Patents Examined by Dang D. Le
  • Patent number: 10855131
    Abstract: An assembly for an electric machine including a core with a plurality of teeth extending radially inward from the core, the plurality of teeth defining a plurality of slots for receiving coils, a plurality of coils, each coil wrapping around a respective tooth, a separator in one of the slots including a first leg joined at an angle to a second leg for separating adjacent coils within the slot, an insert between the first leg and the second leg for at least partially filling a space between the first leg and the second leg, and a potting filling space within the slot between the separator, the plurality of coils, and the insert.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: December 1, 2020
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Joseph Kenneth Coldwate, Andreas C. Koenig
  • Patent number: 10855149
    Abstract: A starter includes a motor configured with a direct current motor. The direct current motor has a brush and a commutator. The brush is a sintered material formed of graphite and a copper powder. The commutator is formed of either copper or a copper alloy that has a copper content of 99% or more. A surface of is a sliding portion of the commutator which has sliding movement with the brush is provided with a graphite cover-layer that contains graphite as a main component. The graphite cover-layer contains a hard compound which has a Vickers hardness higher than 10 GPa and a metal sulfide solid lubricant.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: December 1, 2020
    Assignee: DENSO CORPORATION
    Inventors: Takashi Hirabayashi, Taro Fukuda
  • Patent number: 10840790
    Abstract: A vibration power generator includes a coil attached to a frame and a moving body that is supported on the frame through a spring and has a magnet facing the coil, and relatively moves the moving body with respect to the coil to generate electric power. The moving body has the magnet, a yoke material that is attached to the magnet and forms a magnetic circuit, and a weight member. Average specific gravity of the moving body is 8 g/cm3 or more.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: November 17, 2020
    Assignee: FUTABA CORPORATION
    Inventor: Shotaro Kudo
  • Patent number: 10840755
    Abstract: A rotating electric machine includes a stator having a stator coil and a rotor provided rotatably around a specific rotation axis with respect to the stator. The rotor includes a plurality of magnets, a plurality of magnetically-assisted salient pole members provided between poles of any adjacent two magnets from among the plurality of magnets, and a magnetoresistance variation unit provided in the magnetically-assisted salient pole member along an axial direction of the rotation axis at a position offset in a circumferential direction of the rotation axis from a q-axis passing through a salient pole center of the magnetically-assisted salient pole member. The amount of offset of the magnetoresistance variation unit from the q-axis varies depending on positions of the magnetically-assisted salient pole members so that torque fluctuations cancel each other when power is applied.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: November 17, 2020
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Yasuyuki Saito, Tsuyoshi Goto, Kenichi Nakayama, Noriaki Hino, Shinji Sugimoto
  • Patent number: 10837492
    Abstract: An axially compliant rolling bearing for precision motion stages having a stage, at least one bearing member slidably disposed along a rail, and a compliant joint interconnecting the at least one roller bearing to the stage. The compliant joint is sufficiently compliant to permit movement of the stage in the axial direction while remaining stiff in other directions orthogonal to the axial direction.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: November 17, 2020
    Assignee: THE REGENTS OF THE UNIVERSITY OF MICHIGAN
    Inventors: Chinedum E. Okwudire, Deokkyun D. Yoon, Xin Dong
  • Patent number: 10833549
    Abstract: In the armature winding of a rotary electric machine, in a series coil portion group, the numbers of turns of conducting wire in the coil portions that have an electrical angular phase difference of ?k that satisfies ?1<?k?m are different than the numbers of turns of conducting wire in the ?1 and ?m coil portions, and are also different than the numbers of turns of conducting wire in the coil portions that are adjacent to the ?k coil portions on two sides in a circumferential direction of the stator core, and phases of the ?k coil portions are also different than phases of each of the coil portions that are adjacent to the ?k coil portions on the two sides in the circumferential direction.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: November 10, 2020
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Kodai Okazaki, Masatsugu Nakano, Kazumasa Ito, Yu Hirotani, Hiroko Ikeda, Koji Kawamura
  • Patent number: 10833563
    Abstract: A totally-enclosed fan-cooled motor, including a stator provided in a closed motor housing, a rotor provided to the stator and mounted to a rotation shaft, a pair of bearings for holding a drive side and a non-drive side of the shaft, an external fan provided on the non-drive side of the shaft and outside the motor for sending wind to the motor housing, an air deflector mounted to an endplate disposed on the drive side located on an outer side of the bearing and the endplate holding the drive side of the shaft, outside the motor and proximal the bearing for cooling the bearing holding the drive side of the shaft. The air deflector includes a plurality of faceted surfaces at obtuse angles to one another about a periphery of the air deflector to deflect wind across the endplate and the drive side bearing.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: November 10, 2020
