Title:
MOTOR
Document Type and Number:
WIPO Patent Application WO/2020/022647
Kind Code:
A1
Abstract:
An embodiment relates to a motor comprising: a housing; a stator disposed in the housing; a rotor disposed in the stator; a shaft coupled to the rotor; a cover disposed on the housing; a core disposed at the cover; a plurality of brushes electrically connected to the core; and a plurality of coils wound on the core, wherein the core includes a first region, a second region connected to the first region and including a center, and a third region connected to the second region, the coil includes a first coil wound on the first region of the core and a second coil wound on the third region of the core, and the winding direction of the first coil is the same as the winding direction of the second coil with respect to the second region of the core. Therefore, the motor can prevent or minimize the effects of externally generated electromagnetic waves by using two coils wound on a single core.
Inventors:
OK BIT NA RA (KR)
Application Number:
PCT/KR2019/007181
Publication Date:
January 30, 2020
Filing Date:
June 14, 2019
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
H02K11/026; H02K13/10
Foreign References:
| KR20180042686A | 2018-04-26 | |||
| KR20180027020A | 2018-03-14 | |||
| JP2015070658A | 2015-04-13 | |||
| US20110095630A1 | 2011-04-28 | |||
| JPH0938378A | 1997-02-10 |
Other References:
See also references of EP 3829040A4
Attorney, Agent or Firm:
DANA PATENT LAW FIRM (KR)
Download PDF: