Patents Examined by Terrance L. Kenerly
  • Motor for electric power steering and sensing device
    Patent number: 11418085
    Abstract: The present invention may provide a motor including a housing coupled to a first bearing, a stator disposed in the housing, a rotor disposed in the stator, and a shaft coupled to the rotor, wherein the housing includes a body and a first pocket formed to be bent from one side of the body toward an inner side of the housing, the first pocket includes an extended part bent from the one side of the body and a first support part bent from the extended part, the first pocket includes a first opening formed by one side of the extended part adjacent to the one side of the body and a second opening formed by the first support part, and a size of the first opening is greater than a size of the second opening.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: August 16, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Byeong Yong Kim
  • Motor
    Patent number: 11418083
    Abstract: A motor includes a rotor including a shaft extending along a center axis in a lengthwise direction, the rotor being rotatable about the center axis, a stator opposite the rotor with a clearance between the stator and the rotor in a radial direction, and a housing accommodating the rotor and the stator. The housing includes a tubular portion extending along the center axis, and a bottom portion closing a lower opening of the tubular portion. The tubular portion includes, on its inner peripheral surface, a fitting portion fitted to the stator, and a tapered portion with a diameter gradually decreasing downward and located below the fitting portion. The tubular portion includes, in its outer peripheral surface, a recessed portion with an axial position overlapping the tapered portion and extending in a circumferential direction.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: August 16, 2022
    Assignee: NIDEC CORPORATION
    Inventors: Tatsuya Onishi, Yasuhiko Iwano, Kosuke Ogawa, Takashi Seguchi
  • Lubrication mechanism for bearing of vehicle electric motor
    Patent number: 11418092
    Abstract: A lubrication mechanism for supplying oil to a bearing of a vehicle electric motor that includes the bearing, a housing, a stator and a rotor having a rotor shaft rotatably held by the housing through the bearing. The housing defines an oil passage to which oil discharged from an oil pump is to be supplied. The oil passage and the bearing are located on respective opposite sides of a wall of the housing. The lubrication mechanism includes: a bolt hole passing through the wall; and a bolt engaged in the bolt hole.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: August 16, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Katsuhide Kitagawa, Masaki Mori
  • Electric machine, in particular for a motor vehicle
    Patent number: 11418096
    Abstract: An electric machine has a stator, which has at least one first magnet and at least one second magnet, and a rotor, which can be driven by the magnets and can rotate about an axis of rotation relative to the stator. The first magnet is held on a first ring and the second magnet is held on a second ring following the first ring in the axial direction of the electric machine. The second ring can, together with the second magnet, rotate about the axis of rotation relative to the first ring and the first magnet.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: August 16, 2022
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventor: Darius Jedrzejewski
  • Motor assembling method, centering jig, and electric motor
    Patent number: 11418095
    Abstract: A motor assembling method for an electric motor includes inserting a stator of the motor into a first housing of the motor through an opening of the first housing; fitting a shaft portion of a centering jig to an inner peripheral surface of the stator and a mounting portion of a first bearing of the motor in the first housing, and fitting a flange portion to the opening; fixing the stator on which centering is performed using the centering jig to the first housing; removing the centering jig from the first housing; and inserting a rotary shaft of the motor, the first bearing, and a second bearing of the motor into the first housing, and fixing a second housing of the motor to the opening.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: August 16, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.
