Unducted fan with variable-pitch blades for a turbine engine

摘要

A non-streamlined propeller including blades with a variable setting for a turbine engine, the blades of the propeller being rotatably mounted about the axes thereof in radial recesses of a rotor element, and each blade being supported by a plate held in a recess by a sectored ring, and including an inner portion mounted, by interlocking, in a groove of the plate, the ring sectors being inserted into the recess from the inside and locked by a nut screwed onto the plate.

主权项

1. An unducted fan comprising:
variable-pitch blades for a turbine engine, the blades of the fan being rotatably mounted about axes thereof in radial recesses of an annular rotor element and each blade being supported by a plate with a cylindrical body that is inserted from an outside into a radial recess of the rotor element and that is held in the recess by an annular ring mounted from an inside in the recess and applied on an inner edge of the recess by a bearing, wherein the ring is sectorized and comprises a radially inner portion inserted via interlocking of the ring sectors into an annular groove of an outer surface of the body of the plate.