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. 31, 2022
Filed:
May. 26, 2020
Applicant:
Mazda Motor Corporation, Hiroshima, JP;
Inventors:
Assignee:
MAZDA MOTOR CORPORATION, Hiroshima, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 1/00 (2006.01); H02P 3/00 (2006.01); H02P 5/00 (2016.01); B60L 50/40 (2019.01); B60L 53/20 (2019.01); B60L 50/60 (2019.01); B60L 53/55 (2019.01); B60K 6/28 (2007.10); H02J 1/10 (2006.01);
U.S. Cl.
CPC ...
B60L 50/40 (2019.02); B60K 6/28 (2013.01); B60L 50/60 (2019.02); B60L 53/20 (2019.02); B60L 53/55 (2019.02); H02J 1/102 (2013.01);
Abstract
A vehicle drive system includes: a power supply in which a battery and a capacitor are connected in series; a primary drive motor to which a voltage of the battery is provided; secondary drive motors to each of which a total voltage (Vin) of the battery and the power supply capacitor is provided; a charging circuit; and a control circuit that controls charging/discharging of the power supply. The control circuit operates switches SW, SWof the charging circuit so as to control charging/discharging of the battery and the capacitor.