    Inventors: Byeongil An, Naomichi Shibata, Yukio Yamashita
  • Rotor, motor, and driving apparatus
    Patent number: 11418098
    Abstract: Embodiments of the disclosure provide a rotor, a motor, and a driving apparatus. The rotor is defined by laminated electromagnetic steel plates. The electromagnetic steel plate includes a plurality of through hole groups running through the electromagnetic steel plate, and each through hole group includes a plurality of through holes. A central axis of a magnetic pole of the rotor is used as a d axis, and an axis that is 45 degrees from the d axis is used as a q axis, where an outer peripheral surface of the rotor that is between the d axis and the q axis is recessed radially inward relative to an outer peripheral surface of another portion of the rotor, so that the rotor is noncircular when observed in an axial direction.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: August 16, 2022
    Assignee: NIDEC CORPORATION
    Inventors: Sheng-Chan Yen, Guo-Jhih Yan, Ta-Yin Luo, Yu-Wei Hsu, Hsin-Nan Lin, Cheng-Tsung Liu
  • Gear system with motor
    Patent number: 11411465
    Abstract: A gear system connected to a motor, the motor including a motor shaft, a motor housing, and a motor flange, is provided. A first gear is attached to an axially lower end of the motor shaft. A second gear is attached to an axially upper end of a fixed shaft, the second gear meshing with the first gear and being rotatable with respect to the fixed shaft. A pivot shaft is directly or indirectly attached to the axially upper end of the fixed shaft, the pivot shaft being at least partially fixed in a third through-hole of a motor flange.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: August 9, 2022
    Assignee: NIDEC CORPORATION
    Inventor: Keisuke Fukunaga
  • Circuit board, motor and electronic power steering system
    Patent number: 11411469
    Abstract: The present disclosure provides techniques for securing a running stability of a vehicle, whereby danger of safety accident can be significantly reduced during operation of a vehicle by enabling a minimum number of Hall elements to be driven even during damage to a power terminal or to a ground unit due to defect in circuit by separately forming a power terminal supplying a power to a plurality of magnetic elements in a plurality of numbers.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: August 9, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Jin Su Pyeon
  • Motor device and method for producing same
    Patent number: 11411455
    Abstract: A wide section 71d which contacts a connector member and positions the connector member relative to a connector housing part is provided in a section where a first securing part 71b of a cover member 70 is provided and is configured so as to be wider than the other parts of the section where the first securing part 71b of the cover member 70 is provided; hence, it is possible to use the wide section 71d in the pressing section (pressing point OP) of an extrusion pin. As a result, it is possible to suppress distortion of the cover member 70 and to sufficiently smooth the welded section (first securing part 71b) of the cover member 70 even when the shape of the cover member 70 is complicated.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: August 9, 2022
    Assignee: MITSUBA Corporation
    Inventors: Masashi Suto, Naoki Ogata
  • Electric motor
    Patent number: 11411457
    Abstract: An electric motor suitable for an electric camshaft phaser comprises a main motor module and a plug-in module electrically and mechanically connected thereto. The main motor module comprises a housing shell, a stator and a rotor mounted in the housing shell by way of a rolling bearing. The main motor module is inserted into the plug-in module, and electrical connections between the plug module and the main motor module are established by insulation displacement connections, which can be produced by joining the modules in the axial direction.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: August 9, 2022
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Friedrich Schuler, Julian Junge
  • Galley insert motor having dynamic seal on exterior of motor housing
    Patent number: 11390384
    Abstract: A system may include an aircraft galley insert; an aircraft galley insert motor mount; and an aircraft galley insert motor. The aircraft galley insert motor may include: a motor housing; a dynamic seal seat extending from an exterior of the motor housing toward the aircraft galley insert motor mount; a dynamic seal installed within the dynamic seal seat and on the exterior of the motor housing, the dynamic seal preventing matter from an inner cavity from entering an interior of the motor housing; and a shaft driven by the aircraft galley insert motor, the shaft extending from within the aircraft galley insert motor, through the motor housing, through the dynamic seal, and into the inner cavity of the aircraft galley insert, wherein the dynamic seal forms a seal around the shaft as the shaft is driven and as the shaft is deflected at least by gravity effects, turbulence, and vibrations.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: July 19, 2022
    Assignee: Koninklifke Fabriek Inventum B.V.
    Inventor: Frederik A. S. Panjer
  • Rotor, motor, fan, and air conditioning apparatus
    Patent number: 11394260
    Abstract: A rotor includes: a shaft; a rotor core having an annular shape and surrounding the shaft from outside in a radial direction about a center axis line of the shaft so as to leave a space therebetween; a magnet embedded in the rotor core; and a connecting portion disposed between the shaft and the rotor core and formed of a nonmagnetic material.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: July 19, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Ryogo Takahashi, Hiroki Aso, Takaya Shimokawa, Kazuma Nomoto
  • Split electric machine for retrofit hybrid propulsion systems
    Patent number: 11394255
    Abstract: A device includes a first rotor segment and a second rotor segment, wherein the first rotor segment and the second rotor segment are configured to be directly coupled together about a shaft to form at least a portion of a unitary rotor. The device also includes a first stator segment and a second stator segment, wherein the first stator segment and the second stator segment are configured to be directly coupled together to form at least a portion of a unitary stator.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: July 19, 2022
    Assignee: Duxion Motors, Inc.
