Flapping hinge for a fan blade
US11713687B1 · kind B1 · utility
0Cited by
11References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 17, 2022 |
| Grant date | Aug 1, 2023 |
| Priority date | — |
| Expiry date | Mar 17, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An engine defining a longitudinal axis includes: a turbomachine; a fan drivingly coupled with the turbomachine, the fan being a forward thrust fan and having: a hub; a plurality of fan blades, the plurality of fan blades comprising a first fan blade; and a flapping hinge integrated into the first fan blade or coupled to the fan blade, at least a portion of the first fan blade moveable about the flapping hinge to define a variable angle with the longitudinal axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.