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.

Date of Patent:
Dec. 03, 2024

Filed:

Jun. 26, 2019
Applicant:

Gs Yuasa International Ltd., Kyoto, JP;

Inventor:

Atsushi Fukushima, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 27/08 (2006.01); G01R 31/36 (2020.01); G01R 31/389 (2019.01); H01M 10/48 (2006.01); B60K 6/26 (2007.10); B60W 20/13 (2016.01); G01R 31/367 (2019.01); H01M 10/42 (2006.01);
U.S. Cl.
CPC ...
G01R 27/08 (2013.01); G01R 31/3647 (2019.01); G01R 31/389 (2019.01); H01M 10/48 (2013.01); B60K 2006/268 (2013.01); B60W 20/13 (2016.01); G01R 31/367 (2019.01); H01M 2010/4271 (2013.01);
Abstract

An estimation apparatus for estimating internal resistance of an engine starting battery includes a processor that executes first estimation processing for estimating the internal resistance of the battery by a first estimation method based on a current change and a voltage change of the battery at the time of cranking by an engine starting apparatus, and second estimation processing for estimating the internal resistance of the battery by a second estimation method different from the first estimation method for a period from the cranking by the engine starting apparatus to the next cranking.


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