Sequential Charging Or Discharging Of Batteries Or Cells Patents (Class 320/124)
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Patent number: 12261525Abstract: A power supply system may include a target device and an adapter. The target device may include an adapter connection switch that receives adapter recognition information to form a connection with the adapter, a voltage detection unit that receives an output voltage from an adapter, and a voltage-change-requesting unit that outputs a voltage to request a voltage change based on information on the output voltage from the adapter. The adapter may include a device information recognition unit that receives the voltage to request a voltage change, and an output-voltage-changing unit that changes the output voltage based on the voltage to request a voltage change.Type: GrantFiled: April 25, 2024Date of Patent: March 25, 2025Assignee: CSIP Consulting Ltd.Inventors: Young Seung Noh, Kwang Soo Choi, Bo Mi Lee, Chan Sung Jang
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Patent number: 12253873Abstract: Provided are methods and apparatus for controlling an energy supply system. In an example the energy supply system includes a battery. In an example, provided is a computer-implemented method for controlling a battery. At least a portion of the method can be performed by a computing device including a processor. The method can include (i) creating, using a machine-learning model, a load prediction curve for a load for a current day, (ii) analyzing, to control peak energy use from an electric power source at a specific time, the load prediction curve to identify the specific time and a respective quantity of energy to transfer between the battery and a bus coupled between the electric power source and the load, and (iii) generating a battery controller input based on the identified respective quantity of energy to transfer. Various other methods, systems, and computer-readable media are also disclosed.Type: GrantFiled: March 27, 2020Date of Patent: March 18, 2025Assignee: PowerSecure Inc.Inventors: Marshall Worth, Camilo Calderon, Keith Klaus
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Patent number: 12232795Abstract: Apparatus, consisting of a power supply having a first electrical connection to a relatively high voltage source and connectable to ablation circuitry in a catheter via a second electrical connection. There are rechargeable first and second subsidiary power sources in the power supply. The apparatus also has a control unit, and a first switch alternately connecting the ablation circuitry to the first and second subsidiary power sources responsively to control signals from the control unit. The apparatus also has a second switch alternately connecting one of the first and second subsidiary power sources to the high voltage source for recharging thereof responsively to the control signals while the one of the first and second subsidiary power sources is disconnected from the ablation circuitry and another of the first and second subsidiary power sources is connected to the ablation circuitry by the first switch.Type: GrantFiled: November 23, 2020Date of Patent: February 25, 2025Assignee: Biosense Webster (Israel) Ltd.Inventor: Assaf Govari
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Patent number: 12230986Abstract: An electronic device includes a charging circuit, a control circuit, a first battery branch circuit, a second battery branch circuit, a first accommodation space, and a second accommodation space. The first battery branch circuit and the second battery branch circuit are connected in parallel. The first battery branch circuit includes a first battery and a first switch that are connected to each other in series. The second battery branch circuit includes a second battery. The first battery is disposed in the first accommodation space, and the second battery is disposed in the second accommodation space. The first accommodation space and the second accommodation space are connected through a bendable member.Type: GrantFiled: June 10, 2020Date of Patent: February 18, 2025Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventor: Yuezeng Kang
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Patent number: 12119652Abstract: Proposed is a solar power equalization system, more particularly, a solar power equalization system, wherein connection of an output-reduced string is switched to a power compensation device for fast charging, and after fast charging, compensation for output is performed, thereby minimizing the influence of the reduction in output of a string on the total output and increasing power generation efficiency.Type: GrantFiled: December 22, 2020Date of Patent: October 15, 2024Assignee: E2Z CO., LTD.Inventors: Ki Taek Song, Cheol Song Lee, Jun Woo Kim
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Patent number: 12036933Abstract: A power switching control system, includes a switching unit configured to switch connection and disconnection between loads set with operation priorities and powers supplying powers to the loads, the loads and the powers being connected to a power supply path; a power failure detection unit detecting a power failure caused by an abnormality on a power supply side or a load side; and a control unit controlling the switching unit. When the power failure detection unit detects the power failure, and remaining capacities, charging rates, or voltages of the plurality of powers are less than, or equal to or less than predetermined thresholds, the control unit disconnects the loads from the power supply path by the switching unit in an order from one of the loads with a lowest operation priority of the operation priorities to gradually decrease supply currents from the powers to the loads.Type: GrantFiled: September 12, 2022Date of Patent: July 16, 2024Assignee: YAZAKI CORPORATIONInventor: Atsushi Takahashi
