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Patent Searching and Data


Title:
ROTOR FOR SYNCHRONOUS ELECTRIC MOTOR, MANUFACTURING METHOD THEREFOR, AND SYNCHRONOUS ELECTRIC MOTOR
Document Type and Number:
WIPO Patent Application WO/2013/111301
Kind Code:
A1
Abstract:
Provided is a rotor for a synchronous electric motor equipped with: a highly magnetic circular permanent magnet (1), which is arranged on the surface of the rotor, and the outer circumferential surface of which opposes the stator core (4); and a circular permanent magnet (2), the length of which in the rotational axis direction is greater than that of the stator core (4), and which has less magnetic force than the permanent magnet (1) and has a polar-anisotropic orientation, and in the outer circumferential surface of which the permanent magnet (1) is embedded such that both ends of the permanent magnet (1) in the rotational axis direction and the inner-circumferential side thereof are enclosed.

Inventors:
MATSUOKA ATSUSHI (JP)
BABA KAZUHIKO (JP)
Application Number:
PCT/JP2012/051672
Publication Date:
August 01, 2013
Filing Date:
January 26, 2012
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
MATSUOKA ATSUSHI (JP)
BABA KAZUHIKO (JP)
International Classes:
H02K1/27
Foreign References:
JPH0993842A1997-04-04
JP2011087393A2011-04-28
JP2009189155A2009-08-20
Attorney, Agent or Firm:
SAKAI, HIROAKI (JP)
Hiroaki Sakai (JP)
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Claims: