| 摘要 |
A vibration damper includes a crankshaft drive sprocket, a bearing, a friction module, and at least one bumper. The bearing is seated directly upon the crankshaft of the engine and receives the vibrations of the crankshaft. Bosses of the bearing are received within the well of the drive sprocket. Specifically, the bosses are seated within gaps formed within the well by bumpers, which are also seated within the well. The gear is seated upon the raised collar of the bearing and held in secure contact with the bearing by a wave spring. A friction ring is located between the bearing and the drive sprocket. The friction ring dampens the vibrations transferred between the bearing and the drive sprocket.
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