UNDUCTED FAN FOR AN AIRCRAFT TURBINE ENGINE

Unducted fan for an aircraft turbine engine, comprising at least one propeller comprising a hub and an annular array of blades extending substantially radially outwards from said hub, the hub comprising an annular array of cowls which are mounted between the radially inner ends of the blades and sui...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ROGNANT Michel Pierre, JUSTE Sebastien Marcelino, LE PECHEUR Cyril Roger Yves, DERREZ Charles-Henri Michel Marie, FABRE Adrien Jacques Philippe
Format:	Patent
Sprache:	eng
Schlagworte:	AIRCRAFT ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT AVIATION COSMONAUTICS DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING ORREPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR EQUIPMENT FOR FITTING IN OR TO AIRCRAFT FLYING SUITS GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLYADAPTED FOR USE IN CONNECTION WITH AIRCRAFT HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFTCOMPONENTS, NOT OTHERWISE PROVIDED FOR PARACHUTES PERFORMING OPERATIONS TRANSPORTING
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Beschreibung
Zusammenfassung:	Unducted fan for an aircraft turbine engine, comprising at least one propeller comprising a hub and an annular array of blades extending substantially radially outwards from said hub, the hub comprising an annular array of cowls which are mounted between the radially inner ends of the blades and suitable for being fixed to an upstream collar and to a downstream collar of the hub, wherein at least one cowl comprises, at a circumferential end, at least one joint edge which is contiguous with a complementary joint edge of an adjacent cowl, and wherein said at least one cowl and at least one of said upstream and downstream collars are configured so that the cowl can be mounted and dismounted by a movement including, at least at the start thereof, a pivoting about an initial pivot axis which is circumferentially separated from said at least one joint edge in the direction of a centre of the cowl, and so that, during said pivoting, said at least one joint edge moves radially away from said complementary joint edge by moving towards the inside of said hub.