Patents Examined by Burton Mullins
  • Patent number: 10305356
    Abstract: A synchronous machine (100) has a frame (110), a shaft (115), a main section (120), and an exciter section (125). The main section (120) has a stator winding (130) which is mounted on the frame, and a rotor winding (135) which is mounted on the shaft. The exciter section has a transformer (140) and a rectifier (145). The transformer has a primary winding (140A) mounted on the frame and a secondary winding (140B) mounted on the shaft. The rectifier is mounted on the shaft and rectifies an output of the secondary winding to provide a rectified output to the rotor. A control unit (170) provides a high-frequency control signal to the primary winding. This signal is magnetically coupled to the secondary winding, rectified, and then applied to the rotor to control the operation of the synchronous machine.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: May 28, 2019
    Assignee: THE BOEING COMPANY
    Inventors: Lijun Gao, Matthew J. Krolak, Shengyi Liu
  • Patent number: 10218252
    Abstract: The present invention provides a linear motor where a load onto a supporting mechanism and the ripple of force are lessened and the ripple can be adjusted. As a leakage flux between the magnetic poles can be reduced by being configured by plural magnetic poles arranged with a magnet arranged on a mover held between them, a core that continuously connects the magnetic poles that holds the magnet of the mover between them, windings are integrally wound onto the plural magnetic poles and the mover formed by a row of magnets the magnetic poles of which are alternately arranged or a row of magnets the polarity of which is alternately arranged and magnetic materials, by arranging the plural magnetic poles arranged with the magnet held between and the plural magnetic poles provided with the core that continuously connects the magnetic poles.
    Type: Grant
    Filed: June 9, 2010
    Date of Patent: February 26, 2019
    Assignee: Hitachi, Ltd.
    Inventors: Yasuaki Aoyama, Yoshitaka Iwaji, Kohji Maki
  • Patent number: 10207918
    Abstract: An electromechanical transducer of the present invention includes a first electrode, a vibrating membrane formed above the first electrode through a gap, a second electrode formed on the vibrating membrane, and an insulating protective layer formed on a surface of the second electrode side. A region where the protective layer is not formed is present on at least part of a surface of the vibrating membrane.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: February 19, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Chienliu Chang
  • Patent number: 10199903
    Abstract: A device for deflecting at least a portion of a cooling fluid flowing axially in an intermediate space is arranged between a rotor and a stator of a rotating electrical machine, in particular of a turbogenerator, wherein at least one blade can be arranged on a prespecifiable section of an outer face of the rotor and in the intermediate space, which blade is designed and can be arranged in such a way that a portion of the cooling fluid flowing in the intermediate space can be radially deflected in the direction of the stator by said blade.
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: February 5, 2019
    Assignee: Siemens Aktiengesellschaft
    Inventors: Esteban Grau Sorarrain, Christian Jäkel, Mario Koebe, Matthias Kowalski, Christoph Lehmann, Andrey Mashkin, Olga Plotnikova, Carolin Schild
  • Patent number: 10199907
    Abstract: A wet cavity electric machine includes a stator core having stator poles formed by a post and a wire wound about the post to form a stator winding, with the stator winding having end turns, a rotor having two rotor poles and configured to rotate relative to the stator and a channel for liquid coolant to flow through the rotor to at least one nozzle, and liquid coolant sprays from the at least one nozzle at least a portion of the stator windings.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: February 5, 2019
    Assignee: GE Aviation Systems LLC
    Inventors: Lanchao Lin, Hao Huang, Xiaochuan Jia
  • Patent number: 10186935
    Abstract: In an inverter-integrated electric compressor, a sub-board (26) divided from a main board is mounted with a communication circuit (25) and is connected to a communication harness (24) via a connector (34).
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: January 22, 2019
    Assignee: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    Inventors: Makoto Hattori, Masahiko Asai
  • Patent number: 10186915
    Abstract: A Blushless Direct Current (BLDC) motor may include a motor housing; a stator including a stator core installed within the motor housing and a coil wound in the stator core and that generates a magnetic field by applied power; and a rotor disposed within the stator and in which a magnet that interacts with the magnetic field is installed and that rotates within the stator by an interaction with the magnetic field. The stator core may include a back yoke in which straight portions and curved portions are alternately formed; and teeth protruded from the back yoke toward the magnet. The tooth include a neck protruded from the back yoke, and a shoe protruded from the neck and separated from the magnet and that encloses at least a portion of the magnet. A ratio A/B of a width A of the neck to a width B of a shoe end portion is 2.5 to 3.5. By optimizing a ratio A/B of a width A of the neck to a width B of the shoe end portion constituting the stator core, efficiency of a BLDC motor may be maximized.
