Patents Examined by Sun J Lin
  • Patent number: 11292358
    Abstract: A vehicle includes a power storage device, a charging device configured to be supplied with an electric power from a power supply unit external to the vehicle for charging the power storage device, and an electronic control unit configured to detect information on a maximum output power of the power supply unit. The electronic control unit is configured to execute a predetermined process associated with the charging the power storage device based on the maximum output power of the power supply unit which is indicated by the detected information.
    Type: Grant
    Filed: August 19, 2019
    Date of Patent: April 5, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Shinji Ichikawa
  • Patent number: 11296518
    Abstract: An electronic device includes a housing, a display exposed through one surface of the housing, at least one ground member, a first battery disposed in the housing and including a first anode and a first cathode, a second battery disposed in the housing and including a second anode and a second cathode electrically connected with the at least one ground member, a charging circuit electrically connected with the first battery and the second battery, a charging interface electrically connected with the charging circuit, and a power management integrated circuit electrically connected with the charging interface and the charging circuit and managing power supplied to the electronic device. When an external power source is connected through the charging interface, the charging circuit connects the first battery and the second battery in series during a first time period and connects the first battery and the second battery in parallel during a second time period.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: April 5, 2022
    Inventors: Seho Park, Kisun Lee, Kyusik Choi
  • Patent number: 11285841
    Abstract: A motor vehicle multi-voltage battery device includes a first output current terminal and a ground terminal providing a first rated voltage; a second output current terminal and the ground terminal providing a second rated voltage; a first battery cell group, electrically connected to the first output current terminal and to the ground terminal; a second battery cell group, electrically connected to the second output current terminal and to the first output current terminal and switchably connected in series with the first battery cell group; a charging current terminal connecting the multi-voltage battery device to an external current source; a first DC voltage converter electrically connected on the input voltage side to the charging current terminal and on an output voltage side to a first positive pole, and configured to convert an input voltage at the charging current terminal to a first charging voltage for charging the first battery cell group.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: March 29, 2022
    Inventors: Tobias Aschenbrenner, Stefan Lauer
  • Patent number: 11288434
    Abstract: A computer-implemented method of generating randomized electrical interconnects for an electronic circuit comprises steps of receiving a netlist of nodes of electronic components to be connected, each connection between the nodes forming an electrical interconnect; determining a list of one or more path directions for each electrical interconnect; determining a plurality of path direction distances for each electrical interconnect; generating a plurality of segments for each electrical interconnect, each segment having one path direction and a length which are selected at random; calculating a sum of the lengths of all segments of the plurality of segments in each path direction each time a segment is generated for each electrical interconnect; removing one path direction from the list of path directions when a first condition is met; and stopping the generating a plurality of segments for each electrical interconnect when a second condition is met.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: March 29, 2022
    Assignee: Honeywell Federal Manufacturing & Technologies, LLC
    Inventor: Joshua Trujillo
  • Patent number: 11285825
    Abstract: An AC charging device for a motor vehicle has a neutral conductor, at least one phase conductor, and at least one rectifier. The neutral conductor and the at least one phase conductor are connected to the rectifier, to which at least one smoothing capacitor is also connected. The AC charging device has a precharge circuit arranged between a mains connection and the at least one smoothing capacitor. The precharge circuit is designed to precharge the at least one smoothing capacitor. The precharge circuit has at least one transistor.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: March 29, 2022
    Assignee: Vitesco Technologies GmbH
    Inventors: Franz Pfeilschifter, Martin Goetzenberger, Klaus Muehlbauer
  • Patent number: 11285815
    Abstract: An electrical vehicle charging device includes a power converter for receiving an AC voltage from an AC grid or a DC voltage from a DC grid, a transformer having a primary side connected to an output side, a full wave rectifier having a first input and a secondary input and a positive output and a negative output, at least two output capacitors connected between respective end taps of end taps connected in series via a center tap and between the positive output and the negative output, whereby the end taps are for providing the DC voltage to the electrical vehicle, and a switch connected in series between the first input or the secondary input and the center tap, and whereby the electrical vehicle charging device is adapted for closing and/or opening the switch depending on a DC voltage level required for charging the electrical vehicle.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: March 29, 2022
    Assignee: ABB Schweiz AG
    Inventor: Stefan Joannes Raaijmakers
  • Patent number: 11279250
    Abstract: Various electric scooter docking stations are described herein. In some embodiments, the electric scooter docking stations facilitate collection, movement, and/or storage of the electric scooters in a compact, elegant, and efficient configuration. For example, the electric scooter docking stations can be configured to take advantage of a unique shape of an electric scooter, providing the storage and positioning of many electric scooters in a compact area. Also, the electric scooter docking stations can be simple structures that facilitate self-powered movement of electric scooters within the electric scooter docking stations.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: March 22, 2022
    Assignee: NEPTUNE SCOOTERS
    Inventors: Forrest Jean North, Javier Gonzalez Carracelas, Ricardo Abdiel Mora Gonzalez, Steven Thomas Snyder, Michelle Valerie Carlomusto, Justin David Almeleh, Matthew Coleman Tindall, Ana Gabriela Costilla Gonzalez, Federico Vorrath Sepúlveda, Ernesto Alejandro Cantu Zamarrón, David Osman Doluca, Erik Daryl Aylen, Kyle Allen Hartelt
  • Patent number: 11277936
    Abstract: This application discloses a heat dissipator for a charging connector, a heat dissipation device and a vehicle. The heat dissipator comprises a body formed to have a cooling chamber and an internally circumferentially defined receiving hole, wherein the receiving hole is configured to accommodate the charging connector.
