Patents Examined by Quyen Leung
  • Patent number: 9843232
    Abstract: A rotary electric machine includes a three-phase coil including a first phase coil, a second phase coil, and a third phase coil for magnetic flux generation. A bridge conductor connecting an ath end and a bth end of the first phase coil, and a bridge conductor connecting the ath end and the bth end of the third phase coil are provided in a protruding shape on one side of a stator in a radial direction when viewed in a axial direction of the stator. A bridge conductor connecting the ath end and the bth end of the second phase coil is provided in a protruding shape on the other side of the stator in the radial direction when viewed in the axial direction of the stator. The bridge conductor of each coil in the three-phase coil is arranged at the same height position in the axial direction.
    Type: Grant
    Filed: June 5, 2014
    Date of Patent: December 12, 2017
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Takumi Shibata, Yoshihisa Matsuoka
  • Patent number: 9831747
    Abstract: A motor-driven compressor includes a metal housing accommodating a compression unit and an electric motor and a cover coupled to the housing. The cover and the housing define an accommodation chamber that accommodates a motor driving circuit that drives the electric motor. The cover includes a metal shield that blocks electromagnetic noise, a resin outer insulator that is fixed to an outer side of the shield and includes an outer circumferential portion, and a resin inner insulator that is fixed to an inner side of the shield and includes an outer circumferential portion. The shield, the outer insulator, and the inner insulator are separate from one another and stacked together. The shield is held between the outer insulator and the inner insulator. The outer circumferential portion of the outer insulator is joined to the outer circumferential portion of the inner insulator.
    Type: Grant
    Filed: August 20, 2014
    Date of Patent: November 28, 2017
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Yusuke Kinoshita, Ken Suitou, Tatsushi Mori, Kazuhiro Kuroki, Tatsuya Koide, Junya Yano, Takuro Mizuno
  • Patent number: 9831728
    Abstract: An electric motor includes a yoke having a cylindrical section, two pairs of permanent magnets disposed at an inner circumferential surface of the cylindrical section to oppose each other, and an armature rotatably supported further inside in a radial direction than the permanent magnets, wherein at least a pair of first flat sections opposing each other in the radial direction are formed at the cylindrical section, and the permanent magnets are disposed at positions distant from the first flat sections.
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: November 28, 2017
    Assignee: Mitsuba Corporation
    Inventors: Yoshichika Kawashima, Teppei Tokizaki, Naoki Kojima
  • Patent number: 9825498
    Abstract: An armature including a core that includes plural teeth extending in a radial shape, and that has a slot formed between each of the plural teeth; a plurality of first winding coil sections formed by winding coil wire plural times spanning different respective sets of least two of the teeth, while shifting by one slot each time toward one side in the circumferential direction of the core; and a plurality of second winding coil sections formed by winding coil wire plural times spanning different respective sets of least two of the teeth, while shifting by one slot each time toward the other side in the circumferential direction of the core.
    Type: Grant
    Filed: June 5, 2014
    Date of Patent: November 21, 2017
    Assignee: ASMO Co., Ltd.
    Inventors: Koji Odani, Akihiko Seki
  • Patent number: 9825494
    Abstract: In a rotor of an electric machine, which rotor consists of individual segments which each have a first part which is in contact with a second cooperating part wherein the first part of an individual segment and the second cooperating part of an adjacent individual segment are positively interlocked in the radial and circumferential directions resulting in a self-supporting annular structure of the assembled rotor. The individual sections have openings accommodating permanent magnets which are fixed in the openings by wall sections bent into the openings during assembly of the segments for fixing the permanent magnets in the openings as the individual segments are joined to form a ring.
