Apparatus for damping torsional vibrations
AssigneeHyundai Motor Company
InventorTae-Han Jee
Life of this patent
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Abstract
A dual mass flywheel between the output element of the engine and the power train of a motor vehicle is provided, which includes: a primary mass adapted to be attached to a crankshaft of an engine for rotation, the primary mass including two sheet metal components defining a damping chamber; a secondary mass supported for rotation relative to the primary mass and adapted to be coupled to a friction clutch; and a drive plate that is coupled to the secondary mass. A vibration damper is installed between the primary and secondary masses, the vibration damper including a plurality of ball members which move along the damping chamber by centrifugal force; a plurality of ball guide members; a plurality of resilient members; and a drive guide.
Claims7
A dual mass flywheel, comprising:
- a primary mass connected to an engine crankshaft, said primary mass defining a damping chamber extending along its circumferential direction;
- a secondary mass supported for rotation relative to said primary mass and adapted to be coupled to a transmission input shaft;
- a drive plate that is coupled to said secondary mass;
- and
- a torsional vibration damping device yieldingly coupling said secondary mass to said primary mass,
- wherein said torsional vibration damping device comprises:
- a plurality of ball members that move along said damping chamber by centrifugal force;
- a plurality of ball guide members that force said ball members to contact said primary mass, each of said ball guide members being arranged to be rotatable with said drive plate;
- a plurality of resilient members, each of said ball members being elastically supported by said resilient members on both sides;
- and
- a drive guide transmitting rotational force of said drive plate to said resilient members and being arranged to rotate with said drive plate.
A dual mass flywheel, comprising:
- a primary mass adapted to be attached to a crankshaft for rotation, said primary mass having two sheet metal components defining a damping chamber extending along its circumferential direction;
- a secondary mass connectable to a transmission input shaft, said secondary mass being rotatable relative to said primary mass;
- and
- a torsional vibration damping device yieldingly coupling said secondary mass to said primary mass,
- wherein said torsional vibration damping device comprises:
- a plurality of resilient members disposed in said damping chamber of said primary mass along its circumferential direction;
- a roller disposed between said resilient members, the roller being arranged to be movable in a radial and a circumferential direction;
- and
- a drive plate fixedly coupled to said secondary mass, said drive plate compressing said resilient members when there is a rotational deviation between said primary mass and said secondary mass.
Dependencies are inferred from the claim text.