Patents by Inventor Michael Wortberg
Michael Wortberg 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).
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Patent number: 11955790Abstract: An electronic fuse circuit for safeguarding a multi-channel electronic power distributor includes a driver circuit for each channel of the power distributor configured to control an electronic switch of a corresponding channel to assume a certain state, and a microcontroller interface configured to receive from a microcontroller a command for setting the state of the electronic switch of a corresponding channel. The driver circuit of the corresponding channel is configured to set the state of the electronic switch of the corresponding channel according to the command from the microcontroller. The electronic fuse circuit further includes a safety circuit for detecting a malfunction in the microcontroller and/or the power distributor. In the event of a detected malfunction in the microcontroller and/or the power distributor, the driver circuit of each channel is configured to set the state of the electronic switch of the corresponding channel according to a channel-specific preconfigured safety state.Type: GrantFiled: May 19, 2022Date of Patent: April 9, 2024Assignee: Lisa Draexlmaier GmbHInventor: Michael Wortberg
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Patent number: 11904782Abstract: A network for a vehicle and a method of making the network is described. The network is suitable for a number of vehicle network subscribers in at least two topology levels which can be distinguished spatially or functionally. An energy supply device, at least one control unit, at least one interface module, a communication interface; a number of load interfaces, at least one load interface, at least one matrix coupler are provided. The matrix coupler is set up to represent an unbundling task for linking the vehicle network subscribers, where nodes of a line-connector relationship of the graph representing the matrix-coupler in each case denotes a load interface of the number of load interfaces at the end of a line. Here, an edge of the graph denotes a connection relationship of at least one line between a first load interface and a second load interface.Type: GrantFiled: November 12, 2019Date of Patent: February 20, 2024Assignee: LISA DRAXLMAIER GMBHInventors: Michael Wortberg, Dominik Eberl
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Patent number: 11791654Abstract: A battery system for an electric vehicle is disclosed having a first battery connectable to a first electric drive; a second, redundant battery, connectable to a second, redundant electric drive; and an electronic power switch having a first input terminal, a second input terminal, and an output terminal, the first input terminal being electrically connected to the first battery, the second input terminal being electrically connected to the second battery, and the output terminal being electrically connectable to an electrical accessory, the electronic power switch being configured to selectively and electrically connect the output terminal to the first input terminal or the second input terminal to provide electrical power from the first battery or the second battery to the electrical accessory.Type: GrantFiled: January 22, 2022Date of Patent: October 17, 2023Assignee: LISA DRÄXLMAIER GMBHInventor: Michael Wortberg
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Patent number: 11757678Abstract: A distributor device and a method for a data network in a motor vehicle includes a number of first communications interfaces which can be coupled to communications partners of a first priority and a number of second communications interfaces which can be coupled to communications partners of a second priority. The second priority is lower than the first priority. The distribution device further includes a coupling device configured to couple together the first communications interfaces and the second communications interfaces, such that they communicate together, and a monitoring device configured to monitor communication along the second communications interfaces, and in the event of a communications error on one of the second communications interfaces to disconnect at least the first communications interfaces from the corresponding second communications interface so as to interrupt the communications.Type: GrantFiled: November 22, 2021Date of Patent: September 12, 2023Assignee: Lisa Draexlmaier GmbHInventors: Ulrich Egenhofer, Michael Wortberg
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Patent number: 11603053Abstract: The present disclosure relates to an electrical connection arrangement for connecting freely configurable electrical components in a vehicle. The electrical connection arrangement includes a plurality of electrical plug connectors which are connected to each other by a plurality of electrical connection lines of an electrical wiring harness according to a first adjacency criterion, wherein a configuration code according to a second adjacency criterion is assigned to each of the plurality of connectors, where the configuration codes of the connectors indicate a specific configuration of the freely configurable electrical components of the vehicle; and where the plurality of electrical connectors is divided into a plurality of production modules based on a combination of the first adjacency criterion and the second adjacency criterion.Type: GrantFiled: August 17, 2021Date of Patent: March 14, 2023Inventor: Michael Wortberg
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Publication number: 20230025128Abstract: A method for monitoring a switchable semiconductor component having a protective circuit connected in parallel to the semiconductor component includes tapping an electrical variable applied to the semiconductor component and the protective circuit, and detecting damage to the semiconductor component and/or the protective circuit when an electrical variable is greater than a previously known critical value.Type: ApplicationFiled: July 20, 2022Publication date: January 26, 2023Applicant: Lisa Draexlmaier GmbHInventors: Thomas RAPOLDER, Michael WORTBERG
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Publication number: 20220376486Abstract: An electronic fuse circuit for safeguarding a multi-channel electronic power distributor includes a driver circuit for each channel of the power distributor configured to control an electronic switch of a corresponding channel to assume a certain state, and a microcontroller interface configured to receive from a microcontroller a command for setting the state of the electronic switch of a corresponding channel. The driver circuit of the corresponding channel is configured to set the state of the electronic switch of the corresponding channel according to the command from the microcontroller. The electronic fuse circuit further includes a safety circuit for detecting a malfunction in the microcontroller and/or the power distributor. In the event of a detected malfunction in the microcontroller and/or the power distributor, the driver circuit of each channel is configured to set the state of the electronic switch of the corresponding channel according to a channel-specific preconfigured safety state.Type: ApplicationFiled: May 19, 2022Publication date: November 24, 2022Applicant: Lisa Draexlmaier GmbHInventor: Michael WORTBERG
