Patents Examined by Bryan R Perez
  • Patent number: 11929428
    Abstract: An apparatus includes a substrate; a group III-Nitride barrier layer; a source electrically coupled to the group III-Nitride barrier layer; a gate on the group III-Nitride barrier layer; a drain electrically coupled to the group III-Nitride barrier layer; a p-region being arranged at or below the group III-Nitride barrier layer; and a recovery enhancement circuit configured to reduce an impact of an overload received by the gate. Additionally, at least a portion of the p-region is arranged vertically below at least one of the following: the source, the gate, an area between the gate and the drain.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: March 12, 2024
    Assignee: Wolfspeed, Inc.
    Inventors: Thomas J. Smith, Jr., Saptharishi Sriram, Charles W. Richards, IV
  • Patent number: 11929673
    Abstract: An assembly includes a three-level voltage converter and a second voltage converter. The three-level voltage converter is electrically coupled to a battery to convert a battery supply voltage to an intermediate voltage. The second voltage converter is electrically coupled to the three-level voltage converter to convert the intermediate voltage to a processor-supply voltage to operate a processor. At least the second voltage converter and the processor are mounted on a processor-package substrate. The three-level voltage converter can be mounted on the processor-package substrate or on a circuit board on which the processor-package substrate is mounted.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: March 12, 2024
    Assignee: Ferric Inc.
    Inventors: Francesco Carobolante, James T. Doyle, Noah Andrew Sturcken
  • Patent number: 11923129
    Abstract: Methods and systems for controlling a circuit designed to protect electrical equipment, in particular sensitive power grid equipment such as transformers, are disclosed. In particular, methods of local and remote control of operation of protection circuits are provided that allow for remote access to change an operational mode of such protection circuits, while ensuring that power grid equipment is protected locally regardless of any configuration instructions received from a remote or centralized facility. Override levels may be set to ensure power grid transformer protection, regardless of operational mode or remote instruction.
    Type: Grant
    Filed: February 8, 2022
    Date of Patent: March 5, 2024
    Assignee: TechHold LLC
    Inventors: David Anderson, Greg Fuchs
  • Patent number: 11921170
    Abstract: A method for protecting a low-voltage distribution network. The low-voltage distribution network includes a low-voltage side of a three-phase distribution transformer that is configured to supply electrical power to at least one single-phase load through a respective distribution line of a plurality of three-phase distribution lines distribution lines. The method includes measuring variations of a periodic neutral-to-ground voltage between a neutral terminal of the three-phase distribution transformer and a local ground node by sampling the variations at a sampling frequency, detecting a fault in the low-voltage power distribution network based on the variations of the periodic neutral-to-ground voltage, and disconnecting the low-voltage side from the low-voltage power distribution network responsive to the fault being detected.
    Type: Grant
    Filed: April 15, 2022
    Date of Patent: March 5, 2024
    Assignees: ELECTRONIC SAZAN FAN ARIA COMPANY
    Inventors: Mahdi Davarpanah, Ahmadreza Darabi, Pooria Allah Karami, Hamed Morsali
  • Patent number: 11923117
    Abstract: A method for magnetizing a section of one or more permanent magnets arranged substantially in a V-shape, comprising: applying a first magnetic field such that magnetic flux lines are substantially perpendicular to a first leg of the V-shape, and removing the first magnetic field. Then the method comprises applying a second magnetic field such that magnetic flux lines are substantially perpendicular to a second leg of the V-shape, and removing the second magnetic field. Systems and methods for magnetizing sections of permanent magnet modules are also provided.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: March 5, 2024
    Assignee: General Electric Renovables Espana, S.L.
