FAN BLADES WITH CYCLIC SETTING

A fan portion of a dual flow turbojet engine including a plurality of fan blades, a disk supporting the blades and configured to be rotated relative to a stator portion of the fan, along a longitudinal axis of the fan, and a system for setting the angle of attack associated with each fan blade, the...

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Bibliographische Detailangaben
Hauptverfasser: BOUILLER, PHILIPPE, PIERRE, VINCENT, ROUSSELIN, STEPHANE
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A fan portion of a dual flow turbojet engine including a plurality of fan blades, a disk supporting the blades and configured to be rotated relative to a stator portion of the fan, along a longitudinal axis of the fan, and a system for setting the angle of attack associated with each fan blade, the systems configured such that the angle of attack of each blade varies according to a same setting law according to the angular position of the blade relative to the stator portion, along the longitudinal axis, the same setting law being periodic with a period of P=360°/n, where n is an integer at least equal to 1.