A shroud for an aircraft configured to at least partially surround a noise source including a propeller. The shroud includes an outer layer and two or more sound absorbing materials located inside the shroud. The outer layer is configured to transmit noise from the noise source into the inside of the shroud and/or includes a recess located and sized to partially surround at least a part of a tip of at least one blade
Shroud
2020-02-20
Patent
Electronic Resource
English
IPC: | B64C AEROPLANES , Flugzeuge |