Title:
MOTOR
Document Type and Number:
WIPO Patent Application WO/2021/133056
Kind Code:
A1
Abstract:
The present invention may provide a motor comprising a shaft, a rotor coupled to the shaft, and a stator disposed to correspond to the rotor, wherein: the rotor includes a first rotor core and a second rotor core which are axially arranged, a first magnet arranged on the outer peripheral surface of the first rotor core, a second magnet arranged on the outer peripheral surface of the second rotor core, a first cover arranged outside the first magnet, and a second cover arranged outside the second magnet; a spacer is disposed between the first rotor core and the second rotor core; one end of the first cover and one end of the second cover are axially arranged with a gap therebetween; the axial thickness of the spacer is greater than or equal to the gap; and the first magnet and the second magnet are radially arranged so as not to overlap with the gap.
Inventors:
WOO JOON KEUN (KR)
OH SUNG JOO (KR)
OH SUNG JOO (KR)
Application Number:
PCT/KR2020/018992
Publication Date:
July 01, 2021
Filing Date:
December 23, 2020
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
H02K1/27; B62D5/04; H02K5/10; H02K7/00; H02K21/22
Foreign References:
| JP2013238209A | 2013-11-28 | |||
| US20160352197A1 | 2016-12-01 | |||
| KR20170102747A | 2017-09-12 | |||
| US20140042856A1 | 2014-02-13 | |||
| US20070296297A1 | 2007-12-27 |
Attorney, Agent or Firm:
DANA PATENT LAW FIRM (KR)
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