| 摘要 |
A chainwheel (1) of a control mechanism of an internal combustion engine, said chainwheel being formed in one part or a plurality of parts from at least one hub (1a), a toothed rim (1c) and a wall (1a) connecting the hub (1a) to the toothed rim (1c), provided with at least one means for the damping of vibrations and noises which consists of a noise-damping material.
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