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Publication number: 20220376488Abstract: An electronic power distribution arrangement is disclosed which includes an electrical line for supplying power to a capacitive load; a first electronic switch for fusing the capacitive load; a second electronic switch for precharging the capacitive load prior to switching through the first electronic switch; a resistor connected in series with the second switchable current path of the second electronic switch, the series connection being connected in parallel with the first switchable current path of the first electronic switch; and a controller. The controller is adapted to turn on the second electronic switch to precharge the capacitive load before turning on the first electronic switch to supply power to the capacitive load, and to turn on the first electronic switch only when a voltage across the resistor reaches a threshold value.Type: ApplicationFiled: May 19, 2022Publication date: November 24, 2022Inventor: Michael Wortberg
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Publication number: 20220239148Abstract: A battery system for an electric vehicle is disclosed having a first battery connectable to a first electric drive; a second, redundant battery, connectable to a second, redundant electric drive; and an electronic power switch having a first input terminal, a second input terminal, and an output terminal, the first input terminal being electrically connected to the first battery, the second input terminal being electrically connected to the second battery, and the output terminal being electrically connectable to an electrical accessory, the electronic power switch being configured to selectively and electrically connect the output terminal to the first input terminal or the second input terminal to provide electrical power from the first battery or the second battery to the electrical accessory.Type: ApplicationFiled: January 22, 2022Publication date: July 28, 2022Inventor: Michael Wortberg
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Publication number: 20220118924Abstract: A network for a vehicle and a method of making the network is described. The network is suitable for a number of vehicle network subscribers in at least two topology levels which can be distinguished spatially or functionally. An energy supply device, at least one control unit, at least one interface module, a communication interface; a number of load interfaces, at least one load interface, at least one matrix coupler are provided. The matrix coupler is set up to represent an unbundling task for linking the vehicle network subscribers, where nodes of a line-connector relationship of the graph representing the matrix-coupler in each case denotes a load interface of the number of load interfaces at the end of a line. Here, an edge of the graph denotes a connection relationship of at least one line between a first load interface and a second load interface.Type: ApplicationFiled: November 12, 2019Publication date: April 21, 2022Inventors: Michael WORTBERG, Dominik EBERL
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Publication number: 20220086023Abstract: A distributor device and a method for a data network in a motor vehicle includes a number of first communications interfaces which can be coupled to communications partners of a first priority and a number of second communications interfaces which can be coupled to communications partners of a second priority. The second priority is lower than the first priority. The distribution device further includes a coupling device configured to couple together the first communications interfaces and the second communications interfaces, such that they communicate together, and a monitoring device configured to monitor communication along the second communications interfaces, and in the event of a communications error on one of the second communications interfaces to disconnect at least the first communications interfaces from the corresponding second communications interface so as to interrupt the communications.Type: ApplicationFiled: November 22, 2021Publication date: March 17, 2022Applicant: Lisa Draexlmaier GmbHInventors: Ulrich EGENHOFER, Michael WORTBERG
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Publication number: 20220055551Abstract: The present disclosure relates to an electrical connection arrangement for connecting freely configurable electrical components in a vehicle. The electrical connection arrangement includes a plurality of electrical plug connectors which are connected to each other by a plurality of electrical connection lines of an electrical wiring harness according to a first adjacency criterion, wherein a configuration code according to a second adjacency criterion is assigned to each of the plurality of connectors, where the configuration codes of the connectors indicate a specific configuration of the freely configurable electrical components of the vehicle; and where the plurality of electrical connectors is divided into a plurality of production modules based on a combination of the first adjacency criterion and the second adjacency criterion.Type: ApplicationFiled: August 17, 2021Publication date: February 24, 2022Inventor: Michael WORTBERG
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Patent number: 11199570Abstract: A method and a device for detecting arcs includes current values for each component connected to a node being read-in, the node current and the system current determined using the current values, a correlation factor determined for each current value with the node current as quotient from node current and the respective current value, the individual quotients filtered in order to determine a correction factor for each current value, a corrected node-current equation established, wherein each current value is linked to the correction factor previously determined, in order to determine a corrected value of the node evaluation, and finally a trigger threshold is set using the corrected node-current equation.Type: GrantFiled: January 17, 2020Date of Patent: December 14, 2021Assignee: LISA DRAEXLMAIER GMBHInventor: Michael Wortberg
