Patents by Inventor Maximilian Barkow

Maximilian Barkow has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12097769
    Abstract: An apparatus and a method for influencing electromagnetic forces of an electric traction motor, a higher-order harmonic (336) being superimposed on an actuating variable (udq) for the electric traction motor in a manner which is dependent on a rotational speed of the electric traction motor, a torque of the electric traction motor, a temperature at the electric traction motor, or a three-phase current or a three-phase voltage of the electric traction motor for the generation of a resulting actuating variable (uabc), the electric traction motor being actuated in a manner which is dependent on the resulting actuating variable (uabc), and the actuating variable (udq), the harmonic (336) and the resulting actuating variable (uabc) characterizing an actuating current or an actuating voltage.
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: September 24, 2024
    Assignee: Dr. Ing. h.c. F. Porsche AG
    Inventors: Maximilian Barkow, Robert Nelles, Hugo Kock, Jan Naegelkraemer
  • Patent number: 12072355
    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.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: August 27, 2024
    Assignee: DR. ING. H.C. F. PORSCHE AKTIENGESELLSCHAFT
    Inventors: Patrick Fuchs, Maximilian Barkow, Timijan Velic, Sebastian Wachter
  • Patent number: 11996349
    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).
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: May 28, 2024
    Assignee: Dr. Ing. h. c. F. Porsche AG
    Inventors: Maximilian Barkow, Patrick Fuchs, Sebastian Wachter
  • Patent number: 11946952
    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.
    Type: Grant
    Filed: June 20, 2022
    Date of Patent: April 2, 2024
    Assignee: DR. ING. H.C. F. PORSCHE AKTIENGESELLSCHAFT
    Inventors: Patrick Fuchs, Maximilian Barkow, Timijan Velic, Sebastian Wachter
  • Publication number: 20230422434
    Abstract: An apparatus including a first housing and a pulse inverter, wherein the pulse inverter is arranged in the first housing, and includes first high-voltage components. The first housing includes a first coolant chamber and a second coolant chamber. The second coolant chamber is fluidically isolated from the first coolant chamber. The first coolant chamber includes a first coolant. The first coolant is a dielectric coolant. The first high-voltage components are arranged in the first coolant chamber. The first housing includes a first coolant port and a second coolant port. The first coolant port is in fluid communication with the second coolant port via the second coolant chamber in order to allow a fluid flow of a second coolant from the first coolant port via the second coolant chamber to the second coolant port.
    Type: Application
    Filed: June 20, 2023
    Publication date: December 28, 2023
    Inventors: Maximilian BARKOW, Daniel KNOBLAUCH, Timijan VELIC, Jonas OTTOLIN
  • Publication number: 20230363122
    Abstract: A pulse inverter includes a pulse inverter housing, in which at least one power electronics is provided, wherein at least the pulse inverter housing is configured to be cooled by a flowing coolant through housing means. The power electronics includes at least one controller, a gate driver, and a semiconductor element. For switching a semiconductor element, the gate driver provides a turn-on voltage UGS and a turn-off voltage U0 and is actuatable by the controller for this purpose. The controller includes control means, via which a withstand voltage UR<UGS is adjustable, whereby a power dissipation PV can be generated, causing the power electronics and/or the coolant to heat up.
    Type: Application
    Filed: May 2, 2023
    Publication date: November 9, 2023
    Inventors: Timijan VELIC, Maximilian BARKOW, Pascal HEUSLER, Stefan GATZEMANN, Jannik MAIER
  • Publication number: 20230343688
    Abstract: A power semiconductor module includes a first and second insulating substrate, which is arranged parallel to and at a distance from the first insulating substrate. The first insulating substrate and the second insulating substrate each include an insulating layer, an inner metallization layer, and an outer metallization layer. The power semiconductor module also includes a first cooling device, which is arranged thermally conductively on the outer metallization layer of the first insulating substrate, a second cooling device, which is arranged thermally conductively on the outer metallization layer of the second insulating substrate. The power semiconductor module also includes a power semiconductor, arranged between the first insulating substrate and the second insulating substrate.
    Type: Application
    Filed: April 19, 2023
    Publication date: October 26, 2023
    Inventors: Maximilian BARKOW, Patrick FUCHS, Timijan VELIC, Bernd ECKARDT, Maximilian HOFMANN, Hubert RAUH, Andre MUELLER, Benjamin BAYER, Jordan SORGE
  • Publication number: 20230326683
    Abstract: A film capacitor including a core, a plurality of film layers wrapped around the core, and at least one first spacer arranged between two first film layers of the plurality of film layers, wherein an interstice configured outside of a spacer cross-section is provided between the two first film layers by the at least one first spacer. (FIG.
