Patents Examined by Dru M Parries
  • Patent number: 12036891
    Abstract: Disclosed is a system and a method of controlling a battery connection of an electric vehicle. The system for controlling a battery connection of an electric vehicle, the system including: a battery unit including a plurality of battery packs; a power relay assembly (PRA) for electrically connecting or disconnecting the battery unit and an inverter, and changing a connection structure of the plurality of battery packs to one of a battery unit serial mode and a battery unit parallel mode through a plurality of relays; and a controller for switching the connection structure to the battery unit serial mode through the PRA in response to a driver's request to increase motor output, and switches the connection structure to the battery unit parallel mode through the PRA in response to a driver's request to increase a cruising distance.
    Type: Grant
    Filed: August 18, 2022
    Date of Patent: July 16, 2024
    Assignee: SUNGWOO HITECH CO., LTD.
    Inventors: Sung Man Sohn, Tae Hee Kim
  • Patent number: 12030479
    Abstract: A military vehicle includes an engine configured to drive a front-end accessory drive and a tractive element, an energy storage system including a battery and a controller configured to control the flow of electricity to and from the energy storage system, a first motor/generator, and a second motor/generator. The first motor/generator is electrically coupled to the energy storage system and configured to selectively draw power from the energy storage system to drive the front-end accessory drive and be driven by the front-end accessory drive to generate electricity and supply electricity to the energy storage system to charge the battery. The integrated motor/generator is electrically coupled to the energy storage system and configured to selectively draw power from the energy storage system to drive the tractive element and be driven by the engine to generate electricity and supply electricity to the energy storage system to charge the battery.
    Type: Grant
    Filed: August 12, 2022
    Date of Patent: July 9, 2024
    Assignee: Oshkosh Defense, LLC
    Inventors: Chad Smith, Nader Nasr, Rachell Harsh, Mike J. Bolton, Bradon Zeitler, Ryan Crabtree
  • Patent number: 11999263
    Abstract: A system for controlling propulsion in a vehicle includes a switching system connected to a battery system and a propulsion system. The battery system includes a first battery assembly and a second battery assembly, the propulsion system includes a first drive unit and a second drive unit, and the switching system includes a first switching device configured to selectively connect the first drive unit to the battery system and a second switching device configured to selectively connect the second drive unit to the battery system. The first switching device and the second switching device are independently operable. The system also includes a controller configured to operate the switching system to vary a voltage applied to at least one of the first drive unit and the second drive unit during vehicle propulsion.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: June 4, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Orgun A. Guralp, Suresh Gopalakrishnan, Chandra S. Namuduri, Chunhao J. Lee, Muhammad Hussain Alvi
  • Patent number: 11996695
    Abstract: A power system includes an integrated energy storage system (ESS). It further includes a photovoltaic (PV) source. It further includes an integrated inverter having power connections to both the energy storage system and the photovoltaic source. The inverter includes an integrated PV disconnect switch.
    Type: Grant
    Filed: November 7, 2022
    Date of Patent: May 28, 2024
    Assignee: Lunar Energy, Inc.
    Inventors: Jason Jaspreet Singh Haer, Conrad Xavier Murphy
  • Patent number: 11984725
    Abstract: A method can be used to control a flexible interconnection device that includes a number of converters. The method includes receiving a plurality of voltage signals indicating respective voltages of a plurality of load branches and a plurality of current signals indicating respective currents of the plurality of load branches, determining reference active power values for each of the plurality of converters based on the plurality of voltage signals and a plurality of reference voltage signals, determining reference reactive power values for each of the plurality of converters based on the plurality of voltage signals, the plurality of reference voltage signals and the plurality of current signals, and controlling the plurality of converters based on the determined reference active power values and the determined reference reactive power values.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: May 14, 2024
    Assignee: Hitachi Energy Ltd
    Inventors: He Liu, ChunMing Yuan
  • Patent number: 11984726
    Abstract: A charge/discharge control method for a charge/discharge element includes receiving a request value (Pfr) of a frequency adjustment capacity according to a system frequency (f) of an electric power system (10) based on a priority degree (?) and the request value (Pfr) being received, the priority degree indicating a degree at which charging or discharging of an own element (EV1) is prioritized over charging or discharging of another charge/discharge element (EV2, EV3, . . . ), correcting the output property to increase an upper limit value or a lower limit value of an output range as the priority degree (?) is higher, and performing charging or discharging with an output determined based on a deviation (?f) between the system frequency (f) measured at a connection end to the electric power system (10) and a reference frequency (fref) of the electric power system (10) and the output property after the correction.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: May 14, 2024
    Assignees: NISSAN MOTOR CO., LTD., RENAULT s.a.s.
