Turbofan arrangement
US7770377B2 · kind B2 · utility
47Cited by
13References
30Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 3, 2006 |
| Grant date | Aug 10, 2010 |
| Priority date | — |
| Expiry date | Feb 27, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2250/314
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A bypass turbofan engine comprises a first propulsion system and a second propulsion system. The first propulsion system comprises a first fan rotor, a core engine, a first low pressure turbine and a first fan shaft drivingly connecting the first turbine and the first fan rotor. The second propulsion system comprises a second fan shaft drivingly connecting to a second fan rotor and the first propulsion system and arranged so that the first and second shafts are not coaxial with one another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.