Small piezoelectric air pumps with unobstructed airflow
US7417359B2 · kind B2 · utility
2Cited by
39References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2007 |
| Grant date | Aug 26, 2008 |
| Priority date | — |
| Expiry date | Mar 19, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10N30/208
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A T-shaped blade, or one or more hollow tubes, are vibrationally excited by one or more piezoelectric elements to generate an airflow from a free end of the blade or tube(s). The airflow may be directed to, or drawn away from, an electronic component to cool the electronic component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.