    Type: Grant
    Filed: April 28, 2012
    Date of Patent: November 21, 2017
    Assignee: DAIMLER AG
    Inventor: Werner König
  • Patent number: 9819240
    Abstract: A centralized power distribution member A configured to feed power to windings of a stator S of a multi-phase motor includes a plurality of annular busbars 10 each including a power feeding terminal 20 and connection terminals 15 to be connected to one ends of the windings of each phase on one side edge, an annular holder 30 made of synthetic resin and configured to accommodate the busbars 10 laminated in a radial direction in a mutually insulated manner, neutral point busbars 50 configured to connect the other ends of the windings of each phase, and auxiliary holders 60, 60X made of synthetic resin and configured to accommodate the neutral point busbars 50. The auxiliary holders 60, 60X are arranged on one end surface side of the annular holder 30 where the power feeding terminals 20 and the connection terminals 15 are arranged.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: November 14, 2017
    Assignees: Sumitomo Wiring Systems, Ltd., Mitsubishi Heavy Industries, Ltd.
    Inventors: Tsutomu Hashimoto, Satoshi Fukahori
  • Patent number: 9812935
    Abstract: An electric machine is provided. The electric machine includes a rotor and a stator. The stator includes a plurality of teeth and a plurality of windings. Each of the plurality of windings is positioned around at least one of the plurality of teeth. The electric machine further includes a leakage current shielding system. The leakage current shielding system includes a plurality of leakage current shields. Each of the current shields includes a body portion thereof which is positioned between the plurality of teeth and the plurality of windings. Each of the leakage current shields also includes a connecting portion that extends from the body portion. The leakage current shielding system also includes a plurality of connectors. Each of the plurality of connectors is adapted for receiving the connection portion of the leakage current shield. The leakage current shielding system also includes a connecting ring for securing the plurality of connectors.
    Type: Grant
    Filed: August 19, 2014
    Date of Patent: November 7, 2017
    Assignee: Regal Beloit America, Inc.
    Inventors: Mark Lyon Klopp, Zachary Joseph Stauffer, Michael Allen Marks
  • Patent number: 9812917
    Abstract: A generator rotor system having various features is disclosed. The generator rotor system has at least one main stage generator rotor with winding-pole sets spaced annularly about the rotor. The tendency of the windings to distort and or displace under the centrifugal force of the spinning rotor is ameliorated by a winding retention member disposed axially outboard of the winding-pole sets. The winding retention member may also have a one or more cooling oil routing hole to enhance the flow of cooling oil among the windings.
    Type: Grant
    Filed: October 7, 2014
    Date of Patent: November 7, 2017
    Assignee: Hamilton Sundstrand Corporation
    Inventor: Richard A. Himmelmann
  • Patent number: 9806571
    Abstract: A composite torque rotating electric machine includes a stator having armature windings arranged at multiple positions in a circumferential direction, a rotor having a cylindrical core, first permanent magnets arranged on axes (d) and in the circumferential direction on the outer periphery of the rotor, second permanent magnets arranged on axes (d) on the inner periphery side of the rotor across from the permanent magnets on the outer circumference side, third permanent magnets on axes (q) and extending in the longitudinally and radially of the rotor, and air gaps on the outer periphery side of the third permanent magnets and intermediate in the circumferential direction of the first permanent magnets. The radial distance between the first and second magnets is greater than the circumferential distance between the first permanent magnets and the air gaps. A rectifier having multiple slits is disposed between the first permanent magnets and the air gaps.
    Type: Grant
    Filed: May 28, 2012
    Date of Patent: October 31, 2017
    Assignee: AIDA ENGINEERING, LTD.
