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Patent Searching and Data


Title:
PERMANENT MAGNET SYNCHRONOUS MOTOR, COMPRESSOR AND AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2017/126053
Kind Code:
A1
Abstract:
This motor 1 is provided with: a stator core 4; a rotor core 10 which is arranged inside the stator core 4 and comprises a plurality of magnet holes 13 that are arranged in the circumferential direction; and a plurality of permanent magnets 11 which are respectively arranged within the plurality of magnet holes 13. The stator core 4 is configured of a plurality of plate materials that are formed from a first magnetic material and have a first thickness. The rotor core 10 is configured of a plurality of plate materials that are formed from a second magnetic material and have a second thickness. The first thickness is smaller than the second thickness; and the silicon content of the first soft magnetic material is higher than the silicon content of the second soft magnetic material.

Inventors:
BABA KAZUHIKO (JP)
NIGO MASAHIRO (JP)
Application Number:
JP2016/051547
Publication Date:
July 27, 2017
Filing Date:
January 20, 2016
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02K21/14
Foreign References:
JP2007124828A2007-05-17
JP2010045870A2010-02-25
JPH0360359A1991-03-15
JP2008022631A2008-01-31
JP2010142032A2010-06-24
JP2010142032A2010-06-24
JPH06145917A1994-05-27
JP2012197707A2012-10-18
Attorney, Agent or Firm:
TAKAMURA, JUN (JP)
Jun Takamura (JP)
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