Vibration damper comprising a peg between outer platforms of adjacent composite-material blades of a turbine engine rotor wheel
US9194240B2 · kind B2 · utility
1Cited by
8References
12Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jan 11, 2011 |
| Grant date | Nov 24, 2015 |
| Priority date | — |
| Expiry date | Jan 1, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A vibration damper between outer platforms of adjacent composite-material blades of a turbine engine rotor wheel, the damper including a peg having a substantially spherical portion at each of its two ends, and two hollow inserts for being received in tangential cavities that are provided facing each other in outer platforms of two adjacent composite-material blades of a turbine engine rotor wheel, each spherical portion of the peg coming to bear with point contact against the inside of one of the inserts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.