Patents Examined by Tran N Nguyen
  • Patent number: 10780542
    Abstract: A motor, to which a rotary joint supporting structure is attached, turns a spindle. The motor includes a motor housing, a rotary shaft that is hollow, the flinger that is integrally attached to the rotary shaft outside the motor housing, and a peripheral wall that is provided in the motor housing and projects in the axial direction of a spindle so as to surround the periphery of the flinger. The peripheral wall has cutouts in its side surface so as to establish communication between the interior and exterior of the peripheral wall, to thereby form protrusions projecting in the axial direction of the rotary shaft and an annular top plate portion provided on the distal end of the protrusions.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: September 22, 2020
    Inventor: Yasuyuki Nakazawa
  • Patent number: 10782784
    Abstract: There is described a tactile feedback actuator generally having a hammer path having a length extending between two opposite ends, a coil element fixedly mounted relative to the hammer path, a magnetic hammer guidingly mounted for movement along the hammer path. The magnetic hammer is electromagnetically engageable by a magnetic field emitted upon activation of the coil element so as to be longitudinally slid along the hammer path in any one of two opposite directions depending on a polarity of activation of the coil element. The tactile feedback actuator has at least one electropermanent magnet at at least one of the opposite ends of the hammer path, the electropermanent magnet having a magnetization direction aligned with the length of the hammer path, and at least one state toggling device configured for toggling a state of the electropermanent magnet between a magnetized state and an unmagnetized state.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: September 22, 2020
    Inventor: Timothy Jing Yin Szeto
  • Patent number: 10778052
    Abstract: A synchronous reluctance type rotary electric machine of an embodiment includes a shaft and a rotor core. The shaft rotates around a rotation axis. The rotor core is fixed to the shaft and includes multi-layered hollow parts having a convex shape toward a radially inward side formed for each pole in cross section. Then, when a center in a circumferential direction of one pole is a pole center, a hollow part closest to the shaft among the plurality of hollow parts is a first hollow part, a hollow part positioned next to the first hollow part is a second hollow part, and a hollow part positioned on a side opposite to the first hollow part with respect to the second hollow part is a third hollow part, a width W1 between the first hollow part and the second hollow part on the pole center and a width W2 between the second hollow part and the third hollow part on the pole center are set to satisfy W1?W2.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: September 15, 2020
    Assignees: Toshiba Industrial Products and Systems Corporation, Toshiba Infrastructure Systems & Solutions Corporation
    Inventors: Masaaki Matsumoto, Takashi Araki, Makoto Matsushita, Katsutoku Takeuchi, Toshio Hasebe
  • Patent number: 10778056
    Abstract: A stator of an electrical generator includes a stator core including a plurality of stacked stator laminations and at least one end turn. At least one cooling passage provides a fluid flow path through a portion of the plurality of stator laminations to the at least one end turn. The at least one cooling passage includes at least one radial channel arranged in fluid communication with an axial channel. The at least one cooling passage is formed directly into the portion of the plurality of stator laminations.
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: September 15, 2020
    Inventor: Debabrata Pal
  • Patent number: 10778054
    Abstract: The present disclosure relates to an electric drive motor (101; 201) for a vehicle. The electric drive motor (101; 201) has a stator (103) having a plurality of slots (107); and a rotor (102; 202) having a plurality of poles (106; 206). The poles (106; 206) each have at least a first permanent magnet (104; 204) centred on a d-axis of the pole (106; 206); and a plurality of flux barriers (109; 209) for disrupting at least an n-th order torque harmonic of the electric drive motor (101). Proximal to an outer surface of the rotor (102; 202), a first angular period (x11) between first and secondary flux barriers is defined by the equation (xi1=tao/n1), whereby: (xi1) is the first angular period; (tao) is the pole step; and n1 is an order number of a torque harmonic to be disrupted.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: September 15, 2020
    Inventors: Jose Soler, Alexandros Michaelides, Istvan Kiraly
  • Patent number: 10778078
    Abstract: Disclosed is a voice coil motor, the motor including a mover having a bobbin equipped with a lens and a coil block secured to an outer circumference of the bobbin; a stator having a magnet that is disposed in such a way as to face the coil block; elastic members coupled to a lower end of the bobbin and connected to both ends of the coil block; a base supporting the elastic members and the stator; and a cover can covering the mover, the stator and the base, with an opening being formed in the cover can to expose the lens therethrough, wherein each of the elastic members includes a terminal portion that extends between the cover can and a side surface of the base, the terminal portion including a short-circuit prevention portion so as to inhibit a short-circuit between the terminal portion and the cover can.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: September 15, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Sanghee Lee
  • Patent number: 10763713
    Abstract: An electric motor including: a first and second subsystems, one of which is a magnetic rotor assembly and the other of which is a coil stator assembly; a hub assembly supporting the magnetic rotor assembly and the coil stator assembly and defining an axis of rotation; and a bearing assembly supporting at least one of the first and second subsystems on the hub assembly, wherein the first subsystem has an array of lift-generating elements for generating axially directed magnetic fields, the second subsystem has an electrically conductive region aligned with and opposite to the array of lift-generating elements of the first subsystem, and wherein the bearing assembly enables the magnetic rotor assembly to rotate about the rotational axis of the hub assembly and enables the separation distance of the magnetic rotor assembly from the coil stator assembly to change.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: September 1, 2020
    Assignee: Indigo Technologies, Inc.