    Type: Grant
    Filed: September 29, 2018
    Date of Patent: March 15, 2022
    Assignee: BYD COMPANY LIMITED
    Inventors: Xingguo Wu, Hongjun Wang, Zhen Li
  • Patent number: 11277011
    Abstract: A voltage detector detects a voltage of each cell of a plurality of cells that are series-connected. A plurality of discharge circuits are respectively parallel-connected to the plurality of cells. A controller performs a control to equalize voltages or capacities of the plurality of cells to a target value by controlling discharge time of the plurality of discharge circuits, based on the voltages of the plurality of cells detected by the voltage detector. The controller sets the target value higher as an amount of change in the voltages of the plurality of cells in a predetermined period is larger.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: March 15, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Ryosuke Nagase, Shinya Nishikawa, Takashi Iida
  • Patent number: 11267351
    Abstract: In an electrical power conversion device including a step-up or boost converter and an inverter, a small-size and inexpensive power conversion device is provided in which its reactor and capacitors can be made more compact. The electrical power conversion device includes a boost converter connected to an electric energy storage device, an inverter connected on an output side of the boost converter, and a controller for performing a turn-on/turn-off control on semiconductor switching devices of the boost converter and semiconductor switching devices of the inverter; and the semiconductor switching devices of the boost converter are made of an SiC semiconductor, and the semiconductor switching devices of the inverter are made of an Si semiconductor.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: March 8, 2022
    Assignee: Mitsubishi Electric Cornoration
    Inventor: Mao Kawamura
  • Patent number: 11267361
    Abstract: Provided herein are a system and method for ordered charging management of a charging station. The system includes a charging station control-management device, a charging pile monitoring device and a system platform server. The system platform server is configured to send a power capacity of the charging station to the charging station control-management device corresponding to the charging station. The charging pile monitoring device is configured to collect an operating parameter of a charging pile corresponding to the charging pile monitoring device and to send the operating parameter to the charging station control-management device. The charging station control-management device is configured to determine whether the charging station has a power headroom according to the power capacity and the operating parameter of all charging piles at the charging station after receiving a charging request sent by the charging pile monitoring device.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: March 8, 2022
    Inventors: Chunlin He, Peijun Chen, Zhengxian Zheng, Xingping Yan
  • Patent number: 11264821
    Abstract: The present invention relates to a bidirectional on-board charger (OBC) and a method of controlling the same. The bidirectional on-board charger according to the present invention includes: an input power source which is a power source of a charging control system; a power factor corrector (PFC) which is connected to the input power source; a direct current/direct current (DC/DC), circuit which is connected to the power factor corrector and includes a switching unit and an output terminal; a first switch which is On/Off controlled to connect any one of: a first line for connecting the input power source and the power factor corrector and a second line for connecting the power factor corrector and an output terminal of the DC/DC circuit; and a second switch which is disposed between the switching unit and the output terminal of the DC/DC circuit and On/Off controlled.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: March 1, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Si-Hun Yang, Jong-Pil Kim, Jin-Young Yang, Jin-Myeong Yang, Woo-Young Lee
  • Patent number: 11264798
    Abstract: A charging station for charging a plurality of electric vehicles, in particular electric automobiles, comprising: a supply device, in particular for connection to an electricity supply grid for supplying the charging station with electric power, a plurality of charging terminals for charging in each case at least one electric vehicle, and each charging terminal comprises a supply input for drawing electric power from the supply device, a charging output with one or more charging connections for outputting a respective charging current for charging a respective connected electric vehicle, and at least one DC chopper arranged between the supply input and the charging output in order to generate a respective chopper current from the electric power of the supply device, or as an alternative at least one chopper terminal arranged between the supply input and the charging output in order to provide a chopper current generated outside the charging terminal by a DC chopper, in particular chopper current generated in
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: March 1, 2022
    Assignee: Wobben Properties GmbH
    Inventors: Johannes Brombach, Christian Strafiel, Stefan Gertjegerdes
  • Patent number: 11254233
    Abstract: A charge-discharge management system according to the present disclosure includes a plurality of electric vehicles wherein each electric vehicle has a storage battery, a charge-discharge facility that charges and discharges the storage batteries of the plurality of electric vehicles, and a charge-discharge management device that controls charging and discharging actions of the charge-discharge facility. Each electric vehicle of the plurality of electric vehicles is configured to exchange electricity of the storage battery of the electric vehicle of the plurality of electric vehicles by another electric vehicle through the charge-discharge facility.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: February 22, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Satoshi Tsuda
  • Patent number: 11247576
