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:
Dec. 07, 2021
Filed:
Oct. 07, 2019
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Shuji Tomura, Nagakute, JP;
Shigeaki Goto, Nagakute, JP;
Naoki Yanagizawa, Nagakute, JP;
Kyosuke Tanemura, Nagakute, JP;
Kazuo Ootsuka, Nagakute, JP;
Junta Izumi, Nagoya, JP;
Kenji Kimura, Miyoshi, JP;
Toshihiro Katsuda, Toyota, JP;
Kohei Matsuura, Anjo, JP;
Takayuki Ban, Nishio, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
Provided is a full-charge-capacity estimating device that has one or more of a plurality of battery modules, as battery-modules-to-be-measured, charged or discharged by means of a first switch element and a second switch element according to whether a power supply device is in a powering state or a regenerating state, measures an integrated current value and a change in the state-of-charge of the battery-module-to-be-measured, and then estimates the full charge capacity of the battery-module-to-be-measured from the integrated current value and the change in the state-of-charge.