DC backup power supply system
US7495415B2 · kind B2 · utility
27Cited by
13References
22Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | May 17, 2005 |
| Grant date | Feb 24, 2009 |
| Priority date | — |
| Expiry date | May 17, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A DC backup power supply system having a battery a charge-discharge circuit for charging and discharging a power between the battery and a DC line and a control circuit for controlling the charge-discharge circuit, wherein the battery has a number of battery cells and cylindrical portions of the battery cells are laid on an approximately horizontal plane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.