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Starter Motor

PRODUCT - STARTER MOTOR

Starter motor

  • An engine starting motor with an electrical unit that produces torque and a mechanical unit that transmits it.
  • Amplifies small rotational force for the engine and protects the starter with an overrunning clutch.
Armature / Solenoid

Armature

  • Acts as the armature wrapping the starter motor brushes and coils.
  • Consists of shaft, coil, and commutator; rotates through magnetic interaction.

Solenoid switch

  • Engages the pinion with the flywheel ring gear and also works as a relay for motor current.
Yoke / ORC

Yoke / Field coil

  • The yoke is the starter body and a path for magnetic flux.
  • Field coils on the iron core become an electromagnet when current flows.

Overrunning clutch (ORC)

  • Power transmission between the armature shaft and pinion.
  • Disengages when pinion speed exceeds armature speed to protect the starter.
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