Abstract: A drive arrangement for a bicycle or pedelec includes a manual drive shaft (1) in a housing (2). A rotor (3) of a first electric drive (EM 1) is arranged axially parallel to the manual drive shaft (1), and a rotor (4) of a second electric drive (EM2) is arranged coaxially to the manual drive shaft (1). The rotor (3) of the first electric drive (EM 1) is coupled to a first planetary gear set (PS 1) as a superposition gearbox via a first fixed ratio. The rotor (4) of the second electric drive (EM 2) is coupled to the manual drive shaft (1) via a second fixed ratio. The manual drive shaft (1) is coupled to the first planetary gear set (PS 1) as the superposition gearbox, and the first planetary gear set (PS 1), as the superposition gearbox, is coupled to an output (5).

Abstract: A power electronics module includes a printed circuit board populated with numerous components of the power electronics module. Power semiconductors and DC and AC connecting elements are either placed adjacently to one another on an organic insulator, and each thermally and mechanically connected to a heat sink through the organic insulator, or the DC and AC connecting elements are placed between the power semiconductors and the heat sink and are thermally and mechanically connected to the heat sink and to the power semiconductors.

Abstract: An inductor includes a winding that has a predefined inductance, a soft magnetic winding core, and a housing that has a cooling surface for discharging heat from the inductor. This housing encases the winding.

Abstract: An electric machine for driving a motor vehicle has a rotor with a rotor shaft (3), an axially fixed bearing, an axially floating bearing (5), a machine housing (7), a securing pin (19) and a protective element (24). The axially fixed bearing is fitted into the electric machine (1) rotationally fixed and not able to move in an axial direction (x) of the electric machine (1), whereas the axially floating bearing (5) is fitted in the machine housing (7) so that it can move in the axial direction (x). The securing pin (19) is designed to prevent an outer ring (10) of the floating bearing (5) from rotating in its circumferential direction (U) relative to the machine housing (7). The protective element (24) is designed to prevent the securing pin (19) from being driven into the machine housing (7) and blocking the floating bearing (5).

Abstract: A continuously variable power-branched transmission has a shaft (4) that can be coupled to a drive motor, where the drive motor is connected to at least one variator (1). In order to obtain forward and reverse driving operation, the drive motor is coupled by way of spur gear pairs that can be engaged by means of driving direction clutches (KV, KR) to a drive output (13). The driving direction clutches (KV, KR) are arranged a distance apart.

Abstract: A storage choke assembly for a multi-phase DC-to-DC converter for converting a DC input voltage to a DC charging voltage for charging a vehicle battery in an electric vehicle, fuel cell vehicle, or hybrid vehicle, includes a storage choke that has one or more coils, and a housing in which the storage choke is accommodated, wherein the housing has a first housing section and a second housing section, wherein the first housing section is made of a first thermosetting plastic and is in direct contact with one or more coils, wherein the second housing section is made of a second thermosetting plastic, wherein the first thermosetting plastic has a higher thermal conductivity than the second thermosetting plastic.

Abstract: A high-current element for high-current printed circuit boards is formed from at least two metal sheets which are connected to form a sheet-metal stack and which have a plurality of pins at least at an end region thereof, and wherein the sheet-metal stack has a terminal region, a pin region, and a connection region, and wherein the metal sheets are connected to one another in the connection region, and the pins are arranged in the pin region and formed for contacting with the high-current printed circuit board, and the terminal region is set up to be used as a terminal region for connecting the high-current element to external power terminals.

Abstract: A symmetrical DC-to-DC boost converter includes a DC input voltage source with a negative DC voltage input and a positive DC voltage input, a negative DC and positive DC voltage output, at least four switches, and two chokes, one of which is connected to the negative DC voltage input and two adjacent switches, and the other of which is connected to the positive DC voltage input and two other adjacent switches, such that a symmetrical topology with separate DC voltage inputs is obtained. Furthermore, there is an input capacitor between the voltage inputs and a first symmetry capacitor connected to the negative DC voltage input and the negative DC voltage output, as well as a second symmetry capacitor connected to the positive DC voltage input and the positive DC voltage output.

Abstract: A capacitor unit for a power converter, wherein the capacitor unit has a first busbar and a second busbar, and at least one capacitor element placed in between the first busbar and the second busbar, wherein the capacitor element is electrically connected to the first busbar at a first side, and wherein the capacitor element is electrically connected to the second busbar at a second side, lying opposite the first side, and a cooling device, wherein the cooling device is thermally coupled to the first busbar with a surface area contact, wherein the cooling device is designed to remove heat from the first busbar.

