Patents Examined by Eric Johnson
  • Patent number: 11641147
    Abstract: The present disclosure is related to providing a motor capable of removing electric noise sufficiently. The present disclosure is also related to providing a motor capable of handling cases where no choke coil is disposed. A motor comprising a choke coil, a terminal electrically connected to a lead wire led out from the choke coil, and a bracket including a first wall part, a second wall part and an elastic part located between the first wall part and the second wall part in an axial direction of the choke coil, in which the choke coil is located between the elastic part and the second wall part in the axial direction, the terminal is sandwiched between the first wall part and the elastic part in the axial direction and the lead wire is led out from the elastic part side to the first wall part side.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: May 2, 2023
    Assignee: MINEBEA MITSUMI Inc.
    Inventor: Masami Ota
  • Patent number: 11637474
    Abstract: A throughflow motor assembly includes a motor assembly having a rotatable shaft and a housing with a motor assembly mounted to one end and a housing opening therethrough. A fan assembly is rotated by the rotatable shaft and received in the housing at an end opposite the motor assembly. The housing includes a partition which partitions the fan assembly and the motor assembly from one another, and includes at least one centrally located flow passage extending therethrough. The fan assembly draws air over the motor assembly, through the housing opening and at least one centrally located flow passage, and then into the fan assembly which exhausts the air.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: April 25, 2023
    Assignee: Ametek, Inc.
    Inventors: David B. Finkenbinder, Robert A. Ciccarelli, Jr.
  • Patent number: 11637467
    Abstract: A rotor for an electric machine includes a core comprised of stacked laminations that define pockets between a hub portion and a pole portion. Each of the pockets are configured to receive magnetic material and define center cavities between regions of magnetic material to eliminate a flux leakage path between the magnetic materials. A cured mixture including an epoxy and a magnetic powder is disposed within the center cavities. The magnetic material may include sintered magnets and a cured mixture.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: April 25, 2023
    Assignee: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Franco Leonardi, Chuanbing Rong, Chun Tang, Wanfeng Li, Michael W. Degner
  • Patent number: 11634168
    Abstract: A motor includes a rotor including an axially extending shaft, a stator, a housing, a heat sink disposed axially above the stator, a board fixed axially above the heat sink, a connector disposed radially outside the housing, and a connector pin accommodated in the connector. The heat sink includes a main body, and a protrusion which is continuous with the main body, the protrusion extending radially outward of the housing. The connector, the protrusion, and the board overlap in this order when viewed from axially below. The connector pin is positioned radially outside the protrusion.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: April 25, 2023
    Assignee: NIDEC CORPORATION
    Inventors: Takashi Hattori, Toshiya Okamoto, Takanobu Oyama
  • Patent number: 11637477
    Abstract: Example aspects of a rotating machine, a method for pre-loading a rotating machine, and a method for using a rotating machine are disclosed. The rotating machine can comprise a stator; a rotor, wherein one of the stator and the rotor comprises a mounting flange formed monolithically therewith; a bearing directly mounted to the mounting flange; and the other of the stator and the rotor directly mounted to the bearing.
    Type: Grant
    Filed: January 2, 2019
    Date of Patent: April 25, 2023
    Inventor: Joseph Gentile
  • Patent number: 11637476
    Abstract: An elastic bush and an electric motor using the elastic bush are proposed. The elastic bush includes a bush body having in a central portion thereof a coupling hole into which a rotating shaft is inserted, a circular separation plate spaced apart from an end of the bush body in an extending direction of the rotating shaft and coming into close contact with a neighboring associated component, and a plurality of connecting legs each connected at both ends thereof to the bush body and the separation plate, and elastically deformed to vary a relative distance between the bush body and the separation plate. An entire length of the elastic bush is varied through elastic deformation. Therefore, a gap between two components located on both sides of the elastic bush, such as a front bush and an armature assembly, may be more effectively reduced.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: April 25, 2023
    Assignee: KEYANG ELECTRIC MACHINERY CO., LTD.
    Inventors: Hoe Cheon Kim, Young Cheol Kim
  • Patent number: 11632013
    Abstract: A control device includes a first substrate provided with a chip electronic component; a second substrate having a surface provided with electronic components including a tall component taller than the chip electronic component, the surface of the second substrate facing a surface of the first substrate that is provided with the chip electronic component; and a heat sink disposed between the first substrate and the second substrate. The heat sink includes a component receiving portion and a heat dissipation portion, the component receiving portion being configured to receive the tall component, the heat dissipation portion being configured to perform heat exchange between the first substrate and the second substrate, and the component receiving portion and the heat dissipation portion being provided so as not to overlap with each other as viewed in a facing direction in which the first substrate and the second substrate face each other.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: April 18, 2023
    Assignee: JTEKT CORPORATION
    Inventors: Yuki Hayashi, Yuto Sato
  • Patent number: 11632008
    Abstract: An arrangement structure of wiring member for rotating electrical machine is configured in such a manner that a wiring member for rotating electrical machine including a plurality of conductive wires and connecting coil ends of a stator to electrodes of a terminal block in a rotating electrical machine is arranged on an arranging target member. The wiring member for rotating electrical machine includes a holding portion including a molded resin so as to cover all the plurality of conductive wires together and holds the plurality of conductive wires. A cushioning member comprising an elastic body is provided between the holding portion and the arranging target member. The holding portion is arranged on the arranging target member via the cushioning member.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: April 18, 2023
    Assignee: HITACHI METALS, LTD.
