Engine systems and methods
US11649834B2 · kind B2 · utility
1Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 24, 2022 |
| Grant date | May 16, 2023 |
| Priority date | — |
| Expiry date | Jan 24, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/96
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Disclosed examples include a retrofit fan frame assembly, comprising: a leading edge adjustment component coupleable to an airfoil, the leading edge adjustment component of variable chord length, the variable chord length to increase and then decrease along a radial length from a hub end of the airfoil to an opposite tip end of the airfoil; and an attachment mechanism configured to couple the leading edge adjustment component to a leading edge of the airfoil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.