Specializing in the design and manufacture of automotive motor armatures and stators.

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Fuel pump armature manufacturer introduction What is a fuel pump?

Release Time:

2022-06-24

   Fuel Pump Armature Manufacturer Introduction: The fuel pump is a technical term in the automotive parts industry. It is one of the basic components of the electronic fuel injection system in fuel-injected vehicles. It is located inside the vehicle's fuel tank, and the fuel pump operates when the engine starts and runs. If the engine stops but the ignition switch remains on, the HFM-SFI control module shuts off the fuel pump power to prevent accidental ignition.

  Fuel Pump Armature Manufacturer Introduction: The function of the fuel pump is to draw fuel from the fuel tank, pressurize it, and deliver it to the fuel supply pipe, working with the fuel pressure regulator to establish a certain fuel pressure.

  The high-pressure fuel is delivered to the fuel distribution pipe to ensure continuous fuel supply to the injectors.

  Fuel Pump Armature Manufacturer Introduction: A fuel pump consists of a motor, a pressure regulator, and a check valve. The motor actually works in the fuel inside the pump housing, so there's no need to worry, as there's nothing inside the housing that can ignite, and the fuel lubricates and cools the fuel motor. A one-way valve is installed at the outlet, and the pressure regulator is located on the pressure side of the pump housing, with a passage leading to the inlet.

  The ZYB type ignition booster fuel pump is suitable for transporting diesel, heavy oil, residual oil, fuel oil, and other media, especially suitable for fuel pumps of burners in road and bridge engineering mixing stations. It is an ideal replacement for imported products. The ZYB type booster fuel pump is not suitable for transporting highly volatile or low flash point liquids such as ammonia and benzene.

  Fuel Pump Armature Manufacturer Introduction: When the rotor disc rotates, the rollers are pressed outwards by centrifugal force. Like a rotating oil seal, the rotor rotates, the pump works, drawing fuel from the inlet and pressing it into the fuel system from the outlet. When the pump is closed, the outlet one-way valve closes, preventing fuel from flowing back to the tank through the fuel pump. The fuel line pressure maintained by the one-way valve is called "residual pressure".

  The higher fuel pump pressure depends on the standard of the pressure regulator. If the fuel pump pressure exceeds the predetermined pressure limit, the pressure regulator will open the bypass, allowing fuel to flow back to the fuel pump inlet.

 

Fuel pump armature

02-09

2023

Introduction to the role of the stator and rotor in a brushless motor - collect this information!

The stator and rotor of a brushless motor consist of permanent magnets with a certain number of magnetic poles embedded in or on the surface of the iron core. Most permanent magnets are made of rare-earth permanent magnet materials with high coercivity, such as neodymium, iron, and boron, and high magnetic permeability and magnetic induction density. The rotor magnets are similar to those in brushed motors; both produce a sufficient magnetic field in the air gap of the motor. The difference is that the permanent magnets in brushed motors are mounted on the rotor, while those in brushless DC motors are mounted on the stator. The rotor system structure of brushless DC motors often adopts different surface-mounted magnets, also known as tile magnets, with radially magnetized tile-type permanent magnets bonded to the outer surface of the iron core. Through reasonable design, a square-wave air gap magnetic flux density can be obtained. What is the injection molding process for the stator and rotor of a brushless motor? Metal inserts are placed in the mold, and then BMC plastic is injected and heated to 160 degrees. The power of the motor should be selected according to the power required by the equipment, so that the motor operates under rated load as much as possible. Two points should be noted when selecting: (1) If the motor power is too small, a "small horse pulling a large cart" phenomenon will occur, causing the motor to be overloaded for a long time and damaging it.

01-30

2023

What are the components of a starter motor armature?

The control device of the starter armature includes an electromagnetic switch, a starter relay, and an ignition start switch, etc., among which the electromagnetic switch is made together with the starter armature. I. Electromagnetic switch 1. Structural characteristics of electromagnetic switch The electromagnetic switch is mainly composed of an electromagnetic iron mechanism and a motor switch. The electromagnetic iron mechanism is composed of a fixed iron core, a moving iron core, an attracting coil, and a holding coil. The fixed iron core is fixed, and the movable iron core can move axially in the copper sleeve. The front end of the movable iron core is fixed with a push rod, and the front end of the push rod is provided with a switch contact plate. The rear end of the movable iron core is connected to the fork through an adjusting screw and a connecting pin. The reset spring is arranged outside the copper sleeve to reset the movable parts, such as the movable iron core. 2. Working principle of electromagnetic switch When the directions of the magnetic fluxes generated by energizing the attracting coil and the coil are the same, their electromagnetic attractions overlap each other, and the moving iron core can be attracted to move forward. The pad at the front end of the push rod until the electrical switch contacts are connected to the motor main circuit. When the magnetic pain caused by the energization of the attracting coil and the coil is in the opposite direction, their electromagnetic attractions cancel each other out. Under the action of the reset spring, the movable iron core and other movable parts automatically reset, the pads and contacts are disconnected, and the motor main circuit is disconnected. II. Starting relay

01-10

2023

What is the manufacturing method for the starter armature structure?

The starter armature structure can increase the energization time of the starter and avoid the problem of short circuit caused by the ablation of the copper wire winding after the armature is energized for a long time, thus ensuring the safety of the circuit. The starter armature structure includes an armature shaft, an armature winding, an iron core and a commutator. The armature winding includes an end winding i arranged away from the commutator. The end winding i is provided with a U-shaped portion, and the U-shaped portion is provided with an insulating sleeve. The melting point of the insulating sleeve is higher than 200 ℃. The iron core is fitted on the armature shaft, and the iron core is provided with a winding slot i, and the armature winding is embedded in the winding slot i. An insulating piece i is set in the winding slot i to isolate the armature winding from the iron core and the edges of the components of the armature winding. The insulating piece i has an S-shape structure to wrap the edges of the components of the armature winding. The commutator is fitted on the armature shaft and is arranged near the end of the armature shaft. The commutator is provided with a winding slot ii. The armature winding also includes an end winding ii, which is arranged near the commutator and embedded in the winding slot ii. The end winding ii is composed of an inner ring layer and an outer ring layer, and an insulating element ii is arranged between the inner ring layer and the outer ring layer to isolate the inner ring layer and the outer ring layer. The clamping ring is also fitted at a position corresponding to the winding slot ii on the commutator. The insulating sleeve is made of glass fiber. Compared with the existing technology, this invention

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