Propfan engine
US8967967B2 · kind B2 · utility
33Cited by
7References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 26, 2012 |
| Grant date | Mar 3, 2015 |
| Priority date | — |
| Expiry date | Sep 10, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The present disclosure relates to a propfan engine comprising: one or more rotor stages comprising a plurality of rotors; and an outer wall comprising an outer profile, at least a portion of the outer profile defining a substantially circular cross-section, wherein the diameter of the substantially circular cross-section increases in the direction of flow over the outer wall and downstream of a leading edge of the rotors, and the diameter increases at substantially all points defining the circumference of the substantially circular cross-section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.