Patent ID: 11891915
Assignee: HAMILTON SUNDSTRAND CORPORATION
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A rotor for a rotary machine comprising:
a hub centered on a central axis, the hub comprising:
a shaft portion extending along the central axis;
a disk portion circumferentially disposed about the shaft portion;
a platform portion as a radially outermost extent of the shaft portion and the disk portion; and
a branched support structure extending radially inward from the platform portion; and

a plurality of blades extending outward from the platform portion of the hub;
wherein the branched support structure comprises a hub region and a blade support region associated with one blade of the plurality of blades;
wherein the blade support region comprises a plurality of branching sections, each branching section comprising:
a primary branch disposed in a radially outermost location; and
a plurality of secondary branches diverging from the primary branch at a first branching region and extending radially inwardly therefrom;
wherein for each branching section, the primary branch has a first thickness greater than a second thickness of each of the secondary branches.