Passive mechanical rotor lock for small unmanned aircraft systems (UAS)
US11958593B2 · kind B2 · utility
0Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2021 |
| Grant date | Apr 16, 2024 |
| Priority date | — |
| Expiry date | Dec 3, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64U50/13
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A propeller assembly including a shaft having a rotational axis; a plurality of propellers connected to the shaft; means for deploying the plurality of propellers using a centrifugal force generated from a rotation of the shaft, so as to provide vertical thrust during a vertical take-off and landing of the aircraft; and means for restoring the propellers into a stowed configuration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.