Patents Examined by Arun C Williams
  • Patent number: 12388296
    Abstract: A non-contact power reception apparatus is provided, in which a power reception coil for a charging system and a loop antenna for an electronic settlement system are mounted on a battery pack and a cover case of a portable terminal such that the power reception coil is arranged in the center thereof and the loop antenna is disposed outside the power reception coil, so that a mode of receiving a wireless power signal and a mode of transmitting and receiving data are selectively performed, thereby preventing interference from harmonic components and enabling non-contact charging and electronic settlement using a single portable terminal. A jig for fabricating a core to be mounted to the non-contact power reception apparatus is provided.
    Type: Grant
    Filed: March 3, 2023
    Date of Patent: August 12, 2025
    Assignee: GE Hybrid Technologies, LLC
    Inventors: Chun-Kil Jung, Yoon-Sang Kuk
  • Patent number: 12377737
    Abstract: A wireless power reception system 1 includes: a power reception device 5 including a power reception coil 51 that receives power supplied wirelessly from a power transmission coil 41 of a power transmission device 4 installed in a road surface, at least a portion of the power reception coil 51 being housed in a wheel 3 of a moving body 2; and an onboard device 6 which is installed in the moving body 2 and which is electrically connected to the power reception device 5, wherein the power reception device 5 can transmit received power to the onboard device 6, and the power reception coil 51 includes a stacked plurality of spiral coil layers 52a and 52b.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: August 5, 2025
    Assignees: THE UNIVERSITY OF TOKYO, BRIDGESTONE CORPORATION, NSK Ltd.
    Inventors: Hiroshi Fujimoto, Osamu Shimizu, Keizo Akutagawa, Yasumichi Wakao, Isao Kuwayama, Daisuke Gunji
  • Patent number: 12370917
    Abstract: An example operation includes one or more of determining a first transport attempting to access a bay with a charging station can utilize the charging station and has a higher priority than a second transport utilizing the charging station in the bay and notifying the second transport to cease utilizing the charging station and to vacate the bay after a time.
    Type: Grant
    Filed: January 19, 2022
    Date of Patent: July 29, 2025
    Assignee: TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
    Inventors: Max K. Ralya, Tapan V. Patel, Benjamin J. Groelke
  • Patent number: 12362585
    Abstract: The concepts herein provide a method and associated system for charging a battery, such as a vehicle battery that is part of a propulsion system. The method includes determining a charging current profile for a lithium metal anode of the battery, determining an increasing current charging protocol based upon the charging current profile and charging the battery based upon the increasing current charging protocol.
    Type: Grant
    Filed: May 18, 2022
    Date of Patent: July 15, 2025
    Assignee: GM Global Technology Operations LLC
    Inventors: Jing Gao, Brian J. Koch
  • Patent number: 12355295
    Abstract: A battery system includes: at least two battery packs; a plurality of first relays, each first relay being connected to a respective one of the at least two battery packs; and an auxiliary battery, a first battery pack among the at least two battery packs with a highest voltage is discharged to the auxiliary battery through the first relay connected to the first battery pack so that a voltage of the first battery pack approaches a voltage of another battery pack, a second battery pack with a lowest voltage is charged by the auxiliary battery through the first relay connected to the second battery pack so that the voltage of the second battery pack may approach the voltage of the another battery pack, and the at least two battery packs are connected in parallel.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: July 8, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventor: Ho Byung Yoon
  • Patent number: 12355293
    Abstract: A charging method, including: obtaining the number of charge-discharge cycles of a battery and an application scenario during charging; determining a target charging mode among at least two charging modes according to the number of charge-discharge cycles and the application scenario, in which different charging modes have different charging rates, and the charging modes with different charging rates have different charging damages to the battery; and charging the battery in the target charging mode.
    Type: Grant
    Filed: February 25, 2022
    Date of Patent: July 8, 2025
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventors: Jinlong Zhang, Renjie Chen, Zhiming He
  • Patent number: 12351046
    Abstract: Exemplary embodiments are directed to wireless charging and wireless power alignment of wireless power antennas associated with a vehicle. A wireless power charging apparatus includes an antenna including first and second orthogonal magnetic elements for detecting a horizontal component of a magnetic field generated from a second charging base antenna. A processor determines a directional vector between the antennas.