    Inventors: Rachel A. Dias Carlson, Scott T. Purchase
  • Patent number: 10762167
    Abstract: Patient data can be used to determine input values to different estimation functions for different treatment types. The estimation functions can each be used to estimate one or more outcome values for the respective treatment. A quality score can be determined using the outcome value(s). A first treatment plan having an optimal quality score can be identified, e.g., by displaying the treatment plans with the quality scores, which may correspond to the outcome values.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: September 1, 2020
    Assignee: Varian Medical Systems International AG
    Inventors: Joona Hartman, MarĂ­a Isabel Cordero Marcos, Esa Kuusela, Jarkko Yrjana Peltola, Janne Ilmari Nord
  • Patent number: 10760575
    Abstract: Disclosed herein is an electric compressor having an electrical connection unit. The electric compressor may include: a compression unit configured to compress working fluid; an electrically-driven unit configured to drive the compression unit, and including a stator fixed in an inner surface of a housing, and a rotor rotatably disposed inside the stator; the housing including a partition provided to define a space in which the electrically-driven unit is received; a plurality of electrical connection pins connected electrically to the electrically-driven unit, and disposed through the partition in a longitudinal direction of the housing; and a controller disposed on a rear surface of the partition.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: September 1, 2020
    Assignee: Hanon Systems
    Inventors: Jeong Ki Seo, Il Young Park, Kyung Jae Lee
  • Patent number: 10756591
    Abstract: Provided is a motor including a shaft; two rotors attached to the shaft and spaced from each other in an axial direction by a predetermined distance; a stator arranged between the two rotors; a busbar unit arranged on one axial side of at least one of the two rotors, and arranged to hold a busbar; and a housing arranged to hold the stator and house the two rotors therein. The stator includes a plurality of cores arranged in a circumferential direction, and coils wound around the cores. A lead wire drawn out from the coils is arranged to extend, radially outside of the one of the rotors, from the corresponding core to a position on the one axial side of the one of the rotors, and is connected to the busbar at the position. The busbar unit is housed in the housing.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: August 25, 2020
    Inventors: Yusuke Makino, Yoshiki Kawai, Keisuke Morita, Guo Jhih Yan, Hsiu Ying Lin
  • Patent number: 10756589
    Abstract: A motor coil includes a magnet structure, and a laminated coil substrate formed on the magnet structure and including coil substrates and adhesive layers alternately laminated. The coil substrates are formed by folding a printed wiring board including a resin substrate, a first conductor layer formed on a first surface of the resin substrate and forming coils, and a second conductor layer formed on a second surface on the opposite side with respect to the first surface and forming coils, and the adhesive layers include an adhesive layer including a magnetic sheet.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: August 25, 2020
    Assignee: IBIDEN CO., LTD.
    Inventors: Haruhiko Morita, Shinobu Kato, Hitoshi Miwa, Hisashi Kato, Toshihiko Yokomaku
  • Patent number: 10749415
    Abstract: Provided is a motor device that prevents an increase in size in the radial direction of a motor while providing redundancy in controlling driving of the motor. A motor device includes: a motor including a motor shaft; a first control board on which a first power circuit and a first control circuit are mounted in combination, and a second control board on which a second power circuit and a second control circuit are mounted in combination, as control boards constructing a circuit that controls driving of the motor; and a housing that accommodates the motor and the control boards together. Each of the control boards is disposed to cross a radial direction that is orthogonal to an axial direction of the motor.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: August 18, 2020
    Inventor: Yuto Sato
  • Patent number: 10749448
    Abstract: A device may include a primary electrode, a secondary electrode overlapping at least a portion of the primary electrode, and an electroactive polymer element disposed between and abutting the primary electrode and the secondary electrode. The electroactive polymer element may include a nanovoided polymer material whereby resistance to deformation of the electroactive polymer element is non-linear with respect to an amount of deformation of the electroactive polymer element. Various other devices, method, and systems are also disclosed.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: August 18, 2020
    Assignee: Facebook Technologies, LLC
    Inventors: Jack Lindsay, Katherine Marie Smyth, Thomas John Farrell Wallin, Andrew John Ouderkirk, Tanya Malhotra, Austin Lane, Christopher Yuan Ting Liao, Yigit Menguc
  • Patent number: 10742088
    Abstract: A support assembly for supporting a rotating body may include first and second supports defining first and second longitudinal support axes and configured to support the rotating body, such that the rotating body is rotatable relative to the first and second supports. A rotation axis about which the rotating body rotates may be transverse to the first and second longitudinal support axes. The support assembly may also include a spine coupled to the first and second supports. The support assembly may also include a motor associated with at least one of the first or second supports and configured to supply torque to rotate the rotating body. At least one of the spine, the first support, or the second support may define a recess configured to receive at least one of an electrical conductor or a data signals link associated with operation of the rotating body.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: August 11, 2020
    Assignee: Panosense Inc.