    Inventors: Kenta Suzuki, Keigo Ikezoe, Kensuke Murai
  • Patent number: 11958578
    Abstract: The present invention relates to a power supply system, especially for a floating vessel, comprising at least two segregated power sections, each constituting a main redundancy group, and each comprising at least one of a power generator adapted to generate an electrical power to a main switchboard and a power consumer, such as a propulsion unit, drawing power from said switch board, and a bus-tie connecting the main switch boards of each redundancy group. The system also comprises at least to segregated directly powered thruster redundancy groups, each including a thruster drive, each being connected to the main switch board of a corresponding one of the main redundancy groups, respectively, the thruster redundancy groups including AC/DC converter means and a DC interconnection connecting the thruster redundancy groups thus proving a loop structure, the thruster redundancy groups being able to draw power from both main switchboards.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: April 16, 2024
    Assignee: Kongsberg Maritime AS
    Inventor: Rune Van Ravens
  • Patent number: 11955811
    Abstract: A power transmitter (101) of a wireless power transfer system comprises a resonance including a transmitter coil (103) for generating a power transfer signal for wirelessly transferring power to a power receiver (105). Further, a driver (1303) generates a drive signal for the resonance circuit (201) and a message receiver (1305) is arranged to receive messages from the power receiver (105). A power loop controller (1307) implements a power control loop by adapting the power of the drive signal in response to power control messages received from the power receiver (105). However, the regulation is subject to a constraint of at least one of a current or voltage of the resonance circuit and a power of the drive signal being below a maximum limit. Further, the power transmitter (101) comprises an adapter (1309) which adapts the maximum limit in response to a load indication indicative of a loading of the power transfer signal by the power receiver (105).
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: April 9, 2024
    Assignee: Koninklijke Philips N.V.
    Inventors: Antonius Adriaan Maria Staring, Andries Van Wageningen
  • Patent number: 11945330
    Abstract: Systems and methods may coordinate and provide bidirectional energy transfer events between electrified vehicles and households or other structures, such as for supporting transient loads associated with the households/structures, for example. Vehicle information, driving habit information, and household information may be leveraged for providing enhanced transient load capability controls that permit increased appliance usage without increasing energy costs. The proposed systems/methods may particularly allow for bidirectional energy transfer support of high load appliances for increasing a user's comfort, pleasure, and convenience.
    Type: Grant
    Filed: October 4, 2021
    Date of Patent: April 2, 2024
    Assignee: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Stuart C. Salter, Ryan O'Gorman, Peter Phung, Katherine Howard-Cone
  • Patent number: 11949230
    Abstract: A hybrid power locomotive and an energy balance control method and system thereof is disclosed. In embodiments of the disclosure, the energy utilization rate is maximized by means of self-adaptive matching of the rotating speed and the power, dynamic balance control over the actual output voltage of the power pack is achieved by means of charging and discharging control over the energy storage element, and energy waste and power pack overload are avoided.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: April 2, 2024
    Assignee: CRRC ZHUZHOU LOCOMOTIVE CO., LTD.
