公开(公告)号：US20170288480A1

公开(公告)日：2017-10-05

申请号：US15507992

申请日：2015-01-15

申请人： Mitsubishi Electric Corporation

发明人： Tadashi MURAKAMI ,  Naomi KIKUCHI ,  Atsushi SAKAUE ,  Tatsuro HINO ,  Akihiro YAMAMURA ,  Shogo OKAMOTO ,  Shinji NISHIMURA ,  Masaya INOUE

IPC分类号： H02K1/18 ,  H02K1/14

CPC分类号： H02K1/185 ,  H02K1/148 ,  H02K1/276 ,  H02K5/1732

摘要： While lamination of steel sheets to be included in a stator core having a plurality of tooth portions is performed through swaging at yoke portions and through swaging at tooth portions, the stator core is formed in such a way as to include the tooth portion having a portion that is pressed into another steel sheet through swaging and the tooth portion having no portion that is pressed into another steel sheet through swaging.