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:
May. 06, 2025
Filed:
Dec. 09, 2019
Sanyo Electric Co., Ltd., Osaka, JP;
Takeaki Wakabayashi, Hyogo, JP;
Kensaku Takeda, Tokushima, JP;
PANASONIC ENERGY CO., LTD., Osaka, JP;
Abstract
A battery pack includes battery cell including a discharge valve opened when an internal pressure exceeds a set pressure, and case housing battery cell. Exhaust duct through which a discharge gas is discharged from the discharge valve to an outside of the case is disposed in the case, a discharge side of exhaust duct is opened to the outside of the case, and an inflow side of the exhaust duct is opened to an inside of the case, a diffusion space of the discharge gas is provided inside case, the discharge valve ejects the discharge gas into the diffusion space, and the discharge gas of the diffusion space is discharged to the outside of the case via exhaust duct.