The invention is related to a rotorcraft 1 with at least one main rotor 1a and at least one counter-torque rotor 11a, comprising: at least one duct-type portion 10 provided with a shroud 3 that defines at least one transverse duct 6, said at least one counter-torque rotor 11a comprising a plurality of counter-torque rotor blades 13 and being rotatably arranged within said at least one transverse duct 6, and a drive shaft fairing 14 that is fixedly supported within said at least one transverse duct 6 and that rotatably supports said at least one counter-torque rotor 11a, said drive shaft fairing 14 comprising a leading edge facing said at least one counter-torque rotor 11a, said leading edge being at least partially equipped with associated acoustical damping means.
ROTORCRAFT WITH AT LEAST ONE MAIN ROTOR AND AT LEAST ONE COUNTER-TORQUE ROTOR
DREHFLÜGLER MIT MINDESTENS EINEM HAUPTROTOR UND MINDESTENS EINEM ROTOR ZUM DREHMOMENTAUSGLEICH
GIRAVION AVEC AU MOINS UN ROTOR PRINCIPAL ET AU MOINS UN ROTOR ANTI-COUPLE
2015-09-02
Patent
Electronic Resource
English
IPC: | B64C AEROPLANES , Flugzeuge |
Rotorcraft with at least one main rotor and at least one counter-torque rotor
European Patent Office | 2019
|Rotorcraft with at least one main rotor and at least one counter-torque rotor
European Patent Office | 2015
|ROTORCRAFT WITH AT LEAST ONE MAIN ROTOR AND AT LEAST ONE COUNTER-TORQUE ROTOR
European Patent Office | 2015
|