Hydrodynamic coupling arrangement, particularly hydrodynamic torque converter

摘要

A hydrodynamic coupling arrangement, particularly hydrodynamic torque converter, wherein at least one torsional vibration damper arrangement comprises at least two torsional vibration dampers which are arranged so as to be radially staggered and substantially aligned axially with respect to one another, wherein the first torsional vibration damper is arranged on the radially outer side of the second torsional vibration damper, and wherein the at least one torsional vibration damper arrangement is coupled with the other torsional vibration damper arrangement in an area radially between the first damper element unit and the second damper element unit.

主权项

1. A hydrodynamic coupling arrangement comprising:
a housing arrangement (12) filled or fillable with fluid; an impeller (20) rotatable with said housing arrangement (12) around an axis of rotation; a turbine (24) arranged in said housing arrangement (12); a lockup clutch (34) having a first friction surface formation (36) coupled with said housing arrangement (12) for rotation around the axis of rotation (A) and a second friction surface formation (42) coupled with a driven member (56) for rotation around said axis of rotation (A) and capable of being brought into frictional engagement with said first friction surface formation (36); a first torsional vibration damper arrangement (58) disposed in a torque transmission path between said lockup clutch (34) and said driven member (56); said first torsional vibration damper arrangement (58) having a first input area (70) coupled for joint rotation with said second friction surface formation (42) around said axis of rotation and a first output area (78) rotatable with respect to the first input area (70) around the axis of rotation (A) against the action of a first damper element arrangement (80); a second torsional vibration damper arrangement (60) having a second input area (90) coupled for joint rotation with said first output area (78) around the axis of rotation (A) and a second output area (106) rotatable with respect to said second input area (90) around said axis of rotation (A) against the action of a second damper element arrangement (100) and coupled with said driven member (56) for jointly rotating around said axis of rotation (A); said first torsional vibration damper arrangement (58) and said second torsional vibration damper arrangement (60) arranged successively in a direction of said axis of rotation (A); at least one of said torsional vibration damper arrangements (60) comprising at least two torsional vibration dampers (82, 84) arranged so as to be radially staggered and substantially aligned axially with respect to one another; wherein a first of said two torsional vibration dampers (82) comprises a first primary side (88) and a first secondary side (96) rotatable around the axis of rotation (A) with respect to said first primary side (88) against the action of a first damper element unit (98) of said damper element arrangement (100); and a second of said two torsional vibration dampers (84) comprises a second primary side (102), said second primary side providing together with said first secondary side (96) an intermediate mass arrangement of the torsional vibration damper arrangement (60), and a second secondary side (104) rotatable around the axis of rotation (A) with respect to said second primary side against the action of a second damper element unit (110) of said second damper element arrangement (100); wherein said first torsional vibration damper (82) is arranged on a radially outer side of said second torsional vibration damper (84); and wherein said second torsional vibration damper arrangement (60) is coupled with said first torsional vibration damper arrangement (58) in an area radially between the first damper element unit (98) and the second damper element unit (110).