TORSIONAL VIBRATION DAMPER WITH A ROTATIONAL AXIS FOR A POWERTRAIN

摘要

The invention relates to a torsional vibration damper (1) with a rotational axis (2) for a powertrain, having at least the following components: - an input side (4); - an output side (5); - one or more intermediate elements (6, 7, 8) which are connected between the input side (4) and the output side (5) so as to transmit a torque; - a first rolling body (9) and a second rolling body (10) for each intermediate element (6, 7, 8), wherein the at least one intermediate element (6, 7, 8) has a respective transmission path (11, 12) for rolling the rolling body (9, 10), and the input side (4) and the output side (5) have a counter path (13, 14) which complements the respective transmission path (11, 12); and - a number of energy storage elements (15, 16, 17) which corresponds to the number of intermediate elements and by means of which each intermediate element (6, 7, 8) paired with the respective energy storage element (15, 16, 17) is supported so as to be able to vibrate. The torsional vibration damper (1) is primarily characterized in that the energy storage element (15, 16, 17) is arranged such that a vector component (18) acts in the circumferential direction (19) and/or for each intermediate element (6, 7, 8), solely the first rolling body (9) and the second rolling body (10) are provided as the rolling bodies. The torsional vibration damper proposed here allows an inexpensive and efficient influence on the natural frequency to be achieved using few components.