propeller hub with reinforced polygonal ring and turbomachine equipped with such hub

摘要

propeller hub with reinforced polygonal ring and turbomachine equipped with such hub. the polygonal ring (17) for the propeller blade support consists of two annular end flanks (20, 21) spaced parallel to each other and between which are diametrically interconnected by anchor zones (30), rings ( 23) with radial cylindrical housings (24), evenly distributed for receiving said blades, and separated by through recesses (33). according to the invention, said polygonal ring (17) further comprises reinforcing elements (26) disposed in said through recesses (33) and connected to said corresponding rings (23).