Patents Examined by Leda Pham
  • Patent number: 10547230
    Abstract: Electric motor systems and methods may provide highly efficient operation. The electric motor systems and methods discussed herein provide an oil filled motor that is low speed and utilizes permanent magnets. The electric motor may utilize a large number of poles and fractional slot design. Further, in some embodiments, the electric motor systems and methods may be suitable for use downhole.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: January 28, 2020
    Assignee: HENRY RESEARCH AND DEVELOPMENT, LLC
    Inventors: Trevor Hardway, Michael Salerno, Ronald David Wallin
  • Patent number: 10436204
    Abstract: The subject matter described herein includes a fan assembly for cooling an electric machine and an electric machine incorporating such a fan assembly. One exemplary fan assembly according to the subject matter described herein includes a first fan annulus for surrounding a portion of an electric machine. The fan assembly further includes a fan drive circuit for driving the first fan annulus separately from a drive mechanism of the electric machine. The first fan annulus is configured to be, when rotating to cool the electric machine, mechanically disconnected from a housing and a rotor of the electric machine and separated from the housing by radial gap.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: October 8, 2019
    Assignee: ABB Schweiz AG
    Inventors: Darren Dale Tremelling, Ghanshyam Shrestha, Patrick Schneider, Zhiguo Pan
  • Patent number: 10411567
    Abstract: A motor includes a brush configured to contact a commutator and a movement restricting structure configured to restrict a movement of the brush. The movement restricting structure has: a carbon holder for housing the brush while permitting a movement of the brush in the commutator radial direction; and a circumferentially restricting part for restricting a movement of the brush in the commutator circumferential direction. The circumferentially restricting part has a passing port formed by punching, through which the brush passes.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: September 10, 2019
    Assignee: MABUCHI MOTOR CO., LTD.
    Inventors: Atsushi Yoshida, Hisashi Ogino
  • Patent number: 10326332
    Abstract: An electric machine, for example, a motor, is provided. The machine or motor includes a stator, a rotor, at least one main bearing for supporting the rotor relative to the stator in a main range of speeds and at least one secondary bearing suitable for supporting the rotor relative to the stator when the first main bearing is faulty. Each secondary bearing is a passive electrodynamic bearing and includes at least one permanent magnet and a moveable electric conductor element.
    Type: Grant
    Filed: January 23, 2013
    Date of Patent: June 18, 2019
    Assignee: GE ENERGY POWER CONVERSION TECHNOLOGY LTD.
    Inventor: Xavier De Lepine
  • Patent number: 10298088
    Abstract: A rotary electric machine having a stator and a rotor, in addition to an electric control device and a connection device which comprises at least one coupling element for electrically connecting the control device to one or several electrical lines and a mass element provided to connect to an electric mass potential. In order to improve the machine with respect to electromagnetic interference, the stator is connected to the mass element by a contact bridge which has a first securing section and a second securing section in addition to a bridge element arranged between the securing sections and includes a single-piece spring steel sheet which is at least partially sinuous.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: May 21, 2019
    Assignee: Brose Fahrzeugteile GmbH & Co. KG, Wuerzburg
    Inventors: Maurad Berkouk, Sebastien Labat, Eric Fournier
  • Patent number: 10284046
    Abstract: There is provided a DC brush motor that is provided with: a magnet; an armature configured to rotate relative to the magnet about a rotary axis, the armature comprising a commutator; a bracket configured to cover one end portion of the magnet and the armature at one side along the rotary axis; a female terminal that is fixed to the bracket; a brush that is electrically connected to the female terminal, and a sealing member that is fixed to the bracket. The bracket is provided with a recessed portion formed on an outer periphery thereof and configured to accommodate therein the female terminal. The sealing member is configured to seal between the recessed portion and a space where the commutator and the brush exist.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: May 7, 2019
    Assignee: Minebea Co., Ltd.
