Device for locking a structure for securing a blade to the hub of a rotorcraft rotor
US7478995B2 · kind B2 · utility
5Cited by
4References
10Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 23, 2006 |
| Grant date | Jan 20, 2009 |
| Priority date | — |
| Expiry date | Sep 6, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K7/1166
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A device for locking a holding structure for securing a foldable blade of a rotorcraft rotor to the hub of the rotor. The holding structure is hinged in pitch and in drag relative to the hub and the rotor includes, for the purpose of folding the blade, elements for locking the blade-holding structure in pitch and in drag, which device is remarkable in that the associated drive elements includes brake elements preventing it from turning in flight, in particular under the effect of vibration from the rotor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.