A ducted fan module with variable-pitch blades for a turbo engine includes a rotor carrying a plurality of blades, a stationary casing, and a blade pitch changing and control system. The rotor includes a central shaft and a surrounding blade support ring. A front end of the blade support ring is connected to a front end of the central shaft, creating a rearward-opening annular space between the blade support ring and the central shaft. A tubular part is connected to the stationary casing and extends into the annular space.
Fan module with variable-pitch blades for a turbo engine
2021-06-30
Patent
Electronic Resource
English
Fan module with variable-pitch blades for a turbine engine
European Patent Office | 2022
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