Welding structure between electric storage device and bus bar and method for welding electric storage device and bus bar together
US9761855B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2014 |
| Grant date | Sep 12, 2017 |
| Priority date | — |
| Expiry date | Jan 18, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49108
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electric storage apparatus including a welding structure between an electric storage device and a bus bar includes the electric storage device including an external terminal that includes a first connection surface, the bus bar including a second connection surface that overlaps the first connection surface, a first weld portion that is formed extending over the external terminal and the bus bar in a region where the first connection surface and the second connection surface are opposed to each other, and a second weld portion that is formed extending over the external terminal and the bus bar in the region where the first connection surface and the second connection surface are opposed to each other, the second weld portion directly overlapping the first weld portion in a region where the first connection surface and the second connection surface overlap each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.