Patents Examined by Jagdeep S Dhillon
  • Patent number: 11228182
    Abstract: Renewable electrical energy is provided with aspects and circuitry that can harvest maximum power from an alternative electrical energy source (1) such as a string of solar panels (11) for a power grid (10). Aspects include: i) controlling electrical power creation from photovoltaic DC-AC inverter (5), ii) operating photovoltaic DC-AC inverter (5) at maximal efficiency even when MPP would not be, iii) protecting DC-AC inverter (5) so input can vary over a range of insolation and temperature, and iv) providing dynamically reactive capability to react and assure operation, to permit differing components, to achieve code compliant dynamically reactive photovoltaic power control circuitry (41). With previously explained converters, inverter control circuitry (38) or photovoltaic power converter functionality control circuitry (8) configured as inverter sweet spot converter control circuitry (46) can achieve extraordinary efficiencies with substantially power isomorphic photovoltaic capability at 99.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: January 18, 2022
    Assignee: Ampt, LLC
    Inventors: Robert Porter, Anatoli Ledenev
  • Patent number: 11223294
    Abstract: The present disclosure provides to a power converter including an AC input terminal (ACin), a neutral terminal (N), an AC output terminal (ACout), an AC/DC converter circuit (210) connected between the AC input terminal, a positive DC terminal (DCP), and a negative DC terminal (DCN), a DC capacitor (C15) connected between the positive DC terminal (DCP) and the negative DC terminal (DCN), a line frequency commutated neutral circuit (220) connected between the positive DC terminal (DCP), the negative DC terminal (DCN), and the neutral terminal (N), and a DC/AC converter circuit (230) connected between the positive DC terminal (DCP), the negative DC terminal (DCN), the AC output terminal (ACout), and the neutral terminal (N). The power converter further includes an auxiliary converter circuit (240) connected between the positive DC terminal (DCP), the negative DC terminal (DCN), and the neutral terminal (N).
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: January 11, 2022
    Assignee: ELTEK AS
    Inventors: Nils Backman, Roberto Rojas
  • Patent number: 11201472
    Abstract: A code modulator transmits power to at least one code demodulator via a transmission path. The code modulator is provided with: a code modulation circuit to which output power of a power supply is supplied, the code modulation circuit modulating the output power of the power supply to generate a code-modulated wave by code modulation using a modulation code based on a code sequence, and transmitting the code-modulated wave to the code demodulator via the transmission path; and a control circuit that controls the code modulation circuit. The control circuit sets a frequency of the modulation code to a multiple of an output power frequency of the power supply.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: December 14, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Masahiro Yamaoka, Atsushi Yamamoto, Motohiko Fujimura, Taiki Nishimoto
  • Patent number: 11183843
    Abstract: A method and apparatus for managing one or more loads powered by an alternating current power source in order to prevent and mitigate overloads and other abnormal conditions of the power source. The management includes monitoring the amount of power supplied to one or more or all loads by the power source and selectively connecting, disconnecting, limiting and controlling various loads which are powered thereby. The method and apparatus include conveying information by use of AC frequency to controllable loads and load control devices, the frequency relating to the amount of power being supplied by the power source, overloading and other power source conditions. The amount of power consumed by the loads is controllable by the loads and load control devices in response to the frequency of the AC power.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: November 23, 2021
    Inventor: J. Carl Cooper
  • Patent number: 11177770
    Abstract: A controllable system for shutting down the connection between photovoltaic panels is provided. A connector with the function described in the present invention is arranged on a current transmission line between two photovoltaic panels adjacent to each other. A signal processing system, a power supply system, a control circuit, and an electronic switch element are arranged in the connector. The signal generator inputs a signal into the current transmission line, and the signal processing system separates the signal. A part of the signal continues to be transmitted along the current transmission line to other connectors on the current transmission line, and the other part of the signal is divided into a control signal and a power supply signal. The control signal passes through the control circuit and controls the electronic switch element to be turned on or off.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: November 16, 2021
    Assignee: CHANGSHU FRIENDS CONNECTOR TECHNOLOGY CO., LTD.
