Patents Examined by Terrance L. Kenerly
  • Patent number: 11190082
    Abstract: An electric actuator includes a motor including a rotor having a motor shaft extending along a central axis and a stator, a deceleration mechanism connected to the motor shaft, an output shaft, a bearing, and a deceleration mechanism case. The motor shaft includes an eccentric axis part with an eccentric axis as a center. The bearing is fitted on of the eccentric axis part. The deceleration mechanism includes an internal gear in a ring shape; an external gear connected to the eccentric axis part via the bearing and engaging with the internal gear; and an output flange part which transmits rotation of the external gear around the central axis to the output shaft. The deceleration mechanism case includes a plurality of gear supporting parts which support an end surface of the internal gear facing one axial-direction side and which are disposed in a circumferential direction with intervals from one another.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: November 30, 2021
    Assignee: NIDEC TOSOK CORPORATION
    Inventors: Shuichi Kinjo, Hiroshi Shirai, Yutaka Uematsu
  • Patent number: 11183915
    Abstract: An electric element includes a substrate including a resin layer and a first conductive body, and a magnet. The substrate includes a first principal surface facing the magnet. The first conductive body includes a coil portion having a winding axis orthogonal to the first principal surface and located on a side closest to the first principal surface. The coil portion includes a continuous coil conductor including a first coil surface facing the first principal surface and a second coil surface opposite to the first coil surface. The coil conductor has a non-uniform thickness in a winding axis direction varying a distance between the first and second coil surfaces, and a difference of maximum and minimum values of distance between the first coil surface and the first principal surface is smaller than a difference of maximum and minimum values of distance between the second coil surface and the first principal surface.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: November 23, 2021
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Shingo Ito
  • Patent number: 11183903
    Abstract: An apparatus includes an inner rotor motor and a stationary wiring conduit. The inner rotor motor includes a stator and a rotor spaced at least in part radially inside the stator. The rotor is rotatable relative to the stator about an axis. The rotor includes a rotatable shaft that presents a shaft bore extending axially therethrough. The stationary wiring conduit extends through the shaft bore and is fixed relative to the motor housing. The shaft bore rotatably receives the wiring conduit, such that the wiring conduit is permitted to remain stationary as the shaft rotates.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: November 23, 2021
    Assignee: Nidec Motor Corporation
    Inventors: Matthew D. Allen, Aaron Davies, Daniel J. Suda, Philip S. Johnson, Michael W. Major
  • Patent number: 11180247
    Abstract: One embodiment discloses a drone motor and a drone comprising the same, the drone motor comprising: a rotating shaft; a stator comprising a hole into which the rotating shaft is inserted; and a rotor arranged on the outer side of the stator, wherein a support member is arranged between the rotating shaft and the stator, and a bearing is arranged between the support member and the stator, wherein the support member comprises a body part which surrounds the rotating shaft, and a flange part which couples with the rotor.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: November 23, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Young Dae Park
  • Patent number: 11177722
    Abstract: An automotive electrical gas pump includes an electronically commutated motor which drives a motor rotor to rotate within a motor can. The motor has a motor stator which comprises at least one static electro-magnetic coil. An electronic circuit board drives the at least one electro-magnetic coil. A mounting frame includes a motor can and a stator bed. The stator bed embeds the motor stator at least in part. The mounting frame is made of a plastic material which includes a thermally high-conductive filler material.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: November 16, 2021
    Assignee: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: Frank Buerger, Andreas Wulf, Wolfgang Pilenz
  • Patent number: 11177723
    Abstract: A rotor includes a shaft extending along a central axis, a sensor magnet positioned on one axial side of the shaft, a magnet holder that includes a circumferential wall which is open on another axial side and accommodates an end portion on the one axial side of the shaft and the sensor magnet therein, and a support wall positioned on the one axial side of the sensor magnet, the magnet holder being fixed to the shaft, and a filling that fills an inside of the circumferential wall. The sensor magnet is sandwiched between the support wall and the filling in an axial direction.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: November 16, 2021
    Assignee: NIDEC CORPORATION
    Inventors: Shuji Iwasaki, Takao Atarashi, Takahiro Uetani
  • Patent number: 11171523
    Abstract: In a rotary electric machine, slots are formed between teeth of a stator core. A ratio of a number of poles to a number of slots is 2:3. When an electrical angle of a tooth tip width, which is a width dimension of a tip of each of the teeth in a circumferential direction of the stator, is represented by ?, an electrical angle of a pole arc angle, which is an angle formed by two straight lines that connect a rotation center of a rotor to corners on a rotor surface side of one permanent magnet, is represented by ?, and a number of pole pairs is represented by P, the tooth tip width is within a range of (electrical angle)±0.2°×P for a value that satisfies the following expression: ?=?2.5?+319.7 (0<??180) [deg].
