US 12,463,480 B2
Rotating electrical machine and method for manufacturing same
Mitoru Yabe, Tokyo (JP); Junya Suzuki, Tokyo (JP); Hideya Nishikawa, Tokyo (JP); and Masafumi Okazaki, Tokyo (JP)
Assigned to Mitsubishi Electric Corporation, Tokyo (JP)
Appl. No. 18/003,361
Filed by Mitsubishi Electric Corporation, Tokyo (JP)
PCT Filed Aug. 3, 2020, PCT No. PCT/JP2020/029678
§ 371(c)(1), (2) Date Dec. 27, 2022,
PCT Pub. No. WO2022/029842, PCT Pub. Date Feb. 10, 2022.
Prior Publication US 2023/0246497 A1, Aug. 3, 2023
Int. Cl. H02K 1/28 (2006.01); H02K 1/278 (2022.01)
CPC H02K 1/28 (2013.01) [H02K 1/278 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A rotating electrical machine comprising:
a rotor fixed to a rotary shaft;
a plurality of magnets arranged on an outer circumference of the rotor; and
holders arranged between each of the plurality of magnets and fixing the magnets such that each of the plurality of magnets contacts two of the holders, wherein
the rotor is provided with a positioning portion that positions each magnet, and a groove for press-fitting and fixing each holder,
each holder is provided with a press-fit portion press-fitted into the groove, and a pressing portion for fixing the magnet, and
by the press-fit portion being press-fitted into the groove, the pressing portion presses and fixes an end of the magnet positioned by the positioning portion.