    Inventors: Adam Berger, Brian Pilnick
  • Patent number: 10734848
    Abstract: Magnetic cores and method and fixtures for forming the same are disclosed. The magnetic core may comprise a magnetic body including magnetic grains and a magnetic flux path, the magnetic grains aligned in a plurality of distinct directional alignments to conform to the magnetic flux path. The grain orientation of the cores may be provided by fixtures including electrical circuits and/or permanent magnets. The fixtures may be configured to produce magnetic fields that approximate, mimic, or correspond to a magnetic flux path in the magnetic core, once it is consolidated and in use. The magnetic fields may orient the grains of the magnetic core when they are in an unconsolidated state, such that the grains are aligned in a plurality of directional alignments that approximate, mimic, or correspond to a magnetic flux path in the magnetic core.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: August 4, 2020
    Inventors: Michael W. Degner, Feng Liang, C Bing Rong
  • Patent number: 10720821
    Abstract: A direct drive rotary generator formed of an elongate cylindrical series of stator annuli and a coaxial elongate cylindrical series of armature annuli and mounted for relative rotational movement around their common axis, the series of stator annuli interleaving the series of armature annuli, and either of the armature/stator annuli having a contiguous or substantially contiguous sequence of coils around its circumference, and the other of the armature/stator annuli having a corresponding sequence of permanent magnets of alternating polarity spaced around its circumference and at the same pitch as that of the coils, the arrangement being such that lines of magnetic flux passing across the air gap between one magnet carrying annulus to the next cut the turns of the coils of the corresponding interleaved coil carrying annulus, and thus induce in the coils electromagnetic forces as the armature is caused to rotate relative to the stator.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: July 21, 2020
    Inventor: Hugh-Peter Granville Kelly
  • Patent number: 10707717
    Abstract: A stator according to an embodiment includes a stator core that includes a plurality of teeth that extend from a ring-shaped body part in one radial direction thereof, an insulator that covers the plurality of teeth from both sides in an axial direction of the stator core, a coil that is wound around each of the plurality of teeth via the insulator, a terminal block part that extends from the insulator in a radial direction opposite to the one radial direction, includes a plurality of terminals with a terminal end of a winding wire that composes the coil being bound to one end thereof, and is formed integrally with the insulator, and a connector housing that includes a connection part for the terminal block part, stores another end of each of the plurality of terminals, and is connected to an external connector.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: July 7, 2020
    Inventor: Naohiro Yamada
  • Patent number: 10707708
    Abstract: The present invention provides a rotor core, which comprises a plurality of grooves formed at the same interval along the circumferential direction, wherein the number of the grooves is an integer multiple of the least common multiple of commonly used pole number.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: July 7, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Myoung Seok Lee
  • Patent number: 10707712
    Abstract: A rotor in a rotating electric machine including a rotor main body and at least one magnet unit provided at an outer circumferential part of the rotor main body. The magnet unit has a plurality of magnet teeth as segments in the circumferential direction. The plurality of magnet teeth that form one magnet unit are arranged in a circular arc shape. At least one pair of magnet teeth in one magnet unit is each provided with a notch. With the plurality of magnet teeth being arranged in the circular arc shape, a fixation block is press-fitted in the pair of notches. The fixation block is fastened to the rotor main body while being inserted in the notches.
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: July 7, 2020
    Inventors: Takashi Umeda, Hiroki Kitani, Junka Okamoto
  • Patent number: 10697376
    Abstract: A switched reluctance motor is disclosed. The switched reluctance motor includes a rotor, a stator, an air gap between the stator and the rotor, and a plurality of conductive elements. The plurality of conductive elements are disposed on the rotor.
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: June 30, 2020
    Inventor: Mohammadali Abbasian