    Abstract: Disclosed is a power factor correction circuit including a plurality of legs connected in parallel and each leg including two switching devices connected in series, a plurality of inductors, each inductor having one terminal connected to an interconnection node of the two switching devices in a corresponding one of the plurality of legs, and a controller configured to control on/off states of the switching devices of the plurality of legs in a pulse width modulation manner such that each of the inductors of the plurality of inductors is built up twice or more in one switching period of the switching devices when an alternating current (AC) voltage is input to the other terminal of each inductor of the plurality of inductors.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: February 15, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: In Yong Yeo, Woo Young Lee, Gyu Yeong Choe, Jin Young Yang, Ji Han Lee, Si Hun Yang, Young Jin Kim, Min Seong Choi, Jong Pil Kim
  • Patent number: 11247582
    Abstract: Control electronics for a battery system of a vehicle with a low voltage battery include a first direct current to direct current (DC/DC) converter including a first input terminal configured to be connected to the battery system, and an output terminal connected to a microcontroller, a wake-up circuit including a low voltage sub circuit and a sub circuit on a high voltage side that are galvanically isolated, and a second DC/DC converter including an input terminal configured to be connected to the low voltage battery, and an output terminal connected to the wake-up circuit, wherein the low voltage sub circuit is configured to transmit electrical energy received from the second DC/DC converter to the sub circuit on the high voltage side, and wherein the sub circuit on the high voltage side is configured to receive electrical energy from the low voltage sub circuit and to transmit the electrical energy to the first DC/DC converter.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: February 15, 2022
    Assignee: SAMSUNG SDI CO., LTD.
    Inventor: Maximilian Hofer
  • Patent number: 11245267
    Abstract: A battery module for use in a battery system is coupled with other battery modules in the battery system in a daisy-chain configuration. And, the battery module communicates with the other battery modules through a daisy chain according to a communication interface protocol which has a predetermined number of clock pulses. The battery module includes a battery unit and a battery control circuit. When the battery module operates in a bottom mode, the battery control circuit generates an upstream clock output signal which includes the predetermined number of clock pulses plus a number of inserted clock pulses, to compensate a clock difference caused by a propagation delay of the daisy chain, such that the battery module is able to synchronously receive a downstream data signal transmitted from a target module via the daisy chain as the battery module is transmitting an upstream clock output signal.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: February 8, 2022
    Assignee: RICHTEK TECHNOLOGY CORPORATION
    Inventor: Wei-Hsu Chang
  • Patent number: 11245274
    Abstract: A rechargeable battery jump starting device with a control switch (e.g. rotary control switch) and an optical position sensing switch system to determine the position of the control switch. The optical position sensing switch system includes an optical position sensor using optical coupling to insure the integrity of isolation on the 12V to 24V master switch to allow for a safe and effective operation, and configured so that the microcontroller unit reads the position on the master switch.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: February 8, 2022
    Assignee: THE NOCO COMPANY
    Inventors: Jonathan Lewis Nook, William Knight Nook, Sr., James Richard Stanfield, Derek Michael Underhill
  • Patent number: 11235678
    Abstract: A charging system of an electrical automobile vehicle includes a converter unit and a first energy storage system of within a first automobile vehicle. A charging cable is releasably connected from the first energy storage system to a charging station or is releasably connected to a second energy storage system of a second automobile vehicle. A vehicle charging controller is connected to the converter unit and programmed to communicate with the charging station and to the second energy storage system. A plurality of low-loss switching devices of the converter unit are selectively operated by signals from the vehicle charging controller to position the plurality of low-loss switching devices in an on-state (ON) or an off-state (OFF) to control charging the first energy storage system from the charging station or charging the second energy storage system from the first energy storage system.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: February 1, 2022
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Lei Hao, Venkata Prasad Atluri, Chandra S. Namuduri, Suresh Gopalakrishnan
  • Patent number: 11239756
    Abstract: Embodiments of the application disclose a troubleshooting method and device. The method is applicable to an inverter power supply system in the power supply device. The inverter power supply system includes at least two direct current to direct current (DC/DC) power supply modules, and any DC/DC power supply module of the at least two DC/DC power supply modules includes fuses F1 and F2, relays K1 and K2, inductors L1 and L2, switch modules Q1, Q2, and Q3, and direct current bus capacitors C1 and C2. The troubleshooting method includes: if it is detected that any DC/DC power supply module of the at least two DC/DC power supply modules is a faulty module, determining a faulty component in the faulty module; and if the faulty component is a C1 or a C2, and the inverter power supply system is in a battery discharging mode, turning on a Q2 in the faulty module, so that an F1 and an F2 of the faulty module are blown, thereby disconnecting the faulty module from another DC/DC power supply module.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: February 1, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhengdong Jiang, Bo Xiao