Title:
ROTOR FOR MOTOR AND MOTOR COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2020/226323
Kind Code:
A1
Abstract:
Introduced are a rotor for a motor and a motor comprising same, the rotor comprising: a magnet coupled to a shaft to surround the outer circumferential surface of the shaft and including opposite polar magnetic portions alternately disposed along the circumferential direction; a first fixation ring fixed to the shaft to surround the outer circumferential surface of the shaft, disposed in contact with the upper surface of the magnet, and including a first coupling part which is formed at the lower end portion thereof to prevent the first fixation ring from rotating relative to the magnet, the lower end portion being in contact with the upper surface of the magnet; and a second fixation ring fixed to the shaft to surround the outer circumferential surface of the shaft, disposed in contact with the lower surface of the magnet, and including a second coupling part which is formed at the upper end portion thereof to prevent the second fixation ring from rotating relative to the magnet, the upper end portion being in contact with the lower surface of the magnet.
Inventors:
LEE AHN HEE (KR)
Application Number:
PCT/KR2020/005587
Publication Date:
November 12, 2020
Filing Date:
April 28, 2020
Export Citation:
Assignee:
HYUNDAI KEFICO CORP (KR)
International Classes:
H02K1/28; H02K1/27; H02K7/00; H02K29/00
Foreign References:
| JP2008079377A | 2008-04-03 | |||
| JP2004312876A | 2004-11-04 | |||
| KR20100110749A | 2010-10-13 | |||
| JP2009284737A | 2009-12-03 | |||
| JP2005051826A | 2005-02-24 |
Attorney, Agent or Firm:
SHINSEGI PATENT LAW FIRM (KR)
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