| 摘要 |
PROBLEM TO BE SOLVED: To improve a space factor of a winding by winding a winding having a plurality of peripheries around a plurality of teeth.SOLUTION: An armature 10 includes: a core 20 having a plurality of teeth 26 formed in a radial shape; a plurality of pre-winding coils 41 which are formed by winding a winding around each of the plurality of teeth 26 in a concentration manner; and a plurality of second coils 42 which are formed on the winding on the periphery behind the winding having the first coils 41, which are arranged in parallel to the first coils 41 in the longitudinal direction of the teeth 26, and which are wound around each of the teeth 26 in the concentration manner. |