    Inventors: Rick Ralph Pilgrim, Sheikh Fazle Rabbi, Jason Aspin, Dipesh Maharjan, Richard Robert Roper
  • Integrated electric propulsion assembly
    Patent number: 11383850
    Abstract: An integrated electric propulsion assembly includes a stator including at least a first magnetic element generating first magnetic field. The assembly includes a propulsor with an integrated rotor, the propulsor further including a hub rotatably mounted to the stator and at least a second magnetic element affixed to the hub, the at least a second magnetic element generating a second magnetic field. At least one of the first magnetic field and the second magnetic field varies with respect to time, wherein the varied magnetic field includes generating a magnetic force between the at least a first magnetic element and the at least a second magnetic element, and the magnetic force causes the hub to rotate with respect to the stator.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: July 12, 2022
    Assignee: BETA AIR, LLC
    Inventors: Raffaelo Verna, Riley Griffin, Nathan Wiegman
  • Hybrid rotor for an axial flux electrical machine
    Patent number: 11374447
    Abstract: The present invention provides a rotor, an axial flux electrical machine and a hybrid-electrical or electrical air craft. The rotor for the axial flux electrical machine comprises first sections of a first material and second sections of a second material. The first sections and second sections are arranged in alternating order and ring-shape. The arrangement is characterized by third sections which form interface areas between the first sections and second sections, whereas the third sections are comprising the first material and the second material in such a manner that the first section and the second section are connected force-fitted.
    Type: Grant
    Filed: January 20, 2020
    Date of Patent: June 28, 2022
    Assignee: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
    Inventors: Anton Rudenko, Stefan Biser
  • Motor
    Patent number: 11374459
    Abstract: A motor includes a frame in the shape of a bottomed cylinder, a stator housed in the frame, a rotor, an end plate for closing an opening of the frame, and bearings rotatably supporting a rotary shaft of the rotor. The frame has, on its bottom, a bearing holder at the center and ribs extending like rays from the bearing holder radially outward and protruding to the inside of the frame. Each rib has a radially outer end reaching a circumferential wall of the frame.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: June 28, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yasuharu Uchida, Kazuo Toya, Hirofumi Mizukami
  • Bearing pressure plate and rotating electric machine using same
    Patent number: 11368068
    Abstract: The present invention provides a bearing pressure plate and a dynamo-electric machine using the bearing pressure plate which are capable of avoiding breakage of a bolt by dispersing a stress when a load due to vibrations etc. is applied. A bearing pressure plate 5 has an annular inner ring portion 11 abutting against an outer ring 3Ba of a rolling bearing 3 that supports a rotation shaft 4, an annular outer ring portion 12 located at a radial direction outer side of the inner ring portion 11 and having a plurality of bolt holes 12b through which the outer ring portion 12 is secured to a fixing portion side with a plurality of bolts 12a, and bridge portions 13 integrally connecting the inner ring portion 11 and the outer ring portion 12 at positions except the bolt holes 12b in a circumferential direction.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: June 21, 2022
    Assignee: MEIDENSHA CORPORATION
    Inventors: Akihumi Shimizu, Koji Nagata, Takashi Abe, Yoshiharu Naito
  • Bearing assembly for rotary electric machine
    Patent number: 11359672
    Abstract: A wedge for securing a bearing and a bearing sleeve to an end bell of a rotating electric machine includes an annular base extending about a centerline and having an inner surface defining an opening through the base for receiving the bearing and the bearing sleeve. The base includes opposing first and second ends spaced circumferentially from one another by a gap for allowing relative movement therebetween during securing of the bearing and the bearing sleeve to the end bell.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: June 14, 2022
    Assignee: KOCH ENGINEERED SOLUTIONS, LLC
    Inventors: Dylan Broomfield, Russel Hugh Marvin
  • Voice coil motor
    Patent number: 11356008
    Abstract: The VCM according to an exemplary embodiment of the present disclosure includes a base unit, a mover including a bobbin arranged at an upper surface of the base unit and formed with a plurality of rotation prevention units along a periphery and a first driving unit arranged at a periphery of the bobbin, a stator including a yoke configured to the base unit to surround the mover and inner yoke units each extended to between the rotation prevention units, and a second driving unit oppositely arranged to the first driving unit, and an elastic member elastically supporting the mover, wherein an object occurrence preventing portion is formed between the rotation prevention unit and the inner yoke units to decrease a contact area between the rotation prevention unit and the inner yoke units.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: June 7, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Tae Jin Jung
  • Electric machine
    Patent number: 11355992
    Abstract: An electric machine (10) has a rotor (15) and a stator (11). The rotor (15) has a rotor shaft (16) and a rotor laminated core (17). The stator (11) has a housing (12) with a housing cover (14) and a stator laminated core (13). The rotor shaft (16) is mounted rotatably in the housing (12) via bearings (18, 19). Each bearing (18, 19) has a bearing inner ring (18a, 19a) that bears against the rotor shaft (16), and a bearing outer ring (18b, 19b) that bears against the housing (12). Sections (24) of the housing (12) against which the respective bearing outer ring (18b, 19b) bears are formed from a light metal alloy material or a light metal material that has a transformed material structure such that the housing (12) is of electrically insulating configuration in these sections (24).
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: June 7, 2022
    Assignee: Dr. Ing. h. c. F. Porsche AG
    Inventor: Stefan Oechslen