    Inventors: Minoru Kuroda, Masami Ota
  • Patent number: 10233691
    Abstract: This actuator for driving a home-automation screen includes an electric motor (M), a reduction gear (R) for transmitting the movement of the motor to the home-automation screen and a brake. The actuator includes a direct current electronic switching motor (M) and a mechanical brake (2) having a continuous drag torque.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: March 19, 2019
    Assignee: SOMFY SAS
    Inventor: Frank Schadlich
  • Patent number: 10199913
    Abstract: A primary part for a linear motor, a linear motor comprising such primary part, and a method for manufacturing such primary part. The primary part comprises a housing, a pre-casted unit having at least two coils which are mutually fixed in position by a solidified first casting material, a plurality of spacer elements disposed between the pre-casted unit and the housing, the plurality of spacer elements contacting the housing and ensuring a space between the housing and the pre-casted unit, and a solidified second casting material filling the space between the housing and the pre-casted unit. The solidified second casting material ensures a fixed connection of the housing to the pre-casted unit.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: February 5, 2019
    Assignees: Tecnotion B.V., Tecnotion Holding B.V.
    Inventors: Jan Hendrik Kollen, Wouter Jan Van Beek
  • Patent number: 10199888
    Abstract: A reluctance rotor of a dynamoelectric rotary machine has an even number of poles constructed of a material having structural magnetic anisotropy. The magnetic anisotropy of the material is characterized by a first magnetic resistance, a magnetic permeability of ?r>20 and a saturation polarization of >1T in a first spatial direction, and by a second magnetic resistance which is greater than the first magnetic resistance with a magnetic permeability of ?r<1.6 in spatial directions perpendicular to the first spatial direction.
    Type: Grant
    Filed: August 15, 2014
    Date of Patent: February 5, 2019
    Assignee: Siemens Aktiengesellschaft
    Inventor: Rolf Vollmer
  • Patent number: 10199887
    Abstract: A core segment linked body when opened out rectilinearly is configured: such that a distance between adjacent width reduced portions is greater than a width dimension of width expanded portions when adjacent core segments are in an expanded position, and the distance between the adjacent width reduced portions is less than the width dimension of the width expanded portions when the adjacent core segments are in a contracted position; and so as to satisfy (te?tn)/?s?>0, and 0<(te?tn)/te?0.27, where ?s? is a distance between center lines of the adjacent magnetic pole teeth in the expanded position, te is a width dimension of tooth main portions, and tn is the width dimension of the width reduced portions.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: February 5, 2019
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Ryuichi Takiguchi, Akira Hashimoto, Takanori Komatsu, Katsunori Oki, Satoru Hasegawa, Susumu Oshima
  • Patent number: 10193410
    Abstract: A motor includes a rotor, a stator, a housing, a bus bar assembly, a cover fixed to the housing, and a circuit board. The bus bar assembly includes a bus bar, a wiring member, and a bus bar holder. The bus bar holder includes a main body portion, a connector portion, and a connection terminal holding portion. The cover directly or indirectly contacts a second side of the main body portion. The wiring member includes a circuit board connection terminal fixed to the connection terminal holding portion at a first side ahead of the end of the second side of the main body portion, and the end of the second side at the radially inner surface of the connection terminal holding portion is located at the first side ahead of the surface of the second side of the circuit board.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: January 29, 2019
    Assignee: NIDEC CORPORATION
    Inventors: Hidehiro Haga, Ryusuke Sato, Masashi Sonoda
  • Patent number: 10181805
    Abstract: Power generated by a vibration power generator utilizing an electret is efficiently supplied to a power supply load. A vibration power generator includes a first substrate and a second substrate configured to be moved relative to each other by external vibration while remaining opposite each other, a group of a plurality of electrets arranged in the relative movement direction on one surface side of the first substrate, and a group of electrodes arranged in the relative movement direction on a surface side of the second substrate opposite to the group of electrets, and including a first current collecting electrode and a second current collecting electrode. A power supply load to which power generated by the external vibration is supplied and which has an impedance lower than an internal impedance of the vibration power generator is electrically connected to each of the first and second current collecting electrodes.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: January 15, 2019
    Assignee: OMRON Corporation
    Inventors: Misato Nabeto, Tatsuakira Masaki, Keiki Matsuura
  • Patent number: 10174761
    Abstract: A synchronous electric motor for operating a pump includes a motor body, a stator and a rotor coupled to an impeller of the pump. The motor also comprises a cylindrical element that extends towards the inside of the motor body from one of its outer walls so as to define a first cylindrical cavity open to the outside to insert inside the rotor, wherein the rotor has a circular cross section essentially corresponding to the inner section of the cylindrical element so that the rotor is in contact with the cylindrical element and then there is a friction between the rotor and the cylindrical element when the rotor rotates, and the rotor is shaftless and axially and directly coupled to the impeller of the pump.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: January 8, 2019
