An apparatus for damping torsional vibrations in a drivetrain, including a drive device and an output device, which drive device and output device are arranged so as to be rotatable around a common axis, a damping device that connects the drive device and the output device to one another, and a thrust bearing device for axial support of drive device and the output device. The drive device, cover device, and thrust bearing device are arranged such that a partially enclosed spatial region is formed, and at least one damping element of the damping device is arranged in the spatial region. Elements of the drive device, the cover device, the output device and the thrust bearing device are arranged to inhibit liquid entry into the spatial region.

A multi-piece propeller shaft includes a constant velocity joint disposed between and operably interconnecting first and second shaft segments. The constant velocity joint includes an outer race extending along an axis A from a first outer race end operably connected to the second shaft segment to a second outer race end to define an inner surface bounding an internal cavity. A vent and seal assembly is disposed inside the outer race and defines a plurality of venting cavities disposed serially along the axis A in fluid communication with one another. A first one of the venting cavities is disposed in fluid communication with the internal cavity and a last one of the venting cavities is disposed in fluid communication with an environment of the constant velocity joint for venting air from the internal cavity to the environment.

An air circulation cover which provides circulation of air between the inner volume and the external environment and the yoke shaft and the sleeve yoke of the cardan shaft, and prevents the ingress of foreign matter into the inner volume. The cover has a ring-shaped main body providing air passage to the center part, a body support member that seats the main body inside the cover assembly housing, a diaphragm mounted in the center section of body support element, air slots providing air passage located on the body of diaphragm, a wide surface filter element, a filter support element and a body outer edge.

A gear motor includes a gear mechanism driven via a clutch by an electric motor. The clutch is at least partially enclosed by a protective part, and the protective part includes two cowl parts. The cowl parts are connected to one another and each cowl part includes grill openings, e.g., on their side facing toward the electric motor.

A vehicular power transmission device includes: a support member; first and second rotating shafts rotating about a shaft; and first and second bearings supporting first and second rotating shaft, respectively, to be rotatable with respect to the support member. Further, an oil hole is formed in the support member for supplying lubricating oil to a space between the first bearing and the second bearing, the space is divided into first and second spaces on sides of first and second bearings, respectively, by a partition wall formed on the support member, the oil hole is formed in the support member so as to discharge the lubricating oil to one space of the first space and the second space, and a communication hole communicating with the first space and the second space is formed in the partition wall.

A sealing boot for sealing a joint of 8 & 8¼ front differentials, where the sealing boot comprises a first sealing boot section having a first cylindrical inside surface. The first sealing boot section is adapted for being tightly fitted to a shoulder section of an end portion of a differential output shaft protruding a housing of the 8 & 8¼ front differential. The shoulder section is disposed between a male spline and the housing. A second sealing boot section has a second cylindrical inside surface. The second sealing boot section is adapted for being tightly fitted to an outside surface section of an end portion of a CV axle shaft having a female spline disposed therein. The female spline being adapted for being engaged with the male spline of the differential output shaft. The sealing boot forms a sealed enclosure between the first cylindrical inside surface and the second cylindrical inside surface.

An air circulation cover which provides circulation of air between the inner volume and the external environment and the yoke shaft and the sleeve yoke of the cardan shaft, and prevents the ingress of foreign matter into the inner volume. The cover has a ring-shaped main body providing air passage to the center part, a body support member that seats the main body inside the cover assembly housing, a diaphragm mounted in the center section of body support element, air slots providing air passage located on the body of diaphragm, a wide surface filter element, a filter support element and a body outer edge.

An air venting system for a constant velocity joint (20) having an inner race (24), an outer race (22), a cage (26), a plurality of torque transferring elements (28), a drive sleeve, a drive nut and a boot assembly. The outer race has a wall portion (90) having a vent hole (88, 242) with a first and a second axially extending channel (224, 264). A radially extending wall integrally connects the second axially extending channel to the first axially extending channel. A valve (256) having a stopper portion (264), a disk portion (258) and a breather portion (260) is at least partially located within the vent hole. The breather portion (260) further includes an axially extending ring (292) that terminates in a radially extending wall. At least a portion (300) of an edge portion of the radially extending wall of the breather portion of the valve is in direct contact with at least a portion (250) of an outer surface of the wall portion of the outer race.

Sealing device for a wheel hub assembly provided with a rolling bearing, the sealing device being provided with a shield mounted on an outer ring of the bearing and with an annular cylindrical wall having an inner lateral surface mounted on an outer lateral surface of a collar of the outer ring; and with a sealing material fixed to the shield and defined by a pre-formed annular covering of polymer material, preferably but not necessarily rubber or thermoplastic material, formed independently and separately from the shield and mounted on the shield.

An outer part for homokinetic joints and rolling bearings, the outer part having, at least at one of its end faces, an annular sealing face. Axially running bores for receiving fastening means are formed in the end faces of the outer part, the sealing face extending in the region of the bores radially between the bores and the inner diameter of the outer part. A contour protruding from the sealing face is arranged on the end-face sealing face(s) of the outer part, against which contour the seal presses when fitted. Said contour, which protrudes nose-like in longitudinal cross-section, provides even at the pre-assembled stage a small seating surface for the seal, such that the contour is fixed in position, without the use of an adhesive, even under small pressing forces, such as those usually applied during the preassembly of the module to which the outer part belongs.