    Assignee: ABB Schweiz AG
    Inventors: Christopher A. Stockton, Stephen Douglas Browne
  • Patent number: 10833562
    Abstract: A segment plate for a stator lamination assembly of a generator of a wind turbine, and a base plate in the form of a ring segment, wherein the segment plate has a first radial portion in which recesses are provided for receiving a stator winding and radially adjacent to the first radial portion a second radial portion forming a segment of a magnetic yoke of the generator. In particular adjacent to the second radial portion the segment plate has a third radial portion forming a segment of a stator carrier structure of the generator and which in particular is adapted in conjunction with the third radial portions of further segment plates to form the stator carrier structure of the generator. A stator lamination assembly, a generator and a wind turbine, each having such segment plates.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: November 10, 2020
    Assignee: Wobben Properties GmbH
    Inventor: Jochen Röer
  • Patent number: 10821821
    Abstract: A vehicle transaxle includes a housing, an electric machine stator, a plurality of mounting plates, and a first set of fasteners. The housing has internal walls that define a cavity and an access opening to the cavity. The electric machine stator is disposed within the cavity between a first of the internal walls and the opening. The plurality of mounting plates secures a first longitudinal end of the stator to the housing proximate the opening. Each fastener of the first set of fasteners extends through one of the mounting plates, through the stator, and engages the first of the internal walls to secure a second longitudinal end of the stator to the first of the internal walls.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: November 3, 2020
    Assignee: Ford Global Technologies, LLC
    Inventors: Siraj Siddiqui, Cyrille Goldstein, Michael Coury, William David Guarino
  • Patent number: 10826337
    Abstract: A collar is provided on the outer periphery of a rotor shaft and is integrated with a cylindrical member through apertures penetrating the outer wall of the rotor shaft.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: November 3, 2020
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventor: Makoto Yamauchi
  • Patent number: 10826341
    Abstract: A rotor of a motor apparatus may include: a shaft; a first core part including a first press-fit ring into which the shaft is press-fitted and a plurality of first cores arranged along the circumferential direction of the first press-fit ring so as to support magnets; a second core part including a plurality of second cores arranged along the circumferential direction of the shaft so as to face the first cores; and a third core arranged inside the second cores, and installed to support the first press-fit ring.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: November 3, 2020
    Assignee: Hyundai Mobis Co., Ltd.
    Inventors: Jae Woo Jung, Hyung Il Park
  • Patent number: 10811927
    Abstract: An electric motor built for exposure to high pressure fluid includes a unitary metal sleeve that provides a fluid barrier between the rotor and the stator. An overmolded resin encapsulates the stator windings and reinforces the sleeve to minimize deformation of the sleeve under high fluid pressures. The overmolded resin also fixes the positions of insulation displacement connectors connected to the stator windings, thereby avoiding mechanical brackets and fasteners for holding the insulation displacement connectors in position.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: October 20, 2020
    Assignee: Moog Inc.
    Inventors: Matthew Allen Carroll, Lee L. Snider, Mohammad Khandan-Barani, Ronald G. Flanary, Allen Duncan, Travis S. King
  • Patent number: 10804779
    Abstract: The present invention provides a multi-rotor permanent magnet synchronous motor, wherein the motor (100) includes a motor shaft (3) and the main mechanism (1) and the auxiliary mechanism (4) sleeved on the motor shaft (3) in turn which work in parallel; the auxiliary mechanism (4) includes a one-way bearing body (41) sleeved on the motor shaft (3) and auxiliary rotor components (40) sleeved on the one-way bearing body (41). The multi-rotor permanent magnet synchronous motor in the present invention does not need a gear box to drive, and the energy consumption is low. Besides, through the coordinative work of the main structure and the auxiliary mechanism, different torques can be output, so as to output different speeds.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: October 13, 2020
    Assignee: GAM SHINE TECHNOLOGY CO., LIMITED
    Inventors: Kenny Chen, Huiming Zhang
  • Patent number: 10804761
    Abstract: The present disclosure provides a rotor mechanism includes a rotor core and a plurality of rotor bars. The rotor core has a plurality of insertion slots arranged along an edge of the rotor core. Each of the plurality of rotor bars has an insertion portion and two protruding portions. The insertion portions are respectively located in the plurality of insertion slots, wherein in each of the plurality of rotor bars, the two protruding portions are respectively connected to two opposite ends of the insertion portion and respectively protrude from two opposite sides of the rotor core, and the two protruding portions each has an extension direction, that has an angle with respect to an extension direction of the insertion portion, in order to clamp and fix the rotor core therebetween. In addition, the present disclosure also provides a method for manufacturing the rotor mechanism.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: October 13, 2020
