Electric motor
AssigneeMitsuba Corporation
InventorsYoshichika Kawashima, Teppei Tokizaki, Natsumi Tamura
Life of this patent
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Abstract
An electric motor includes a yoke having six magnetic poles; a rotary shaft which is provided inside the yoke in a freely rotatable manner; an armature core (6) which has teeth (36) attached to the rotary shaft, radially extending in a radial direction and set in an arrangement of an even number, and an even number of slots (37) formed between the teeth; an armature coil (7) which is wound around the teeth in a single wave winding; and a commutator (13) which is provided in the rotary shaft to be adjacent to the armature core (6) and has a plurality of circumferentially disposed segments (41) to which the armature coil (7) is connected.
Claims11
An electric motor comprising:
- a yoke having six magnetic poles;
- a rotary shaft which is provided inside the yoke in a freely rotatable manner;
- an armature core which has teeth attached to the rotary shaft, radially extending in a radial direction and set in an arrangement of an even number, and an even number of slots formed between the teeth;
- a coil which is wound around the teeth in a single wave winding;
- and
- a commutator which is provided in the rotary shaft to be adjacent to the armature core and has a plurality of circumferentially disposed segments to which the coil is connected.
Dependencies are inferred from the claim text.