    Type: Grant
    Filed: December 13, 2023
    Date of Patent: July 8, 2025
    Assignee: WiTricity Corporation
    Inventors: Hans Peter Widmer, Nigel P. Cook, Lukas Sieber
  • Patent number: 12355279
    Abstract: A charging system includes a voltage conversion circuit, a control circuit, an input end Vin and an output end Vout. The voltage conversion circuit and the control circuit are connected to M batteries, the input end Vin is connected to an external power supply, and the output end Vout is connected to a load. The control circuit is configured to switch a connection relationship between the M batteries, to connect at least one of the M batteries to the voltage conversion circuit, where the connection relationship includes at least one of a serial connection or a parallel connection. The voltage conversion circuit is connected to the input end Vin and the output end Vout; is configured to receive power from the external power supply through the input end Vin, and charge the at least one battery; and is further configured to supply power to the load through the output end Vout.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: July 8, 2025
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhangrong Hu, Xiaoshan Shi
  • Patent number: 12347839
    Abstract: A charger including a housing including a front wall, a rear wall, a top wall, a bottom wall, a first side wall, and a second side wall, an interface configured to engage a battery pack, and an air conditioning assembly coupled within the housing adjacent the interface. The air conditioning system is operable to suck an ambient air flow into the housing from outside the housing, reduce a temperature of the air flow to create a cooling air flow, and guide the cooling air flow to the battery pack interface.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: July 1, 2025
    Assignee: Milwaukee Electric Tool Corporation
    Inventor: Jiannan Tan
  • Patent number: 12348055
    Abstract: An example near-field charging system includes a housing that includes a charging surface and at least one other surface, a radiating antenna, and a non-radiating element positioned above the radiating antenna within the housing such that the non-radiating element is closer to the charging surface than the radiating antenna. The radiating antenna produces a first electromagnetic-field distribution that is received by a receiver, the first electromagnetic-field provides usable power when the receiver is placed at any position on a first portion of the charging surface. The non-radiating element changes a distribution characteristic of the first electromagnetic-field distribution to produce a second electromagnetic-field distribution, the second electromagnetic-field distribution providing usable power to the receiver when the receiver is placed at any position across a second portion of the charging surface of the housing, and the second portion is at least 10% percent greater than the first portion.
    Type: Grant
    Filed: September 13, 2023
    Date of Patent: July 1, 2025
    Assignee: Energous Corporation
    Inventors: Sohini Sengupta, Yunhong Liu, Tuomo Katajamaki
  • Patent number: 12341203
    Abstract: High voltage battery contactor welding prevention techniques for an electrified vehicle include, in response to a request to perform a high voltage connection procedure, utilizing a supervisory controller to monitor a voltage of the low voltage battery system to determine whether a low voltage battery system of the vehicle has a voltage level sufficient to open/hold the set of contactors during the high voltage connection procedure, when the low voltage battery system has sufficient voltage, commanding by the supervisory controller to a sub-controller to perform the high voltage connection procedure, and when the low voltage battery system does not have sufficient voltage, displaying a low voltage indicator for a user to recharge the low voltage battery system before the high voltage connection procedure can occur.
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: June 24, 2025
    Assignee: FCA US LLC
    Inventors: Abhilash Gudapati, Zhentao Xie, Rudolf Kharpuri
  • Patent number: 12341164
    Abstract: An electric energy storage device, the electric energy storage device configured to be detachably coupled with an electrical device, the electric energy storage device comprises a housing, N sets of battery units received in the housing, N being a composite number, each battery unit comprising at least one battery cell, a plurality of switches, each switch connected to the output end of two different battery units, a control unit electrically connected to the switches and configured to control the switches to switch on or off in order to connect the battery units in parallel or series, wherein the electric energy storage device can output at least three different voltages. The electric energy storage device can be used for different types of power tools with different voltage requirements.
    Type: Grant
    Filed: October 24, 2023
    Date of Patent: June 24, 2025
    Assignee: Greenworks (Jiangsu) Co., Ltd
    Inventors: Baoan Li, Xi Li, Xinzhong Guo
  • Patent number: 12341375
    Abstract: The present disclosure provides a system and method for managing the state of charge of an energy storage system that is used as a backup power supply source in an electrical system. The energy storage system can operate in a selected mode of operation that includes a normal mode, a hibernation mode, and a suspension mode. A controller of the energy control system can determine the selected mode of operation for the energy storage system based on the current time of the day and electronic data related to a backup PV power generation system, the energy storage system, and a plurality of loads.
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: June 24, 2025
    Assignee: UNIRAC, INC.