    Inventors: Hongtao Liao, Wei Wang, Qingmin Qin, Zhe Chen, Qiang Fu
  • Patent number: 11938877
    Abstract: A method includes detecting a determined operating condition of a first power converter that is one of a plurality of first power converters in a power generating unit, and the power generating unit is one of a plurality of power generating units. The method further includes responding to detection of the determined operating condition by: controlling, via at least one remaining first power converter of the plurality of first power converters, a load current flowing through a power bus coupled to the plurality of power generating units, and altering one or more droop characteristics corresponding to one or more second power converters disposed in other power generating units based at least in part on the controlled load current flowing through the power bus, wherein the one or more second power converters disposed in other power generating units are coupled to the power bus.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: March 26, 2024
    Assignee: Transportation IP Holdings, LLC
    Inventors: Govardhan Ganireddy, Ajith Kuttannair Kumar, Shahid Ali, Prashanth Manikumar Chennamsetty
  • Patent number: 11942816
    Abstract: An electric utility distribution system in which power is supplied by a distribution transformer through an electric utility meter including an apparatus for detecting the presence of a back-feed voltage source connected to the load. The apparatus includes a virtual neutral established in the electric utility meter at ground potential and a remote switch that is opened to interrupt electric power flow from the distribution transformer to the load. The apparatus further includes a balanced voltage divider circuit including a connection point established between a pair of series connected resistive elements. In addition, the apparatus includes a detection circuit configured to monitor a voltage signal at the connection point to detect a back-feed voltage source connected between a neutral conductor of the electric utility distribution system and one of a first or second power line at the load.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: March 26, 2024
    Assignee: Aclara Technologies LLC
    Inventors: Curtis W. Crittenden, Carl Oppenheimer
  • Patent number: 11932121
    Abstract: A power supply control system (1) for use in a vehicle, the system including: a first power control arrangement (2) incorporating at least two inputs (3, 4) and at least two outputs (5, 6); and a second power control arrangement (7) incorporating at least two inputs (8, 9) and at least two outputs (10, 11), each power control arrangement (2, 7) being configured to operate in an active mode or an isolated mode. In the active mode, the inputs and outputs of the power control arrangement (2, 7) are connected electrically to one another. In the isolated mode, the inputs and outputs of the power control arrangement (2, 7) are electrically isolated from one another. A selector arrangement (37) is configured to select the operating mode of the power control arrangements (2, 7) so that, at any one time, only one power control arrangement (2, 7) operates in the active mode while the other power control arrangement (2, 7) operates in the isolated mode.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: March 19, 2024
    Assignee: VEONEER SWEDEN SAFETY SYSTEMS AB
    Inventor: Jean-Francois Jeannard
  • Patent number: 11916391
    Abstract: Provided is a method for controlling a wind power installation and/or a wind farm having at least one wind power installation, particularly in the case of asymmetrical network voltages, comprising: measuring a first voltage of a first phase, a second voltage of a second phase and a third voltage of a third phase of a three-phase electrical system, calculating a symmetrical negative-sequence voltage system from the measured voltages including a first negative-sequence voltage, a second negative-sequence voltage and a third negative-sequence voltage, predefining setpoints for a negative-sequence current system depending on the calculated, symmetrical negative-sequence voltage system including a first negative-sequence current component, a second negative-sequence current component and a third negative-sequence current component, wherein the setpoints are defined such that a balancing of the measured voltages is achieved, feeding an asymmetrical three-phase AC current into a wind farm network or an electrical su
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: February 27, 2024
    Assignee: Wobben Properties GmbH
    Inventors: Christian Strafiel, Stefan Gertjegerdes, Aramis Schwanka Trevisan, Ingo Mackensen
  • Patent number: 11916399
    Abstract: This application describes a coil. The coil includes an output terminal, an input terminal, and a wire-winding part that is connected between the output terminal and the input terminal. A slot is disposed on at least a part of the wire-winding part, and a depth of the slot in any direction of a cross section of the wire-winding part is less than or equal to a distance between two points that are the farthest away from each other on the cross section of the wire-winding part. The wire-winding part is a metal conductor made through spiral winding. The input terminal and the output terminal are configured to connect the wire-winding part to an external circuit.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: February 27, 2024
