Rotating electric distributed anti-torque fin
US11279477B2 · kind B2 · utility
1Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2019 |
| Grant date | Mar 22, 2022 |
| Priority date | — |
| Expiry date | Dec 18, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C2027/8272
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An exemplary anti-torque system for a helicopter includes two or more electric fans rotatably mounted on a tail boom, the two or more electric fans rotatable about a longitudinal axis of the tail boom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.