Noise-absorbing device for railway vehicle wheel and associated railway vehicle wheel
AssigneesAlstom Transport Technologies, Hutchinson
InventorsJean-Yves Guerder, Olivier Tanneau, Benjamin Fays, Pierre-Emmanuel Gautheret, Yves Longueville
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Abstract
A noise-absorbing device for a railway vehicle wheel includes: at least one strip extending radially from a connecting end capable of being fastened to the periphery of the wheel, to a free end; and at least one damping mass fastened on a face of the free end of the strip, away from the connecting end. The strip includes at least two metal or composite layers and at least one layer of viscoelastic material gripped between the two or composite metal layers.
Claims11
A noise-absorbing device for a railway vehicle wheel, comprising:
- at least one strip extending radially from a connecting end capable of being fastened to the periphery of the wheel, to a free end,
- at least one damping mass fastened on a face of the free end of the strip, away from the connecting end,
- wherein the strip includes at least two metal or composite layers and at least one layer of viscoelastic material gripped between the two metal or composite layers.
Dependencies are inferred from the claim text.