Patents Examined by Aqeel H Bukhari
  • Patent number: 11198377
    Abstract: The present invention relates to a power management system of a pure electric vehicle powered exclusively by batteries which allows the vehicle to carry a load of up to 13 tons, where the system of the present invention is provided with five blocks: a battery system (SBAT) (3), a control and power logic unit (ULCP) (4), a traction system (STR) (5), an auxiliary system (SAX) (36), and a driver's control panel (PCM) 81, where such blocks are interconnected by two buses, CAN bus (128) and Digital/Analogical BDA (129). The battery system has two battery banks (1) and (2) in parallel which are monitored by the BMS (76). The BMS (76) checks whether the voltages at the output of the batteries are the same as the input of the inverter (8) and manages the use of the battery banks in conjunction with the eVSI (73) by operating the battery bank (1) or the battery bank (2) or both depending on the load conditions of each bank.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: December 14, 2021
    Assignee: ELETRA INDUSTRIAL LTDA
    Inventor: Paulino Hiratsuka
  • Patent number: 11192119
    Abstract: A high-voltage power supply system (1) for powering an electrostatic precipitator, ESP (10) is disclosed. The system has an AC supply circuit (2) configured to generate a first and a second AC supply voltage, and two supply circuits (5, 6) connected between the AC supply circuit and the ESP. One of the supply circuits is a DC supply circuit (5) configured to transform and convert the first AC supply voltage to a DC base voltage for the ESP, while the other is a pulse supply circuit having a pulse forming circuit (12) configured to generate and forward high-voltage pulses to the ESP. The AC supply circuit is configured such that each of the AC supply voltages are in the mid frequency range, i.e. in the range of 100 Hz to 5000 Hz. Hereby, a cost effective, low weight and compact high-voltage power supply system is presented.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: December 7, 2021
    Assignee: KRAFTPOWERCON SWEDEN AB
    Inventor: Bernt Wallgren
  • Patent number: 11196285
    Abstract: Operating a redundant power supply regulator using a transition control signal including supplying an operating voltage through an ORing in the redundant power supply regulator, wherein the ORing is connected to a comparator configured to turn off the ORing in response to detecting a fault; receiving the transition control signal indicating that the redundant power supply regulator is transitioning to a reduced voltage, wherein the reduced voltage is less than the operating voltage; receiving the reduced voltage by the ORing; and supplying the reduced voltage through the ORing by using the transition control signal to prevent the comparator from turning off the ORing.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: December 7, 2021
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Michael L. Miller, Patrick K. Egan
  • Patent number: 11173788
    Abstract: The invention relates to a method for operating a motor vehicle (2) which has an electric high-voltage network (3) and an electric low-voltage network (4), wherein the high-voltage network (3) has at least one traction battery (5) and at least one electric drive machine (6), the low-voltage network (4) has a vehicle electrical system battery (9), and the high-voltage network (3) is monitored for an electrical short-circuit and, upon detection of a short-circuit, the traction battery (5) is disconnected from the high-voltage network (3). According to the invention, in order to check the plausibility of the detected short-circuit before the traction battery (5) is reconnected to the high-voltage network (3), a boost current (IHV) is applied to the high-voltage network (3) through the low-voltage network (4) by means of a DC/DC converter (11), and a boost voltage (UHV) measured in the high-voltage network (3) is compared with an expected boost voltage (UHV,soll).
