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Patent Searching and Data


Title:
STATOR, ELECTRIC MOTOR, COMPRESSOR, REFRIGERATION AIR CONDITIONING DEVICE, AND METHOD FOR PRODUCING STATOR
Document Type and Number:
WIPO Patent Application WO/2018/207277
Kind Code:
A1
Abstract:
This stator (2) comprises yoke sections (21a) and teeth sections (22a) positioned on the inner sides of the yoke sections (21a) in the radial direction. The fracture surface ratio of an inner surface (222) of the teeth sections (22a) in the radial direction is smaller than the fracture surface ratio of the side surfaces (211) of the yoke sections (21a).

Inventors:
HIROSAWA Yuji (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
NIGO Masahiro (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2017/017652
Publication Date:
November 15, 2018
Filing Date:
May 10, 2017
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
H02K1/02; H02K1/06; H02K15/02
Domestic Patent References:
WO2015198961A12015-12-30
WO2014115271A12014-07-31
Foreign References:
JP2005354817A2005-12-22
JP2017041979A2017-02-23
JP2009038843A2009-02-19
JP2012228040A2012-11-15
JP2009050098A2009-03-05
EP2757664A22014-07-23
CN103795159A2014-05-14
Attorney, Agent or Firm:
MAEDA Minoru et al. (MAEDA & YAMAGATA, Koda Bldg. 4F 16-2, Yoyogi 2-chome, Shibuya-k, Tokyo 53, 〒1510053, JP)
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