Patents Examined by Michael R. Fin
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Patent number: 11418053Abstract: Methods and devices optimize backup power management for network devices connected to backup power sources including two different batteries. Machine learning techniques are used to predict upcoming power outages affecting the network device based on power-related historic information and current conditions. A backup-power operation plan prescribing usage of the backup power sources during the predicted power outages is then generated. The backup-power operation plan schedules a battery among the backup power devices to be used at least twice without being recharged.Type: GrantFiled: July 19, 2018Date of Patent: August 16, 2022Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Lackis Eleftheriadis, Christofer Flinta, Valentin Kulyk, Konstantinos Vandikas, Abhishek Sarkar
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Patent number: 11414031Abstract: A system includes an ignition switch, a power source, a power outlet, and an electronic control unit communicatively coupled to the ignition switch. The electronic control unit is configured to: determine that the ignition switch is set to an OFF state, determine whether a state of charge of an electronic device coupled to the power outlet is below a target state of charge, and in response to determining that the ignition switch is set to the OFF state and determining that the state of charge is below the target state of charge, provide power to the electronic device, from the power source and through the power outlet, while the ignition switch is set to the OFF state until the state of charge of the electronic device reaches the target state of charge.Type: GrantFiled: December 9, 2019Date of Patent: August 16, 2022Assignee: TOYOTA MOTOR NORTH AMERICA, INC.Inventor: Evan Vijithakumara
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Patent number: 11408388Abstract: In a vehicular control apparatus, a minimum operating voltage of a first characteristic device is set to be lower than a minimum operating voltage of a second characteristic device. A supply voltage controller is provided between a controller and the second characteristic device to prevent an occurrence of a situation where a supply voltage of a device power supplied to the second characteristic device becomes less than an input voltage of a signal line of a control signal transmitted from the controller to the second characteristic device.Type: GrantFiled: April 12, 2021Date of Patent: August 9, 2022Assignee: DENSO CORPORATIONInventors: Daiki Yoshihara, Takashi Hashizume
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Patent number: 11398750Abstract: A power distribution grid for a facility, such as a data center, is located within the facility. The power distribution grid includes a plurality of power transport elements arranged in a grid pattern and nodes located at intersections of the grid pattern. Electrical loads are supplied power via respective nodes of the power distribution grid. Also, each node is supplied power from more than two transport elements, such that one or more transport elements can fail and electrical loads connected to a particular node associated with the failed transport elements continue to receive electrical power supplied to the particular node from at least two different transport elements.Type: GrantFiled: July 31, 2020Date of Patent: July 26, 2022Assignee: Amazon Technologies, Inc.Inventor: Peter George Ross
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Patent number: 11377054Abstract: Described is an electrical power controlling unit (1) for controlling electrical power delivery received from a direct current power source (2) to an electrical power consuming device (3), the alternating current power consuming device being driven by modulatable multiple phase alternating output current at a first voltage provided by the controlling unit, the controlling unit comprising an electrical current transformer (4), multiple outlet conductors (5) for connecting the transformer to the electrical power consuming device, command input means (6) to receive controlling commands from a controller interface (7), battery power input means (8), direct current power source input means (10) for receiving direct current from the electrical power source, a voltage converter (11), first conducting means (12) connecting the voltage converter to the current transformer, and second conducting means (13) connecting the voltage converter to a converted direct current power outlet (14).Type: GrantFiled: November 6, 2019Date of Patent: July 5, 2022Assignee: VETUS B.V.Inventors: Frederik Ferdinand Schmidt, Arthur Johannes Maria Wilhelmus Roeling
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Patent number: 11381109Abstract: An uninterruptible power supply system includes: at least one AC input terminal; an AC output terminal; an DC input terminal; at least one uninterruptible power supply (UPS) device having: a DC link; a DC/AC converter connecting on a first side to the DC link and on a second side to the AC output terminal; and a DC/DC converter connecting on a first side to the DC input terminal and on second side to the DC link. The uninterruptible power supply system further includes at least two switches; and at least one coupled differential mode inductor having two windings. Each switch of the at least two switches is connected in series with at least one winding of the at least one coupled differential mode inductor forming a series connection. The series connection is connected on a first side to the at least one AC input terminal.Type: GrantFiled: February 25, 2021Date of Patent: July 5, 2022Assignee: ABB Schweiz AGInventors: Alessandro Antoniazza, Gianluca Butti
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Patent number: 11381107Abstract: An Uninterruptible Power Supply (UPS) including an input configured to receive input AC power, a DC output configured to provide output DC power to a load, an AC output configured to provide output AC power to the load, a charger coupled to the input and configured to convert the input AC power into DC power, a DC bus, and a controller configured to monitor a current demand at the DC output relative to a demand threshold, operate, in response to a determination that the current demand at the DC output is below the demand threshold, the UPS in a first mode of operation by enabling the charger to provide DC power to the DC bus, and operate, in response to a determination that the current demand at the DC output is above the demand threshold, the UPS in a second mode of operation by disabling the charger.Type: GrantFiled: December 4, 2020Date of Patent: July 5, 2022Assignee: SCHNEIDER ELECTRIC IT CORPORATIONInventors: Chandrasekaran Jayaraman, Pradeep Tolakanahalli Nagabhushanrao, Pavan Kumar Gudipalli, Nagaraju Ingurthi
