Patents Examined by Alexander A Singh
  • Patent number: 10978924
    Abstract: A rotor of an electrical rotating machine includes: a rotor shaft; a cylindrical sleeve externally fitted to the rotor shaft and extending in an axial direction X; and a plurality of permanent magnets serving as field magnets, the plurality of permanent magnets being provided between the rotor shaft and the sleeve in a radial direction and retained by the sleeve around the rotor shaft. The sleeve is formed by a plurality of short sleeves arranged in the axial direction X, and end portions of the short sleeves that are adjacent to each other, the end portions being butted together in the axial direction X, are mechanically joined together in a torque-transmittable manner.
    Type: Grant
    Filed: October 20, 2016
    Date of Patent: April 13, 2021
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Ryo Miyamae, Shoichi Takahashi, Tatsuya Ohno, Yoshihiko Ozaki, Koji Hashimoto
  • Patent number: 10978928
    Abstract: An electrical distribution member includes a plurality of electrical conducting wires made of a solid wire. The electrical conducting wires each include an electrical conducting body, and a coating layer provided over a surface of that electrical conducting body, while removed therefrom over a respective predetermined length including a joining portion. The electrical conducting wires include at least one first electrical conducting wire having a joining portion extending in an axial direction of a stator core, and at least one second electrical conducting wire having a joining portion bent in relation to a radial direction of the stator core in such a manner as to follow a circumferential direction of the stator core. The predetermined length of the second electrical conducting wire with the coating layer removed therefrom is longer than the predetermined length of the first electrical conducting wire with the coating layer removed therefrom.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: April 13, 2021
    Assignee: HITACHI METALS, LTD.
    Inventors: Shinsuke Mashiko, Kenichi Egami
  • Patent number: 10971989
    Abstract: The invention relates to a wind turbine with a generator and a method of assembling a generator thereof, wherein the generator comprises a rotor rotatably arranged relative to a stator. The rotor comprises a plurality of superconducting pole units arranged on a back iron which is spaced apart from a rotor structure by a number of thermally insulating plates or beams. Said plates or beams are located between either ends of the rotor and orientated relative to the rotational direction of the rotor. Each plate has a first end firmly connected to another first beam extending in an axial direction and a second end firmly connected to another second beam also extending the axial direction. The first beams are further firmly connected to the back iron while the second beams are further firmly connected to the rotor structure. The thermally insulating plates or beams provide a flexible and cheap support interface that is able to adapt to the tolerances of the individual components.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: April 6, 2021
    Assignee: Envision Energy (Denmark) ApS
    Inventors: Anders Varming Rebsdorf, Mogens Christensen, Stephane A. Eisen
  • Patent number: 10965202
    Abstract: A slide apparatus includes a track body, at least one primary module, and a slider provided therein with a secondary module. The track body defines a recessed space therein, and the primary module is installed in the recessed space. The slider is slidably mounted on the track body and has a housing located in the recessed pace of the track body. The housing is provided with at least one channel in which the secondary module is located. The channel of the housing, which opens out at a bottom opening facing to a bottom of the track body, serves as a jig to facilitate the secondary module formed integrally with the housing of the slider. The secondary module works with the primary module to constitute a linear motor, which enables the slider to move linearly along the track body.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: March 30, 2021
    Assignee: TOYO Automation Co. Ltd.
    Inventors: Tsung-Te Lin, Kun-Cheng Tseng
  • Patent number: 10951094
    Abstract: Provided is a rotating electric machine that allows a stator cooling passage to be formed compactly. A passage of a stator cooling refrigerant is formed by a water jacket fitted and fixed to both ends on a base side which is the flange side and a distal end side of a cylindrical portion of a stator frame on an outer circumference of the cylindrical portion, the stator frame has a difference between a diameter on the base side and a diameter on the distal end side, the diameter on the base side being formed to be larger, and the stator frame and the water jacket are sealed by press fitting and welding on the base side and the distal end side.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: March 16, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Manabu Yoshinori, Shoya Mizokami, Ryuji Kitamura
  • Patent number: 10944305
    Abstract: An electric drive unit with an electric machine arranged in a motor housing. The electric machine has a rotor and a stator. A transmission is arranged in a transmission housing and driven by the electric machine. A cooling sleeve is provided, which forms a radially outward facing hollow space for a coolant by virtue of a spiral-shaped circumferential web between itself and the surrounding motor housing. Furthermore the cooling sleeve has a holding web which is designed to be clamped between two motor housing components.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: March 9, 2021
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Alexander Banerjee, Gerhard Höring
  • Patent number: 10938277
    Abstract: A control module for an electric motor having a stator that includes a first surface, wherein cooling fluid flows within the stator for providing cooling to the first surface, the control module having a power device having switching elements; a control device for controlling operation of the switching elements; a housing with a first side for mounting to the first surface, wherein the first side includes an aperture allowing a portion of the power device to contact the first surface when the housing is mounted to the first surface for cooling the switching elements, wherein the control device is mounted in the housing on an opposite side of the power device to the first side of the housing and an elastomer is located over the power device and the control device for providing an electrical insulation barrier over the switching elements and electrical components on the control device.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: March 2, 2021
    Assignee: PROTEAN ELECTRIC LIMITED
    Inventor: Geoffrey Owen
  • Patent number: 10938324
    Abstract: Provided is an electrostatic energy harvester Including a lower electrode; a ferroelectric material layer which is disposed on the lower electrode and formed of a poled ferroelectric material; a friction-charged body which is adapted to be repeatedly contacted with and separated from the ferroelectric material layer and has an electric susceptibility different from an electric susceptibility of the ferroelectric material layer; and an upper electrode provided on the friction-charged body.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: March 2, 2021
    Assignee: SAMSUNG ELECTRONICS CO.. LTD.
