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Patent Searching and Data


Title:
METHOD FOR CONTROLLING COOLING FAN AND WIRELESS CHARGING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/107504
Kind Code:
A1
Abstract:
The disclosure relates to a wireless charging device including a cooling fan, and the wireless charging device according to an embodiment of the disclosure includes: a housing including a holding portion configured to hold an external electronic device; a first bracket positioned in the holding portion; a conductive coil disposed in the first bracket; a second bracket positioned in the holding portion and including a penetrating hole; a first cooling fan positioned in the penetrating hole; a second cooling fan positioned in the penetrating hole and spaced apart from the first cooling fan; and a partition formed in the penetrating hole to isolate the first cooling fan and the second cooling fan from each other, the penetrating hole being divided into a first area having the first cooling fan disposed therein and a second area having the second cooling fan positioned therein, at least one protrusion having a volute shape formed on at least a portion of the second bracket or at least a portion of the partition, a first opening formed on at least an area of the first bracket to allow air cooled by the first cooling fan and/or the second cooling fan to move to the holding portion, and a second opening formed on at least an area of the holding portion to allow the air transmitted from the first opening to move outside the wireless charging device.

Inventors:
JEONG CHIHWAN (KR)
KOO KYUNGHA (KR)
KIM JIHONG (KR)
KANG DONGKU (KR)
KIM KUNTAK (KR)
PARK YUNJEONG (KR)
LEE KYUHWAN (KR)
LEE HAEJIN (KR)
JANG SEYOUNG (KR)
JANG HYUNTAE (KR)
Application Number:
PCT/KR2020/016383
Publication Date:
June 03, 2021
Filing Date:
November 19, 2020
Export Citation:
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Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
H01F27/08; H01F38/14; H02J50/10; H05K7/20
Foreign References:
KR101879656B12018-07-18
US20110167845A12011-07-14
EP3361597A12018-08-15
US20180288898A12018-10-04
US20190223329A12019-07-18
Attorney, Agent or Firm:
KWON, Hyuk-Rok et al. (KR)
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