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.
Patent No.:
Date of Patent:
Dec. 09, 2025
Filed:
Jan. 23, 2023
Applicant:
Fuji Electric Co., Ltd., Kawasaki, JP;
Inventor:
Shun Fukuchi, Suzuka, JP;
Assignee:
FUJI ELECTRIC CO., LTD., Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 7/20 (2006.01); H02M 3/00 (2006.01); H02M 3/335 (2006.01); H02M 7/00 (2006.01); H02M 7/537 (2006.01);
U.S. Cl.
CPC ...
H05K 7/20927 (2013.01); H02M 3/003 (2021.05); H02M 3/335 (2013.01); H02M 7/003 (2013.01); H02M 7/537 (2013.01); H05K 7/20145 (2013.01);
Abstract
The power conversion device includes: a DC-DC converter unit including a transformer having a coil substrate where a primary side coil is formed and a bus bar forming a secondary side coil, and converting a voltage of DC power input from a DC power supply into a different voltage; and a cooling portion where a cooling flow path through which a cooling liquid flows is provided and the DC-DC converter unit is disposed. The bus bar of the transformer has a cooling portion side fixed portion fixed to the cooling portion provided with the cooling flow path.