automatic choke
简明释义
自动节流器;
英英释义
例句
1.The mechanic adjusted the automatic choke 自动化节流阀 to improve fuel efficiency.
机械师调整了自动化节流阀 automatic choke 以提高燃油效率。
2.An improperly set automatic choke 自动化节流阀 can lead to excessive fuel consumption.
设置不当的自动化节流阀 automatic choke 可能导致燃油消耗过多。
3.If your engine is running rough, check the automatic choke 自动化节流阀 for any issues.
如果你的发动机运转不稳，检查一下自动化节流阀 automatic choke 是否有问题。
4.The car wouldn't start because the automatic choke 自动化节流阀 was stuck.
这辆车无法启动，因为自动化节流阀 automatic choke 被卡住了。
5.Make sure the automatic choke 自动化节流阀 is functioning properly before taking a long drive.
在长途驾驶前，请确保自动化节流阀 automatic choke 正常工作。
作文
The automotive industry has seen numerous innovations over the years, one of which is the development of the automatic choke. The automatic choke is a device used in carbureted engines to regulate the air-fuel mixture during cold starts. When an engine is cold, it requires a richer fuel mixture to start efficiently. The automatic choke automatically adjusts the choke valve to restrict airflow, allowing more fuel to enter the engine. This feature is particularly beneficial in colder climates where starting an engine can be challenging without proper fuel delivery. Historically, vehicles relied on manual chokes, which required the driver to pull a lever or push a button to engage the choke. This process could be cumbersome and often led to improper adjustments, resulting in poor engine performance or difficulty starting. The introduction of the automatic choke revolutionized this aspect of vehicle operation. With its automatic function, drivers no longer need to worry about adjusting the choke themselves. Instead, the automatic choke senses the engine temperature and adjusts accordingly. The automatic choke operates using a bi-metallic strip or an electric heating element that responds to the temperature of the engine. As the engine warms up, the automatic choke gradually opens the choke valve, allowing more air into the combustion chamber and achieving the ideal air-fuel ratio for optimal performance. This transition is critical as it prevents the engine from running too rich once it reaches operating temperature, which can lead to increased emissions and reduced fuel efficiency. In modern vehicles, the automatic choke has evolved further with the advent of electronic fuel injection (EFI) systems. While traditional carburetors have largely been replaced by EFI, the principles behind the automatic choke remain relevant. EFI systems utilize sensors and computer algorithms to manage fuel delivery and air intake, ensuring that the engine runs smoothly regardless of temperature conditions. However, understanding the function of the automatic choke is still essential for those who work with older vehicles or classic cars. In summary, the automatic choke plays a crucial role in the operation of carbureted engines, particularly during cold starts. Its ability to automatically adjust the air-fuel mixture enhances engine performance and reliability. As technology continues to advance, the evolution of fuel delivery systems will further improve vehicle efficiency and reduce emissions. Nevertheless, the legacy of the automatic choke remains a significant part of automotive history, reflecting the ongoing pursuit of innovation in the industry.
汽车工业多年来经历了许多创新，其中之一就是开发了自动节气门。自动节气门是用于化油器发动机的装置，用于在冷启动时调节空气与燃料的混合比。当发动机处于冷态时，需要更丰富的燃料混合物以高效启动。自动节气门会自动调整节气门阀，限制空气流入，从而允许更多燃料进入发动机。这一功能在寒冷气候中尤为有益，因为在没有适当燃料供应的情况下，启动发动机可能会面临挑战。历史上，车辆依赖手动节气门，驾驶员需要拉动杠杆或按下按钮来启用节气门。这个过程可能很麻烦，常常导致调整不当，导致发动机性能不佳或启动困难。自动节气门的引入彻底改变了这一操作方面。有了它的自动功能，驾驶员不再需要担心自己调整节气门。相反，自动节气门会感知发动机温度并相应调整。自动节气门使用双金属条或电加热元件，根据发动机的温度进行响应。随着发动机的升温，自动节气门逐渐打开节气门阀，允许更多空气进入燃烧室，从而实现最佳的空气与燃料比以获得最佳性能。这一过渡至关重要，因为它防止发动机在达到工作温度后运行过于丰富，这可能导致排放增加和燃油效率降低。在现代车辆中，随着电子燃油喷射（EFI）系统的出现，自动节气门进一步演变。虽然传统的化油器在很大程度上被EFI取代，但自动节气门背后的原理仍然相关。EFI系统利用传感器和计算机算法来管理燃料供应和空气进气，确保发动机无论在什么温度条件下都能平稳运行。然而，理解自动节气门的功能对于那些与旧车或经典车打交道的人来说仍然至关重要。总之，自动节气门在化油器发动机的运作中发挥着至关重要的作用，尤其是在冷启动时。它自动调节空气与燃料的混合比，提高了发动机性能和可靠性。随着技术的不断进步，燃料供应系统的演变将进一步提高车辆效率并减少排放。尽管如此，自动节气门的遗产仍然是汽车历史的重要组成部分，反映了行业持续追求创新的努力。
