admission valve

简明释义

进汽阀

英英释义

例句

1.The car's acceleration was sluggish due to a malfunctioning admission valve.

由于故障的进气阀，汽车的加速变得缓慢。

2.During the inspection, the technician found that the admission valve was clogged with debris.

在检查过程中，技术人员发现进气阀被杂物堵塞。

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

在我们更换了故障的进气阀后，发动机的性能显著改善。

4.Regular maintenance of the admission valve can prevent costly repairs in the future.

定期维护进气阀可以防止未来昂贵的维修费用。

5.An efficient admission valve is crucial for maintaining optimal airflow in the engine.

高效的进气阀对于保持发动机的最佳气流至关重要。

作文

The functioning of an engine is a complex process that involves various components working in harmony. One crucial part of this system is the admission valve, which plays a vital role in the intake of air or fuel into the combustion chamber. Understanding the significance of the admission valve can provide insights into how engines operate and the importance of each component in achieving optimal performance.The admission valve is responsible for allowing air or fuel to enter the engine's cylinders during the intake stroke. This process is essential because the combustion of fuel requires a specific mixture of air and fuel to generate power. When the piston moves down, the admission valve opens, creating a pathway for the air-fuel mixture to enter the cylinder. Once the piston moves back up, the valve closes, sealing the chamber for compression.Without a properly functioning admission valve, an engine would struggle to draw in the necessary air or fuel, leading to poor performance and efficiency. For instance, if the valve becomes stuck or fails to open, the engine may experience a significant loss of power. Similarly, if the valve does not close properly, it can lead to backflow, which can cause misfires and other mechanical issues.Moreover, the timing of the admission valve operation is critical. In modern engines, this timing is often controlled by advanced systems such as variable valve timing (VVT). VVT technology allows for adjustments in the opening and closing of the admission valve based on engine speed and load, optimizing performance across a range of conditions. This adaptability helps improve fuel efficiency and reduce emissions, making modern engines more environmentally friendly.In addition to its functional importance, the admission valve also serves as a point of maintenance and inspection. Regular checks of the valve can help identify issues before they lead to significant engine problems. Mechanics often look for signs of wear or damage, such as carbon buildup, which can impede the valve's ability to function correctly. Keeping the admission valve clean and well-maintained is essential for ensuring the longevity and reliability of the engine.In conclusion, the admission valve is a critical component of an engine's operation, facilitating the intake of air or fuel necessary for combustion. Its proper functioning directly impacts the overall performance and efficiency of the engine. With advancements in technology, the management of the admission valve has become more sophisticated, allowing for better control and optimization of engine performance. Understanding this component not only enhances our knowledge of engine mechanics but also emphasizes the importance of regular maintenance to ensure that every part, including the admission valve, is working effectively.

发动机的运作是一个复杂的过程，涉及到各种组件的协调工作。其中一个关键部分是进气阀，它在燃烧室内空气或燃料的吸入中发挥着重要作用。理解进气阀的重要性可以为我们提供对发动机运作的深入了解，以及每个组件在实现最佳性能中的重要性。进气阀负责在进气冲程期间允许空气或燃料进入发动机的气缸。这个过程至关重要，因为燃料的燃烧需要特定的空气和燃料混合物来产生动力。当活塞向下移动时，进气阀打开，为空气-燃料混合物进入气缸创造了一条通道。一旦活塞向上移动，阀门关闭，密封腔体以进行压缩。如果没有正常工作的进气阀，发动机将难以吸入必要的空气或燃料，导致性能和效率下降。例如，如果阀门卡住或未能打开，发动机可能会经历显著的动力损失。同样，如果阀门未能正确关闭，可能会导致回流，从而引起失火和其他机械问题。此外，进气阀的操作时机至关重要。在现代发动机中，这种时机通常由先进的系统如可变气门正时（VVT）控制。VVT技术允许根据发动机转速和负载调整进气阀的开启和关闭，优化在各种条件下的性能。这种适应性有助于提高燃油效率并减少排放，使现代发动机更加环保。除了其功能上的重要性，进气阀也作为维护和检查的一个点。定期检查阀门可以帮助在重大发动机问题发生之前识别出问题。机械师通常会寻找磨损或损坏的迹象，例如碳沉积，这可能会妨碍阀门的正常功能。保持进气阀的清洁和良好维护对于确保发动机的耐用性和可靠性至关重要。总之，进气阀是发动机运作的关键组件，促进了燃烧所需的空气或燃料的吸入。其正常运作直接影响发动机的整体性能和效率。随着技术的进步，进气阀的管理变得更加复杂，允许更好的控制和优化发动机性能。理解这个组件不仅增强了我们对发动机机械的知识，也强调了定期维护的重要性，以确保每个部件，包括进气阀，都能有效工作。