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yu-Hsun Wu, Ming-Mao Hsu, Yu-Yuan Chen
  • Patent number: 10794465
    Abstract: There is provided an electric actuator in which a speed reduction mechanism and an output portion are disposed adjacent to each other in a radial direction in an opening portion of a housing main body, a cover member has a speed reduction mechanism cover which faces and surrounds the speed reduction mechanism, an output portion cover which faces and surrounds the output portion, and a constricted portion which connects the speed reduction mechanism cover and the output portion cover, the cover member is fixed to the housing main body by a plurality of caulking portions provided on a side wall portion, and, between two adjacent caulking portions interposing the constricted portion therebetween, one of the two caulking portions of the speed reduction mechanism cover is fixed toward a central axis of the speed reduction mechanism, and the other is fixed toward a central axis of the output portion.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: October 6, 2020
    Assignee: NIDEC TOSOK CORPORATION
    Inventors: Yutaka Uematsu, Kazumi Shinkai, Shun Kato, Shuichi Kinjo, Kohei Osuga, Tadayuki Hatsuda
  • Patent number: 10797546
    Abstract: An electric machine having a rotor with a rotor core formed out of magnetically permeable material and defines a plurality of poles. Each pole includes a plurality of discrete axially extending magnet slots with at least one permanent magnet in each magnet slot. Each pole has a radial centerline and includes a plurality of voids defined by the rotor core. For each pole the magnet slots include at least one central magnet slot and two outer magnet slots, the outer magnet slot are positioned on opposite circumferential sides of the radial centerline of the pole and are at least partially positioned radially outwardly of a radially outermost edge of the at least one central magnet slot. Each of the plurality of voids is spaced from each of the magnet slots and positioned circumferentially between the outer magnet slots and radially outwardly of the at least one central magnet slot.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: October 6, 2020
    Assignee: BorgWarner Inc.
    Inventor: Seong Taek Lee
  • Patent number: 10797560
    Abstract: A vehicle transmission includes a housing, an electric machine, a bracket, and a plurality of fasteners. The housing has internal rear and internal side walls that define a cavity. The electric machine stator and the bracket are disposed within the cavity. The bracket has a metallic inner ring and an elastomer outer ring. The elastomer outer ring engages the internal side wall. The electric machine stator is disposed between the bracket and the internal rear wall. The plurality of fasteners extends through the metallic inner ring, through the stator, and engages the rear internal wall to secure the stator to the housing.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: October 6, 2020
    Assignee: Ford Global Technologies, LLC
    Inventors: Siraj Siddiqui, Cyrille Goldstein, William David Guarino, Michael Coury
  • Patent number: 10797554
    Abstract: An actuator includes a controller, a motor and a sensor device. The controller includes a housing, and the motor includes a rotor, and the rotor includes a rotating shaft. The motor is mounted on the outside of the housing, and the sensor device includes a magnet and a sensor, the magnet is mounted on the rotating shaft of the motor, and the sensor is mounted inside the housing. The actuator has a good waterproof performance and anti-interference ability. This disclosure also relates to an electronic clutch system having the actuator.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: October 6, 2020
    Assignee: JOHNSON ELECTRIC INTERNATIONAL AG
    Inventors: Kai Wu, Jian Dong, Jun Fu
  • Patent number: 10797548
    Abstract: An electric motor includes a rotor, a stator for rotationally driving the rotor and a rotor carrier hub for supporting the rotor on an outer circumferential surface thereof. The rotor carrier hub includes a groove on the outer circumferential surface. The electric motor also includes a clamping ring configured for holding the rotor axially in place on the rotor carrier hub. The clamping ring being fixed on the outer circumferential surface of the rotor carrier hub by at least one inner radial protrusion of the clamping ring extending into contact with the rotor carrier hub in the groove.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: October 6, 2020
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Matthew Payne, Markus Steinberger
  • Patent number: 10778075
    Abstract: The present disclosure discloses a linear vibration motor. The linear vibration motor includes a base, a vibrating unit disposed in the base, an elastic member for suspending the vibrating unit in the base and a coil. The vibrating unit includes a mass block, a first magnet steel and a second magnet steel received in the mass block, there are two second magnet steels separately disposed on two opposite sides of the first magnet steel. The coil includes a first coil and a second coil that are insulated from each other, and the driving force generated by the first coil can drive the first magnet steel to vibrate along a first direction, while the driving force generated by the second coil can drive the second magnet steel to vibrate along a second direction, wherein the first direction is perpendicular to the second direction.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: September 15, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Lubin Mao, Yun Tang