Title:
ホルダ、ロータ、モータ、およびロータの製造方法
Document Type and Number:
Japanese Patent JP7363296
Kind Code:
B2
Abstract:
A rotor includes a rotor core, a first magnet, a second magnet, and a holder made of resin. Both a radially inner surface and a radially outer surface of the first magnet are covered with the rotor core. The second magnet includes a radially inner surface covered with the rotor core, and a radially outer surface exposed from the rotor core. The holder includes a first inner pressing portion and a second inner pressing portion. The first inner pressing portion presses the first magnet radially outward from a radially inner side of the first magnet. The second inner pressing portion presses the second magnet radially outward from a radially inner side of the second magnet. Accordingly, the first magnet and the second magnet are accurately positioned for the rotor core.
Inventors:
Yuya Saito
Hideo Fujiwara
one yen clear
Hideo Fujiwara
one yen clear
Application Number:
JP2019178397A
Publication Date:
October 18, 2023
Filing Date:
September 30, 2019
Export Citation:
Assignee:
Nidek Co., Ltd.
International Classes:
H02K1/278; H02K1/22; H02K1/276; H02K15/02
Domestic Patent References:
| JP2001157394A | ||||
| JP2084032A | ||||
| JP2012228075A | ||||
| JP2019115121A |
Foreign References:
| WO2019069539A1 |
Attorney, Agent or Firm:
Takami Nishida
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