Patents Examined by Yalkew Fantu
  • Patent number: 11984742
    Abstract: A smart ring may be configured with a removable power source and an internal power source. The internal power source may enable continued operation of the smart ring disposed at a finger of a user, while the removable power source may be detached from the smart ring for charging or to be replaced with another charged removable power source. The removable power source may be disposed as a platform at an outer surface of a band-shaped housing of the smart ring, for example, via an adapter.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: May 14, 2024
    Assignee: BLUEOWL, LLC
    Inventor: Kenneth Jason Sanchez
  • Patent number: 11984748
    Abstract: The invention discloses a full current control battery module and an energy storage system of full current control battery, belonging to the field of electric energy storage, wherein the full current control battery module comprises an energy transmission control unit, a relay energy unit and a current control unit. The invention can realize the separate current control of each battery module and isolate the influence of the current generated by the external DC system on the battery module.
    Type: Grant
    Filed: May 17, 2023
    Date of Patent: May 14, 2024
    Assignees: XIAMEN HECHU ENERGY TECHNOLOGY CO., LTD., CSG POWER GENERATION (GUANGDONG) ENERGY STORAGE TECHNOLOGY CO., LTD.
    Inventors: Weixing Lin, Wenping Zuo, Zhiqiang Wang, Bangjin Liu, Chao Dong
  • Patent number: 11984750
    Abstract: The present disclosure provides a battery management system including a reception unit configured to receive a start signal and a completion signal of job from another battery management system, a transmission unit configured to transmit the start signal and the completion signal of job by broadcast, a storage unit configured to store a time table including a job code of a plurality of jobs to be executed, a priority of corresponding job, and an execution time and period of corresponding job, a synchronization unit configured to execute synchronization of a job execution time using the received start signal or the received completion signal of job and the time table, and a job execution unit configured to execute a job using the time table stored in the storage unit and a time calculated by the synchronization unit.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: May 14, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jung Hyun Kwon, Chan Ha Park
  • Patent number: 11979037
    Abstract: A photovoltaic module including a photovoltaic panel and an electrical circuit connected thereto. The photovoltaic panel may include multiple bus bars connected to an input of the electrical circuit. The electrical circuit may include at least one input bypass circuit connected across the bus bars at the input of the electrical circuit. Circuitry may include a switch connected between the input and the output of the electrical circuit. The circuitry may function to disconnect the photovoltaic panel from the output of the electrical circuit. An output bypass circuit is connected to the output of the electrical circuit. The output of the electrical circuit is connectible to a second like electrical circuit of a second like photovoltaic module. The output bypass circuit may be an active bypass circuit which draws power from the output of the electrical circuit.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: May 7, 2024
    Assignee: Solaredge Technologies Ltd.
    Inventors: Liron Har-Shai, Alon Zohar
  • Patent number: 11973367
    Abstract: A circuit for effectively controlling the process of pre-charging a power capacitor, comprising an integrator circuit consisting of an operational amplifier implementing a voltage dependent current source, the power capacitor is being connected between the output of the integrator and ground; a high side driver connected to the positive input of the integrator via a serial current limiting resistor, for generating control signals provided to the dependent current source, the negative terminal of the driver being connected to the negative input of the integrator; a control capacitor connected between the positive input of the operational amplifier and ground. Upon activating the driver by an activation pulse, the power capacitor is being charged in a constant current determined by the current limiting resistor, until reaching a desired voltage, while the voltage across the power capacitor follows the volage across the control capacitor.
    Type: Grant
    Filed: October 27, 2022
    Date of Patent: April 30, 2024
    Assignee: IRP Nexus Group Ltd.
    Inventors: Shmuel Ben-Yaacov, Yivgeni Semidotskih, Paul Price
  • Patent number: 11970067
    Abstract: A switching circuit for controlling charging input from a DC source to at least one inverter circuit, each inverter circuit corresponding to at least one respective battery, the switching circuit is provided with a switching device which when positioned in series with the inverter circuit and the DC source, the switching device configured to control the charging input provided to the at least one respective battery, the switching device controllable in conjunction with switches in the at least one inverter circuit based on at least one voltage of the at least one respective battery.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: April 30, 2024
    Assignees: THE GOVERNING COUNCIL OF THE UNIVERSITY OF TORONTO, ELEAPPOWER LTD.
