Patents Examined by Samuel Berhanu
  • Patent number: 10892624
    Abstract: Methods and systems for selectively connecting a plurality of battery cells in a dual-mode battery pack in series and parallel configurations and/or for individual cell monitoring. A dual-mode battery pack may generally include a housing; a first set of battery cells connected in series; and a second set of battery cells connected in series. The battery pack may also include series connection contacts selectively connectable to the first set of battery cells and to the second set of battery cells and, when engaged, connecting the first set of battery cells and the second set of battery cells in a series configuration; and parallel connection contacts selectively connectable to the first set of battery cells and the second set of battery cells and, when engaged, connecting the first set of battery cells and the second set of battery cells in a parallel configuration.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: January 12, 2021
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Matthew J. Mergener, Jeffrey M. Brozek, Christian Funda, Nicholas Konetzke
  • Patent number: 10892626
    Abstract: The present application is directed in particular to a power adapter, adapted to be connected on the one hand to a power interface of a cordless power tool and adapted to be connected on the other hand to an energy source, in particular mobile energy source, for electrically power the power tool via the power adapter.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: January 12, 2021
    Assignee: HUSQVARNA AB
    Inventors: Joachim Rief, Corinna Mönch, Fritz Laible, Peter Rudolf, Tobias Zeller
  • Patent number: 10892632
    Abstract: Methods, systems, and device for wirelessly charging a device. The inductive charging system includes a power source for providing an electrical charge that is wirelessly transferred or emitted to charge a first device. The inductive charging system includes a configurable grid that is configured to form a first inductive loop and multiple switches. Each switch is configured to open and close to electrically connect different portions of the configurable grid. The inductive charging system includes a processor connected to the multiple switches. The processor is configured to operate the multiple switches to open and close the portions of the configurable grid to form the first inductive loop that wirelessly transfers the electrical charge to the first device.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: January 12, 2021
    Assignee: TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
    Inventors: Chi-Ming Wang, Ercan M. Dede
  • Patent number: 10879715
    Abstract: The invention provides a method for improving temperature management of a battery pack. The battery pack may comprise a battery cell charged via at least one supply trace of a PCB (printed circuit board), a protection circuit module mounted on the PCB and coupled to the at least one supply trace, and a plurality of temperature sensors respectively reflecting a temperature of the battery cell and a temperature of the PCB. The method may comprise: measuring a cell temperature and a PCB temperature by the temperature sensors; when charging the battery cell by a charging current and a charging voltage, controlling the charging voltage and the charging current according to the cell temperature, and adjusting the charging current further according to the PCB temperature, so as to constrain the temperature of the PCB.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: December 29, 2020
    Assignee: MEDIATEK INC.
    Inventors: Chih-Yuan Hsu, Chi-Ming Lee, Shih-Ming Chen
  • Patent number: 10879724
    Abstract: Provided are a wireless charging and communication board, and a wireless charging and communication device, the wireless charging and communication board including: a soft magnetic layer; a polymeric material layer arranged on one surface and the other surface of the soft magnetic layer and extending longer than an exposed portion of the soft magnetic layer; and a coil pattern arranged on the polymeric material layer.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: December 29, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jai Hoon Yeom, Sang Won Lee, Seok Bae, So Yeon Kim, Jin Mi Noh, Ji Yeon Song, Hee Jung Lee
  • Patent number: 10879719
    Abstract: A regulator control circuit which is configured to control a switching regulator: a feedback comparator configured to compare a signal representative of a reference voltage with a signal representative of a voltage output of the switching regulator and to output a control signal for controlling the operation of the switching regulator dependent on the signals received by the feedback comparator; and a current feedback controller connected to the feedback comparator and configured to receive a signal representative of a current output by the switching regulator and determine whether the regulator control circuit adopts a first or second mode of operation based on the signal representative of a current output, such that, in the first mode of operation, the control signal is for controlling the switching regulator in accordance with a constant voltage control scheme and, in the second mode of operation, the control signal is for controlling the switching regulator in accordance with a constant current control sc
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: December 29, 2020
    Assignee: Haldex Brake Products Aktiebolag
    Inventor: Steven Horton
  • Patent number: 10879706
    Abstract: A battery balancing method and circuit for balancing the voltages between battery units with a fly capacitor. In a first time period of a switching cycle, the first battery unit is used to charge the fly capacitor or the first battery unit is used to discharge the fly capacitor, depending on which of the first battery unit and the fly capacitor having a larger voltage value; and in a second time period of the switching cycle, the second battery unit is used to charge the fly capacitor or the second battery unit is used to discharge the fly capacitor, depending on which of the second battery unit and the fly capacitor having a larger voltage value.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: December 29, 2020
    Assignee: Chengdu Monolithic Power Systems Co., Ltd.
