Convergent-divergent flap pair for a variable-geometry turbojet engine nozzle comprising cooling air circulation ducts connected through contact surfaces
US11713730B2 · kind B2 · utility
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Key dates
| Filing date | Aug 27, 2020 |
| Grant date | Aug 1, 2023 |
| Priority date | — |
| Expiry date | Aug 27, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In a convergent-divergent flap pair for a turbojet engine nozzle of the variable-geometry convergent-divergent type, the convergent flap and the divergent flap include respective cooling-air ducts connected to one another through air passage openings formed in respective contact surfaces of the convergent flap and of the divergent flap arranged facing one another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.