B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
B60C 19/00 (2006.01) B60B 21/12 (2006.01)
Patent
CA 2444207
A device for attenuating noise generated in a rolling tire and wheel assembly includes strips arranged as a circumferential ring (40) in the tire/whell cavity. The strips are spaced circumferentially to provide a profile of ridges and gaps in the ring. The rings may (40) be placed on the interior surface of the tire or the wheel or both. Preferably, two rings are formed, and the gaps of ths rings are in staggered relationship about the circumferential direction.
L'invention concerne un dispositif permettant d'atténuer le bruit produit dans un ensemble de roue et pneu roulants. Ce dispositif comprend des bandes disposées sous forme d'un anneau circonférentiel (40) dans la cavité d'un pneu/d'une roue. Les bandes sont espacées au niveau de la circonférence, pour engendrer un profil de nervures et de trous dans l'anneau. Les anneaux (40) peuvent se trouver sur la surface interne du pneu ou de la roue. De préférence, on forme deux anneaux et on dispose les trous des anneaux dans un rapport empilé autour du sens circonférentiel.
Michelin Recherche Et Technique S.a.
Robic
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