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Patent number: 12002932Abstract: A method of reforming a negative electrode layer of a secondary lithium battery may include execution of a reforming cycle that reforms a major facing surface of the negative electrode layer by eliminating at least a portion of a lithium dendrite or other lithium-containing surface irregularity that has formed on the major facing surface of the negative electrode layer.Type: GrantFiled: June 21, 2021Date of Patent: June 4, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jing Gao, Xingcheng Xiao, Brian J. Koch
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Patent number: 11996726Abstract: A battery pack is disclosed. According to an embodiment of the present disclosure, a battery pack includes: a plurality of battery cells connected in series to each other; a fuse connected between two of the plurality of battery cells; and a primary protective circuit configured to measure voltages of the plurality of battery cells and control a protective operation of the fuse according to a highest voltage of the measured voltages.Type: GrantFiled: January 16, 2019Date of Patent: May 28, 2024Assignee: Samsung SDI Co., Ltd.Inventor: Chulseung Lee
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Patent number: 11970081Abstract: A battery charging apparatus and method for a vehicle are provided. The charging apparatus for the vehicle includes a third switching element provided between a first battery and a second battery, configured to electrically connect or disconnect the first battery and the second battery; a first switching element configured to supply or cut off a charging current supplied from outside to the first battery; a second switching element configured to supply or cut off the charging current supplied from the outside to the second battery; and a controller configured to control the first switching element, the second switching element, and the third switching element in order to selectively charge at least one of the first battery or the second battery.Type: GrantFiled: November 23, 2020Date of Patent: April 30, 2024Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sangkyu Lee, Young Chan Byun
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Patent number: 11787035Abstract: A housing for a work implement has a first housing shell with first outer wall and a second housing shell with second outer wall. The first and second outer walls contact each other along a separation plane. The first housing shell has a first rib extending transversely to the separation plane and projecting past the separation plane into the second housing shell. First measuring points are located in the separation plane. The first rib has a first rib height measured in transverse direction from a first measuring point to a first end of the first rib facing the second housing shell. The second housing shell has a second shell height measured in transverse direction from the same first measuring point to an inner side of the second housing shell. The first measuring points include measuring points where the first rib height is at least 15% of the second shell height.Type: GrantFiled: May 5, 2021Date of Patent: October 17, 2023Assignee: Andreas Stihl AG & Co. KGInventors: Jonathan Seiz, Markus Oesterle, Thomas Haag
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Patent number: 11742689Abstract: An electronic device configured to operate in a plurality of power modes includes a power receiving circuit receiving wireless power from an power transmitting device; and a processor configured to control an operation of the electronic device, wherein the plurality of power modes include a power charging mode in which the wireless power is continuously provided, a power hold mode in which a state where the wireless power is provided and a state where the wireless power is cut off are periodically repeated in a ping period, and a power cutoff mode in which the wireless power is cut off, wherein the power receiving circuit generates a ping flag signal alternates between a high level and a low level with the ping period in the power hold mode, and changes the power mode based on a counting value obtained by counting particular level sections of the ping flag signal.Type: GrantFiled: February 10, 2021Date of Patent: August 29, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyunsu Kim, Hyoungseok Oh
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Patent number: 11705749Abstract: Methods and systems are provided for managing multi-battery systems, such as those utilized in an electric vehicle. Multi-battery systems comprise batteries providing power in parallel, thereby making each battery available to the vehicle and avoiding the weight of transporting a backup battery. The methods and systems provided allow for a fault in one battery, in a parallel configuration with at least one other battery, to be detected and managed.Type: GrantFiled: April 15, 2021Date of Patent: July 18, 2023Assignee: NIO Technology (Anhui) Co., Ltd.Inventors: Austin L. Newman, Alexander J. Smith, Adam H. Ing, Rick Rajaie
