Piezoelectric generator operated by fluid flow
US4005319A · kind A · utility
38Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 1975 |
| Grant date | Jan 25, 1977 |
| Priority date | — |
| Expiry date | Oct 1, 1995 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10N30/306
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrical generator for projectiles and the like comprises a piezoelectric element housed in a cavity through which air is forced by missile movement. A reed-like tongue in the cavity has one end captive, its other end near a ram air inlet that terminates in a nozzle outlet which is aligned with the tongue and is so configured as to enable the ram air to impart vigorous vibration to the tongue. The piezoelectric element has a vibration transmitting connection with the tongue, near the captive end of the latter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.