Patents Examined by Aqeel H Bukhari
  • Patent number: 12224688
    Abstract: An aircraft includes: rotors each driven by an electric motor; a PCU that converts AC power output from a generator into DC power; an inverter that converts DC power supplied from the PCU into AC power and outputs the AC power to the electric motor; a DC wire that connects the PCU and the inverter; and an AC wire that connects the inverter and the electric motor. The AC wire is disposed in a direction orthogonal to a direction in which rotation shafts of the generator and a gas turbine extend.
    Type: Grant
    Filed: March 29, 2023
    Date of Patent: February 11, 2025
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Manabu Mitani, Tomohiro Fukazu, Yuichi Fukuchi, Masashi Eto
  • Patent number: 12224581
    Abstract: A power supply device includes: a low-voltage direct current-direct current converter (LDC) to convert a voltage of a high-voltage battery to supply power; a first low-voltage battery to be charged by receiving power from the LDC and supply power to a general load; a bidirectional converter to convert a voltage supplied from the LDC and control a charge amount of a second low-voltage battery; the second low-voltage battery to be charged by receiving power from the bidirectional converter and supply power to a dual power source load; a first relay disposed between the LDC and the first low-voltage battery; a second relay disposed between the bidirectional converter and the second low-voltage battery; a second battery sensor to measure a voltage of the second low-voltage battery; and a control unit to control the bidirectional converter.
    Type: Grant
    Filed: January 19, 2023
    Date of Patent: February 11, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventor: Ho Joong Lee
  • Patent number: 12214675
    Abstract: A system for dynamic excitation of an energy storage element configured for use in an electric aircraft includes a plurality of propulsors mechanically connected to the electric aircraft. The system includes a plurality of energy storage elements electrically connected to the plurality of propulsors. The system includes a bus element, wherein the bus element is electrically connected to the plurality of energy storage elements and a cross tie element connected to the bus element configured to disconnect a first energy storage element from a second energy storage element. The system includes a modulator unit electrically connected to the bus element configured to modulate a first electrical command to the first energy storage element and a second electrical command to the second energy storage element. The system includes at least a sensor configured to detect an energy datum corresponding to the first energy storage element as a function of the modulation.
    Type: Grant
    Filed: October 26, 2023
    Date of Patent: February 4, 2025
    Assignee: BETA AIR LLC
    Inventors: Herman Wiegman, Steven J. Foland
  • Patent number: 12214738
    Abstract: The invention relates to a device and a method for reducing the number of analog inputs at a control device (16). It is proposed that at least two physical signals, which are different from each other, are transmitted at an analog input of the control device (16).
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: February 4, 2025
    Assignee: Robert Bosch GmbH
    Inventors: Jonathan Mueller, Wolfgang Fischer
  • Patent number: 12218629
    Abstract: Proposed is a solar power leveling system, more particularly, a solar power leveling system via string-based power compensation, wherein outputs between strings are equalized by charging or discharging using a power compensation device so that output through solar power generation is maximized with a simple device configuration, and when there is reduction in output of a plurality of strings, compensation power for maximizing the total string output is calculated to achieve power compensation, whereby the power compensation device performs power compensation with a single discharging part and maximizes the total power generation amount of the strings connected to each other in parallel.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: February 4, 2025
    Assignee: E2Z CO., LTD.
    Inventors: Ki Taek Song, Cheol Song Lee, Kyung Rok Kim, Jun Woo Kim
  • Patent number: 12212144
    Abstract: A system includes multiple electrical nodes connected in series to a primary power source via transmission lines. Each node includes a power converter that can receive first power from the primary power source or another upstream node. The power converter can change a voltage level and/or a frequency of the first power. Each node also includes a high-speed synchronous rotating machine (HSRM), which includes an inertial storage flywheel, a rotating excitation assembly, stator windings, and a synchronous motor coupled to an induction generator. The HSRM can boost a voltage level between an input and output to compensate for a voltage drop of the first power. At least one of the nodes further includes an inductive power coupler to electrically couple the node to a mobile power source that provides second power to the node and receives a portion of the first power from the node using contactless inductive power transfer.
    Type: Grant
    Filed: April 19, 2023
    Date of Patent: January 28, 2025
    Assignee: Raytheon Company
    Inventor: Stephen B. Kuznetsov
  • Patent number: 12212151
    Abstract: A contactless power transfer system is provided. The contactless power transfer system includes a first power exchanger coil configured to exchange power. The contactless power transfer system also includes a first power converter operatively coupled to the first power exchanger coil and configured to convert a direct current power to an alternating current power at a system frequency. The contactless power transfer system further includes a controller configured to control an operating state of the first power converter to vary an alternating current power provided to the first power exchanger coil at the system frequency.
    Type: Grant
    Filed: September 18, 2023
    Date of Patent: January 28, 2025
    Assignee: Dolby Laboratories Inc.
