admission valve

简明释义

1. 进口阀; 2. 进气阀;

英英释义

例句

1.During the inspection, the mechanic found that the admission valve was clogged with debris.

在检查中，机械师发现进气阀被杂物堵塞。

2.Adjusting the timing of the admission valve can enhance fuel efficiency.

调整进气阀的时机可以提高燃油效率。

3.The engine's performance improved significantly after replacing the faulty admission valve.

更换故障的进气阀后，发动机的性能显著提高。

4.The admission valve opens to allow air into the combustion chamber.

进气阀打开以允许空气进入燃烧室。

5.A malfunctioning admission valve can lead to poor engine performance.

故障的进气阀会导致发动机性能差。

作文

The engine is a complex machine that relies on various components to function efficiently. One of these crucial components is the admission valve, which plays a significant role in the intake process of an internal combustion engine. The admission valve is responsible for allowing the air-fuel mixture to enter the combustion chamber, where it is then compressed and ignited to produce power. Without the proper functioning of the admission valve, the engine would not be able to operate effectively, leading to decreased performance and potential damage.In simple terms, the admission valve opens and closes at precise intervals during the engine's cycle. When the piston moves down in the cylinder, the admission valve opens, creating a vacuum that pulls in the air-fuel mixture. Once the piston reaches the bottom of its stroke, the admission valve closes, sealing the combustion chamber. This process is critical because it ensures that the right amount of fuel and air is mixed before ignition occurs.The timing of the admission valve opening and closing is controlled by the engine's camshaft, which is synchronized with the crankshaft. This synchronization is essential for optimal engine performance. If the admission valve opens too early or too late, it can lead to incomplete combustion, resulting in lower power output and higher emissions. Therefore, engineers pay close attention to the design and timing of the admission valve to maximize engine efficiency.In addition to its primary function, the admission valve also plays a role in the overall health of the engine. Over time, carbon deposits can accumulate on the admission valve, affecting its ability to open and close properly. Regular maintenance, such as cleaning the valves, can help prevent these issues and extend the life of the engine. Furthermore, modern engines often utilize variable valve timing technology, which allows for adjustments in the timing of the admission valve based on driving conditions. This innovation enhances performance and fuel efficiency, showcasing the importance of the admission valve in contemporary automotive engineering.In conclusion, the admission valve is an integral part of the internal combustion engine. Its primary role is to control the intake of the air-fuel mixture, ensuring that the engine operates smoothly and efficiently. Understanding the function and significance of the admission valve is essential for anyone interested in automotive technology. As engines continue to evolve, the design and functionality of the admission valve will likely advance as well, reflecting the ongoing quest for improved performance and sustainability in the automotive industry.

发动机是一种复杂的机器，依赖于各种组件来高效运作。其中一个关键组件是进气阀，它在内燃机的进气过程中发挥着重要作用。进气阀负责让空气-燃料混合物进入燃烧室，在那里进行压缩和点燃以产生动力。如果进气阀不能正常工作，发动机就无法有效运转，导致性能下降和潜在损坏。简单来说，进气阀在发动机的循环过程中以精确的间隔打开和关闭。当活塞向下移动时，进气阀打开，产生真空，吸入空气-燃料混合物。一旦活塞到达行程底部，进气阀关闭，密封燃烧室。这个过程至关重要，因为它确保在点燃发生之前，适量的燃料和空气被混合。进气阀的开闭时机由发动机的凸轮轴控制，凸轮轴与曲轴同步。这种同步对优化发动机性能至关重要。如果进气阀开得太早或太晚，会导致燃烧不完全，从而降低功率输出并增加排放。因此，工程师非常关注进气阀的设计和时机，以最大化发动机效率。除了其主要功能外，进气阀还在发动机的整体健康中发挥作用。随着时间的推移，碳沉积物可能会在进气阀上积累，影响其正常开关。定期维护，例如清洁阀门，可以帮助防止这些问题并延长发动机的使用寿命。此外，现代发动机通常采用可变气门正时技术，允许根据驾驶条件调整进气阀的时机。这一创新提升了性能和燃油效率，展示了进气阀在当代汽车工程中的重要性。总之，进气阀是内燃机的重要组成部分。它的主要作用是控制空气-燃料混合物的进气，确保发动机平稳高效地运转。理解进气阀的功能和重要性对于任何对汽车技术感兴趣的人来说都是必不可少的。随着发动机的不断发展，进气阀的设计和功能也可能会不断进步，反映出汽车行业在追求更好性能和可持续性方面的持续努力。