With Battery Or Cell Condition Monitoring (e.g., For Protection From Overcharging, Heating, Etc.) Patents (Class 320/134)
  • Patent number: 10666077
    Abstract: Systems, methods, and computer-readable media are disclosed for remote configuration of battery charging settings. In one embodiment, an example device may include a battery, at least one memory that stores computer-executable instructions, and at least one processor. The at least one processor may be configured to access the at least one memory and execute the computer-executable instructions to determine that a charger is connected to the device, determine a first length of time that a maximum charging voltage for the battery has been set to a first voltage value, determine that the maximum charging voltage is to be reduced from the first voltage value to a second voltage value, and charge the battery at a maximum of the second voltage value.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: May 26, 2020
    Assignee: Amazon Technologies, Inc.
    Inventors: Bhupal Kanaiyalal Dharia, Feng Wang, Jianlin Chen, Xuezhang Dong
  • Patent number: 10667166
    Abstract: An apparatus for cooperating with a mobile device having an embedded transceiver is disclosed. The apparatus includes a housing and a mechanical connector on the housing, the mechanical connector being configured to mechanically retain the mobile device. At least one port within the housing conveys energy to at least one auxiliary wireless transceiver associable with the apparatus. The apparatus is configured to cooperate with the mobile device when the mobile device is retained on the housing by the mechanical connector, to enable transmission of a first portion of a data stream over the at least one auxiliary transceiver while a second portion of the data stream is simultaneously transmitted over the embedded transceiver.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: May 26, 2020
    Assignee: LiveU Ltd.
    Inventors: Zeev Stein, Ran Rahav, Meir Schreiber, Baruch Altman
  • Patent number: 10666069
    Abstract: A system for inhibiting the excessive discharge of a battery in an electronic device, in some embodiments, comprises: a battery to supply power to the electronic device; and a fuel gauge coupled to the battery to monitor said power, wherein the fuel gauge enters a standby mode upon determining that a voltage supplied by the battery is at or below a voltage threshold and that a capacity of the battery is at or below a capacity threshold.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: May 26, 2020
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventor: Hideo Kondo
  • Patent number: 10666070
    Abstract: This document discusses, among other things, apparatus, systems, and methods to prevent a voltage of a charging battery from exceeding a voltage threshold, including receiving charging information from a battery and controlling an output current of a travel adapter, including adjusting the received battery current information using a load current to prevent the voltage of the battery from exceeding a voltage threshold, and providing output current limit information to the travel adapter using the adjusted battery current information.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: May 26, 2020
    Assignee: FAIRCHILD SEMICONDUCTOR CORPORATION
    Inventors: James A. Meacham, II, Robert A. Card
  • Patent number: 10661678
    Abstract: A non-transitory machine readable medium having machine executable instructions can include a charge control application. The charge control application can determine, in response to detecting that an electric vehicle (EV) is electrically coupled to a vehicle-to-grid (V2G) interface, a degradation threshold state of charge (SoC) for a battery of the EV. The charge control application can also command the V2G interface to discharge the battery of the EV to a lower threshold SoC that is below the degradation threshold SoC. The charge control application can further command the V2G interface to charge the battery of the EV to an upper threshold SoC that is above the degradation threshold SoC at a return threshold time, wherein the return threshold time is a calculated amount of time prior to an expected return time of an operator of the EV.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: May 26, 2020
    Assignee: INVENTUS HOLDINGS, LLC
    Inventors: Rachana Vidhi, Daniel M Brake, Prasanna Shrivastava, Christopher S. Collins
  • Patent number: 10666093
