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:
Feb. 15, 2022
Filed:
Dec. 17, 2018
Gs Yuasa International Ltd., Kyoto, JP;
Takashi Akimoto, Kyoto, JP;
GS Yuasa International Ltd., Kyoto, JP;
Abstract
A lead-acid battery () is provided with a lid (). An external flow passage () communicating with a communication chamber () through a vent hole () and communicating with a discharge port () of a lid () is formed inside the lid (). A compartment fence () continuously extending over the entire width of the external flow passage () is formed in the external flow passage (). A residual volume is larger than the volume of the communication chamber (), the residual volume being obtained by subtracting, from the total volume of a plurality of external spaces () divided by the compartment fence (), the volume of the discharge-side external space () closest to the discharge port among the plurality of external spaces.