Patents Examined by Charles Reid, Jr.
  • Patent number: 11898533
    Abstract: A wind-powered generator includes a housing having an inlet, an outlet, and a throat that are coaxial about an axis of symmetry of the housing. A nacelle includes a first rotor mounted on a first end of the nacelle and positioned at least partially within the inlet, the first rotor outputting a first power output, and a second rotor mounted on a second end of the nacelle, the second rotor being positioned at least partially within the outlet and having a diameter less than the first rotor. The second rotor outputting a second power output. The first and second power outputs are combined to provide a combined power output, and a nacelle ratio between outer diameters of the nacelle at the inlet and at the outlet is between about 1.60-1.70, and a housing ratio between inner diameters of the housing at the inlet and at the outlet is about 1.85-1.97.
    Type: Grant
    Filed: February 21, 2023
    Date of Patent: February 13, 2024
    Inventor: David Papini
  • Patent number: 11885295
    Abstract: A wind turbine rotor includes an axle, a plurality of primary blades disposed at regular intervals around the axle, and a plurality of secondary blades disposed around the axle between primary blades of the plurality of primary blades. Each secondary blade of the plurality of secondary blades is smaller than each primary blade of the plurality of primary blades.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: January 30, 2024
    Assignee: Velocity Wind Turbines, LLC
    Inventors: Jon Paden, Paul Severin
  • Patent number: 11885292
    Abstract: A tidal current energy generating device includes a generator, a connecting shaft, an impeller and an adjustment assembly. The impeller includes an impeller hub and an impeller blade arranged thereon. The impeller hub is connected with the connecting shaft, and the generator is connected with the impeller hub. The impeller blade is driven under the action of a tidal current to drive the impeller hub to rotate synchronously around an axis of the connecting shaft, driving the generator to generate electricity. The adjustment assembly is connected with the impeller blade, and can be driven to swing under the action of the tidal current to drive the impeller blade to rotate around the axis of the impeller blade relative to the impeller hub, thereby adjusting the angle of the impeller blade.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: January 30, 2024
    Assignee: HangZhou JiangHe Hydro-Electrical Science & Technology Co., Ltd.
    Inventors: Changlu Liu, Xueming Zhang, Zhengming Zhou, Liwei Chen, Wanqiang Zhu, Jinbo Hu, Jianmei Chen, Yinhua Chen, Yongjun Dong, Shanguo Peng, Zhumei Fang, Panhua Ning
  • Patent number: 11879421
    Abstract: An energy farm having an electrical grid through which power generated by the devices in the farm may be combined and transmitted. The electrical grid is formed through the electrical interconnection of devices in a farm through electrical connections that remain, in whole or at least in part, adjacent to the surface of the body of water on which the devices float. A plurality of flexible converters of the network have no direct or immediate electrical interface with a subsea power cable (i.e. a cable on or under the seafloor), but instead transmit electricity to other converters in a daisy-chained fashion.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: January 23, 2024
    Assignee: Lone Gull Holdings, Ltd.
    Inventors: Brian Lee Moffat, Garth Alexander Sheldon-Coulson
  • Patent number: 11850951
    Abstract: An electric propulsion system is provided which includes a prime mover; an electric generator which is arranged to be driven by the prime mover to generate electric power; an electric propulsion motor; and an integrated generator-motor controller arranged to control the supply of said electric power to the electric propulsion motor in response to a control signal. The integrated generator-motor controller is also arranged to feed-forward to the generator a power demand parameter associated with the control signal so as to control the power output of the generator.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: December 26, 2023
    Inventors: Tadashi Sawata, Michael C. Harke
  • Patent number: 11831226
    Abstract: In a first aspect of the invention there is provided a generator for a wind turbine defining a central generator axis. The generator includes a stator support frame and an environmental conditioning module removably attached to the stator support frame. The environmental conditioning module includes a heat exchanger and an air mover supported by a module housing. The environmental conditioning module further includes fluid interface connections associated with the heat exchanger, the fluid interface connections being releasably connectable to a fluid supply system associated with the heat exchanger, and electrical interface connections associated with the air blower, the electrical interface connections being releasably connectable to an electrical supply system associated with the air mover.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: November 28, 2023
    Assignee: Vestas Wind Systems A/S
    Inventors: Peter Mongeau, Mustafa Gündüz
  • Patent number: 11824424
    Abstract: The electrical power generation system including a micro-turbine alternator. The micro-turbine alternator including a combustor, at least one turbine configured to be driven by an exhaust from the combustor, at least one compressor operably connected to the combustor to provide a compressed airflow to the combustor, one or more shafts connecting the at least one turbine to the at least one compressor such that rotation of the at least one turbine drives rotation of the at least one compressor, and a recuperator configured to transfer heat from the exhaust exiting the at least one turbine to the compressed airflow from the at least one compressor entering the combustor.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: November 21, 2023
    Inventor: Richard A. Himmelmann
  • Patent number: 11808249
    Abstract: Provided is a method of controlling at least one wind turbine in case of a rotational overspeed situation, the method including: determining a current state related to the wind turbine; providing data related to the current state as input to a turbine model; predicting a load of at least one wind turbine component and power output of the wind turbine using the turbine model provided with the input for plural control strategies; comparing the predicted load and power output for the plural control strategies; and selecting that control strategy among the plural control strategies that satisfies a target criterion including the load and the power output.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: November 7, 2023
    Inventor: Thomas Esbensen
  • Patent number: 11802546
    Abstract: A plenum resident wind turbine sustainable energy generating system is disclosed. An example embodiment includes: a wind turbine assembly installed in a plenum of a heating, ventilating, and air conditioning (HVAC) unit, the wind turbine assembly including a plurality of blades and a transverse shaft; and a generator coupled to the shaft of the wind turbine assembly.