    Inventors: Mikhail Avanesov, Neus Galles Raventos, Cesar Muñiz Casais, Julio Cesar Urresty
  • Patent number: 11920673
    Abstract: An electric drive apparatus includes a rotating electric machine and a transmission. The rotating electric machine includes a rotor, a stator and a first housing. The transmission includes a motive power transmitting unit, a second housing provided integrally with the first housing, and lubricating oil provided in the second housing to lubricate the motive power transmitting unit. The stator includes a stator coil that has first and second coil end parts respectively protruding from first and second axial end faces of a stator core. Each of phase windings of the stator coil has turn portions included in the first coil end part and joints included in the second coil end part. The second coil end part is located on the same axial side of the stator core as the transmission whereas the first coil end part is located on the opposite axial side of the stator core to the transmission.
    Type: Grant
    Filed: September 22, 2022
    Date of Patent: March 5, 2024
    Assignee: DENSO CORPORATION
    Inventors: Hiroshi Endo, Ryo Tanie
  • Patent number: 11916480
    Abstract: In an embodiment, A switched-mode power supply includes: a first node; a second node configured to receive a DC input voltage; a third node configured to receive a reference voltage; first and second switching transistors; a first circuit configured to control the first switching transistor; and a second circuit configured to control the second switching transistor, wherein the switched-mode power supply is configured to deliver a regulated output voltage at the first node from the DC input voltage, and wherein the first and second circuits are configured to be powered from the output voltage.
    Type: Grant
    Filed: October 6, 2021
    Date of Patent: February 27, 2024
    Assignee: STMicroelectronics (Grenoble 2) SAS
    Inventor: Vincent Pinon
  • Patent number: 11908609
    Abstract: A conductive winding arrangement for generating a varying magnetic field in the neighborhood of the winding arrangement, comprising a plurality of coil pairs arranged one after another along a sequence axis with a virtual coil pair winding axis oriented transversely to the sequence axis, of which each coil pair exhibits a first coil and a second coil, each with a coil winding axis parallel or collinear respectively to the coil pair winding axis, where the first and the second coil are arranged axially adjacent to each other relative to the coil pair winding axis in such a way that turns of the first and of the second coil are axially adjacent to each other and that eye regions of the first coil and of the second coil are axially adjacent to each other while forming a common coil-pair eye region, where the coil pair winding axis penetrates through the coil-pair eye region; at least one coil pair being configured as a single conductor coil pair, in which the first and the second coil each exhibit a connecting s
    Type: Grant
    Filed: July 22, 2021
    Date of Patent: February 20, 2024
    Assignee: Intrasys GmbH Innovative Transportsysteme
    Inventors: Arnulf Grimm, Tobias Hollmer
  • Patent number: 11906996
    Abstract: In accordance with an embodiment, a circuit includes: a pass transistor drive circuit including an digital input, and at least one output configured to be coupled to at least one pass transistor; a digital feedback circuit having a first analog input configured to be coupled to the at least one pass transistor, and a digital output coupled to the digital input of the pass transistor drive circuit; and an analog feedback circuit including a second analog input configured to be coupled to the at least one pass transistor, and an analog output coupled to an over voltage node of the pass transistor drive circuit, where the analog feedback circuit has a DC gain greater than zero.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: February 20, 2024
    Assignee: Infineon Technologies AG
    Inventor: Stefano Bonomi
  • Patent number: 11901147
    Abstract: A solid-state circuit breaker configured to turn off electronics before a pair of opposing primary main contacts are opened. The solid-state circuit breaker includes a main mechanism including a pair of opposing primary main contacts. The solid-state circuit breaker further includes electronics including semiconductors and software algorithms that control the power and can interrupt currents. The solid-state circuit breaker further includes a switching system including a secondary switch that is configured to be actuated prior to opening of the primary main contacts. The secondary switch is configured to turn off the power to the electronics of the solid-state circuit breaker before the primary main contacts are opened to eliminate or reduce electrical arcing across the primary main contacts.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: February 13, 2024
    Assignee: Siemens Industry, Inc.
