Structural composition of starter motor
2025-10-22
DC motor: Introducing battery current to cause mechanical movement of the driving gear. Its working principle is based on the principle that an electrified conductor is subjected to force in a magnetic field (Ampere's law), and continuous rotation is achieved through the armature winding and commutator.
Transmission mechanism: It includes a one-way clutch, which is responsible for meshing the driving gear into the flywheel ring gear and automatically disengaging it after the engine is started to prevent the flywheel from dragging the armature to rotate at high speed.
Electromagnetic switch: controls the on/off of the starter circuit, drives the fork to mesh with the flywheel through the magnetic field of the suction and holding coils.
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