A sub-frame arranged to be mounted on a chassis of a car and to have the rear wheels of the car mounted thereon is arranged to receive an electric drivetrain arranged to drive the car. The sub-frame includes a cage including bars arranged to form an upper perimeter and a lower perimeter and a plurality of struts extending between the upper and lower perimeters; a pair of rear wheel suspension mounts, each rear wheel suspension mount being arranged to have one of the rear wheels of the car mounted thereon; and a plurality of brackets located on the cage and arranged to facilitate connection of the sub-frame to the chassis of the car and/or to the electric drivetrain. A frame and vehicle including such a sub-frame and a method of installing such a sub-frame are also disclosed.

A sub-frame arranged to be mounted on a chassis of a car and to have the rear wheels of the car mounted thereon is arranged to receive an electric drivetrain arranged to drive the car. The sub-frame includes a cage including bars arranged to form an upper perimeter and a lower perimeter and a plurality of struts extending between the upper and lower perimeters; a pair of rear wheel suspension mounts, each rear wheel suspension mount being arranged to have one of the rear wheels of the car mounted thereon; and a plurality of brackets located on the cage and arranged to facilitate connection of the sub-frame to the chassis of the car and/or to the electric drivetrain. A frame and vehicle including such a sub-frame and a method of installing such a sub-frame are also disclosed.

Isolation of a body of a vehicle from vibrational frequencies introduced via electronic axle drive units vehicle is provided. For example, one or more embodiments described herein can comprise a vibration isolation device for a powertrain of an electric vehicle is provided. The vibration isolation device can comprise an inner core configured to operatively attach to an electronic axle drive unit for an axle of the electric vehicle. The vibration isolation device also can comprise a mass dampener integrated with an insulator, resulting in a dual isolation mass that encircles the inner core. Further, the vibration isolation device can comprise an outer sleeve that encircles the dual isolation mass and the inner core.

Isolation of a body of a vehicle from vibrational frequencies introduced via electronic axle drive units vehicle is provided. For example, one or more embodiments described herein can comprise a vibration isolation device for a powertrain of an electric vehicle is provided. The vibration isolation device can comprise an inner core configured to operatively attach to an electronic axle drive unit for an axle of the electric vehicle. The vibration isolation device also can comprise a mass dampener integrated with an insulator, resulting in a dual isolation mass that encircles the inner core. Further, the vibration isolation device can comprise an outer sleeve that encircles the dual isolation mass and the inner core.

A vehicle battery pack support device applicable to various classes of vehicles and allowing weight reduction and cost reduction. The vehicle battery pack support device suspends a battery pack at a side rail constituting a ladder frame of a vehicle and includes a frame-side bracket secured by bolts to an outer side face of the side rail at a plurality of bolt fastening parts thereof arrayed in a grid arrangement. An elastic coupling part elastically couples the battery pack and the frame-side bracket. A spacer is interposed between the outer side face of the side rail and the frame-side bracket. The spacer includes a plurality of columnar members corresponding to the plurality of bolt fastening parts and a connecting part that connects the plurality of columnar members.

There is provided a power unit mounting structure including: a power unit mounted at an upper side in a vehicle vertical direction relative to a pair of side members, the side members being spaced apart in a vehicle width direction at a vehicle front side or a vehicle rear side relative to a passenger compartment; a pair of upper side vehicle body structural members of which at least portions are disposed at outer sides in the vehicle width direction at the upper side in the vehicle vertical direction relative to the side members; and a brace that spans between the pair of upper side vehicle body structural members at the upper side in the vehicle vertical direction relative to the side members, the brace supporting a bottom portion of the power unit at the side thereof that is further from the passenger compartment in the vehicle front-and-rear direction.

There is provided a power unit mounting structure including: a power unit mounted at an upper side in a vehicle vertical direction relative to a pair of side members, the side members being spaced apart in a vehicle width direction at a vehicle front side or a vehicle rear side relative to a passenger compartment; a pair of upper side vehicle body structural members of which at least portions are disposed at outer sides in the vehicle width direction at the upper side in the vehicle vertical direction relative to the side members; and a brace that spans between the pair of upper side vehicle body structural members at the upper side in the vehicle vertical direction relative to the side members, the brace supporting a bottom portion of the power unit at the side thereof that is further from the passenger compartment in the vehicle front-and-rear direction.

A coolant circuit for a drive device. It includes a first coolant sub-circuit and a second coolant sub-circuit, in each of which a device to be temperature-controlled is arranged and which are fluidically connected to one another via at least one connecting valve, wherein at least one coolant pump is provided in each of the two coolant sub-circuits, which is designed in at least one of the coolant sub-circuits as a fluid pump having variable delivery direction. The disclosure furthermore relates to a method for operating a coolant circuit for a drive device.

A combination for transforming a gasoline powered Chevrolet V8 engine into an electrically powered Chevrolet V8 engine is provided, the combination comprising: a faux transmission housing; a bell housing attached to a front end of the faux transmission housing; a faux engine attached to a front of the bell housing; and an electric motor, wherein the combination is free-standing and comprises a plurality of castings assembled to provide a faux transmission case in which the electric motor is housed, and a faux engine case configured to house a plurality of rechargeable batteries.

A robot has an electronic surveillance system embedded within a chassis disposed between two wheels. The wheels include a main body and a plurality of treads. The treads are generally disposed radially around the main body and extend distally from outer portion of the main body. The main body generally defines a plurality of compression cells and may present a substantially frustoconical outer surface.