Title:
INNER ROTOR ELECTRIC MOTOR AND FAN
Document Type and Number:
WIPO Patent Application WO/2022/249238
Kind Code:
A1
Abstract:
A stator core (6) has: a cylindrical core back portion (9), on the inner circumferential side of which a plurality of recessed portions (11) are disposed at intervals; and a plurality of tooth portions (10) that are press-fitted into the plurality of recessed portions (11) of the core back portion (9), projects from the inner circumferential surface of the core back portion (9), and are arranged in a radial shape. In the stator core (6), notch portions (12) are respectively provided on at least one sides of the plurality of recessed portions (11) of the core back portion (9).
Inventors:
YAMASHITA TATSUYA (JP)
Application Number:
PCT/JP2021/019608
Publication Date:
December 01, 2022
Filing Date:
May 24, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02K1/06
Domestic Patent References:
| WO2007141907A1 | 2007-12-13 |
Foreign References:
| JPH0191628A | 1989-04-11 | |||
| JP2016063676A | 2016-04-25 |
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
Download PDF:
Previous Patent: COMPRESSOR AND REFRIGERATION CYCLE DEVICE
Next Patent: COMPRESSOR AND REFRIGERATION CYCLE DEVICE
Next Patent: COMPRESSOR AND REFRIGERATION CYCLE DEVICE