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:
Aug. 12, 2025
Filed:
Mar. 03, 2022
Applicant:
Kabushiki Kaisha Toyota Jidoshokki, Aichi-ken, JP;
Inventor:
Sadanori Suzuki, Kariya, JP;
Assignee:
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, Aichi-Ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/42 (2007.01); H02M 1/15 (2006.01); H02M 1/44 (2007.01); H02M 7/217 (2006.01); H02M 7/25 (2006.01);
U.S. Cl.
CPC ...
H02M 1/4283 (2021.05); H02M 1/15 (2013.01); H02M 1/4233 (2013.01); H02M 1/4258 (2013.01); H02M 1/44 (2013.01); H02M 7/2176 (2013.01); H02M 7/25 (2013.01);
Abstract
A power conversion device converts AC voltage into DC voltage. The power conversion device includes a transformer, a first capacitor, a primary circuit, a rectifying-smoothing circuit, and a controller. The primary circuit includes a bridge circuit having two arm switching elements, and is connected to a primary winding of the transformer via the first capacitor. The rectifying-smoothing circuit includes a secondary diode and an output capacitor. The primary circuit includes a buffer circuit having a buffer capacitor and a buffer switching element. The controller controls switching of switching elements.