The invention relates to a device for damping vibrations, for a motor vehicle transmission drivetrain, comprising: a first element and a second element (2) that are rotationally movable around a rotation axis X; elastic damping means having an elastic blade (13, 14) mounted rotationally integrally with the first element (3); and a rolling body movable with respect to the second element so that a curvilinear trajectory can be executed on at least a predetermined angular sector (A), the curvilinear movement of the rolling body with respect to the second element being accompanied by a movement of the rolling body on the elastic blade, causing the latter to flex.

A torsional vibration damping arrangement has an input-side connection component, an output-side connection component, a first torque transmission path arranged between the input-side connection component and the output-side connection component, a second torque transmission path arranged parallel to the first torque transmission path between the input-side connection component and the output-side connection component ( ), a phase shifter arrangement and a torque adjusting arrangement ( ). The phase shifter arrangement is arranged in the first torque transmission path or second torque transmission path and is configured to generate a phase shift of rotational irregularities guided via the first torque transmission path relative to rotational irregularities guided via the second torque transmission path. The torque adjusting arrangement is configured to change a torque transmission ratio between a first torque component which is transmitted via the first torque transmission path and a second torque component which is transmitted via the second torque transmission path.

A torsional vibration damping arrangement, having an input region and an output region. There is provided between the input and output region a first torque transmission path and, a parallel second torque transmission path and a coupling arrangement for superposing the torques. A phase shifter arrangement in the first torque transmission path generates a phase shift of rotational irregularities. The phase shifter arrangement is a preassembled unit having at least a first connection point and second connection points, and the coupling arrangement is a preassembled unit having a first connection point corresponding to the phase shifter first connection point assembly unit and a second connection point corresponding to the phase shifter arrangement second connection point. The connection points of the phase shifter assembly unit are axially joined to the connection points of the coupling arrangement assembly unit during an assembly of the phase shifter assembly.

A torsional vibration damping arrangement includes: an input region, an output region, and a coupling arrangement communicating with the output region. A phase shifter arrangement communicates with the input region. A torque transmission path extending between the input region and the output region transmits a total torque. The torque transmission path is divided into first and second torque transmission paths, which paths are guided back together again at the coupling arrangement. An input torsional vibration is divided into two torsional vibration components by being conducted respectively via the first and second torque transmission paths and are destructively superimposed at the coupling arrangement to form a minimized output torsional vibration relative to the input torsional vibration. A planet wheel carrier is constructed as a modular building block planet carrier element and includes at least a first connection area.

A torsional vibration damping arrangement comprises an input region to be driven in rotation around an axis of rotation and an output region and a first torque transmission path and parallel thereto a second torque transmission path, both of which proceed from the input region, and a coupling arrangement for superposing the torques conducted via the torque transmission paths, which coupling arrangement communicates with the output region, a phase shifter arrangement for the first torque transmission path for generating a phase shift of rotational irregularities conducted via the first torque transmission path relative to rotational irregularities conducted via the second torque transmission path, and a pendulum mass in the phase shifter arrangement and/or in the coupling arrangement.

A torsional vibration damping arrangement for the drivetrain of a vehicle has an input region driven in rotation around an axis of rotation A and an output region. A first torque transmission path and a second torque transmission path parallel thereto proceed from the input region. A coupling arrangement communicates with the output region for superposing the torques guided via the torque transmission paths, and a phase shifter arrangement for the first torque transmission path generates a phase shift of rotational irregularities guided via the first torque transmission path relative to rotational irregularities guided via the second torque transmission path. The output region includes the planet gear carrier at which a planet gear is rotatably supported, and the planet gear carrier is connected to the output region to be fixed with respect to rotation relative to it.

A damper device including an input element to which a torque from an engine is transmitted; an output element; an elastic body to transmit torque between the input element and the output element; and rotary inertia mass damper having a mass body that rotates in accordance with a relative rotation of the input element and the output element. The output element is coupled to a rotor of an electric motor, which is coupled to an input shaft of a transmission. The rotary inertia mass damper includes a planetary gear mechanism having a carrier that supports pinion gears, the carrier is a part of the input element, one of the sun gear and the ring gear is a part of the output element, and the other of the sun gear and the ring gear functions as the mass body.

A damper device includes an input shaft member to which a driving force from a crankshaft of an internal combustion engine is input, an output shaft member capable of outputting the driving force transmitted from the input shaft member, an input side cam and an output side cam respectively connected to the input shaft member and the output shaft member, and a damper bearing pivotable on the input side cam or the output side cam, wherein a damper bearing assembly has a bearing shaft supporting a plurality of damper bearings, bearing axes of the plurality of damper bearings are arranged along a bearing shaft axis of the bearing shaft, the bearing shaft is orthogonal to a rotation axis, and a shaft support portion supporting the bearing shaft, is provided between the adjacent damper bearings of the damper bearing assembly.

A damper device includes an input element; an intermediate element; art output element; a first elastic body that transmits a torque between the input element and the intermediate element; and a second elastic body that transmits a torque between the intermediate element and the output element. The damper device also includes a rotary inertia mass damper that includes a first mass body rotating in accordance with relative rotation between the input element and the output element and that is arranged between the input element and the output element to be parallel to a torque transmission path including the first elastic body, the intermediate element and the second elastic body. Finally, the damper devices includes a second mass body; and an elastic body arranged to couple the second mass body with the output element.

A torsional vibration damper that a torsional vibration damper having a planetary gear unit, and a manufacturing method of the torsional vibration damper for limiting damages on gears of the planetary gear unit due to dimension errors. In the planetary gear unit, at least one of a sun gear, a ring gear, and a set of planetary gears is/are formed by a press forming method. The gear formed by the press forming method is engaged with the remaining gears in such a manner that a thinner portion of each tooth is individually engaged with a thicker portion of the adjacent teeth of the remaining gears.