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Patent number: 11511643Abstract: An influence degree display device includes an acquirer configured to acquire information regarding magnitude of an influence factor that has an influence on progress of deterioration of a secondary cell that stores power used to drive an electric motor vehicle a display configured to display an image and a display controller configured to cause the display to display an image indicating the degree of influence on the progress of the deterioration of the secondary cell in accordance with the acquired magnitude of the influence factor.Type: GrantFiled: May 13, 2020Date of Patent: November 29, 2022Assignee: HONDA MOTOR CO., LTD.Inventor: Yoshikazu Nishida
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Patent number: 11495978Abstract: In some examples, a system includes a primary side with a charger and a first battery and a secondary side with a second battery. The charger on the primary side can charge both the first battery and the second battery. A hinge resistance is between the primary side and the secondary side. The primary side includes a feedback controlled active device in a current path of the first battery that compensates for the hinge resistance, for connector resistances, or for battery impedances in a current path of the second battery.Type: GrantFiled: December 8, 2020Date of Patent: November 8, 2022Assignee: Intel CorporationInventors: Anil Baby, Anoop Parchuru, Shobhit Chahar, Govindaraj G., Vinaya Kumar Chandrasekhara
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Patent number: 11394217Abstract: A method and an apparatus for detecting a battery state of an electronic device are provided. The electronic device includes a battery, a charger circuit for charging the battery, a measurement circuit for checking a state of the battery, and a processor configured to charge the battery using the charger circuit, determine whether the charging operation satisfies a preset condition, when the charging operation satisfies the preset condition, obtain first state information of the battery using the measurement circuit, determine an abnormal state of the battery at least based on a difference between the first state information and second state information which is obtained when the preset condition is satisfied before the first state information is acquired, and output notification information regarding the abnormal state.Type: GrantFiled: December 26, 2017Date of Patent: July 19, 2022Inventors: Byungwook Kim, Jaemu Ha, Hyunho Park, Ki-Jong Byun, Jongkyu Lee, Jaekyong Choi, Moo-Young Kim
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Patent number: 11211807Abstract: A battery power management system for vehicles and vessels requiring switching devices to disconnect mounted batteries from unit loads utilizing rules based logic. The battery power management system controls the switching devices to prevent over-discharging and over-charging of the batteries and to prevent excessive current drain. The battery power management system utilizes various timing parameters to coordinate connection and disconnection attempts and provides status information regarding the current state of protection of the batteries.Type: GrantFiled: March 6, 2020Date of Patent: December 28, 2021Assignee: Intellitec Products LLCInventors: David F. Bailey, Edward A. Schiff, John A. Ciambriello, Jeff Caudill
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Patent number: 11095141Abstract: A battery charge controller is configured to optimize battery charging from a power source, particularly a renewable power source like a photovoltaic panel. The battery charge controller includes a processing unit that intelligently switches between battery banks being charged to maximize electrical power applied to charging and help maintain even battery bank voltages. The battery charge control can also include a starting circuit allowing electrical power to be applied directly to the processing unit from the power source when the battery bank banks are too depleted to power on the processing unit to commence battery charging.Type: GrantFiled: January 30, 2019Date of Patent: August 17, 2021Assignee: Glow Energy Group Corp.Inventor: Victor Santos
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Patent number: 11075524Abstract: A method and battery charger for charging two or more batteries includes a pulse generator, a detector and a processor communicably coupled to the pulse generator and the detector. A charging series time period, a charging time period and a rest time period are determined based on one or more battery parameters using the processor and the detector. The charging time period is approximately equal to the charging series time period divided by the number of batteries and the rest time period is approximately equal to the charging series time period minus the charging time period. A charging pulse group having a positive pulse for the charging time period and a rest period for the rest time period is generated using the pulse generator, and sequentially applied to each of the batteries. The battery parameters are monitored and the charging pulse group may be adjusted.Type: GrantFiled: June 4, 2018Date of Patent: July 27, 2021Assignee: POTENTIAL DIFFERENCE, INC.Inventor: Elliott C. Small, Jr.