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: November 16, 2021
    Assignee: Robert Bosch GmbH
    Inventor: Jiahang Jin
  • Patent number: 11165378
    Abstract: A method for controlling a system for generating electric power for a power distribution network of an aircraft, the system for generating electric power comprising a generator, a rectifier, an inverter which produces a voltage according to several fixed-frequency phases, a DC voltage bus which connects the rectifier to the inverter, the control method comprising: —a correction step to determine at least one correction quantity GC, —a step of determining a signal SO for controlling the inverter from the determined correction quantity GC, —a step of determining a signal SG for controlling the generator from the determined correction quantity GC and —a step of transmitting the control signals SO, SG to the inverter and to the generator, respectively.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: November 2, 2021
    Assignee: SAFRAN ELECTRICAL & POWER
    Inventor: Benoit Michaud
  • Patent number: 11159061
    Abstract: The invention relates to a method that comprises receiving wireless energy from a wireless energy transmitter device; determining a power level value of the received wireless energy; manipulating value of the determined power level to obtain a manipulated power level value; and sending the manipulated power level value to the wireless energy transmitter device so that a FOD does not prevent the power transfer from the wireless energy transmitter device. The invention further relates to an apparatus, a device and a computer program product for performing the method.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: October 26, 2021
    Assignee: Nokia Technologies Oy
    Inventors: Jari Muurinen, Petri Vuori, Juhani Kari, Miika Tupala
  • Patent number: 11150702
    Abstract: An electronic apparatus includes a coupler to which an external apparatus is detachably attached, an interface, a wireless power transmitter; a communicator; and a processor configured to control the wireless power transmitter to transmit power received from an external apparatus that is connected through the interface to a display panel of the external electronic apparatus that is attached through the coupler, and control the communicator to transmit a video signal received from an external apparatus which is connected through the interface to the display panel.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: October 19, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Jeongil Kang
  • Patent number: 11142090
    Abstract: The invention relates to a device (1) for operating a motor vehicle, comprising an electrical drive system with an electrical high-voltage traction network (2) and an operating network (3) that has a high-voltage unit (7) comprising a power electronics system (5), and a low-voltage unit (6) comprising a control electronics system (4), and a first transformer (8) designed to convert an input voltage (U1) from the low-voltage unit (6) into a first, particularly higher output voltage (U2) for the power electronics system (5). According to the invention, the dev ice comprises at least one second transformer (11) designed to convert the first output voltage (U2) of the first transformer (8) into a second output voltage (U3) for the control electronics system (4), the second output voltage (U3) being higher than the input voltage (U1).
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: October 12, 2021
    Assignee: Robert Bosch GmbH
    Inventors: Christian Bernhardt, Thomas Meyer
  • Patent number: 11139717
    Abstract: A power generation system includes: at least one power generating device generating electric power by rotation of an input shaft; and a power storage circuit including at least one capacitor and storing energy of the electric power generated by the power generating device. The power storage circuit has a capacitance equal to or near an energy-maximizing capacitance, the energy-maximizing capacitance indicating a capacitance maximizing an upper limit energy in characteristics of energy to capacitance, the characteristics being calculated as the upper limit energy to be stored in the power storage circuit, with respect to the capacitance of the power storage circuit. The characteristics of energy to capacitance are calculated based on: the capacitance of the power storage circuit, an electromotive force of the power generating device, an internal resistance of the power generating device, and a duration of one power generating action of the power generating device.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: October 5, 2021
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventor: Hideaki Abe
  • Patent number: 11139675
    Abstract: The present invention relates to a hybrid energy storage system. The hybrid energy storage system according to an embodiment of the present invention manages the power of a system and a direct current (DC) distribution network connected to the system, and comprises: a first DC-DC converter connected to the DC distribution network; a super capacitor connected to the first DC-DC converter and having the charge and discharge thereof controlled by the first DC-DC converter; a second DC-DC converter connected to the DC distribution network; and a battery connected to the second DC-DC converter and having the charge and discharge thereof controlled by the second DC-DC converter, wherein the first DC-DC converter comprises a DC distribution network stabilization controller, which filters the noise of a system voltage applied to the DC distribution network, and then generates a damping current so as to stabilize the DC distribution network.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: October 5, 2021
    Assignee: LSIS CO., LTD.
