Patents by Inventor Helmut Kellermann
Helmut Kellermann 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: 12567992Abstract: A system for data transmission in a motor vehicle includes a central control unit, a first zonal control module, and a first LIN bus. The central control unit includes at least a first LIN master and a second LIN master. The first zonal control module is operably coupled to the central control unit via a first data connection. The first LIN bus is operably coupled to the first zonal control module. A first LIN slave connected to the LIN bus is assigned to the first LIN master, and a second LIN slave connected to the LIN bus is assigned to the second LIN master.Type: GrantFiled: September 8, 2021Date of Patent: March 3, 2026Assignee: Bayerische Motoren Werke AktiengesellschaftInventors: Mohamad Chamas, Florian Brummer, Helmut Kellermann
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Publication number: 20250286422Abstract: A liquid pump with a housing in which a wound stator and electronics are arranged in a dry area. A permanent magnet rotor is arranged in a wet area. A shaft is held on the one hand in a pump head and on the other hand in a shaft receptacle in a containment shell. The containment shell separates the dry area from the wet area. At least one bearing is incorporated in the permanent magnet rotor and is arranged rotatably on the shaft, wherein the permanent magnet rotor comprises a plastic insert and a permanent magnet, and at least one fluid channel runs parallel to the axis and is formed between the plastic insert and the permanent magnet.Type: ApplicationFiled: May 22, 2025Publication date: September 11, 2025Applicant: BÜHLER MOTOR GMBHInventors: Helmut Kellermann, Christian Zimmerer, Thomas Stolpe, Dominik Neudert
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Publication number: 20250253964Abstract: A wired communication system includes a plurality of transceivers that are interconnected via a wired communication bus. A transmit signal strength of the respective transceivers is individually set such that, on the respective transceivers, a ratio between a maximum received signal strength and a minimum received signal strength of transmit signals of other transceivers is reduced compared to other transmit signal strength configurations of the respective transceivers.Type: ApplicationFiled: January 24, 2023Publication date: August 7, 2025Inventor: Helmut Kellermann
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Patent number: 12316476Abstract: Embodiments relate to a system for transmitting data in a motor vehicle. A central electronic control unit comprises at least one LIN master, and at least one local controller, which is coupled to the central controller by means of a first data connection. The local controller is additionally coupled to a LIN bus, which is paired with the LIN master and to which at least one LIN slave is connected. The data transmission speed of the first data connection between the central controller and the local controller is faster than the data transmission speed of the LIN bus. Methods for actuating a LIN slave connected to a LIN bus and to a motor vehicle are also provided.Type: GrantFiled: March 29, 2021Date of Patent: May 27, 2025Assignee: B ayerische M otoren W erke A ktiengesellschaftInventors: Florian Brummer, Helmut Kellermann
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Publication number: 20250047533Abstract: Embodiments of the present invention provide a transmitter (100) for a communication system comprising a modulator (110) configured to generate a transmit signal (120) while modulating information on a plurality of sub-bands (120a, . . . , 120d), wherein at least two of the sub-bands (120a, . . . , 120d) have a different bandwidth.Type: ApplicationFiled: December 1, 2022Publication date: February 6, 2025Inventors: Helmut KELLERMANN, Christoph ARNDT
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Publication number: 20240031197Abstract: A system for data transmission in a motor vehicle includes a central control unit, a first zonal control module, and a first LIN bus. The central control unit includes at least a first LIN master and a second LIN master. The first zonal control module is operably coupled to the central control unit via a first data connection. The first LIN bus is operably coupled to the first zonal control module. A first LIN slave connected to the LIN bus is assigned to the first LIN master, and a second LIN slave connected to the LIN bus is assigned to the second LIN master.Type: ApplicationFiled: September 8, 2021Publication date: January 25, 2024Inventors: Mohamad Chamas, Florian Brummer, Helmut Kellermann
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Publication number: 20230139148Abstract: Embodiments relate to a system for transmitting data in a motor vehicle. A central electronic control unit comprises at least one LIN master, and at least one local controller, which is coupled to the central controller by means of a first data connection. The local controller is additionally coupled to a LIN bus, which is paired with the LIN master and to which at least one LIN slave is connected. The data transmission speed of the first data connection between the central controller and the local controller is faster than the data transmission speed of the LIN bus. Methods for actuating a LIN slave connected to a LIN bus and to a motor vehicle are also provided.Type: ApplicationFiled: March 29, 2021Publication date: May 4, 2023Inventors: Florian BRUMMER, Helmut KELLERMANN
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Publication number: 20230076190Abstract: A vehicle including a bus and an electronic module. The bus line has at least two signal lines and a bus line coupling element. The electronic module has at least one transceiver component having a transceiver coupling element. The transceiver coupling element can be coupled to the bus line coupling element in order to be able to transmit data into the bus line or receive data from the bus line in a coupled state. The bus line coupling element and the transceiver coupling element are configured for contact-free coupling.Type: ApplicationFiled: November 20, 2020Publication date: March 9, 2023Inventors: Joachim Froeschl, Michael Kaindl, Helmut Kellermann
