A torque transmission device is disclosed having a housing that is rotatable about an axis of rotation (d) and is at least partially filled with fluid and a centrifugal pendulum device having at least two centrifugal pendulums arranged in the housing, each having a set of pendulum masses arranged to be distributed over the circumference, which are displaceably arranged along predetermined pendulum tracks in the centrifugal force field of the torque transmission device. To at least reduce a mutual influence of the at least two sets of pendulum masses, a fluidically active separating member is provided between the at least two sets of pendulum masses.

The invention relates to a hydrokinetic. torque coupling device, comprising an impeller wheel (2) able to hydrokinetically drive a turbine wheel (3) into rotation, with the turbine wheel (3) being able to be axially moved between an engaged position and a disengaged position, characterized in that the radially external periphery of the turbine wheel (3) comprises a seal (18) able to come to rest onto a matching sealing surface (22) positioned radially outside the turbine wheel (3), onto the impeller wheel (2) or onto a part (5) rotationally coupled to the impeller wheel (2) in the disengaged position.

A mass damper system includes a damper mass carrier having movable damper mass and a stop. The damper mass moves within a predetermined movement region during an operating state. A first movement region portion bounded by an initial position in which the damper mass is free from a deflection in circumferential direction and by a limit position in which the damper mass has undergone a deflection, and a second movement region portion defined by the limit position and a stop position in which the damper mass has come in contact with the stop. At a side facing the stop, the damper mass has a proximity profile that correspond to a stop profile such that in the first movement region portion the damper mass remains within a residual distance region relative to the stop in one extension portion of the proximity profile.

A hydrokinetic torque coupling device for coupling together driving and driven shafts, comprises a casing, impeller and turbine wheels, a torsional vibration damper, a turbine hub non-rotatably connected to the turbine wheel, and first and second vibration absorbers. Each of the first and second vibration absorbers is one of a dynamic absorber and a pendulum oscillator. The turbine hub is non-rotatably coupled to a driven member of the torsional vibration damper. The first vibration absorber is mounted to the turbine hub and the second vibration absorber is mounted to one of the turbine hub and the casing. The first vibration absorber and the second vibration absorber are tuned to address different orders of vibrations. The dynamic absorber includes an inertial member and a connecting plate coupled to the inertial member. The pendulum oscillator includes a support member and flyweights configured to oscillate relative to the support member.

A damper device includes a retaining plate, a plurality of first spring members and an output plate. The retaining plate has an annular shape. The plurality of first spring members are held by the retaining plate. The output plate is elastically coupled to the retaining plate through the plurality of first spring members. The retaining plate is circumferentially divided into a plurality of divided retaining plate pieces.

A hydrodynamic coupling arrangement has a housing connected to pressure medium lines for conducting pressure medium into or out of a pressure space sealed by a piston of a clutch device relative to a toroidal space of a hydrodynamic circuit provided in the housing. A rotatable area is provided for axially displaceably receiving a radially inner piston hub of the piston of the clutch device, and at least one through-opening which is rotatable relative to the housing is provided in a through-opening area for producing at least one flow connection between at least one pressure medium line and the pressure space. The receiving area and the through-opening area are in rotational communication with a retarding device influencing a flow of pressure medium in the pressure space, this flow of pressure medium arriving in the pressure space after passing through the through-opening area.

An intermediate member of a damper device includes a plate portion that has spring abutment portions that abut against inner springs. Spring abutment portions of a coupling member of a dynamic damper extend from a fixed portion via a bent portion to be disposed in opening portions of the plate portion, and abut against end portions of third springs disposed in the opening portions such that the third springs are arranged side by side with the inner springs in the circumferential direction. The plate portion and the spring abutment portions at least partially overlap each other in the thickness direction. The axes of the inner springs and the third springs are included within the range of overlap between the plate portion and the spring abutment portions in the thickness direction.

A torsional vibration damping arrangement, in particular mass damper subassembly, having a carrier which can be driven in rotation and a damper mass rotatably deflectable with respect to the carrier against the restoring action of a substantially radially extending damper spring. The damper spring is fixedly clamped in the damper mass and is supported or supportable with respect to the carrier for transmitting circumferential force. The damper spring is clamped between clamping elements arranged at both sides of the damper spring in circumferential direction.

A lock-up device for a torque converter is disposed between a front cover coupled to an engine-side member and a torque converter body and directly transmits a torque from the front cover to a turbine of the torque converter. The lock-up device includes a clutch portion to transmit the torque from the front cover to an output side. The lock-up device includes an intermediate member in a power transmission path between the clutch portion and the turbine. An input-side damper mechanism mounted between the clutch portion and the intermediate member attenuates variation in rotational speed. An output-side damper mechanism mounted between the intermediate member and the turbine generates a hysteresis torque larger than a hysteresis torque of the input-side damper mechanism and attenuates variation in rotational speed. The lock-up device also includes a dynamic damper device coupled to the intermediate member and that attenuates variation in rotational speed.

A torsional vibration damper has an input, an output and an intermediate mass arranged therebetween, a first plurality of spring elements coupled between the input and the intermediate mass that form a first stage, a second plurality of spring elements coupled between the intermediate mass and the output that form a second stage of the torsional vibration damper, at least one damper mass to damp the vibration component of the rotational movement. The first stage of the torsional vibration damper has a progressive first characteristic with at least one transition point. The second stage of the torsional vibration damper has a progressive, second characteristic with at least one transition point. All of the transition points of the first characteristic and the second characteristic are spaced apart from one another with respect to torque.