Patents Examined by John K Kim
  • Patent number: 10734920
    Abstract: The invention provides a device for generating electrical currents of a particular desired waveform through the combining of a plurality of different frequency output currents generated by plurality of power generating arrangements. The power generating arrangements each comprise at least first and second sets of generating elements, configured to hold a relative charge and to be moveable with respect to one another in order to generate an electrical output current of a particular frequency.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: August 4, 2020
    Assignee: Koninklijke Philips N.V.
    Inventors: Kumar Arulandu, Michiel Van Lierop, Lutz Christian Gerhardt, Mark Thomas Johnson, Hans Kroes, Neil Francis Joye
  • Patent number: 10734870
    Abstract: The heat pipes 9a provided here in the grooves 9 of the motor side conduct heat to the end of the output shaft 2 and the heat pipes 10a in the grooves 10 of the housing of the power supply to the opposite end. A flow of heat to axially opposing ends is thus produced that always travels away from the power electronics that are arranged approximately in the center of the system.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: August 4, 2020
    Assignee: BERGISCHE UNIVERSITAET WUPPERTAL
    Inventors: Stefan Butzmann, Marius Finke
  • Patent number: 10727705
    Abstract: A shim pack to reduce vibration of a stator core is disclosed. The stator core may include a plurality of laminates coupled to a dovetail of a keybar and separated by a space block. The shim pack may include an elongated body extending from a first end including a dovetail slot configured to couple to the dovetail of the keybar to a second end extending radially at least substantially an entire length of an adjacent space block. A stator and related generator including the shim pack may also be provided.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: July 28, 2020
    Assignee: General Electric Company
    Inventors: Lakshminarayana Kanakamedala, Richard Nils Dawson, Jayan Kaadaapuram George
  • Patent number: 10727725
    Abstract: An alternator device includes a first rotating disk having a first set of spaced intervals between rotor teeth; a second rotating disk having a second set of spaced intervals between rotor teeth; a permanent magnet located intermediate the rotating disks and to generate a first magnetic field having a first magnetic pole at the first rotating disk and a second magnetic field having a second magnetic pole opposite the first magnetic pole at the second rotating disk; and a coil base located intermediate the first and second rotating disks, the coil base receiving coils in alignment with the first and second spaced intervals; wherein the rotating disks rotate along a rotation axis while the magnet and the coil base remain in a static position, the rotation of the rotating disks enabling a rotational movement of the magnetic fields through the coils for the generation of electric current within the coils.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: July 28, 2020
    Inventors: Saqr Majed Bin Saqr Al Marri, Salem Saqr Majed Bin Saqr Almarri
  • Patent number: 10715003
    Abstract: An electric actuator includes: a motor unit; a speed reducer; a circuit board; a busbar; and a housing. The housing has a motor case and a circuit board case attached to one side of the motor case in an axial direction. The circuit board case has a bottom wall blocking an opening of the motor case. The bottom wall has a bottom wall through-hole that penetrates through the bottom wall in the axial direction on an outer side beyond the speed reducer in the radial direction. A busbar has a busbar main body section, a coil line connecting section to which a coil line extending on one side in the axial direction from a coil is connected, and a connection terminal section. The connection terminal section extends to one side of the bottom wall in the axial direction via the bottom wall through-hole and is connected to the circuit board.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: July 14, 2020
    Assignee: NIDEC TOSOK CORPORATION
    Inventors: Yutaka Uematsu, Shun Kato, Ryunosuke Oikawa, Yuzo Akasaka, Kazumi Shinkai
  • Patent number: 10714998
    Abstract: A method for reducing stress concentration on a rotor sleeve during balance cutting comprising: providing an axial protrusion to an outer diameter of a first end cap and a second end cap of a rotor assembly; and radially cutting at least one of the sleeve or the axial protrusion to balance the rotor assembly.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: July 14, 2020
    Assignee: BorgWarner Inc.
    Inventors: Allan D. Kelly, Charles J. Kurle
  • Patent number: 10715014
    Abstract: A low voltage high current permanent magnet DC electromagnetic heteropolar motor, including (a) at least one permanent magnet rotor; (b) a shaft in mechanical communication with the rotor such that axial rotation of the rotor causes axial rotation of the shaft; (c) at least one stator winding; (d) a plurality of switches, each functioning to provide commutation switching for the stator so as to generate a torque on the rotor and thereby cause said axial rotation of the shaft, wherein a terminal voltage of said machine is equal to the voltage of one electrochemical cell, and wherein the power of said machine is at least 1 kW.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: July 14, 2020
    Assignee: Electric Vehicle Systems and Technology Pty Ltd
    Inventors: Duncan Richard Quick, Duncan John Hedditch
  • Patent number: 10707727
    Abstract: A stator sleeve for use in an integrated drive generator has a body extending between a first end and a second end and has a generally cylindrical inner peripheral surface. An outer peripheral surface has a plurality of circumferentially extending ribs define intermediate oil cooling channels. An integrated drive generator and a method are also disclosed.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: July 7, 2020
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Derek R. Hochstetler, Ted A. Martin, Duane C. Johnson, Glenn C. Lemmers, Jr.
