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. 18, 2021
Filed:
Oct. 26, 2017
Kabushiki Kaisha Toyota Chuo Kenkyusho, Nagakute, JP;
Shigeaki Goto, Nagakute, JP;
Keisuke Ishikawa, Nagakute, JP;
Shuji Tomura, Nagakute, JP;
Naoki Yanagizawa, Nagakute, JP;
KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO, Nagakute, JP;
Abstract
A power supply device includes battery circuit modules each having a battery, a first switching element Sconnected in parallel to the battery, and a second switching element Sconnected in series to the battery between the battery and the first switching element S, the second switching element Sbeing turned off when the first switching element Sis turned on, a battery circuit module group in which the battery circuit modules are connected in series, and a control circuit for outputting, at intervals of a certain time, a gate signal for turning on and off the first switching element Sand the second switching element Sto the battery circuit modules.