    Inventors: Ji-Heon Lee, Ji-Hong Kim
  • Patent number: 11124086
    Abstract: Systems and methods for dynamic control of a configuration of electrical circuits are provided. An example system includes a plurality of electric power sources and a plurality of switches configured to connect and disconnect some of the electric power sources. The system may include a controller coupled to the switches. The controller may be configured to enable and disable the switches to cause a change in a configuration of the connections between the electric power sources. The electric power sources can include at least one generator and at least two batteries. The controller can be further configured to cause a change in the configuration to connect the two batteries in series to a load for discharging and connect the two batteries in parallel to the generator for recharging.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: September 21, 2021
    Assignee: Premergy, Inc.
    Inventors: Richard Edward Botts, Lanier M. Davenport, Andrew L. Thomas
  • Patent number: 11128138
    Abstract: A DC traction sub-station for supplying at least one vehicle, preferentially a railway vehicle, with a direct current, including a first terminal connecting the DC traction sub-station to an alternating current electrical power grid, a second terminal connecting the DC traction sub-station to a power supply conductor in order to provide driving current to the at least one vehicle or to receive regenerative braking current from the at least one vehicle, a third terminal connected to an energy storage device, one or more first current supply chains electrically connecting the first terminal to the second terminal, wherein the first current supply chain includes a first AC/DC converter, and one or more second current supply chains electrically connecting the first terminal to the third terminal, wherein the second current supply chain includes a second AC/DC converter, and wherein a DC/DC converter electrically connects the second terminal to the third terminal.
    Type: Grant
    Filed: January 18, 2020
    Date of Patent: September 21, 2021
    Assignee: ALSTOM TRANSPORT TECHNOLOGIES
    Inventors: Carsten Soeffker, Raphael Hofstaedter
  • Patent number: 11115082
    Abstract: According to one embodiment of the present invention, an electronic apparatus can comprises: at least one antenna; a first circuit for wirelessly receiving or transmitting power by using at least one part of the at least one antenna; a second circuit for performing at least one communication by using at least one part of the at least one antenna; a first electrical path for connecting the at least one antenna to the first circuit; a second electrical path for connecting the at least one antenna to the second circuit; a third electrical path for connecting a point on the first electrical path to a point on the second electrical path; and at least one passive element or active element connected to at least one of the first electrical path, the second electrical path, and the third electrical path.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: September 7, 2021
    Inventors: Ju-Hyang Lee, Keumsu Song, Dongzo Kim, Yusu Kim, Seho Park, Jung-Oh Sung, Mincheol Ha, Changjong Son, Seung-Nyun Kim, Yong Sang Yun
  • Patent number: 11097620
    Abstract: A circuit system for a railroad vehicle according to an embodiment includes a power conversion unit, a first converter, a second converter, a power storage unit, and a control unit. The power conversion unit converts power supplied from an overhead wire into power for driving a motor for running mounted on a railroad vehicle. The first converter converts power supplied from the overhead wire into DC power. The second converter converts power output from the first converter into power for driving a load mounted on the railroad vehicle. The power storage unit is electrically connected to an input side of the second converter. The control unit inputs regenerative power output from the power conversion unit to the first converter and inputs power output from the first converter to the power storage unit in a case where it is determined that the railroad vehicle is being regenerated.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: August 24, 2021
    Assignees: Kabushiki Kaisha Toshiba, TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Kohei Yamamoto, Sakio Nishimiya, Sonoko Miyajiri, Sho Sato, Hideyuki Shimizu, Kazuaki Yuuki, Tomoyuki Makino
  • Patent number: 11079752
    Abstract: An UAV controller device is provided. In some embodiments, the device may include a control panel having one or more user control inputs, and a processing unit may be in communication with the control inputs. A display screen may also be in communication with the processing unit. Optionally, the display screen may be movable between an open and a closed position. A side wall may be coupled to a proximal wall and to a distal wall, the side wall, proximal wall, and distal wall forming a storage compartment. The storage compartment may have a storage cavity for removably receiving a UAV, and the UAV may be in wireless communication with the processing unit. A camera, for recording video, may be coupled to the UAV. Video recorded by the camera may be displayed on the display screen, and one or more of the control inputs may govern movement of the UAV.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: August 3, 2021
    Inventor: Martin Lombardini
  • Patent number: 11070087
    Abstract: A wireless power receiving device has a receive coil that receives wireless power signals from a wireless power transmitting device and has a rectifier that produces direct-current power from the received wireless power signals. The receive coil of the wireless power receiving device is coupled to wireless transceiver circuitry. Similarly the transmit coil of the wireless power transmitting device is coupled to wireless transceiver circuitry. The wireless transceiver circuitry in the wireless power receiving device or transmitting may be configured to generate and/or modulate one or more data carrier waves using any desired modulation scheme. The one or more modulated data carrier waves are transmitted between the transmit coil and the receive coil of the corresponding wireless power transmitting and receiving devices. The one or more data carrier waves may have a frequency that is different than the power transmission frequency.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: July 20, 2021
    Assignee: Apple Inc.
