COMPLEX BLADE OF AXIAL TURBO-MACHINE Russian patent published in 2011 - IPC F01D5/14 

FIELD: machine building.

SUBSTANCE: complex blade of axial turbo-machine consists of metal shank end, of radial metal rod tightly connected with shank end, of band flange secured on periphery end of radial rod, of deflector and of profiled hollow case, freely arranged outside radial rod and resting on band flange at their radial transfer along radial rod. The profiled case in its length is complex and consists of at least two not interconnected portions freely arranged on the radial rod outside a deflector between the shank end and the band flange, whereon an upper part of the profiled case rests. All portions of the profiled case are made out of heat resistant ceramic or composite materials.

EFFECT: raised reliability of blade.

2 cl, 1 dwg