throttle valve
简明释义
节璃
英英释义
A throttle valve is a device that regulates the flow of fluid or air into an engine, controlling its power output and speed. | 节气门是一种调节流体或空气进入发动机的装置,控制其功率输出和速度。 |
例句
1.He replaced the old throttle valve with a new one for better response.
他用一个新的节流阀替换掉旧的,以获得更好的响应。
2.The throttle valve's position is crucial for controlling air intake.
节流阀的位置对于控制空气摄入至关重要。
3.The mechanic adjusted the throttle valve to improve engine performance.
机械师调整了节流阀以提高发动机性能。
4.During the test drive, I noticed the throttle valve was sticking.
在试驾过程中,我注意到节流阀卡住了。
5.A faulty throttle valve can lead to poor fuel efficiency.
故障的节流阀可能导致燃油效率低下。
作文
The function of a throttle valve in an engine is critical for regulating the amount of air-fuel mixture entering the combustion chamber. When you press the accelerator pedal in a vehicle, you are essentially controlling the position of the throttle valve. A wide-open throttle valve allows more air and fuel to enter the engine, which increases power and speed. Conversely, a closed throttle valve restricts airflow, reducing engine power and speed. This mechanism is essential not only for performance but also for fuel efficiency and emissions control.Understanding how the throttle valve works can help drivers optimize their vehicle's performance. For instance, during acceleration, opening the throttle valve allows the engine to draw in more air, which mixes with fuel to create a combustible mixture. The timing and degree to which the throttle valve opens can significantly impact the vehicle's responsiveness. In modern vehicles, this process is often managed by an electronic throttle control system, which uses sensors and actuators to adjust the throttle valve position more precisely than a mechanical linkage.In addition to performance, the throttle valve plays a role in engine safety. If the throttle valve were to malfunction and remain open, it could lead to uncontrolled acceleration, posing a serious risk to the driver and others on the road. Therefore, regular maintenance and inspections of the throttle valve and related systems are crucial for ensuring safe operation.Moreover, the design of the throttle valve has evolved over the years. Older vehicles typically used a simple butterfly valve, while newer models may utilize more complex designs that allow for variable geometry. This innovation enhances the engine's efficiency across different operating conditions, making it possible to achieve better fuel economy and lower emissions.In conclusion, the throttle valve is a vital component in internal combustion engines. Its ability to regulate air and fuel intake directly affects engine performance, efficiency, and safety. Understanding the role of the throttle valve can empower drivers to make informed decisions regarding vehicle maintenance and operation. As technology continues to advance, the throttle valve will likely see further innovations, contributing to the ongoing evolution of automotive engineering.
发动机中节气门的功能对于调节进入燃烧室的空气-燃料混合物至关重要。当你在车辆中踩下油门踏板时,你实际上是在控制节气门的位置。完全打开的节气门允许更多的空气和燃料进入发动机,从而增加动力和速度。相反,关闭的节气门限制了空气流动,减少了发动机的功率和速度。这一机制不仅对性能至关重要,也对燃油效率和排放控制有影响。理解节气门的工作原理可以帮助驾驶员优化车辆的性能。例如,在加速过程中,打开节气门使发动机能够吸入更多的空气,这与燃料混合形成可燃混合物。节气门打开的时机和程度会显著影响车辆的响应性。在现代车辆中,这一过程通常由电子油门控制系统管理,该系统使用传感器和执行器更精确地调整节气门的位置,而不是机械连接。除了性能外,节气门在发动机安全中也扮演着重要角色。如果节气门发生故障并保持打开状态,可能会导致失控加速,给驾驶员和道路上的其他人带来严重风险。因此,定期维护和检查节气门及相关系统对于确保安全操作至关重要。此外,节气门的设计多年来也有所演变。较旧的车辆通常使用简单的蝴蝶阀,而新型号可能采用更复杂的设计,允许可变几何形状。这一创新提高了发动机在不同工况下的效率,使得实现更好的燃油经济性和更低的排放成为可能。总之,节气门是内燃机中的一个重要组成部分。它调节空气和燃料的摄入,直接影响发动机的性能、效率和安全性。理解节气门的作用可以使驾驶员在车辆维护和操作方面做出明智的决策。随着技术的不断进步,节气门可能会看到进一步的创新,为汽车工程的持续发展做出贡献。
相关单词