Patents Examined by Aqeel H Bukhari
  • On-board power supply network of an electrically propelled aircraft
    Patent number: 11338928
    Abstract: A system for supplying electrical energy to at least one electrical load of an aircraft, this system including a main source of electrical energy connected to at least one electrical load through an electrical network, the system including a control device connected to the main source of electrical energy and configured to deliver a variable voltage level on the electrical network based on a predetermined voltage variation law depending on at least one parameter characterizing the altitude of the aircraft and according to the Paschen law with a predefined margin.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: May 24, 2022
    Assignee: SAFRAN
    Inventors: Jean-Philippe Hervé Salanne, Stephane Petibon, Florent Rougier, René Meunier, Meriem Abdellatif
  • Multi-battery system for an electric vehicle
    Patent number: 11325499
    Abstract: A multi-battery system includes a plurality of batteries, a first connector having a first identification unit, and a second connector having a second identification unit. Each battery includes a microcontroller, and a battery connector having a detection unit. The first connector is for electrically connecting a battery connector of a first battery of the plurality of batteries and a motor controller. The second connector is for electrically connecting a battery connector of a second battery of the plurality of batteries and the motor controller. When the first identification unit is set to a first predetermined value, and a detection unit of the first battery is electrically connected to the first identification unit, a microcontroller of the first battery sets the first battery as a master battery.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: May 10, 2022
    Assignee: DARFON ELECTRONICS CORP.
    Inventor: Pei-Chen Li
  • Power supply apparatus wake-up circuit
    Patent number: 11329501
    Abstract: A power supply apparatus wake-up circuit is provided. The power supply apparatus wake-up circuit includes a power consumption control circuit and a wake-up circuit connected to the power consumption control circuit. The power consumption control circuit includes a voltage regulation module and a protection circuit connected to the voltage regulation module. The voltage regulation module adjusts a voltage output to the protection circuit according to a sleep control signal. The protection circuit determines whether to trigger over-discharge protection according to an input voltage. The wake-up circuit includes a first switching device, and the wake-up circuit outputs a wake-up control signal to the protection circuit based on an operation of the first switching device by a user such that the protection circuit stops triggering the over-discharge protection.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: May 10, 2022
    Assignee: MERRY ELECTRONICS (SHENZHEN) CO., LTD.
    Inventor: Guang Ning
  • Multi-rotor aircraft comprising a system for propulsion and for non-propulsive electricity generation
    Patent number: 11312256
    Abstract: A propulsion and non-propulsive electrical generation system for an aircraft having at least one turbomachine and at least two pairs of rotors, the rotors of the same pair of rotors being symmetrically opposite on the aircraft with respect to the same center of symmetry, at least four motors each driving a rotor, at least one generator coupled to a turbomachine, an even number of power lines and at most equal to the number of rotors, each power line having at least one propulsion branch coupled to a motor, a battery coupled at the output to the propulsion branch, and an AC-DC converter coupled between an output of a generator and the propulsion branch.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: April 26, 2022
    Assignee: SAFRAN ELECTRICAL & POWER
    Inventors: Garance Vinson, Florent Nierlich, Jean-Pierre Garcia
  • Modular power conversion system
    Patent number: 11309715
    Abstract: A modular power conversion system. The modular power conversion system includes at least one first electric resource, a modular power stage, at least one second electric resource, and wherein the modular power stage comprising at last one module including power electronics for converting power between the at least one first electronic resource and the at least one second electric resource.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: April 19, 2022
    Assignee: DEKA Products Limited Partnership
    Inventors: Jason M. Sachs, Donald J. Lucas
  • Method for determining a component or multiple components of a number of components which can be driven in a parallel manner according to power requirements
    Patent number: 11300634
    Abstract: The method determining one or more components of a number of components which can be driven in parallel according to power requirements. A wear value of a respective component is ascertained in dependence on ambient conditions, operating states, the supply voltage, and/or the supply current. An optimal number of components to be operated in parallel is ascertained for a current power requirement and is compared with the currently operated number of components. If the number of currently operated components is greater than the optimal number, the component with the greatest wear value is deactivated. If the number of currently operated components is less than the optimal number, the component or components which can be activated in principle are ascertained and then the activatable component with the lowest wear value is activated.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: April 12, 2022
    Assignee: Vitesco Technologies GmbH
    Inventor: Martin Goetzenberger
  • Converter comprising at least one converter module with three bridge branches, operating method, and use of such a converter
    Patent number: 11303132