    Inventors: Rasoul Ghadami, Sandeep Narla, Daidipya Patwa, Udo Uebel, Joseph Griffin
  • Patent number: 12332657
    Abstract: A fleet management system dispatches autonomous electric vehicles (AEVs) as on-demand power sources. The fleet management system receives a request for a power source including a location and data describing the amount of power requested. The fleet management system selects an AEV of the fleet to service the request based on the relative locations of the AEVs to the requested location, and based on the amount of power requested. The fleet management system instructs the selected AEV to drive to the location and supply power. The fleet management system instructs the selected AEV to disconnect and return to the charging station, and may instruct another AEV to continue fulfilling the request if additional power is needed.
    Type: Grant
    Filed: February 22, 2023
    Date of Patent: June 17, 2025
    Assignee: GM Cruise Holdings LLC
    Inventors: Tracy Cheung, Adam Mandel-Senft, Daniel Henry Curzon, Michael Frank Schmidt
  • Patent number: 12316155
    Abstract: A system for a direct current (DC) to DC converter, the system comprising one or more transformers, a bridge driver connected to a primary side of the one or more transformers, a first bridge rectifier connected to a secondary side of the one or more transformers, a second bridge rectifier connected to a secondary side of the one or more transformers, and one or more secondary configuration switches operable to configure the first bridge rectifier and the second bridge rectifier into each of a single rectifier configuration, a parallel rectifier configuration, and a series rectifier configuration.
    Type: Grant
    Filed: May 18, 2022
    Date of Patent: May 27, 2025
    Assignee: BorgWarner Luxembourg Automotive Systems S.A.
    Inventors: Venkata Jaya Sai Praneeth Ammanamanchi, Alexandre M. S. Reis, Julien Schmitt
  • Patent number: 12301029
    Abstract: A control device classifies a plurality of batteries included in a battery string into a first battery (e.g., Ni-MH) and a second battery (e.g., LiB). When a predetermined first condition is satisfied, the control device connects, to a power supply circuit, only the first battery among the batteries included in the battery string. When a predetermined second condition is satisfied, the control device connects, to the power supply circuit, only the second battery among the batteries included in the battery string.
    Type: Grant
    Filed: March 16, 2022
    Date of Patent: May 13, 2025
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Masahiko Mitsui
  • Patent number: 12291117
    Abstract: An apparatus for charging electric vehicles is provided. The apparatus includes a housing, a sleeve extending from the housing, a first nozzle assembly designed to move inside the sleeve and to engage a charging port of an electric vehicle, and a second nozzle assembly designed to move inside the sleeve independently of the first nozzle assembly. The second nozzle assembly has a recess for receiving a locking pawl of the charging port. The second nozzle assembly is designed to be fully inserted into the charging port before the first nozzle assembly is fully inserted into the charging port. The recess receives the locking pawl after the ground pin engages the inlet ground pin. The first nozzle assembly is designed to be fully inserted into the charging port after the locking pawl is secured inside the recess of the second nozzle assembly.
    Type: Grant
    Filed: January 14, 2025
    Date of Patent: May 6, 2025
    Assignee: Procom Engineering, Inc.
    Inventors: Wesley Zhou, Ritzo Muntinga
  • Patent number: 12294062
    Abstract: A battery system comprises a battery pack, an equalization unit, and a battery ECU. The battery pack includes a plurality of blocks connected in series. The equalization unit performs equalization control to equalize the plurality of blocks in voltage. The battery ECU obtains a determined equalization time, and controls the equalization unit to end the equalization control when the equalization time has elapsed since the equalization control was started.
    Type: Grant
    Filed: March 18, 2022
    Date of Patent: May 6, 2025
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, SUBARU CORPORATION
    Inventors: Hiroshi Yoshida, Takahiko Nakagawa, Kenta Uwai
  • Patent number: 12286024
    Abstract: A charging system which charges a power storage device mounted on a moving object, includes: an electric power conversion device that converts electric power supplied from a commercial power supply; a kinetic energy storage device that stores kinetic energy; and a rotary electric machine that is electrically connected to the electric power conversion device and is mechanically connected to the kinetic energy storage device.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: April 29, 2025
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Jun Araki, Atsushi Nakajima
  • Patent number: 12289004
    Abstract: Systems, methods, and articles for a portable power case are disclosed. The portable power case is comprised of at least one battery and at least one PCB. The portable power case is operable to supply power to a transceiver. The portable power case is operable to be charged using a DC power source (e.g., solar panel, wind turbine, water turbine). A plurality of portable power cases, DC power sources, and transceivers are operable to form a mesh network.
    Type: Grant
    Filed: June 12, 2024
    Date of Patent: April 29, 2025
    Assignee: LAT Enterprises, Inc.
    Inventors: Laura Thiel, Giancarlo Urzi, Carlos Cid