piston ring

简明释义

活塞环

英英释义

A piston ring is a metallic ring that fits into a groove on the outer diameter of a piston in an internal combustion engine, serving to seal the combustion chamber and control oil consumption.

活塞环是一个金属环,适合于内燃机活塞外径的凹槽中,用于密封燃烧室并控制油耗。

例句

1.The piston ring helps create a seal between the piston and the cylinder wall.

活塞环帮助在活塞和气缸壁之间形成密封。

2.The mechanic replaced the piston ring to improve engine performance.

机械师更换了活塞环以提高发动机性能。

3.A worn piston ring can lead to excessive oil consumption.

磨损的活塞环会导致过量消耗机油。

4.If the piston ring is damaged, it can cause a loss of compression.

如果活塞环损坏,可能会导致压缩失效。

5.During the overhaul, we checked the condition of the piston ring.

在大修期间,我们检查了活塞环的状况。

作文

The internal combustion engine is a marvel of engineering, and one of its critical components is the piston ring. The piston ring plays a vital role in ensuring the efficient operation of the engine. It is a thin ring made of metal that fits into a groove on the piston, which moves up and down within the cylinder. The primary function of the piston ring is to create a seal between the piston and the cylinder wall, preventing the escape of gases during combustion. This sealing effect is essential because it allows the engine to maintain the necessary compression for efficient power generation.In addition to sealing, the piston ring also assists in regulating oil consumption within the engine. It helps to scrape excess oil off the cylinder walls, ensuring that only the required amount of oil lubricates the moving parts. This function is crucial because excessive oil consumption can lead to increased emissions and reduced engine performance. Therefore, the design and material of the piston ring are carefully considered to optimize its performance and longevity.Over time, piston rings can wear out due to the constant friction and heat they endure. This wear can lead to a loss of compression, resulting in decreased engine efficiency and power. Mechanics often check the condition of the piston ring during routine maintenance or when diagnosing engine problems. If they find that the piston ring is damaged or worn, it may need to be replaced to restore the engine's performance.There are different types of piston rings, including compression rings and oil control rings. Compression rings are designed to withstand high pressures and temperatures, while oil control rings manage the oil level in the combustion chamber. Each type of piston ring has its unique characteristics, and understanding these differences is crucial for anyone involved in engine maintenance or repair.In summary, the piston ring is an essential component of an internal combustion engine, responsible for sealing the combustion chamber and regulating oil consumption. Its proper functioning is crucial for maintaining engine performance and efficiency. As technology advances, the materials and designs of piston rings continue to evolve, leading to better performance and longer-lasting engines. Whether you are a car enthusiast or a professional mechanic, understanding the significance of the piston ring is fundamental to appreciating how engines work and how to keep them running smoothly.

内燃机是工程的奇迹,其中一个关键组件是活塞环活塞环在确保发动机高效运转方面发挥着至关重要的作用。它是一个由金属制成的薄环,适合于活塞上的一个凹槽中,活塞在气缸内上下移动。活塞环的主要功能是在活塞和气缸壁之间形成密封,防止燃烧过程中气体的泄漏。这种密封效果至关重要,因为它允许发动机保持必要的压缩,以实现高效的动力生成。除了密封外,活塞环还帮助调节发动机内部的油耗。它有助于刮去气缸壁上多余的油,确保只有所需的油量润滑运动部件。这个功能至关重要,因为过量的油耗会导致排放增加和发动机性能下降。因此,活塞环的设计和材料经过精心考虑,以优化其性能和耐用性。随着时间的推移,活塞环可能因不断的摩擦和热量而磨损。这种磨损可能导致压缩损失,从而导致发动机效率和功率下降。机械师通常在例行维护或诊断发动机问题时检查活塞环的状况。如果他们发现活塞环受损或磨损,可能需要更换,以恢复发动机的性能。有不同类型的活塞环,包括压缩环和油控制环。压缩环旨在承受高压力和高温,而油控制环则管理燃烧室内的油位。每种类型的活塞环都有其独特的特性,理解这些差异对于参与发动机维护或修理的人来说至关重要。总之,活塞环是内燃机的重要组成部分,负责密封燃烧室和调节油耗。它的正常运作对于维持发动机性能和效率至关重要。随着技术的进步,活塞环的材料和设计不断演变,带来了更好的性能和更长的发动机使用寿命。无论你是汽车爱好者还是专业机械师,理解活塞环的重要性是欣赏发动机工作原理和如何保持其顺利运转的基础。

相关单词

piston

piston详解:怎么读、什么意思、用法