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: November 9, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Moriyuki Hazeyama, Junji Kitao, Yoshihiro Miyama, Shogo Okamoto, Shinji Nishimura, Ryuichi Kitora, Ryuji Kitamura, Hitoshi Isoda
  • Patent number: 11159067
    Abstract: A rotor includes a first rotating body and a second rotating body. The first rotating body includes a first rotor core and first magnets arranged in a circumferential direction. An outer side surface of the first rotating body includes first outer side surfaces curved in a circular arc shape and arranged in the circumferential direction. The first outer side surface is an outer side surface of the first magnet or an outer side surface of the first rotor core. The second rotating body is positioned on a side lower than the first rotating body in an axial direction and includes a second rotor core and second magnets arranged in the circumferential direction. An outer side surface of the second rotating body includes second outer side surfaces curved in a circular arc shape and arranged in the circumferential direction.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: October 26, 2021
    Assignee: NIDEC CORPORATION
    Inventors: Akira Ichien, Hiroshi Kitagaki, Yuya Saito, Chiharu Kobayashi
  • Patent number: 11152837
    Abstract: A generator arrangement includes a housing with a mounting feature, a main generator with an outboard shaft arranged within the housing and axially offset from the mounting feature along a rotation axis, and a permanent magnet generator. The permanent magnet generator has an inboard shaft arranged within the housing between the main generator and the mounting feature. The outboard shaft is coupled to the inboard shaft to provide rotation to the main generator through the permanent magnet generator. Accessory gearboxes and methods of generating electrical power are also described.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: October 19, 2021
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Aaron M. Finke, Andreas C. Koenig, Glenn C. Lemmers, Jr., Jonathan C. Dell, Andrew P. Grosskopf
  • Patent number: 11152832
    Abstract: An electric actuator includes a motor and a deceleration mechanism. The motor has a motor case having a first opening end surface. The deceleration mechanism has a deceleration mechanism case having a second opening end surface. The motor case and the deceleration mechanism case are connected via a sealing member. The first opening end surface has a first end surface body part and a first end surface protrusion part. The second opening end surface has a second end surface body part and a second end surface protrusion part. The sealing member has a body part sealing part and a protrusion part sealing part. The protrusion part sealing part has an axial-direction protrusion that faces a side surface of the motor case in the first end surface protrusion part or a side surface of the deceleration mechanism case in the second end surface protrusion part in a circumferential direction.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: October 19, 2021
    Assignee: NIDEC TOSOK CORPORATION
    Inventors: Shuichi Kinjo, Hiroshi Shirai, Yutaka Uematsu
  • Patent number: 11146148
    Abstract: The present invention relates to a BLDC motor integrated with an inverter, having a motor and an inverter part that are integrally formed, and to a BLDC motor integrated with an inverter, having an improved arrangement of switching elements mounted on a PCB substrate of an inverter part and three phase terminals of a stator coil such that the inverter part including the PCB substrate can be compactly formed.
    Type: Grant
    Filed: April 5, 2018
    Date of Patent: October 12, 2021
    Assignee: Hanon Systems
    Inventors: Ho Bin Im, Hee Kwon Park, Hyeon Jae Shin, Jae Won Lee, Kyung Hun Jung, Seong Kook Cho, Ho Youn Kim
  • Patent number: 11146149
    Abstract: An electric motor is provided that includes: a stator assembly; a rotor assembly for rotating inside the stator assembly, the rotor assembly including a shaft; a magnet mounted on the shaft of the rotor assembly; a printed circuit board; a magnetic sensor mounted on the printed circuit board; and an overmold assembly having a membrane disposed between the magnet and the magnetic sensor such that the magnetic sensor can sense the angular position of the magnet through the membrane.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: October 12, 2021
    Assignee: GHSP, Inc.