    Abstract: An object is to provide a power storage device provided with a battery that is a power storage means, for safe and accurate supply of electric power in a short period of time for drive power supply voltage without checking remaining capacity of the battery or changing batteries with deterioration over time of the battery for drive power supply voltage. The power storage device is provided with a battery that is a power storage means as a power supply for supplying electric power and a counter circuit for counting charging time of the power storage means. An electromagnetic wave with electric field intensity, magnetic field intensity, and power flux density per unit time which are transmitted from a power feeder are controlled, and the power storage means is efficiently charged using the electromagnetic wave in a short period of time.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: May 26, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Takeshi Osada
  • Patent number: 10658853
    Abstract: In order to reduce costs and increase safety with respect to the submergence of water in a power supply system, in this power supply system (1) a plurality of power storage modules (11)-(14) are connected in series. A fuse (F1) is inserted into the path in which the plurality of power storage modules (11)-(14) are serially connected, the fuse being inserted at a position dividing the plurality of power storage modules (11)-(14) into a first group and a second group. A positive-pole-side contactor (RY1) is inserted at a position dividing the plurality of power storage modules belonging to the first group into a first sub-group and a second sub-group. A negative-pole-side contactor (RY2) is inserted at a position dividing the plurality of power storage modules belonging to the second group into a first sub-group and a second sub-group.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: May 19, 2020
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Masaki Yugou, Masato Nishikawa
  • Patent number: 10656216
    Abstract: A battery state estimating apparatus is provided with; a voltage detector configured to detect a voltage between a positive electrode and a negative electrode of a battery; an impedance detector configured to detect an impedance of the battery; a first estimator configured to estimate a first temporary value of a charge amount of the battery; a second estimator configured to estimate a second temporary value of the charge amount of the battery; and a determinator configured (i) to determine that the first temporary value is the charge amount of the battery if the first temporary value or the second temporary value is out of a predetermined range, and (ii) to determine that the second temporary value, or a corrected value of the first temporary value is the charge amount of the battery if the first temporary value or the second temporary value is within the predetermined range.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: May 19, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yasumasa Oguma, Tetsuya Osaka, Tokihiko Yokoshima, Shingo Tsuda, Kazuaki Utsumi, Daikichi Mukoyama
  • Patent number: 10651437
    Abstract: In order to specify a battery pack that can be simply produced, that provides sufficient heat dissipation during the assembly and during the operation of the battery pack (10) and a reliable electrical connection between the connection structures (14) and the connection contacts (33, 34) of the battery cells (11), and that copes with the failure of an individual battery cell (11), a battery pack (10) is specified, comprising: at least two battery cells (11), wherein each battery cell (11) has a positive and a negative electrical connection contact (33, 34), wherein a connection structure (14) is associated with at least the electrically positive connection contacts (33) or the electrically negative connection contacts (34) of the battery cells (11), wherein each battery cell (11) is connected to the connection structure (14) by means of at least one connection element (15, 51), wherein a cross-section of each connection element (15, 51) is matched to a predetermined maximum current of a battery cell (11), whe
    Type: Grant
    Filed: May 6, 2015
    Date of Patent: May 12, 2020
    Assignee: H-TECH AG
    Inventors: Peter Tschiggfrei, Gerd Skala
  • Patent number: 10644517
    Abstract: Disclosed a battery balance circuit, a control method for battery balance and a battery system. The battery balance circuit is implemented on basis of a circuit structure having a plurality of cascaded balance modules, in which a judgement of abnormal states of batteries or balance modules is realized together with synchronizations of the detection of battery states and battery balance. When the judgement of abnormal states of batteries (including the abnormal states of battery voltages, battery temperatures and battery currents) is made, the balance modules stop balancing by transferring signals, meanwhile, when the balance modules restore from the abnormal state, they restore balance. The disclosure increases the judgement of abnormal states, and implements detection and alarm at abnormal states.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: May 5, 2020
    Assignee: JOULWATT TECHNOLOGY (Zhangjiagang) CO., LTD.
