公开(公告)号：EP4312350A1

公开(公告)日：2024-01-31

申请号：EP21933315.0

申请日：2021-12-28

申请人： Nidec Corporation

发明人： KANNO, Tomohisa ,  TANGE, Hiroshi

IPC分类号： H02K3/04 ,  H02K15/085 ,  H02K1/16

摘要： A stator from a first aspect of the present invention includes: a stator core having a plurality of slots penetrating in an axial direction; and a plurality of coil wires arranged in the slots, in which the coil wires have a circular cross-sectional shape, and side surfaces in circumferential both ends of the slot are planes axially extending with a constant circumferential width from a radially inner end to a radially outer end. A manufacturing method of a stator from a second aspect of the present invention is a manufacturing method of a stator including a stator core having a plurality of slots penetrating in an axial direction, the manufacturing method including: a process of annularly winding a coil wire having a circular cross-sectional shape to form a coil; and a process of inserting the coil into the slot, in which side surfaces in circumferential both ends of the slot are planes axially extending with a constant circumferential width from a radially inner end to a radially outer end.