Device and process for reducing the vibration generated on the structure of a rotary-wing aircraft, particularly a helicopter
US6311924A · kind A · utility
14Cited by
18References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 28, 1999 |
| Grant date | Nov 6, 2001 |
| Priority date | — |
| Expiry date | Sep 28, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C27/008
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a device and to a process for reducing the vibration generated on the structure of a rotary-wing aircraft, particularly a helicopter, which comprises at least one main rotor providing lift and forward drive. According to the invention, said device comprises adjusting means (M1) for adjusting the second mode of flapping of each of the blades (2) of said main rotor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.