This soundproof wheel includes a soundproof device (3) which is mounted to the inner peripheral surface (6) of the rim (5) of the wheel. The soundproof device (3) is provided with: a stationary ring (10) which is fitted in and affixed to a groove (8) formed in the inner peripheral surface (6) of the rim (5); an elastic body section (11) which is secured to the outer peripheral surface (10a) of the stationary ring (10), is installed within the groove (8), and has elastic body pieces; and an additional mass section (12) which is secured to the portion of the elastic body section (11) which is located opposite the stationary ring (10), is installed within the groove (8), and has additional mass pieces. The soundproof device (3) includes dynamic vibration absorbers. Each of the dynamic vibration absorbers has an elastic body piece and an additional mass piece. This soundproof wheel is capable of reducing vibratory noise of the wheel and is highly durable.
Soundproof wheel for railway vehicle
2015-11-25
Patent
Elektronische Ressource
Englisch
IPC: | B60B VEHICLE WHEELS , Räder für Fahrzeuge |