Battery pack including drainage system having floating body to close drainage hole
US9979006B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 19, 2012 |
| Grant date | May 22, 2018 |
| Priority date | — |
| Expiry date | Aug 24, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is a battery pack including a drainage system capable of efficiently discharging water collected inside the battery pack using buoyancy, preventing moisture permeation from the outside, and being implemented in a simple structure to maximize economical feasibility. The battery pack includes a battery pack case having a battery pack embedded therein and having a drainage hole formed in one side thereof; and a drainage system including a body provided to be concatenated with one side of the battery pack case of a position corresponding to the drainage hole and a floating body accommodated in the body and elevated by an introduced fluid to close the drainage hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.