Title:
ROTOR, MOTOR USING SAID ROTOR, AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/021880
Kind Code:
A1
Abstract:
Provided are a rotor capable of effectively utilizing the magnetic flux generated by a magnet, a motor using the rotor, and an electronic device. The rotor comprises a plurality of magnetic bodies (33x, 33y) stacked in the axial direction and a plurality of magnets, wherein: the magnetic bodies (33x, 33y) have an annular portion (33a), a plurality of magnetic pole pieces (33b) extending in the radial direction (cd), and a plurality of connection portions (33cx, 33cy) for connecting between the respective plurality of magnetic pole pieces (33b) and the annular portion (33a); the plurality of magnets are disposed in the circumferential direction (ef) between adjacent two magnetic pole pieces (33b) of the plurality of magnetic pole pieces (33b); and the connection portions (33cx, 33cy) extend having both a component in the radial direction (cd) and a component in the circumferential direction (ef).
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Inventors:
YAMADA TAKUJI (JP)
KEBUKAWA KOUJI (JP)
WATANABE TORU (JP)
TOYOMURA NAOTO (JP)
KEBUKAWA KOUJI (JP)
WATANABE TORU (JP)
TOYOMURA NAOTO (JP)
Application Number:
PCT/JP2022/027069
Publication Date:
February 23, 2023
Filing Date:
July 08, 2022
Export Citation:
Assignee:
MINEBEA MITSUMI INC (JP)
International Classes:
H02K21/16; H02K1/2706
Foreign References:
| JP2015211623A | 2015-11-24 | |||
| JP2014036554A | 2014-02-24 | |||
| JP2004096978A | 2004-03-25 | |||
| JP2020124112A | 2020-08-13 | |||
| JP2020127286A | 2020-08-20 |
Attorney, Agent or Firm:
EINSEL Felix-Reinhard et al. (JP)
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