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Patent number: 11046188Abstract: A system for determining an indicator of an internal leakage current of a battery entity includes a voltage meter configured to be coupled to the battery entity and to measure a plurality of voltage values corresponding to the battery entity at a plurality of time instants. Further, the system includes an isolator configured to be coupled to each of a battery charger and an electricity consuming entity, as well as to electrically isolate the battery entity from each of the battery charger and the electricity consuming entity based on a control signal. Yet further, the system includes a controller electrically coupled to each of the voltage meter and the isolator the controller being configured to determine the indicator of an internal leakage current based on each of the plurality of voltage values.Type: GrantFiled: November 6, 2018Date of Patent: June 29, 2021Assignee: Akkurate OyInventors: Jani Mäki, Jari Koskinen
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Patent number: 10903662Abstract: A rechargeable battery arrangement includes a plurality of rechargeable battery cells which are connected in series and each have a first and a second connection, and a plurality of differential amplifiers each having an inverting input, a non-inverting input and an output at which an amplified difference between the signal at the inverting input and the signal at the non-inverting input is produced. The non-inverting input of one of the plurality of differential amplifiers is coupled to the second connection of a first rechargeable battery cell unit of the plurality of rechargeable battery cells and to the first connection of a second rechargeable battery cell unit of the plurality of rechargeable battery cells.Type: GrantFiled: October 22, 2018Date of Patent: January 26, 2021Assignee: Bayerische Motoren Werke AktiengesellschaftInventor: Steffen Rothe
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Patent number: 10862316Abstract: In some examples, a system includes a primary side with a charger and a first battery and a secondary side with a second battery. The charger on the primary side can charge both the first battery and the second battery. A hinge resistance is between the primary side and the secondary side. The primary side includes a feedback controlled active device in a current path of the first battery that compensates for the hinge resistance, for connector resistances, or for battery impedances in a current path of the second battery.Type: GrantFiled: September 29, 2018Date of Patent: December 8, 2020Assignee: Intel CorporationInventors: Anil Baby, Anoop Parchuru, Shobhit Chahar, Govindaraj G, Vinaya Kumar Chandrasekhara
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Patent number: 10491022Abstract: A method of managing a battery system, the method including receiving at least one measured characteristic of the at least one battery cell from the at least one sensor, estimating at least one state of the at least one battery cell at a first time by applying an electrochemical-based battery model, estimating at least one physical parameter of the at least one battery cell based on the at least one measured characteristic and the estimation of the at least one state, estimating the at least one state at a second time, subsequent to the first time, by applying the electrochemical-based battery model based on the estimated at least one parameter, and regulating at least one of charging or discharging of the at least one battery cell based on the estimation of the at least one state.Type: GrantFiled: November 20, 2018Date of Patent: November 26, 2019Assignee: Robert Bosch GmbHInventors: Anahita MirTabatabaei, Reinhardt Klein, Aleksandar Kojic, Nalin Chaturvedi, Christopher Mayhew, John F. Christensen
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Patent number: 10461307Abstract: Embodiments of the present invention relate to a device for protecting a rechargeable battery including a plurality of unit cells contained in a module case and coupled in series between a first module electrode terminal and a second module electrode terminal, a plurality of bypass switches separated from the plurality of unit cells, electrically connected to each other, and configured to physically contact a first electrode terminal of a respective one of the unit cells according to an internal pressure thereof, and a plurality of bypass fuses for connecting adjacent ones of the plurality of unit cells, and for connecting a last unit cell of the plurality of unit cells and the second module electrode terminal, respectively.Type: GrantFiled: June 14, 2017Date of Patent: October 29, 2019Assignee: Samsung SDI Co., Ltd.Inventor: Duk-Jung Kim
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Patent number: 10461561Abstract: The present disclosure provides a battery charging apparatus and a battery charging protection control method. A power adapter in the battery charging apparatus performs data communication with a charging control circuit; when the power adapter determines that overvoltage and/or overcurrent occurs in the direct current output by a communication interface of the power adapter, the power adapter notifies the charging control circuit to drive a controller in the electronic device to switch off a communication interface of the electronic device and switches off the direct current output automatically; when the charging control circuit; determines that overvoltage and/or overcurrent occurs upon receiving output voltage and output current of the power adapter, the charging control circuit notifies the power adapter to switch off the direct current output and drives the controller in the electronic device to switch off the communication interface of the electronic device.Type: GrantFiled: May 14, 2014Date of Patent: October 29, 2019Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.Inventors: Jialiang Zhang, Kewei Wu, Wenqiang Cheng, Yuanxiang Hu
