Relighting a turbofan engine
US8875519B2 · kind B2 · utility
31Cited by
8References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 22, 2010 |
| Grant date | Nov 4, 2014 |
| Priority date | — |
| Expiry date | Aug 21, 2033 |
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.