Title:
ROTOR AND MOTOR HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2019/107828
Kind Code:
A1
Abstract:
An embodiment relates to a motor comprising: a shaft; a rotor which is coupled to the shaft; and a stator which is disposed outside the rotor, wherein the rotor comprises a first can, a rotor core which is at least partially disposed in the first can, a plurality of magnets which are coupled to the rotor core, and a second can in which another portion of the rotor core is disposed, the plurality of magnets are spaced apart in the circumferential direction by a plurality of spacing spaces, the first can comprises a first plate portion, a first protrusion portion which is formed by bending at an edge of the first plate portion, and a plurality of first protrusions which are disposed on at least two of the plurality of spacing spaces and spaced apart from each other, the second can includes a second plate portion, a second protrusion portion which is formed by bending at the edge of the second plate portion, and a plurality of second protrusions which are disposed on at least two different spaces of the plurality of spacing spaces and spaced from each other, and the first protrusion and the second protrusion are arranged to be offset from each other.
Inventors:
PARK CHANG HYUN (KR)
KIM JAE YOUNG (KR)
WON IL SIK (KR)
KIM JAE YOUNG (KR)
WON IL SIK (KR)
Application Number:
PCT/KR2018/014339
Publication Date:
June 06, 2019
Filing Date:
November 21, 2018
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
H02K1/28; H02K1/27; H02K21/22
Foreign References:
| KR20160076729A | 2016-07-01 | |||
| JP2004360499A | 2004-12-24 | |||
| JP2005287271A | 2005-10-13 | |||
| JP2013118799A | 2013-06-13 | |||
| US20100289367A1 | 2010-11-18 |
Other References:
See also references of EP 3719960A4
Attorney, Agent or Firm:
DANA PATENT LAW FIRM (KR)
Download PDF: