Abstract: Powertrain, including an inverter unit, inverter housing, electric motor, electric motor housing, and a reducing gear. The inverter unit having an inverter configured for converting direct current to alternating current. The inverter housing defining an inverter housing interior volume accommodating the inverter. The reducing gear unit has a reducing gear and a reducing gear cover surrounding the reducing gear. The reducing gear defines an output reducing gear axis that is parallel to the motor axis. The reducing gear cover and the inverter housing are arranged at opposite ends of the electric motor with respect to the motor axis. The inverter housing includes a cut-out that defines a cut-out region fully contained within a convex hull of the inverter housing, wherein the cut-out region is disjoint from the inverter housing interior volume. The output reducing gear axis passes through the cut-out region without passing through the inverter housing interior volume.

Abstract: A system for determining a relative position and/or a relative distance of a transmitter with respect to a receiver, including: the transmitter for wirelessly emitting signals at the time ti, the receiver or receiving a signal at the time ti+?t, wherein the receiver is configured to determine the following: a signal level P and/or a signal-to-noise ratio SNR of the received signal, a direction of incidence of the received signal and, on the basis of P and E, a relative position POS of the transmitter with respect to the receiver and/or a relative distance D between the transmitter and the receiver, and another transmitter connected to the receiver and intended to wirelessly transmit P, SNR, POS, and/or D to another receiver connected to the transmitter.

Abstract: A secondary circuit device including a secondary coil for transmitting and/or receiving magnetic energy of a magnetic field and converting the magnetic energy into electrical energy, a transmission unit for transmitting the electrical energy, a detection unit, and a clamper circuit, wherein the magnetic field is generated by a primary coil of a primary circuit device; the transmission unit has an inlet for connecting the secondary coil; the transmission unit has an outlet for providing the electrical energy as voltage and/or current; the detection unit is connected to the inlet and/or the outlet of the energy transmission unit, in order to detect an overvoltage at the inlet and/or the outlet; and, when the overvoltage is detected, the detection unit is configured to influence the magnetic field in the secondary coil via the clamper circuit such that a current jump and/or a voltage jump is brought about in the primary coil.

Abstract: A system for charging an energy store in a vehicle and a method for operating the system, wherein the system includes a first transmission unit having a primary coil, arranged outside the vehicle in a stationary manner, and a second transmission unit having a secondary coil, arranged in the vehicle, wherein energy is transmitted via inductive energy transmission from the primary coil to the secondary coil to charge the energy store. The second transmission unit has a signal generator for generating and coupling signals into the secondary coil for transmission via the secondary coil, and the first transmission unit has an evaluation unit, a first auxiliary coil, and a second auxiliary coil, wherein the evaluation unit is designed to ascertain a magnetic coupling and/or a relative position between the first transmission unit and the second transmission unit based on the signals received by the primary coil and the auxiliary coils.

Abstract: A module for contactless inductive energy transfer, including a coil that includes a magnetic core to emit or receive electrical energy using inductive coupling, wherein the magnetic core includes a hole that forms a communication channel, and a wireless communication device that includes an antenna, the antenna installed in a region of the hole and configured to transmit and receive signals via the communication channel, wherein an opposite pole of the antenna is designed as a shield that is configured to shield electronics from a magnetic file generated by the electrical energy emitted or received by the coil via the inductive coupling.

Abstract: A base station for a power transmission system the base station including a generator for generating power having a duty ratio and frequency, a circuit having a coil, a measuring device for measuring real power and/or apparent power in the circuit, and a control device, wherein the circuit is connected to the generator and the measuring device, wherein the control device is connected to the measuring device and the generator, wherein the control device is configured to keep the duty ratio constant while varying the frequency from a starting frequency, use the measuring device to measure the real power and/or the apparent power while varying the frequency, keep the frequency constant and vary the duty ratio when a real power limit value and/or apparent power limit value is/are exceeded, and exclude a combination of values for the frequency and the duty ratio when varying the frequency and/or the duty ratio.

