Title:
STATOR, AND MOTOR COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2018/044027
Kind Code:
A1
Abstract:
An embodiment relates to a stator and motor, the stator comprising: a stator core having teeth; and a coil wound on the teeth, wherein each tooth comprises a body around which the coil is wound, and a shoe connected to the body, and the shoe comprises a plurality of grooves, and the width of the grooves, which are in the circumferential direction, is 90-110% of the width of a slot opening between the teeth. In addition, the motor forms grooves on the teeth of the stator, increasing the main cogging differential, thereby providing the benefit of significantly reducing the cogging torque.
Inventors:
WOO SHUNG HUN (KR)
PYEON JIN SU (KR)
PYEON JIN SU (KR)
Application Number:
PCT/KR2017/009410
Publication Date:
March 08, 2018
Filing Date:
August 29, 2017
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
H02K1/14; B62D5/04; H02K1/27; H02K3/52; H02K21/22
Foreign References:
| JP2015070663A | 2015-04-13 | |||
| JP2010172063A | 2010-08-05 | |||
| KR100589817B1 | 2006-06-14 | |||
| JP2011067090A | 2011-03-31 | |||
| JP2009189163A | 2009-08-20 |
Other References:
See also references of EP 3509187A4
Attorney, Agent or Firm:
DANA PATENT LAW FIRM (KR)
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