    Inventors: Jianming Xu, Zhongming Xia
  • Patent number: 11173803
    Abstract: A vehicle system includes a converter, outlets, and a switching arrangement electrically between the outlets and the converter. A controller is programmed to, responsive to a first request, operate the switching arrangement to electrically connect a line and a neutral to a first outlet and operate the converter to output single-phase power to the first outlet. Responsive to a second request, the controller is configured to operate the switching arrangement to electrically connect a plurality of lines and not the neutral to a second outlet, and operate the converter to output three-phase power to the second outlet.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: November 16, 2021
    Assignee: Ford Global Technologies, LLC
    Inventors: Krishna Prasad Bhat, Jacek Brauner, Xi Lu, Theodore Joseph Filippi, Ke Zou, Allan Roy Gale, Michael W. Degner
  • Patent number: 11171510
    Abstract: Provided is a power wiring device that can suppress reduction of electricity generation efficiency due to the external environment. The power wiring device includes: a plurality of circuit modules each including a first connector and a second connector; and a wiring member including a third connector that is mechanically and electrically attachable to and detachable from the first connector and a fourth connector that is mechanically and electrically attachable to and detachable from the second connector, and in which the third connector and the fourth connector are electrically connected to one another. The plurality of circuit modules includes: an energy harvesting module as a circuit module that can output, from the first connector and the second connector, electric power obtained through energy harvesting; and a load module as a circuit module that can consume electric power input from the first connector and electric power input from the second connector.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: November 9, 2021
    Assignee: ZEON CORPORATION
    Inventors: Masayoshi Yoshida, Kiyoshige Kojima
  • Patent number: 11165252
    Abstract: In one embodiment, a method for operating a PoE and PoDL hub is provided. The method comprises: ascertaining if an Ethernet connection has been formed with an operating device with the PoE and PoDL hub; if no Ethernet connection has been formed, then sensing whether the operating device is an Ethernet powered device; if the operating device is an Ethernet powered device, then providing power to the operating device; if the operating device is determined not to be an Ethernet powered device, then sensing whether the operating device is a PoDL device; and if the operating device is a PoDL device, then providing power to the operating device.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: November 2, 2021
    Assignee: CommScope Technologies LLC
    Inventors: Eric Ryan Chappell, Morne Erasmus, David Thomas
  • Patent number: 11152863
    Abstract: Embodiments herein provide a system and method for controlling extraction of power from multiple Photo Voltaic (PV) arrays. At least two converters and at least two Photo Voltaic (PV) arrays are configured. The power extraction is controlled through one of an injection of Direct Current (Idc) into output current of each of the at least two converters, or by performing a phase shifting of each of the output current of each of the at least two converters.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: October 19, 2021
    Assignee: INDIAN INSTITUTE OF TECHNOLOGY BOMBAY
    Inventors: Abhijit Kadam, Anshuman Shukla
  • Patent number: 11142149
    Abstract: A track assembly includes a rail cartridge slidably coupled with a track. A first electrical connector is positioned within the rail cartridge. A connection cartridge defines a channel and includes a second electrical connector configured to selectively engage with the first electrical connector. An actuation member is positioned within the channel of the connection cartridge and is coupled with the second electrical connector. A spring is operably coupled to the actuation member and is configured to bias the actuation member in a first position. An actuator is operably coupled with the actuation member. The actuator is moved upward against the bias of the spring to move the actuation member to a second position when the actuator contacts the rail cartridge of the track.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: October 12, 2021
    Assignee: Ford Global Technologies, LLC
    Inventors: Johnathan Andrew Line, Joseph Michael Kish, David James Tippy, Jimmy Moua, Gregory Hagedorn, Adam Ewel, Joshua Gauthier, Macit Aktas
  • Patent number: 11146210
    Abstract: A method of repowering a photovoltaic power plant from a first configuration is described, wherein in the first configuration, a pair of combiners is connected in series between two homeruns via a PV tie device. The combiners are configured to combine DC power produced by solar generators respectively connected thereto and provide the combined DC power at outputs thereof, and the PV tie device is configured to couple a midpoint potential of the series connected combiners to ground during operation of the power plant. The homeruns transmit the combined DC power to an old inverter for conversion into AC power for feeding into an AC grid connected to the old inverter.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: October 12, 2021
    Assignee: SMA Solar Technology AG
    Inventor: Thorsten Hoefer
  • Patent number: 11135894
    Abstract: A climate control system for use in a transport vehicle is disclosed. The climate control system includes a variable speed electric load, a controller configured to determine a load of the variable speed electric load, and a battery pack voltage configurator circuit. The battery pack voltage configurator circuit includes a first battery bank providing a first voltage and a first current, a second battery bank providing a second voltage and a second current, and a plurality of switches. The controller is configured to control the plurality of switches based on the determined load of the variable speed electric load. The battery pack voltage configurator circuit is configured to provide an output voltage and an output current to drive the variable speed electric load. The output voltage and the output current vary in magnitude based on the control of the plurality of switches.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: October 5, 2021
    Assignee: Thermo King Corporation
    Inventors: Marcelo Andrade Dias, Ryan Wayne Schumacher
  • Patent number: 11133576
