A lower vehicle-body structure includes: side sills extending along a vehicle front-rear direction and provided on both sides in a vehicle width direction of a vehicle body, respectively; a front undercover covering a lower surface of the vehicle body and having a first flange which extends to an outer bottom surface of each of the side sills; and a side sill garnish having a second flange covering the outer bottom surface from outside in the vehicle width direction. The first flange and the second flange are overlapped with each other in a vehicle up-down direction, and are fastened together to the outer bottom surface of the side sill.

A motor vehicle has a passenger compartment and two longitudinal members provided with respective rear portions arranged longitudinally in the area of the passenger compartment and with respective struts, which project forward relative to the passenger compartment; the motor vehicle further has a powertrain, which is supported by the cross member and/or by the struts, and a cross member with front connection points connected to the longitudinal members so as to be suspended, by means of respective breakable connection members, and with rear connection points connected to the aforesaid rear portions by means of connection devices having weakened areas designed so as to break when a given load threshold is exceeded, in order to completely uncouple the cross member from the longitudinal members.

A chassis for a vehicle includes a frame having a first end and an opposing second end. The frame includes a first frame rail defining a first channel, a second frame rail defining a second channel and that is spaced from the first frame rail, and a cross member assembly coupled to the first end of the frame and extending between the first frame rail and the second frame rail. The cross member assembly includes a first end plate positioned within and releasably received by the first channel of the first frame rail, a second end plate positioned within and releasably received by the second channel of the second frame rail, and a cross member extending between the first end plate and the second end plate.

A chassis for a vehicle includes a frame having a first end and an opposing second end. The frame includes a first frame rail defining a first channel, a second frame rail defining a second channel and that is spaced from the first frame rail, and a cross member assembly coupled to the first end of the frame and extending between the first frame rail and the second frame rail. The cross member assembly includes a first end plate positioned within and releasably received by the first channel of the first frame rail, a second end plate positioned within and releasably received by the second channel of the second frame rail, and a cross member extending between the first end plate and the second end plate.

A body for a vehicle includes a first member provided at a lower portion of a front floor module extending to a front of a second member provided at a center floor module, and a third member provided at a lower portion of a rear floor module extending to a rear of the second member provided at the center floor module to form a main load path along the first, second, and third members extending from a foremost end of the vehicle to a hindmost end of the vehicle.

A body for a vehicle includes a first member provided at a lower portion of a front floor module extending to a front of a second member provided at a center floor module, and a third member provided at a lower portion of a rear floor module extending to a rear of the second member provided at the center floor module to form a main load path along the first, second, and third members extending from a foremost end of the vehicle to a hindmost end of the vehicle.

An embodiment vehicle body includes a first member extending in a shape having an internal space, the first member having an open side, and a second member coupled to the first member, the second member having an end with a closed surface, wherein the end with the closed surface is received in the internal space of the first member through the open side of the first member, and the closed surface and at least one side wall of the second member are in surface contact with the first member.

A corner module apparatus for a vehicle may include a driver configured to provide a driving force to a wheel of a vehicle, a suspension connected to the driver, and being configured to absorb shock transferred from a road surface, and a steering unit connected to the suspension, the steering unit rotatably installed under a frame module coupled to a vehicle body, and being configured to adjust a steering angle of the wheel.

A fastening assembly for fastening an axle support on a vehicle body. The axle support is screwed onto the vehicle body on multiple attachment points. On at least one of the attachment points, a bearing bracket for mounting a unit for the axle drive is arranged between the axle support and the vehicle body and also screwed on. A method for installing and fastening an axle support on a vehicle body in the mass production of motor vehicles is further disclosed.

A vehicle is provided. The vehicle includes: a chassis including a chassis body and chassis modular units; at least one driving unit arranged in at least one of the chassis modular units, and configured to provide a driving force to at least a pair of wheels; and suspension systems. The chassis body is of an elongate shape in a first direction of the vehicle. A cockpit is arranged in the chassis body. The chassis modular units are connected to the chassis body in series in the first direction, and arranged at first and second ends of the chassis body in the first direction. Each chassis modular unit is connected to a corresponding pair of wheels through a corresponding suspension system.