    Inventors: Sangwoo Kim, Keun Young Lee, Seongsu Kim, Juhyuck Lee
  • Patent number: 10931170
    Abstract: A system for cooling a motor includes a rotary machine and a cooling flow path. The rotary machine includes a motor including a rotor and a stator, a compressor including a compressor rotor, and a shaft extending between the motor and the compressor rotor. The cooling flow path is configured to deliver cooling air from a cabin of an aircraft to the motor.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: February 23, 2021
    Assignee: Hamilton Sundstrand Corporation
    Inventor: Kyle Robert Parlante
  • Patent number: 10916979
    Abstract: A rotor of a line-start synchronous reluctance motor is provided, which includes: a laminated core comprising multiple laminated core sheets having multiple rotor bar holes formed therein in proximity to the circumference thereof, respectively; end plates fixed to both sides of the laminated core, respectively; rotor bars inserted into the rotor bar holes, respectively; and a rotating shaft coupled to the laminated core to be able to rotate integrally, wherein the core sheets comprise multiple flux barriers and steel plate portions on which the flux barriers are not formed, respectively, and extended ends of the flux barriers may be positioned between the rotor bar holes.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: February 9, 2021
    Assignee: HYOSUNG HEAVY NDUSTRIES CORPORATION
    Inventors: Jeong Ho Seo, Huai Cong Liu, Ju Lee
  • Patent number: 10910915
    Abstract: A rotary electric machine system includes a rotary electric machine unit, a temperature adjustment unit, and a control unit. The rotary electric machine unit includes a rotary electric machine and a temperature detection unit. The rotary electric machine includes a stator core around which a coil is wound, and a rotor having a magnet. The temperature adjustment unit increases the temperature of the stator core. When a rotational speed of the rotary electric machine is in a predetermined high-speed rotation state, in a case in which the temperature detected by the temperature detection unit is less than a predetermined value, the control unit controls the temperature control unit to increase the temperature of the rotary electric machine.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: February 2, 2021
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Ryosuke Itoyama, Tomotaka Iki
  • Patent number: 10910893
    Abstract: A rotor for a synchronous reluctance machine having an even number 2 p of poles circumferentially spaced at an angle ?, with ?=2 ?/2 p, the rotor comprising a substantially cylindrical laminate stack having a plurality of magnetically conductive laminations. One or more of the magnetically conductive laminations includes non-magnetic flux barriers which are spaced from each other in the radial direction, one or more of the non-magnetic flux barriers having a first and second bridge transversally positioned in correspondence of their lateral ends and defining a first and a second air-gap with the outer rim of the magnetically conductive lamination, and further including a third and a fourth bridge transversally positioned and respectively defining together with the first and second bridge a first and a second internal space which are filled with an electrically conductive and non-magnetically conductive material.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: February 2, 2021
    Assignee: ABB Schweiz AG
    Inventors: Jere Kolehmainen, Tero Kansakangas, Pietro Savio Termini
  • Patent number: 10903724
    Abstract: The present invention provides a rotation angle detector capable of detecting a rotation angle of a rotor in the same manner as at normal time even when abnormality such as disconnection or a short circuit occurs, and capable of reducing the number of terminals. When one spatial order cycle of the output winding is an electrical angle of 360°, a phase difference between a first output winding and a second output winding and a phase difference between the second output winding and a third output winding are set at an electrical angle ?, and ??180°×n (n is an integer).
