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Fuel Pump Structure Form
Oct 23, 2017

What is the structure of the fuel pump? Fuel oil pump is a very professional term in the auto parts industry. It is one of the basic components of fuel injection system for electric jet. The effect is to pump the fuel from the fuel tank, feed it into the oil pipeline, and build a certain fuel pressure with the fuel pressure regulator.

Structural form:

Fuel pump by an electric motor, pressure limiter, check valve, the practical work of electric motors in the fuel oil pump shell, don't worry, because there is no any shell to ignition, fuel can lubrication and cooling motor fuel, oil outlet is equipped with check valve, the pressure limiter is in the pressure side of the pump shell, with to the inlet channel.

Features:

ZYB type ignition pressurization pump is applicable to transport diesel oil, heavy oil, residual oil, fuel oil, such as medium, especially suitable for the mixing Station Road and bridge engineering in the burner fuel pump, is an ideal product to replace imported products.

The ZYB type supercharged fuel pump is not suitable for conveying highly volatile or low-flash liquid, such as ammonia, benzene, etc.

Working principle:

When the rotor rotating, roller pressure outward by centrifugal force, like a rotary oil seal, the rotor rotation, the pump work, from the fuel oil inlet suction, and the fuel oil from the oil outlet pressure into the fuel oil system, when close the oil pump, oil outlet check valve closed, to prevent fuel through back to the fuel tank, fuel pump flow check valve to maintain the fuel pipe pressure is called the "residual pressure".

How do you check the fuel pump

Method 1: turn on the ignition switch, do not start the engine, can hear the gasoline pump work 1~2 seconds; Can determine whether the gasoline pump can work;

Method 2: unplug the oil pump relay, connect the oil pump circuit with the special jumper wire, turn on the ignition switch, do not start the engine, and work with the oil pump, indicating that the oil pump can work

Method 3: after the oil pressure gauge, see whether the engine can establish oil pressure of 250KPa, and the oil pressure is established quickly. If the oil pressure can be established normally, the oil pump can work. And then shut down the engine ignition switch, whether oil drain off quickly whether the decrease in (hydraulic) soon so as to judge whether the relief valve of the pump to normal (normal oil pressure is able to maintain, so that the next normal starting engine).

The structure of the fuel pump

1. The fuel oil pump delivers high pressure fuel to the pipe to ensure continuous fuel flow to the nozzle.

2. The fuel pump by an electric motor, pressure limiter, check valve, electric motor practical work in the fuel oil pump shell, don't worry, because nothing can ignition in the crust; can fuel oil lubrication and cooling motor fuel, oil outlet is equipped with check valve, the pressure limiter is in the pressure side of the pump shell, with to the inlet channel

Characteristics of fuel pump

1. The fuel pump by an electric motor, pressure limiter, check valve, electric motor practical work in the fuel oil pump shell, don't worry, because nothing can ignition in the crust; the fuel can lubrication and cooling motor fuel, oil outlet is equipped with check valve, the pressure limiter is in the pressure side of the pump shell, with to the inlet channel.

2. ZYB type ignition pressurization pump is applicable to transport diesel oil, heavy oil, residual oil, fuel oil, such as medium, especially suitable for road and bridge engineering burner fuel pump in the mixing station, is an ideal product to replace imported products.

3. The zyb-type supercharged fuel pump does not apply to liquids that transport highly volatile or flash points, such as ammonia, benzene, etc.

The action of the fuel pump

1. The fuel oil pump is used to pump the fuel from the fuel tank, feed it into the oil pipeline, and establish certain fuel pressure with the fuel pressure regulator.

2. The fuel oil pump is a technical term for auto parts industry. Fuel injection system is one of the basic components of efi vehicles, the vehicle fuel tank, fuel pump in the start and work when engine is running, if the engine stops and the ignition switch is still ON, HFM - SFI turning off the power of the fuel pump control module, in order to avoid accidental ignition.


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