Electric motor
First Claim
Patent Images
1. 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,wherein the coil wired between the armature core and the commutator is wound around the rotary shaft at 360 degrees or more.
1 Assignment
0 Petitions
Accused Products
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.
-
Citations
8 Claims
-
1. 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, wherein the coil wired between the armature core and the commutator is wound around the rotary shaft at 360 degrees or more. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
Specification