Flutter inhibiting intake for gas turbine propulsion system
US10612464B2 · kind B2 · utility
1Cited by
34References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 2017 |
| Grant date | Apr 7, 2020 |
| Priority date | — |
| Expiry date | Sep 25, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Disclosed is a flutter damper including a first plurality of chambers configured for peak acoustical energy absorption at a frequency range that is associated with a first fan flutter mode, the first plurality of chambers in fluid communication with a flow surface, and a second plurality of chambers configured for peak acoustical energy absorption at a frequency range that is associated with a second fan flutter mode, the second plurality of chambers in fluid communication with the flow surface, and wherein the first plurality of chambers and second plurality of chambers are disposed in a grid pattern.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.