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Patent number: 11370374Abstract: Methods and systems for managing a supply of power to a communications system in a vehicle. A power management system obtains at least one of schedule information for a party associated with the vehicle or historical data for the communications system is obtained. The power management system controls the supply of power from a power source to the communication system when the vehicle is turned off based on the at least one of the schedule information or the historical data.Type: GrantFiled: November 6, 2018Date of Patent: June 28, 2022Assignee: TOYOTA MOTOR NORTH AMERICA, INC.Inventors: Andrew L. Wells, Eric Randell Schmidt
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Patent number: 11374441Abstract: In accordance with some embodiments of the present invention, a method of controlling and correcting negative modulation is presented. In some embodiments, a method of operating a receiver includes detecting a negative modulation and adjusting one or more parameters to force a transition to a positive modulation. The parameters can be the output voltage Vout, the transmitter input voltage Vin, or receiver structural elements.Type: GrantFiled: March 28, 2019Date of Patent: June 28, 2022Assignee: Integrated Device Technology, Inc.Inventors: Nicholaus Wayne Smith, Chan Young Jeong
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Patent number: 11368046Abstract: The present disclosure relates to a power supply management system adapted for use with at least one utility proxy power source, to help control powering a load when an AC mains power source is not available to provide power to the load. The system has a power converter forming an uninterruptible power supply, and includes a controller configured to control operation of the power converter. A supplemental battery subsystem is included which is in communication with the power converter for supplying DC power to the power converter. The controller monitors the application of power from the utility proxy to the load and uses the DC power supplied by the supplemental battery subsystem, when needed, to supplement the generation of power by the power converter, to thus assist the power converter in powering the load along with the power being provided by the utility proxy.Type: GrantFiled: February 9, 2021Date of Patent: June 21, 2022Assignee: Vertiv CorporationInventors: Peter A. Panfil, Graziano Galuppi, Robert C. Pfleging, Steven M. Madara
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Patent number: 11368047Abstract: An uninterruptible power supply (UPS) system operable in an energy saver mode includes: a static bypass switch connected between an input connector and an output connector of the UPS system and being activatable to operate the UPS system in the energy saver mode; a plurality power modules, each of the plurality of power modules being connected between the input connector and the output connector of the UPS system and at least some of the plurality of power modules being controllable for a reactive power compensation; and a controller for controlling one or more of the controllable power modules depending on a data input related to a reactive power compensation. The controller controls one or more of the controllable power modules depending on the data input such that a reactive power flow via the UPS system is adjusted.Type: GrantFiled: June 7, 2018Date of Patent: June 21, 2022Assignee: Eaton Intelligent Power LimitedInventors: Jan-Erik Berger, Tuomo Kohtamaeki, Anders Sjoeberg
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Patent number: 11362537Abstract: A balancing system for balancing respective voltages of N consecutively connected capacitors during charging or discharging includes balancing units, each having a pair of associated switches and an electromagnetic coil. An inter-switch junction is connected to an inter-capacitor junction of a corresponding group of capacitors through the electromagnetic coil. A control and generation circuit generates PWM control signals and transmits a generated PWM control signal to each of the switches. The PWM control signals have fixed duty cycles that do not vary temporarily during charging or discharging of the N capacitors. The duty cycles of two PWM control signals transmitted to two associated switches are complementary for each balancing unit.Type: GrantFiled: August 25, 2020Date of Patent: June 14, 2022Assignee: APTIV TECHNOLOGIES LIMITEDInventors: Emmanuel Boudoux, Victor Oliveira Tolentino, Jörg Wallerath
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Vehicle control device, method, storage medium, and vehicle that switch connections of two batteries
Patent number: 11351940Abstract: A vehicle control device includes a connection switching unit configured to switch the connection state to a state in which a second battery is solely connected to a first load when a voltage of a first battery is determined to be equal to or smaller than a first threshold value in a state in which the first and second batteries are connected to the first load, and after a first time has elapsed from switching to the second state, continue the state while the state of charge of the second battery is equal to or greater than a second threshold value, and switch the connection state to a state in which neither the first battery nor the second battery is connected to the first load when the state of charge of the second battery is smaller than the second threshold value.Type: GrantFiled: October 26, 2020Date of Patent: June 7, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Yoshiyuki Takahara -
