Rotor assembly for a rotorcraft
US9145205B2 · kind B2 · utility
1Cited by
30References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 2010 |
| Grant date | Sep 29, 2015 |
| Priority date | — |
| Expiry date | Nov 9, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C27/59
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A rotor assembly (5) for a rotorcraft, such as a helicopter, includes rotors (7) rotatable about a hub (17). The assembly (5) is operable to vary the angular speed of the rotors (7) about the hub (17), relative to one another. The assembly (5) may include a drive operable to drive each of the rotors (7) at a different radial distance from the hub.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.