide better protection against environmental factors, ensuring that the internal components remain clean and well-lubricated. Additionally, closed crankcases help to contain oil leaks and reduce the overall weight of the engine, contributing to improved fuel efficiency. Despite these advancements, there are still applications where an open crank case might be beneficial. For example, some high-performance racing engines utilize this design to reduce weight and improve airflow. In these cases, the benefits of an open crank case may outweigh the potential risks, as the engines are designed to operate under controlled conditions. In conclusion, while the open crank case design has largely fallen out of favor in modern automotive engineering, it remains an important concept in the history of engine development. Understanding the implications of this design can provide valuable insights into the evolution of engine technology and the ongoing quest for improved performance and efficiency. As we continue to innovate in the field of automotive engineering, the lessons learned from both open crank case and enclosed designs will undoubtedly influence future developments in engine design and functionality.

发动机是任何车辆的心脏，理解其组成部分对任何对汽车机械感兴趣的人来说都是至关重要的。发动机的一个基本部分是曲轴箱，它容纳曲轴并支撑各种发动机组件。特别是，术语开放曲轴箱指的是一种特定设计，其中曲轴箱并未完全封闭。这种设计可能对发动机的性能和维护产生重大影响。开放曲轴箱的概念可以追溯到早期的发动机设计，当时空间和重量是关键因素。在这些发动机中，曲轴箱通常保持开放或部分暴露，以便更容易接触曲轴和其他内部组件。这种可达性使机械师能够更简单地进行维修和维护，因为他们可以在不拆解整个发动机的情况下接触到重要部件。然而，这种设计也有其缺点。开放曲轴箱可能导致对灰尘和碎片的增加暴露，这可能污染发动机油并导致组件的过早磨损。现代发动机在很大程度上已经抛弃了开放曲轴箱设计，这是由于技术和工程的进步。封闭的曲轴箱提供了更好的保护，防止环境因素的影响，确保内部组件保持清洁并良好润滑。此外，封闭的曲轴箱有助于控制油泄漏并减少发动机的整体重量，从而提高燃油效率。尽管有这些进展，但仍然有一些应用可能会受益于开放曲轴箱。例如，一些高性能赛车发动机利用这种设计来减轻重量并改善气流。在这些情况下，开放曲轴箱的好处可能超过潜在的风险，因为这些发动机被设计为在受控条件下运行。总之，虽然开放曲轴箱设计在现代汽车工程中已大大失宠，但它仍然是发动机发展历史中的一个重要概念。理解这种设计的影响可以为我们提供关于发动机技术演变的宝贵见解，以及对提升性能和效率的持续追求。随着我们在汽车工程领域不断创新，从开放曲轴箱和封闭设计中学到的经验教训无疑将影响未来的发动机设计和功能的发展。