Sealed lead-acid cells and batteries having internal and external restraint for accommodating plate growth
USRE37804E1 · kind E1 · reissue
18Cited by
18References
67Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 1, 2000 |
| Grant date | Jul 23, 2002 |
| Priority date | — |
| Expiry date | Mar 1, 2020 |
Classification
- Technology area (CPC —)General
Abstract
Sealed lead-acid cells are disclosed which include an internal cell restraint contacting the interior surface of the cover and positioned between the positive plates and the cover, the internal cell restraint cooperates with an external cell restraint, such as a coated metal face plate, to direct positive plate growth which occurs in service away from the cover, the features disclosed allowing plastic-to-plastic terminal post-cover seals to be used and allow cells of capacities of up to 2,000 Ampere Hours or more to be provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.