Fan blade damping device
US10301948B2 · kind B2 · utility
4Cited by
8References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 16, 2013 |
| Grant date | May 28, 2019 |
| Priority date | — |
| Expiry date | May 11, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An airfoil for a gas turbine engine and method of manufacture of the airfoil are disclosed. The airfoil may comprise a first side extending axially from a leading edge to a trailing edge and extending radially from a base to a tip, a second side opposite to the first side, a pocket disposed in the first side, a filler disposed in the pocket, and a preloaded spring disposed within the filler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.