    Inventor: Solomon R. Titus
  • Patent number: 11894661
    Abstract: An electrical switching arrangement for an electrical power supply includes a live conductor. The live conductor includes electrodes for switching between first and second sides of the live conductor. The electrical switching arrangement also includes a ground conductor, an insulation block between the electrodes and the ground conductor, a first insulation member extending from the insulation block on the first side of the electrodes, and a second insulation member extending from the insulation block on the second side of the electrodes. The insulation block includes a first groove in which an edge of the first insulation member is located and a second groove in which an edge of the second insulation member is located.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: February 6, 2024
    Inventors: James Parkin, Thomas Clayson, Jamie Darling, Paul Holligan
  • Patent number: 11887801
    Abstract: A remotely controlled electronic circuit breaker including wireless communication circuit which receives control signals from a mobile app. A power-management module is configured to switch a circuit ON or OFF based on the control signal. A method for remotely controlling an electronic circuit comprises receiving, by an electronic circuit breaker, a control signal from a native mobile app, and activating a relay to switch a circuit ON or OFF based on the control signal. A system for remotely controlling an electronic circuit, comprises a smart communication device including a native mobile app for controlling the electronic circuit and an electronic circuit breaker wirelessly connected to receive at least one control signal from the smart communication device, and switch the electronic circuit breaker ON or OFF based on the control signal.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: January 30, 2024
    Assignee: SAUDI ELECTRICITY COMPANY
    Inventors: Hani Shutaywi N. Alruwaili, Mohammad Gady N. Arrowaili
  • Patent number: 11886234
    Abstract: An adaptive voltage converter adapted to compensate for the exponential sensitivities of sub-threshold and near-threshold circuits. The converter can change its power/performance characteristics between different energy modes. The converter may comprise two or more voltage converters/regulators. A multiplexing circuit selects between the outputs of the several converters/regulators depending on the state of a control signal generated by a control facility. The converter is specially adapted to change the output of each converter/regulator based on a number of variables, including, for example, process corner, temperature and input voltage.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: January 30, 2024
    Inventor: Scott Hanson
  • Patent number: 11881768
    Abstract: A direct current (DC) to DC (DC-DC) converter includes a comparator configured to set a pulse width of a signal pulse, the pulse width corresponding to a voltage level of an output voltage of the DC-DC converter; a digital delay line (DDL) operatively coupled to the comparator, the DDL configured increase the pulse width of the signal pulse by linearly introducing delays to the signal pulse; a multiplexer operatively coupled to the DDL, the multiplexer configured to selectively output a delayed version of the signal pulse; and a logic control circuit operatively coupled to the multiplexer and the DDL, the logic control circuit configured to adaptively adjust a precision of the DC-DC converter in accordance with a duty cycle of the DC-DC converter and a setpoint of the DC-DC converter.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: January 23, 2024
    Assignee: STMicroelectronics S.r.l.
    Inventors: Juri Giovannone, Valeria Bottarel, Stefano Corona
  • Patent number: 11881780
    Abstract: An electrical system includes: 1) a buck converter; 2) a battery coupled to an input of the buck converter; and 3) a load coupled to an output of the buck converter. The buck converter includes a high-side switch, a low-side switch, and regulation loop circuitry coupled to the high-side switch and the low-side switch. The regulation loop circuitry includes: 1) a main comparator; 2) a bias current source coupled to the main comparator and configured to provide a bias current to the main comparator; and 3) a dynamic biasing circuit coupled to the main comparator and configured to add a supplemental bias current to the bias current in 100% mode of the buck converter. The supplemental bias current varies depending on an input voltage (VIN) and an output voltage (VOUT) of the buck converter.