    Abstract: A rectenna for high efficiency RF-to-DC wireless energy harvesting that includes an off-center-fed patch (OCFP) antenna and a rectifying circuit. The input impedance of the antenna may be tunable and directly conjugate matched to an impedance of the rectifying circuit over a wide range of frequencies and/or under different operating conditions. An impedance matching network required by rectenna systems may therefore be eliminated using the methods disclosed for the design and implementation of the OCFP rectenna. The OCFP rectenna offers consistently high RF-to-DC power conversion efficiency over a wide range of frequencies and under different operating conditions.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: September 28, 2021
    Assignee: Aeternum, LLC
    Inventors: Paul Carter, Yi Huang, Chaoyun Song
  • Patent number: 11121583
    Abstract: A surgical room power system including at least one source of power wired to a power source for a surgical room, the at least one source of power being wired to the surgical room; at least one power receiver; and a surgical power consumer wired to the at least one power receiver, the surgical power consumer being configured to assist a surgeon during a surgical procedure on a patient. The at least one source of power wirelessly transfers power to the at least one power receiver for powering the surgical power consumer.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: September 14, 2021
    Assignee: Stryker Corporation
    Inventors: Gianni Boccoleri, Robert Lee York, Wojciech Kazimierz Timoszyk, Sean Victor Hastings, James K Alexanderson
  • Patent number: 11114841
    Abstract: A PV module, which includes PV+ and PV? output ports. An output capacitor Cout is connected to PV+ or PV? port through an electric switch. One end of a power inductor L1 is connected to OUT?, and the other end is grounded. The power inductor L1 is connected with a resonant capacitor C1 and an impedance resistor R2 in parallel. One end of a blocking capacitor C2 is used as the PLC+ port, one end of a blocking capacitor C3 is used as the PLC? port, and signal sources are connected to OUT+ and OUT? in parallel and send “Keep Alive” signals based on SunSpec communication protocol. PLC+ port and PLC? port are connected to a signal coupling input port of a control IC, and the control IC controls the electric switch. When the signal is decoded and extracted, the electric switch will remain on, otherwise it will be off.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: September 7, 2021
    Inventors: Weihui Wang, Xiangchun Deng
  • Patent number: 11114889
    Abstract: An electronic circuit for redundant supply of an electric load comprises a plurality of terminals including at least a first terminal, a second terminal and at least one third terminal, wherein the first terminal is configured to be connected to a first energy source for primary supply of the electric load; the second terminal is configured to be connected to a second energy source for secondary supply of the electric load; the at least one third terminal is configured to be connected to the electric load; the electronic circuit further comprises a plurality of electrical components interposed between the first terminal, the second terminal and the at least one third terminal, the electrical components being configured to enable power flow from either the first terminal or the second terminal to the at least one third terminal in dependence of an erroneous supply state for the electric load.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: September 7, 2021
    Assignee: Aptiv Technologies Limited
    Inventor: Markus Heinrich
  • Patent number: 11104240
    Abstract: An electrified vehicle includes a system main relay attached to an electric power line for motive power and a charging relay attached to a charging electric power line through which a portion of the electric power line for motive power positioned between the system main relay and a drive circuit and a vehicle-side connection portion connected to a station-side connection portion of a direct current charging station are connected to each other. When the vehicle-side connection portion and the station-side connection portion are disconnected from each other while an electric storage device is being charged with electric power from the direct current charging station, diagnosis about double-pole welding abnormality of the charging relay is performed after the charging relay is turned off with the system main relay being in a turned-on state and the system main relay is turned off after the diagnosis.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: August 31, 2021
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Akito Motohira, Tomoya Ono, Yuya Aoki, Koichi Kojima, Takeshi Aridome
  • Patent number: 11097618
    Abstract: A control architecture for electric vehicle wireless power transmission systems that may be segmented so that certain essential and/or standardized control circuits, programs, algorithms, and the like, are permanent to the system and so that other non-essential and/or augmentable control circuits, programs, algorithms, and the like, may be reconfigurable and/or customizable by a user of the system. The control architecture may be distributed to various components of the wireless power system so that a combination of local or low-level controls operating at relatively high-speed can protect critical functionality of the system while higher-level and relatively lower speed control loops can be used to control other local and system-wide functionality.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: August 24, 2021
    Assignee: WiTricity Corporation
    Inventors: Simon Verghese, Morris P. Kesler, Katherine L. Hall, Herbert Toby Lou, Ron Fiorello
  • Patent number: 11075527
    Abstract: A portable charger system provides two charger ports with different charging characteristics. Two devices having different charging characteristics may be coupled to the two charger ports to be charged simultaneously.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: July 27, 2021
    Assignee: Google LLC
    Inventors: Philip Michael Isaacs, Kai Xu, David Vandervies
  • Patent number: 11063470
    Abstract: A system and method of managing a power infrastructure having a plurality of duty power modules (DPMs) configured to power a plurality of load centers. Various different operational modes may be deployed. Inherent redundancy mode is implemented by: monitoring operations of the power infrastructure; powering each load center during normal operations using DPMs through a load center switch via an enabled preferred setting (PS) input; providing an inherent redundancy (IR) bus coupled to each load center switch via an alternate setting (AS) input that is disabled during normal operations, wherein the IR bus is configured to receive excess capacity power exclusively from the DPMs; and in response to a detected DPM failure, disabling the PS input and enabling the AS input in the load center switch for an affected load center to capture power from the IR bus.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: July 13, 2021
    Inventor: Edward Michael John Ansett