Abstract: An electric machine including a pulse inverter having a region with an oil space and busbars, wherein the electric machine is electrically connected to the pulse inverter by the busbars such that the busbars are electrically connected to a connection of the pulse inverter, wherein the busbars and the electric machine are cooled by oil, and wherein the oil for supplying and cooling the busbars is stored within the oil space in the region of the pulse inverter.

Abstract: A drive unit for an electric vehicle, including an electric machine, a gear mechanism, a housing, wherein the electric machine and the gear mechanism are arranged in an interior of the housing, and a receiving apparatus for a pulse inverter module, wherein the housing has an opening and the receiving apparatus is arranged in the interior of the housing directly behind the opening.

Abstract: An electrical apparatus, including a first housing having a fluid-filled or fluid-perfused wet space and a dry space that are separated from one another by a wall, wherein the wall includes an opening, one or more power-conducting and/or power-switching elements arranged in the wet space, and a control electronics for the one or more power-switching elements arranged in the dry space. The electrical apparatus includes a second housing extending from the opening into the wet space, wherein the second housing reaches up to or encloses a power-conducting element, and a sensor arranged in the second housing, the sensor being configured to measure a variable that depends on an electrical power flowing through the power-conducting element. The second housing seals the opening in the wall in a fluid-tight manner. Measured values or signals of the sensor conducted by lines are passed through the opening into the dry space.

Abstract: A liquid-cooled power electronics unit includes a planar circuit board body having conductor tracks, a wet side with a wet space for carrying a dielectric cooling liquid, and a fluidically, separated dry side, wherein at least two high-voltage power semiconductors are arranged on the circuit board body on the wet side within the wet space, the high-voltage power semiconductors being cooled by the cooling liquid, and an electronic low-voltage circuit is arranged on the dry side of the circuit board body.

Abstract: An apparatus for measuring a flow of current through at least one electrical conductor of an electrotechnical device which is disposed in a cooling channel, wherein a non-conductive cooling medium flows through the cooling channel during operation of the electrotechnical apparatus, the apparatus including a flux conductor which is disposed around the at least one electrical conductor, and an evaluation circuit which is coupled to the flux conductor and is configured to determine the flow of current through the at least one electrical conductor by evaluating an electrical parameter of the flux conductor, wherein at least a part of the flux conductor is disposed in the cooling channel.

Abstract: An inverter (1) for operating an electrical machine (10) has at least one power semiconductor (2) and a drain contact (5) arranged on an underside of the power semiconductor (2). The drain contact (5) is arranged in a coolant channel (6) for impingement by a coolant. Also proposed are a drivetrain (20) and a motor vehicle (100).

Abstract: A measurement arrangement, including a current line, a first measurement location provided on the current line, a second measurement location provided on the current line, and a coolant, wherein the second measurement location is provided at a distance from the first measurement location in order to make it possible to measure a voltage in a measurement section of the current line arising due to a current flowing through the current line, wherein the measurement section is defined between the first measurement location and the second measurement location, and wherein the coolant is of fluid form and at least in areas is in direct contact with the current line in an area between the first measurement location and the second measurement location.

Abstract: An apparatus for measuring a flow of current through at least one electrical conductor of an electrotechnical device which is disposed in a cooling channel, wherein a non-conductive cooling medium flows through the cooling channel during operation of the electrotechnical apparatus, the apparatus including a flux conductor which is disposed around the at least one electrical conductor, and an evaluation circuit which is coupled to the flux conductor and is configured to determine the flow of current through the at least one electrical conductor by evaluating an electrical parameter of the flux conductor, wherein at least a part of the flux conductor is disposed in the cooling channel.

Abstract: A pulse inverter for operating an electric machine of a motor vehicle from a motor vehicle battery, including a housing for delimiting an interior, a power electronics system, provided in the interior of the housing, for converting direct current to alternating current, a first cooling circuit configured to dissipate heat from an outer side of the housing facing away from the power electronics system, and a second cooling circuit, which is separated from the first cooling circuit and communicates with the interior of the housing, configured to directly liquid-cool the power electronics system with an electrically insulating fluid. (FIG.

