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AssigneeSchaeffler Technologies AG & Co. KG
InventorsMartin Häßler, Alain Rusch, Timm Gmeiner, Thorsten Hartmann
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A friction device for a torsional vibration damper includes an axis of rotation, an input side with a first disc and a second disc, and an output side between the first disc and the second disc and rotatable relative to the input side. The output side has a first friction disc, a second friction disc, and a spring element between the first friction disc and the second friction disc. The spring element has first, second and third contact regions. At a first angle of rotation between the input side and the output side, an axial contact force between the first friction disc and the second friction disc is transmittable via the first contact region and the third contact region. At a second angle of rotation, different than the first angle of rotation, the axial contact force is transmittable via the second contact region and the third contact region.
A torsional vibration damper comprising a friction device, comprising an axis of rotation extending in an axial direction, wherein the friction device has an input side comprising a first disc and a second disc as well as an output side which is arranged between the discs in the axial direction, can be rotated relative to the input side and which has a first friction disc k4 and a second friction disc (, wherein the output side has a spring element comprising a plurality of contact regions, wherein the spring element is arranged in the axial direction between the friction discs, and a contact force acting in the axial direction at least between the friction discs can be transmitted via the contact regions;
A friction device for a torsional vibration damper comprising:
Dependencies are inferred from the claim text.