Non-streamlined propeller having blades with variable...

Details Non-streamlined propeller having blades with variable... Non-streamlined propeller having blades with variable...

B - Operations, Transporting

64

C

B64C 11/06 (2006.01) F16C 35/073 (2006.01)

Patent

CA 2755653

The invention relates to a non-streamlined propeller having blades with a variable setting for a turbine engine, the blades of the propeller being rotatably mounted about the axes thereof in radial recesses (136) of a rotor element (124), and each blade being supported by a plate (144) held in a recess by a sectored ring (150), and including an inner portion (160) mounted, by interlocking, in a groove (162) of the plate, the ring sectors being inserted into the recess from the inside and locked by a nut (170) screwed onto the plate.

Hélice non carénée à pales à calage variable pour une turbomachine, les pales de l'hélice étant montées à rotation autour de leurs axes dans des logements radiaux (136) d'un élément de rotor (134) et chaque pale étant portée par une platine (144) retenue dans un logement par une couronne (150) sectorisée et comprenant une partie interne (160) montée par emboîtement dans une gorge (162) de la platine, les secteurs de couronne étant engagés dans le logement depuis l'intérieur et bloqués par un écrou (170) vissé sur la platine.

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