Title:
VARIABLE-FLUX MOTOR
Document Type and Number:
WIPO Patent Application WO/2018/169203
Kind Code:
A1
Abstract:
The present invention relates to a variable-flux motor comprising: a stator having stator coils; and a rotor disposed to be rotatable with respect to the stator with an air gap interposed therebetween, wherein the rotor comprises: a rotor core; a fixed magnet disposed along the radial direction of the rotor core, and of which one end portion is disposed adjacently to the air gap; and a variable magnet disposed inside the fixed magnet along the radial direction of the rotor core, and the variable magnet is formed such that a magnetic flux thereof varies when a preset current is applied to the stator coils. Therefore, use of an expensive permanent magnet can be excluded.
Inventors:
KO HYOJIN (KR)
OH SEUNGSUK (KR)
KIM DOSUN (KR)
OH SEUNGSUK (KR)
KIM DOSUN (KR)
Application Number:
PCT/KR2018/001297
Publication Date:
September 20, 2018
Filing Date:
January 30, 2018
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H02K1/02; H02K1/27; H02K1/16
Foreign References:
JP3204358U | 2016-06-02 | |||
JP2017011858A | 2017-01-12 | |||
JP2011135638A | 2011-07-07 | |||
JP2002540754A | 2002-11-26 | |||
KR20140109068A | 2014-09-15 |
Attorney, Agent or Firm:
PARK, Jang-Won (KR)
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