Flooded lead acid battery with roll-over capability
US6110617A · kind A · utility
51Cited by
8References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 17, 1998 |
| Grant date | Aug 29, 2000 |
| Priority date | — |
| Expiry date | Mar 17, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/219
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A flooded lead acid battery includes a casing enclosing a plurality of cells having liquid electrolyte therein and a cover incorporating negative and positive terminals and having a plurality of vent holes. The vent holes are covered by at least one closure having a vent cavity therein, and a relatively rigid porous polytetrofluorethylene disc having hydrophobic properties is sealed within the vent cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.