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: January 22, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Kwangyong Jang, Sangchul Lee, Kyunghoon Lee, Changhum Jo
  • Patent number: 10181774
    Abstract: An electric motor assembly includes an electric motor, a casing configured to house the motor, and an electrical enclosure coupled to the motor casing. The electrical enclosure houses a control board including a microcontroller and a memory device therein. The microcontroller is configured to control the electric motor based at least in part on motor configuration data stored in the memory device. The assembly also includes a near field communications (NFC) antenna positioned adjacent to an opening defined in the motor casing or the electronics enclosure, and is communicatively coupled to the memory device. The NFC antenna is configured to: receive a radio signal transmitted by an external programming device, the radio signal including updated motor configuration data; convert the radio signal to an electrical signal that includes the updated motor configuration data; and transmit the electrical signal to the memory device to store the updated motor configuration data.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: January 15, 2019
    Assignee: Regal Beloit America, Inc.
    Inventors: Shailesh Prabhakar Waikar, Kamron Mark Wright, Ahmad Mohammad Ghannam, Ryan Keith Stephens, Steven Albert Nardin, Xiaohui Ji, Peter Bruff Lytle
  • Patent number: 10177619
    Abstract: A rotator member 300 includes a tubular sleeve 301 having a first end surface and a second end surface, a plurality of magnet segments 311 circumferentially disposed at a radially outside of the sleeve 301, and a tubular member 321 adapted to cover the magnet segments 311 from a radially outside to hold the magnet segments 311 between the tubular member 321 and the sleeve 301. The sleeve 301 has an inner circumference surface that includes a tapered surface that gradually and outside the radial direction expands in a direction from the first end surface toward the second end surface.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: January 8, 2019
    Assignee: FANUC CORPORATION
    Inventor: Yohei Arimatsu
  • Patent number: 10177627
    Abstract: Described is a bearingless motor based upon a homopolar flux-biased magnetic bearing for force generation and a hysteresis motor for torque generation. The bearingless slice motor levitates and rotates a ring-shaped rotor made of a semi-hard magnetic material. The rotor is biased with a homopolar permanent-magnetic flux, on which 2-pole flux can be superimposed to generate suspension forces. Torque is generated by a hysteretic coupling between the rotor and a rotating multi-pole stator field.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: January 8, 2019
    Assignee: MASSACHUSETTS INSTITUTE OF TECHNOLOGY
    Inventors: Minkyun Noh, David L. Trumper
  • Patent number: 10164490
    Abstract: In a rotary electric machine according to the present invention, an armature winding includes a plurality of distributed winding bodies that are each produced by winding a single conductor wire that is insulated, that is jointless and continuous, and that has a constant cross-sectional area perpendicular to a longitudinal direction, the conductor wires include first through third coil end portions that link first through fourth rectilinear portions and first through fourth rectilinear portions, and are formed such that radial widths w? of the first through fourth rectilinear portions are wider than radial widths w of the first through third coil end portions.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: December 25, 2018
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hironori Tsuiki, Tatsuro Hino, Atsushi Sakaue, Akira Hashimoto, Kazunori Muto, Masashi Nakamura, Shinkichi Sawa, Hiroyuki Akita
  • Patent number: 10158267
    Abstract: An electronically commutated motor has a rotor with a permanent magnet arrangement, a stator (30) with a bundle of laminations (32) and a winding (34).
    Type: Grant
    Filed: June 12, 2014
    Date of Patent: December 18, 2018
    Assignee: ebm-papst St. Georgen GmbH & Co. KG
    Inventor: Hassan Ghodsi-Khameneh
  • Patent number: 10158268
    Abstract: Insulator that forms an insulating layer on a surface of a plurality of stacked stator cores includes protruding part extending from an outer circumference of stator cores on a substantially same face as one end face of stator cores in a stacking direction. Protruding part includes hooks that fixedly holds connector having a plurality of connector terminals for feeding power from outside. Connector is fixedly held by hooks, winding is wound around each slot of stator cores via insulator, and connector terminals are fixedly press-fitted to connector. A tip of each of connector terminals on a side of winding is bent into a substantially L-shape, winding end in each phase of winding is directly tied to L-shaped tip of connector terminal and connected thereto by soldering.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: December 18, 2018
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kenji Fujii, Toshihiro Matsumoto, Satoru Murao
  • Patent number: 10153672
    Abstract: A rotating electric machine, which can achieve improvement of a reluctance torque, reduction of stress and improvement of a power factor at the same time, and can also realize high output, and an electrically driven vehicle having the rotating electric machine are provided. A permanent magnet is arranged on a q-axis that connects magnetic poles of a rotor; a gap is formed in a radial direction of the permanent magnet; another permanent magnet is arranged facing the said permanent magnet so that these permanent magnets may sandwich a d-axis which connects centers of the magnetic poles; and another gap is formed at a position corresponding to a position of the said gap.
