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Patent Searching and Data


Title:
ROTARY ELECTRIC MACHINE
Document Type and Number:
WIPO Patent Application WO/2019/187205
Kind Code:
A1
Abstract:
This rotary electric machine is equipped with a stator, and a rotor 14 capable of rotating around a center line, equipped with a rotor core 24 having an outer-circumferential surface which faces the stator with a gap interposed therebetween, and further equipped with a plurality of permanent magnets 26 provided for each magnetic pole. The rotor core has two embedding holes 34 filled with a permanent magnet on both sides of a d-axis for each magnetic pole, and also has a plurality of grooves 50 formed in the outer-circumferential surface at locations which contain a q-axis. Each groove is formed so as to satisfy the relationships of 0.05

Inventors:
SASAKI, Naoya (72-34 Horikawa-cho, Saiwai-k, Kawasaki-shi Kanagawa, JP)
MAKINO, Hiroaki (1-1 Shibaura 1-chom, Minato-ku Tokyo, JP)
Application Number:
JP2018/032650
Publication Date:
October 03, 2019
Filing Date:
September 03, 2018
Export Citation:
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Assignee:
KABUSHIKI KAISHA TOSHIBA (1-1 Shibaura 1-chome, Minato-ku Tokyo, 23, 〒1050023, JP)
TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORPORATION (72-34, Horikawa-cho Saiwai-ku, Kawasaki-sh, Kanagawa 13, 〒2120013, JP)
International Classes:
H02K1/22; H02K1/27; H02K21/14
Domestic Patent References:
WO2008153171A12008-12-18
Foreign References:
JP2009219331A2009-09-24
JP2011083114A2011-04-21
JP2015002649A2015-01-05
Attorney, Agent or Firm:
S & S INTERNATIONAL PPC (SUZUYE & SUZUYE BLDG, 1-12-9 Toranomon, Minato-k, Tokyo 01, 〒1050001, JP)
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