Fan rotor for a turbo machine such as a multiple flow turbojet engine driven by a reduction gear
US10082080B2 · kind B2 · utility
1Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2015 |
| Grant date | Sep 25, 2018 |
| Priority date | — |
| Expiry date | Sep 26, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A forward fan rotor is disclosed with a hub of axis of rotation (X) and a cone mounted on the hub of the fan. The cone comprises an air bleed orifice which opens into an air duct of which a forward end portion passes through the fan rotor, said forward end portion comprising mechanical air entrainment means. The air bleed orifice has an annular shape and in that the cone is divided by said orifice into a front vertex portion and a rear frustoconical portion.A turbomachine forward axial spool equipped with such a fan rotor is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.