    Inventors: Jun Umetsu, Noriyuki Takahashi, Takahiro Futatsumori
  • Patent number: 11626779
    Abstract: In some embodiments, two or more different types of stator structures may be disposed within a gap of an axial flux machine. Such arrangements may be advantageous, for example, for producing a machine optimized for multiple modes of operation, such as mechanical torque generation, conversion of mechanical torque to electrical power, and/or dissipation of mechanical power. Further, in some embodiments, an axial flux machine may include a planar stator having a winding arranged to be positioned within the machine's active region, and may further include at least one switch configured to be selectively closed to establish an electrical connection between respective ends of the winding at a time that the winding is not coupled to an external power source.
    Type: Grant
    Filed: February 14, 2022
    Date of Patent: April 11, 2023
    Inventors: Steven Robert Shaw, George Harder Milheim
  • Patent number: 11608868
    Abstract: An electronic brake motor structure includes a lower housing coupled to a block; a ball screw installed in the center inside the housing and block; a nut member into which the ball screw penetrates to be coupled therewith; a piston coupled to an outer side of the nut member; a hollow shaft coupled to an outer side of a lower part of the piston; a rotor module including a rotor and a magnet, coupled to an outer side of the hollow shaft; a stator module coupled to an outer side of the rotor module; an upper bracket for mounting a first bearing to thereinside; a driven shaft, coupled to an upper part of the ball screw to support the ball screw; a joint member coupled to a bottom of the ball screw with a mounting bolt to support the ball screw and a fourth bearing.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: March 21, 2023
    Assignee: BMC CO., LTD.
    Inventors: Ok Yun Kim, Kea Ho Lee, Haeng Chul Sin
  • Patent number: 11606004
    Abstract: The disclosure relates to a self-cooling motor and a hot-air-circulation device using the same. The self-cooling motor includes a housing, a stator assembly, a rotor assembly and an impeller. The housing includes a sleeve and a bottom plate. The sleeve has a first end and a second end opposite to each other. The bottom plate is disposed adjacent to the first end and forms an inlet facing a radial direction. The rotor assembly coupled to the stator assembly includes a shaft extending outside the housing along an axial direction. The impeller is fixed to the shaft and is adjacent to the second end to form an outlet facing the radial direction. When the shaft drives the impeller to rotate, the airflow enters through the inlet and is discharged from the outlet in the radial direction.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: March 14, 2023
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Hou-Chu Chen, Yueh Hsiung, Kun-Chou Lee, Chin-Chu Hsu
  • Patent number: 11601069
    Abstract: An electrostatic machine includes a drive electrode and a stator electrode. The drive electrode and the stator electrode are separated by a gap and form a capacitor. The drive electrode is configured to move with respect to the stator electrode. The electrostatic machine further includes a housing configured to enclose the drive electrode and the stator electrode. The stator electrode is fixed to the housing. The electrostatic machine also includes a dielectric fluid that fills a void defined by the housing, the drive electrode, and the stator electrode. The dielectric fluid includes an ester.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: March 7, 2023
    Assignee: C-Motive Technologies, Inc.
    Inventors: Graham T. Reitz, William D. Butrymowicz, Justin K Reed, Daniel C. Ludois
  • Patent number: 11594924
    Abstract: A stator core is integrally moulded with an insulator employing an insulating resin material, together with a fixed shaft which is inserted into a centre hole in a core back portion, and the stator core and a motor circuit board are assembled as a single piece by mating a plurality of circuit board insertion pieces protruding on an axial end of the insulator on the opposite side to an output end with circuit board insertion holes.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: February 28, 2023
    Assignee: SHINANO KENSHI KABUSHIKI KAISHA
    Inventors: Shou Tomiyama, Makoto Aida, Mario Fiorucci, Andreas Furrer, Stefan Wildhaber
  • Patent number: 11588372
    Abstract: An electrical drive unit has a housing having a metal pole housing, which accommodates a stator and a rotor, and a separately produced electronic housing which axially adjoins the pole housing and accommodates an electronic unit. At least one contact element is integrated inside the electronic housing and forms, via at least one ground pin, an electrically conductive connection between the electronic housing and the pole housing to establish a ground connection. An open flange and a cylindrical circumferential wall are formed on the pole housing, against which circumferential wall the at least one ground pin radially bears in a resilient manner, and the at least one ground pin has a side surface facing the circumferential wall, wherein a bearing contour is formed on the side surface and bears against the circumferential wall only in an approximately punctiform manner with respect to an axial direction and/or a circumferential direction.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: February 21, 2023
    Assignee: Robert Bosch GmbH
    Inventors: Eric De La Chaux, Fengmei Cheng, Helmut Meier, Jan Wilhelm
  • Patent number: 11581766
    Abstract: A drive motor includes a stator having an accommodating space and a rotor rotatably provided in the accommodating space and rotated by a magnetic interaction with the stator, wherein the rotor includes a rotor core into which a magnetic member is inserted and first and second flux barriers formed to penetrate through the rotor core and extending along a circumferential direction of the rotor core from both sides of the magnetic member, wherein a length of the first flux barrier and a length of the second flux barrier are different from each other.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: February 14, 2023
    Assignee: LG Electronics Inc.