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Patent number: 10447054Abstract: A battery management system comprising a processor and a memory storing instructions that, when executed by the processor, cause the battery management system to estimate one or more states of the battery by applying a battery model to account for physical parameters of a chemical composition of the battery based on one or more measured characteristics of the battery and the one or more estimated characteristics of the battery and regulate a first charging mode of the battery based on the estimation of the one or more states of the one or more battery cells and switch between the first charging mode and a second charging mode based on the estimation of the one or more states of the battery to allow for rapid charging of the battery.Type: GrantFiled: May 20, 2016Date of Patent: October 15, 2019Assignee: Robert Bosch GmbHInventors: John F. Christensen, Reinhardt Klein, Ashish Krupadanam, Anahita MirTabatabaei, Nikhil Ravi
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Patent number: 10439257Abstract: An energy storage device for generating an n-phase supply voltage includes a plurality of energy supply branches that are connected in parallel, each of which is connected to an output connector of the energy storage device. Each of the energy supply branches includes a plurality of energy storage modules that are connected in series, each having at least one energy storage cell, and having a plurality of coupling modules connected to one of the plurality of energy storage modules, respectively, each configured to couple, or to bridge, the connected energy storage module with the energy supply branch. The energy storage device further includes a control system.Type: GrantFiled: June 1, 2012Date of Patent: October 8, 2019Assignees: Robert Bosch GmbH, Samsung SDI Co., Ltd.Inventors: Markus Klausner, Volkmar Denner, Stefan Butzmann
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Patent number: 10424958Abstract: A charging method and an apparatus are provided. The charging method includes: constant-current charging the rechargeable battery until a voltage of the rechargeable battery reaches a first predetermined voltage; and charging the rechargeable battery with a gradually decreasing charging voltage until a charging process is completed. In this way, the capacity of a battery after being fully charged can be further increased while improving the charging speed.Type: GrantFiled: December 14, 2018Date of Patent: September 24, 2019Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.Inventors: Chen Tian, Jun Zhang, Jialiang Zhang
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Patent number: 10295606Abstract: A method for short detection in a battery pack, the battery pack including a plurality of cells, the method including: connecting a short detection module to the battery pack; determining by the short detection module that the battery pack is at rest; and selecting a first cell in the battery pack for testing for a short, wherein the testing includes: connecting a voltage source to the first cell; measuring a current of the first cell; and determining based on the measured current of the first cell whether the first cell contains a short.Type: GrantFiled: March 12, 2014Date of Patent: May 21, 2019Assignee: TIAX LLCInventor: Christopher H. McCoy
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Patent number: 9939494Abstract: A concentration distribution in an active material of a battery unit is calculated by using a diffusion equation, and a first polarization elimination time taken for the concentration distribution in the active material to fall within an allowable range is calculated assuming that charge and discharge of the battery unit is not performed. A concentration distribution in an electrolyte of the battery unit is calculated by using a diffusion equation, and a second polarization elimination time taken for the concentration distribution in the electrolyte to fall within an allowable range is calculated assuming that the charge and the discharge of the battery unit is not performed. It is determined that polarization of the battery unit is eliminated when a time for which the charge and the discharge of the battery unit is not performed is longer than the longer one of the first polarization elimination time and the second polarization elimination time.Type: GrantFiled: May 15, 2012Date of Patent: April 10, 2018Assignee: Toyota Jidosha Kabushiki KaishaInventor: Takashi Ogura
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Patent number: 9849801Abstract: Provided is a battery control device for the standardization of a battery, and more particularly, to a battery control device for the standardization of a battery, which allows one or more application modules performing functions of a battery management system (BMS) to independently operate with respect to a time, prevents data shared by one or more respective application modules from being subordinate to each other, and further, allows one or more application modules to perform functions thereof regardless of a change of the mode.Type: GrantFiled: October 31, 2014Date of Patent: December 26, 2017Assignee: LG CHEM, LTD.Inventor: Jihoon Kim
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Patent number: 9806772Abstract: The present invention is directed to apparatuses, systems, methods, and computer readable media that can facilitate the transfer of power between at least two electrical devices. At least one of the electrical devices is preferably a battery operated device. The present invention may also be used to facilitate the transfer of information among electrical devices. For example, the present invention may be used to automatically pair two Bluetooth devices together.Type: GrantFiled: February 25, 2013Date of Patent: October 31, 2017Assignee: Apple Inc.Inventors: John Tang, Gregory Christie, Jesse L. Dorogusker, Donald Novotney, Jeffrey J. Terlizzi, Terry Tikalsky, Christopher D. McKillop, Stanley Rabu