    Inventors: Yukinari Fujisawa, Masataka Yahara, Hiroshi Nagase, Fumio Tajima, Yoshihiro Yamaguchi
  • Patent number: 9806579
    Abstract: A magnet plate includes a regulating member which is adapted to be press-fitted to a blind hole of a base plate. The regulating member protrudes from the surface of the base plate at one end, and prevents a permanent magnet from moving in a transverse direction. The regulating member has a narrower portion having a width smaller than the blind hole. Upon press-fitting of the regulating member, the base plate undergoes plastic deformation and the deformed portion moves into a space between the narrower portion and the inner wall of the blind hole.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: October 31, 2017
    Assignee: FANUC CORPORATION
    Inventors: Yoshifumi Shimura, Yuusuke Kondou
  • Patent number: 9800111
    Abstract: This invention presents a highly efficient electric motor which can be embodied in several configurations, including a standard motor, a hub motor, a linear motor, or other motor configuration. As a regenerative device, the motor may also act as a part-time or full-time electrical generator. There is provided a motor composed of a stator and a rotor. The stator has an array of coils arranged therein. The rotor has an array of magnets arranged therein. Each of the coils includes a first winding of wire wrapped around a core, and the wire has a non-circular cross-section. The wire can be a flattened wire.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: October 24, 2017
    Assignee: Millennial Research Corporation
    Inventors: Denis L. Palmer, Robert A. Palmer, Jr., Damian Riddoch, Edward Butler, Charles Palmer
  • Patent number: 9800110
    Abstract: A system and method for enhanced magnet wire insulation is described. The system of the invention provides an enhanced insulation for magnet wire that is capable of withstanding high temperatures and provides a seal against water that is needed in electric submersible pump (ESP) applications. The enhanced insulation of the system of the invention provides the dielectric advantages of polyimide tape, such as Kapton tape, while also including the advantages of organic polymer thermoplastic insulation that prevents the delaminating at high temperatures that may occur in pumping applications using a variety of electrical submersible motors.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: October 24, 2017
    Assignee: SUMMIT ESP, LLC
    Inventors: Larry Parmeter, Brett Leamy, Keith Johnson, David Lunk
  • Patent number: 9787155
    Abstract: A stator system for an electric motor has multiple coil formers and stator windings that are wound on the coil formers. The stator windings are distributed over the circumference of the stator system and are arranged to form a substantially circular stator star. A number of the stator windings are electrically insulated in the axial direction in each case by way of a phase separator. The stator windings in each case of two coil formers are electrically connected as a coil pair in an electrically conductive manner by a conductor track. The conductor track is retained by a separating web that is arranged in the axial direction above the allocated phase separator and that extends in a radial direction.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: October 10, 2017
    Assignee: Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft
    Inventors: Stefan Portner, Horst Steegmueller, Stefan Wust
  • Patent number: 9787147
    Abstract: An interior permanent magnet motor includes a stator having teeth on which a coil is wound, a rotor rotatably provided inside the stator, the rotor including a plurality of rotor sectors, and at least two permanent magnet recesses formed between the rotor sectors. Ferrite permanent magnets are embedded in predetermined ones of the permanent magnet recesses that are formed in an inner portion of the rotor. Rare-earth permanent magnets are embedded in the other ones of the permanent magnet recesses that are formed in an outer portion of the rotor.
    Type: Grant
    Filed: June 26, 2012
    Date of Patent: October 10, 2017
    Assignee: Komotek Co., Ltd.
    Inventors: Deok Geun Kim, Han Sam Cho, Kyu Yun Hwang
  • Patent number: 9779845
    Abstract: Primary voltaic sources include nanofiber Schottky barrier arrays and a radioactive source including at least one radioactive element configured to emit radioactive particles. The arrays have a semiconductor component and a metallic component joined at a metal-semiconductor junction. The radioactive source is positioned proximate to the arrays such that at least a portion of the radioactive particles impinge on the arrays to produce a flow of electrons across the metal-semiconductor junction. Methods of producing voltaic sources include reacting at least one carbon oxide and a reducing agent in the presence of a substrate comprising a catalyst to form a solid carbon product over the substrate. Material is disposed over at least a portion of the solid carbon product to form a nanofiber Schottky barrier array. A radioactive source is disposed adjacent the nanofiber Schottky barrier array.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: October 3, 2017
    Assignee: Seerstone LLC
    Inventor: Dallas B. Noyes
  • Patent number: 9777972
    Abstract: A heat sink for the primary part of a linear motor includes a coil system having at least one coil that is to be energized when the motor is in operation, the heat sink being provided for accommodating the coil system of the primary part and forming at least one duct, through which a coolant is flowing during the operation of the heat sink, and at least one intake as well as at least one outlet for the coolant. The heat sink is arranged as an integrally formed component, which has an interface for connecting an object to be moved with the aid of the primary part, the interface having a contact surface via which the object to be moved is able to be brought into contact with the heat sink, and which is arranged and provided for cooling both the coil system of the primary part and the contact surface, such that coolant supplied to the heat sink through an intake is used for cooling the coil system and the contact surface.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: October 3, 2017
    Assignee: ETEL S.A.
