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Patent Searching and Data


Title:
MOTOR AND ELECTRIC DEVICE INCLUDING MOTOR
Document Type and Number:
WIPO Patent Application WO/2019/107074
Kind Code:
A1
Abstract:
A motor, provided with: a shaft disposed so as to be capable of rotating about a center axis; two rotors arranged in the axial direction with a prescribed gap therebetween, at least one of the rotors having a magnet; a stator having a plurality of stator cores which are disposed between the two rotors and which are arranged in the circumferential direction, and a coil wound around the plurality of stator cores; and a circuit substrate provided between the stator and the rotor that has a magnet. The circuit substrate has a plurality of groove holes which are arranged in the circumferential direction and which penetrate through the circuit substrate in the axial direction. The plurality of stator cores are fitted into the plurality of groove holes.

Inventors:
YAN GUO-JHIH (TW)
WU KENG CHANG (TW)
WANG KUO-MIN (TW)
LIN HSIU-YING (TW)
LIN MING ZAN (TW)
LIN CHIACHING (TW)
Application Number:
PCT/JP2018/040870
Publication Date:
June 06, 2019
Filing Date:
November 02, 2018
Export Citation:
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Assignee:
NIDEC CORP (JP)
International Classes:
H02K11/215; H02K11/22; H02K11/225; H02K11/25
Foreign References:
JP2016208817A2016-12-08
JPS589563A1983-01-19
JPH11146588A1999-05-28
JP2010093872A2010-04-22
JP2006087205A2006-03-30
JP2007274850A2007-10-18
Other References:
See also references of EP 3719977A4
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