Convertible helicopter ring member
US9067676B1 · kind B1 · utility
16Cited by
10References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2014 |
| Grant date | Jun 30, 2015 |
| Priority date | — |
| Expiry date | Jun 19, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C2027/8263
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A convertible helicopter ring member includes a ring member and a drive mechanism. The drive mechanism orients the ring member substantially in-plane with a tail rotor of a helicopter during a first mode of helicopter operation and orients the ring member substantially off-plane with the tail rotor of the helicopter during a second mode of helicopter operation that is different from the first mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.