Patent ID: 9698634
Date: 2017-07-04
CPC Classifications: H02K

Claim:
1. A stator core, comprising: a first core sheet having a plurality of teeth that is radially protruded outward and a teeth coupling portion that couples the plurality of teeth; and at least two kinds of second core sheets having a plurality of teeth that is radially protruded outward and a plurality of slot openings that are provided between the plurality of teeth, wherein the first and second core sheets are laminated to form a stack structure, in each of the at least two kinds of the second core sheets, the second core sheet has a single angle of the plurality of slot openings and the plurality of slot openings are evenly distributed in a circumferential direction, and the single angle of the plurality of the slot openings in one of the at least two kinds of the second core sheets is different from the single angle of the plurality of the slot openings in another of the at least two kinds of the second core sheets.