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Patent number: 10823188Abstract: An electric centrifugal pump having a motor housing, a pump head, a containment shell, and a rotor assembly consisting of a pump impeller and a permanent magnet rotor, wherein the pump head with the containment shell defines a wet chamber, in which the rotor assembly is arranged rotationally around a longitudinal motor axis, the containment shell with the motor housing defines a dry chamber, in which a wound stator is arranged, and the permanent magnet rotor is arranged within the stator and a hollow-cylindrical region of the containment shell. Particle accumulations in the region between the containment shell and the permanent magnet rotor cannot occur or can only occur to a very minor extent and that the consequences of impurities in the wet chamber are reduced in order to prevent premature wear or a blockage of the centrifugal pump.Type: GrantFiled: May 30, 2017Date of Patent: November 3, 2020Assignee: BÜHLER MOTOR GMBHInventors: Jürgen Ehrsam, Helmut Kellermann, Christian Zimmerer
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Patent number: 10651513Abstract: A storage battery arrangement includes a plurality of storage battery cells connected in series, a central network node designed to transmit data using the storage battery cells and connected to the series connection of storage battery cells, a plurality of cell network nodes designed to transmit data using the storage battery cells, where each cell network node is connected in parallel to a storage battery cell. The storage battery arrangement also includes a control device designed to command at least one first cell network node to apply a test signal having at least one predetermined frequency to a first storage battery cell to which said first cell network node is connected, and to command a second cell network node connected to a second storage battery cell to determine, based on a signal response of the second storage battery cell to the test signal, at least one condition of the second storage battery cell.Type: GrantFiled: November 6, 2017Date of Patent: May 12, 2020Assignee: Bayerische Motoren Werke AktiengesellschaftInventors: Helmut Kellermann, Jan Philipp Schmidt
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Patent number: 10602530Abstract: A time-division multiplex method for serial data transmission includes executing a first priority resolution for messages to be transmitted by a plurality of stations on a communications channel and which are assigned to a first prefix, and transmitting a first data frame by a first station of the multiplicity of stations, wherein the first station transmits a first message with the first prefix and with the highest priority, during a predefined first access slot. The method also includes executing a second priority resolution for messages to be transmitted on the communications channel and which are assigned to a second prefix, and then transmitting of a second data frame by a second station of the plurality of stations, where the second station transmits a second message with the second prefix and with the highest priority of the second priority resolution, during a predefined second access slot.Type: GrantFiled: January 20, 2017Date of Patent: March 24, 2020Assignee: Bayerische Motoren Werke AktiengesellschaftInventors: Helmut Kellermann, Hyung-Taek Lim, Thomas Gehrsitz
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Patent number: 10200290Abstract: A method for operating a station for serial data transmission using data frames in a communication network, configured to perform a carrier sense multiple access with collision avoidance (CSMA/CA) method, includes performing a first priority resolution for a specific first data frame to be transmitted on a communication channel, and establishing whether the specific first data frame to be transmitted has a highest priority. The method also includes performing a first backoff if the specific first data frame has the highest priority, transmitting the specific first data frame if the communication channel is free after the backoff, and raising the priority of the specific first data frame, in the absence of acknowledgement of the transmission of the specific data frame, to a priority level that is used exclusively for untransmitted data frames.Type: GrantFiled: January 20, 2017Date of Patent: February 5, 2019Assignee: Bayerische Motoren Werke AktiengesellschaftInventors: Helmut Kellermann, Hyung-Taek Lim, Thomas Gehrsitz
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Patent number: 10028326Abstract: A method for setting up and operating a multiple communication link in a wireless communication apparatus, which includes a first wireless transceiver and a second wireless transceiver, includes setting up a first communication link according to an IEEE standard 802.15.1 using the first wireless transceiver. The method also includes setting up a second communication link according to an IEEE standard 802.11 using the second wireless transceiver, and setting up a third communication link according to an IEEE standard 802.15.1 using the first wireless transceiver, on a channel of the second communication link. Moreover, the method includes simultaneously operating the first communication link, the second communication link and the third communication link, wherein the second communication link and the third communication link are both simultaneously operated on the same channel of the second communication link.Type: GrantFiled: January 20, 2017Date of Patent: July 17, 2018Assignee: Bayerische Motoren Werke AktiengesellschaftInventors: Helmut Kellermann, Martin Arend
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Publication number: 20180062211Abstract: A storage battery arrangement includes a plurality of storage battery cells connected in series, a central network node designed to transmit data using the storage battery cells and connected to the series connection of storage battery cells, a plurality of cell network nodes designed to transmit data using the storage battery cells, where each cell network node is connected in parallel to a storage battery cell. The storage battery arrangement also includes a control device designed to command at least one first cell network node to apply a test signal having at least one predetermined frequency to a first storage battery cell to which said first cell network node is connected, and to command a second cell network node connected to a second storage battery cell to determine, based on a signal response of the second storage battery cell to the test signal, at least one condition of the second storage battery cell.Type: ApplicationFiled: November 6, 2017Publication date: March 1, 2018Inventors: Helmut Kellermann, Jan Philipp Schmidt
