accelerator pump

简明释义

加速泼

英英释义

例句

1.A malfunctioning accelerator pump can lead to poor acceleration in vehicles.

故障的加速泵可能导致车辆加速不良。

2.The mechanic replaced the faulty accelerator pump to improve the car's throttle response.

机械师更换了故障的加速泵以改善汽车的油门反应。

3.He learned how to clean the accelerator pump to maintain his motorcycle's performance.

他学习了如何清洁加速泵以维护摩托车的性能。

4.The accelerator pump is crucial for delivering extra fuel during rapid acceleration.

在快速加速时，加速泵对于提供额外燃油至关重要。

5.During the engine tuning, we adjusted the accelerator pump for better fuel delivery.

在发动机调校过程中，我们调整了加速泵以改善燃油供应。

作文

The functioning of a vehicle's engine is a complex interplay of various components, each playing a crucial role in ensuring optimal performance. One such component is the accelerator pump, which is integral to the operation of carbureted engines. The accelerator pump is designed to deliver an extra shot of fuel into the engine when the accelerator pedal is pressed quickly. This mechanism is particularly important during rapid acceleration, as it helps to prevent hesitation and maintain smooth power delivery. Without the accelerator pump, drivers might experience a lag in response when they press the accelerator, leading to a less enjoyable driving experience.In essence, the accelerator pump serves to enrich the fuel mixture temporarily. When the throttle is opened suddenly, the air entering the engine increases rapidly, but the fuel flow does not immediately catch up due to inertia. The accelerator pump compensates for this delay by injecting additional fuel into the intake manifold, ensuring that the engine receives the proper air-fuel ratio required for efficient combustion.The design of the accelerator pump varies between different types of carburetors, but its purpose remains consistent across models. Typically, it consists of a diaphragm or plunger that is activated by the movement of the throttle. As the driver presses down on the accelerator pedal, the linkage connected to the throttle opens the carburetor's throttle plate, simultaneously activating the accelerator pump. This action forces fuel from the pump into the venturi, creating a richer mixture that enhances engine responsiveness.Moreover, the accelerator pump is adjustable in many carburetor systems, allowing mechanics to fine-tune its operation based on the specific needs of the engine. Factors such as engine size, type of fuel, and desired performance characteristics can influence how the accelerator pump is set up. For instance, a high-performance engine may require a more aggressive accelerator pump setting to provide a larger volume of fuel during rapid throttle openings.In modern vehicles, electronic fuel injection (EFI) systems have largely replaced carburetors, including the accelerator pump. However, understanding the function of the accelerator pump is still essential for those who work on older vehicles or enjoy classic cars. Knowledge of how this component operates can help diagnose issues related to acceleration, such as stalling or poor throttle response.In conclusion, the accelerator pump is a vital component in carbureted engines that enhances performance by providing additional fuel during rapid acceleration. Its ability to enrich the fuel mixture ensures that drivers experience a seamless transition when they press the accelerator pedal. As technology evolves, the accelerator pump may become less common, but its importance in the history of automotive engineering cannot be overstated. Understanding its role and functionality helps enthusiasts appreciate the intricacies of engine design and the evolution of automotive technology.

车辆发动机的运作是各种组件复杂相互作用的结果，每个组件在确保最佳性能方面都发挥着至关重要的作用。其中一个组件就是加速泵，它对化油器发动机的运作至关重要。加速泵的设计目的是在快速按下油门踏板时向发动机提供额外的燃料。这一机制在快速加速时尤为重要，因为它有助于防止迟滞并保持平稳的动力传递。如果没有加速泵，驾驶员在踩下油门时可能会感到反应延迟，从而导致驾驶体验不佳。从本质上讲，加速泵的作用是暂时丰富燃料混合物。当节气门突然打开时，进入发动机的空气迅速增加，但由于惯性，燃料流动不会立即跟上。加速泵通过将额外的燃料注入进气歧管来补偿这种延迟，确保发动机获得有效燃烧所需的适当空气-燃料比。加速泵的设计在不同类型的化油器之间有所不同，但其目的在各个型号中保持一致。通常，它由一个膜片或活塞组成，由节气门的运动激活。当驾驶员踩下油门踏板时，连接到节气门的连杆打开化油器的节气门，同时激活加速泵。这一动作迫使燃料从泵中注入文丘里，创造出更丰富的混合物，从而增强发动机的响应性。此外，在许多化油器系统中，加速泵是可调的，允许机械师根据发动机的具体需求对其操作进行微调。发动机大小、燃料类型和期望的性能特征等因素可能会影响加速泵的设置。例如，高性能发动机可能需要更强劲的加速泵设置，以便在快速打开油门时提供更多的燃料。在现代车辆中，电子燃油喷射（EFI）系统在很大程度上取代了化油器，包括加速泵。然而，了解加速泵的功能仍然对那些修理旧车或喜爱经典汽车的人至关重要。了解这一组件的运作方式可以帮助诊断与加速相关的问题，例如熄火或油门响应不良。总之，加速泵是化油器发动机中的一个重要组件，通过在快速加速时提供额外的燃料来增强性能。它丰富燃料混合物的能力确保驾驶员在踩下油门踏板时体验到无缝的过渡。随着技术的发展，加速泵可能会变得不那么常见，但它在汽车工程历史中的重要性无法被低估。了解其作用和功能有助于爱好者欣赏发动机设计的复杂性以及汽车技术的演变。