Title:
ROTARY ELECTRIC MACHINE AND MANUFACTURING METHOD THEREOF
Document Type and Number:
Japanese Patent JP2019193436
Kind Code:
A
Abstract:
To provide a rotary electric machine performing a balance adjustment of a rotor without cutting and grinding, and a manufacturing method thereof.SOLUTION: A rotor 20 of a rotary electric machine 100 has a shaft 21 which becomes a rotation axis, a rotor core 22 provided on an outer peripheral surface of the shaft 21, and a magnet 23 provided along a circumferential direction of the rotor core 22, and annular groove 24 is formed on at least one end in an axial direction of the rotor core 22 or the shaft 21. On the groove 24, a balance ring 25 formed of annular elastic body having a notch portion 25a for adjusting a balance of a rotation of the rotor 20 is provided.SELECTED DRAWING: Figure 2
Inventors:
SODEOKA SATORU
YUTANI MASAHIRO
SASAKI YOHEI
YUTANI MASAHIRO
SASAKI YOHEI
Application Number:
JP2018083910A
Publication Date:
October 31, 2019
Filing Date:
April 25, 2018
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H02K1/27; H02K1/22; H02K15/16
Attorney, Agent or Firm:
Kanako Murakami
Shigeaki Matsui
Kuratani Yasutaka
Shigeaki Matsui
Kuratani Yasutaka