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Title:
WIRELESS POWER TRANSMISSION DEVICE COMPRISING COIL STRUCTURE AND POWER TRANSFER CIRCUIT FOR WIRELESS POWER TRANSMISSION, AND WIRELESS POWER RECEPTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/265469
Kind Code:
A1
Abstract:
Disclosed is a wireless power transmission pad prepared to transmit wireless power to a reception pad including a secondary coil. The wireless power transmission pad includes: a primary coil arranged to surround a central space; a ferrite forming a magnetic coupling with the primary coil; and a housing supporting the primary coil and the ferrite. The primary coil of the wireless power transmission pad is formed in a state in which a flat wire or a planar wire is wound at least once.

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Inventors:
SEONG JAE YONG (KR)
Application Number:
PCT/KR2022/008701
Publication Date:
December 22, 2022
Filing Date:
June 20, 2022
Export Citation:
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Assignee:
HYUNDAI MOTOR CO LTD (KR)
KIA CORP (KR)
International Classes:
H02J50/00; B60L53/12; H01F3/00; H01F5/02; H01F27/28; H01F27/36; H02J50/10
Foreign References:
KR20200016084A2020-02-14
KR20170106008A2017-09-20
US20200168393A12020-05-28
KR20210071528A2021-06-16
KR20180137416A2018-12-27
Attorney, Agent or Firm:
E-SANG PATENT & TRADEMARK LAW FIRM (KR)
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