Variable pitch fan for gas turbine engine and method of assembling the same
US10072510B2 · kind B2 · utility
10Cited by
320References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 2015 |
| Grant date | Sep 11, 2018 |
| Priority date | — |
| Expiry date | Oct 23, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/74
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A gas turbine engine is provided. The gas turbine engine includes a core and a variable pitch fan arranged in flow communication with the core. The variable pitch fan has a disk and at least nine fan blades coupled to the disk for rotation together with the disk. The gas turbine engine further includes a rotatable nacelle covering the disk such that the engine has a fan hub radius ratio of between about 0.1 and about 0.4.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.