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.:
Date of Patent:
Sep. 10, 2024
Filed:
Nov. 08, 2019
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/342 (2021.01); B60L 3/00 (2019.01); B60L 58/26 (2019.01); B60Q 9/00 (2006.01); H01M 10/48 (2006.01); H01M 10/613 (2014.01); H01M 10/625 (2014.01); H01M 10/633 (2014.01); H01M 10/6552 (2014.01); H01M 10/6563 (2014.01); H01M 10/6568 (2014.01); H01M 10/663 (2014.01);
U.S. Cl.
CPC ...
H01M 50/342 (2021.01); B60L 3/0046 (2013.01); B60L 58/26 (2019.02); B60Q 9/00 (2013.01); H01M 10/48 (2013.01); H01M 10/613 (2015.04); H01M 10/625 (2015.04); H01M 10/633 (2015.04); H01M 10/6552 (2015.04); H01M 10/6563 (2015.04); H01M 10/6568 (2015.04); H01M 10/663 (2015.04); H01M 2220/20 (2013.01);
Abstract
Battery pack () having a substantially sealed structure includes a plurality of cells (-) each having an opened portion provided in order to discharge an internal gas when an internal pressure rises. Non-resettable pressure switch () that is connected to controller () by a signal line. The pressure switch changes irreversibly from a significant state to a non-significant state when a pressure in battery pack () is greater than a predetermined pressure threshold value.