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Hejian Youfeng Automotive Parts Co., Ltd

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2025-04-17

Generators can be categorized into various types based on different classification criteria

DC generator: A generator that produces direct current. It is commonly used for DC power supplies, battery charging, motor drives, and other applications.

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2025-04-17

Main structure of generator

Rotor: The rotating part of the generator, including magnetic poles, excitation windings, slip rings and rotor shafts. In a DC generator, the field winding is energized by an external power source to generate a magnetic field; while in an AC generator, the rotor can be a permanent magnet or electromagnetically excited.

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2025-04-30

Starter maintenance

Check whether the appearance of the starter is damaged, whether the wire connection is firm, and whether the electromagnetic switch works normally.

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Common faults and diagnosis methods of starter

Possible causes: battery power loss, circuit failure (such as fuse blowing, poor wire contact), electromagnetic switch failure, internal open circuit of the motor, etc.

2025/04

The working principle of the starter

The driver turns the ignition key or presses the start button, the electromagnetic switch is energized, and the movable iron core pushes the shift fork to mesh the starter drive gear with the engine flywheel.

2025/04

Structural composition of starter

The electrical energy provided by the battery is converted into mechanical energy, and the rotating torque is generated through electromagnetic action.

2025/04

Main indicators of engine performance

Power: The work done by the engine per unit time, reflecting the engine's power. Torque: The torque generated on the engine's output shaft, reflecting the engine's traction capacity. Fuel economy: The amount of fuel consumed by the engine per unit power reflects the engine's fuel efficiency. Emission performance: The level of harmful substances in the engine's exhaust gas reflects the engine's environmental performance.

2025/04

The operating principle varies across different engine types.

Intake: Air (or a mixture of air and fuel) is drawn into the cylinder. Compression: The piston's movement compresses the gas within the cylinder, increasing its temperature and pressure. Combustion (or work): In an internal combustion engine, fuel burns within the cylinder, producing high-temperature, high-pressure gas that pushes the piston; in an external combustion engine, the working medium expands due to an external heat source, pushing the piston. Exhaust: The exhaust gas is expelled from the cylinder.

2025/04

The starter is an important part of the car's starting system.

The starter, also known as the motor, is an important part of the car starting system. Its main role is to convert the electrical energy from the battery into mechanical energy, enabling the engine to start by rotating the engine's flywheel.

2025/04