TORQUE FLUCTUATION ABSORBER

摘要

PROBLEM TO BE SOLVED: To provide a torque fluctuation absorber in which the lifetimes of a limiter portion and a hysteresis portion can be extended.

SOLUTION: The torque fluctuation absorber includes: a first annular member (10 or 18); a second annular member (13 or 23) arranged to be axially separated from the first annular member; an annular and dish-shaped disc spring (12 or 24) arranged between the first annular member and the second annular member; a first support portion (27 or 18b) arranged between the first annular member and the disc spring and being continuously in contact with the disc spring on a circle line passing through a predetermined radial portion; and a second support portion (28 or 23a) arranged between the second annular member and the disc spring and being continuously in contact with the disc spring on a circle line passing through a portion being radially different from the first support portion.

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