Negative hinge offset rotor head for a helicopter
US11541994B2 · kind B2 · utility
4Cited by
5References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 7, 2020 |
| Grant date | Jan 3, 2023 |
| Priority date | — |
| Expiry date | Sep 3, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C27/48
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A negative hinge offset rotor head for a coaxial helicopter, the rotor head having two or more flapping rotor blades having outer and inner tips, the inner tips rotatably attached to a hinge attachment rotated by a driveshaft where the driveshaft is positioned between the rotor blades and the rotor blades' respective hinge attachment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.