Patent ID: 11936245
Assignee: LG INNOTEK CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 10:
11. A motor comprising:
a shaft;
a rotor coupled to the shaft; and
a stator disposed outside the rotor,
wherein
the rotor includes a plurality of rotor cores and a plurality of magnets disposed on an outer circumferential surface of each of the rotor cores,
each of the rotor cores includes first holes, second holes, and third holes,
two of the first holes, two of the second holes, and two of the third holes are disposed mutually opposite to each other based on a center (C) of the shaft,
a first angle (θ1) formed by one of the first holes and the second hole is the same as an angle formed by the second hole and the third hole around the center (C),
the plurality of rotor cores include a first rotor core, a third rotor core, and a second rotor core disposed between the first rotor core and the third rotor core, and
the first hole of the first rotor core, the second hole of the second rotor core, and the third hole of the third rotor core overlap in a shaft direction.