Bypass turbofan including a system for blocking the secondary flow including veils
US12060851B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2023 |
| Grant date | Aug 13, 2024 |
| Priority date | — |
| Expiry date | Sep 27, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/50
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A bypass turbofan with a nacelle delimiting a stream and including a cowl mobile in translation between an advanced position in which a window is open between the stream and the exterior, transmission systems, each of which includes at least one arm mobile in rotation between retracted and deployed positions across the stream, in which each transmission system is mobile in translation between advanced and retracted positions, for each arm, a flexible veil fastened to the arm and alternately occupying a folded or unfolded position, and, for each transmission system, an actuator configured to move the mobile cowl, the transmission system and each arm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.