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Changsheng Pei, Yongfa Zhu, Heqian Yang, Jinsen Cai
  • Patent number: 11916429
    Abstract: A power system includes a bidirectional power transfer inverter that receives grid power and can be electrically connected with electric vehicle supply equipment, and an auxiliary battery electrically connected with the bidirectional power transfer inverter and that supplies power to the bidirectional power transfer inverter and electric vehicle supply equipment while the grid power is unavailable.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: February 27, 2024
    Assignee: Ford Global Technologies, LLC
    Inventors: Timothy Harris, Stuart C. Salter, Ryan O'Gorman, Peter Phung, Katherine Howard-Cone
  • Patent number: 11901733
    Abstract: Provided are hybrid passive power filter and a three-phase power system. The hybrid passive power filter includes: a series passive harmonic isolation unit, a parallel passive filtering unit, and a harmonic load; the series passive harmonic isolation unit has an input terminal electrically connected to a power grid and an output terminal electrically connected to a first terminal of the harmonic load, and the series passive harmonic isolation unit is configured to isolate harmonics; and the parallel passive filtering unit has an input terminal electrically connected to the output terminal of the series passive harmonic isolation unit and an output terminal electrically connected to a second terminal of the harmonic load, and the parallel passive filtering unit is configured to filter out harmonics.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: February 13, 2024
    Assignee: QINGYUAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CORPORATION
    Inventors: Fang Yang, Xiaoliang Tang, Yabing Zhou, Wanyu Ye
  • Patent number: 11901734
    Abstract: A grid side inverter system includes a grid side inverter, a phase locked loop controller arranged to determine a phase of a dq-frame dependent on a monitored grid voltage vector in the dq-frame and a reference grid voltage vector in the dq-frame, a current reference decision unit arranged to generate a reduction of at least one of an active and a reactive current reference, wherein a decision to generate the reduction is based on an electrical parameter relating to the phase difference of the monitored grid voltage vector and the PLL vector, a current controller arranged to determine control signals for the grid side inverter for controlling generation of active and reactive power to the grid dependent on the active and reactive current references and monitored active and a reactive grid currents in the dq-frame.
    Type: Grant
    Filed: June 3, 2022
    Date of Patent: February 13, 2024
    Assignee: VESTAS WIND SYSTEMS A/S
    Inventors: John Godsk Nielsen, Torsten Lund, Hamid Soltani, Gert Karmisholt Andersen
  • Patent number: 11890964
    Abstract: A vehicle includes first and second power supply cords. Positive and negative electrodes of a battery are connected to a first power supply portion and a first ground portion of a first circuit, respectively, by the first power supply cord, and connected to a second power supply portion and a second ground portion of the second circuit, respectively, by the second power supply cord. The first circuit includes a control circuit configured to measure voltages of the second power supply portion as a first voltage and as a second voltage with reference to a potential of the first ground portion and a potential of the second ground portion, respectively. In a case in which the first and second voltages have a predetermined relationship, power supplied from the second power supply cord to the second circuit is set to be a predetermined value or less.
    Type: Grant
    Filed: August 11, 2022
    Date of Patent: February 6, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hisashi Senga, Masaya Nishinaka
  • Patent number: 11894675
    Abstract: A DC voltage grid includes an electrical conductor electrically interconnecting electrical components, with a DC voltage applied between parts of the electrical conductor. An actuator is configured to vary the DC voltage such that a value of the DC voltage depends on at least one state of the DC voltage grid. Information about the at least one state is transmitted to the electrical components of the DC voltage grid by way of the DC voltage. A wind farm having wind turbines connected to such a DC voltage grid and a method for operating such a DC voltage grid or such a wind farm are also disclosed. The DC voltage of the DC voltage grid is controlled or regulated depending on a state of the DC voltage grid.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: February 6, 2024
    Assignee: Siemens Aktiengesellschaft
    Inventor: Markus Matthias Gaudenz