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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 12237481 B1

PDFFull Text
Date of Patent:
Feb. 25, 2025

Filed:

Nov. 07, 2019

Battery pack having a film thermistor and a dip thermistor

Applicant:

Makita Corporation, Anjo, JP;

Inventors:

Kohei Nakatani, Anjo, JP;

Kazuya Tanaka, Anjo, JP;

Hiroki Uesugi, Anjo, JP;

Assignee:

MAKITA CORPORATION, Anjo, JP;

Attorneys:

J-TEK LAW PLLC

Scott T. Wakeman

Jeffrey D. Tekanic

Primary Examiner:

Rexford N Barnie

Assistant Examiner:

Joseph N Inge

Int. Cl.
CPC ...
H01M 10/48 (2006.01); H01M 10/42 (2006.01); H01M 10/613 (2014.01); H01M 10/6235 (2014.01); H01M 10/643 (2014.01); H01M 10/6563 (2014.01); H01M 50/213 (2021.01); H01M 50/227 (2021.01); H01M 50/247 (2021.01); H01M 50/262 (2021.01); H01M 50/296 (2021.01);
U.S. Cl.
CPC ...
H01M 10/486 (2013.01); H01M 10/425 (2013.01); H01M 10/48 (2013.01); H01M 10/482 (2013.01); H01M 10/613 (2015.04); H01M 10/6235 (2015.04); H01M 10/643 (2015.04); H01M 50/213 (2021.01); H01M 50/247 (2021.01); H01M 10/6563 (2015.04); H01M 50/227 (2021.01); H01M 50/262 (2021.01); H01M 50/296 (2021.01); H01M 2220/30 (2013.01);
Abstract

A battery pack contains a plurality of battery cells that includes a first battery cell and a second battery cell; a first thermistor disposed closest to the first battery cell among the battery cells; a second thermistor disposed closest to the second battery cell among the battery cells. A case of the battery pack holds the battery cells, the first thermistor, and the second thermistor. The first battery cell is disposed such that at least one of the other battery cells is interposed between the first battery cell and a wall surface of the case in a direction orthogonal to a longitudinal direction of the first battery cell. The second battery cell is disposed such that none of the other battery cells is interposed between the second battery cell and the wall surface of the case in a direction orthogonal to a longitudinal direction of the second battery cell.

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