Patents Examined by Naishadh N Desai
  • Patent number: 12046975
    Abstract: This vibration actuator has a movable body having a coil, a fixed body having magnets, and a shaft part that rotatably supports the movable body, wherein the movable body reciprocally and rotationally vibrates around the shaft part with respect to the fixed body through the interaction of the coil and the magnets. The magnets are arranged in a direction perpendicular to the axial direction of the shaft part and each have two magnetic poles that face the movable body in the coil axial direction of the coil, the shaft part supports the movable body at a position shifted from the center position of the movable body in a direction perpendicular to the axial direction of the shaft part, and the coil axis of the coil of the movable body is located at a position facing a switching position of the magnetic pole of the magnet.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: July 23, 2024
    Assignee: Minebea Mitsumi Inc.
    Inventors: Yuki Takahashi, Masaharu Kagami, Tomoya Ishitani, Takanori Kato, Yoshihiro Gomi
  • Patent number: 12046969
    Abstract: A bridge part of a first coil segment includes a first bridge section extending in a circumferential direction and including a first bending part reducing an inclination angle, and a second bridge section extending in the circumferential direction toward the first linear part and including a second bending part reducing an inclination angle. A bridge part of a second coil segment includes a third bridge section extending in the circumferential direction toward a second linear part and including a third bending part reducing an inclination angle, and a fourth bridge section extending in the circumferential direction toward the first linear part and including a fourth bending part reducing an inclination angle.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: July 23, 2024
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORPORATION
    Inventor: Hidenori Uchida
  • Patent number: 12040667
    Abstract: A salient pole type hybrid excitation motor, belonging to the field of motors, and including a rotor assembly, where the rotor assembly includes: an electromagnetic rotor with radial salient poles and constructed in an annular shape and sleeving a magnetic yoke; a permanent magnet rotor installed on one side of the electromagnetic rotor; and axial salient pole blocks installed on one side of the permanent magnet rotor away from the electromagnetic rotor and arranged alternately with the radial salient poles, a plurality of axial salient pole blocks being matched with a plurality of radial salient poles of the electromagnetic rotor, and a polarity of the permanent magnet steels corresponding to the axial salient pole blocks being opposite to that of permanent magnet steels corresponding to the radial salient poles of the electromagnetic rotor. The present invention combines electric excitation and permanent magnet excitation to adjust an air gap magnetic field of a motor.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: July 16, 2024
    Assignee: WUXI INFIMOTION TECHNOLOGY CO., LTD
    Inventors: Shengchuan Zhang, Xuebo Xiong, Liang Fang, Tao Han, Haisheng Yu, Yanjun Tan, Xiaozhe Lin, Ruiping Wang, Ingo Scholten
  • Patent number: 12034390
    Abstract: A winding switching device switches parallel and series connections of windings of a rotating electric machine, and includes a plurality of electrodes that are connected to the windings and a power source, a movable portion in contact with the plurality of electrodes and includes a plurality of conductor portions, and an actuator that drives the movable portion. According to a contact state between the plurality of electrodes and the plurality of conductor portions, the windings are connected in parallel at a first position of the movable portion, and are connected in series at a second position of the movable portion. The electrodes include a first electrode connected to a first phase winding of the rotating electric machine in the plurality of windings, and a second electrode connected to a second phase winding. The first electrode and the second electrode are adjacent to each other, and form a neutral point.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: July 9, 2024
    Assignee: HITACHI, LTD.
    Inventors: Shinji Sugimoto, Akeshi Takahashi, Kazuo Nishihama
  • Patent number: 12034385
    Abstract: Various implementations of the invention correspond to an improved vortex flux generator.
    Type: Grant
    Filed: February 17, 2023
    Date of Patent: July 9, 2024
    Assignee: Silicon Turbine Systems, Inc.
    Inventor: Richard Adams
  • Patent number: 12034351
    Abstract: An electromechanical actuator with a through-going center passage for use under water, wherein the motor and transmission elements are arranged in parallel with and are via dog elements mechanically coupled to the axially displaceable elements through a scaling partition. A hydraulic axially displaceable piston ring facilitates secondary release of locking segments in a coupling device.
    Type: Grant
    Filed: July 5, 2021
    Date of Patent: July 9, 2024
    Assignee: Electrical Subsea & Drilling AS
    Inventor: Egil Eriksen
  • Patent number: 12027958
    Abstract: An electric work machine is drivable appropriately when a brushless motor generates heat. The electric work machine includes a brushless motor including a stator, a rotor rotatable with respect to the stator, and a rotor shaft fixed to the rotor, an output unit drivable by the rotor shaft, a motor case accommodating the stator and the rotor, and a cooling fan located outside the motor case and rotatable by the rotor shaft.
