FIELD: machine building.
SUBSTANCE: invention relates to a turbine circular assembly comprising a plurality of annular sectors made of a ceramic matrix composite material, together with an annular support structure, wherein each annular sector has a portion forming an annular base with an inner surface defining an inner surface of the turbine wheel and an outer surface from which at least two projecting portions extend, wherein the annular support structure has at least two fastening protrusions, and extending radially projections of each annular sector grip the fastening ledges of the circular support structure at least along radially inner ends of said fastening protrusions.
EFFECT: disclosed is a turbine ring assembly comprising a plurality of annular sectors made of composite material with a ceramic matrix.
9 cl, 5 dwg
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