Abstract: A method of testing an impedance-sensitive system with a switching device, wherein the method comprises: switching the disconnecting device into the on-state configured to permit transmission of energy via the coil; implementing a first measurement with the impedance-sensitive system; switching the disconnecting device into the off-state configured to permit damping of the external positioning signal that couples into the coil so as to reduce the undesirable oscillations of the coil; implementing a second measurement with the impedance-sensitive system; performing a comparison of the first measurement and the second measurement; performing a verification of the comparison with a target specification; and displaying a correct function and/or a malfunction depending on the verification.

Abstract: A method for charging a high-voltage battery of an electric vehicle, comprising: providing the high-voltage battery having a nominal battery voltage; providing a charging station outputting a DC charging voltage; selectively pre-charging a second charging terminal of the charging station to a predetermined pre-charge voltage using a controllably limited pre-charge current supplied by electric power from the high-voltage battery.

Abstract: A vehicle module CPM of an inductive vehicle charging system for charging an on-board energy store, wherein the vehicle charging system includes the CPM and at least one base module GPM arranged in a stationary manner, the CPM having: a monitoring device, a secondary coil, a managing device, and a communication device, the monitoring device and the communication device are each connected to the managing device, the secondary coil is designed to receive energy inductively transmitted by the GPM; the monitoring device is designed to ascertain a state Z(t) of the vehicle in which the CPM is installed and/or of the CPM and to transmit information Jo to the managing device in an event of a specifiable state ZStart, the managing device is designed to transmit software SWCPM stored on the managing device and intended for the GPM to the GPM by the communication device after obtaining the information IO.

Abstract: A signal matching apparatus for an evaluation circuit for evaluating an electromagnetic signal for operation in an inductive energy transmission system, the apparatus including a signal transmission device, wherein the signal transmission device includes an antenna connection for connecting a receiving antenna, an evaluation connection for connecting the evaluation circuit for the electromagnetic signal, wherein the antenna connection is configured to receive the electromagnetic signal, wherein the signal transmission device is configured to leave the phase of the electromagnetic signal substantially unchanged and wherein the signal transmission device is configured to match the amplitude of the electromagnetic signal to a characteristic prescribable by the evaluation circuit, wherein the evaluation connection is configured to provide the electromagnetic signal to the evaluation circuit.

Abstract: A switching device for a coil is specified, having an input connection, for connection to a coil electronics system and/or to a resonant circuit capacitor, an output connection, for connection to an end of the coil and/or to a resonant circuit capacitor, and a disconnecting device, wherein the disconnecting device is able to be switched between an on-state and an off-state, the disconnecting device connects the input connection and the output connection to an on-impedance in the on-state, and the disconnecting device connects the input connection and the output connection to an off-impedance in the off-state, the off-impedance has an increased value compared to the on-impedance, the off-impedance permits a flow of current between the input connection and the output connection, and the off-impedance is formed so as to damp at least one external signal of a definable frequency, the external signal being coupled into the coil.

Abstract: A method for charging a high-voltage battery of an electric vehicle, comprising: providing the high-voltage battery having a nominal battery voltage; providing a charging station outputting a DC charging voltage less than the nominal battery voltage; draining current between a first battery terminal and a protective earth terminal such that the voltage between the first battery terminal and the protective earth terminal essentially matches with the voltage between a first charging terminal and the protective earth terminal, and boosting the voltage at a second charging terminal of the charging station to match the charging voltage with the nominal battery voltage.

Abstract: The invention relates to a cooler or cooler body which in particular is adapted for cooling electronic structural units or assemblies.

Abstract: A measuring device for measuring current effective power in a circuit of a transmission system, including an evaluation device and a calibration device, the evaluation device having a connection for measuring current, voltage, and phase shift between the current and the voltage in the circuit, wherein the evaluation device and the calibration device are connected to one another, the evaluation device configured to measure power by evaluating measured current and measured voltage, the calibration device configured to correct the measured current and/or the measured voltage via a cos ( ) value of a measured phase shift between the measured current and the measured voltage and/or via a holding time, the evaluation device configured to calculate a power value with a corrected value of the measured current and/or a corrected value of the measured voltage, and the calibration device configured to make available the calculated power as the current effective power.

