A torsion beam type of rear suspension comprising a pair of right-and-left trailing arms and a torsion beam. A floor under cover for airflow straightening is attached to a portion of a vehicle body in front of the rear suspension so as to cover a vehicle-body lower face. A cover-support bracket is laid between a rear portion of a side sill and an inward side, in a vehicle width direction, of an arm pivot of the trail arm. A portion of the floor under cover which is positioned in the vicinity of its rear end is engaged with the cover-support bracket such that a rear end portion of the floor under cover is extended from an inward-side edge of a front portion of a rear wheel house to an inside of the rear wheel house.

The twist axle assembly includes a pair of trailing arms that are spaced apart from one another in a first direction. The twist axle assembly also includes a twist beam, which has an open shaped cross-sectional shape, that extends in the first direction between a pair of opposing end portions. The open cross-sectional shape of the twist beam includes a base and a pair of side walls. The end portions of the twist beam are fixedly attached with the trailing arms. A pair of beam reinforcements are fixedly attached with the trailing arms and with the base of the twist beam. The beam reinforcements are fixedly attached with the twist beam through at least one of fasteners, adhesives, resistance spot welding, cold metal transfer welding, laser welding, and brazing.

An embodiment rear side member of a vehicle includes a front portion extending forward in a vehicle length direction, a rear portion extending rearward in the vehicle length direction and disposed offset to an inside of the vehicle with respect to the front portion, and a transition portion in a curved shape connecting a rear end of the front portion and a front end of the rear portion and passing through both a first point configured to engage with a first arm of a first type suspension and a second point configured to engage with a second arm of a second type suspension different from the first type suspension.

The twist axle assembly includes a pair of spaced apart trailing arms and a twist beam of which extends in a first direction between the trailing arms. The twist beam includes a pair of end portions and a middle portion. The twist beam further has a pair of side walls and at least one additional wall that extends between the side walls. The side walls in the middle portion are generally parallel with the side walls of the end portions. The twist beam is generally hour-glass shaped with the middle portion having a first width and the end portions have a greater second width. The twist beam also tapers from the first width of the middle portion to the second widths of the end portions for gradually increasing a torsional stiffness from the middle portion to the end portions.

The invention relates to an axle assembly for commercial vehicles includes a linkage element, a first axle element and a second axle element, wherein the first axle element substantially extends along a tube axis and can be fastened on a first side of the linkage element, wherein the second axle element is shaped at least in regions rotationally symmetrically around the stub axis and can be fastened on a second side of the linkage element, wherein the tube axis and the stub axis are separated from one another in the region of the linkage element, and wherein a receiving section is provided which can be fastened to at least one of the elements in order to provide a bearing for a spring element such that a first plane of the spring element is cut at least in regions by one of the axes.

The invention relates to a method for producing a bent torsional profile comprising the following process steps: a) provision of a plate made of planar sheet metal, b) reshaping of the plate through the introduction of a bent trough oriented in the longitudinal direction of the plate in a central length portion (6) of the plate at a distance from the front edges of the plate, forming legs between the trough and the longitudinal edges of the plate, c) reshaping of the legs in such a manner that an open profile is created, d) reshaping of the legs in such a manner that a hollow profile is produced, wherein a longitudinal gap is formed between the two legs over the entire longitudinal extent thereof and wherein an air gap is created between the legs and the trough in the region of the trough, e) joining of the two legs over the entire longitudinal gap.

An electric drive unit for a wheel of a motor vehicle, including an electric motor for driving a drive shaft joined to the wheel in a manner resistant to rotation. The drive shaft is disposed coaxial to the rotor of the electric motor and is joined thereto in a rotation-resistant manner. The drive shaft is joined to the rotor of the electric motor in a rotation-resistant and axially moveable manner via a bearing.

A vehicle suspension system having a twist beam axle including a crossbeam and two trailing arms connected thereto. The rear ends of each trailing arm, in the motor vehicle longitudinal direction, having with a wheel mount for fastening a motor vehicle wheel. The front ends of each trailing arm connected via a bearing to the motor vehicle body. Each bearing associated with a MEMS designed as an actuator wherein movements of the bearings and therefore the twist beam axle about the vertical motor vehicle axis can be caused or unfavorable movements of the twist beam axle can be counteracted.

The twist axle assembly includes a pair of spaced apart trailing arms and a twist beam which is made of a single piece and is operably connected with the trailing arms. The twist beam has a top wall, a bottom wall and a pair of side walls. The twist beam presents a pair of end portions which are bent to present edges that face towards one another when viewed in cross-section, and the twist beam presents a middle portion which extends between the end portions. The middle portion has an opening with a generally elliptical shape formed into the bottom wall for reducing a torsion stiffness of the middle portion of the twist beam in comparison to the end portions.

An installation structure of an in-wheel motor unit including a motor, a speed reducer, and a housing, for installing the in-wheel motor unit on a carrier of a suspension apparatus such that the housing is sandwiched by and between the carrier and a bearing unit, wherein the bearing unit and the housing are fastened at first fastening positions, and the carrier and the housing are fastened at second fastening positions the number of which is the same as that of the first fastening positions, wherein each first fastening position and the corresponding second fastening position form a pair, so as to provide a plurality of fastening-position pairs, and wherein the first and second fastening positions of each pair are located at the same position or located close to each other when viewed in a wheel axis direction which is a direction in which a rotation axis of a wheel extends.