公开(公告)号：US11050328B2

公开(公告)日：2021-06-29

申请号：US16082741

申请日：2017-02-28

Applicant: AISIN AW CO., LTD.

Inventor： Hideharu Ushida ,  Takehiro Anai

IPC: H02K15/02 ,  H02K15/03 ,  H02K1/27 ,  H02K15/12 ,  H02K1/28

Abstract: A manufacturing method of a rotor including: preparing a rotor core that is structured by stacking a plurality of electromagnetic steel plates in an axial direction and that has a magnet insertion hole which extends in the axial direction; inserting a permanent magnet in the magnet insertion hole; curing a resin provided between an inner surface of the magnet insertion hole and an outer surface of the permanent magnet while pressure is applied to the rotor core in the axial direction, after the permanent magnet is inserted in the magnet insertion hole; and welding the electromagnetic steel plates along the axial direction after curing the resin.