Patents Examined by Samuel Berhanu
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Patent number: 11091053Abstract: The invention relates to the technology of new energy automobile, and in particular to an aircraft carrier type mobile charging vehicle, a cloud control and dispatch platform for controlling and dispatching a charging operation of the aircraft carrier type mobile charging vehicle, and a method for realizing mobile charging by using the aircraft carrier type mobile charging vehicle.Type: GrantFiled: July 25, 2017Date of Patent: August 17, 2021Assignee: NIO (ANHUI) HOLDING CO., LTD.Inventor: Jun Ma
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Patent number: 11095128Abstract: A voltage balance correction circuit includes multiple voltage correction circuits that correspond one-to-one to multiple electricity storage cells connected in series, and a control circuit that is configured to control the multiple voltage correction circuits based on voltages of the multiple electricity storage cells. The multiple voltage correction circuits include first coils that are connected to the electricity storage cells in parallel, respectively, field-effect transistors that are configured to turns on/off connections of the first coils with the electricity storage cells, respectively, under control of the control circuit, and second coils that are magnetically respectively coupled with the first coils. In the multiple voltage correction circuits, the second coils are connected in parallel.Type: GrantFiled: September 27, 2017Date of Patent: August 17, 2021Assignee: FDK CORPORATIONInventors: Masatsuru Miyazaki, Norio Fukui
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Patent number: 11091055Abstract: Presented are vehicle charging systems and control logic for provisioning vehicle grid integration (VGI) activities, methods for making/using such charging systems, and electric-drive vehicles with intelligent vehicle charging and VGI capabilities. A method of controlling charging operations of electric-drive vehicles includes a vehicle controller detecting if a vehicle is coupled to an electric vehicle supply equipment (EVSE), and determining if the vehicle's current mileage exceeds a calibrated mileage threshold. Responsive to the vehicle being connected to the EVSE and the vehicle's current mileage exceeding the calibrated mileage threshold, the controller determines the current remaining life of the vehicle's traction battery pack and the current time in service of the vehicle. The vehicle controller determines if the current remaining battery life exceeds a predicted remaining battery life corresponding to the current time in service.Type: GrantFiled: May 10, 2019Date of Patent: August 17, 2021Assignee: GM Global Technology Operations LLCInventors: James E. Tarchinski, Brian J. Koch
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Patent number: 11091044Abstract: A method for preparing a vehicle for at least one future drive. The vehicle has at least one electric energy storage unit, with which at least one electric machine is supplied with electric energy. The vehicle is assigned to a system, which has at least one electric charging station and at least one station for provided services. The vehicle is further assigned to the at least one station for provided services, with which at least one provided service is made available. The at least one electric energy storage unit is connected to the at least one electric charging station when the at least one provided service is made available, and, through the at least one electric charging station, is supplied with electric energy.Type: GrantFiled: May 10, 2018Date of Patent: August 17, 2021Assignee: AUDI AGInventors: Achim Enthaler, Michael Mürken, Andreas Thanheiser
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Patent number: 11081899Abstract: A battery system includes a battery circuit group in which a plurality of battery circuits, each including a plurality of battery units including a battery and a switching unit connected in series, are connected in parallel, and a control unit that controls the switching unit. The switching unit switches a state of the battery unit between a first state, in which the battery is connected between a positive electrode end and a negative electrode end of the battery unit, and a second state, in which the positive electrode end and the negative electrode end are connected without the battery. When discharging, the control unit controls the switching unit such that the state of the battery unit including the battery determined to be not fully discharged becomes the first state, and the state of the battery unit including the battery determined to be fully discharged becomes the second state.Type: GrantFiled: July 18, 2019Date of Patent: August 3, 2021Assignee: YAZAKI CORPORATIONInventors: Chihiro Ono, Takahiro Syouda
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Patent number: 11075533Abstract: A lithium ion secondary battery includes a positive electrode including a positive electrode active material layer containing lithium iron phosphate, a negative electrode including a negative electrode active material layer containing graphite, and an electrolyte including a lithium salt and a solvent including ethylene carbonate and diethyl carbonate between the positive electrode and the negative electrode. When the battery temperature of the lithium ion secondary battery or the temperature of an environment in which the lithium ion secondary battery is used is T and given temperatures are T1 and T2 (T1<T2), in the case where T<T1, constant current charge is performed until voltage reaches a given value and then constant voltage charge is performed; in the case where T1?T<T2, only constant current charge is performed; and in the case where T2?T, charge is not performed.Type: GrantFiled: October 21, 2019Date of Patent: July 27, 2021Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Minoru Takahashi, Junpei Momo, Hiroyuki Miyake, Kei Takahashi
