Patents Examined by Tulsidas C. Patel
  • Patent number: 11905924
    Abstract: A spreader box for securing a tower having a flange to a pedestal having an embedded first bolt and second bolt includes a first surface coming into contact with the pedestal, a second surface coming into contact with the flange and a third surface and a fourth surface. The first, second, third and fourth surfaces form a hollow box-like shape. The spreader box also includes a first through-hole through the first and second surfaces for receiving the first bolt therethrough and a second through-hole through the first and second surfaces for receiving the second bolt therethrough.
    Type: Grant
    Filed: March 3, 2022
    Date of Patent: February 20, 2024
    Inventor: Brian K. Tri
  • Patent number: 11905918
    Abstract: A hydrokinetic energy based power generation system is described, including several modules filled with fluid or vacuum and anchored to a stream bed of water body, multiple basic units associated with each module for converting hydrokinetic energy into electrical energy, wherein each basic unit includes two springs affixed with a top and bottom portion of the modules in such a way that the hydrokinetic energy induces vibrations within the springs, a cylindrical tube positioned between the springs, and contained with a ferromagnetic fluid, two fixed magnets and a movable magnet, wherein the movable magnet oscillates in between the fixed magnets due to the induced disturbances caused by waves/ocean and repulsive forces caused by the fixed magnets, an electric coil associated with the tube, for generating electric current by harnessing the relative motion of the movable magnet and electric coil due to electromagnetism phenomenon and in accordance with laws of electromagnetic induction.
    Type: Grant
    Filed: January 4, 2022
    Date of Patent: February 20, 2024
    Assignee: Truedo Technologies Pvt. Ltd.
    Inventor: Kshitij Chopra
  • Patent number: 11909262
    Abstract: An electrical machine assembly includes a stator. The stator includes a core, windings assembled into the core, and a back iron heat exchanger mounted to the core. A first end plate is mounted at a first end of the core and back iron heat exchanger. A second end plate is mounted at a second end of the core and back iron heat exchanger opposite the first end plate. A coolant circuit passes from a coolant inlet in the back iron heat exchanger, through the back iron heat exchanger, into the first end plate, out of the first end plate, through the core, into the second end plate, and out of the second end plate.
    Type: Grant
    Filed: May 3, 2021
    Date of Patent: February 20, 2024
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Ashutosh Joshi, Debabrata Pal
  • Patent number: 11905994
    Abstract: Disclosed are a magnetic bearing, a compressor and an air conditioner. The magnetic bearing includes a radial stator, wherein the radial stator has a plurality of stator teeth extending inwardly in a radial direction thereof; two axial stators are arranged on two axial sides of the stator teeth, respectively; and radial control coils are wound on the stator teeth, each radial control coil being located outside an area of the stator teeth covered oppositely by the two axial stators. The magnetic bearing, the compressor and the air conditioner can effectively reduce the degree of coupling between a radial electromagnetic control magnetic circuit and an axial electromagnetic control magnetic circuit, and reduce the control difficulty of the magnetic bearing.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: February 20, 2024
    Assignee: Gree Electric Appliances, Inc. of Zhuhai
    Inventors: Mingzhu Dong, Yusheng Hu, Bin Chen, Xiaobo Zhang, Fang Zhang, Gao Gong, Chao Zhang, Mingxing Deng
  • Patent number: 11890944
    Abstract: A starter battery system for an air cooled engine rated at less than 50 horsepower. The system includes four lithium iron phosphate cells and a charging circuit configured to be powered by rotation of an air cooled engine. A voltage developed by the charging circuit is applied to the four lithium iron phosphate cells without battery management circuitry provided between the charging circuitry and the four lithium iron phosphate cells. An engine which includes at least one piston, a rotatable crankshaft coupled to the at least one piston, a starter motor configured to selectively initiate rotation of the crankshaft, a lithium-ion battery in electrical communication with the starter motor, the lithium-ion battery having at least one cell, and a charging system configured to be powered by motion of at least one component of the engine. The charging system is configured to continuously apply a voltage potential to the at least one cell while the engine is in a running condition.
