Title:
ROTOR, MOTOR, FAN, VENTILATOR, AND AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2023/127084
Kind Code:
A1
Abstract:
A rotor (2) has: an outer rotor part (22A); and an inner rotor part (22B) provided inside the outer rotor part (22A). The outer rotor part (22A) is a bond magnet having a dielectric constant of more than 40 but not more than 200. The inner rotor part (22B) is an insulator having a dielectric constant of not more than 10. When the outer diameter of the outer rotor part (22A) is denoted as D1, the inner diameter of the outer rotor part (22A) is denoted as D2, the outer diameter of the inner rotor part (22B) is denoted as D3, and the inner diameter of the inner rotor part (22B) is denoted as D4, the rotor (2) satisfies D2=D3 and 0.15≤(D3-D4)/(D1-D2).
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Inventors:
BABA KAZUHIKO (JP)
MATSUOKA ATSUSHI (JP)
OZAKI JUNICHI (JP)
MATSUOKA ATSUSHI (JP)
OZAKI JUNICHI (JP)
Application Number:
PCT/JP2021/048762
Publication Date:
July 06, 2023
Filing Date:
December 28, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02K1/2726
Domestic Patent References:
| WO2018158930A1 | 2018-09-07 |
Foreign References:
| JP2018201295A | 2018-12-20 | |||
| JP2018110483A | 2018-07-12 | |||
| JP2001178040A | 2001-06-29 |
Attorney, Agent or Firm:
YAMAGATA Yoichi et al. (JP)
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