    Inventors: Libin Huang, Pitleong Wong, Yuancheng Ren, Xunwei Zhou
  • Patent number: 10641245
    Abstract: A hybrid power generation system is presented. The system includes a first power generation subsystem including a prime mover driving a generator including a rotor and a stator, one or more first conversion units coupled to at least one of the rotor and the stator, a first direct current (DC) link, and one or more second conversion units coupled to a corresponding one or more first conversion units via the first DC link. The system includes one or more second power generation subsystems coupled to the first power generation subsystem and one or more power conversion subunits including one or more first bridge circuits coupled to a corresponding one or more second bridge circuits via one or more transformers, where at least one of the one or more second power generation subsystems and the first power generation subsystem includes the one or more power conversion subunits.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: May 5, 2020
    Assignee: General Electric Company
    Inventors: Yashomani Y Kolhatkar, Govardhan Ganireddy, Ravisekhar Nadimpalli Raju, Rajni Kant Burra, Arvind Kumar Tiwari, John Leo Bollenbecker
  • Patent number: 10637290
    Abstract: A wireless audio device, charging system, and method of charging a battery. The wireless audio device includes a communication module configured to enable the wireless audio device to communicate wirelessly and a battery. A charging interface is configured to establish a power transfer connection to the battery from a power source. A memory is configured to store paired history data indicating that the wireless audio device has been paired to an audio source upon the audio device being wirelessly paired. A controller is configured to detect the power transfer connection, determine a charge level of the battery, check the memory for the paired history data, and generate a control signal for selectively disabling the power transfer connection to prevent the charge level from exceeding a preset threshold unless the memory contains the paired history data.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: April 28, 2020
    Assignee: Bose Corporation
    Inventor: Joji Ueda
  • Patent number: 10634726
    Abstract: A voltage detecting device according to an aspect of embodiments includes a detecting unit and a mode switching unit. The detecting unit detects voltages of battery cells of a battery stack in which the battery cells are connected to each other. The mode switching unit switches between an active mode in which the detecting unit detects the voltages and a standby mode in which a current flowing into the detecting unit is less than a predetermined value. Moreover, the detecting unit includes a voltage detecting unit that detects the voltages of the battery cells and/or a voltage of a power supply of the detecting unit in a predetermined interval. The mode switching unit switches between the active mode and the standby mode in accordance with a timing at which the voltage detecting unit detects the voltage (s).
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: April 28, 2020
    Assignee: FUJITSU TEN Limited
    Inventors: Yukio Ishikawa, Kensuke Matsuda, Masahiko Kusaki
  • Patent number: 10622819
    Abstract: A battery protection circuit protects a rechargeable battery from overdischarge, by turning off a transistor inserted in series in a current path between a negative electrode of the battery and a negative terminal coupled to ground of a load or a charger. A detection circuit detects a power source voltage between power source and ground terminals, and a control circuit pulls down a monitor terminal potential to a ground terminal potential by turning off the transistor and stopping battery discharge when the power source voltage lower than an overdischarge detection voltage is detected. The control circuit cancels pull-down of the monitor terminal potential to the ground terminal potential when the power source voltage higher than an overdischarge reset voltage is not detected until a predetermined time elapses in a state in which the battery discharge is stopped and the monitor terminal potential is pulled down to the ground terminal potential.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: April 14, 2020
    Assignee: MITSUMI ELECTRIC CO., LTD.
    Inventor: Kohei Shibata
  • Patent number: 10622823
    Abstract: Various embodiments are described that relate to a battery. A battery, such as a battery with a common input/output terminal, can be tested. Part of this testing can include charging the battery and discharging the battery. It can be dangerous to switch out an interface between charging and discharging. Therefore, a single interface can be employed that enables the battery to be charged and discarded. With this, the battery can be charged and discharged without the danger of switching the interface.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: April 14, 2020
    Assignee: The Government of the United States, as represented by the Secretary of the Army
    Inventors: Ivan Couvillon, Matthew Limpert
  • Patent number: 10613147
    Abstract: For a lithium-ion battery pack adapted to provide electrical power to a load via a conductor, a current shunt adapted to be disposed in series with the conductor is disclosed. The current shunt comprises one or more stacked leaves of an electrically conductive material such as nickel.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: April 7, 2020
    Assignee: K2 Energy Solutions, Inc.
    Inventors: David Gurtner, Kye Stoker, Scott Stewart
  • Patent number: 10615631
    Abstract: An integrated power-regulating charge system is an apparatus used to manage the flow of electrical power to the rechargeable battery of a connected electrical system. To accomplish this, the integrated power-regulating charge module includes an electrical input terminal, an output terminal, a shutoff switch, a microcontroller, and a wireless communication module. The electrical input terminal is used to connect the integrated power-regulating charge system to the power input terminal of the electrical system. The output terminal is used to transfer power from the integrated power-regulating charge system into the connected electrical system. The shutoff switch is electrically connected between the electrical input terminal and the output terminal and is used to open the circuit between these two components. The microcontroller directs the shutoff switch be opened or closed.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: April 7, 2020
    Inventor: Ghaith AbuEideh
  • Patent number: 10611248
    Abstract: An electrical system for a vehicle which can be electrically driven includes a high-voltage DC system and a low-voltage DC system. A DC/DC converter is, or can be, electrically connected to the high-voltage DC system at one end and to the low-voltage DC system at the other end. An AC line passage is, or can be, electrically connected to a first DC/AC converter. The first DC/AC converter is, or can be, electrically connected to the high-voltage DC system at one end and to an AC drive device of the vehicle by way of the AC line passage at the other end. There is also included a DC energy source, in particular a fuel cell device for example. A second DC/AC converter is, or can be, electrically connected to the DC energy source at one end and to the AC line passage at the other end.