Abstract: A cooling device for a power converter for a vehicle includes a heat sink having a heat discharging structure on a first side for discharging heat acting on the heat sink, and a connecting surface on the second side opposite the first side for absorbing heat from a semiconductor connected to the connecting surface, wherein the semiconductor has a discharge surface for discharging heat to the connecting surface, and an insulating layer having a polymer with ceramic particles that is located between the connecting surface on the heat sink and the discharge surface on the semiconductor, and is designed to mechanically and thermally connect the heat sink to the semiconductor and to insulate them from one another.

Abstract: A link capacitor for a motor vehicle has a housing, a first busbar and a second busbar for electrical contact to the link capacitor, and at least one coupling element. The housing accommodates a winding for the link capacitor. The first busbar and second busbar are connected to the winding. The coupling element is on the housing and designed to couple the link capacitor to an adjacent link capacitor and/or to a support element.

Abstract: The invention relates to a method on a radar measuring system for determining a uniform speed, in which method two antenna pairs, each consisting of a transmitting antenna and a receiving antenna, are mapped to the same position within a virtual antenna arrangement.

Abstract: A power distribution includes first and second inputs, first and second outputs, and a third output configured to connect to a low-voltage vehicle power supply, a high-voltage distributor is connected to the first input and forms the connection between the energy storage and further components of the power distribution. A controller monitors at least the high-voltage distributor and can control components of the power distribution. At least one inverter is arranged in the current path between the high-voltage distributor and at least one of the contacts for the first output, the second output or the second input, a first converter is arranged between the high-voltage distributor and the third output and converts a DC voltage provided by the high-voltage distributor to a lower DC voltage.

Abstract: The disclosure relates to a device for deburring at least one borehole opening of a metal workpiece, wherein the device has a rotationally symmetrical countersink bit. The countersink bit of the device is designed to remove at least one burr of the at least one borehole opening. The countersink bit can be introduced into an opening forming the at least one borehole opening and rotated. The disclosure also relates to a corresponding method.

Abstract: A multipoint link for an undercarriage of a vehicle, having a core element formed from a foamed material and at least one roving of bundled continuous filaments wound around the core element, the at least one roving winding around the core element in at least one layer forming an outer layer of the multipoint link. The recesses serving to guide the at least one roving to be laid by winding are incorporated in the surface of the core element.

Abstract: A method for operating a drive train of a working machine, wherein a traction drive of the drive train is driven by an electric traction motor via a transmission and wherein, when a gear stage of the transmission is changed, a rotational speed of the traction motor is synchronised with the gear stage being engaged. The method further includes a computational model of the traction motor that is used for the rotational speed synchronisation. The model, taking into account a moment of inertia of the traction motor, describes a torque to be delivered for the rotational speed synchronisation. A corresponding drive train and a working machine is also disclosed.

Abstract: A method for manufacturing a terminal apparatus for connecting at least one electrical or electronica component for an electrical or electronic module includes bending a pre-machined sheet metal element, having a first electric terminal device for connecting to a first electrical potential, a control terminal having at least one control contact, and a second electric terminal device arranged between the first electric terminal device and the control terminal for connecting to a second electrical potential, wherein the second electric terminal device has a path section including a first path for contact-connection with a terminal for the second electrical potential of the electrical or electronic component, and at least one second path arranged in parallel with the first path, and wherein a first bending section of the first path is bent into a lower plane than a second bending section of the second path in order to form the terminal apparatus.

Abstract: A method for manufacturing a terminal apparatus for connecting a component for an electrical module includes bending a pre-machined sheet metal element, having a first electric terminal device for connecting to a first potential, a control terminal having a control contact, and a second electric terminal device arranged between the first electric terminal device and the control terminal and separated from the first electric terminal device by a gap, and for connecting to a second electrical potential, further having a path section including a first path for contact-connection with a terminal for the second electrical potential of the component, and a second path arranged in parallel with the first, and wherein an edge region of the sheet metal is bent such that the first electric terminal device and the path section are brought together such that the first electric terminal device and the path section overlap.

Abstract: A power module for a current converter for an electric drive of a motor vehicle comprises a termination substrate having electrical contact portions that are electrically isolated from one another, a plurality of power semiconductor elements arranged on the termination substrate, each having a first terminal, a second terminal, and a control terminal, the first terminals of all the power semiconductor elements being electrically connected to a first contact portion of the termination substrate.

Abstract: A device for detecting airborne sound for use in automobiles may include an acoustic sensor, a protective screen for protecting the device against the ingress of coarse foreign matter, an acoustically permeable, hydrophobic and/or lipophobic first membrane, which is placed behind the protective screen in the airflow direction such that when a stream of water enters the opening, the water flows past the first membrane and out of the opening, a sound chamber parallel to the axial axis, wherein a length of the sound chamber is less than 10 mm, preferably less than 6 mm, particularly preferably less than 3 mm, and a printed circuit board comprising components and their connections for preprocessing analog or digital signals from the acoustic sensor, and wherein the acoustic sensor is located on one side of the printed circuit board.