  • Patent number: 10707733
    Abstract: A synchronous reluctance motor assisted by permanent magnets comprises a stator provided with stator windings, for generating a magnetic flux, which has a circular central seat to house a cylindrical shaped rotor suitable for being actuated in rotation about an axis of rotation, wherein the rotor comprises internal slots, for housing respective permanent magnets, and wherein the internal slots and the permanent magnets are curvilinear shaped in order to optimise the magnetic interaction between the rotor and the stator windings.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: July 7, 2020
    Assignee: Enerdrive Limited
    Inventors: Davor Filipeti, Boris Karuzic
  • Patent number: 10693334
    Abstract: A stator core including field slots housing field windings and armature slots housing armature windings is provided. Permanent magnets are housed in the respective armature slots. The armature windings are configured by a first winding and at least one second winding. The field winding passes over the permanent magnet. The second windings each have a part embedded between a coil end of the field winding and teeth around which the field winding is around.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: June 23, 2020
    Assignees: DAIKIN INDUSTRIES, LTD., NAGOYA INSTITUTE OF TECHNOLOGY
    Inventors: Yoshinari Asano, Toshinari Kondou, Yoshihito Sanga, Takashi Kosaka
  • Patent number: 10686354
    Abstract: A rotary electrical machine includes: a rotary electrical machine having a stator and a rotor; and a control device. The rotor includes: a field core having a boss part and claw-shaped magnetic pole parts; a field winding that is wound on the boss part; and permanent magnets that are arranged between the claw-shaped magnetic pole parts. A d-axis magnetic circuit formed by magnetomotive force of the field winding and at least part of first and second magnet magnetic circuits formed by magnetic force of the permanent magnets are shared. When an electrical load is connected to the rotor, a permeance Prt of the d-axis magnetic circuit is set to be smaller than a permeance Pst of the q-axis magnetic circuit. The control device performs phase control such that the rotary electrical machine performs either power running or regeneration.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: June 16, 2020
    Assignee: DENSO CORPORATION
    Inventor: Yuki Takahashi
  • Patent number: 10686358
    Abstract: The invention relates to the field of magnetohydrodynamic generators, and more precisely to such a generator (10) comprising a working fluid flow passage (11) that is defined by a first wall (12) and a second wall (13), an ionizing device (14) for ionizing the working fluid, a pair of arms (15), each connecting together the first and second walls (12, 13) downstream from said ionizing device (14) so as to define, within the flow passage (11), a channel (16) between said arms (15) and said walls (12, 13), said channel (16) being arranged to be traversed by a portion of the working fluid after it has been ionized, a magnet for generating a magnetic field (B) oriented in a direction that is perpendicular to the flow of the working fluid through the channel (16) defined by the pair of arms (15) and said walls (12, 13), and at least one pair of electrodes (17), each of the electrodes (17) in each pair being arranged on a respective side of the channel (16) defined by the pair of arms (15) and said walls (12, 13),
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: June 16, 2020
    Assignee: Safran Helicopter Engines
    Inventors: Camel Serghine, Thomas Klonowski, Stéphane Beddok, Stéphane Richard
  • Patent number: 10680498
    Abstract: A motor includes a rotor and a stator. The stator includes a stator core, stator windings wound around the stator core and a circuit board fixed relative to the stator core. The circuit board includes a motor control circuit. The motor control circuit includes a magnetic sensor integrated circuit magnetically coupled with the rotor to detect a position of a magnetic pole of the rotor. The magnetic sensor integrated circuit includes a package housing near the magnetic poles of the rotor, an electronic circuit provided in the package housing, and a plurality of pins extending from the package housing and soldered on the circuit board. An electric equipment with the motor is also provided.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: June 9, 2020
    Assignee: JOHNSON ELECTRIC INTERNATIONAL AG
    Inventors: Min Li, Xiaolin Zhang, Shaopeng Mo
  • Patent number: 10680496
    Abstract: Various examples, relating to motor attachment, a motor attachment structure, substrate processing apparatus are disclosed. The present disclosure exemplifies a motor attachment bracket including a plate-shaped motor mounting portion which an output shaft insertion hole through which an output shaft of a motor is inserted penetrates, and to which the motor the output shaft of which is inserted through the output shaft insertion hole is fixed. A fluid path in which a cooling fluid is circulated is formed in a metal member formed with the motor mounting portion, a motor attachment structure using the motor attachment bracket, and a substrate processing apparatus.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: June 9, 2020
    Assignee: EBARA CORPORATION
    Inventor: Hideaki Tanaka
  • Patent number: 10673288
