Double bypass turbofan
US7614210B2 · kind B2 · utility
34Cited by
39References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 2006 |
| Grant date | Nov 10, 2009 |
| Priority date | — |
| Expiry date | Mar 23, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A variable cycle turbofan engine includes first and second fans independently joined to respective turbines. A first bypass duct surrounds a core engine disposed in flow communication with the second fan. A second bypass duct surrounds the first bypass duct in flow communication with the first fan. A first exhaust nozzle is joined to both the core engine and first bypass duct. And, a second exhaust nozzle is joined to the second bypass duct.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.