The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 03, 2023

Filed:

Jul. 07, 2022
Applicant:

Huawei Technologies Co., Ltd., Guangdong, CN;

Inventors:

Jiajia Sui, Shenzhen, CN;

Quanming Li, Dongguan, CN;

Guo Yang, Dongguan, CN;

Shuainan Lin, Shenzhen, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 7/20 (2006.01); H02J 50/00 (2016.01); H02J 50/12 (2016.01); H02J 7/00 (2006.01); H01F 27/08 (2006.01);
U.S. Cl.
CPC ...
H05K 7/20145 (2013.01); H01F 27/085 (2013.01); H02J 7/0042 (2013.01); H02J 50/005 (2020.01); H02J 50/12 (2016.02); H05K 7/20172 (2013.01); H05K 7/20909 (2013.01);
Abstract

Embodiments of the present invention relate to a wireless charging device. The wireless charging device includes a housing, an induction coil, a ferrite, a printed circuit board (PCB), and a fan. The housing includes a first surface and a second surface, a protrusion is disposed on the first surface, and the protrusion is configured to: support a to-be-charged device, and leave a gap between the to-be-charged device and the first surface when the to-be-charged device is installed on the wireless charging device. At least one first air guiding opening and at least one second air guiding opening are disposed on the housing. When the fan runs, the first air guiding opening, the fan, and the second air guiding opening form an air duct that passes through the ferrite and the PCB.


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