    Inventors: Peter Waldemar Lehn, Ruoyun Shi, Theodore Soong
  • Patent number: 11973195
    Abstract: Methods and apparatuses are described for use in self-reconfigurable multi-cell batteries. The methods include receiving, by a controller, a communication from an external unit, and reconfiguring a multi-cell battery based on the communication. The external unit includes one of a load and a battery charger. The multi-cell battery includes a plurality of switches and a plurality of battery cores operatively coupled to each other, wherein each battery core includes at least one battery cell. The plurality of switches may be controlled to reconfigure the multi-cell battery based on the communication received from the external unit. The multi-cell battery may be reconfigured by connecting the plurality of battery cores in a series configuration or a parallel configuration.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: April 30, 2024
    Assignee: Gbatteries Energy Canada Inc.
    Inventors: Mykola Sherstyuk, Tymofiy Sherstyuk, Mikhail Prokoptsov
  • Patent number: 11973416
    Abstract: A portable electric energy storage system and a power regulation method thereof are provided. The portable electric energy storage system includes a housing, and an inverter and an energy storage battery disposed in the housing, and further includes: a power detector configured to detect a present power Pt of a connected load; a first comparator configured to compare the present power Pt with a rated power Pe of the inverter; a first actuator configured to regulate an output power of the inverter to a first preset power P1 if the present power Pt is greater than the rated power Pe of the inverter; and a second actuator configured to gradually regulate the output power of the inverter to a second preset power P2 after the connected load is driven to start operation or operate for a period of time; or determine whether to stop driving output of the load.
    Type: Grant
    Filed: April 3, 2023
    Date of Patent: April 30, 2024
    Assignee: ZHEJIANG LERA NEW ENERGY POWER TECHNOLOGY CO., LTD
    Inventors: Rongjiang Yin, Huabin Hu, Xijun Guo, Qiang Deng
  • Patent number: 11967843
    Abstract: Provided are a battery protection circuit and a lithium battery system. The battery protection circuit includes a switch circuit, a drive control circuit, a reverse connection protection circuit and a power supply circuit. A first input terminal of the reverse connection protection circuit is connected to an output terminal of the power supply circuit. An output terminal of the reverse connection protection circuit is connected to a second input terminal of the drive control circuit. The reverse connection protection circuit is configured to output a reverse connection control signal when the battery is reversely connected to a charger. The drive control circuit is configured to control, according to the reverse connection control signal, the switch circuit to turn off.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: April 23, 2024
    Assignee: SUZHOU XYSEMI ELECTRONIC TECHNOLOGY CO., LIMITED
    Inventors: Jinmao Jiang, Jian Tan
  • Patent number: 11964586
    Abstract: A battery management system including a first connection unit, a first slave controller and a master controller. The first connection unit electrically connects a first battery cell included in a first battery group to the first slave controller. Power from the first battery group is supplied to the first slave controller through a first power line included in the first connection unit. The first slave controller determines a first reference voltage value indicating a voltage of the first battery cell during the execution of the first communication mode, and determines a first comparative voltage value indicating a voltage of the first battery cell during the execution of the second communication model. The master controller determines whether the first power line has an open circuit fault based on the first reference voltage value and the first comparative voltage value.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: April 23, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventor: Jong-Wan Kim
  • Patent number: 11967850
    Abstract: Uses of artificial intelligence in battery technology including a method that includes receiving a trained model, receiving sensor data from at least one sensor associated with a battery, and executing the trained model by a processor. Executing the trained model includes providing the sensor data as input to the trained model to generate a model output. The method also includes sending, from the processor to a charge controller coupled to the battery, a control signal that is based on the model output and automatically, by the charge controller, initiating or terminating charging of the battery based on the control signal.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: April 23, 2024
    Assignee: SPARKCOGNITION, INC.
    Inventor: Syed Mohammad Amir Husain
  • Patent number: 11962048
    Abstract: A fuel cell system includes a fuel cell stack and a control device that controls operation of the fuel cell system based on a measured voltage value measured by a voltage sensor. When the fuel cell system is started and a value measured by a temperature sensor is equal to or less than a temperature determined in advance, the control device raises the voltage of the fuel cell stack until a voltage condition determined in advance is met, by supplying a cathode with an oxidant gas before current sweep is started. The control device sets a voltage command value and a current command value such that an operation point of the fuel cell stack is on an equal power line of the fuel cell stack when the operation point is caused to transition in at least a part of a transition period.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: April 16, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Ryouichi Namba, Masahiro Ito, Manabu Takahashi, Tomotaka Ishikawa
  • Patent number: 11951866
    Abstract: A method for determining an operating temperature of a battery cell in which (i) a value of a measure variable for determining an external temperature of the battery cell is detected, (ii) an internal temperature of the battery cell is determined by detecting an electrical impedance of the battery cell, and (iii) a value of the operating temperature of the battery cell is determined from the external and/or the internal temperature. The internal temperature of the battery cell in a first operating state of the battery cell is determined more frequently when the value of the determined external temperature, the internal temperature and/or the operating temperature lies within a predefined first safe range, and is determined less frequently when the value of the determined external temperature, the internal temperature and/or the operating temperature lies outside the predefined first safe range.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: April 9, 2024
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Jennifer Mueller, Jan Philipp Schmidt, Hermann Zehentner
  • Patent number: 11951318
    Abstract: Devices and methods described herein relate to wireless recharging from a distance, and increasing the efficiency of such charging by intelligently or autonomously changing the rectification mode of the implanted device.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: April 9, 2024
    Assignee: Medtronic, Inc.
