Gas turbine engine with fan-tied inducer section and multiple low pressure turbine sections
US8915700B2 · kind B2 · utility
26Cited by
9References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 29, 2012 |
| Grant date | Dec 23, 2014 |
| Priority date | — |
| Expiry date | Jul 6, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/40311
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A gas turbine engine includes a first shaft defining an axis of rotation and a second shaft rotatable about the axis of rotation and spaced radially outwardly relative to the first shaft. A speed change mechanism is driven by the second shaft. A fan includes a fan rotor driven by the speed change mechanism such that the fan and the first shaft rotate at a slower speed than the second shaft. At least one inducer stage is positioned aft of the fan and is coupled for rotation with the fan rotor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.