    Inventor: André-Rafael Da Conceição Rosa
  • Patent number: 9757797
    Abstract: A linear conveyer includes a stationary module and a slider. The stationary module includes a frame extending linearly, a stator including armature coils and fixed to the frame, a rail, and a magnetic sensor. The slider movable along the rail with a driving linear motor includes magnetic poles, a rail guide fitted on the rail, and a magnetic scale. The magnetic scale includes a plastic magnet having magnetic poles and extending along an extending direction in which the rail extends, and a back yoke where the plastic magnet is placed. A position of the slider is detected by the magnetic sensor and the magnetic scale. The plastic magnet has a fixed portion that is fixed with respect to the back yoke and a portion other than the fixed portion, the portion being movable relative to the back yoke along an extending direction in which the magnetic scale extends.
    Type: Grant
    Filed: August 25, 2014
    Date of Patent: September 12, 2017
    Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventor: Satoshi Urata
  • Patent number: 9742255
    Abstract: An apparatus comprising: a permanent magnet providing magnetic flux; an electric field generator comprising at least one conductive loop and high permeability material configured to direct magnetic flux preferentially through the at least one conductive loop adjacent a first portion of a length of the at least one conductive loop; and a supporting system configured to support the permanent magnet at a distance from the electric field generator and enable relative movement between the permanent magnet and the electric field generator. A corresponding method.
    Type: Grant
    Filed: August 19, 2014
    Date of Patent: August 22, 2017
    Assignee: Nokia Technologies Oy
    Inventor: Ari Immonen
  • Patent number: 9742247
    Abstract: An electric motor for driving a motor vehicle component, such as a fan motor for cooling cooling water, has a thermal fuse with a contact spring. The contact spring has attached ends that are connected to a conducting path section between which an interruption point is formed. The springy ends of the contact spring are in soldered contact with each other in a spring-biased manner. The thermal fuse is a fuse module with a plastic support in which the conducting path sections are partially embedded in such a way that the contact spring lies in a window opening in the support. Terminals of the conducting path sections protrude from the plastic support.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: August 22, 2017
    Assignee: Brose Fahzeugteile GmbH & Co. Kommanditgesellschaft, Wuerzburg
    Inventors: Rainer Schoele, Frank Hartmann, Peter Stockmann, Frank Capristo, III
  • Patent number: 9742234
    Abstract: A centralized power distribution member A for motor arranged on the outer periphery of a stator S of a motor and configured to feed power to windings of the stator S includes a plurality of annular busbars 10 each including a power feeding terminal 20 and connection terminals 15 to the windings on one side edge, an annular holder 30 made of synthetic resin and configured to accommodate the busbars 10 laminated in a radial direction in a mutually insulated manner, and a power feeding unit 70 arranged near a predetermined position in a circumferential direction and individually connected to the power feeding terminal 20 of each busbar 10 and power supply side terminals drawn out from a power supply side. The power feeding unit 70 is arranged on an end surface side of the stator S where the power feeding terminals 20 and the connection terminals 15 are arranged.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: August 22, 2017
    Assignees: Sumitomo Wiring Systems, Ltd., Mitsubishi Heavy Industries, Ltd.
    Inventors: Tsutomu Hashimoto, Satoshi Fukahori