Thermoacoustic device
US8068626B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jul 2, 2009 |
| Grant date | Nov 29, 2011 |
| Priority date | — |
| Expiry date | Aug 19, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB06B1/02
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus, the apparatus includes an electromagnetic signal device; a medium; and a sound wave generator. The sound wave generator includes a carbon nanotube structure. The carbon nanotube structure includes one or more carbon nanotube films. Each carbon nanotube film includes a plurality of carbon nanotubes substantially parallel to each other and joined side by side via van der Waals attractive force. The electromagnetic signal device transmits an electromagnetic signal to the carbon nanotube structure. The carbon nanotube structure converts the electromagnetic signal into heat. The heat transfers to the medium causing a thermoacoustic effect.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.