Ducted fan assembly with a movable leading edge
US11338917B2 · kind B2 · utility
2Cited by
9References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2020 |
| Grant date | May 24, 2022 |
| Priority date | — |
| Expiry date | Oct 29, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/563
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In an embodiment, a ducted fan assembly includes a housing that further includes a rotor. The ducted fan assembly also includes a rim that defines an opening surrounding at least a portion of the housing. The ducted fan assembly also includes a movable leading edge that is attached to the rim and extends around at least a portion of a perimeter of the ducted fan assembly, where the movable leading edge is adjustable between at least a first position and a second position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.