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SECTOR OF A COMPRESSOR GUIDE VANES ASSEMBLY OR A SECTOR OF A TURBOMACHINE NOZZLE ASSEMBLY

  • US 20070297900A1
  • Filed: 06/15/2007
  • Published: 12/27/2007
  • Est. Priority Date: 06/23/2006
  • Status: Active Grant
First Claim
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1. A sector of a compressor guide vanes assembly or a sector of a turbomachine nozzle assembly comprising an inner ring sector, an outer ring sector and a multitude of blades connecting the inner ring sector to the outer ring sector, the outer ring sector or the inner ring sector comprising radial cuts situated between two consecutive blades in such a way as to split them into the same number of elementary sectors as there are blades, wherein:

  • housings are provided, secant to the radial cuts, damping inserts being positioned in said housings; and

    the inserts consist of at least one viscoelastic layer, each viscoelastic layer being sandwiched between two metal layers.

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