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: April 7, 2020
    Assignee: Continental Automotive GmbH
    Inventors: Qi Tian, Florian Uhrig
  • Patent number: 10615614
    Abstract: There are provided a charge/discharge control circuit which is equipped with a differential amplifier configured to detect charging currents of a plurality of secondary batteries connected in parallel, and a charge control circuit configured to output an output signal of the differential amplifier to charge control terminals according to a reception of a control signal to permit the charging of each of the secondary batteries, and which is capable of charging the secondary batteries connected in parallel with uniform charging currents, and a battery apparatus equipped with the charge/discharge control circuit.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: April 7, 2020
    Assignee: ABLIC INC.
    Inventors: Kazuhide Yasuda, Takashi Ono
  • Patent number: 10608457
    Abstract: A method of controlling charging includes: receiving an input voltage; receiving by a control unit a detected voltage related to the input voltage; outputting a conducting voltage from the control unit when the detected voltage falls within an operation range; outputting an operating voltage to a detection pin of a charging unit according to the conducting voltage; outputting a charging current from the charging unit according to the input voltage when the detection pin receives the operating voltage; and not outputting the conducting voltage from the control unit when the detected voltage falls outside the operation range.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: March 31, 2020
    Assignee: GETAC TECHNOLOGY CORPORATION
    Inventor: Shih-Hung Yang
  • Patent number: 10608607
    Abstract: An improved method of providing high burst power to audio amplifiers from limited power sources, using parallel power paths to increase system efficiency without need for a power path controller, thus utilizing a simplified circuit operation and maximizing average power available for both the amplifier and supporting circuitry.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: March 31, 2020
    Assignee: Biamp Systems, LLC
    Inventors: David F. Baretich, Simon J. Broadley
  • Patent number: 10608219
    Abstract: An integrated cartridge, comprising: a main frame composed of a front plate having a plurality of lead passing holes provided in a slit form so that electrode leads of a plurality of layered battery cells pass therethrough, and first and second side plates extending at both edges of the front plate in parallel to each other and having a plurality of cell insert slots provided at inner sides thereof, which face each other, so that the plurality of battery cells are capable of being inserted from a free end to the front plate; a cover plate coupled to the first and second side plates to cover the plurality of battery cells arranged in a layered form between the first and second side plates; and a sensing unit mounted to the front plate and electrically connected to the electrode leads to sense electric characteristics of the plurality of battery cells.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: March 31, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Won-Kyoung Park, Seong-Tae Kim, Jun-Kyu Park, Jun-Yeob Seong
  • Patent number: 10594153
    Abstract: A frequency response optimization system includes a battery configured to store and discharge electric power, a power inverter configured to control an amount of the electric power stored or discharged from the battery, a high level controller, and a low level controller. The high level controller is configured to receive a regulation signal from an incentive provider, determine statistics of the regulation signal, and use the statistics of the regulation signal to generate an optimal frequency response midpoint. The optimal midpoint achieves a desired change in the state-of-charge of the battery while participating in a frequency response program. The low level controller is configured to use the midpoints to determine optimal battery power setpoints for the power inverter. The power inverter is configured to use the optimal battery power setpoints to control an amount of the electric power stored or discharged from the battery.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: March 17, 2020
    Assignee: Con Edison Battery Storage, LLC
    Inventors: Radu Dorneanu, Michael J. Wenzel, Mohammad N. Elbsat, Kirk H. Drees
  • Patent number: 10594143
    Abstract: A charging method for a battery set with a plurality of battery cells, having steps of performing a serial charging on the battery cells; determining whether one of the battery cells reaches a saturation voltage; and performing a uniform separately charging on the battery cells when one of the battery cells reaches the saturation voltage, wherein the uniform separately charging comprises sorting the battery cells according to cell voltages of the battery cells; and sequentially and separately charging the sorted battery cells to a Nth segmented voltage in a Nth segmentation, wherein N is a positive integer from 1 to K, and K is a positive integer larger than 1. The charging method of the present disclosure can reduce the temperature rising of the battery cell due to the longtime charging.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: March 17, 2020
    Assignee: NATIONAL CHUNG SHAN INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Wei-Min Hsiao, Jeng-Chyan Lin, Kuo-Kuang Jen, Fu-Min Fang
  • Patent number: 10594145
    Abstract: A system and method for operating a portable electronic device are presented. The device includes a battery and a controller. The controller is configured to execute instructions for determining a first resistance value for the battery during a first power cycle of the battery, and determining a second resistance value for the battery during a second power cycle of the battery. The second power cycle is after the first power cycle. The controller is configured to execute instructions for determining that a first difference equal to the first resistance value subtracted from the second resistance value is less than a first predetermined threshold value, and electrically isolating the battery. In an embodiment, the first resistance value and the second resistance values are determined at the same state of charge for the battery.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: March 17, 2020
    Assignee: AMAZON TECHNOLOGIES, INC.
