Patent ID: 7980372

Claim:
Device for damping rotary oscillations in a drive train, for a starter-generator of a traction drive of a reciprocating piston internal combustion engine, comprising a freewheel clutch situated between a generator-freewheel pulley and a hub, the hub is connected to an input shaft of the starter-generator and the generator-freewheel pulley is connected to a crankshaft via a traction element, and the freewheel clutch has an inner ring, which surrounds the hub and which is fixed thereto, and an outer ring, which surrounds the inner ring with radial play and which is fixed to the generator-freewheel pulley, at least one centrifugal force actuated locking element is arranged in the inner ring and at least one locking receptacle is arranged in the outer ring, and the locking elements are constructed as latches, which each have a short lever and a long lever based on a position of a pivot support of the locking element on the inner ring, wherein a spring element acting in a direction of the outer ring is arranged between the inner ring and the short lever, and the short lever is moveable into and out of engagement with corresponding ones of the locking receptacles.