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. 20, 2024

Filed:

Jun. 13, 2022
Applicant:

Gs Yuasa International Ltd., Kyoto, JP;

Inventors:

Toshiki Kusunoki, Kyoto, JP;

Osamu Ushijima, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/30 (2021.01); H01M 50/35 (2021.01); H01M 50/317 (2021.01); H01M 10/0525 (2010.01); H01M 10/42 (2006.01); H01M 50/367 (2021.01);
U.S. Cl.
CPC ...
H01M 50/394 (2021.01); H01M 50/317 (2021.01); H01M 10/0525 (2013.01); H01M 10/425 (2013.01); H01M 50/367 (2021.01); H01M 2220/20 (2013.01); Y02E 60/10 (2013.01);
Abstract

An energy storage apparatus includes one or more energy storage devices and an outer housing that houses the one or more energy storage devices. The outer housing includes an opening that allows communication between an interior and an exterior of the outer housing. The opening is sealed by a first pressure adjuster and a second pressure adjuster arranged complementary to each other. The first pressure adjuster allows passage of gas and prohibits passage of liquid. The second pressure adjuster prohibits passage of the gas and the liquid, and releases an internal pressure in the interior of the outer housing when the internal pressure exceeds a predetermined pressure.


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