    Inventors: John Wang, Kamran Mohajer, Yuting Yeh
  • Patent number: 10587016
    Abstract: The present invention relates to a system and a method of detecting swelling of a battery cell, which, when abnormal swelling is generated in a battery cell embedded in a battery pack, rapidly detect the abnormal swelling and control a supply of a power source to the battery pack to be blocked, thereby preventing a structural deformation of the battery cell and the battery pack and life shortening of the battery, and preventing an accident, such as ignition and explosion.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: March 10, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Jae-Chan Lee, Sooryoung Kim, Cheoltaek Kim
  • Patent number: 10586959
    Abstract: The present invention relates to a battery block comprising at least two battery packs and a method for manufacturing a battery block.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: March 10, 2020
    Assignee: H-Tech Aq
    Inventors: Peter Tschiggfrei, Gerd Skala
  • Patent number: 10581238
    Abstract: A storage battery device includes a battery unit, a first circuit breaker, a second circuit breaker, and a control unit. The first circuit breaker switches between connecting and disconnecting a first-electrode side of the battery unit and an external device. The second circuit breaker switches between connecting and disconnecting a second-electrode side of the battery unit and the external device. The control unit supplies power to the first circuit breaker and the second circuit breaker in sequence with the power supplied to the second circuit breaker offset relative to the power supplied to the first circuit breaker by a time period equal to or longer than a time difference required for a sum of currents flowing through the first circuit breaker and the second circuit breaker to reach an upper bound current that is set as an upper bound of a current.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: March 3, 2020
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Infrastructutre Systems & Solutions Corporation
    Inventors: Ryo Okabe, Norihiro Kaneko, Yusuke Kikuchi, Takayuki Onoda, Kazuto Kuroda, Masahiro Sekino, Jun Takahashi
  • Patent number: 10559968
    Abstract: A charge/discharge control circuit includes a first power supply terminal connected to a first electrode of a secondary battery, and a discharge control output circuit which outputs a discharge control signal to a gate of a discharge control FET which controls discharging of the secondary battery. The discharge control output circuit includes a clamp voltage output circuit which outputs a clamp voltage lower than a voltage of the first power supply terminal to a discharge control terminal to turn on the discharge control FET when the voltage of the first power supply terminal is higher than a prescribed voltage, and a power supply voltage output circuit which outputs the voltage of the first power supply terminal to the discharge control terminal to turn on the discharge control FET when the voltage of the first power supply terminal is equal to or less than the prescribed voltage.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: February 11, 2020
    Assignee: ABLIC INC.
    Inventors: Hiroshi Saito, Akihiko Suzuki, Takahiro Kuratomi
  • Patent number: 10558253
    Abstract: According to various embodiments, an energy monitoring method may be provided. The energy monitoring method may include: determining internal energy information indicating a charge state of an internal battery of a computing device; wirelessly receiving external energy information indicating a charge state of an external battery for the computing device; determining a combined energy information indicating a combined charge state of the internal battery and external battery based on the internal energy information and based on the external energy information; and providing a notification to a user of the computing device based on the combined energy information.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: February 11, 2020
    Assignee: RAZER (ASIA-PACIFIC) PTE. LTD.
