Apparatus, system, and method for pitching and twisting a blade of a rotorcraft
US9487291B2 · kind B2 · utility
3Cited by
13References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2012 |
| Grant date | Nov 8, 2016 |
| Priority date | — |
| Expiry date | Sep 9, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/30
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for moving a blade of a rotorcraft. The method comprises operating the rotorcraft and applying a torque to an elongate member connected to a tip portion of the blade during operation of the rotorcraft using a tip actuation mechanism that is external to the blade and associated with the elongate member such that the tip portion of the blade rotates about an axis through the blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.