    Inventors: Atul A. Salvekar, Jeffrey D. Louis
  • Patent number: 11065979
    Abstract: This disclosure describes at least embodiments of an aircraft monitoring system for an electric or hybrid airplane. The aircraft monitoring system can be constructed to enable the electric or hybrid aircraft to pass certification requirements relating to a safety risk analysis. The aircraft monitoring system can have different subsystems for monitoring and alerting of failures of a component, such as a battery pack, a motor controller, and/or a motors. The failures that pose a greater safety risk may be monitored and indicated by one or more subsystems without use of programmable components.
    Type: Grant
    Filed: February 16, 2021
    Date of Patent: July 20, 2021
    Assignee: H55 SA
    Inventors: Sébastien Demont, Bastian Dani
  • Patent number: 11059386
    Abstract: This disclosure describes at least embodiments of an aircraft monitoring system for an electric or hybrid airplane. The aircraft monitoring system can be constructed to enable the electric or hybrid aircraft to pass certification requirements relating to a safety risk analysis. The aircraft monitoring system can have different subsystems for monitoring and alerting of failures of components, such as a power source for powering an electric motor, of the electric or hybrid aircraft. The failures that pose a greater safety risk may be monitored and indicated by one or more subsystems without use of programmable components.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: July 13, 2021
    Assignee: H55 SA
    Inventors: Sébastien Demont, Bastian Dani, Frank Rimpl
  • Patent number: 11049648
    Abstract: According to an embodiment of the present invention, a resonator transmitting power in a resonant mode includes: a first coil having a wire group including three wires arranged in line and alternately extended in first direction and second direction orthogonal to the first direction; and a second coil including three sub-coils and ferrite plates, and the first coil may be stacked adjacent to the second coil, and the first coil may correspond to a resonance coil driven in the resonance mode and the second coil may correspond to an induction coil driven in an induction mode, respectively.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: June 29, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Taewook Kwon, Bongsik Kwak, Jeongkyo Seo, Beomseok Chae, Jaesoon Kwon, Sungkyu Kim
  • Patent number: 11044792
    Abstract: A system includes a switch-mode power supply for drawing low and constant current from a power source. The switch-mode power supply may charge an energy storage element with low and constant current. In a normal condition, a current driver may cause the illuminator to emit electromagnetic radiation as a plurality of flashes. In the normal condition, the system may include an average power that is less than or equal to a threshold value associated with the illuminator. In a fault condition, the illuminator may continuously emit electromagnetic radiation, at low current. In the fault condition, the switch-mode power supply may supply low and constant current to the illuminator. Similarly, in the fault condition, the system may include an average power that is less than or equal to a threshold value associated with the illuminator.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: June 22, 2021
    Assignee: Visteon Global Technologies, Inc.
    Inventors: Michael Spurr, Mike Lees