This soundproof wheel includes a soundproofing device (3) which is mounted to an inner peripheral surface (6) of a rim section (5) of the wheel. The soundproofing device (3) is provided with: a fixing ring (10) which is fitted in and fixed to a groove (8) formed in the inner peripheral surface (6) of the rim section (5); an elastic body section (11) which is adhered to an outer peripheral surface (10a) of the fixing ring (10), is disposed within the groove (8), and has a plurality of elastic body pieces; and an additional mass section (12) which is adhered to an opposite side of the elastic body section (11) with respect to the fixing ring (10), is disposed within the groove (8), and has a plurality of additional mass pieces. The soundproofing device (3) includes a plurality of dynamic vibration absorbers. Each of the dynamic vibration absorbers has an elastic body piece and an additional mass piece. This soundproof wheel allows for reduction in wheel vibration noise and is highly durable.
SOUNDPROOF WHEEL FOR RAILWAY VEHICLE
SCHALLGEDÄMPFTES RAD FÜR EIN SCHIENENFAHRZEUG
ROUE INSONORISÉE POUR VÉHICULE DE CHEMINS DE FER
2018-03-14
Patent
Electronic Resource
English
IPC: | B60B VEHICLE WHEELS , Räder für Fahrzeuge |