    Inventors: Rui Wang, Min Xu, Qiming Zhao
  • Patent number: 10862319
    Abstract: A power storage apparatus includes at least one battery module and a charging module. Each battery module includes a battery assembly, a protection unit, and a detection unit. The protection unit is connected in series to the battery assembly. The detection unit is connected in parallel to the protection unit, and the detection unit has an indication element. The charging module is connected in parallel to the at least one battery module to charge the battery assembly. When a voltage difference value of the protection unit is greater than a voltage setting value, the voltage difference value enables the indication element. Accordingly, simple circuit components installed in each battery module are used to individually protect the battery module and detect an abnormal operation of the battery module.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: December 8, 2020
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Yuan-Fang Lai, Ying-Sung Chang
  • Patent number: 10859222
    Abstract: The present disclosed subject matter relates to an installation for illuminating an environment.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: December 8, 2020
    Assignee: ICGH INVESTMENT AND CONSULTING GMBH
    Inventor: Dieter Hornbachner
  • Patent number: 10862175
    Abstract: A battery fuel gauge circuit is coupled to a rechargeable battery. A first A/D converter samples a voltage VBAT of the battery. A logic circuit receives the output of the first A/D converter. The logic circuit acquires the output of the first A/D converter when an electronic device mounting the battery fuel gauge circuit is turned on for the first time.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: December 8, 2020
    Assignee: ROHM CO., LTD.
    Inventor: Kazuaki Shimada
  • Patent number: 10862306
    Abstract: An energy supply device to supply electrical energy for at least one terminal device, with a power grid connector for connection of the energy supply device to an alternating current power grid and with a rectifier device for conversion of an alternating current supplied via the power grid connector to a direct current in an intermediate circuit. In this case, a plurality of voltage transformers and a plurality of direct current terminals are provided, wherein the voltage transformers are each electrically connected, on the one hand, at least intermittently, to the intermediate circuit and, on the other hand, at least intermittently, to a direct current terminal of the plurality of direct current terminals.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: December 8, 2020
    Assignee: AUDI AG
    Inventor: Tobias Graßl
  • Patent number: 10850620
    Abstract: An operating method for a dual-voltage battery of a vehicle includes a plurality of battery cell blocks and a battery electronic system with a plurality of power switching elements for optionally connecting individual, in any case individual battery cell blocks, in parallel and/or in series, wherein a first battery cell block and at least one additional battery cell block of a group of battery cell blocks are connected in parallel in a first connection arrangement in order to provide a first voltage and in series in a second connection arrangement in order to provide a second voltage, wherein a parallel connection switch and a series connection switch are associated with the first battery cell block of the group of battery cell blocks to produce the parallel and/or series connection.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: December 1, 2020
    Assignee: HELLA GmbH & Co. KGaA
    Inventors: Sebastian Kahnt, André Koerner, Hans Joachim Liebscher
  • Patent number: 10848010
    Abstract: A battery management system for batteries at a geographical location may include wireless battery chargers at the geographical location for charging the batteries and wireless battery monitors at the geographical location associated with the batteries. The battery management system may also include a battery management cloud server for communicating with the wireless battery chargers and the wireless battery monitors to remotely determine a configuration of, and remotely collect charging data from, the wireless battery chargers, and remotely determine a configuration of, and remotely collect diagnostic measurement data for, the batteries based upon the wireless battery monitors. The battery management cloud server may also remotely process the collected charging data and diagnostic measurement data based upon the determined configurations of the batteries and the battery chargers.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: November 24, 2020
    Assignee: Advanced Charging Technologies Inc.
