TURBO MACHINE ROTOR Russian patent published in 2014 - IPC F01D5/02 F02C7/28 

FIELD: machine building.

SUBSTANCE: turbo machine rotor comprises turbine disc fitted on the shaft by its rear flange. Turbine disc is locked by nut with radial flange arranged at disc hub front side. Labyrinth and cellular flange are bolted to radial flange by radial rib. Said labyrinth is locked by axial ledge in circumferential direction relative to sleeve fitted in radial bore. Webs inclined to rotor axis are arranged between radial flange and nut threaded end to make ledges enlarged in circumferential direction. Ledges of the web form the equally spaced rectangular and radial slots between themselves.

EFFECT: better reparability, lower weight.

2 cl, 3 dwg