Do drivers know the fuel pump?

Did all drivers know the fuel pump? If the investigation is really done, the results should not be satisfactory. Most drivers encounter problems with the car for the first time. The first time is to go to the repair shop for inspection. Afterwards, they pay for the car by themselves. This is also what most drivers do. . But today Xiaobian took everyone to know the so-called fuel pump!


Fuel pump structure

The structure of a fuel pump can be roughly divided into two categories: impeller pump and metal pump. The structure of the vane pump generally adopts high-speed rotation of the vane in the oil passage, fuel is sucked from the inlet and discharged from the outlet; the metal pump mainly relies on the continuous change of the volume, sucks the fuel at the oil inlet, extrudes the fuel at the oil outlet, or is The fuel is closed at the inlet and the fuel is continuously sent to the exit. Regardless of the structure, the purpose is to inhale fuel at the entrance and discharge the fuel at the exit.

The role of fuel pump

Fuel pump is a professional term. Although this part is small, it plays a very big role. It is one of the basic components of an EFI car's fuel injection system in a car. Maybe sometimes drivers will find a problem when they drive. When the ignition switch is turned to the ON position, the car can hear the noise from behind the car. Some drivers will be very nervous. Cover check. In fact, this is the sound of the fuel pump at work, because the engine has not yet begun to operate, so the first time you heard was the sound of the fuel pump. Therefore, the role of the fuel pump is to establish the oil pressure to facilitate the start of the engine. During the operation of the engine, the power of the pump is always on, so as to ensure continuous engine oil supply. Therefore, we must ensure that the quality of the fuel pump is good or bad, it is possible that your engine does not get fire because it is "sick!"

Did the drivers know the fuel pump now? Must not underestimate its existence!

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Because hydraulic technology has many outstanding advantages, it has been widely used from civilian to national defense, general transmission to highly accurate control systems. In the defense industry. Many of the weapons and equipment of the Air Force have adopted hydraulic transmission and control. Such as airplanes, tanks, ships, radars, artillery, missiles and rockets. In the machine tool industry, 85% of the current machine tool transmission systems use hydraulic transmission and control, such as grinding machines, milling machines, planers, broaching machines, presses, shearing machines and combination machine tools.

In the metallurgical industry, electric furnace control systems, rolling mill control systems, open hearth charging, converter control, blast furnace control, strip deviation and constant tension devices all use hydraulic technology. In construction machinery, hydraulic transmissions such as excavators, tire loaders, truck cranes, crawler bulldozers, tire cranes, self-propelled scrapers, graders and vibratory rollers are commonly used.

In agricultural machinery, hydraulic technology is also widely used, such as combine harvesters, tractors and plows. In the automotive industry, hydraulic off-road vehicles, hydraulic dump trucks, hydraulic aerial work vehicles and fire trucks all use hydraulic technology; in the textile industry, plastic injection molding machines and rubber vulcanizers are used. Paper machines, printing presses and textile machines; in the marine industry, the application of hydraulic technology is very common, such as full hydraulic dredgers, salvage boats, piling boats, oil production platforms, hydrofoil ships, hovercrafts and ship auxiliary machines. recent years.

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