Title:
ELECTRIC MOTOR, AIR BLOWER, COMPRESSOR, AND AIR CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/175330
Kind Code:
A1
Abstract:
An electric motor is provided with a stator, and a rotor arranged inside the stator. The stator is provided with a stator core, and a winding formed using aluminum and wound on the stator core with distributed winding. The rotor is provided with a rotor core, and a first number of permanent magnets attached to the rotor core. The stator winding is covered with varnish. The first number is 6-10. Each of the first number of permanent magnets of the rotor contains neodymium, iron, boron, and dysprosium, and the dysprosium content is 0-4 wt%.
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Inventors:
ISHIKAWA ATSUSHI (JP)
Application Number:
PCT/JP2016/061237
Publication Date:
October 12, 2017
Filing Date:
April 06, 2016
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02K1/27
Domestic Patent References:
| WO2008068876A1 | 2008-06-12 |
Foreign References:
| JP2009261188A | 2009-11-05 | |||
| JP2003134712A | 2003-05-09 | |||
| JP2012050331A | 2012-03-08 | |||
| JP2012254019A | 2012-12-20 |
Attorney, Agent or Firm:
MAEDA Minoru et al. (JP)
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