| 摘要 |
A torsional vibration damper (10) is provided which comprises a primary mass (11), a secondary mass (13), and a damping unit (33). The primary mass (11) defines a ring-shaped chamber (25), and the ring-shaped chamber is divided into at least two portions. The secondary mass is rotatably connected to the primary mass. The damping unit couples the primary and secondary masses to each other in a rotationally elastic manner. The damping unit (10) comprises a plurality of elastic members (35,37,39,41), a pair of end guides (49,51), and a friction member (43) disposed between the elastic members.
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