    Type: Application
    Filed: March 27, 2023
    Publication date: October 12, 2023
    Inventors: Maximilian BARKOW, Timijan VELIC, Karl DUMS
  • Patent number: 11757389
    Abstract: A method for noise reduction of a three-phase-driven electrical machine includes recording an angular state of a rotor of the electrical machine, calculating a reference frequency on the basis of the recorded angular state, forming a sine and cosine value of the calculated reference frequency, and filtering the sine and cosine value. The method may also include recording a sound-related feedback variable, forming a weighting vector, forming a superposition signal, and applying the superposition signal to a manipulated variable of the electrical machine.
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: September 12, 2023
    Assignee: DR. ING. H.C. F. PORSCHE AKTIENGESELLSCHAFT
    Inventors: Jan Naegelkraemer, Maximilian Barkow
  • Publication number: 20230191927
    Abstract: A switching arrangement for a motor vehicle powered at least partially electrically, including at least one inverter for converting a DC voltage of a high-voltage battery into a multi-phase AC voltage for a travel drive, at least one intermediate circuit capacitor connected to the inverter, and at least one pre-charge resistor, wherein, in a pre-charge mode, the pre-charge resistor serves to prevent current spikes during charging of the at least one intermediate circuit capacitor and, in a heating mode, serves for heating a coolant, wherein electrical current flows through the inverter in both the pre-charge mode as well as in the heating mode.
    Type: Application
    Filed: December 16, 2022
    Publication date: June 22, 2023
    Inventors: Maximilian BARKOW, Timijan VELIC, Jannik MAIER
  • Publication number: 20230059583
    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.
    Type: Application
    Filed: August 9, 2022
    Publication date: February 23, 2023
    Inventors: Patrick Fuchs, Maximilian Barkow, Timijan Velic, Sebastian Wachter
  • Publication number: 20230057989
    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.
    Type: Application
    Filed: August 8, 2022
    Publication date: February 23, 2023
    Inventors: Pascal Heusler, Patrick Fuchs, Karl Dums, Maximilian Barkow, Timijan Velic
  • Publication number: 20230030764
    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.
    Type: Application
    Filed: July 27, 2022
    Publication date: February 2, 2023
    Inventors: Timijan Velic, Patrick Fuchs, Maximilian Barkow
  • Publication number: 20230031138
    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.
    Type: Application
    Filed: July 20, 2022
    Publication date: February 2, 2023
    Inventors: Sebastian Wachter, Maximilian Barkow, Patrick Fuchs, Timijan Velic
  • Publication number: 20230028938
    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.
    Type: Application
    Filed: July 14, 2022
    Publication date: January 26, 2023
    Inventors: Timijan Velic, Maximilian Barkow, Patrick Fuchs
  • Publication number: 20230024031
    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.
    Type: Application
    Filed: July 19, 2022
    Publication date: January 26, 2023
    Inventors: Maximilian Barkow, Patrick Fuchs, Timijan Velic
  • Publication number: 20220404397
    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.
    Type: Application
    Filed: June 20, 2022
    Publication date: December 22, 2022
    Inventors: Patrick Fuchs, Maximilian Barkow, Timijan Velic, Sebastian Wachter
  • Publication number: 20220352788
    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.
    Type: Application
    Filed: April 25, 2022
    Publication date: November 3, 2022
    Inventors: Maximilian Barkow, Patrick Fuchs, Sebastian Wachter, Daniel Knoblauch
  • Publication number: 20220247334
    Abstract: A method for noise reduction of a three-phase-driven electrical machine includes recording an angular state of a rotor of the electrical machine, calculating a reference frequency on the basis of the recorded angular state, forming a sine and cosine value of the calculated reference frequency, and filtering the sine and cosine value. The method may also include recording a sound-related feedback variable, forming a weighting vector, forming a superposition signal, and applying the superposition signal to a manipulated variable of the electrical machine.
    Type: Application
    Filed: January 28, 2022
    Publication date: August 4, 2022
    Inventors: Jan Naegelkraemer, Maximilian Barkow
  • Publication number: 20210351107
    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).
    Type: Application
    Filed: February 22, 2021
    Publication date: November 11, 2021
    Inventors: Maximilian Barkow, Patrick Fuchs, Sebastian Wachter