Abstract: A drive unit for an electric vehicle, including an electric machine, a gear mechanism, a housing, wherein the electric machine and the gear mechanism are arranged in an interior of the housing, and a receiving apparatus for a pulse inverter module, wherein the housing has an opening and the receiving apparatus is arranged in the interior of the housing directly behind the opening.

Abstract: An electric machine including a pulse inverter having a region with an oil space and busbars, wherein the electric machine is electrically connected to the pulse inverter by the busbars such that the busbars are electrically connected to a connection of the pulse inverter, wherein the busbars and the electric machine are cooled by oil, and wherein the oil for supplying and cooling the busbars is stored within the oil space in the region of the pulse inverter.

Abstract: A high-voltage component for a high-voltage on-board electrical system of an at least partly electrically operated motor vehicle, including at least one housing device for at least one power electronics device of the high-voltage on-board electrical system, wherein the housing device at least partly provides at least one shielding device for reducing effects of electromagnetic interference, and wherein the shielding device includes at least one electrically non-conductive housing body of the housing device and at least one electrical discharge path arranged at least partly on and/or in the housing body and configured to connect to a vehicle reference potential.

Abstract: A capacitor is disclosed that includes a plurality of electrically conductive capacitor layers wound around a winding center and a cooling channel, wherein the cooling channel is disposed between the capacitor layers, and wherein the cooling channel is electrically conductive. A system and a motor vehicle that includes the capacitors is also disclosed.

Abstract: A measurement arrangement, including a current line, a first measurement location provided on the current line, a second measurement location provided on the current line, and a coolant, wherein the second measurement location is provided at a distance from the first measurement location in order to make it possible to measure a voltage in a measurement section of the current line arising due to a current flowing through the current line, wherein the measurement section is defined between the first measurement location and the second measurement location, and wherein the coolant is of fluid form and at least in areas is in direct contact with the current line in an area between the first measurement location and the second measurement location.

Abstract: A drive system for an electric vehicle includes: drive components, including: a traction battery; an inverter; and an electric machine. The traction battery is electrically connected to the electric machine by the inverter. The traction battery is electrically connected to the inverter and the inverter is electrically connected to the electric machine in each case by high-voltage connecting elements. The drive system has a cooling circuit cools the drive components by a cooling medium. The drive components and the high-voltage connecting elements are each formed so as to convey cooling medium and form a part of the cooling circuit.

Abstract: An inverter (1) for operating an electrical machine (10) has at least one power semiconductor (2) and a drain contact (5) arranged on an underside of the power semiconductor (2). The drain contact (5) is arranged in a coolant channel (6) for impingement by a coolant. Also proposed are a drivetrain (20) and a motor vehicle (100).

Abstract: In a method for protecting vehicle occupants in the passenger compartment of a vehicle, particularly a motor vehicle. It is provided as essential to the invention that at least one structure-borne sound signal is captured by at least one structure-borne sound sensor, the captured structure-borne sound signal is evaluated by at least one evaluation device, the structure-borne sound signal can be produced by at least one person located in the passenger compartment of the vehicle, and after the capture and evaluation of the structure-borne sound signal at least one control signal is sent to a triggering device of an air supply device to introduce air into the passenger compartment of the vehicle.

Abstract: In a method for wireless communication between a vehicle, particularly a motor vehicle, and an external service facility, wherein at least one communication signal is sent to the vehicle by the service facility, it is provided as essential for the purposes of the invention that the communication signal is a sound signal, and that the communication signal is captured by at least one structure-borne sound sensor installed in the vehicle.

Abstract: With a method for detecting a contact event on the outer shell of a vehicle, wherein at least one structure-borne sound signal is detected by means of a structure-borne sound sensor, the detected structure-borne sound signal is evaluated by an evaluation device, and wherein the vehicle comprises a number of structure-borne sound sensors, it is provided as essential to the invention that each of the structure-borne sound sensors is associated with an area of the vehicle outer shell via a structure-borne sound conducting link, that an evaluation device is used to ascertain, by which of the structure-borne sound sensors respectively, a structure-borne sound signal has been detected, that conclusions are drawn from the association of the structure-borne sound sensors as to the area of the vehicle outer shell which has been touched, and that conclusions are drawn from the area of the vehicle shell which has been touched, as to the kind of underlying contact.

Abstract: A charger for a motor vehicle and to a method for charging an energy store of the motor vehicle.