Patent number: 11355953Abstract: A system for a vehicle includes a battery of the vehicle, a plurality of switches connected to the battery, and a plurality of subsystems of the vehicle connected to the battery via the switches and wires. The system includes a controller configured to control the switches and the subsystems, and to identify a variation in a rate of change of current characteristic in frequency domain for a current loop including one of the switches, one of the subsystems, and a plurality of the wires. The controller is configured to determine integrity of the plurality of the wires and connections of the wires in the current loop based on the variation in the rate of change of current characteristic for the current loop.Type: GrantFiled: November 9, 2020Date of Patent: June 7, 2022Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Lyall K. Winger, Brandon E. Pieniozek
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Patent number: 11342758Abstract: Example electrical power systems include an output for supplying a DC output voltage to a load, a first power source connected with the output to supply DC power to the load, and a second power source connected with the output to supply DC power to the load. The electrical power system is configured to supply DC power to the load using only the first power source when a demand of the load is less than an output capacity of the first power source, and the second power source is configured to maintain an enabled on-state when only the first power source is supplying DC power to the load. Additional electrical power systems and methods are also disclosed.Type: GrantFiled: February 18, 2021Date of Patent: May 24, 2022Assignee: Astec International LimitedInventors: John Faustino Begino, III, Nathaniel Franco Neri
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Patent number: 11338748Abstract: Provided is a vehicle power source control device and system that supplies power from an auxiliary power source to an in-vehicle load while suppressing the consumption of power when a failure occurs in the main power source when a vehicle has not been started. When a drive signal generation unit generates an off-signal and a main power source has failed, a power source drive circuit in an in-vehicle power source control device controls a power source circuit such that power is supplied from an auxiliary power source to a control unit. If the drive signal generation unit is generating an off-signal and the main power source is in a failed state, the control unit uses power supplied from the auxiliary power source to control the relay to switch to the first stopped state, and controls the converter to switch to the second permissive state.Type: GrantFiled: May 23, 2019Date of Patent: May 24, 2022Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventor: Hisanori Kambara
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Patent number: 11332030Abstract: An object is to provide a power system interconnection system and a method of installing the power system interconnection system that are able to supply a load with required power. A power system interconnection system comprises a storage battery an AC-DC power conversion device for the storage battery a charge and discharge station for an electric-powered automobile and an interconnection control device that are installed on a parking lot. The interconnection control device supplies a first load with power from at least one of the charge and discharge station and the AC-DC power conversion device in a case where the electric power system is in an emergency situation.Type: GrantFiled: June 27, 2019Date of Patent: May 17, 2022Assignee: DAIHEN CorporationInventors: Ryuhei Nishio, Akihiro Ohori, Nobuyuki Hattori, Koji Matsunaga
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Patent number: 11336111Abstract: Embodiments are directed to a microgrid power system, and applications thereof. In an embodiment, the microgrid power system comprises a power station including an AC power source and a stabilizing battery system. The power station may be configured to generate an AC power and to provide the first AC power to a power distribution network. A plurality of load centers may be connected to the power distribution system. Each load center may include a local battery and a switch connecting the power station to a local load. A system controller may open the switch to provide power from the local battery to the local load, and close the switch to provide power from the power station to the local load. In an embodiment, a microgrid controller may determine an amount of AC power generated by the power station that may be consumed by each load center.Type: GrantFiled: June 6, 2019Date of Patent: May 17, 2022Assignee: Powin, LLCInventor: Virgil Lee Beaston
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Patent number: 11336335Abstract: The present disclosure provides a terminal device and a protective shell, and belongs to the technical field of communication. The terminal device includes a body, a first coil, a second coil and a shielding member. The body includes a rear shell. The first coil is located in the body. The second coil is located in the body and close to one side of the rear shell, and the second coil at least partially overlaps the first coil. The shielding member covers the sides, far away from the rear shell, of the first coil and the second coil, and is located outside an overlapping portion of the first coil and the second coil, and the first coil is unshielded from the second coil.Type: GrantFiled: October 23, 2019Date of Patent: May 17, 2022Assignee: Beijing Xiaomi Mobile Software Co., LtdInventors: Kaiqi Wu, Yibo Xue, Yanteng Wang
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Patent number: 11325475Abstract: Provided are a battery pack, and a transportation apparatus including the battery pack. The battery pack includes a battery module, a battery management system configured to control charging and discharging operations of the battery module, a power supply terminal arranged to supply operation power, and a switch connected between the power supply terminal and the battery management system, and configured to be turned on in response to an abnormal situation of the battery module. Accordingly, it is possible to provide a battery pack, and a transportation apparatus including the battery pack, which may start a suitable protection operation by waking up a battery management system for monitoring a state of the battery pack, and by controlling a charge/discharge operation thereof, by detecting an abnormal situation of a battery module even when the battery management system is in a sleep mode.Type: GrantFiled: September 13, 2019Date of Patent: May 10, 2022Assignee: Samsung SDI Co., Ltd.Inventor: Dukjung Kim