    Type: Grant
    Filed: February 24, 2023
    Date of Patent: January 23, 2024
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Manuel Wiersch, Gerhard Thiele, Antonio Priego, Johann Erich Bayer
  • Patent number: 11881779
    Abstract: In an embodiment a DC-DC switching power converter includes a switching circuitry including switches, the switching circuitry configured to receive a DC input voltage and generate a DC output voltage via switching the switches, a switching control circuitry configured to control switching of the switches with a switching signal having a corresponding switching frequency with a corresponding duty cycle, the DC output voltage generated by the switching circuitry depending on the duty cycle, wherein the switching control circuitry is configured to set the duty cycle based on a difference between the DC output voltage and a reference voltage in a closed loop configuration and a compensation network configured to provide stability to an operation of the DC-DC switching power converter, wherein the compensation network has a capacitance having a value depending on the switching frequency.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: January 23, 2024
    Assignee: STMicroelectronics S.r.l.
    Inventors: Alessandro Nicolosi, Valeria Bottarel
  • Patent number: 11869736
    Abstract: A circuit interrupter includes a frame, a set of separable contacts that can be generally stated as including a stationary contact and a movable contact, the stationary contact being affixed to the frame, a shaft movably situated on the frame, the movable contact being situated on the shaft, a drive system situated on the frame and operable to move the shaft with respect to the frame between a first position and a second position, the set of separable contact being a CLOSED state in the first position of the shaft and being in an OPEN state in the second position of the shaft, and a brake that can be generally stated as including a mass movably situated on the frame, the shaft being structured to engage the mass and to cause the mass to be in motion when moving from the first position toward the second position.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: January 9, 2024
    Assignee: EATON INTELLIGENT POWER LIMITED
    Inventors: Andrew L. Gottschalk, Robert Michael Slepian, Xin Zhou
  • Patent number: 11869709
    Abstract: The disclosure discloses a superconducting magnet system and a quench protection circuit thereof. The quench protection circuit includes: a superconducting unit, a first diode integrated element, a second diode integrated element, a third diode integrated element, a low-temperature superconducting switch, a thermal shield and a vacuum vessel. The superconducting unit is composed of M superconducting coils connected in series. The low-temperature superconducting switch is connected to the first superconducting coil and the M-th superconducting coil. The first diode integrated element is connected in parallel with the low-temperature superconducting switch; the thermal shield and the second diode integrated element are connected in series and then connected in parallel at both ends of any symmetrical coil subsets in the superconducting unit.
    Type: Grant
    Filed: April 25, 2021
    Date of Patent: January 9, 2024
    Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Yunxing Song, Liang Li
  • Patent number: 11862963
    Abstract: Described is a method including monitoring a point of regulation voltage input to a generator control unit and monitoring a generator output voltage as a backup point of regulation voltage input. The method also includes detecting an overvoltage fault at the point of regulation voltage input, the backup point of regulation voltage input, or both. Additionally, the method includes opening a first solid-state switch (110) in response to detecting the overvoltage fault. Opening the first solid-state switch (110) prevents provision of an input signal (104) to a generator excitation field (102). Further, the method includes opening a generator excitation field relay (112) in response to detecting the overvoltage fault. Opening the excitation field relay (112) also prevents provision of the input signal (104) to the generator excitation field (102).
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: January 2, 2024
    Assignee: Safran Power USA, LLC
    Inventors: Lev Sorkin, Priyanka D. Shivthare
  • Patent number: 11855535
    Abstract: A power converter is disclosed. The power converter includes a positive power supply, an output node, first, second, and third high side transistors serially connected between the positive power supply and the output node, and a high side bias voltage generator configured to generate a high side bias voltage. A gate of the second high side transistor is connected to the high side bias voltage generator. The power converter also includes a signal driver configured to selectively connect a gate of the first transistor to either the positive power supply or the high side bias voltage generator, a switch configured to selectively connect a gate of the third transistor to the high side bias voltage generator, and a capacitor connected to the gate of the third transistor and to a source of the second high side transistor.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: December 26, 2023
    Assignee: Empower Semiconductor, Inc.
    Inventors: Bai Nguyen, Haritha Chanda