Aircraft Propulsion Assembly Comprising A Propulsion Power Transmission System With The Capacity To Decouple Two Rotating Elements Actuated From The Inside Of One Of The Rotating Elements

Abstract: A system (2) for the transmission of propulsion power of a propulsion assembly (1) for an aircraft comprises means (12) for coupling a first rotating element (4) with a second rotating element (8), and an actuator (10) for moving the second rotating element (8) axially between a coupling position in which the coupling means (12) are engaged with one another, and a disengaging position in which the coupling means (12) are disengaged from one another. The actuator (10) comprises an actuating member (40) extending in a bore (8A) of the second rotating element (8) and cooperating with a drive device (42). A rolling bearing (44) is interposed between the actuating member (40) and an inner surface (8B) of the second rotating element (8) so as to secure the actuating member (40) and the second rotating element (8) to one another axially while allowing the second rotating element (8) to rotate freely relative to the actuating member (40). The rotor is kinematically connected to the rotor of an electric machine configured to receive propulsion power from the first rotating element (4).

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