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:
Jan. 21, 2025

Filed:

Jan. 27, 2023
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Satoshi Ichida, Susono, JP;

Kazuhiro Sugimoto, Ashigarakami-gun, JP;

Manabu Handa, Susono, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01); H02M 1/42 (2007.01);
U.S. Cl.
CPC ...
H02M 3/33523 (2013.01); H02M 1/4208 (2013.01); H02M 3/33573 (2021.05);
Abstract

A power conversion apparatus includes a transformer including a first winding, a second winding, and a third winding, a first switching circuit connected between an external power supply and the first winding, a second switching circuit connected between a main battery and the second winding, and a third switching circuit connected between an auxiliary battery and the third winding. The first switching circuit includes a power factor correction circuit, a smoothing capacitor configured to smooth a voltage of direct-current power output from the power factor correction circuit, and a relay provided in a power line between the smoothing capacitor and the first winding.


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