Apparatus for damping vibrations
AssigneeLuK Lamellen und Kupplungsbau Beteiligungs KG
InventorsOswald Friedmann, Johänn Jackel
Life of this patent
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Abstract
An apparatus for damping torsional vibrations between the engine and the power train in a motor vehicle has flywheels which are rotatable relative to each other. One flywheel is mounted on the output element of the engine and another flywheel is connectable to the power train by a friction clutch. Installed between the flywheels are at least two resilient dampers operating in parallel. In a first stage of relative rotation between the flywheels from a starting position, only one of the dampers is active to oppose the rotation. In a next-following second stage of relative rotation the other of the two dampers becomes active to oppose the rotation in parallel with the first damper.
Claims12
An apparatus for counteracting fluctuations of torque, comprising at least two flywheel elements which are rotatable relative to each other about a common axis, said elements including a first flywheel element connectable with a prime mover and a second flywheel element connectable with a transmission by way of a clutch;
- and damper means interposed between said flywheel elements, said damper means including at least two resilient dampers operating in parallel, one of said at least two dampers being arranged to oppose, alone, a first stage of rotation of said first and second flywheel elements from a starting position and the other of said at least two dampers being arranged to oppose, with said one damper, a next-following second stage of rotation of said first and second flywheel elements relative to each other, said damper means including wear resistant means between said first flywheel element and said one of the at least two dampers.
Dependencies are inferred from the claim text.