Title:
ELECTRIC MOTOR STATOR AND ELECTRIC MOTOR
Document Type and Number:
WIPO Patent Application WO/2018/180345
Kind Code:
A1
Abstract:
This stator (200) for an electric motor (100) comprises: a laminated body (210) having a plurality of annular core sheets (230) laminated therein and a plurality of laminated teeth (212); and a plurality of windings (220) attached to the plurality of laminated teeth (212). Each of the plurality of annular core sheets (230) comprises: an annular core back (231); a plurality of teeth (232) arranged at even intervals on the inner circumference of the core back (231) and protruding towards the center of the core back (231); and a coupling section (233) that couples the tips of two adjacent teeth (232) and includes a joint (234).
Inventors:
MURAKAMI SHUNSUKE (JP)
HAGA HIDEHIRO (JP)
UEDA TOMOYA (JP)
HAGA HIDEHIRO (JP)
UEDA TOMOYA (JP)
Application Number:
PCT/JP2018/009036
Publication Date:
October 04, 2018
Filing Date:
March 08, 2018
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
H02K1/14; H02K1/18; H02K21/12
Foreign References:
| JP2004180383A | 2004-06-24 | |||
| JP2005080474A | 2005-03-24 | |||
| JP2011035947A | 2011-02-17 | |||
| JPH05344665A | 1993-12-24 | |||
| JP2010284025A | 2010-12-16 | |||
| JP2007151232A | 2007-06-14 |
Attorney, Agent or Firm:
OKUDA Seiji (JP)
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