A noise vibration harshness reduction assembly includes a housing, a component, and an axial ring. The component is supported via the housing and movable relative to the housing. The axial ring is disposed axially along the component. The axial ring is configured to attenuate axial sound inducing vibrations in response to operation of the component.

A rotary damper device includes a drive component and a rotary damper upstream of the drive component. The drive component has an input gear with an external toothing and axially open cut-outs. The rotary damper has an annular carrier, a spring element arranged in the annular carrier, an output gear with an internal toothing meshed with the external toothing, and a clamping ring with a plurality of axially extending fingers engaged in the axially open cut-outs to clamp the output gear against the input gear.

A torsional vibration damper arrangement for a drive train of a motor vehicle includes a torsional vibration damper having an input flange, a first output flange, a second output flange, a hub, a first connecting element, and a second connecting element. The first output flange is rotatable relative to the input flange about an axis of rotation against a spring device. The first connecting element lies on a first radius relative to the axis of rotation and connects the first output flange, the second output flange, and the hub in rotationally fixed and form-fitting or force-fitting manner for torque transmission to a further component. The second connecting element is disposed at least partially radially inside the hub and connects the hub to the second output flange in a force-fitting or form-fitting manner.

A differential gear device for a vehicle including a housing, a pinion shaft provided inside the housing, a pinion gear respectively mounted on both ends of the pinion shaft, and a pair of side gears respectively disposed on both sides of a width direction of a vehicle and engaged to the pinion gear. A disconnector actuator system is coupled to one side gear and a drive shaft is coupled to the other side gear among the pair of the side gears. The differential gear device for the vehicle includes a noise reduction unit provided between the cover to which the drive shaft is coupled and the other side gear to prevent a whine noise from being generated between the pinion gear and the other side gear during the operation of the disconnector actuator system.

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 hybrid vehicle drive device includes a transmission coupled to the engine output shaft of an engine, a final reduction gear coupled to the transmission output shaft of the transmission, a drive shaft coupled to the final reduction gear, and a power transmission mechanism that transmits the rotation of an electric motor to the final reduction gear. The hybrid vehicle drive device includes a transaxle case accommodating the transmission, the final reduction gear and the power transmission mechanism and having a mounting surface for mounting the engine and the electric motor. The transaxle case is formed by an engine-side converter housing, a transmission-side transmission case, and a middle wall attached to the converter housing and separating the converter housing from the transmission case, the power transmission mechanism being housed between the converter housing and the middle wall.

A drive train including an internal combustion engine with a crankshaft, and having a spur gear arrangement with at least one transmission input shaft that is coupled to the crankshaft by a friction clutch. A clutch plate within a housing of the friction clutch is connected in a rotationally locked manner to the at least one transmission input shaft and includes a centrifugal force pendulum. To accommodate the centrifugal force pendulum in the drive train in a space saving manner, the centrifugal force pendulum is situated on the at least one transmission input shaft at an axial distance from the clutch plate.

A transmission of an internal combustion engine in which the shaft length of a main shaft can be shortened to eliminate a supporting wall around a reduction gear while a thrust load is received. Around a main shaft of a transmission of an internal combustion engine, a primary bearing is fastened to an inside of a primary driven gear, and is disposed between the primary driven gear and the main shaft. A collar member is disposed between the primary bearing and a main bearing. A step portion, in contact with the main bearing, is formed on the main shaft on an opposite side of the main bearing from the collar member. A cylindrical portion, an inner race of the primary bearing, the collar member, and an inner race of the main bearing are fastened to the side of the step portion.

An epicyclic gearing arrangement includes a planet gear rotatable on a planet bearing that is mounted via a support pin to a carrier of the epicyclic gearing arrangement. A spring film damper is disposed between the outer surface of the bearing's outer ring and the opposing inner surface of the planet gear and includes an annular gap. The support pin and/or outer ring include oil feed holes that open into the respective annular gap(s).

A hybrid drive sub-assembly for a vehicle has primary gear wheels, secondary gear wheels that are able to be coupled to a secondary shaft, and an intermediate shaft to which intermediate gear wheels are secured for rotation therewith. The primary gear wheel(s) and the secondary gear wheels each meshing permanently with a corresponding gear wheel from among the intermediate gear wheels. This hybrid sub-assembly is equipped with a motorized module having a reversible electric machine, an interface for connecting to the intermediate shaft, a speed reducer, a torsional oscillation damping device and a coupling mechanism that is able to couple and uncouple the reversible electric machine and the intermediate shaft.