Title:
ROTOR, ELECTRIC MOTOR, AIR BLOWER, AIR CONDITIONING DEVICE, AND METHOD FOR PRODUCING ELECTRIC MOTOR
Document Type and Number:
WIPO Patent Application WO/2023/148953
Kind Code:
A1
Abstract:
This rotor has a rotating shaft to which a bearing is attached, a rotor core fixed to the rotating shaft, and a permanent magnet fixed to the rotor core. The rotor core has a hole section extending in the axial direction of the rotating shaft. The distance Lm from the central axis of the rotating shaft to the permanent magnet, the distance Ls from the central axis to the hole section, and the distance Lb from the central axis to the outer circumference of a bearing satisfy Lm > Ls > Lb.
Inventors:
SHIMOKAWA TAKAYA (JP)
WATANABE TAKANORI (JP)
TSUCHIDA KAZUCHIKA (JP)
MAESHIMA YUSUKE (JP)
WATANABE TAKANORI (JP)
TSUCHIDA KAZUCHIKA (JP)
MAESHIMA YUSUKE (JP)
Application Number:
PCT/JP2022/004601
Publication Date:
August 10, 2023
Filing Date:
February 07, 2022
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02K1/22
Domestic Patent References:
| WO2020003341A1 | 2020-01-02 |
Foreign References:
| JP2009268263A | 2009-11-12 | |||
| JP2009072035A | 2009-04-02 | |||
| JP2014131376A | 2014-07-10 | |||
| JP3217347U | 2018-08-02 | |||
| JP2009148035A | 2009-07-02 | |||
| JP2019213414A | 2019-12-12 | |||
| JP2014108020A | 2014-06-09 |
Attorney, Agent or Firm:
YAMAGATA Yoichi et al. (JP)
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