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:
May. 05, 2026
Filed:
Oct. 12, 2023
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventors:
Abhijit Choudhury, Tokyo, JP;
Takae Shimada, Tokyo, JP;
Assignee:
HITACHI, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 7/538 (2007.01); H02J 7/06 (2006.01); H02M 3/335 (2006.01); H02M 7/5387 (2007.01);
U.S. Cl.
CPC ...
H02M 7/5387 (2013.01); H02J 7/06 (2013.01); H02M 3/33584 (2013.01); H02J 2207/20 (2020.01);
Abstract
A power conversion device charges a plurality of storage devices and includes a plurality of converter units that receives AC power and outputs DC power, and a bidirectional DC/DC converter connected between two DC outputs of a plurality of DC outputs of the plurality of converter units. The bidirectional DC/DC converter transmits at least a part of output power of the converter unit at one DC output from the one DC output to the other DC output of the two DC outputs according to required power of the plurality of storage devices.