    Inventors: Woogyong Yim, Jehoon Kim, Ochang Gwon, Kyoungjun Park
  • Patent number: 11581763
    Abstract: A core piece that is circularly arranged to construct a stator core of an axial gap type rotary electric machine includes: a first member in a column form extending in an axial direction of the stator core; a second member in a plate form disposed on a first end side of the axial direction in the first member; and a third member in a plate form disposed on a second end side of the axial direction in the first member, the first member has a peripheral surface connecting with the second member and the third member, the second member has a protruding portion projecting outwardly from the peripheral surface of the first member, the third member has a protruding portion projecting outwardly from the peripheral surface of the first member, and the first member, the second member, and the third member are configured by an integrally molded green compact.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: February 14, 2023
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO ELECTRIC SINTERED ALLOY, LTD.
    Inventors: Tatsuya Saito, Tomoyuki Ueno
  • Patent number: 11563358
    Abstract: A rotary actuator for use in a shift-by-wire system of a vehicle includes a motor, a controller for controlling the motor, and a case housing the motor and the controller. An upper case of the case includes a resin molded body, which integrally has a housing that houses the motor and a connector that is used for external connection, and a plurality of external connection terminals, which are embedded in the resin molded body and are capable of connecting the controller to an outside member. Each of the external connection terminals includes a base protruding into an installation space for a control board in a board extending direction, a bend bent from the base toward the control board, and a tip portion extending from the bend to the control board.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: January 24, 2023
    Assignee: DENSO CORPORATION
    Inventors: Mikine Kume, Hiroyuki Kado
  • Patent number: 11563361
    Abstract: A coreless rotating electrical machine for being operated continuously comprises a stator including an energizable coreless cylindrical coil and a lid-type mount; and a rotor including a cup-type mount. The lid-type mount is equipped with a channel for supplying a refrigerant liquid to the air gap. The coreless rotating electrical machine is operated continuously by supplying the refrigerant liquid into the air gap, allowing the cylindrical coil, which generates heat, to vaporize the refrigerant liquid, cooling the cylindrical coil by latent heat of vaporization, and repeating an operation of supplying the refrigerant liquid to prevent a temperature of the cylindrical coil exceeding an allowable maximum temperature, and an operation of adjusting the supply of the refrigerant liquid to prevent the temperature of the cylindrical coil falling below a minimum temperature, so as to maintain the temperature in a range between the allowable maximum and minimum temperatures.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: January 24, 2023
    Assignee: M-LINK CO., LTD.
    Inventors: Manabu Shiraki, Shuichi Omomo
  • Patent number: 11557936
    Abstract: A motor includes a wire support member that includes a wire holding portion that holds one portion of coil lead wires among the coil lead wires extending upward from a coil, a first conducting member that electrically connects the other portion of the coil lead wires to each other, and a main body portion that supports the wire holding portion and a first conducting member, a bus bar unit includes a second conducting member connected to the coil lead wire held by the wire holding portion, and a bus bar holder that holds the second conducting member, and a bearing holder includes a through-hole which penetrates the bearing holder in an axial direction and through which a coil end of the coil lead wire or the second conducting member passes.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: January 17, 2023
    Assignee: NIDEC CORPORATION
    Inventors: Kosuke Ogawa, Takashi Hattori, Shunsuke Murakami, Takao Atarashi, Hidehiro Haga
  • Patent number: 11552525
    Abstract: A rotating electrical machine such that a power supply unit can be efficiently cooled, with no increase in size in an axial direction of the rotating electrical machine, is provided. A rotating electrical machine main body and a power supply unit are integrally fixed, and a refrigerant passage is provided on the rotating electrical machine main body side of a metal frame configuring the power supply unit. The refrigerant passage and a control part that controls power supplied to the rotating electrical machine main body are disposed in the same plane in an axial direction of the rotating electrical machine main body, and the refrigerant passage is disposed farther to a radial direction outer side of the rotating electrical machine main body than the control part.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: January 10, 2023
    Assignee: Mitsubishi Electric Corporation
    Inventors: Jun Tahara, Takashi Hashiba, Satoshi Mitsunaga, Hiroyuki Higashino, Mitsunori Ishizaki, Toshiaki Kashihara, Tadashi Murakami, Yoshinobu Utsumi