    Type: Grant
    Filed: February 11, 2023
    Date of Patent: October 31, 2023
    Inventors: Kirk Mills, Kimberley Mills
  • Patent number: 11795873
    Abstract: An electric generator includes a process gas inlet on a downstream side of the flow control valve to receive process gas into the electric machine; a rotor shaft including a node position, the node position defining a position of a node of a first bending mode of the rotor shaft; a turbine wheel coupled to the rotor shaft at the node position, the turbine wheel configured to receive process gas and rotate in response to expansion of the process gas flowing into an inlet of the turbine wheel and out of the outlet of the turbine wheel, the rotor shaft configured to rotate with the turbine wheel, and a stationary stator, the electric generator to generate an alternating current upon rotation of the rotor within the stator. The turbine wheel selected from a plurality of turbine wheels based on the operational conditions of the electric generator.
    Type: Grant
    Filed: September 7, 2022
    Date of Patent: October 24, 2023
    Assignee: Sapphire Technologies, Inc.
    Inventors: Jeremy Liu, Freddie Sarhan, Ovais Ahmed Bin Najeeb, James Ryan Yates
  • Patent number: 11777372
    Abstract: Provided is a renewable power generating system including a motor and one or more generators. Each of the motor and the generators comprises a front extended shaft and a rear extended shaft, a first flywheel is installed at the end of the rear extended shaft, and a second flywheel is installed at the end of the front extended shaft. Also, a third flywheel is detachably connected to the second flywheel, and a turbine installed on the third flywheel, and the turbine comprises multiple arms. The first flywheel, the second flywheel and the third flywheel rotates together when the motor rotates, and the system can produce an electric power when rotating.
    Type: Grant
    Filed: April 12, 2023
    Date of Patent: October 3, 2023
    Assignee: K-TECHNOLOGY USA, INC.
    Inventors: Ki Il Kim, Young Kim, Paul Kim, Sarah Duncanson
  • Patent number: 11773823
    Abstract: Techniques are disclosed where a plurality of bladed shafts are arranged in an adjacent relationship to one another within a frame. The blades of the shafts are capable of interacting with moving air and causing rotation of the shafts. Rotational energy of the shafts is converted to electrical energy by electrical equipment stored within a portion of the frame. The electrical energy is conditioned and output as usable electrical power.
    Type: Grant
    Filed: January 6, 2023
    Date of Patent: October 3, 2023
    Assignee: Airiva Renewables, Inc.
    Inventor: Joe D. Doucet
  • Patent number: 11773817
    Abstract: Apparatuses, systems, and methods are provided for generating power. A pipe having an input flow is coupleable to an input section configured to receive at least a portion of the input flow. A generation section is coupleable to the input section and includes a pipe section to carry the at least a portion of the input flow, a turbine coupleable to the pipe section and configured to capture energy from the at least a portion of input flow carried by the pipe section, and a generator coupleable to the turbine and configured to generate power from the energy captured by the turbine. An output section is coupleable to the pipe and configured to provide output of the generation section to the pipe.
