Acoustic damper
US7549290B2 · kind B2 · utility
18Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 27, 2005 |
| Grant date | Jun 23, 2009 |
| Priority date | — |
| Expiry date | Jul 7, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23R2900/00014
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A combustor wall of a gas turbine engine is provided with an acoustic damper component. The component has a first metering passage, a first damping chamber, a first damping passage, a second damping chamber and a second damping passage. Air flows through the damper to be ejected into the combustion chamber from the second damping passage at a selected velocity and volumetric flow. The flow being sufficient to damp instabilities from the combustion process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.