公开(公告)号：US20180054098A1

公开(公告)日：2018-02-22

申请号：US15557336

申请日：2016-03-08

Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI

Inventor： Naotaka TOIDA ,  Taizo KUSADOME ,  Motoki SHIMOGAWA

IPC: H02K1/24 ,  H02K1/27

CPC classification number: H02K1/246 ,  H02K1/27 ,  H02K1/276 ,  H02K21/14 ,  H02K29/03 ,  H02K2201/03 ,  H02K2213/03

Abstract: A rotor for a rotating electrical machine includes a cylindrical rotor core configured to be arranged radially inside of a stator with a coil wound therearound. An outer circumferential surface of the rotor core is opposed to the stator with a gap therebetween. The rotor core has a plurality of magnetic pole regions in a circumferential direction and also has, in each of the magnetic pole regions, a flux barrier extending along q-axis magnetic paths. An inner wall of the flux barrier has a radially outer wall surface and a radially inner wall surface. The radially inner wall surface is broadened to be closer to the adjacent magnetic pole region than a position along the q-axis magnetic paths.

公开(公告)号：US20200153295A1

公开(公告)日：2020-05-14

申请号：US16619226

申请日：2018-05-11

Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI

Inventor： Naotaka TOIDA

IPC: H02K1/27 ,  H02K1/28 ,  H02K7/04

Abstract: A rotor structure of a motor includes a rotor core formed by laminating a plurality of laminated steel plates, a permanent magnet, and end plates. First holes and second holes are perforated alternately in a circumferential direction at equal intervals. The end plates have holes. The end plates are respectively fixed to end portions of the rotor core by fastening members inserted to the holes and the first holes. When the rotor core is divided into first laminated portions and a second laminated portion, in the second laminated portion, the plurality of the laminated steel plates adjacent to the first laminated portions are rotationally laminated in such a manner that the second holes are connected to the first holes.