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: December 11, 2018
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Yasuyuki Saito, Yuji Kanoh, Tomohiro Adachi, Motoo Kitahara, Tomohiro Fukuda
  • Patent number: 10153678
    Abstract: Linear actuator, where a reversible electric motor (20) through a transmission (21) drives a non-self-locking spindle (22), by means of which an adjustment element (24) secured against rotation can be moved axially for adjusting an element connected thereto such as a backrest section in a bed. The actuator further comprises a quick release (27) for disengagement of the adjustment element (24) from the electric motor (20) and the part of the transmission (21) extending from the electric motor (20) to the quick release (27), such that the spindle (22) is rotated under the load on the adjustment element (24). Further, the actuator comprises brake means for controlling the speed of the adjustment element (24), when the quick release (27) is activated.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: December 11, 2018
    Assignee: LINAK A/S
    Inventors: Rene Sørensen, Jens Jørgen Nielsen
  • Patent number: 10153679
    Abstract: A linear vibration motor includes a base with an accommodation space, a vibration unit and two elastic parts fixed respectively on the opposite ends of the vibration unit. The elastic parts include a main elastic part and an auxiliary elastic part. The auxiliary elastic part includes a first auxiliary elastic part and a second auxiliary elastic part which are fixed respectively on the opposite sides of the vibration unit and the base which are parallel to the vibration direction of the vibration unit. Compared with the related technology, the liner vibration motor of the present disclosure has a good performance and a high reliability.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: December 11, 2018
    Assignee: AAC TECHNOLOGIES PTE. LTD.
    Inventors: Lubin Mao, Hongxing Wang
  • Patent number: 10153673
    Abstract: Bridge portions forming coil end portions, at both ends in an axial direction, of a stator of the rotating electrical machine according to the present invention are configured coaxially about an axis of the stator; at least one bridge portion of the bridge portions of each coil at both ends in the axial direction is located outward of an inner peripheral surface of the stator; and a gap is present between an end surface of a stator core in the axial direction and each bridge portion.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: December 11, 2018
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hironori Tsuiki, Hiroyuki Akita, Akira Hashimoto, Koji Kawamura, Sachiko Kawasaki, Atsushi Sakaue
  • Patent number: 10141821
    Abstract: A motor includes a rotor and a stator. The rotor includes a first rotor core including a plurality of first claw-like magnetic poles, a second rotor core including a plurality of second claw-like magnetic poles, and a magnetic field magnet arranged between the first and second rotor cores. The first and second claw-like magnetic poles are alternately arranged in a circumferential direction. The magnetic field magnet causes the first and second claw-like magnetic poles to function as magnetic poles different from each other. The stator includes a first stator core including a plurality of first claw-like magnetic poles, a second stator core including a plurality of second claw-like magnetic poles, and a coil section arranged between the first and second stator cores. The stator is configured to cause the first and second claw-like magnetic poles of the stator to function as magnetic poles different from each other and switch polarities of the magnetic poles on the basis of energization to the coil section.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: November 27, 2018
    Assignee: Denso Corporation
    Inventors: Yoshiaki Takemoto, Masashi Matsuda, Yusuke Morimoto
  • Patent number: 10135315
    Abstract: A generator assembly for harvesting energy in a bearing arrangement having a first component and a second component, wherein the first component is configured to rotate in relation to the second component. The generator assembly includes a plurality of coils attached to the first component, wherein the coils are configured to interact with a magnet ring with alternating magnetization directions attached to the second component. In order to achieve an adaptable and flexible design, the coils are placed and oriented such that a winding axis of the coils is oriented in an essentially circumferential direction in relation to a rotation axis of the bearing arrangement.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: November 20, 2018
    Assignee: AKTIEBOLAGET SKF
    Inventors: Georgo Angelis, Nicolaas Simon Willem Den Haak, Funda Sahin Nomaler
  • Patent number: 10131535
    Abstract: A method for fabricating a thermally isolated microelectromechanical system (MEMS) structure is provided. The method includes processing a first wafer of a first material with a glass wafer to form a composite substrate including at least one sacrificial structure of the first material and glass; forming a MEMS device in a second material; forming at least one temperature sensing element on at least one of: the composite substrate; and the MEMS device; and etching away the at least one sacrificial structure of the first material in the composite substrate to form at least one thermally isolating glass flexure. The MEMS device is thermally isolated on a thermal isolation stage by the at least one thermally isolating glass flexure. The at least one temperature sensing element in on a respective at least one of: the thermal isolation stage; and the MEMS device.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: November 20, 2018
    Assignee: Honeywell International Inc.
    Inventors: John R. Reinke, Grant H. Lodden