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: February 6, 2024
    Assignee: Briggs & Stratton, LLC
    Inventors: Jeffrey M. Zeiler, Richard J. Gilpatrick
  • Patent number: 11891982
    Abstract: There is provided a method of controlling a wind turbine on starting or running up the wind turbine before the wind turbine is connected to an electrical supply grid or before the wind turbine is connected to the electrical energy supply grid again. The wind turbine has a rotor having a rotor arresting means, at least one rotor blade and at least one blade angle detection sensor for each rotor blade for detecting the blade angle of the rotor blade. The blade angle of the at least one rotor blade is detected by means of the blade angle detection sensor. Unlocking of the rotor arresting means is blocked until the detected at least one blade angle is within a predetermined angle range. In that way it is possible to ensure that the rotor arresting means is released only when the blades are for example in the feathered position.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: February 6, 2024
    Assignee: Wobben Properties GmbH
    Inventors: Harald Wegmann, Timm Mross, Reinhard Cloppenburg
  • Patent number: 11891983
    Abstract: A method of adapting noise emission configurations of plural wind turbines, the method including: determining total wind turbine related noise levels at plural locations; determining, among the plural locations, a critical location having a most critical, in particular highest, total wind turbine related noise level; if the most critical total wind turbine related noise level is above a noise threshold: reducing the noise emission configuration of a wind turbine having the highest noise to power impact ratio, is provided.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: February 6, 2024
    Assignee: SIEMENS GAMESA RENEWABLE ENERGY A/S
    Inventors: Per Egedal, Tomas Rosenberg Hansen, Stefan Oerlemans
  • Patent number: 11891981
    Abstract: A generator-gearbox arrangement for a wind turbine includes a generator having a stator and a rotor interacting with one another, a functional component arranged on an end side of the generator and including an extension which points toward the rotor, and a magnetic rail brake arrangement including component parts fastened to the extension. The magnetic rail brake arrangement is designed to apply a braking action which is based on an operating principle of electromagnetic attraction between the magnetic rail brake arrangement and at least one of the rotor and the functional component.
    Type: Grant
    Filed: November 26, 2021
    Date of Patent: February 6, 2024
    Assignee: Flender GmbH
    Inventor: Andreas Jöckel
  • Patent number: 11894731
    Abstract: A motor assembly includes a rotor and a sensor arrangement. The sensor arrangement has a sensor and a target. The target is applied to a surface of the rotor and the sensor is mounted on a bearing shield of the motor opposite the target.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: February 6, 2024
    Assignee: Robert Bosch GmbH
    Inventors: Wolfgang Sinz, Konstantin Haberkorn, Patrick Budaker, Lothar Detels, Marc Micke, Klaus Lerchenmueller
  • Patent number: 11894738
    Abstract: A turbomachine equipped with an embedded electric machine having a segmented and movable stator is provided. In one aspect, a turbomachine defines a radial direction and includes a rotating component, actuators, and an electric machine. The electric machine includes a rotor assembly rotatable with and operatively coupled with the rotating component. The electric machine also includes a stator assembly having a stator split into stator segments. Each one of the stator segments is movable by one of the actuators between a first position and a second position along the radial direction, the stator segments each being closer to the rotor assembly along the radial direction when in the first position than when in the second position.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: February 6, 2024
    Assignee: General Electric Company
    Inventors: Darek Tomasz Zatorski, Mohamed Osama
  • Patent number: 11894725
    Abstract: Provided is a rotating electric machine (100) including a stator (1) and a rotor (2). The rotor (2) includes a plurality of stages of rotor units (201 and 202) stacked in an axial direction. Each of the rotor units (201 and 202) includes a pair of permanent magnets (21) and slits (22a and 22b) arranged in one or more rows. The slits (22a and 22b) has an arc-like shape. Both ends of the arc-like shape are located on an outer periphery side of the rotor (2). When an angle formed between two straight lines that connect positions of both ends of the arc-like shape and a rotation axis center of the rotor (2) is defined as an arc angle, at least one of the arc angle of the slit (22a) and the number of rows of the slits is different between at least two rotor units (201 and 202).
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: February 6, 2024
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hiroshi Mitsuda, Yoshihiro Miyama, Moriyuki Hazeyama, Masaya Inoue, Masashi Nakamura
  • Patent number: 11885312
    Abstract: A wind turbine includes a dynamoelectric machine including a liquid-cooled stator and a rotor interacting with one another. The stator includes a magnetically conductive body and a winding system which is embedded in slots of the magnetically conductive body and which includes a main insulation arranged between a conductor of the winding system and a slot wall and including at least one recess provided in a cooling-channel impression of the main insulation to form at least one axial cooling channel extending between the main insulation and the slot wall, so that the at least one cooling channel borders the slot wall without insulation in direct contact with the slot wall. The winding system includes end windings which are also liquid-cooled. A can separates the stator and the rotor from one another and enables different cooling media for the stator and the rotor.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: January 30, 2024
    Assignee: Flender GmbH
    Inventors: Claus Teringl, Michael Winklhofer
  • Patent number: 11888421
    Abstract: The present disclosure is directed to an electric generator and motor transmission system that is capable of operating with high energy, wide operating range and extremely variable torque and RPM conditions. In accordance with various embodiments, the disclosed system is operable to: dynamically change the output “size” of the motor/generator by modularly engaging and disengaging rotor/stator sets as power demands increase or decrease; activate one stator or another within the rotor/stator sets as torque/RPM or amperage/voltage requirements change; and/or change from parallel to series winding configurations or the reverse through sets of 2, 4, 6 or more parallel, three-phase, non-twisted coil windings with switchable separated center tap to efficiently meet torque/RPM or amperage/voltage requirements.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: January 30, 2024
    Assignee: Falcon Power, LLC
    Inventors: James L. Bailey, Harley C. McDonald
  • Patent number: 11883718
    Abstract: A magnetic control device for directly sensing the motion load value especially the one that has a magnetic resistance mechanism which is “floating” and pivoted on the inner edge of the outer ring body of a flywheel; an acting rod, one end of is locked on the outside of the magnetic resistance mechanism and synchronized with it, and the other end has a pressure applied member connected to the beam load cell; a torque value conversion unit for converting the load value of the beam load cell into a torque value; so as to achieve directly measuring the motion load value, which has the effect of improving the detection accuracy.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: January 30, 2024
    Assignee: Chi Hua Fitness Co., Ltd.
