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:
Sep. 29, 2020

Filed:

Jan. 11, 2019
Applicants:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;

Denso Corporation, Kariya-shi, Aichi-ken, JP;

Inventors:

Kiyohito Machida, Aichi-gun, JP;

Yoshihiro Uchida, Nagakute, JP;

Masaki Uchiyama, Obu, JP;

Assignees:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, Aichi-ken, JP;

DENSO CORPORATION, Kariya-shi, Aichi-ken, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/42 (2006.01); H01M 10/48 (2006.01); H01M 10/613 (2014.01); G01R 19/02 (2006.01); G01R 31/3842 (2019.01); H01M 10/6563 (2014.01);
U.S. Cl.
CPC ...
H01M 10/486 (2013.01); G01R 19/02 (2013.01); G01R 31/3842 (2019.01); H01M 10/425 (2013.01); H01M 10/482 (2013.01); H01M 10/613 (2015.04); H01M 10/6563 (2015.04); H01M 2010/4271 (2013.01); H01M 2010/4278 (2013.01); H01M 2220/20 (2013.01);
Abstract

An ECU performs a process including the steps of: acquiring a lowest temperature TBmin and a temperature TC of cooling air; acquiring a fan airflow volume; setting a cooling coefficient; calculating a resistance value Rtmin; calculating a root-mean-square value of a current; setting TBoffsetcalculating a resistance value Rtmax; calculating a temperature index Ftmax; calculating a temperature index Ftmin; calculating an evaluation function ΔF; calculating a maximum current correction gain G; and calculating a maximum current value Imax.


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