    Type: Grant
    Filed: April 20, 2022
    Date of Patent: July 2, 2024
    Assignee: MAKITA CORPORATION
    Inventors: Fuminari Fujii, Kei Kouda
  • Patent number: 12027917
    Abstract: An electric motor which is designed as an internal rotor, comprising a laminated stator core and a functional support which is arranged on a rear side that faces away from an output side of the laminated stator core. The functional support includes a plastic housing and connecting elements which are integrated in the plastic housing and protrude therefrom in the axial direction of the laminated stator core. The functional support is interlocking and/or integrally connected to the laminated stator core in the axial direction at a lateral outer surface of the laminated stator core by means of the connecting elements.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: July 2, 2024
    Assignee: Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg
    Inventors: Steffen Manger, Sven Anton Büchner, Benjamin Nelson, Florian Winter, Anna Feser, Steffen Reiher, Christof Goeke, Marcus Balsam
  • Patent number: 12027953
    Abstract: A superconducting rotating machine includes a stator that includes a cylindrical stator iron core and a stator winding that is toroidally wound around the stator iron core and formed of a superconducting material, and generates a rotating magnetic field, an inner rotor rotatably held at an inner circumferential side of the stator, and an outer rotor rotatably held at an outer circumferential side of the stator. The inner and outer rotors each include at least one rotor winding selected from a superconducting squirrel cage winding including a single or a plurality of rotor bars and end rings that are formed of a superconducting material, and a normal conducting squirrel cage winding including a single or a plurality of rotor bars and end rings that are formed of a normal conducting material, and a rotor iron core including a plurality of slots that accommodate respective rotor bars of the rotor winding.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: July 2, 2024
    Assignee: KYOTO UNIVERSITY
    Inventor: Taketsune Nakamura
  • Patent number: 12015317
    Abstract: A stator includes: a stator core including teeth; pins including a working portion extending in an axial direction in a slot between the teeth; and bus bars electrically connected to the pins. In each slot, the working portions are disposed over stages in a radial direction. The pins include the two working portions across the teeth, first and second pins each including a connection portion connecting the working portion in a circumferential direction, and a third pin connected to the bus bar. The working portion of the second pin is disposed on one of the outermost and innermost stages of the slot, and the working portion of the third pin is disposed on one or the other of the outermost and innermost stages of the slot. A number of teeth straddled by the second pin is larger by two than a number of teeth straddled by the first pin.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: June 18, 2024
    Assignee: NIDEC CORPORATION
    Inventors: Hibiki Takada, Tomoya Ueda, Takahiro Hiwa
  • Patent number: 12015308
    Abstract: A rotor for an electric machine, where the rotor has a plurality of annularly formed laminated core segments, which are arranged in succession in the longitudinal direction of the rotor, and each laminated core segment has at least one pocket with a pole component arranged therein, where the pole components arranged in succession in the longitudinal direction of the rotor form a pole assembly, and the pole assembly has a W-shaped progression in relation to its longitudinal direction.
    Type: Grant
    Filed: March 9, 2022
    Date of Patent: June 18, 2024
    Assignee: Vitesco Technologies German GmbH
    Inventor: Ralf Rissmann
  • Patent number: 11998949
    Abstract: The present disclosure provides an acoustic transduction structure including: a base substrate and at least two acoustic transduction units on the base substrate, wherein vibrating cavities of two adjacent acoustic transduction units are spaced apart from each other in a direction parallel to a plane where the base substrate is located, and the at least two acoustic transduction units include: a central acoustic transduction unit and at least one annular acoustic transduction unit around the central acoustic transduction unit. The present disclosure also provides a method for manufacturing the acoustic transduction structure and an acoustic transducer.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: June 4, 2024
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tuo Sun
  • Patent number: 12003158
    Abstract: An electromagnetic machine for generating force is provided. The electromagnetic machine includes a magnet having opposing sides extending along a longitudinal axis. The electromagnetic machine includes a pair of ferromagnetic bodies respectively extending along the opposing sides of the magnet, and along the longitudinal axis, each of the ferromagnetic bodies comprising: a back-iron portion; and a pole portion extending from the back-iron portion. The magnet and the ferromagnetic bodies include reciprocal retention devices at the opposing sides along the longitudinal axis. The electromagnetic machine includes electrical windings around respective pole portions of the ferromagnetic bodies, the electrical windings around the respective pole portions being independently controllable. The electromagnetic machine includes at least one cold plate configured to thermally isolate the magnet from the electrical windings.
    Type: Grant
    Filed: November 5, 2020
    Date of Patent: June 4, 2024
    Assignee: HYPERLOOP TECHNOLOGIES, INC.
    Inventors: Noel Godinez, Tim Lambert, Irfan-ur-rab Usman, Erik Johnson
  • Patent number: 11996757
    Abstract: A lubricant supported electric motor includes a stator and a rotor and a drive hub. The rotor is moveable relative to the stator and a gap is defined between the rotor and the stator. A lubricant is disposed within the gap to support the rotor relative to the stator and provide a bearing mechanism. The drive hub is coupled to the rotor such that rotation of the rotor causes rotation of the drive hub. The drive hub may be connected to the rotor via a coupler member that is torsionally stiff and axially and radially compliant. The stator may be fixed relative to a connection structure that extends radially within the stator. The connection member may support the drive hub for rotation. Lubricant is supplied via a passageway extending through the connection member into a chamber that includes the gap.
