Fast hybrid helicopter with long range and an optimized lift rotor
US8113460B2 · kind B2 · utility
26Cited by
12References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 25, 2008 |
| Grant date | Feb 14, 2012 |
| Priority date | — |
| Expiry date | Sep 1, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C2027/8281
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A hybrid helicopter (1) includes firstly an airframe provided with a fuselage (2) and a lift-producing surface (3), together with stabilizer surfaces (30, 35, 40), and secondly with a drive system including:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.