Rotary wing aircraft provided with propulsion means, and a method applied by said aircraft
US8967532B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 13, 2011 |
| Grant date | Mar 3, 2015 |
| Priority date | — |
| Expiry date | Nov 12, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64D35/04
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An aircraft (200) provided with a power plant (300) driving a rotary wing (60) and at least one propulsion means (7, 7′) possessing a propeller (6, 6′), said power plant (300) including at least one engine (1, 1′) having an outlet shaft (2, 2′) driving a drive train (400) in order to drive said rotary wing (60). The aircraft includes one coupling member (8, 8′) per engine (1, 1′) provided with a drive shaft (4, 4′) and with a first toothed wheel (13) that are coupled together by a clutch (15) and by a main controllable freewheel (25) arranged in parallel with the clutch, said drive shaft (4, 4′) driving at least one propulsion means (7, 7′) provided with brake means (9, 9′) for braking its propeller (6, 6′), said first toothed wheel (13) meshing with said drive train (400).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.