Piezoelectric energy harvester and method
US6407484B1 · kind B1 · utility
77Cited by
12References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2000 |
| Grant date | Jun 18, 2002 |
| Priority date | — |
| Expiry date | Nov 30, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02N2/186
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A self contained device for harvesting electrical energy from linear and rotary motion has a sensor with amplifiers for tensile stretching of a piezoelectric body with magnification of the applied force. The piezoelectric body is a monolithic plate with surface electrodes covering its top and bottom surfaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.