A method of mounting a metal blade root 100 to a composite propeller blade body 120, comprising inserting a connection portion 122 of the blade body 120 into a bore 104 formed in the blade root, wherein the connection portion comprises at least one depression 126, 128, 130 formed in an outer surface thereof, and applying pressure to the outer surface of the blade root 100 to cause it to deform and engage with the depressions 126, 128, 130, thereby mechanically coupling the blade root 100 to the propeller blade body 120.
PROPELLER BLADE ROOT COUPLING
PROPELLERBLATTFUSSKUPPLUNG
COUPLAGE DE PIED DE PALE D'HÉLICE
22.04.2020
Patent
Elektronische Ressource
Englisch
IPC: | B64C AEROPLANES , Flugzeuge |
Propeller blade or airfoil with hollow composite root
Europäisches Patentamt | 2024
|