公开(公告)号：US11183898B2

公开(公告)日：2021-11-23

申请号：US16314582

申请日：2017-07-07

申请人： Hitachi Industrial Equipment Systems Co., Ltd.

发明人： Genzo Iwaki ,  Kazuo Nishihama ,  Katsuya Hirata ,  Atsushi Abe

IPC分类号： H02K3/493 ,  H02K15/12 ,  H02K15/00

摘要： Provided is a rotary electric machine that achieves high motor efficiency with little loss. This rotary electric machine is equipped with: a stator core arranged opposing the circumferential surface of a rotor, and in which multiple slots, wherein openings opening toward the rotor are formed, are formed in the circumferential direction; and coils inserted into the slots. A mixture of a soft magnetic powder and a resin material is formed in the openings of the slots, and the relative permeability of the mixture is 5-35.