intake valve

简明释义

吸入阀

英英释义

An intake valve is a component in an internal combustion engine that opens to allow the air-fuel mixture to enter the combustion chamber during the intake stroke.

进气阀是内燃机中的一个组件,在进气冲程期间打开以允许空气-燃料混合物进入燃烧室。

例句

1.After replacing the intake valve, the car started running smoothly again.

更换了进气阀后,汽车再次平稳运行。

2.The mechanic explained that the failure of the intake valve could lead to engine overheating.

机械师解释说,进气阀的故障可能导致发动机过热。

3.When the intake valve is stuck, it can cause a loss of power in the vehicle.

进气阀卡住时,会导致车辆动力损失。

4.The engineer designed a new intake valve that improves fuel efficiency.

工程师设计了一种新的进气阀,提高了燃油效率。

5.Regular maintenance can help ensure that the intake valve functions properly.

定期维护可以确保进气阀正常运作。

作文

The engine of a car is a complex system that relies on various components to function efficiently. One of the most critical parts of this system is the intake valve, which plays a vital role in the engine's operation. The intake valve is responsible for allowing air and fuel mixture to enter the combustion chamber during the engine's intake stroke. This process is essential for generating the power needed to propel the vehicle forward.To understand the significance of the intake valve, it is important to recognize how the internal combustion engine works. When the piston moves down in the cylinder, it creates a vacuum that pulls the air-fuel mixture into the combustion chamber. The intake valve opens at the right moment to facilitate this flow. If the intake valve fails to open or close properly, it can lead to poor engine performance, reduced power output, and increased emissions.There are different types of intake valves, including those made of different materials such as steel or titanium. Each type has its advantages and disadvantages in terms of weight, durability, and heat resistance. For example, titanium valves are lighter and can help improve engine efficiency, but they are also more expensive. On the other hand, steel valves are more common and provide a good balance of strength and cost-effectiveness.In modern engines, the design and functionality of the intake valve have evolved significantly. Technologies such as variable valve timing (VVT) allow for better control over when the intake valve opens and closes, optimizing engine performance across different speeds and loads. This innovation enhances fuel efficiency and reduces harmful emissions, making modern vehicles more environmentally friendly.Regular maintenance of the intake valve is crucial for any vehicle owner. Over time, carbon deposits can build up on the valve, which can affect its ability to seal properly. This can lead to leaks and a decrease in engine performance. Therefore, periodic cleaning and inspections are recommended to ensure that the intake valve functions optimally.In conclusion, the intake valve is a key component of an internal combustion engine, influencing its performance, efficiency, and emissions. Understanding its function and importance can help vehicle owners appreciate the complexity of their cars and the necessity of regular maintenance. As automotive technology continues to advance, the role of the intake valve will undoubtedly evolve, but its fundamental purpose of facilitating air and fuel intake will remain unchanged.

汽车发动机是一个复杂的系统,依赖于各种组件来高效运作。其中最关键的部分之一就是进气阀,它在发动机的运行中扮演着重要角色。进气阀负责在发动机的进气冲程中允许空气和燃料混合物进入燃烧室。这个过程对于产生推动车辆前进所需的动力至关重要。要理解进气阀的重要性,首先需要认识到内燃机的工作原理。当活塞在气缸中向下移动时,会产生一个真空,吸引空气和燃料混合物进入燃烧室。进气阀在适当的时刻打开,以促进这种流动。如果进气阀未能正确打开或关闭,可能会导致发动机性能下降、功率输出减少和排放增加。进气阀有不同类型,包括由不同材料制成的阀门,如钢或钛。每种材料在重量、耐用性和耐热性方面都有其优缺点。例如,钛阀更轻,可以帮助提高发动机效率,但成本也更高。另一方面,钢阀更常见,提供了强度和成本效益之间的良好平衡。在现代发动机中,进气阀的设计和功能已经显著发展。诸如可变气门正时(VVT)等技术可以更好地控制进气阀的开启和关闭时间,从而优化不同速度和负荷下的发动机性能。这项创新提高了燃油效率并减少了有害排放,使现代车辆更加环保。对进气阀进行定期维护对于任何车主来说都是至关重要的。随着时间的推移,碳沉积物可能会在阀门上积聚,这会影响其密封能力。这可能导致泄漏和发动机性能下降。因此,建议定期清洁和检查,以确保进气阀正常运作。总之,进气阀是内燃机的关键组成部分,影响其性能、效率和排放。理解其功能和重要性可以帮助车主欣赏汽车的复杂性以及定期维护的必要性。随着汽车技术的不断进步,进气阀的角色无疑会演变,但其促进空气和燃料吸入的基本目的将始终保持不变。