    Inventors: Ryan Rosinski, Jian Peng He
  • Patent number: 11146150
    Abstract: A motor control device includes a base board, a drive board including switching devices including switching elements for power conversion, disposed along a plane intersecting the base board, and attached to the base board, and a board including a processor configured to execute computation processing for controlling the switching devices, disposed along a plane intersecting the base board, and attached to the base board.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: October 12, 2021
    Inventors: Ryuichi Soda, Kenichi Sadakane, Keijiro Misu
  • Patent number: 11146128
    Abstract: A squirrel-cage rotor includes a slot having an outside circumference edge which is near the outer side of the rotor iron core and has a first corner at one end and a second corner at the other end and whose shape expands toward the outer side beyond a first virtual circle that connects the first corner and the second corner and is concentric with the rotor iron core. It also has an inside circumference edge which is near the inner side and has a third corner having a curvature radius smaller than that of the first corner at one end and a fourth corner having a curvature radius smaller than that of the second corner at the other end and whose shape expands toward the outer side beyond a second virtual circle that connects the third corner and the fourth corner and is concentric with the rotor iron core.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: October 12, 2021
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hiroaki Moriya, Shogo Iguchi, Yoshiharu Takashima, Moriyuki Hazeyama, Takahiro Mizuta
  • Patent number: 11139721
    Abstract: A motor component for a linear motor, in particular a primary part and/or stator, which comprises a laminated core and a cooling body, wherein at least two grooves are arranged in the laminated core in order for at least two windings and/or at least two permanent magnets to be mounted in the grooves, wherein the grooves are arranged in parallel in one plane in the laminated core. In order to be able to produce good cooling and nevertheless provide a cost-effective motor component, the cooling body is connected to the laminated core and arranged parallel to the arrangement of the grooves, wherein the laminated core and the cooling body are adhesively bonded to one another.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: October 5, 2021
    Assignee: Kessler Energy GmbH
    Inventors: Patrick Trolliet, Markus Sinner, Christoph Zeumer, Daniel Borst, Markus Menz
  • Patent number: 11139726
    Abstract: An electromagnetic generator comprises one or more flux assembly having at least one coil and at least one magnetic field source separated by a gap. An interference drum has a sidewall at least partially positioned inside the gap and comprising at least one magnetic field permeable zone and at least one magnetic field impermeable zone. The interference drum is movable relative to the at least one coil and to the at least one magnetic field source to alternatively position the at least one magnetic field permeable zone and the at least one magnetic field impermeable zone of the sidewall inside the gap. When the interference drum is moved, magnetic flux is created in the coil, and induces electrical current to flow into the coil. The coil may be connected to an external circuit, such that the electrical current may flow through the external circuit.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: October 5, 2021
    Assignee: Prototus, Ltd.
    Inventor: Carl E. Copeland, Jr.
  • Patent number: 11139756
    Abstract: In some embodiments, a device, such as a transducer, includes a polymer element disposed between electrodes, and a control circuit configured to apply electrical potentials having the same polarity to the electrodes. A separation distance between the electrodes may be increased by an electrostatic repulsion between the electrodes. Various other devices, systems, methods, and computer-readable media are also disclosed.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: October 5, 2021
    Assignee: Facebook Technologies, LLC
    Inventors: Yigit Mengue, Andrew John Ouderkirk, Christopher Yuan Ting Liao, Katherine Marie Smyth, Thomas John Farrell Wallin, Jack Lindsay, Austin Lane, Tanya Malhotra, Kenneth Diest
  • Patent number: 11133724
    Abstract: A rotor for an electric machine includes a rotor core having at least one internal cavity. A pair of features are defined by the rotor core and extend into the cavity. A structural element is compressed between the features so that a preload may be established between the features and the structural element.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: September 28, 2021
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Derek F. Lahr, Alireza Fatemi, Farzad Samie
  • Patent number: 11133727
    Abstract: An electric actuator includes a motor including a rotor having a motor shaft extending along a central axis and a stator, a deceleration mechanism connected to the motor shaft, an output shaft, a first bearing, a second bearing, and a deceleration mechanism case. The first bearing is fitted on an eccentric axis part of the motor shaft. The deceleration mechanism includes an internal gear in a ring shape, an external gear connected to the eccentric axis part, and an output flange part which transmits rotation of the external gear around the central axis to the output shaft. The deceleration mechanism case includes a case body and a cup member. The cup member includes a first cylinder part to which the internal gear is fitted on the radial-direction inner side, and a second cylinder part to which the second bearing is fitted on the radial-direction inner side.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: September 28, 2021
    Assignee: NIDEC TOSOK CORPORATION
    Inventors: Shuichi Kinjo, Hiroshi Shirai, Yutaka Uematsu
  • Patent number: 11133757
    Abstract: A system for combined heat and electric power generation, preferably including a heat reservoir and one or more electric generators, each preferably including a heat source and an energy converter. A method for combined heat and electric power generation, preferably including activating an electric generator, deactivating the electric generator, and/or providing heat from a heat reservoir.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: September 28, 2021
    Assignee: Spark Thermionics, Inc.
    Inventors: Adam Lorimer, Jared William Schwede