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Patent number: 9787123Abstract: A charge/discharge control device according to an aspect of the present disclosure is equipped with a system frequency measurer 303 that measures a system frequency, a base frequency updater 304 that updates a base frequency, a frequency bias calculator 305 that calculates a frequency bias indicating the difference between the base frequency and the system frequency, a charge/discharge command value decider 306 that uses the frequency bias to decide a power command value, and a charge/discharge controller 307 that causes a power storage system to charge/discharge power.Type: GrantFiled: September 8, 2015Date of Patent: October 10, 2017Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Mitsuru Kaji
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Patent number: 9774197Abstract: An internal short-circuit detection method for a battery cell of a battery pack is determined using a battery cell charge balancing resistor and switch. The switch is used for connecting or disconnecting the battery cell charge balancing resistor to the battery cell. Evolution of discharging of the battery with the battery cell-charge balancing resistor connected to the battery cell is monitored to measure an internal short-circuit resistance of the battery cell for estimating the state of the internal short-circuit.Type: GrantFiled: February 22, 2017Date of Patent: September 26, 2017Assignee: BORDRIN MOTOR CORPORATION, INC.Inventors: Yonghua Li, Zhiwei Zhang
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Patent number: 9735665Abstract: A circuit for use in a power converter includes a control circuit coupled to detect whether an electrical energy source is coupled to an input of the power converter. A switch is coupled to the control circuit, and is coupled to transfer energy from the input of the power converter to an output of the power converter during a first operating mode. The control circuit is coupled to drive the switch in the first operating mode when the electrical energy source is coupled to the input of the power converter. The control circuit is coupled to drive the switch in a second operating mode when the electrical energy source is uncoupled from the input of the power converter to drive the switch to discharge a capacitance coupled between input terminals of the power converter to a threshold voltage in less than a maximum period of time.Type: GrantFiled: May 20, 2015Date of Patent: August 15, 2017Assignee: Power Integrations, Inc.Inventors: Balu Balakrishnan, David Kung, Raymond Kenneth Orr, David Michael Hugh Matthews
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Patent number: 9711778Abstract: A method of manufacturing a battery module for use in a vehicle is presented. The method may include disposing battery cells into a lower housing and disposing a lid assembly over the battery cells. The lid assembly may include a lid and bus bar interconnects disposed on the lid. The method may also include disposing a printed circuit board (PCB) assembly onto the lid assembly and electrically coupling portions of the lid assembly, portions of the PCB assembly, and the battery cells to each other.Type: GrantFiled: March 31, 2014Date of Patent: July 18, 2017Assignee: Johnson Controls Technology CompanyInventors: Richard M. DeKeuster, Edward J. Soleski, Robert J. Mack, Gary P. Houchin-Miller, Stephen D. Cash, Lisa L. Winders, Jack L. Johnson
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Patent number: 9705354Abstract: Provided are improvements for systems and methods of alternating current (AC) to direct current (DC) power regulation. The system improvements include a regulation circuit having a microprocessor that controls a silicon controlled rectifier circuit. Method improvements include one or more of SCR load sharing, adaptive voltage droop compensation, and/or voltage rebound compensation.Type: GrantFiled: March 10, 2014Date of Patent: July 11, 2017Assignee: Trumpet Holdings, Inc.Inventor: James R. Hannas
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Patent number: 9641009Abstract: A charging device includes charging power detection unit and full charge determination unit. The charging device further includes charging control unit adapted to repeatedly execute a additional charging control until the number of times of the full charge determination reaches a predetermined full charge determination count. The charging device further includes unit adapted to detect the temperature of the secondary battery, and full charge determination count setting unit adapted to set a larger full charge determination count as the temperature decreases at least based on the temperature of the secondary battery when the full charge determination is made.Type: GrantFiled: July 10, 2013Date of Patent: May 2, 2017Assignee: NISSAN MOTOR CO., LTD.Inventors: Atsushi Takano, Tsutomu Soga
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Patent number: 9640987Abstract: A discharge circuit for an electronic device includes an energy storage element, a plurality of switches and a plurality of discharge paths coupled to the energy storage element and the switches. If a system power of the electronic device is turned off, a first switch of the switches conducts a first discharge path of the discharge paths, and the energy storage element is discharged through the first discharge path. In response that a voltage of the energy storage element drops to a first threshold, a second switch of the switches conducts a second discharge path of the discharge paths, and the energy storage element is discharged through the first discharge path and the second discharge path.Type: GrantFiled: December 29, 2014Date of Patent: May 2, 2017Assignee: Avision Inc.Inventor: Hsing-Lu Chen