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: January 26, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hiroko Ikeda, Yusuke Morita, Kazumasa Ito, Yu Hirotani, Kodai Okazaki, Satoru Akutsu, Yuji Takizawa
  • Patent number: 10892661
    Abstract: The present invention provides A motor comprising a housing; a stator disposed inside the housing; a rotor disposed inside the stator; a shaft coupled to the rotor; and a teeth support part come in contact with the teeth of the stator, wherein the teeth support part includes a guide is disposed between the teeth adjacent to each other, wherein a width of the guide in the circumferential direction corresponding to the length between the end surfaces of the adjacent teeth, wherein an outer upper surface of the guide and inner bottom surfaces of the adjacent teeth form a shape of an arc.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: January 12, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Shung Hun Woo, Seong Jin Lee
  • Patent number: 10886818
    Abstract: An input shaft structure for connecting a motor (4) and a gearbox (1) is provided, wherein the input shaft structure comprises a main shaft (5), an input end of the main shaft is located within the motor, and is connected to a rotor of the motor, an output end of the main shaft is located within the gearbox, and is connected to a driving gear (2) of the gearbox, and all of the two ends and an middle portion of the main shaft are provided with a bearing (6, 9, 14) to perform axial positioning, wherein a hub (2-1) of the driving gear extend toward two sides, and an inner bore of the hub matches with a shaft diameter of the main shaft to perform radial positioning, to ensure a concentricity of the driving gear and the main shaft. The motor shaft and the input shaft of the gearbox are designed as an integral input shaft, which reduces the entire axial size of the power section, facilitates the layout of the entire vehicle, and has a smaller weight.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: January 5, 2021
    Assignee: Jing-Jin Electric Technologies Co., Ltd.
    Inventors: Yongwu Wang, Ping Yu, Jianwen Li, Tianjiao Liu, Xixian Yang
  • Patent number: 10886799
    Abstract: A rotary electric machine includes a stator, a rotor, and a field coil; the rotor includes a first magnetic pole having a first annular portion and a plurality of claw portions and a second magnetic pole having a second annular portion and a plurality of projection portions; in the rotor, the claw portions and the projection portions are circumferentially alternately positioned, and the first magnetic pole and the second magnetic pole are maintained in a non-contact state by providing a radial gap, a circumferential gap, and an axial gap between the first magnetic pole and the second magnetic pole; and the gap arrangement member has an axial positioning portion that is axially locked with respect to at least one of the first magnetic pole and the second magnetic pole, and axially positions the first magnetic pole and the second magnetic pole.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: January 5, 2021
    Assignee: EXEDY CORPORATION
    Inventors: Hitoshi Katsura, Taichi Kitamura, Kimitaka Uemura
  • Patent number: 10873239
    Abstract: Disclosed is a stator having: a first member having a first plurality of axially opposing ends including a first front end and a first back end mutually spaced along a first stator center axis, a first outer diameter (OD) side and a first inner diameter (ID) side, wherein first member comprises laminated steel; a plurality of cooling features disposed directly against the first member, wherein the plurality of fins spans between the first plurality of axially opposing ends of the first member, and wherein: the stator comprises a base layer disposed directly against the first member, between the first member and the cooling features, thereby reducing an interface contact resistance between the first member and the plurality of cooling features.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: December 22, 2020
    Assignee: HAMILTON SUNSTRAND CORPORATION
    Inventors: Jagadeesh Kumar Tangudu, Thomas M. Yun, John A. Sharon
  • Patent number: 10873252
    Abstract: A turning device for a turbomachine comprises a plurality of electromagnets connectable to an electric power source; a rotor magnetically coupled with the electromagnets, connectable to a main shaft of the turbomachine and having a rotation axis, the electromagnets are arranged facing the rotor in order to induce eddy currents on a surface of the rotor and apply a torque to the rotor, thus rotating the main shaft.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: December 22, 2020
    Assignee: NUOVO PIGNONE TECNOLOGIE SRL
    Inventors: Sergio Defranciscis, Lorenzo Naldi, Duccio Fioravanti, Massimiliano Ortiz Neri
  • Patent number: 10862384
    Abstract: A linear actuator includes: a coil that is movably provided; a coil yoke that is provided to move integrally with the coil; a first side yoke portion that extends outside of the coil; a second side yoke portion that is surrounded by the coil, extends, and is opposed to the first side yoke portion; and a magnet that forms a magnetic field between the first side yoke portion and the second side yoke portion. The coil yoke extends along an axis of the coil. The first side yoke portion and the second side yoke portion have a first hold portion and a second hold portion, the support portion supporting the coil yoke in a stop position and having magnetic polarities.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: December 8, 2020
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventor: Katsushi Ishizaka
  • Patent number: 10862367
    Abstract: A stator of an electric rotary machine includes a first abutting portion and a second abutting portion. The first abutting portion and the second abutting portion are welded by laser welding in a state where the abutting portions abut against each other, and the first abutting portion and the second abutting portion include bonding surfaces which are bonded to each other. In the axial direction, a height from an insulating cover film to the bonding surface in one abutting portion is greater than a height from an insulating cover film to the bonding surface in the other abutting portion, and in a radial direction, a protruding distance from the insulating cover film to the bonding surface in the one abutting portion is greater than a retraction distance from the insulating cover film to the bonding surface in the other abutting portion.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: December 8, 2020
    Assignee: HONDA MOTOR CO., LTD
    Inventors: Koji Kawanami, Fumiya Nishii, Tomotaka Iki