    Assignee: HYDOR SRL
    Inventor: Valerio Bresolin
  • Patent number: 10177634
    Abstract: Provided is a structure for a slip ring and a brush of a WRSM capable of reducing an axial length of a motor by increasing a contact area between the slip ring and the brush and improving reliability for smoothly implementing performance of the motor by stably supporting a shaft of the motor, the structure including: an inner slip ring combined with a rotation shaft of a motor; a brush disposed at a circumference of the inner slip ring and having a plurality of wrinkles contacting an outer circumferential surface of the inner slip ring formed therein; an outer slip ring disposed at a circumference of the brush and making in contact with the plurality of wrinkles of the brush; and a holder that supports the outer slip ring.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: January 8, 2019
    Assignee: MANDO CORPORATION
    Inventor: Chung Seong Lee
  • Patent number: 10164503
    Abstract: The present invention relates to a power generation system using a vehicle. The power generation system includes: a vehicle, such as an automobile, a train, an airplane, and an escalator, for carrying people or freight; a movement route, such as a road, a railroad, and a runway, formed so that the vehicle can move thereon; and a power generation unit including a magnetic force generation portion and a magnetic force receiving portion alternatively installed in the vehicle and the movement route, and configured to generate electric energy using electromagnetic induction occurring due to relative movement between the magnetic force generation portion and the magnetic force receiving portion according to movement of the vehicle.
    Type: Grant
    Filed: January 23, 2014
    Date of Patent: December 25, 2018
    Inventor: Hyeon Cheol Moon
  • Patent number: 10148155
    Abstract: Apparatus for connecting a motor controller to an electrical motor, said apparatus comprising: a motor interface board; a mounting mechanism for mechanically connecting said motor interface board to the electrical motor; at least one input lead for electrically connecting said motor interface board to at least one of an electrical power source and an electrical signal source; at least one output lead for electrically connecting said motor interface board to the electrical motor; and at least one connector for mechanically and electrically connecting said motor interface board to the motor controller.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: December 4, 2018
    Assignee: Barrett Technology, LLC
    Inventors: David Wilkinson, Peter Botticelli, Donald Drumm, Darren Landino, Brian Zenowich, William Townsend
  • Patent number: 10148198
    Abstract: Systems and methods for generating a high voltage direct current using electric-field generators are disclosed. The electric field generator can comprise a rotor member, rotor poles coupled to the rotor member, stator poles corresponding to the rotor poles, and a dielectric medium positioned between the corresponding stator and rotor poles. The method can comprise applying an electric field between corresponding stator and rotor poles, receiving a mechanical energy input causing the rotor member to rotate, changing an alignment of the corresponding stator and rotor poles as a result of the rotation of the rotor member, increasing the voltage of the electric field between the corresponding stator and rotor poles as a result of the alignment change of the corresponding stator and rotor poles, and discharging the electric field to place a charge on a DC bus when the voltage of the electric field reaches a predetermined level.
    Type: Grant
    Filed: August 15, 2014
    Date of Patent: December 4, 2018
    Assignee: Electric Force Motors, Inc.
    Inventor: Weston Clute Johnson
  • Patent number: 10135325
    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: June 22, 2017
    Date of Patent: November 20, 2018
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Sanghee Lee
  • Patent number: 10128710
    Abstract: A linear compressor and a linear motor for a linear compressor are provided. The linear motor may include a first stator, a second stator spaced apart from the first stator, and at least one permanent magnet disposed between the first stator and the second stator. The first stator may include a bobbin around which a coil may be wound, and a plurality of core blocks that surrounds the bobbin. In at least one core block of the plurality of core blocks, a distance between a first surface that faces the second stator and a second surface of the second stator that faces the first surface varies in a circumferential direction of the second stator.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: November 13, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Jeonguk Byun, Eonpyo Hong, Jeehyun Kim
  • Patent number: 10128708
    Abstract: There is provided an armature including a shaft; a core attached to the shaft; a commutator that is attached to the shaft, and includes a plurality of commutator segments; windings that are wound onto the core, and are connected to the respective commutator segments; and a short-circuit member that connects together a pair out of the plurality of commutator segments, and is disposed further to the commutator radial direction outside than an outer peripheral portion of the commutator.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: November 13, 2018
    Assignee: DENSO CORPORATION
    Inventor: Akihiko Seki