Patents Examined by Eric Johnson
  • Patent number: 11770043
    Abstract: An electric motor assembly includes an impeller, a guide vane disposed at a one side of the impeller along an axial direction, a stator disposed at one side of the guide vane along the axial direction, a rotor configured to rotate relative to the stator to thereby rotate the impeller, and a frame disposed at an outside of the stator in a radial direction and coupled to the stator. The frame includes a body that has a cylindrical shape, that is disposed at the outside of the stator, and that defines an air flow path, and a plurality of stator fixing parts that protrude from an inner surface of the body and are coupled to the stator. The plurality of stator fixing parts are inclined with respect to the axial direction.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: September 26, 2023
    Assignee: LG Electronics Inc.
    Inventors: Jaegeun Noh, Jinsub Lim
  • Patent number: 11770034
    Abstract: A core is a core included in a rotor or a stator of an axial-gap rotating electrical machine, in which the core includes a block-shaped first member and a plate-shaped second member that are constituted by powder compacts; the first member includes a first surface that faces the second member, and a first coupling portion that is formed at the first surface; the second member includes a second surface that faces the first surface, and a second coupling portion that is formed at the second surface and that is coupled to the first coupling portion; one of the first coupling portion and the second coupling portion is constituted by a protrusion, and the other one is constituted by a recess having a shape corresponding to the protrusion.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: September 26, 2023
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO ELECTRIC SINTERED ALLOY, LTD.
    Inventors: Tatsuya Saito, Yuichi Nakamura, Tomoyuki Ueno, Hijiri Tsuruta, Shinichi Hirono
  • Patent number: 11764640
    Abstract: To provide a rotary apparatus able to facilitate assembly of the rotary apparatus, and an attaching structure of the rotary apparatus. A rotary apparatus (1) includes a motor (10) having motor terminals (13), terminal members (21) and (22), a first housing (60), the terminal members (21) and (22) being attached to the first housing (60), and a second housing (40) having an accommodating part configured to accommodate the motor (10), the first housing (60) being attached to the second housing (40). The first housing (60) is attachable to or separable from the second housing (40) in a predetermined direction. The terminal members (21) and (22) are electrically connected to the motor terminals (13). The terminal members (21) and (22) have externally-connected terminal portions (33) and (34) to be connected to an external unit. The predetermined direction is a longitudinal direction of the externally-connected terminal portions (33) and (34).
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: September 19, 2023
    Assignee: MINEBEA MITSUMI Inc.
    Inventor: Minoru Kuroda
  • Patent number: 11764641
    Abstract: A terminal box assembly for use with an electric motor assembly having a housing includes an annular adaptor fixedly coupled to the housing, a mounting hub extending from the housing and positioned within the adaptor, and an annular terminal box rotatably coupled to the adaptor. The terminal box includes a baseplate having a central opening defined therein and configured to receive the mounting hub therethrough. The terminal box assembly also includes a mounting bracket coupled to the mounting hub and positioned within the terminal box such that the baseplate is positioned between the mounting bracket and the adaptor. At least one fastener is inserted through an opening in the mounting bracket and is configured to selectively engage the base plate to compress the terminal box and the adaptor together.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: September 19, 2023
    Assignee: Regal Beloit America, Inc.
    Inventors: Patrick Gasser, Lawrence Trunec
  • Patent number: 11738369
    Abstract: A capacitive transducer comprising a top electrode and a bottom electrode, and a sidewall between the top electrode and the bottom electrode. The sidewall is configured to separate the top electrode and the bottom electrode by a gap. There is a high contact resistance part on one or both of a bottom side of the top electrode or a top side of the bottom electrode.
    Type: Grant
    Filed: February 17, 2020
    Date of Patent: August 29, 2023
    Assignee: GE PRECISION HEALTHCARE LLC
    Inventors: Rupak Bardhan Roy, Frederic Lanteri, Edouard Da Cruz, Bruno Haider
  • Patent number: 11715996
    Abstract: A circuit board includes a board body disposed on the opposite side of a plate-shaped portion of a center piece to a stator, and a heat generating element mounted to a surface on the plate-shaped portion side of the board body and disposed inside a radial direction range of a rotor housing. A heat-dissipation portion of a heatsink is on the plate-shaped portion side of the circuit board such that the heat-dissipation portion contacts the heat generating element either directly or through a thermally conductive material. A guide that opposes the heat-dissipation portion in an axial direction of a motor unit is formed at the plate-shaped portion. The guide forms an airflow guiding path between itself and the heat-dissipation portion, the airflow guiding path being shaped so as to guide air taken in through an air intake port from the radial direction outside toward a center of the motor unit.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: August 1, 2023
    Assignee: DENSO CORPORATION
    Inventors: Hidenori Kanda, Ko Nejigane
  • Patent number: 11716033
    Abstract: A vibration-driven energy harvesting element that outputs an alternating current power from an output line, due to vibration from outside includes: an intermediate electrode that is not connected to the output line; a plurality of electret electrodes, each electret electrode being arranged to face the intermediate electrode and having an electret on at least a part of a surface of the electret electrode on a side facing the intermediate electrode; a holding unit that holds the intermediate electrode and the plurality of electret electrodes such that the intermediate electrode and the plurality of electret electrodes can vibrate with respect to each other; and a charge injector that injects a charge having characteristics opposite to a charge of the electrets formed in the surfaces of the plurality of electret electrodes, to the intermediate electrode.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: August 1, 2023
    Assignees: The University of Tokyo, Saginomiya Seisakusho, Inc.
    Inventors: Hiroshi Toshiyoshi, Hisayuki Ashizawa, Masahiro Morita
  • Patent number: 11713754
    Abstract: The invention relates to a device for driving a compressor of a vaporous fluid, particularly an electric motor. The device has a rotor and a stator, which are extended along a common longitudinal axis, as well as an insulation element. The insulation element is designed as a single part and connected with a stator core of the stator in a form-fitting manner such that the stator core and the insulation element form an integral and single-part component of the stator. The invention further relates to a method for producing a stator of the device, particularly the stator core with the insulation element.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: August 1, 2023
    Assignee: HANON SYSTEMS
    Inventors: Bernd Guntermann, David Walisko, Stephan Heinrichs
  • Patent number: 11715988
    Abstract: An electrical motor can be selectively configured to operator between a number of different configurations to alter the cooling arrangement. The electric motor can include an enclosure aperture disposed through the motor enclosure that can be selectively sealed or opened by a removable cover plate. When the cover plate is installed, the electric motor can operate with a TEFC configuration in which an internal cooling circuit is isolated from an external fluid source. When the cover plate is removed, the internal airflow can thermally interact with an external airflow from an external fluid source.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: August 1, 2023
    Assignee: ABB Schweiz AG
    Inventors: Matthew Truett, Christopher A. Stockton, Steven D. Browne
  • Patent number: 11699936
    Abstract: A rotary actuator is used in a shift-by-wire system for a vehicle. The actuator includes a motor, a controller, an upper case, a lower case, a case fastening member, and a board fixing member. The controller controls the motor. The upper case is made from resin and houses the controller. The lower case houses the motor together with the upper case. The case fastening member is made from metal and fastens the upper case and the lower case to each other. The board fixing member fixes a board of the controller to the case fastening member.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: July 11, 2023
    Assignee: DENSO CORPORATION
    Inventors: Mikine Kume, Hiroyuki Kado
  • Patent number: 11699941
    Abstract: A method of electrically grounding a rotor shaft of an electric motor includes removing a first lockplate fastener from a motor endshield and an internal bearing lockplate. A second lockplate fastener remains coupled to the motor endshield and internal bearing lockplate such that the internal bearing lockplate stays secured along an interior side of the motor endshield. A mounting plate of a shaft ground assembly is positioned along an exterior side of the motor endshield. The mounting plate supports a shaft ground that includes a conductive element configured to electrically couple to the rotor shaft. The first lockplate fastener is replaced with a first mounting plate fastener coupled to the mounting plate, motor endshield, and bearing lockplate to secure the mounting plate to the endshield and to secure the bearing lockplate along the interior side of the motor endshield.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: July 11, 2023
    Assignee: Nidec Motor Corporation
    Inventors: Steven R. Palmer, Jeffrey Scott Sherman, Chuck Roessler, Mark C. Dierkes
  • Patent number: 11695314
    Abstract: An electric drive unit includes a multi-phase AC motor including a plurality of first terminals, and a power converter including a plurality of second terminals. The power converter is fixed to an electric motor case so as to partially overlap the AC motor in an axial direction with a wall portion interposed therebetween. Each first terminal includes a first extended portion extending from the stator along the axial direction, and a first fastening portion. Each second terminal includes a second extended portion extending along an extending direction at a portion of the power converter that does not overlap the AC motor in the axial direction; and a second fastening portion. The electric motor case includes a communication hole formed in the wall portion, and a service hole formed in a portion located on an extension line of the fastener parallel to an insertion direction of the fastener.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: July 4, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Fumiki Tanahashi
  • Patent number: 11682948
    Abstract: A control device for controlling an electric motor of an electrical device may include a flat plate and a power electronics. The plate may extend in a plate plane. The power electronics may include a plurality of electronic components arranged and interconnected on the plate. The power electronics may have at least one electronic power component that produces waste heat during operation. The at least one electronic power component may be arranged such that a body of the at least one electronic power component penetrates the plate plane. A plurality of power connections, via which the at least one electronic power component may be interconnected to the plurality of electronic components, may be arranged at an edge of the plate.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: June 20, 2023
    Inventors: Thomas Bielesch, Michael Boehm, Andrej Rul, Wojciech Stasch, Stefan Wehle, Benjamin Weimann
  • Patent number: 11677285
    Abstract: A rotor hub comprises an inside cylindrical portion extending in an axial direction on an inner surface side of a rotor yoke and an outside cylindrical portion extending in the axial direction on an outer surface side of the rotor yoke, a motor gear wheel is integrally moulded on a portion of said outside cylindrical portion, and a rotor unit is assembled with a stator unit in such a way that a fixed shaft is inserted into a cylindrical hole in the rotor hub and a rotor magnet and pole teeth are facing.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: June 13, 2023