    Inventor: Min-Liang Tan
  • Patent number: 10551894
    Abstract: The present disclosure provides devices and techniques for managing power distribution in a device. The devices and techniques include determining a first power level of a first battery of the device, and determining a second power level of a second battery of the device. Also, the devices and techniques include adjusting an input current limit of a system charger based on the first power level and the second power level. Additionally, the devices and techniques include steering power from one or both of the first battery or the second battery to at least one processor of the device based on the input current limit.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: February 4, 2020
    Assignee: Microsoft Technology Licensing, LLC
    Inventor: Xiaobei Li
  • Patent number: 10547185
    Abstract: A battery device includes at least a battery cell, a management chip and a bus. The management chip is coupled to the battery cell for detecting voltage or remaining capacity of the battery cell and managing an operation state of the battery device according to the voltage or the remaining capacity of the battery cell. The bus is coupled to the management chip. The management chip communicates with a host device via the bus. The management chip further determines whether the remaining capacity of the battery cell is not increasing while in a charging state. When the remaining capacity of the battery cell is not increasing while in the charging state, the management chip activates a protection mechanism to make the battery device exit the charging state.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: January 28, 2020
    Assignee: QUANTA COMPUTER INC.
    Inventor: Wei-Ting Yen
  • Patent number: 10534028
    Abstract: An apparatus and method for identifying a presence of a short circuit in a battery pack. A fault-detection apparatus for a charging system that rapidly charges a collection of interconnected lithium ion battery cells, the safety system includes a data-acquisition system for receiving a set of data parameters from the collection while the charging system is actively charging the collection; a monitoring system evaluating the set of data parameters to identify a set of anomalous conditions; and a controller comparing the set of anomalous conditions against a set of predetermined profiles indicative of an internal short in one or more cells of the collection, the controller establishing an internal-short state for the collection when the comparing has a predetermined relationship to the set of predetermined profiles.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: January 14, 2020
    Assignee: Tesla, Inc.
    Inventors: Sarah G. Stewart, Christopher Dangler, Clay H. Kishiyama, Weston A. Hermann, Scott I. Kohn, Kurt R. Kelty
  • Patent number: 10536009
    Abstract: A dual cell protection IC and a battery module have a FET as an external type that are configured to protect a plurality of battery cells with one IC when an abnormal state caused during charge/discharge occurs.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: January 14, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Hak Yong Shin, Ji Uk Jang
  • Patent number: 10530238
    Abstract: A power conversion device includes a switch connected to an AC system; an AC/DC converter; and a DC/DC converter. A control unit compares an absolute value of an AC voltage target value based on the AC voltage with a DC voltage target value based on the storage battery voltage, and executes, on the basis of a magnitude relation of the values, a control method such that a period during which step-up operation is performed through switching operation mainly using one of the AC/DC converter and the DC/DC converter, and a period during which step-down operation is performed through switching operation mainly using the other one of the converters, alternately arise. When starting charging/discharging of the storage battery, the control unit causes the switch to close at zero cross timing of the AC voltage, and thereafter, causes charging/discharging to start from the switching operation through which the step-down operation is performed.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: January 7, 2020
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Tetsuo Akita, Naoki Ayai
  • Patent number: 10516285
    Abstract: Techniques for wireless charging in a system, method, and apparatus are described herein. An apparatus for charging at a wireless power receiver may include logic. The logic is configured to supply voltage received at the wireless power receiver at a first power level to a battery that is initially fully discharged, wherein the power of the first power level is received during a predefined interval of a fully discharged battery protocol. The logic is to monitor a second power level available at the battery, and initiate a wireless handshake with a wireless power transmitter inductively coupled to the wireless power receiver indicating configurations of the wireless power receiver upon detection of the second power level meeting or exceeding a predefined threshold.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: December 24, 2019
    Assignee: Intel Corporation
    Inventors: Sagar C. Pawar, Prakash Pillai
  • Patent number: 10502794
    Abstract: A method and system for predicting the time required for low voltage expression of a secondary battery, including (a) obtaining a leakage current by inputting a voltage of a battery cell of the secondary battery, measuring a freezing resistance of a battery cell, and dividing an input voltage by a measured freezing resistance, (b) obtaining a discharge capacity difference by setting a reference value of a voltage drop for selecting a low voltage defect and obtaining a discharge capacity difference between the input voltage and a voltage dropped therefrom by the reference value, and (c) dividing the discharge capacity difference by the leakage current to thereby calculate a time required for low voltage expression.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: December 10, 2019
    Assignee: LG CHEM, LTD.
