Device for damping the drag of the blades of a rotor
US5636970A · kind A · utility
12Cited by
6References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 9, 1996 |
| Grant date | Jun 10, 1997 |
| Priority date | — |
| Expiry date | May 9, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C27/51
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The device comprises, between two blades and their members linking them to the hub, three levers articulated by ball joints to the members and to the hub, the two levers pivoting on the third one about axes of pivoting parallel to each other and perpendicular to the common plane passing through the centres of the ball joints. At least one of the levers comprises at least one drag damper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.