    Inventors: Nasser Kutkut, Thikrallah Shreah
  • Patent number: 10843573
    Abstract: A charging station is provided herein for being adapted to bear an unmanned vehicle. The charging station includes a platform and a charging mechanism. The charging mechanism is disposed on the platform, and the charging mechanism may be electrically connected to the unmanned vehicle for charging by a movement over the platform. In addition, a charging station module including a plurality of the aforesaid charging stations is also provided.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: November 24, 2020
    Assignee: Industrial Technology Research Institute
    Inventors: Yung-Chao Chen, Chien-Hung Lin, Yu-Sheng Lee, Tsung-Hsien Chen
  • Patent number: 10848000
    Abstract: A non-contact power receiving device is described which receives power from a non-contact power transmission device that transmits power using a power transmission coil, includes a power receiving coil, a power receiving circuit, and a power receiving control circuit. The power receiving coil is electromagnetically coupled to the power transmission coil. The power receiving circuit rectifies power that is generated in the power receiving coil. The power receiving control circuit temporarily increases a load that is connected to the power receiving circuit.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: November 24, 2020
    Assignee: TOSHIBA TEC KABUSHIKI KAISHA
    Inventors: Takuya Ogishima, Masakazu Kato
  • Patent number: 10840734
    Abstract: Example implementations relate to concurrent alternating-current and direct-current. In one example, a device comprises a power module connected to a first power outlet, the power module connected to a second power outlet, and a controller to the power module to concurrently provide alternating-current (AC) power to the first power outlet and direct-current (DC) power to the second power outlet by switching a transistor including switching circuitry in response to an absence of AC input power to the device.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: November 17, 2020
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Hai Ngoc Nguyen, Abhishek Banerjee
  • Patent number: 10826314
    Abstract: A wireless charger may include a transmitting coil to induce charging of a target device, a printed circuit board, a charger casing to include the transmitting coil and the printed circuit board, and a thermally conductive coating to dissipate heat. The transmitting coil may include at least one electrically conducting coil. The thermally conductive coating may be in direct contact with at least one of the transmitting coil, the printed circuit board, and the charger casing.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: November 3, 2020
    Inventors: Kuan-Ting Wu, Chienlung Yang, Kun Chih Wang
  • Patent number: 10826301
    Abstract: A self power-generating device for electric vehicles includes a positive charge generating converter, a negative charge generating converter, a transformer and batteries. One end of the positive charge generating converter is provided with a first electrode, the other end of the positive charge generating converter is provided with a second electrode. One end of the negative charge generating converter is provided with a third electrode, the other end of the negative charge generating converter is provided with a fourth electrode. The positive charge generating converter is serially connected to a first capacitor through wire. The negative charge generating converter is serially connected to the second capacitor through wire. The positive charge generating converter, the negative charge generating converter, the first capacitor and the second capacitor form a closed loop and the closed loop is coupled to the primary coil of the transformer to charge the battery.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: November 3, 2020
    Assignee: E-FREE POWER TECHNOLOGY, LNC
    Inventor: Xiyue Li
  • Patent number: 10819120
    Abstract: A converter apparatus for energy harvesting comprises a converter and an associated control device. The converter comprises a first charging circuit for charging a galvanic energy store (8) when a positive voltage of a connected energy harvesting device is applied and a second charging circuit for charging the galvanic energy store when a negative voltage of the connected energy harvesting device is applied. The charging circuits each have an electronic switch and an electrical energy store connected in series therewith. The control device is used to actuate the electronic switches on the basis of a polarity of the applied voltage of the energy harvesting device.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: October 27, 2020
    Assignee: Würth Elektronik eiSos GmbH & Co. KG
    Inventors: Mahmoud Shousha, Martin Haug
  • Patent number: 10814734
    Abstract: The embodiments described and claimed herein are apparatus, systems, and methods for charging an electric vehicle at a stationary service station. In one embodiment, the service station includes a power generation component including at least one fuel cell, a fuel supply component for supplying fuel to the power generation component, a charging component including at least one customer charging station, and a control component for controlling and monitoring the other components and for providing accounting and billing functions.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: October 27, 2020
    Inventors: Agim Gjinali, Brian Joseph O'Connor, Rron Gjinali