Title:
SLIM DISK DRIVE DEVICE FOR FRICTION GENERATOR
Document Type and Number:
WIPO Patent Application WO/2024/049093
Kind Code:
A1
Abstract:
The present invention relates to a slim disk drive device for a friction generator to rotate a disk used in the friction generator. A disk drive device for a friction generator of the present invention comprises: a motor housing including an annular trench-type groove on the lower side thereof; a motor cover coupled to a lower portion of the motor housing to configure the inside of the trench-type groove to a sealing state; a stator disposed in the sealed trench-type groove to generate a rotating magnetic field to rotate a rotor; and the rotor rotatably disposed to have an air gap inside the stator and having a sealing structure by a rotor support body except for the exposed surface facing the stator, wherein a ferrite magnet is disposed on the exposed surface of the rotor.
Inventors:
LEE JEONG HOON (KR)
Application Number:
PCT/KR2023/012503
Publication Date:
March 07, 2024
Filing Date:
August 23, 2023
Export Citation:
Assignee:
AMOTECH CO LTD (KR)
International Classes:
H02K21/14; H02K1/16; H02K1/278; H02K5/124; H02K7/08; H02K11/215; H02N1/04
Domestic Patent References:
| WO2021094744A1 | 2021-05-20 | |||
| WO2021086742A1 | 2021-05-06 |
Foreign References:
| KR20140145059A | 2014-12-22 | |||
| KR20120128890A | 2012-11-28 | |||
| KR101175713B1 | 2012-08-21 |
Attorney, Agent or Firm:
LEE, Jae Hwa (KR)
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