Battery pack and power tool using the same
US6692864B1 · kind B1 · utility
29Cited by
4References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 2001 |
| Grant date | Feb 17, 2004 |
| Priority date | — |
| Expiry date | Jun 4, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A battery pack suppresses temperature rise of secondary battery during charging and discharging. The battery pack includes a plurality of batteries stacked up, a case enclosing the plurality of batteries, a heat collector disposed near the battery positioned in the center of the plurality of batteries, a heat radiator placed at one side of the case, and a first heat transfer unit placed for connecting the heat collector and heat radiator. Further, the battery pack includes a heat transfer plate placed at the other side of the case, and a second heat transfer unit placed between the heat collector and heat transfer plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.