    Abstract: A converter includes an input configured to be connected to a DC source, at least one transducer module coupled to the input, and comprising a first, a second and a third bridge arm, wherein each of the bridge arms respectively has a phase output, and a common DC link circuit coupled to the input and the bridge arms. The first and second bridge arms are configured to provide a first power in the form of alternating current at their respective phase outputs. An energy store is configured to be connected to the phase output of the third bridge arm, and the third bridge arm is configured to exchange a second power between the DC source and the energy store and between the energy store and the DC link circuit/ A control unit is configured to control the bridge arms in such a manner that the sum of the first power and the second power corresponds to a constant set point.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: April 12, 2022
    Assignee: SMA Solar Technology AG
    Inventor: Andreas Falk
  • Contactless power transfer system and method for controlling the same
    Patent number: 11303156
    Abstract: A contactless power transfer system is provided. The contactless power transfer system includes a first power exchanger coil configured to exchange power. The contactless power transfer system also includes a first power converter operatively coupled to the first power exchanger coil and configured to convert a direct current power to an alternating current power at a system frequency. The contactless power transfer system further includes a controller configured to control an operating state of the first power converter to vary an alternating current power provided to the first power exchanger coil at the system frequency.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: April 12, 2022
    Assignee: General Electric Company
    Inventors: Pradeep Vijayan, Rajendra Naik, Arun Kumar Raghunathan, Vishnu Mahadeva Iyer
  • Power supply system installed in a vehicle
    Patent number: 11292404
    Abstract: A power supply system is installed in a vehicle having one or more sources of electrical energy. The power supply system includes at least two distributing boxes each having at least one internal distribution bus, at least two output switches and a driver processor. The internal distribution bus can be connected to the source or sources of electrical energy. The output switches for each supplies a different electrical consumer of the vehicle from the internal distribution bus. The driver processor controls the output switches so as to distribute a consumption load between the electrical consumers in association with different operating modes of the vehicle.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: April 5, 2022
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Patrick Savel, Jean Yves Stineau
  • Battery power control system for hybrid/electric vehicles
    Patent number: 11292346
    Abstract: A vehicle includes an electric machine, a traction battery, a low-voltage power system, a DC to DC converter, and a controller. The electric machine is configured to accelerate the vehicle and to slow the vehicle. The traction battery is configured to deliver electrical power to the electric machine and to receive electrical power from the electric machine via a high-voltage bus. The low-voltage power system has vehicle accessories, an accessory battery, and a low-voltage bus. The DC to DC converter is configured to transfer electrical power between the high-voltage bus and the low-voltage bus. The accessory battery is configured to deliver electrical power to the vehicle accessories and to receive or deliver power from or to DC to DC converter via the low-voltage bus. The controller is configured to controller the transfer of electrical power between the high-voltage bus and the low-voltage bus.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: April 5, 2022
    Assignee: Ford Global Technologies, LLC
    Inventors: Xiaohong Nina Duan, Yanan Zhao, Ming Lang Kuang
  • On-board charger (OBC) having grid frequency rejecter
    Patent number: 11271473
    Abstract: An on-board charger (OBC) for using AC power to charge a traction battery of an electric vehicle includes a DC/DC converter and a controller. The converter receives input power including a voltage having a DC voltage component and a voltage ripple varying at a frequency of the AC power. The controller generates a control signal for controlling the converter to convert the input power into an output power having a current for charging the battery. The controller includes a filter which enhances a sensed value of the current at the frequency to generate a locally-enhanced sensed value of the current. The controller determines a difference between a target and the locally-enhanced sensed value of the current and generates the control signal based on the difference such that the converter in converting the input power into the output power in response to the control signal adapts the current to the target.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: March 8, 2022
    Assignee: Lear Corporation
    Inventors: Antonio Martinez Perez, Adria Marcos Pastor, Antonio Leon Masich, Roberto Giral Castillon, Javier Calvente Calvo, Enric Vidal Idiarte, Hugo Valderrama Blavi
  • Service panel with microprocessor
    Patent number: 11269301
    Abstract: A service panel for controlling at least one utility actuator to control the availability of a utility comprises a covered enclosure having an exterior region and an interior region, at least one readily accessible utility control providing ON and OFF request signals and a limited access control in the exterior region providing a temporary activate signal. The service panel has a controller and data storage programmed with code and data and control circuitry providing an “ON” control signal to the at least one utility actuator to switch the at least one utility actuator to the “ON” state, and the control circuitry providing an “OFF” control signal to the at least one utility actuator to switch the at least one utility actuator to an OFF state, the control circuitry further providing a re-key signal to the at least one actuator in response to activation of a switch.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: March 8, 2022
    Assignee: WCM INDUSTRIES, INC.