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Patent number: 11195639Abstract: The present disclosure provides a conductor arrangement for transmitting differential communication signals, the conductor arrangement includes a conductor carrier, a plurality of pairs of first conductors, two of the first conductors being electrically coupled together at their ends, and a plurality of pairs of second conductors, two of the second conductors being electrically coupled together at their ends, and wherein, as conductor bundles, in each case one of the first conductors of a pair and one of the second conductors of a pair are jointly arranged on a first side of the conductor carrier and the further first conductor of the respective pair and the further second conductor of the respective pair are arranged on a second side of the conductor carrier.Type: GrantFiled: April 29, 2019Date of Patent: December 7, 2021Inventor: Michael Wortberg
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Patent number: 11101086Abstract: An electrical switch for interrupting a current path. The switch includes a contact point formed from a first and a second contact piece mounted such that it can move about a rotation axis. The contact point is closed when the two contact pieces are in contact and is electrically opened when the two contact pieces are not in contact. The electrical switch includes an actuator unit and an electrically non-conductive separating element which can be moved in a translatory manner by means of the actuator unit and is designed to isolate the two contact pieces and then to keep the two contact pieces apart. The actuator unit includes a movement element mechanically coupled to the separating element, a drive device designed to move the movement element in order to close the contact point, a device for generating and/or storing kinetic energy and an electromagnetic actuator.Type: GrantFiled: September 21, 2018Date of Patent: August 24, 2021Assignee: Lisa Dräxlmaier GmbHInventors: Fabian Oehler, Michael Wortberg
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Publication number: 20210202130Abstract: The present disclosure provides a conductor arrangement for transmitting differential communication signals, the conductor arrangement includes a conductor carrier, a plurality of pairs of first conductors, two of the first conductors being electrically coupled together at their ends, and a plurality of pairs of second conductors, two of the second conductors being electrically coupled together at their ends, and wherein, as conductor bundles, in each case one of the first conductors of a pair and one of the second conductors of a pair are jointly arranged on a first side of the conductor carrier and the further first conductor of the respective pair and the further second conductor of the respective pair are arranged on a second side of the conductor carrier.Type: ApplicationFiled: April 29, 2019Publication date: July 1, 2021Inventor: Michael WORTBERG
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Patent number: 10730458Abstract: An electrical energy supply system for a vehicle includes at least one ground conductor configured as a flat conductor rail arranged on a floor assembly of a body in white of the vehicle. At least one supply line inserted into the body in white is included and the at least one supply line is guided, at least one section of the body in white, parallel to and along the at least one ground conductor such that the at least one supply line at least partially overlaps a flat side of the at least one ground conductor. The body in white is made from a metallic material, the at least one supply line is positioned a predetermined distance from the at least one ground conductor, and the predetermined distance is a function of an electromagnetic field resulting from a current flowing through the at least one supply line.Type: GrantFiled: April 13, 2018Date of Patent: August 4, 2020Assignee: Lisa Draexlmaier GmbHInventors: Klaus Specht, Michael Wortberg
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Publication number: 20200227220Abstract: An electrical switch for interrupting a current path, in particular of a voltage supply in a motor vehicle is disclosed. The switch includes a contact point which is formed from a first contact piece and a second contact piece which is mounted such that it can move about a rotation axis. Here, the contact point is electrically closed when the two contact pieces are in contact and is electrically opened when the two contact pieces are not in contact. Furthermore, the electrical switch includes an actuator unit and an electrically non-conductive separating element which can be moved in a translatory manner by means of the actuator unit and is designed to isolate the two contact pieces from one another and then to keep the two contact pieces apart in order to open and to keep open the contact point and to act as an insulator between the contact faces.Type: ApplicationFiled: September 21, 2018Publication date: July 16, 2020Inventors: Fabian OEHLER, Michael WORTBERG
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Publication number: 20200153226Abstract: A method and a device for detecting arcs includes current values for each component connected to a node being read-in, the node current and the system current determined using the current values, a correlation factor determined for each current value with the node current as quotient from node current and the respective current value, the individual quotients filtered in order to determine a correction factor for each current value, a corrected node-current equation established, wherein each current value is linked to the correction factor previously determined, in order to determine a corrected value of the node evaluation, and finally a trigger threshold is set using the corrected node-current equation.Type: ApplicationFiled: January 17, 2020Publication date: May 14, 2020Applicant: LISA DRÄXLMAIER GMBHInventor: Michael WORTBERG
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Patent number: 10436830Abstract: The present disclosure relates to a device for recognizing disruptions in an on-board power supply. The device comprises a reception unit adapted to receive a first and a second temporal sequence of measurement values, the measurement values of the first sequence being measured at a first measuring point of the on-board power supply and the measurement values of the second sequence being measured at a second measuring point of the on-board power supply differing from the first measuring point, and the measurement values representing current or voltage values, and an evaluation unit adapted to recognize the occurrence of a disruption based on a comparison of the first dispersion of the measurement values of the first sequence and a second dispersion of the measurement values of the second sequence.Type: GrantFiled: May 25, 2016Date of Patent: October 8, 2019Assignees: Lisa Draexlmaier GmbH, Volkswagen Aktiengesellschaft WolfsburgInventors: Michael Wortberg, Florian Rudolph