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Patent number: 9590440Abstract: A mobile electronic device includes a first charging terminal that is to be brought into contact with a second charging terminal of a battery charger, a battery that is charged by electric power that is supplied from an external power supply via the first charging terminal, a resistor that is arranged between the first charging terminal and the battery, and a processor that measures voltage values of both ends of the resistor, that calculates, on the basis of the voltage values of the both ends, a terminal voltage value of the second charging terminal, and a resistance value of the resistor, an electric power consumption value of a contact portion in which the first charging terminal is brought into contact with the second charging terminal, and that stops charging the battery when the electric power consumption value is equal to or greater than a threshold.Type: GrantFiled: December 11, 2014Date of Patent: March 7, 2017Assignee: FUJITSU LIMITEDInventor: Shuji Matsumoto
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Patent number: 9525299Abstract: A charging device for a storage battery includes: a charging power source for supplying electric power to a storage battery; a charging electric power detecting device adapted to detect electric power charged to the storage battery; a full charge determining device adapted to make a full charge determination based on a detected value of the charging electric power detecting device; and a charging controlling device adapted to conduct charging control by charging the storage battery until the full charge determination is made, stopping charging when the full charge determination is made, restarting charging after a prescribed time period elapses from the stop of charging, and continuing charging until the full charge determination is made again.Type: GrantFiled: March 8, 2013Date of Patent: December 20, 2016Assignee: NISSAN MOTOR CO., LTD.Inventors: Atsushi Takano, Tsutomu Soga
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Patent number: 9484736Abstract: Provided is an operating method of an electronic device including a first processor, a humidity sensor, a second processor controlling the humidity sensor, and a battery, wherein the second processor and the battery are waterproofed. The method may include: detecting a power supply event from the battery; supplying a power from the battery to the second processor controlling the humidity sensor and not supplying the power to the first processor; determining, by the second processor, a humidity of the electronic device by using the humidity sensor; and when the humidity of the electronic device is greater than a first reference humidity, cutting off power supply from the battery and when the humidity of the electronic device is less than the first reference humidity, supplying the power to the first processor.Type: GrantFiled: April 14, 2014Date of Patent: November 1, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun-Ju Hong, Seung-Ki Choi
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Patent number: 9455585Abstract: A charging apparatus may include a power supply unit supplying charging power, a charging unit transferring the charging power from the power supply unit to an external charging target device, a charge controlling unit controlling a charging state of the charging unit, a display unit displaying the charging state according to controlling by the charge controlling unit and stopping a displaying operation when the charging target device is in a fully-charged state, and a delaying unit blocking a current supplied to the display unit and delaying the stopping of the displaying operation of the display unit for a preset time when the charging target device is recharged in the fully-charged state.Type: GrantFiled: June 2, 2014Date of Patent: September 27, 2016Assignee: Samsung Electro-Mechanics Co., Ltd.Inventor: Yong Woon Park
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Patent number: 9379575Abstract: A method of charging a battery in a charging system having a power convertor that coverts AC electrical power to DC electrical power includes operating the power convertor at a first frequency during a first charging phase of the charging system; ending the first charging phase upon determining that a predetermined criterion is satisfied; and subsequent to ending the first charging phase, operating the power convertor at a second frequency during a second charging phase of the charging system, wherein the first frequency is different than the second frequency.Type: GrantFiled: March 7, 2014Date of Patent: June 28, 2016Assignee: NISSAN NORTH AMERICA, INC.Inventor: Kazuyuki Higashi
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Patent number: 9362764Abstract: A portable power supply adapted to be connected to an external power source and to an electronic device comprises a main module comprising a battery, a satellite module comprising an input port, and output port, and an interface panel, and a tether cable, and a controller. The controller a first mode to allow the battery to be charged when the external power supply is connected to the input port, a second mode to allow power to be supplied to the electronic device from the battery when the electronic device is connected to the output port, and a third mode to allow the battery to be charged and power to be supplied to the electronic device when the external power supply is connected to the input port and the electronic device is connected to the output port.Type: GrantFiled: January 23, 2013Date of Patent: June 7, 2016Assignee: Tsuga Engineering LLCInventors: George Farkas, Daniel Krones, Wesley Ellis
