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Title:
STATOR AND MOTOR
Document Type and Number:
WIPO Patent Application WO/2019/189527
Kind Code:
A1
Abstract:
One embodiment of the stator of this invention is provided with: a stator core having an annular core back which extends in a circumferential direction about an axis which extends in one direction, and having a plurality of teeth extending inward in a radial direction from the core back; a plurality of coil wires provided on the plurality of teeth; and protrusions protruding inward in the radial direction from the core back between adjacent teeth. The protrusion outer side-surfaces of the outer surfaces of each of the protrusions, the protrusion outer side-surfaces being arranged in the circumferential direction, are parallel to tooth outer-side surfaces of the outer surfaces of the teeth adjacent to the protrusion outer side-surfaces, the tooth outer-side surfaces facing the protrusion outer side-surfaces in the circumferential direction. The protrusion outer side-surfaces perpendicularly cross the inner peripheral surface of the core back.

Inventors:
RENGI, Hironori (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
NAKAMURA, Satoru (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
SHIMMURA, Shogo (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
OWAKI, Ryohei (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
Application Number:
JP2019/013487
Publication Date:
October 03, 2019
Filing Date:
March 28, 2019
Export Citation:
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Assignee:
NIDEC CORPORATION (338 Kuzetonoshiro-cho, Minami-ku Kyoto-sh, Kyoto 05, 〒6018205, JP)
International Classes:
H02K1/14; H02K3/34; H02K3/50; H02K15/12
Foreign References:
JP2014236576A2014-12-15
JP2009118610A2009-05-28
JP2000125520A2000-04-28
JP2013208021A2013-10-07
JP2013066314A2013-04-11
JP2016167927A2016-09-15
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