A propulsion device including an unducted upstream propeller and a counter-rotating and coaxial downstream propeller. At least one blade of the upstream propeller is configured to generate a corotating secondary vortex for acting upstream of the downstream propeller to destabilize a blade tip vortex of the same at least one blade.
DISPOSITIF DE PROPULSION A HELICES CONTRAROTATIVES ET COAXIALES NON-CARENEES
PROPULSION DEVICE HAVING UNDUCTED COUNTER-ROTATING AND COAXIAL ROTORS
ANTRIEBSVORRICHTUNG MT UNGEFÜHRTEN GEGENDREHUNGS- UND KOAXIALROTOREN
2016-09-14
Patent
Elektronische Ressource
Französisch
IPC: | B64C AEROPLANES , Flugzeuge |
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