    Inventors: So Hee Kim, Nak Gi Sung, Joon Sung Bae
  • Patent number: 10498148
    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: December 12, 2016
    Date of Patent: December 3, 2019
    Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
    Inventors: Matthew J. Mergener, Jeffrey M. Brozek, Christian Funda, Nicholas Konetzke
  • Patent number: 10491010
    Abstract: A control apparatus of a storage battery system which discharges power from of storage batteries, converts the power, and supplies the power to a load, and which receives supply of power from an outside, converts the power, and charges the storage batteries is provided. The control apparatus includes: a reading part that reads charge command power and discharge command power; a distribution part that determines distribution charge power and distribution discharge power; and a charge-and-discharge execution part that allows charge or discharge of the storage batteries. The distribution part sequentially determines the distribution charge power for each of the storage batteries in an ascending order of charging rates of the storage batteries. When the reading part reads the discharge command power, the distribution part sequentially determines the distribution discharge power for each of the storage batteries in a descending order of the charging rates of the storage batteries.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: November 26, 2019
    Assignee: DENSO CORPORATION
    Inventor: Tooru Shiraki
  • Patent number: 10483792
    Abstract: Methods and apparatus for enhancing reserve power units are described. An example apparatus includes a power source to operate a process control component and a power conditioner to provide power during a disruption of power from the power source to prevent a false trigger of a shutdown function of the process control component.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: November 19, 2019
    Assignee: FISHER CONTROLS INTERNATIONAL LLC
    Inventor: Stephen George Seberger
  • Patent number: 10471844
    Abstract: A method of charging the battery of the vehicle includes starting charging of the battery; starting operation of an air conditioner using power supplied from the battery; and reducing an operation amount of the air conditioner while charging the battery and operating the air conditioner, thereby shortening the time required for charging the battery.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: November 12, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Ki Chang Lee
  • Patent number: 10476281
    Abstract: The invention relates to a redox flow battery system, comprising a controller and a battery inverter, which is suitable for charging and/or discharging a battery. The battery inverter comprises: a) a plurality of battery connections, to each of which at least one battery can be connected; b) a first measuring device, which is suitable for measuring the voltage at a battery connection and which is connected to the controller with regard to signaling; c) a second measuring device, which is suitable for measuring the current at a battery connection and which is connected to the controller with regard to signaling; d) a grid connection, which can be connected to an alternating-current supply grid; and e) a plurality of DC/DC converters, of which at least one has a first bridge circuit directly connected to a battery connection.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: November 12, 2019
    Assignee: TRUMPF Huettinger GmbH + Co. KG
    Inventors: Jens Kaufmann, Thomas Lueth
  • Patent number: 10468896
    Abstract: A charging path switching circuit includes a first port, a second port, a path switch unit, and a conversion unit. The first port is connected to an external electronic device to obtain a first electrical signal. The second port is connected to an external power source to obtain a second electrical signal. The conversion unit is connected the path switch unit and converts the first electrical signal or the second electrical signal to a predetermined voltage. The path switch unit is connected to the first port and the second port. The path switch unit selects to connect to the first port or the second port, to obtain the first electrical signal or the second electrical signal according to the connection of the first and the second port. The path switch unit preferentially selects to obtain the second electrical signal from the second port.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: November 5, 2019
    Assignee: AMBIT MICROSYSTEMS (SHANGHAI) LTD.
    Inventors: Sheng-Wen Chen, Yu-Hu Yan
  • Patent number: 10468728
    Abstract: A battery includes a battery cell assembly, a battery management system, and including a switching device, wherein the battery management system includes a monitoring device that monitors parameters relevant to correct operation and safety, and the monitoring device includes a control unit coupled to the switching device such that it can interrupt a flow of current between the battery cell assembly and the voltage source.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: November 5, 2019
    Assignee: VARTA Microbattery GmbH
    Inventor: Dieter Kloos
  • Patent number: 10462916
    Abstract: A battery, in which an electrolyte (103) is positioned between a first electrode material (102) and a second electrode material (104), the first electrode material (102) is positioned between the first electrode current collector (101) and the electrolyte (103), the second electrode material (104) is positioned between a second electrode current collector (105) and the electrolyte (103), the second electrode current collector (105) is positioned between the second electrode material (104) and a PCB substrate (107), and the PCB substrate (107) is positioned between the second electrode current collector (105) and a PCB surface layer (108). By using one of the electrode current collectors in the battery as one layer of a printed circuit board, limitations on the size of the battery can be reduced without increasing the size of the electronic device in which the battery is situated, thus increasing the battery capacity.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: October 29, 2019
    Assignee: Feitian Technologies Co., Ltd.
