| 摘要 |
An elastomer torsional vibration damper having a hub of low mass. The hub is preferably formed of a rigid plastic such as a phenol-formaldehyde, or of glass filled nylon. According to the invention, the hub is formed of a material having a minimum specific volume of 12 cubic inches per pound to thereby reduce the parasitic inertia of the torsional vibration damper.
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