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Title:
PERMANENT MAGNET SYNCHRONOUS MOTOR
Document Type and Number:
WIPO Patent Application WO/2016/203574
Kind Code:
A1
Abstract:
An 8-pole, 9-slot permanent magnet synchronous motor (100) equipped with a stator core (10) provided with a ring-shaped yoke (1a) and a plurality of teeth (1b), wherein: each of the plurality of teeth (1b) has a winding (1b1) constituting a section around which a coil is wound; the plurality of teeth (1b) include three teeth groups; the three teeth groups comprise a first tooth, a second tooth and a third tooth, which are positioned in order in the direction of rotation of a rotor, and which each have a coil of the same phase wound therearound; the first tooth, second tooth and third tooth of the three teeth groups are positioned in order in the direction of rotation of the rotor 2; and the width of the winding (1b1) of the first tooth is narrower than the widths of the windings (1b1) of the second and third teeth.

Inventors:
MATSUOKA, Atsushi (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2015/067464
Publication Date:
December 22, 2016
Filing Date:
June 17, 2015
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
H02K1/14; H02K21/16
Foreign References:
JPS63144749A1988-06-16
JPS63129840A1988-06-02
JP2000152581A2000-05-30
Attorney, Agent or Firm:
TAKAMURA, Jun (Sakai International Patent Office, Toranomon Mitsui Building 8-1, Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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