TRANSMISSION DEVICE FOR SPLITTING TORQUE BETWEEN TWO COAXIAL GEARS, IN PARTICULAR FOR A PLANETARY GEARING FOR AERONAUTIC APPLICATIONS, AND METHOD FOR MANUFACTURING AND ASSEMBLING SAID TRANSMISSION DEVICE

摘要

A transmission device (34) for splitting torque between two coaxial gears (14,15), in particular for a planetary gearing (1) for aeronautic applications, has a motion input member (3) and two transmission members (36,37), which are coaxial and have respective shafts provided with gears at an axial end and respective external flanges, at the opposite axial end; the two flanges are axially facing and placed abutting against each other, and are fixed to the motion input member (3) so as to split the torque transmitted from the motion input member (3) between the two flanges; one of the two shafts (39) is axially hollow and houses, with radial clearance, an intermediate portion of the other shaft (38); the latter is formed by at least two pieces (58,59) which are coaxial and fixed to each other.