Aeronautical propulsion device for an aircraft provided with aerofoils for cruise flight, the propulsion device comprising at least two propellers (1, 2) coaxial to one another, comprising a first propeller (1) and a second propeller (2). The device includes a cylindrical duct (3) comprising a fixed part (30) and a rotating part (31), wherein said first propeller (1) consists of said rotating part (31) and a plurality of blades (10) arranged externally on said rotating part (30) and said second propeller (2) is intubed inside said cylindrical duct (3). The first propeller is driven by a first electric motor and the second propeller is driven by a second electric motor.
AERONAUTICAL PROPULSION DEVICE
AERONAUTISCHE ANTRIEBSVORRICHTUNG
DISPOSITIF DE PROPULSION AÉRONAUTIQUE
2024-03-13
Patent
Elektronische Ressource
Englisch
IPC: | B64C AEROPLANES , Flugzeuge |
NTRS | 1975
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