Assistance device for a free-turbine engine of an aircraft having at least two free-turbine engines
US10151246B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2015 |
| Grant date | Dec 11, 2018 |
| Priority date | — |
| Expiry date | Mar 26, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An assistance device for a free-turbine engine of an aircraft having at least two free-turbine engines, the device including an electrical starter machine for providing prolonged assistance to the gas generator of a first engine using energy produced by an electric generator machine driven by the second engine, the device further including at least one electricity storage member electrically connected to the electrical starter machine for providing a burst of assistance to the gas generator, wherein the electrical starter machine is powered by a first power converter enabling it to exchange energy with the storage member for providing the burst of assistance, and that transmits thereto the energy supplied by a second power converter for the prolonged assistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.