    Type: Grant
    Filed: February 7, 2022
    Date of Patent: October 3, 2023
    Inventors: Barry G. Heald, Gerard Roberts, T. M. Hunt
  • Patent number: 11739727
    Abstract: A system and method for a for a wave energy converter device that is an axisymmetric point absorber which operates in a tension only condition over a large stroke that can operate in the given wave environment so as to eliminate the need for end stops in normal operation whereby the wave energy converter device has a floating hull with an interior Power Take Off (PTO) that uses an impedance control scheme for impedance matching with the wave environment in which it is deployed so as to maximize electrical power output as compared with a passively operating device of similar size.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: August 29, 2023
    Assignee: AquaHarmonics Inc.
    Inventor: Alex Walter Hagmuller
  • Patent number: 11735982
    Abstract: A hybrid-electric propulsion system is provided. In one example aspect, the hybrid-electric propulsion system includes a power converter and a propulsor. The propulsor includes a gas turbine engine having a shaft and one or more bearings supporting the shaft. The propulsor also includes an electric machine electrically coupled with the power converter. The electric machine includes a stator assembly and a rotor assembly. The rotor assembly has a rotor and a rotor connection assembly. The rotor connection assembly operatively couples the rotor with the shaft. The rotor connection assembly has an insulated joint for interrupting common mode electric current from flowing from the rotor of the electric machine to the shaft. A grounding device is included to electrically ground the shaft. The power converter includes an electromagnetic interference filter to reduce common mode voltage reaching the electric machine.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: August 22, 2023
    Assignees: General Electric Company, General Electric Company Polska Sp. z o.o, General Electric Deutschland Holding GmbH
    Inventors: Mohamed Osama, Bartlomiej Drozd, John Russell Yagielski
  • Patent number: 11719215
    Abstract: The hydroelectric generator using a conduit turbine is furnished with a driving shaft which penetrates the center of a conduit through which a flow passes to the inside; a conduit support main body which is provided so as to support the driving shaft; a propeller which is fixed to the driving shaft, and rotates by the movement of the flow; an internal gear which rotates together with the driving shaft from between the conduit support main bodies; an external gear which is driven together with a shaft, outside the conduit, as a rotational force is delivered to the internal gear; and an electric generator.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: August 8, 2023
    Inventor: Seongsik Kim
  • Patent number: 11680529
    Abstract: An electrical system for connecting a rotary electric machine to dc networks operating at different voltages, the electric machine having polyphase winding sets each having a respective index. The electrical system has a first set of ac-dc converter circuits connected in a modular multilevel configuration, each ac-dc converter circuit having a respective index and an ac interface for connection with a corresponding winding set, and in which the modular multilevel configuration has dc outputs each having a respective index. The electrical system also has a set of dc-dc converter circuits each having a respective index and being configured to convert dc power between a voltage at a first dc interface and a voltage at a second dc interface, where a first dc interface of the nth dc-dc converter circuit is connected with the dc outputs of the modular multilevel configuration.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: June 20, 2023
    Assignee: ROLLS-ROYCE plc
    Inventor: Graham P Bruce
  • Patent number: 11668273
    Abstract: A hydropower generator includes: a driving shaft installed along a path through which a fluid flows; a plurality of blade assemblies installed along a lengthwise direction of the driving shaft; a spinning supporter connected to rotatably support the driving shaft; a power generator receiving a spinning force of the driving shaft and generating electricity; and a flow pipeline internally provided with the driving shaft along a lengthwise direction thereof and formed with a channel through which a fluid flows.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: June 6, 2023
    Inventor: Myung Soon Bae
  • Patent number: 11644004
    Abstract: An apparatus and method for extracting energy from an oscillating working fluid, such as ocean waves includes an apparatus (10) having an internal flow passage (40) for the working fluid, a turbine (44) and a flow control device (38), each of the turbine (44) and the flow control device (38) being in direct fluid communication with the flow passage (40), where the flow control device is selectively moveable between a first configuration in which the flow control device is open to allow a flow of the working fluid, such as air, to exit the flow passage therethrough, and a second configuration in which the flow control device restricts a flow of the working fluid therethrough, the working fluid then entering the flow passage via the turbine, which can be harnessed to generate electricity.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: May 9, 2023
    Inventor: Thomas Denniss
  • Patent number: 11634233
    Abstract: In an embodiment, a duct for a ducted-rotor aircraft includes a hub, the hub including a rotor and one or more motors configured to drive the rotor. The duct also includes a duct ring that defines an opening surrounding at least a portion of the hub. The duct also includes a plurality of stators that extend outward from the hub. The duct also includes at least one battery electrically coupled to the rotor and configured to power the one or more motors.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: April 25, 2023
    Assignee: Textron Innovations Inc.
    Inventors: Nicholas Ralph Carlson, Frank Brad Stamps, George Matthew Thompson, Jonathan Andrew Knoll