    Inventor: Chia Jung Lee
  • Patent number: 11888352
    Abstract: Various embodiments of a system and associated method for an electrically efficient motor including two parallel shafts, one or more rotors including a plurality of alternating permanent magnets mounted on each shaft, and an electromagnet operable for switching polarities in order to keep the one or more rotors, and consequently the two parallel shafts, in rotational motion.
    Type: Grant
    Filed: February 24, 2022
    Date of Patent: January 30, 2024
    Inventor: Thomas Urban
  • Patent number: 11879433
    Abstract: A method (1000-1001) for operating a wind turbine (100) including a rotor (106) having rotor blades (108) and a power conversion system (118, 210, 234) mechanically connected with the rotor (106), configured to convert input motive power into electrical output power, and electrically connected to a network (242) for feeding the electrical output power (P) to the network is provided. The method includes determining (1100) a current frequency (f) of the network (242), and, when the current frequency (f) is equal to or lower than a threshold frequency (fthresh), operating (1300) the power conversion system (118, 210, 234) at an electrical output power (P) which is increased by an electrical output power increase (PI) in accordance with a monotonic function (PI(f)) of the current frequency (f) limited to a maximum value (PImax).
    Type: Grant
    Filed: May 11, 2022
    Date of Patent: January 23, 2024
    Assignee: General Electric Renovables Espana, S.L.
    Inventor: Christoph Schulten
  • Patent number: 11881666
    Abstract: The invention relates to a brush module (10) for an electric machine and to a method for mounting such a brush module, the brush module having a brush (13) for forming an electric contact with a slip ring, the brush module having an mounting device (12) and a brush holder (11) for accommodating and holding the brush, the mounting device being realized as a U-shaped sheet-metal bracket (17) which engages over the brush holder, the sheet-metal bracket having laterally protruding fastening tabs (18) for fastening the brush holder to an mounting surface (19), an access opening (25) being formed in the brush holder, a retaining tab, which is formed on a fastening tab of the sheet-metal bracket, engaging in the access opening and holding the brush in the brush holder in a retaining position (24) in a form-fitting manner, the fastening tab having the retaining tab being inclined at an angle ? relative to the mounting surface of the brush holder.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: January 23, 2024
    Assignee: SCHUNK CARBON TECHNOLOGY GMBH
    Inventor: Ludwig Kain
  • Patent number: 11879432
    Abstract: A controller structure for a wind turbine having an aerodynamic rotor with at least one rotor blade, wherein the controller structure is designed to control a rotation speed of the rotor of the wind turbine, wherein the controller structure is designed as a cascade control arrangement and has an outer control loop and an inner control loop, wherein the inner control loop receives an input signal which comprises a change in the rotation speed, an acceleration of the rotation speed, a function of the change in the rotation speed and/or a function of the acceleration of the rotation speed.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: January 23, 2024
    Assignee: Wobben Properties GmbH
    Inventor: Enno Von Aswege
  • Patent number: 11881793
    Abstract: A triboelectric generator comprises a first body moveable relative to a second body. Power generation modules are disposed on the first body and one or more actuating elements are disposed on the second body. Each power generation module is electrically connected to a common output and comprises material capable of generating electrical power through the triboelectric effect when contacting another surface. The power generation modules and one or more actuating elements are arranged on the bodies such that relative movement of the bodies causes the one or more actuating elements to come into contact with the power generation modules, wherein the contact causes the material of that power generation module to be brought into contact with said other surface to generate electrical power. The power generation modules may supply electrical power to the common output at different times, providing a more continuous supply of electrical power from the common output.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: January 23, 2024
    Assignee: University of Surrey
    Inventors: Ishara Dharmasena, Sembukuttiarachilage Ravi Pradip Silva
  • Patent number: 11876431
    Abstract: A magnetic bearing contactlessly supporting a rotor by magnetic force includes: a bearing rotor member made of a magnetic material; and a bearing stator member arranged around bearing rotor member. The bearing stator member includes a core made of a magnetic material and a coil wound around the core. A longitudinal cross-sectional shape of the core has a first part extending in a first direction orthogonal to a direction opposed to the bearing rotor member and wound around with the coil, a pair of second parts extending from both end portions in the first direction of first part to the bearing rotor member side and subsequently extending in a direction approaching each other in the first direction, and a pair of third parts extending from respective distal end portions of the pair of second parts toward the bearing rotor member side. The bearing rotor member also includes a permanent magnet.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: January 16, 2024
    Assignee: IWAKI CO., LTD.
    Inventors: Toshiki Oniduka, Shinichirou Koreeda, Toshiaki Kamei, Takuya Seki