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. 20, 2015

Filed:

Aug. 28, 2013
Applicant:

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

Inventor:

Xiaohu Liu, Shenzhen, CN;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H05K 7/20 (2006.01); H02M 7/00 (2006.01);
U.S. Cl.
CPC ...
H05K 7/20909 (2013.01); H02M 7/003 (2013.01); H05K 7/209 (2013.01); H05K 7/20918 (2013.01);
Abstract

An inverter, a sealing air duct, and a heat dissipation system are disclosed. The inverter includes: an enclosure having a first cavity and a second cavity that are isolated from each other and sealed; a magnetic conversion circuit including magnetic elements that is arranged in the first cavity; a power conversion circuit including power tubes that is arranged in the second cavity; a heatsink arranged at the bottom of the enclosure and located outside the first cavity and the second cavity; a sealing air duct arranged outside the second cavity, where the columnar pipeline is sealed at two ends, the bottom surface is formed by a side wall of the second cavity or a substrate of the heatsink, and the bottom surface includes an air inlet and an air outlet to communicate with the second cavity and the at least one columnar pipeline.


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