FAN ROTOR FOR A TURBO MACHINE SUCH AS A MULTIPLE FLOW TURBOJET ENGINE DRIVEN BY A REDUCTION GEAR

摘要

A forward fan rotor is disclosed with a hub of axis of rotation (X) and a cone mounted on the hub of the fan. The cone comprises an air bleed orifice which opens into an air duct of which a forward end portion passes through the fan rotor, said forward end portion comprising mechanical air entrainment means. The air bleed orifice has an annular shape and in that the cone is divided by said orifice into a front vertex portion and a rear frustoconical portion. A turbomachine forward axial spool equipped with such a fan rotor is also disclosed.

主权项

1. Turbine engine fan rotor which is intended to be mounted so as to rotate about an axis of rotation (X), the rotor comprising:
a hub, and a cone which is mounted upstream of the hub; the cone comprising an air take-off opening which opens into an air channel, an upstream end portion of which comprises mechanical means for driving the air, wherein the air take-off opening has an annular shape which is coaxial to the axis of rotation (X) of the fan rotor, the cone being divided by the take-off opening into a front summit portion and a rear frustoconical portion.