Title:
NON-CONTACT ROTARY TRANSFORMER AND MOTOR COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2023/146056
Kind Code:
A1
Abstract:
Disclosed are a non-contact rotary transformer and a motor comprising same. A non-contact rotary transformer according to the present invention is a device for connecting a rotor of a motor with an external power source in a non-contact manner, and is characterized by comprising: a core part disposed inside a hollow motor shaft in a coaxial structure with the motor shaft; a primary coil part installed on the outer circumferential surface of the core part; a secondary coil part which is installed on an inner main surface of the motor shaft and surrounds the primary coil part at a predetermined interval (air gap) therefrom; and a rectifier circuit part which is coupled to the motor shaft and rotates in synchronization therewith, and which is electrically connected to the secondary coil part.
Inventors:
LEE JOO YEOL (KR)
Application Number:
PCT/KR2022/014001
Publication Date:
August 03, 2023
Filing Date:
September 20, 2022
Export Citation:
Assignee:
LEE JOO YEOL (KR)
International Classes:
H02K11/00; H01F38/14; H02J50/10; H02K1/02; H02K1/06; H02K5/02; H02K7/08; H02K11/01; H02K11/042
Foreign References:
| KR20120003747A | 2012-01-11 | |||
| JP2011507611A | 2011-03-10 | |||
| JP2018110498A | 2018-07-12 | |||
| JP3259919B2 | 2002-02-25 | |||
| US20030173936A1 | 2003-09-18 |
Attorney, Agent or Firm:
SHIN, Jae Yeol et al. (KR)
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