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Patent number: 11063464Abstract: An apparatus for changing a wireless charging mode includes a power receiving antenna configured to receive power from a power supply using a first frequency band, a communication circuit configured to communicate with the power supply using a second frequency band, a power management circuit configured to charge a battery using the received power, and a control circuit configured to be electrically connected with the power management circuit. In addition, various embodiments ascertained through the specification are possible.Type: GrantFiled: July 5, 2017Date of Patent: July 13, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Han Seok Park, Young Mi Ha, Kang Ho Byun, Min Ho Kang, Dong Zo Kim, Se Ho Park, Keum Su Song
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Patent number: 11050298Abstract: A wireless device is provided and includes a substrate, a first coil and a second coil. The first coil is configured to be wound around a first axis, and the first coil is disposed on the substrate and is configured to operate in a wireless charging mode. The second coil is disposed on the substrate and configured to operate in a wireless communication mode. The wires of the second coil partially overlap the wires of the first coil.Type: GrantFiled: September 14, 2018Date of Patent: June 29, 2021Assignee: TDK TAIWAN CORP.Inventors: Feng-Lung Chien, Hsiang-Hui Hsu, Chien-Hung Lin
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Patent number: 11050352Abstract: A converter system for converting a three-phase or a single-phase AC voltage into a DC voltage, wherein the converter system includes three converter branches, each converter branch including a first input and a second input to be supplied with a single-phase AC voltage and a first output and a second output providing a DC voltage; wherein each converter branch includes an AC-to-DC stage and a DC-to-DC stage, which are connected between the first and second input and the first and second output; wherein the converter system is configured for interconnecting the first input of each converter branch with a phase of a three-phase grid and for interconnecting the first inputs of the converter branches with a phase of a single-phase grid; wherein the converter system is configured for interconnecting the second inputs, which are interconnected with each other, of the converter branches with a neutral point of the three-phase grid or the single-phase grid; and wherein the converter system includes one or more contrType: GrantFiled: November 5, 2018Date of Patent: June 29, 2021Assignee: ABB Schweiz AGInventors: Filippo Chimento, Mauro Piazzesi
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Patent number: 11043824Abstract: A method to charge a battery pack including a plurality of cells connected in parallel, the method including setting a plurality of set cell charging current, a set cell charging current for each cell of the battery pack; charging the battery back with a total current from a single current source; sensing a plurality of cell currents which flows through each cell of the battery pack; comparing a value proportional to each set cell charging current with a value proportional to the cell current for the same cell; and modulating each cell current on the basis of the comparison for the same cell. A battery charging circuit for a battery pack is also provided.Type: GrantFiled: November 21, 2018Date of Patent: June 22, 2021Assignee: Datalogic IP Tech S.r.l.Inventors: Sandro Codato, Paolo Mazzocato
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Patent number: 11034252Abstract: An electric vehicle charging assembly includes a plurality of charge transmitters that are each embedded into a roadway. The charge transmitters are spaced a predetermined distance apart from each other and are distributed along an entire distance of the roadway. Moreover, each of the charge transmitters broadcasts a charging signal. A charge transceiver is coupled to an electric vehicle and the charge transceiver is in electrical communication with batteries of the electric vehicle. The charge transceiver is in wireless communication with each of the charge transmitters when the electric vehicle is driven on the roadway. The charge transceiver receives the charge signal for charging the batteries in the electric vehicle while driving.Type: GrantFiled: July 31, 2019Date of Patent: June 15, 2021Inventor: Kristopher Barnes
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Patent number: 11031791Abstract: An electronic adjusting device (1) for an electric energy storing apparatus (100) of the type provided with batteries, said storing apparatus comprising a plurality of battery modules (10) electrically connectable with an electric load, said electronic adjusting device comprising a plurality of electronic adjusting units (2), each comprised in a corresponding battery module (10) to adjust the feeding current (IL) provided by the cells (11) of the said battery module to said electric load.Type: GrantFiled: January 11, 2017Date of Patent: June 8, 2021Assignee: Genport S.R.L.Inventors: Walter Castagna, Paolo Barile, Stefano Limonta, Paolo Fracas
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Patent number: 11025071Abstract: A power supply unit for an aerosol inhaler includes: a power supply that is able to discharge power to a load for generating an aerosol from an aerosol generation source; and a control unit that is configured to control at least one of charging and discharging of the power supply such that the power supply does not become one or both of a fully charged state and a discharging termination state.Type: GrantFiled: October 30, 2019Date of Patent: June 1, 2021Assignee: JAPAN TOBACCO INC.Inventors: Manabu Yamada, Takeshi Akao
