Abstract: The invention relates to a cooling device with at least one first cooling duct element comprising at least one first cooling duct, and at least one second cooling duct element comprising at least one second cooling duct, where the first and the second cooling duct element each have a circular arc-shaped basic shape around a central axis of the cooling device. The first cooling duct element and the second cooling duct element are arranged concentrically to one another, where the second cooling duct element is arranged with respect to the first cooling duct element in such a way relative to the central axis that the first and the second cooling duct overlie each other along the first and the second cooling duct element at least in part in the radial direction. The invention further relates to a motor housing and a motor unit.

Abstract: The invention relates to a stator for an electric machine, comprising a plurality of rod conductors and a plurality of interconnection pieces. The interconnection pieces each have a curved shape, in particular the shape of a C, extending in the radial direction and about the axis of rotation of the stator; in order to form respective interconnection planes along the axis of rotation, each group of interconnection pieces is arranged in the region of at least one short end of the rod conductors of the associated group of rod conductors that are to be electrically connected. The invention further relates to a connection component and an electric machine.

Abstract: The present invention relates to a method for the thermal treatment of a compressed strand, where the thermal treatment of the compressed strand is carried out in a state installed as intended in a component of an electric motor, to a method for producing an electric motor with at least one component having at least one compressed strand, the compressed strand being thermally treated according to the invention, and to a method for producing a motor vehicle with an electric motor, the electric motor being produced according to the invention.

Abstract: The invention relates to a stator for an electric machine, comprising a plurality of rod conductors and at least one insulation disk that is arranged in an end face region of the stator and includes a plurality of interconnection pieces. Rod conductor contact surfaces and interconnection piece contact surfaces have corresponding shapes such that a planar contact can be created; for this purpose, the interconnection piece protrude from the insulation disk in the radial direction at least along the interconnection piece contact surface such that a plurality of interconnection piece contact surfaces can simultaneously come into contact with the associated rod conductor contact surfaces. The invention further related to an electric machine and to a manufacturing process.

Abstract: The invention relates to an intermediate circuit discharge unit for an intermediate circuit discharge, in particular of a multi-level inverter, having a capacitor and a discharge circuit which is connected in parallel, where the discharge circuit has an active discharge branch with at least one first discharge element and a passive discharge branch with at least one second discharge element. The active discharge branch comprises a first control connection, and the passive discharge branch comprises a second control connection. The active discharge branch is coupled to the passive discharge branch via the first control connection in such a way that the active discharge branch can be controlled by the passive discharge branch, in particular a discharge via the active discharge branch can be activated or deactivated as required. The invention further relates to an electrical assembly, a vehicle, as well as a method.

Abstract: The invention relates to a cooling channel for a winding head of an electric machine, where the cooling channel is formed to be annular for guiding a cooling fluid with at least one inflow and at least one outflow and for being arranged around the winding head With the aim of an improved sealing property, the cooling channel comprises an axially movable pressing member which is arranged such that a cooling fluid can flow onto the pressing member and a pressing force against the cooling channel can be generated.

Abstract: The invention refers to a housing assembly for an electric drive or an electric drive unit, in particular of a motor vehicle, comprising a housing, a cooling fluid and an inverter, the housing forming a cooling circuit for receiving the cooling fluid with at least one first recess and the inverter having at least one capacitor assembly which is provided for arrangement in the first recess of the housing. The capacitor assembly is formed with at least one capacitor, in particular a wound capacitor, a shell for receiving the capacitor and a thermal conduction element, in particular a thermally conductive resin, for embedding the capacitor in the shell. The capacitor assembly can be coupled directly to the shell. Furthermore, the invention refers to a motor and a vehicle.

Abstract: The present invention relates to a method for producing a compressed strand (F) from a wire, comprising at least the method steps of: a) shaping said wire (1) into at least one half-loop, ring, or coil in a shaping device (2); b) acting upon said at least one ring, half-loop or coil with adhesive (7); c) twisting said at least one half-loop, ring, or coil into a wire packet (1?) in a twisting device (4); d) compacting said wire packet (D) in a compacting device (5), as well as to a method for producing an electric motor, in particular a traction motor for a motor vehicle, comprising a stator (S), where the stator is equipped with at least one compressed strand (F), where the compressed strand (F) is produced according to the method of at least one of the preceding claims, as well as to the use of a compressed strand (F) in an electric motor, in particular in a traction motor for a motor vehicle, characterized in that it is a compressed strand (F) according to at least one of the preceding claims.

Abstract: The invention relates to a method for producing stranded wires, including the steps of applying an insulation layer to lines, separating the insulated lines, individually removing the insulation layer from the separated lines along a partial length of the lines, and bringing the lines together to form a stranded wire, wherein the partial lengths are arranged at the same level at least in sections for the purpose of forming a non-insulated contact region.

Abstract: An axle drive unit may be employed by an electrically-driven motor vehicle having at least one drive axle. The axle drive unit may have at least one electric motor for generating a drive torque and at least one gearing (or transmission) for transmitting the drive torque to the drive axle. The electric motor and the gearing may form a structural unit. In short, the axle drive unit allows a drive train of a motor vehicle to have the simplest, weight-saving construction possible. Power electronics and an inductive charging receiver for a battery system may be integrated into the structural unit. The power electronics may be electrically connected to the inductive charging receiver and may be tuned to rectify an alternating voltage that can be induced in the inductive charging receiver.

Abstract: An axle drive unit may be employed by an electrically-driven motor vehicle having at least one drive axle. The axle drive unit may include at least one electric motor for generating a drive torque and at least one gearing (or transmission) for transmitting the drive torque to the drive axle. The electric motor and the gearing may form a structural unit. The axle drive unit allows a drive train of a motor vehicle to have the simplest, weight-saving construction possible. To achieve this, power electronics and an electromechanical service brake system may be integrated into the structural unit. The electromechanical service brake system may be configured as an inboard service brake system for transmitting braking power to the drive axle.