STATOR FOR ROTATING ELECTRICAL MACHINE, ROTATING ELECTRICAL MACHINE, METHOD FOR MANUFACTURING STATOR FOR ROTATING ELECTRICAL MACHINE, AND METHOD FOR MANUFACTURING ROTATING ELECTRICAL MACHINE

WIPO Patent Application WO/2021/060298

A1

Provided are: a rotating electrical machine having excellent characteristics and reliability, and including a stator in which second iron core portions, which are stacked bodies comprising an amorphous soft magnetic metal or a nanocrystalline soft magnetic metal, are disposed in a first iron core portion, which is a stacked body comprising electrical steel plates; the stator for the rotating electrical machine; a method for manufacturing the stator for the rotating electrical machine; and a method for manufacturing the rotating electrical machine.　This stator for a rotating electrical machine is characterized by including an annular first iron core portion, which is a stacked body comprising electrical steel plates, and second iron core portions, which are stacked bodies comprising an amorphous soft magnetic metal or a nanocrystalline soft magnetic metal, wherein: the annular first iron core portion includes a plurality of tooth portions which project toward the inner circumferential side and around which a coil is wound, and first groove portions formed within each tooth portion from an outer circumferential surface; and the second iron core portions are arranged in the first groove portions.

KIMURA MAMORU (JP)
SANO HIROHISA (JP)
AIMUTA KYOHEI (JP)
ABE TOSHIO (JP)
OHTA MOTOKI (JP)

PCT/JP2020/035856

April 01, 2021

September 23, 2020

Click for automatic bibliography generation  

HITACHI METALS LTD (JP)

H02K1/02; H02K1/16; H02K1/18; H02K15/02

WO2018069956A1	2018-04-19
WO2019064630A1	2019-04-04
WO2017208290A1	2017-12-07

JP2010207028A	2010-09-16
JP2014155347A	2014-08-25

View/Download PDF      PDF Help

Previous Patent: COMPRESSION DEVICE

Next Patent: METHOD FOR BONDING THREAD-LIKE ADHESIVE BODY, AND THREAD-LIKE ADHESIVE BODY WITH PROVISIONAL SUPPORT