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Publication number: 20180049210Abstract: A time-division multiplex method for serial data transmission includes executing a first priority resolution for messages to be transmitted by a plurality of stations on a communications channel and which are assigned to a first prefix, and transmitting a first data frame by a first station of the multiplicity of stations, wherein the first station transmits a first message with the first prefix and with the highest priority, during a predefined first access slot. The method also includes executing a second priority resolution for messages to be transmitted on the communications channel and which are assigned to a second prefix, and then transmitting of a second data frame by a second station of the plurality of stations, where the second station transmits a second message with the second prefix and with the highest priority of the second priority resolution, during a predefined second access slot.Type: ApplicationFiled: January 20, 2017Publication date: February 15, 2018Inventors: Helmut Kellermann, Hyung-Taek LIM, Thomas GEHRSITZ
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Publication number: 20170343006Abstract: An electric centrifugal pump having a motor housing, a pump head, a containment shell, and a rotor assembly consisting of a pump impeller and a permanent magnet rotor, wherein the pump head with the containment shell defines a wet chamber, in which the rotor assembly is arranged rotationally around a longitudinal motor axis, the containment shell with the motor housing defines a dry chamber, in which a wound stator is arranged, and the permanent magnet rotor is arranged within the stator and a hollow-cylindrical region of the containment shell. Particle accumulations in the region between the containment shell and the permanent magnet rotor cannot occur or can only occur to a very minor extent and that the consequences of impurities in the wet chamber are reduced in order to prevent premature wear or a blockage of the centrifugal pump.Type: ApplicationFiled: May 30, 2017Publication date: November 30, 2017Applicant: Bühler Motor GmbHInventors: Jürgen Ehrsam, Helmut Kellermann, Christian Zimmerer
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Publication number: 20170245293Abstract: A time-division multiplex method for serial data transmission includes executing a first priority resolution for messages to be transmitted by a plurality of stations on a communications channel and which are assigned to a first prefix, and transmitting a first data frame by a first station of the multiplicity of stations, wherein the first station transmits a first message with the first prefix and with the highest priority, during a predefined first access slot. The method also includes executing a second priority resolution for messages to be transmitted on the communications channel and which are assigned to a second prefix, and then transmitting of a second data frame by a second station of the plurality of stations, where the second station transmits a second message with the second prefix and with the highest priority of the second priority resolution, during a predefined second access slot.Type: ApplicationFiled: January 20, 2017Publication date: August 24, 2017Inventors: Helmut Kellermann, Hyung-Taek LIM, Thomas GEHRSITZ
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Publication number: 20170135146Abstract: A method for setting up and operating a multiple communication link in a wireless communication apparatus, which includes a first wireless transceiver and a second wireless transceiver, includes setting up a first communication link according to an IEEE standard 802.15.1 using the first wireless transceiver. The method also includes setting up a second communication link according to an IEEE standard 802.11 using the second wireless transceiver, and setting up a third communication link according to an IEEE standard 802.15.1 using the first wireless transceiver, on a channel of the second communication link. Moreover, the method includes simultaneously operating the first communication link, the second communication link and the third communication link, wherein the second communication link and the third communication link are both simultaneously operated on the same channel of the second communication link.Type: ApplicationFiled: January 20, 2017Publication date: May 11, 2017Inventors: HELMUT KELLERMANN, MARTIN AREND
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Publication number: 20170134292Abstract: A method for operating a station for serial data transmission using data frames in a communication network, configured to perform a carrier sense multiple access with collision avoidance (CSMA/CA) method, includes performing a first priority resolution for a specific first data frame to be transmitted on a communication channel, and establishing whether the specific first data frame to be transmitted has a highest priority. The method also includes performing a first backoff if the specific first data frame has the highest priority, transmitting the specific first data frame if the communication channel is free after the backoff, and raising the priority of the specific first data frame, in the absence of acknowledgement of the transmission of the specific data frame, to a priority level that is used exclusively for untransmitted data frames.Type: ApplicationFiled: January 20, 2017Publication date: May 11, 2017Inventors: Helmut Kellermann, Hyung-Taek Lim, Thomas Gehrsitz
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Patent number: 8920143Abstract: An electronically commutated DC motor for a liquid pump, comprising a pump housing, a suction connection and a pressure connection, a substantially disk-shaped pump rotor mounted rotatably in the pump housing, the rotor comprising an impeller having a plurality of pump vanes and a permanent magnet, a partition separating a pump space from a dry space, wherein the partition is disposed in an axial gap between the pump rotor and a plurality of axially parallel oriented stator poles of the DC motor, which are each provided with an insulating body and a stator winding, the stator poles adjoin a stator yoke, which is connected to a metallic heat-conducting body, and the stator containing the stator poles, the stator windings, the stator yoke and the heat-conducting body is disposed in a motor housing made of plastic material.Type: GrantFiled: August 16, 2011Date of Patent: December 30, 2014Assignee: Buhler Motor GmbHInventors: Thomas Stolpe, Helmut Kellermann, Olai Ihle, Gerhard Walter, Klaus Weiske