Patent ID: 7780398

Claim:
A bladed stator sector for a turbo-engine, comprising: platforms including an inner platform and an outer platform; and at least one blade fixed between said platforms, wherein at least one of said platforms comprises a first flange extending in a radial plane in relation to an axis of revolution of said stator sector, the first flange includes a first end of the first flange fixed to the at least one of said platforms and a second end of the first flange, opposite the first end of the first flange, which is free, and a second flange extending cylindrically in relation to the axis of revolution of said stator sector, the second flange includes a first end of the second flange fixed to the first flange and a second end of the second flange, opposite the first end of the second flange, which is free, and wherein at least one non-opening free flexibility-increasing cutout is disposed on a surface of the first flange and a surface of the second flange.