Method and a rotary wing aircraft having three engines
US9387934B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 20, 2013 |
| Grant date | Jul 12, 2016 |
| Priority date | — |
| Expiry date | Nov 11, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64D31/06
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An aircraft (1) having a rotary wing (2) and at least one main gearbox (5) for driving rotation of said rotary wing (2), said aircraft (1) having a first main engine (11) and a second main engine (12) driving said main gearbox (5), said aircraft (1) being provided with a main regulation system (15) regulating the first main engine (11) and the second main engine (12) in application of a setpoint that is variable. A secondary engine (21) is also capable of driving said main gearbox (5), said aircraft (1) having a secondary regulation system (25) that regulates the secondary engine (21) in application of a setpoint that is constant and that is independent of said main regulation system (15).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.