Battery backup sump pump systems and methods
US9885360B2 · kind B2 · utility
7Cited by
745References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2012 |
| Grant date | Feb 6, 2018 |
| Priority date | — |
| Expiry date | Oct 19, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D15/0066
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Embodiments of the invention provide battery backup sump pump (BBU) systems and methods. The BBU systems and methods can be used with a battery and an alternating current power source to charge the battery. The BBU systems and methods can be adapted to be a portable power source for AC and DC external devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.