A tyre has four circumferential grooves 10, 12, 14 and 16. Grooves 10 and 12 are on the vehicle installation inner side of the tyre, and grooves 14 and 16 are on the vehicle installation outer side of the tyre. Grooves 10 and 12 which are on the vehicle installation inner side each have a plurality of fences 30, 32 in the groove 10, 12 arranged alternately along the groove 10, 12 next to each side wall of the groove 10, 12. Grooves 14 and 16 do not have fences. The fences 30, 32 increase the path length of sound due to pipe resonance and delay the sound in comparison to grooves 14 and 16. This directs the sound towards the inner side of the tyre and reduces the noise on the outer side.
TYRE NOISE REDUCTION
REIFENGERÄUSCHREDUZIERUNG
RÉDUCTION DU BRUIT DE PNEUMATIQUES
2023-11-15
Patent
Electronic Resource
English
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |