Patent ID: 8147191

Claim:
A turbomachine stator forming a stator vane ring or upstream guide vane element comprising: a first inner ring; a second outer ring concentric with said first inner ring, said second outer ring having a cylindrical outer surface portion, an upstream attachment portion, and a downstream attachment portion, said upstream and downstream attachment portions being radially higher than said outer surface portion; and a plurality of vanes placed radially between said first inner ring and said second outer ring, wherein, on said outer surface portion, at least one vibration-damping laminate is attached, the laminate comprising at least one layer of viscoelastic material in contact with said surface portion and one outermost counterlayer of rigid material, and wherein said outermost counterlayer of rigid material includes a lateral extension with a first end which abuts one of said upstream or downstream attachment portions and a second end concentric with said outer surface portion.