Flow driven piezoelectric energy harvesting device
US7808158B1 · kind B1 · utility
27Cited by
16References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2007 |
| Grant date | Oct 5, 2010 |
| Priority date | — |
| Expiry date | Sep 27, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10N30/306
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrical generator includes a fluid-flow driven impeller including at least one impact arm; and at least one cantilevered beam disposed such that the impact arm strikes the cantilevered beam as the impeller rotates. The cantilevered beam at least partially includes a piezoelectric film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.