A radial control shaft for a device for controlling the pitch of fan blades of a turbine engine having an unducted fan, and a method of mounting such a shaft

A radial control shaft for a device for controlling the pitch of fan blades of a turbine engine having an unducted fan, and a method of mounting such a shaft

A radial control shaft 48 for a device for controlling the pitch of fan blades of a turbine engine having an unducted fan, the shaft comprising an external portion 52 that is designed to be mounted in the control device from its outside and to be coupled to at least one fan blade 26 in order to adju...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Olivier Belmonte, Thomas Julien Nguyen Van, Emmanuel Patsouris
Format: Patent
Sprache:eng
Schlagworte:
AEROPLANES
AIRCRAFT
AVIATION
COSMONAUTICS
HELICOPTERS
PERFORMING OPERATIONS
TRANSPORTING
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Beschreibung
Zusammenfassung:A radial control shaft 48 for a device for controlling the pitch of fan blades of a turbine engine having an unducted fan, the shaft comprising an external portion 52 that is designed to be mounted in the control device from its outside and to be coupled to at least one fan blade 26 in order to adjust its pitch, and an internal portion 50, independent of the external portion, that is designed to be mounted from the inside of the control device, to be connected to a load transfer bearing 40 in order to pivot the shaft about a radial axis Z-Z, and to close an oil enclosure in which said bearing is housed, the external and internal portions of the shaft being coupled to each other. The invention also relates to a method of mounting such a shaft and to a control device including such a shaft.