    Inventor: Phil A. Parker
  • Power supply device
    Patent number: 11271486
    Abstract: A power supply device and a booster circuit for a power supply device. The booster circuit includes an access terminal configured to access a direct current voltage from a battery pack, a transformer group electrically connected to the access terminal so that the accessed direct current voltage is boosted to a predetermined voltage by the transformer group, and a rectifier bridge electrically connected to the transformer group to convert the predetermined voltage into a high-voltage direct current after pulse rectification. The transformer group includes a first transformer including a first primary side and a first secondary side and a second transformer including a second primary side and a second secondary side. The power supply device disclosed is compact in structure and convenient to carry and can output an alternating current.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: March 8, 2022
    Assignee: Nanjing Chervon Industry Co., Ltd.
    Inventors: Hong Zhu, Zhijian Lu, Qing Gao
  • Movable power generating system and method for vehicle
    Patent number: 11260770
    Abstract: A movable power generating system for a vehicle may include an inverter for receiving power from a battery in a vehicle to generate AC power, a motor for receiving the AC power from the inverter, a switch block connected to the output terminal of the inverter and for branching the AC power, and an external power supply unit connected to the switch block and for outputting the AC power.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: March 1, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Jin-Hyung Lee, Deok-Hwan Seo, Jong-Chan Jun, Kwon-Hyoung Choi
  • Electric vehicle home microgrid power system
    Patent number: 11241975
    Abstract: An efficient system and method for usage, storage, and sharing of electrical energy with buildings, vehicles, and power grid distribution equipment. More specifically, a microgrid power system and method of use that interconnects an electric vehicle with a home grid-based power system for optimized energy management of the combined power sources.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: February 8, 2022
    Inventor: Himanshu B. Patel
  • Power source system
    Patent number: 11235718
    Abstract: A vehicle including: a battery box inside of which a plurality of battery cells are provided, auxiliary equipment that can operate using electrical power, a travel system that can travel using electrical power, and a branch box that electrically connects the battery cells and the auxiliary equipment, and that electrically connects the battery cells and the travel system.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: February 1, 2022
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Masahiro Hagi, Akio Ishihara, Tomohiro Taniguchi
  • Charging apparatus capable of reducing low-frequency leakage current
    Patent number: 11228238
    Abstract: A charging apparatus may include a power factor correction converter including a switching element, to correct a power factor of AC power provided by external charging equipment through ON/OFF control of the switching element, to convert the corrected power factor into DC power, and to output the DC power; a DC link capacitor connected to both ends of the PFC converter to form a DC voltage; a DC-DC converter converting a magnitude of the DC voltage formed by the DC link capacitor into a magnitude of a voltage required by an energy storage device to be charged; and a duty controller configured to determine a duty of the switching element in the PFC converter based on a magnitude of a common-mode component of an AC voltage of the AC power provided by the external charging equipment and the magnitude of the DC voltage formed by the DC link capacitor.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: January 18, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Gyun Woo, Gyu Tae Choi, Hui Sung Jang, Hyun Wook Seong
  • Electric work machine
    Patent number: 11225149
    Abstract: An excavator comprising: a power supply that converts AC power supply voltage from a commercial power supply into DC power supply voltage; a battery that charges or discharges power from the power supply; an inverter that converts DC power supply voltage to AC power supply voltage; an electric motor that has power supplied thereto, and is controlled, by the inverter; a first electrical circuit that supplies power to the inverter from the power supply; a second electrical circuit that joins from the battery to the first electrical circuit; an inverter relay arranged between the inverter and a junction point between the first electrical circuit and the second electrical circuit; a battery relay arranged between the junction point and the battery; and a power supply relay arranged between the junction point and the power supply.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: January 18, 2022
    Assignee: YANMAR POWER TECHNOLOGY CO., LTD.
    Inventors: Kensuke Kaneda, Jun Terashima
  • Compressor retrofit assembly
    Patent number: 11221168
    Abstract: A compressor retrofit assembly for replacing a D/C compressor with an A/C compressor includes a control unit that is installable in a refrigerator when the compressor in the refrigerator has failed. The control unit is electrically coupled with an existing power supply in the refrigerator, a compressor relay of a replacement compressor for the refrigerator, an existing power input of a fan in the refrigerator and a coil of the compressor relay of the replacement compressor. The control unit supplies electrical power to the coil of the compressor relay thereby facilitating the compressor relay to be closed. In this way the control unit supplies operational voltage to the replacement compressor.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: January 11, 2022
    Inventor: Samuel Eiland
  • Method of aligning electronic circuits and electronic alignment system
    Patent number: 11218034
    Abstract: The present disclosure relates to a method of aligning a set of objects, the method comprising the steps of: providing each object with at least one resonant circuit, the resonant circuits having at least one resonance frequency, and aligning the objects until a field coupling between the resonant circuits reaches a predetermined value. The disclosure further relates to an electronic alignment system.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: January 4, 2022
    Assignees: TOYOTA MOTOR EUROPE, TEADE AB
    Inventors: Gabriel Othmezouri, Harald Merkel