| 摘要 |
The present invention has a guide preventing radial vibration of a high-pressure pump sprocket engaged with a timing chain to transmit rotational power to from the timing chain to a high-pressure pump driving shaft and a guide formed on a timing chain cover to interact with the guide, in order to provide a noise reducing device for a timing chain of a diesel engine that can improve engagement between the high-pressure pump sprocket and the timing chain and effectively reduce operational noise generated in driving the timing chain, by appropriately supporting the high-pressure pump sprocket integrally rotatably fitted on the high-pressure pump driving shaft radially against the timing chain cover to prevent bending vibration of the high-pressure pump driving shaft.
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