    Abstract: A method includes forming one or more oxide barrier layers on one or more protected portions of a magnetic, metallic body, and converting one or more unprotected portions of the magnetic, metallic body to a less magnetic material by exposing the magnetic metallic body having the one or more oxide barrier layers formed thereon to nitrogen. One or more protected portions of the magnetic, metallic body that are beneath the one or more oxide barrier layers are not converted to the less magnetic material. The method can be used to form one or more layers of a laminated electric motor.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: June 2, 2020
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Lawrence Bernard Kool, Min Zou, Wanming Zhang, Susan Corah, Christopher Klapper, Francis Johnson, Steve Buresh
  • Patent number: 10662570
    Abstract: A laundry treatment apparatus and a magnetic gear apparatus are disclosed. The laundry treatment apparatus includes a cabinet (100) defining the appearance of the laundry treatment apparatus, a drum (300) rotatably disposed in the cabinet (100) to contain laundry, and a power unit (600) for rotating the drum (300), wherein the power unit (600) includes a rotating magnetic field generator (680) securely provided in the cabinet (100) to generate rotating magnetic fields, an input magnetic gear part (670) rotatably disposed radially outside the rotating magnetic field generator (680) and including at least one permanent magnet to transfer rotating magnetic fields, a magnetic path formation part (640) disposed radially outside the input magnetic gear, and an output magnetic gear part (620) disposed radially outside the magnetic path formation part (640) and including at least one permanent magnet therein.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: May 26, 2020
    Assignee: LG Electronics Inc.
    Inventor: Ikuma Fukui
  • Patent number: 10661399
    Abstract: The present invention discloses a single-drive rigid-flexible coupling precision motion platform, including a machine base, a linear guide rail, a rigid-flexible coupling motion platform, a linear driver and a displacement sensor, wherein the rigid-flexible coupling motion platform includes a rigid frame, flexible hinges and a core motion platform; and the core motion platform of the rigid-flexible coupling motion platform is connected with the rigid frame through the flexible hinges. In this arrangement, the single-drive rigid-flexible coupling precision motion platform disclosed by the present invention can realize high-accuracy continuous change displacements of the platform, thereby avoiding displacement “jitter” caused by sudden change of acceleration. The present invention further discloses a realization method and an application including the above platform.
    Type: Grant
    Filed: December 17, 2017
    Date of Patent: May 26, 2020
    Inventors: Zhijun Yang, Youdun Bai, Xin Chen, Chaoran Chen
  • Patent number: 10666097
    Abstract: A switched reluctance electric machine includes a stator ring having a plurality of stator poles, at least one rotor concentric to the stator ring and including a yoke portion and a plurality of pole portions extending radially from the yoke portion. A plurality of pole flux barriers are embedded in each of the at least one rotor such that a first portion of each of the plurality of pole flux barriers extends radially into a first pole portion in the plurality of pole portions, a second portion of the pole flux barrier extends radially into a second pole portion in the plurality of pole portions, and a third portion of the pole flux barrier passes through the yoke portion and connects the first portion and the second portion of the pole flux barrier.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: May 26, 2020
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Jacek F. Gieras, Gregory I. Rozman
  • Patent number: 10666116
    Abstract: The invention relates to an electric drive, in particular for a vehicle, comprising an electric motor (1) and a power supply (6), the power supply (6) being on the radial outer surface of the electric motor (1), and around the electric motor (1) angularly, in particular over an angle of 360°.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: May 26, 2020
    Assignee: BERGISCHE UNIVERSITAET WUPPERTAL
    Inventors: Stefan Butzmann, Marius Finke
  • Patent number: 10654517
    Abstract: Heat radiation base body 23 that is adjacent to electric motor unit EM and extends in direction of rotation shaft 50 of electric motor is provided close to rotation shaft 50 of electric motor. Board 24 of one electronic control unit of redundant system is fixed to heat radiation base body along direction in which heat radiation base body 23 extends with thermal conduction to heat radiation base body 23 allowed. Board 26 of the other electronic control unit of redundant system is fixed to heat radiation base body so as to face to board 24 of one electronic control unit of redundant system, with thermal conduction to heat radiation base body 23 allowed. Size reduction of electric drive device in radial direction can be achieved. Since heat radiates to housing of electric motor unit through heat radiation base body, heat from board can radiate efficiently to the outside.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: May 19, 2020
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventor: Masao Fujimoto