Patent ID: 6796411
Filing Date: 2004-09-28
Classification: F16H

Abstract:
A hydrodynamic clutch device comprising:an impeller wheel having a plurality of impeller wheel blades arranged circumferentially about an axis of rotation; a turbine wheel located axially opposite the impeller wheel and having a turbine wheel shell and a plurality of turbine wheel blades arranged circumferentially about said axis of rotation; a stator wheel comprising a blade carrier supporting a plurality of stator wheel blades arranged circumferentially about said axis of rotation between said impeller wheel blades and said turbine wheel blades, wherein said stator wheel blades, said impeller wheel blades, and said turbine wheel blades define a fluid circulation zone extending annularly about said axis of rotation; and a torsional vibration damper arrangement comprising a central disk element fixed to a turbine wheel hub, a pair of cover disk elements on opposite axial sides of said central disk element, and a damper element arrangement between the central disk element and the cover disk elements, wherein damper element arrangement axially overlaps said fluid circulation zone and is at least partially radially inside said fluid circulation zone, said cover disk elements being fixed to each other, one of said cover disk elements being constructed for coupling to a lockup clutch, the other said cover disk element being formed at least partially by said turbine wheel shell, wherein said central disk element and said cover disk elements each have interaction areas for applying force to the damper element arrangement between the central disk element and the cover disk elements, the other said cover disk element being punched and shaped to form a pair of interaction areas and a support between said interaction areas for supporting said damper element arrangement, wherein said blade carrier has a profile which at least partially conforms to said damper element arrangement.