Propulsion unit with foldable propeller blades and method for folding the blades
US12097947B2 · kind B2 · utility
0Cited by
13References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2021 |
| Grant date | Sep 24, 2024 |
| Priority date | — |
| Expiry date | Jul 11, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C29/0008
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A propulsion unit with a propeller includes a nacelle; a propeller rotatably mounted in the nacelle by means of a hub. The propeller has blades mounted in a blade cuff that is pivotable about a pitch axis relative to the hub. Each blade is pivotable relative to the cuff about a folding axis. A folding device includes an actuator for folding the blades. The folding device includes a control member rotationally affixed to the blade cuff and driven by the actuator. A connecting rod is pivotably mounted, on the one hand, on a root the associated blade and, on the other hand, on the movable control member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.