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Patent number: 9300168Abstract: A hybrid power system includes an on-board compressed air supply and a battery. One or more electric motors are coupled to the vehicle wheels. The compressed air drives an air motor that is coupled to an electric generator. The electric generator is coupled to a smart power controller which controls the delivery of compressed air to the air motor and also directs the electric power to an electric motor battery bank, an accessory battery, a capacitor bank for storing the electric energy or directly to the electric motors. In accordance with the present invention, the smart energy controller optimizes the compressed air and electric energy sources to maximize the driving range of the vehicle.Type: GrantFiled: November 18, 2008Date of Patent: March 29, 2016Inventors: Dean S. Elleman, Gordon Helm
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Patent number: 9287725Abstract: A circuit includes a first port configured for connection to a battery charger and a plurality of second ports each configured for connection to a battery to be charged. The circuit includes a corresponding switchable circuit path provided between the first port and each of the second ports. A control circuit is configured to selectively activate the switchable circuit paths so as to connect the first port to selected ones of the second ports for charging of the connected battery by the connected battery charger.Type: GrantFiled: April 19, 2012Date of Patent: March 15, 2016Assignee: PULSETECH PRODUCTS CORPORATIONInventors: James Earl Huffman, Johnny Lyman Wise
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Patent number: 9240701Abstract: A lithium-ion secondary battery (100) includes a positive electrode mixture layer (223) coated on a positive electrode current collector (221), a negative electrode mixture layer (243) coated on a negative electrode current collector (241), and an electrolyte solution containing lithium ions at a predetermined concentration. The number of lithium ions X in the electrolyte solution impregnated per 1 cm3 of the positive electrode mixture layer (223) and the number of lithium ions Y in the electrolyte solution impregnated per 1 cm3 of the negative electrode mixture layer (243) are both 3.75×1019 or greater.Type: GrantFiled: June 8, 2011Date of Patent: January 19, 2016Assignee: Toyota Jidosha Kabushiki KaishaInventor: Koji Takahata
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Patent number: 9225187Abstract: The present invention discloses multi-functional electrode (MFE) devices for fast-charging of energy-storage devices. MFE devices include: a multi-functional electrode (MFE) device for fast-charging of energy-storage devices, the device including: a first MFE structure for forming a suitable electrochemical half-couple, the first MFE structure having a first fast-charging component (FCC) and a first MFE assembly; a counter-electrode structure for forming a complementary electrochemical half-couple to the first MFE structure; and an internal voltage controller (IVC) for applying a bias potential to the first MFE structure and/or the counter-electrode structure, whereby the bias potential is set in accordance with the chemical nature of the first MFE structure and the counter-electrode structure. Preferably, the IVC is configured to regulate an intra-electrode potential gradient between the first FCC and the first MFE assembly, thereby controlling a charge rate from the first FCC to the first MFE assembly.Type: GrantFiled: May 8, 2015Date of Patent: December 29, 2015Assignee: StoreDot Ltd.Inventors: Daniel Aronov, Liron Amir, Doron Burshtain, Olga Guchok, Leonid Krasovitsky
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Patent number: 9209639Abstract: A storage battery system includes: electric storage units; and DC-DC converters each provided between one of the electric storage units and a DC bus. Each of the DC-DC converters includes: a voltage sensor for detecting a voltage value at a connection point between the DC bus and the DC-DC converter; a second obtainment unit which obtains voltage values detected by the voltage sensors of the other DC-DC converters; and a control unit which, when a difference value between a statistic of the voltage values obtained by the second obtainment unit and the voltage value detected by the voltage sensor is not less than a predetermined threshold value, changes the voltage value detected by the voltage sensor, and controls an amount of charge in and an amount of discharge from a corresponding one of the electric storage units to approximate the changed voltage value to a predetermined target value.Type: GrantFiled: June 19, 2013Date of Patent: December 8, 2015Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Kazufumi Nishikawa, Kohji Matsumura
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Patent number: 9206562Abstract: A grade propulsion system provided herein includes: a propel pump; a brake system; an operator control configured to receive and transmit a propel command and a Hill Mode activation; and a controller electronically coupled to the propel pump, the brake system, and the operator control, the controller configured, after activation of the Hill Mode and the propel command, to transmit a propel current to the propel pump and disengage the brake system when the propel current is equal to or greater than a cracking current plus an offset current.Type: GrantFiled: March 4, 2013Date of Patent: December 8, 2015Assignee: Caterpillar Paving Products Inc.Inventors: Toby A. Frelich, Kea V. Chin, Steven R. Queen