piston assembly

简明释义

活塞总成

英英释义

例句

1.After disassembling the engine, he carefully cleaned the piston assembly before reinstallation.

拆卸发动机后，他仔细清洁了活塞组件，然后再进行安装。

2.The piston assembly is crucial for the engine's compression process.

活塞组件对于发动机的压缩过程至关重要。

3.The mechanic replaced the piston assembly in the engine to improve performance.

技师更换了发动机中的活塞组件以提高性能。

4.During the inspection, we found that the piston assembly was worn out and needed replacement.

在检查过程中，我们发现活塞组件磨损严重，需要更换。

5.The technician showed me how to properly install a new piston assembly.

技术员向我展示了如何正确安装新的活塞组件。

作文

The internal combustion engine is a marvel of engineering that powers many vehicles and machines we use today. At the heart of this engine lies a crucial component known as the piston assembly. This assembly plays a vital role in converting fuel into mechanical energy, enabling the engine to function efficiently. Understanding the piston assembly is essential for anyone interested in automotive technology or mechanical engineering.A typical piston assembly consists of several key parts: the piston, piston rings, connecting rod, and crankshaft. The piston itself is a cylindrical component that moves up and down within the cylinder of the engine. The motion of the piston is driven by the combustion of fuel, which creates high-pressure gases that push the piston down. This movement is what ultimately turns the crankshaft, leading to the rotation of the wheels in a vehicle.The piston rings are another critical element of the piston assembly. They fit snugly around the piston and serve multiple purposes. Firstly, they create a seal between the piston and the cylinder wall, preventing the escape of combustion gases. This sealing action is vital for maintaining engine efficiency and power. Secondly, the piston rings help regulate oil consumption by scraping excess oil off the cylinder walls, ensuring that the engine runs smoothly without excessive wear.The connecting rod links the piston to the crankshaft. As the piston moves up and down, the connecting rod converts this linear motion into rotational motion, which is essential for powering the vehicle. The design and materials used in the piston assembly are critical for its performance. Engineers must consider factors such as weight, strength, and thermal expansion when designing these components.Maintenance of the piston assembly is crucial for the longevity of an engine. Over time, wear and tear can occur due to the extreme conditions inside the engine. Regular oil changes, monitoring for unusual noises, and checking for leaks can help ensure that the piston assembly remains in good working condition. If any part of the assembly fails, it can lead to significant engine damage and costly repairs.In recent years, advancements in technology have led to improvements in the design and materials used for piston assemblies. For instance, manufacturers are now using lightweight materials such as aluminum alloys, which reduce overall engine weight and improve fuel efficiency. Additionally, innovations in piston ring design have led to better sealing and reduced friction, further enhancing engine performance.In conclusion, the piston assembly is a fundamental component of internal combustion engines. Its design and functionality are critical to the engine's ability to convert fuel into movement. A thorough understanding of the piston assembly not only helps in appreciating automotive technology but also emphasizes the importance of regular maintenance to ensure optimal engine performance. As technology continues to evolve, so too will the designs and materials used in piston assemblies, paving the way for more efficient and powerful engines in the future.

内燃机是一项工程的奇迹，驱动着我们今天使用的许多车辆和机器。在这个引擎的核心是一个关键组件，称为活塞组件。这个组件在将燃料转化为机械能方面发挥着至关重要的作用，使引擎能够高效运作。理解活塞组件对于任何对汽车技术或机械工程感兴趣的人来说都是必不可少的。典型的活塞组件由几个关键部分组成：活塞、活塞环、连杆和曲轴。活塞本身是一个圆柱形组件，在引擎的气缸内上下移动。活塞的运动是由燃料的燃烧驱动的，这会产生高压气体，推动活塞向下移动。这一运动最终使曲轴转动，从而驱动车辆的车轮。活塞环是活塞组件的另一个关键元素。它们紧密贴合在活塞周围，具有多重用途。首先，它们在活塞和气缸壁之间形成密封，防止燃烧气体逸出。这种密封作用对于维持引擎的效率和动力至关重要。其次，活塞环通过刮去气缸壁上的多余油脂来帮助调节油耗，确保引擎平稳运行而不出现过度磨损。连杆将活塞与曲轴连接起来。当活塞上下移动时，连杆将这种直线运动转换为旋转运动，这是驱动车辆所必需的。活塞组件的设计和材料对其性能至关重要。工程师在设计这些组件时必须考虑重量、强度和热膨胀等因素。维护活塞组件对于引擎的寿命至关重要。随着时间的推移，由于引擎内部的极端条件，磨损可能会发生。定期更换机油、监测异常噪音和检查泄漏可以帮助确保活塞组件保持良好的工作状态。如果组件的任何部分发生故障，可能会导致严重的引擎损坏和昂贵的维修费用。近年来，技术的进步使得活塞组件的设计和材料得到了改善。例如，制造商现在使用铝合金等轻质材料，减少整体引擎重量，提高燃油效率。此外，活塞环设计的创新也导致了更好的密封和减少摩擦，进一步增强了引擎性能。总之，活塞组件是内燃机的基本组成部分。它的设计和功能对引擎将燃料转化为运动的能力至关重要。全面理解活塞组件不仅有助于欣赏汽车技术，还强调了定期维护的重要性，以确保引擎的最佳性能。随着技术的不断发展，活塞组件的设计和材料也将不断演变，为未来更高效、更强大的引擎铺平道路。