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Patent number: 11025074Abstract: An on-board charging management apparatus includes a vehicle-side earth line connected with an external-side earth line of an external power unit; a vehicle-side signal line connected with an external-side signal line of the external power unit; and a detection signal line configured to connect the vehicle-side signal line and the vehicle-side earth line. Presence or absence of a disconnection of the external-side earth line and the vehicle-side earth line is determined based on an electric current value or a voltage value of the detection signal line, when the external power unit is in a connected state. As a consequence, the on-board charging management apparatus can detect a disconnection of the earth line at the time of charging an on-board electric storage device.Type: GrantFiled: November 14, 2018Date of Patent: June 1, 2021Assignee: Toyota Jidosha Kabushiki KaishaInventors: Tomokazu Masuda, Kenya Segawa
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Patent number: 11011925Abstract: A battery charging apparatus and method, a terminal, a power adapter, and a storage medium relate to the electronics field, where the method includes detecting temperature of a charging path in a battery charging apparatus, and when a power adapter supplying charging power for the battery charging apparatus works in a first working mode and a detected largest temperature value is greater than or equal to a preset threshold, instructing the power adapter to switch to a second working mode, decoupling a charging path corresponding to the first working mode, and coupling a charging path corresponding to the second working mode. This reduces impact of local heat accumulation on device performance during charging of a terminal battery, lengthens a device life span, and improves user experience.Type: GrantFiled: April 28, 2017Date of Patent: May 18, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Chao Zhang, Chong Wen
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Patent number: 11005273Abstract: The present disclosure relates to a power management circuit including a control circuit, a first switch module, a second switch module, and a voltage conversion circuit. A first input end of the control circuit receives a main battery activeness detection signal, a first output end is connected to an enabling end of the second switch module which is connected to the voltage conversion circuit and an energy recovery component, and a second output end is connected to an enabling end of the first switch module which is connected to the voltage conversion circuit, a secondary battery, and a main battery. According to the received activeness detection signal, a channel used by the energy recovery component to charge the secondary battery is connected, or a channel used by the secondary battery or the energy recovery component to charge the main battery is connected.Type: GrantFiled: September 1, 2016Date of Patent: May 11, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Ruimin Wang, Muyun Qin, Jianhui Jiang, Shaomin Qi
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Patent number: 11001150Abstract: A battery pack may include: a plurality of cell stacks; a plurality of monitoring circuits configured to detect voltages of a plurality of cells included in a corresponding cell stack among the cell stacks; a plurality of current measurement circuits configured to measure current consumption of a corresponding monitoring circuit among the monitoring circuits; a plurality of current adjustment circuits configured to adjust a discharge current of a corresponding cell stack among the cell stacks; and a battery controller configured to receive a current consumption measurement result of the monitoring circuits from the current measurement circuits, to calculate current consumption deviation between the monitoring circuits based on the current consumption measurement result of the monitoring circuits, and to control the current adjustment circuits based on the current consumption deviation.Type: GrantFiled: October 19, 2017Date of Patent: May 11, 2021Assignee: Samsung SDI Co., Ltd.Inventor: Takao Hidaka
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Patent number: 10998738Abstract: A battery control apparatus for a battery according to the present invention excludes a faulty battery cell from the connection between battery cells and at the same time automatically connects a replacement battery cell to the battery cells when a fault occurs in some of the battery cells, thereby allowing the output voltage of the battery to be kept constant in spite of the faulty battery cell. Further, in a state where a plurality of battery modules are connected in parallel, the battery control apparatus disconnects a battery module including a faulty battery cell during the replacement of the faulty battery cell, thereby preventing the output voltage of the battery from being discontinuous. In addition, a switch used in the battery control apparatus for a battery is a fusible switch including two separate fixed electrodes and one movable electrode.Type: GrantFiled: March 16, 2016Date of Patent: May 4, 2021Inventor: Seung Gyu Lee
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Patent number: 10994627Abstract: A charge management system includes a vehicle and an external charging facility including a connector. The vehicle includes a second resistor, a voltage regulating circuit, and an electronic control unit. The electronic control unit is configured to control the voltage regulating circuit.Type: GrantFiled: May 2, 2019Date of Patent: May 4, 2021Assignees: Toyota Jidosha Kabushiki Kaisha, DENSO TEN LimitedInventor: Tohru Morimoto
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Patent number: 10985591Abstract: A battery includes plural battery cells that output a source voltage to power a device, such as an information handling system. A controller of the battery disconnects each battery cell at a predetermined interval for a predetermined time period, such as from a range of between 15 and 60 seconds, while maintaining the source voltage. The predetermined time and interval are selected based upon the load supplied by the battery and an estimated increase in battery output efficiency.Type: GrantFiled: March 19, 2018Date of Patent: April 20, 2021Assignee: Dell Products L.P.Inventors: Craig L. Chaiken, Terry L. Matula