Patent ID: 9467011
Filing Date: 2016-10-11
CPC Classification: H02K

Claim Text:
1. A mold stator that is configured to include a stator core that is formed by stacking a plurality of annular bodies having a plurality of divided-core pieces annularly arranged therein and a mold resin that covers the stator core, wherein a divided-core part that is formed by stacking the plurality of divided-core pieces includes a yoke part that is arranged coaxially with a rotor that is provided in the stator core, a teeth part that extends from the yoke part in a radially-inward direction, and a teeth distal-end part that is formed at a radially-inward end part of the teeth part, and wherein a first outer-circumferential flat-surface part is formed on an outer circumferential surface of the yoke part and a first outer-circumferential curved-surface part is formed on the outer circumferential surface of the yoke part other than the first outer-circumferential flat-surface part, a second outer-circumferential flat-surface part is formed at a position on an outer circumferential surface of the mold stator opposing the first outer-circumferential flat-surface part, and a second outer-circumferential curved-surface part is formed on the outer circumferential surface of the mold stator other than the second outer-circumferential flat-surface part, and the mold resin is formed such that when a thickness of the mold resin from the first outer-circumferential curved-surface part to the second outer-circumferential curved-surface part is denoted by “t