    Inventors: Zhou Lu, Huazhang Yu
  • Patent number: 10449947
    Abstract: An apparatus for controlling charging of an environment-friendly vehicle, a system including the same, and a method thereof; the apparatus comprises a controller including a processor communicatively connected to the controller and configured to form: a predicted state of charge (SOC) calculating module configured to calculate a predicted SOC predicted to be consumed when the vehicle travels until the vehicle reaches a destination; a current SOC calculating module configured to calculate a current SOC of the vehicle; a mode start control module configured to determine a first mode in which the vehicle travels through driving of an electric motor and a second mode in which the vehicle travels through driving of an electric motor even though the current SOC is not more than a reference SOC, by using the predicted SOC and the current SOC; and an SOC adjusting module configured to adjust a minimum SOC use area when the vehicle starts the second mode.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: October 22, 2019
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Jee Wook Huh, Kyoung Cheol Oh
  • Patent number: 10451669
    Abstract: Disclosed is a method, a circuit arrangement, and an electronic circuit. The method includes discharging a gate-source capacitance of a transistor device from a first voltage level to a second voltage level with a first resistor connected in parallel with the gate-source capacitance and measuring a first discharging time associated with the discharging, and discharging the gate-source capacitance from the first voltage level to the second voltage level with the first resistor and a second resistor connected in parallel with the gate-source capacitance and measuring a second discharging time associated with the discharging. The method further includes comparing a ratio between the first discharging time and the second discharging time with a predefined threshold, and detecting a fault based on the comparing.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: October 22, 2019
    Assignee: Infineon Technologies AG
    Inventors: Carlos Joao Marques Martins, Aron Theil, Steffen Thiele
  • Patent number: 10449869
    Abstract: In a method for balancing an energy storage system, a capacitance of capacitive storage modules of a series circuit of capacitive storage modules is determined. The capacitive storage modules are connected to a balancing device to allow control of a charge of each of the capacitive storage modules via a flow of current between the balancing device and the capacitive storage modules. For each of the capacitive storage modules a module charge is determined from a voltage of the capacitive storage module and a predefined balancing voltage. A reference charge is determined from the module charges of the capacitive storage modules, and a balancing charge is determined for each of the capacitive storage modules from the reference charge and the module charge of the capacitive storage module. The charge of the capacitive storage modules is controlled by exchanging the balancing charge between the capacitive storage module and the balancing device.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: October 22, 2019
    Assignee: SEIMENS AKTIENGESELLSCHAFT
    Inventors: RĂ¼diger Kleffel, Fabian Quast, Swen Ruppert
  • Patent number: 10446883
    Abstract: Methods for fast-charging battery packs having at least one lithium battery cell with an anode, a cathode, and a reference electrode (RE) comprise charging the battery in a first phase by maximizing charging current, subsequently charging the battery in a second phase by decreasing the charging current in response to an anode potential (AP) determined by a RE to maintain the AP at or above an AP threshold, and subsequently charging the battery in a third phase by decreasing the charging current in response to the cathode potential (CP) determined by the RE such that the CP is maximized without exceeding the cathode potential threshold. A controller can determine anode potential or cathode potential in real time using a cell potential signal and a cathode RE signal or an anode RE signal, respectively. The AP threshold is the AP above which substantially no lithium plating occurs.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: October 15, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Ciro A. Spigno, Brian J. Koch, Ryan B. Moulliet
  • Patent number: 10439416
    Abstract: A method for outputting a charging current is provided. When a power amplifier is connected to a device, the power amplifier acquires recognition information from the device. The power amplifier determines the type of the device according to the foregoing recognition information, and selects, according to the type of the device, a current to output. The power amplifier outputs the selected current to the device, in which the current is used to charge the device.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: October 8, 2019
    Assignee: Guangdong Oppo Mobile Telecommunications Corp., Ltd.
    Inventor: Shangding Su