    Inventors: Andrew Fried, Todd V. Smith
  • Patent number: 11949260
    Abstract: An inductance component has a given value causing a time constant of a circuit composed of one of first and second routes in which an abnormality does not occur and a connection path connecting the first and second routes not to allow a voltage of one of loads disposed in the other one of the routes to decrease to less than a lower limit of an operating voltage of one of loads during a shut-off period, which starts from a time when it is determined by an abnormality determiner that an abnormality has occurred in any one of the first route and the second route to a time when an inter-route switch enters a switched off state upon receiving a switch-off command from a state controller.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: April 2, 2024
    Assignee: DENSO CORPORATION
    Inventor: Tetsuo Morita
  • Patent number: 11938831
    Abstract: An integrated fuel management system can include a switching unit coupled to an electric vehicle (EV) charging station, a computer system, a first electronic unit, and a second electronic unit. The first electronic unit can be coupled to the switching unit and operable for providing state information for the EV charging station to the computer system. The second electronic unit can be coupled to a fueling station for types of vehicles that use fuel and operable for providing state information for the fueling station to the computer system. Further, the computer system can be operable for displaying the state information for the EV charging station and for displaying the state information for the fueling station.
    Type: Grant
    Filed: March 10, 2023
    Date of Patent: March 26, 2024
    Assignee: CyberSwitchingPatents, LLC
    Inventors: Ronald L. Silorio, Thomas M. Bates, Damon Hahn, Christopher M. Bates
  • Patent number: 11942800
    Abstract: Various embodiments of the present invention relate to wireless power transfer (WPT).
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: March 26, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yongsang Yun, Chihyun Cho, Yusu Kim
  • Patent number: 11929470
    Abstract: An electric power charge and discharge system for an electronic device having a battery, by which the electronic device can be used for a long period of time. In a wireless communication device including a wireless driving portion including a first battery and a wireless charging portion including a second battery, the first battery is charged by electric power from a fixed power supply and the second battery is charged by using electromagnetic waves existing in an external space. Further, the first battery and the second battery are discharged alternately, and during a period in which the first battery is discharged, the second battery is charged.
    Type: Grant
    Filed: March 28, 2023
    Date of Patent: March 12, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shuhei Nagatsuka, Akihiro Kimura
  • Patent number: 11923715
    Abstract: An apparatus is disclosed for adaptive multi-mode charging. In an example aspect, the apparatus includes at least one charger having a first node and a second node. The at least one charger is configured to accept an input voltage at the first node. The at least one charger is also configured to selectively operate in a first mode to generate a first output voltage at the second node that is greater than or less than the input voltage or operate in a second mode to generate a second output voltage at the second node that is substantially equal to the input voltage.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: March 5, 2024
    Assignee: QUALCOMM Incorporated
    Inventors: Chunping Song, Cheong Kun, Xiaolin Gao, Sanghwa Jung, Yue Jing
  • Patent number: 11923707
    Abstract: A battery protection circuit with a novel configuration and a power storage device including the battery protection circuit are provided. The battery protection circuit includes a switch circuit for controlling charge and discharge of a battery cell; the switch circuit includes a mechanical relay, a first transistor, and a second transistor; the switch circuit has a function of controlling electrical connection between a first terminal and a second terminal; the mechanical relay has a function of breaking electrical connection between the first terminal and the second terminal; the first transistor has a function of supplying first current between the first terminal and the second terminal; the second transistor has a function of supplying second current between the first terminal and the second terminal; and the first current is higher than the second current.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: March 5, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Takayuki Ikeda, Munehiro Kozuma, Takanori Matsuzaki, Akio Suzuki, Seiya Saito