    Inventors: Pradeep Vijayan, Rajendra Naik, Arun Kumar Raghunathan, Vishnu Mahadeva Iyer
  • Patent number: 12212165
    Abstract: An arrangement is disclosed, comprising a series connection of a plurality of energy storage units, a plurality of bypass circuits, each bypass circuit being configured to bypass a respective one of the energy storage units in the series connection, and a plurality of control modules, wherein each control module corresponds to a respective one of the bypass circuits. Each control module is configured to control operation of the corresponding bypass circuit and at least one other bypass circuit of the plurality of bypass circuits to selectively bypass the corresponding energy storage units in the series connection in such a way that operation of each bypass circuit of the plurality of bypass circuits to selectively bypass the corresponding energy storage unit in the series connection is controllable by means of at least two of the control modules. A related method is also disclosed.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: January 28, 2025
    Assignee: Hitachi Energy Ltd
    Inventors: Per Karreby, Jean-Philippe Hasler, Mikael Tenerz, Mohsen Asoodar, Lexuan Meng
  • Patent number: 12206263
    Abstract: Method for contactless power transmission between a stationary part (14) and a movable part (15) and electrical power supply circuit (17) for implementing the method comprising an air-coupled transformer (19) provided with a primary resonant circuit with a primary coil (20) supported by the stationary part and a secondary resonant circuit with a secondary coil (21) facing the primary resonant circuit and supported by the movable part. The primary resonant circuit is fed with an alternating primary electrical voltage (V1) which causes a primary electrical current (I1) to circulate. The primary electrical current (I1) induces in turn in the secondary resonant circuit an alternating secondary electrical voltage (V2) which causes a secondary electrical current (I2) to circulate. An electrical variable influencing the achievement of the resonance condition is adjusted, for example the frequency (F) of the primary electrical voltage, in such a way to operate in a resonance condition.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: January 21, 2025
    Assignee: Marposs Societa' Per Azioni
    Inventors: Davide Castaldini, Alessandro Ruggeri
  • Patent number: 12206277
    Abstract: A vehicle uninterruptible power supply system and a control method thereof are provided. The control method includes: instructing, by a control circuit, a charging and discharging circuit to use one of a vehicle power supply and a backup battery for charging a vehicle load according to a voltage of the vehicle power supply and a voltage of the backup battery when the control circuit receives an ignition-on signal; instructing, by the control circuit, the charging and discharging circuit to use one of the vehicle power supply and the backup battery for charging the vehicle load according to the voltage of the backup battery when the control circuit receives an ignition-off signal; and preventing, by the control circuit, the vehicle power supply and the backup battery from charging the vehicle load when the control circuit receives the ignition-off signal.
    Type: Grant
    Filed: April 6, 2023
    Date of Patent: January 21, 2025
    Assignee: Getac Technology Corporation
    Inventor: Chien-Chih Hu
  • Patent number: 12191696
    Abstract: A control device for controlling a first DC-DC converter and a second DC-DC converter that supply power to equipment, the control device comprising a processor configured to fix an output of the first DC-DC converter at a maximum and perform feedback control such that an output of the second DC-DC converter satisfies a predetermined condition in a case in which the output of the first DC-DC converter has reached the maximum.
    Type: Grant
    Filed: February 3, 2022
    Date of Patent: January 7, 2025
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Taiki Takemoto, Akira Umemoto, Eiji Kitano, Yuji Omiya
  • Patent number: 12191608
    Abstract: A direct current (DC)-DC conversion system including at least one DC source, at least one source cable, a DC-DC converter, at least one output cable, and at least one DC load. Each of the at least one source cable includes a source input connector, a source output connector, and a source input cable. The DC-DC converter includes a housing, a DC-DC input connector, and a DC-DC output connector. Each of the at least one output cable includes a load input connector, at least one load output connector, and a load output cable. The DC-DC converter is operable to receive energy from the at least one source via the at least one source cable, and is operable to provide energy to the at least one DC load via the at least one output cable.
    Type: Grant
    Filed: January 12, 2024
    Date of Patent: January 7, 2025
    Assignee: LAT Enterprises, Inc.
    Inventors: Laura Thiel, Giancarlo Urzi
  • Patent number: 12176749
    Abstract: A power supply method and apparatus for dual power load includes a low voltage direct current-direct current converter (LDC) configured to convert a voltage of a high-voltage battery to supply power, a first low-voltage battery configured to be charged by receiving the power from the LDC and to supply power to a general load or a dual power load, a second low-voltage battery configured to be charged by receiving the power from the LDC and to supply power to the dual power load, a first relay disposed between the LDC and the first low-voltage battery, a second relay disposed between the LDC and the second low-voltage battery, a first battery sensor configured to measure a voltage of the first low-voltage battery, and a second battery sensor configured to measure a voltage of the second low-voltage battery.
