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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.:

US 9840161 B1

PDFFull Text
Date of Patent:
Dec. 12, 2017

Filed:

Mar. 10, 2016

Circuit and method for detection of battery cell degradation events

Applicant:

Ford Global Technologies, Llc, Dearborn, MI (US);

Inventors:

Satish B. Chikkannanavar, Canton, MI (US);

Joseph F. Freiman, Walled Lake, MI (US);

Yonghua Li, Ann Arbor, MI (US);

Benjamin A. Tabatowski-Bush, South Lyon, MI (US);

Assignee:

Ford Global Technologies, LLC, Dearborn, MI (US);

Attorneys:

David B. Kelley

Brooks Kushman P.C.

Primary Examiner:

Vuthe Siek

Int. Cl.
CPC ...
H02J 7/00 (2006.01); B60L 11/18 (2006.01);
U.S. Cl.
CPC ...
B60L 11/1861 (2013.01); H02J 7/0029 (2013.01); H02J 7/0047 (2013.01); H02J 2007/0037 (2013.01); H02J 2007/0049 (2013.01);
Abstract

A battery management system for a vehicle includes a controller configured to, in response to a rate of change of voltage during discharge of a battery cell exceeding a first threshold more than a predetermined number of times over a predefined duration, output an error signal, and in response to the rate of change exceeding a second threshold greater than the first, output the error signal.

Find Patent Forward Citations

Chikkannanavar, Satish. (2017). Circuit and method for detection of battery cell degradation events (U.S. Patent No. 9840161). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9840161

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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