How Fast Are Top Fuel Funny Cars in 18 Mile
All internal combustion engines require air, fuel and a spark to run. The fuel system is vital in storing and delivering the gasoline, or diesel, that an engine needs to run. Although fuel systems vary depending on vehicle model, their function is to supply fuel to the combustion chamber, and control the amount of fuel supplied in relation to the amount of air. Let's take a look at the workings of this critical engine component.
How a Fuel System Works
The function of the vehicle fuel system is to store and supply fuel to the cylinder chamber, where it's mixed with air, vaporized and then burned to produce energy. Fuel is stored in a fuel tank, then a fuel pump draws it from the tank through fuel lines, and delivers it through a filter to either a fuel injector or carburetor. From there it's delivered to the cylinder chamber for combustion. In the engine intake system the fuel is mixed with air, atomized and vaporized. As the fuel is delivered, the final stage to provide complete combustion, are vaporization and the spray pattern of the fuel.
Fuel Tank
Most fuel tanks consist of a single unit located in the rear of the vehicle. When you fill up at a gas station, the gas travels down the filler tube and into the tank. There's a sending unit in the tank which tells the gas gauge how much gas is in the tank. These days fuel tanks have internal baffles that prevent the fuel from sloshing back and forth. All tanks have a fuel filler pipe, a fuel outlet line to the engine and a vent system.
Fuel Line
The fuel is carried from the tank to the engine by steel lines and flexible hoses.
Fuel Pump
On newer vehicles, the fuel pump is usually installed in the fuel tank. Older models have fuel pumps that are on the frame rail between the tank and engine or attached directly to the engine. Fuel tanks that are attached to the frame, or in the tank, are electric and run by the car battery. Fuel pumps that are mounted on the engine use the engine motion to pump the fuel.
Fuel Filter
An engine's life and performance is dependent on how clean its fuel is. Fuel injectors and carburetors have very small openings which can easily clog, so filtering the fuel is necessary. Fuel filters can be located before or after the fuel pump, and sometimes both. Most often they're made from a paper element, but they also come in stainless steel or synthetic material. In most cases, filters are designed to be disposable.
Fuel Injector
Modern cars are equipped with fuel injection, instead of a carburetor, to mix the fuel and air. A fuel injector is a tiny electric valve that opens and closes with an electric signal. A computer controls when the fuel injectors open to let fuel into the engine. This has resulted in better fuel economy and lower emissions.
Carburetor
Carburetors take the fuel and mix it with air without the use of a computer. While this operation is simple, carburetors tend to need frequent tuning and rebuilding. This is why they've fallen out of use in favor of fuel injectors.
Maintaining the Fuel System
Fuel system maintenance is pretty straightforward. The main thing is to keep the fuel going into your system clean and free of debris. Contamination and debris are the most common cause of fuel system failures. If your vehicle has an inline fuel filter, it's recommended to have the filter replaced on a yearly basis, or approximately every 15,000 miles. A complete fuel system cleaning is recommended every 20,000 miles to keep the buildup of fuel byproducts to a minimum.
Source: https://www.questionsanswered.net/article/a-quick-guide-to-your-car%27s-fuel-system?utm_content=params%3Ao%3D740012%26ad%3DdirN%26qo%3DserpIndex
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