    Type: Grant
    Filed: January 19, 2023
    Date of Patent: December 24, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventor: Ho Joong Lee
  • Patent number: 12162614
    Abstract: A electric aircraft power distribution system includes a first battery pack connected to at least a first load and to a common bus that connects the first battery pack in parallel to at least a second battery pack; a first electrical component electrically connected between the first battery pack and the first load and configured to disconnect the first load from the first battery pack in response to current above a first threshold current, wherein the first electrical component has a first disconnection time at the first threshold current; and a second electrical component electrically connected between the first battery pack and the common bus and configured to disconnect the first battery pack from the common bus in response to current above a second threshold current, wherein the second electrical component has a second disconnection time at the second threshold current that is higher than the first disconnection time.
    Type: Grant
    Filed: March 1, 2024
    Date of Patent: December 10, 2024
    Assignee: ARCHER AVIATION INC.
    Inventor: John Melack
  • Patent number: 12166357
    Abstract: An under-cabinet wireless power system is mountable to an underside of a wall cabinet that is positioned over a countertop and includes a wireless power transmitter capable of powering a wirelessly powered appliance positioned proximate thereto.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: December 10, 2024
    Assignee: MIDEA GROUP CO., LTD.
    Inventors: Daniel J. Trice, Brian Langness, Clayton James O′Donoghue, John Kenneth Hooker
  • Patent number: 12155237
    Abstract: A method for transmitting wireless power according to one embodiment of the present specification involves: receiving information about received power values for two or more correction points for power correction from a device for receiving wireless power; constructing a power correction curve, for detecting foreign substances, on the basis of the information about the received power values; and transmitting a data packet requesting initiation of a power correction protocol for updating the power correction curve.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: November 26, 2024
    Assignee: LG ELECTRONICS INC.
    Inventor: Yongcheol Park
  • Patent number: 12155235
    Abstract: A wireless power transmitter may include a power amplifier configured to output an amplified signal based on an input signal and a driving voltage, a first LC resonant circuit connected in parallel to the power amplifier, a matching circuit, and a transmission coil connected to the matching circuit. The matching circuit may include a second LC resonant circuit including a first inductor and a first capacitor connected in series to the first inductor, and having one end connected to an output terminal of the power amplifier and one end of the first LC resonant circuit, and a second capacitor and a third capacitor respectively connected to the other end of the second LC resonant circuit. The first inductor may be configured to have an inductance value leading to an impedance of the second LC resonant circuit equal to or greater than a first predetermined magnitude at at least one second or higher harmonic frequency of an operating frequency of the input signal.
    Type: Grant
    Filed: November 29, 2022
    Date of Patent: November 26, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Beomwoo Gu, Jaeseok Park, Jaehyun Park, Sungku Yeo, Jungkyu Han
  • Patent number: 12149113
    Abstract: A wireless device includes an energy harvester to convert harvested energy into a harvested voltage, a first port selectively connected to an external USB power source, a second port selectively connected to a battery, a load including a plurality of circuits, and a power management circuit coupled to the energy harvester, the first and second ports, and the load. The power management circuit includes a controller configured to select one of the energy harvester, the USB power source, or the battery as a power source at system startup based on one or more of an amount of the harvested voltage, a presence of a connection with the USB power source, a presence of a connection with the battery, or an amount of charge or voltage stored by the battery. The power management circuit also includes a switcher matrix to power the load at system startup using the selected power source.
    Type: Grant
    Filed: March 22, 2023
    Date of Patent: November 19, 2024
    Assignee: Atmosic Technologies, Inc.
    Inventors: Dimitrios Filippos Papadopoulos, Manolis Terrovitis, Justin Ann-Ping Hwang
  • Patent number: 12149193
    Abstract: Described are systems and methods for providing a centralized inverter architecture that incorporates multiple inverters co-located in a single integrated power core. Exemplary embodiments of the present disclosure can provide an exemplary power electronics system that includes integrated power core units having multiple inverters co-located in a centralized location. The integrated power cores can enable compute topologies that enable communication between the inverters and coordinated operation of the inverters. The integrated power cores can also be configured as a single line replaceable unit (LRU) to facilitate efficient repair, maintenance, and/or replacement of each integrated power core.
    Type: Grant
    Filed: September 21, 2022
    Date of Patent: November 19, 2024
    Assignee: Amazon Technologies, Inc.
    Inventors: Andrew Lueneburg, Xiaoqi Wang, Tausif Husain, Frederic Pierre Lacaux
  • Patent number: 12143001
    Abstract: Provided is a power supply device in which the output voltages of unit power converters can be controlled to be substantially constant even when the loads of the respective unit power converters are different from each other. The power supply device in which a plurality of unit power converters are connected in series with an AC system and power is supplied from the unit power converters to load devices is characterized by being provided with a control device for obtaining the degree of load imbalance among the load powers of the load devices and controlling the AC system side voltages of the unit power converters to operate by reducing the power factor of the AC system when the degree of load imbalance increases.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: November 12, 2024
    Assignee: Hitachi, Ltd.
    Inventors: Minglei Gu, Akihiko Kanouda