Invention Grant
- Patent Title: Inner rotor magnet holder
- Patent Title (中): 内转子磁铁架
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Application No.: US14002592Application Date: 2012-12-21
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Publication No.: US09496761B2Publication Date: 2016-11-15
- Inventor: Hidehiro Haga , Masato Aono , Takashi Hattori
- Applicant: Hidehiro Haga , Masato Aono , Takashi Hattori
- Applicant Address: JP Kyoto
- Assignee: NIDEC CORPORATION
- Current Assignee: NIDEC CORPORATION
- Current Assignee Address: JP Kyoto
- Agency: Cantor Colburn LLP
- Priority: JP2011-283475 20111226
- International Application: PCT/JP2012/008218 WO 20121221
- International Announcement: WO2013/099195 WO 20130704
- Main IPC: H02K1/27
- IPC: H02K1/27 ; H02K1/28

Abstract:
A motor may include a stationary section and a rotating section. The stationary section may include a stator core having a plurality of teeth and a coil including a conducting wire wound around each tooth. The rotating section may include a plurality of magnets arranged radially inside the coil, a rotor core, and a magnet holder holding the magnets. Each magnet may have a circumferential end face at each of both end portions in the circumferential direction. The magnet holder may include a columnar portion axially extending between adjacent magnets, and a wall surface spreading in the circumferential direction from the columnar portion. The wall surface may come into contact with a surface arranged radially outside the circumferential end face of the magnet. The circumferential end face on at least one side of the magnet may face the columnar portion with a gap interposed therebetween in the circumferential direction.
Public/Granted literature
- US20150001978A1 MOTOR Public/Granted day:2015-01-01
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