US 12,462,963 B2
Wireless charging device and moving means including same
Seunghwan Lee, Gyeonggi-do (KR); Tae Kyoung Kim, Gyeonggi-do (KR); Jong Hak Choi, Gyeonggi-do (KR); and Nah Young Kim, Gyeonggi-do (KR)
Assigned to SKC CO., LTD., Gyeonggi-do (KR)
Appl. No. 17/765,819
Filed by SKC CO., LTD., Gyeonggi-do (KR)
PCT Filed Oct. 29, 2020, PCT No. PCT/KR2020/014939
§ 371(c)(1), (2) Date Mar. 31, 2022,
PCT Pub. No. WO2021/086071, PCT Pub. Date May 6, 2021.
Claims priority of application No. 10-2019-0135513 (KR), filed on Oct. 29, 2019; and application No. 10-2019-0135516 (KR), filed on Oct. 29, 2019.
Prior Publication US 2022/0328232 A1, Oct. 13, 2022
Int. Cl. H01F 27/08 (2006.01); B60L 53/12 (2019.01); B60L 53/302 (2019.01); H01F 27/10 (2006.01); H02J 50/00 (2016.01); H02J 50/10 (2016.01); H02J 50/70 (2016.01)
CPC H01F 27/085 (2013.01) [B60L 53/12 (2019.02); B60L 53/302 (2019.02); H01F 27/10 (2013.01); H02J 50/005 (2020.01); H02J 50/10 (2016.02); H02J 50/70 (2016.02)] 13 Claims
OG exemplary drawing
 
1. A wireless charging device, which comprises a coil unit; a shield unit disposed on the coil unit; a magnetic unit disposed between the coil unit and the shield unit; and a channel provided inside or adjacent to the magnetic unit, wherein a fluid for cooling is introduced into the channel and comes into contact with the magnetic unit,
wherein the shield unit is disposed to be spaced apart from the magnetic unit by a predetermined interval,
wherein the wireless charging device comprises an air circulation unit, as the channel, positioned between the magnetic unit and the shield unit, and
wherein air, as the cooling fluid, is introduced into the air circulation unit and comes into direct contact with the surface of the magnetic unit and the surface of the shield unit.