Method for transmission and damping of torques

2016 
A method for transmitting and damping an average torque (Mm) with a superimposed alternating torque (Mw), in a torque transmission arrangement (1) for a drive train of a motor vehicle, comprising an input region (25) rotatable about an axis of rotation (A) and one about an axis of rotation (B) rotatable output region (35), wherein the mean torque (Mm) is transmitted with the superimposed alternating torque (Mw) along a torque path (M) from the input region (25) to the output region (35), wherein the input region (25) the torque transmitting assembly (1) having an input speed (ne) about the rotation axis (A) and the output portion (35) of the torque transmitting assembly with an output speed (na) about the rotation axis (B) rotates, wherein at least the input speed (ne) from a middle Speed (nem) and a superimposed alternating component (newp) composed, wherein the alternating component (new) approximately by an overlay periodic speed oscillations (newp_i) can be described, whose frequencies (f) are substantially in an integer ratio (i) to the ignition frequency (Zf), where each of these periodic oscillations (newp_i) a minimum (newp_i_Min) and a maximum (newp_i_Max ), wherein a slip arrangement (30) in the torque path (M) between the input region (25) and the output region (35) for transmitting the average torque (Mm) with the superimposed alternating torque (Mw) and for generating a rotational speed slip (ns) between the speed ne and the speed na in the torque path (M) is provided, wherein the slip arrangement (30) in the region of the maxima (newpi_i_Max) at least one periodic vibration component (newp_i) of the alternating component (newp) a maximum of an external activation (40) of the rotational speed slip (ns) and in the region of the minima (newpi_i_Min) of at least one periodic oscillation component (newp_i) of the alternating component (new) a minimum of an external component Activation (45) of the rotational speed slip (ns) provides.
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