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:
Jun. 14, 2022
Filed:
Sep. 30, 2020
Applicant:
Keihin Corporation, Tokyo, JP;
Inventors:
Assignee:
HITACHI ASTEMO, LTD., Hitachinaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 7/537 (2006.01); B60L 50/51 (2019.01); H02J 9/06 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 7/537 (2013.01); B60L 50/51 (2019.02); H02J 9/06 (2013.01); B60L 2210/40 (2013.01); H02M 1/00 (2013.01); H02M 1/0009 (2021.05);
Abstract
The present power control device includes an inverter, a step-up/down converter, a first capacitor, a second capacitor, and a control device. The step-up/down converter includes an upper arm and a lower arm that are switching elements, and a reactor that has a first end and a second end, the first end being connected to the first capacitor, and the second end being connected between the upper arm and the lower arm. The control device is configured to fix the lower arm in an off state and control the upper arm such that the upper arm switches at a predetermined duty ratio.