An array of discrete sound absorbers (20a, 20b) is attached to an inner surface (122) of an annular tread portion (12) of a pneumatic tire (10) or an annular rim surface (34) of a wheel rim (30) to reduce tire cavity noise. Each sound absorber (20a, 20b) includes a flexible sheet-like base material (54), a sheet-like screen material (52), and a sound absorbing material (56) disposed in a closed space formed by the sheet-like base material (54) and the sheet-like screen material (52).
DISCRETE SOUND ABSORBERS FOR TIRE CAVITY NOISE REDUCTION
DISKRETE SCHALLDÄMPFER ZUR REIFENHOHLRAUMGERÄUSCHREDUZIERUNG
AMORTISSEURS DE BRUIT DISCRETS POUR RÉDUCTION DE BRUIT DE CAVITÉ DE PNEU
15.11.2023
Patent
Elektronische Ressource
Englisch
DISCRETE SOUND ABSORBERS FOR TIRE CAVITY NOISE REDUCTION
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