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:
Feb. 14, 2017

Filed:

May. 12, 2015
Applicant:

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

Inventors:

Michihiro Miyashita, Susono, JP;

Tomoharu Maeda, Toyota, JP;

Kohei Tochigi, Susono, JP;

Tomomi Katsumata, Susono, JP;

Assignee:

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

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02N 11/08 (2006.01); F02D 28/00 (2006.01); B60W 20/00 (2016.01); B60W 10/08 (2006.01); F02D 29/02 (2006.01); F02D 29/06 (2006.01); B60W 10/06 (2006.01); B60W 10/26 (2006.01); H02J 7/14 (2006.01); H02P 9/00 (2006.01);
U.S. Cl.
CPC ...
F02N 11/0862 (2013.01); B60W 10/06 (2013.01); B60W 10/26 (2013.01); F02D 29/02 (2013.01); F02D 29/06 (2013.01); H02J 7/1438 (2013.01); H02J 7/1446 (2013.01); H02P 9/00 (2013.01); F02N 11/0822 (2013.01); F02N 2200/061 (2013.01); F02N 2200/062 (2013.01); F02N 2200/101 (2013.01); F02N 2300/2006 (2013.01); F02N 2300/2011 (2013.01);
Abstract

An auxiliary current amount that is used in an auxiliary that is mounted in a vehicle is calculated. A stop time ratio of the vehicle is calculated based on a running history of the vehicle, and an estimated stop time of the vehicle that is estimated based on the stop time ratio is calculated. An SOC threshold is set based on an estimated consumption current amount that is obtained from the estimated stop time and the auxiliary current amount. A generator that is mounted in the vehicle is operated such that a value of a storage state of the battery recovers to become larger than the SOC threshold when the value of the storage state of the battery is smaller than the SOC threshold.


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