Sanyo Denki Co., Ltd.

Syogo Yoda

Kouji Nakatake

Yasushi Yoda

Mitsuaki Shioiri

Kazuhiro Yoda

Zhang Hong

Provided is a motor stator which includes: a ring-shaped stator core; a plurality of tooth portions protruding inward from the stator core; an insulator made of an insulating material and mounted on the plurality of tooth portions; a stator coil wound around each of the plurality of tooth portions via the insulator; a lead wire; and a connection portion connecting the stator coil and the lead wire, in which the insulator includes a connection housing portion housing the connection portion.

Motor stator and method for manufacturing motor stator

A stator of a rotating armature is provided which has: a stator core comprising laminated electromagnetic steel plates, the stator core including a plurality of teeth and slots formed on an inner periphery thereof; a first insulator and a second insulator inserted in the stator core; and windings wound around the teeth, wherein the first insulator includes a first comb-like engagement portion placed in the slots, the second insulator includes a second comb-like engagement portion placed in the slots, the first comb-like engagement portion includes a first tapered shape formed on a first distal end portion thereof, the second comb-like engagement portion includes a second tapered shape and a third tapered shape formed each on either side of a second distal end portion thereof in a radial direction of the stator core, and the first end portion and second distal end portion overlap with each other in the radial direction.

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Tokyo, Japan

Syogo Yoda