Abstract: The invention relates to a rotor for a synchronous drive motor including a plurality of rotor poles, each rotor pole having at least two magnetic layers arranged radially one behind the other, and each magnetic layer comprising a series of magnetic elements, which are formed by injection molding or casting, and solidification of permanent magnetic material in rotor cavities. According to the invention, at least a portion of the magnetic elements each include projections protruding on both sides in their radially inner halves to introduce centrifugal forces of the magnetic elements into the rotor. This ensures an improved possibility of supporting the magnetic elements where sufficient rotor material is available. As a result, it is possible to prevent the radially outer ends of the magnetic elements from abutting the wall of the rotor as a result of centrifugal forces, which reduces the loads and deformations in the webs and bridges between the magnetic elements or to the outer edge of the rotor.

Abstract: The invention relates to a rotor for a synchronous drive motor of an electrically driven motor vehicle having several rotor poles, wherein each rotor pole has at least three magnetic layers arranged radially one after the other with cavities, wherein an outermost magnetic layer includes at least one cavity filled with permanent magnetic material and each further magnetic layer includes at least two cavities filled with permanent magnetic material, furthermore each magnetic layer has an extension of a section of an ellipse, furthermore the central points of all ellipses lie within the smallest ellipse of the outer magnetic layer, wherein each cavity belonging to one of the at least three magnetic layers defines an interface in a radial plane, and each of these interfaces of a magnetic layer of the corresponding ellipse is divided into two partial interfaces, wherein bars made of the rotor material are formed in the second and every other magnetic layer between the cavities, and these bars, at the narrowest poi

Abstract: The invention relates to an inductive power transmission with a resonant circuit, the resonant circuit including a transmitting/receiving coil or a transmitting and receiving coil for transmitting and/or receiving electromagnetic energy, a coupling capacitor, a tuning capacitor, and a switching device, wherein the switching device is connected in series to the coupling capacitor and the tuning capacitor, and wherein, furthermore, the switching device is designed to activate and/or disconnect a signal generator and to modify a quality factor or to modify the resonance frequency of the resonant circuit.

Abstract: The invention relates to an interference suppressor for a direct current circuit, a vehicle component, a high-voltage intermediate circuit and a vehicle. The interference suppressor for a direct current circuit, which comprises two conductors, is characterized in that the interference suppressor comprises a first connection for connecting the interference suppressor to a first conductor of the direct current circuit; a second connection for connecting the interference suppressor to a second conductor of the direct current circuit; a sensor, wherein the sensor can be coupled in noncontact manner to the direct current circuit and is designed to detect the passing of a predetermined limit value of a superimposed alternating voltage in the first conductor of the direct current circuit; and is designed, by impressing a current in the first connection, to reduce the alternating voltage in the first conductor of the direct current circuit substantially to the predetermined limit value.

Abstract: A module for inductive energy transfer, including: a main coil HS enclosed by insulation IS1, with electrical connections A1HS and A2HS routed from/to coil HS by insulation IS1; and an assembly with high-voltage parts HT1 and HT2, and a low-voltage part NT, part HT1 enclosed by insulation IS2HT1 and part HT2 enclosed by insulation IS2HT1 separate from insulation IS2HT2, a connection A1HT routed to a first connection of coil HS, a first electrical supply routed from part NT to part HT1 by insulation IS2HT1, a connection A2HT routed to a second connection of coil HS, and a second electrical supply routed from part NT to part HT2 by insulation IS2HT2, wherein connections A1HS-A1HT are electrically connected and enclosed by insulation IS3A1 that is in contact with insulations IS1 and IS2HT1, and connections A2HS-A2HT are electrically connected and enclosed by insulation IS3A2 that is in contact with insulations IS1 and IS2HT2.

Abstract: A method for charging a high-voltage battery of an electric vehicle, comprising: providing the high-voltage battery having a nominal battery voltage; providing a charging station outputting a DC charging voltage; selectively pre-charging a second charging terminal of the charging station to a predetermined pre-charge voltage using a controllably limited pre-charge current supplied by electric power from the high-voltage battery.