Relighting a turbofan engine
US9359956B2 · kind B2 · utility
27Cited by
15References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 1, 2014 |
| Grant date | Jun 7, 2016 |
| Priority date | — |
| Expiry date | Mar 1, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02C7/32
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The method and apparatus for in-flight relighting of a turbofan engine involve in one aspect selectively controlling an accessory drag load on one or more windmilling rotors to permit control of the windmill speed to an optimum value for relight conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.