    Type: Grant
    Filed: April 5, 2023
    Date of Patent: May 28, 2024
    Assignee: Neapco Intellectual Property Holdings, LLC
    Inventors: Donald Remboski, Jacqueline Dedo
  • Patent number: 11996742
    Abstract: An apparatus including a frame, an optical sensor connected to the frame, and an environment separation barrier. The frame is configured to be attached to a housing of a motor assembly proximate an aperture which extends through the housing. The optical sensor comprises a camera. The environment separation barrier is configured to be connected to the housing at the aperture, where the environment separation barrier is at least partially transparent and located relative to the camera to allow the camera to view an image inside the housing through the environment separation barrier and the aperture.
    Type: Grant
    Filed: October 11, 2022
    Date of Patent: May 28, 2024
    Assignee: Persimmon Technologies Corporation
    Inventors: Dennis Poole, Martin Hosek
  • Patent number: 11984780
    Abstract: A coil unit and a manufacturing method of the same are provided which simplify the connection structure at the end portion of a coil to reduce the size of a stator, and minimize the work environment (equipment and work regions) when mounting the coil on the stator, and make it possible to perform efficient mounting work. A terminals-welded coil unit includes a coil made of a first metal material, and a terminal made of a second metal material connected to an end portion of the coil. A welded portion between the end portion of the coil and the terminal is configured by pressure welding with end surfaces butted against each other.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: May 14, 2024
    Assignee: ASTER CO., LTD.
    Inventor: Takenobu Hongo
  • Patent number: 11984259
    Abstract: An electrical generator and method for operating the same are provided. Accordingly, the generator includes a non-rotatable component supporting a field winding assembly and a rotatable component oriented to rotate relative thereto. The generator also includes an armature winding assembly fixedly coupled to the rotatable component so as to rotate therewith during operation of the generator. The generator also includes a resistive assembly fixedly coupled to the rotatable component so as to rotate therewith during the operation of the generator. The resistive assembly electrically couples at least two separate phase windings of the armature winding assembly. The resistive assembly is also configured to introduce a resistance into the armature winding assembly in response to an electrical fault.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: May 14, 2024
    Assignee: General Electric Renovables España, S.L.
    Inventors: Nidhishri Tapadia, David Allan Torrey
  • Patent number: 11984765
    Abstract: A rotor tube for an electric machine of a vehicle includes an outer tube and first and second coupling sections coupled to the outer tube at opposite end regions of the outer tube relative to a longitudinal axis of the rotor tube. First and second hubs are coupled to the outer tube at the opposite end regions of the outer tube relative to the longitudinal axis of the rotor tube. A ventilation element is coupled to the outer tube. An inner tube is disposed within the outer tube relative to the longitudinal axis of the rotor tube such that the outer tube surrounds the inner tube. At least two components selected from the first coupling section, second coupling section, first hub, second hub, outer tube, ventilation element and inner tube are formed in one piece as a cast component.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: May 14, 2024
    Assignee: Siemens Mobility GmbH
    Inventors: Freerk Jacobus Oude Kotte, Peter Seitz
  • Patent number: 11975854
    Abstract: An electrical propulsion system for a vertical take-off and landing (VTOL) aircraft comprises an electrical motor assembly and an inverter assembly. The inverter assembly comprises a housing, a capacitor assembly, at least one printed circuit board assembly (PCBA), and a plurality of positioning pins. The capacitor assembly comprises a center hole, at least one capacitor, a capacitor housing having at least one busbar, and a plurality of through holes in the capacitor housing. The capacitor assembly and the at least one PCBA are positioned inside the housing. The plurality of positioning pins pass through the through the plurality of through holes of the capacitor housing and the at least one PCBA and are connected to the housing.
    Type: Grant
    Filed: April 25, 2023
    Date of Patent: May 7, 2024
    Assignee: ARCHER AVIATION, INC.
    Inventors: Alan D. Tepe, Stephen Michael Spiteri, Scott Graves, Alan Baldwin, Wei Wu, Robert Wayne Moore, Michael Zwiers, Diederik Marius
  • Patent number: 11979075
    Abstract: The invention relates to a housing (10) of an electric drive having a stator (29) and a rotor for an electric axle module of an electrically driven vehicle, comprising a cooling duct (56) through which a cooling medium flows. The cooling duct (56) is formed by a first duct geometry (16) on an inner side (13) of a sleeve-shaped extension (11) of the housing (10) and by a second duct geometry (24) configured on a casing (54) of a sleeve (28).
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: May 7, 2024
    Assignee: Robert Bosch GmbH
    Inventors: Wael Mohamed, Michael Wolfgang Goerdeler