    Assignee: SHINANO KENSHI KABUSHIKI KAISHA
    Inventors: Shou Tomiyama, Makoto Aida, Mario Fiorucci, Andreas Furrer, Stefan Wildhaber
  • Patent number: 11677291
    Abstract: A motor includes a motor main body including a rotor and a stator, a housing that houses the motor main body, a controller that is located above the motor main body o controls rotation of the rotor, and a cover that surrounds the controller from a radially outer side. The housing includes a cover joint that is annular and surrounds the controller when viewed in an axial direction. The cover includes a cylindrical portion that surrounds the cover joint from an outside in a radial direction. The cover joint includes a contact portion that contacts a surface of the cylindrical portion in the radial direction and an adhesive joint that is bonded with the cylindrical portion via an adhesive in the radial direction. The contact portion and the adhesive joint are adjacent each other in a circumferential direction.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: June 13, 2023
    Assignee: NIDEC CORPORATION
    Inventors: Takashi Hattori, Yuichi Nishikawa, Takao Atarashi, Yuki Hamada, Yu Kuwamoto
  • Patent number: 11670993
    Abstract: A motor unit includes a motor having a motor shaft extending along a first direction, an inverter that supplies electric power to the motor, a housing that supports the motor therein, an inverter case that is fixed to one side of the housing in a second direction orthogonal to the first direction and that houses the inverter, and a plurality of bolts that fasten the housing and the inverter case. The plurality of bolts include a first bolt extending along the first direction, a second bolt extending along the second direction, a third bolt extending along a third direction orthogonal to both the first direction and the second direction, and one or more fourth bolts extending in a fourth direction intersecting all of the first direction, the second direction and the third direction.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: June 6, 2023
    Assignee: NIDEC CORPORATION
    Inventors: Yuki Ishikawa, Yohei Miyata
  • Patent number: 11670982
    Abstract: A motor apparatus has a cooling structure capable of effectively cooling the motor by inducing a fluid flow into the motor. In particular, the motor apparatus includes: a first part having a first flow path and a motor installed thereon; a second part having a second flow path and configured to be rotatably mounted on the first part and connected to the motor; and a turbine portion coupled to the second part and including disks stacked on one another forming spaces therebetween. When the turbine portion is rotated together with the second part, air is drawn through the first flow path or the second flow path and introduced into an opening hole of each of the disks, and the air is discharged into the spaces formed between the respective disks to cool the motor.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: June 6, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Hyun Seok Hong, Woo Suk Jung, Hyun Su Cho, Sang Hyun Jung, Hee Kwang Lee
  • Patent number: 11670975
    Abstract: The present invention provides a motor comprising: a rotating shaft; a rotor including a hole through which the rotating shaft is inserted; and a stator disposed outside the rotor, wherein the rotor comprises a rotor core surrounding the rotating shaft, and a plurality of magnets coupled to the rotor core, the magnets are disposed such that each two magnets, adjacent to each other in the axial direction of the rotating shaft, have a predetermined spacing therebetween, and the sum of the spacings is 0.04 to 0.07 times the axial length of the stator.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: June 6, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Seong Jin Lee, Bong Bae Kong
  • Patent number: 11658539
    Abstract: Insulators each include a plurality of board holding claws projecting from an outer peripheral edge of the circuit board for engaging a plurality of board recesses, the plurality of board holding claws are arranged on the outer peripheral edge of the circuit board such that an interval of board holding claws on a connector-mounted side is smaller than an interval between board holding claws on a counter-connector-mounted side, and a load receiving pin, which receives a radial load, projects at a counter-connector-mounted position, which is opposite to a mounted position of a connector.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: May 23, 2023
    Assignee: SHINANO KENSHI KABUSHIKI KAISHA
    Inventor: Yo Hirose
  • Patent number: 11652394
    Abstract: The present disclosure concerns a haptic solenoid assembly for transmission of amplified vibrations to a vibrated member, the haptic solenoid assembly comprising a stationary pole comprising a casing defining a plunger-receiving cavity opening out in the casing and a coil at least partially surrounding the plunger-receiving cavity; a mobile pole comprising a mobile pole body at least partially received in the plunger-receiving cavity and displaceable therein when an electric current is provided to the coil; and a lever-mounting portion protruding outwardly from the plunger-receiving cavity and engageable to the vibrated member; and a solenoid vibration-damping system engaged to the stationary pole and at least partially surrounding the plunger-receiving cavity. The present disclosure also concerns a haptic solenoid system comprising a haptic solenoid assembly and a vibration-transmitting member connected to the lever-mounting end portion of the mobile pole and engageable to the vibrated member.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: May 16, 2023
    Assignee: INNOVOBOT INC.
    Inventors: Neil Olien, Robert Paul Gregorio