Connectors, Terminals Or Lead-ins Patents (Class 310/71)
  • Patent number: 11563349
    Abstract: Various embodiments relate to a motor in which a structure of an insulator is improved. The motor includes an insulator module coupled to a top face of a stator core. The insulator module includes: each power terminal unit connected to each of 3-phases power lead wires; a neutral terminal unit connected to a neutral point of a coil; and an insulator body for achieving insulations between the power and neutral terminal units and the stator core, and between the power and neutral terminal units, wherein the power terminal unit and the neutral terminal unit are positioned at different vertical levels.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: January 24, 2023
    Assignee: LG Electronics Inc.
    Inventors: Jin Hong, Cheol Han, Kwangyong Jang
  • Patent number: 11557936
    Abstract: A motor includes a wire support member that includes a wire holding portion that holds one portion of coil lead wires among the coil lead wires extending upward from a coil, a first conducting member that electrically connects the other portion of the coil lead wires to each other, and a main body portion that supports the wire holding portion and a first conducting member, a bus bar unit includes a second conducting member connected to the coil lead wire held by the wire holding portion, and a bus bar holder that holds the second conducting member, and a bearing holder includes a through-hole which penetrates the bearing holder in an axial direction and through which a coil end of the coil lead wire or the second conducting member passes.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: January 17, 2023
    Assignee: NIDEC CORPORATION
    Inventors: Kosuke Ogawa, Takashi Hattori, Shunsuke Murakami, Takao Atarashi, Hidehiro Haga
  • Patent number: 11545867
    Abstract: An electric machine includes a stator assembly and a bus bar assembly. The stator assembly includes a core with windings positioned on the core. The windings include in-slot portions, end turns, and leads. The leads extend from the in-slot portions at one of the ends of the core with ends of the leads extending axially past the end turns. The leads include a first plurality of leads positioned on a first side of the stator opposite a second plurality of leads positioned on a second side of the stator. The bus bar is substantially circular in shape and positioned radially inward from the end turns. The bus bar assembly includes three bus bars, each bus bar connecting at least one of the first plurality of leads to at least one of the second plurality of leads.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: January 3, 2023
    Assignee: BorgWarner Inc.
    Inventors: Ian N. Alsman, Christopher Bledsoe, Kirk Neet
  • Patent number: 11545874
    Abstract: An electronic assembly includes a flexible printed circuit board (PCB) circumferentially disposed around a motor and a thermal management assembly (TMA) thermally connected to the flexible PCB. One or more switching semiconductor devices are disposed on a first surface of the flexible PCB. The TMA includes a cooling jacket, at least one jacket manifold formed through the cooling jacket and a thermal compensation base layer thermally coupled to the cooling jacket. The cooling jacket is mounted around a circumference of the motor and has a mounting surface concentric with the circumference of the motor. The mounting surface is coupled to the first surface of the flexible PCB. The at least one jacket manifold has a fluid inlet and a fluid outlet defining a fluid flow area therebetween. The thermal compensation base layer is thermally coupled to the cooling jacket and the one or more switching semiconductor devices.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: January 3, 2023
    Assignee: TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
    Inventors: Shailesh N. Joshi, Shohei Suenaga
  • Patent number: 11539260
    Abstract: Embodiments of the present application provide a stator, comprising a coil group is provided with a first end part, a second end part, multiple coils respectively wound on a multiple teeth, and a transition line part configured to connect multiple coils, the first end part is provided with a first overlapping part having the same position as at least a part of the second end part in the circumferential direction, the second end part is provided with a second overlapping part having the same position as the first overlapping part in the circumferential direction, and a coil connecting part is connected with the first overlapping part and the second overlapping part.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: December 27, 2022
    Assignee: NIDEC CORPORATION
    Inventors: Yusaku Yoshida, Shunsuke Murakami, Yu Wang, Ting Huang
  • Patent number: 11536282
    Abstract: A built-in electric air pump for an inflatable product includes an outer casing, an inner casing, a motor, and an impeller. The outer casing has an accommodating cavity therein. The inner casing is rotatably disposed in the accommodating cavity. By rotating the inner casing, the inflatable product can be inflated or deflated.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: December 27, 2022
    Assignee: ZHEJIANG HONGZHU PLASTIC & HARDWARE CO., LTD.
    Inventor: Wei-Ting Tsai
  • Patent number: 11532965
    Abstract: The present disclosure discloses an electric-machine housing structure, wherein the electric-machine housing structure includes an outer housing, an inner housing and a plurality of intermediate pieces provided between the outer housing and the inner housing; and the intermediate pieces are overall hollow arcuate structures or annular structures, upper surfaces and lower surfaces of the intermediate pieces are provided with a plurality of protrusions and/or grooves, the protrusions and/or grooves of the upper surfaces match with and are fixed to grooves and/or protrusions on an inner circumferential face of the outer housing, and the protrusions and/or grooves of the lower surfaces match with and are fixed to grooves and/or protrusions on an outer circumferential face of the inner housing.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: December 20, 2022
    Assignee: Jing-Jin Electric Technologies Co., Ltd.
    Inventors: Ping Yu, Zhe Feng, Kui Yang, Haibin Wang, Kunxing Sun
  • Patent number: 11532966
    Abstract: A terminal connection structure for a rotary machine which electrically connects the rotary machine and a terminal block of a power control unit, comprises a terminal including a layered portion connected to a winding of the rotary machine and formed by layering at least a first conductor portion and a second conductor portion; and a fastening member fastening the terminal and the terminal block of the power control unit.
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: December 20, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Hiroki Kato
  • Patent number: 11527928
    Abstract: A stator of a motor for an automobile includes a plurality of assemblies disposed in a curve shape to form a hole at a center of the stator. Each of the plurality of assemblies includes: a stator core; a bobbin surrounding an outer surface of the stator core; a coil being wound multiple times around the bobbin and connected to a lead-in line and a lead-out line disposed at both ends thereof, respectively; and a plurality of bus bars disposed on the bobbin. At least one of the plurality of the bus bars is connected to the lead-in line or the lead-out line. Some of the plurality of bus bars intersect each other.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: December 13, 2022
    Assignee: Hyundai Mobis Co., Ltd.
    Inventor: Jin Ho Jung
  • Patent number: 11527935
    Abstract: To provide an on-vehicle brushless motor device capable of being downsized with respect to an axial direction of a rotor and a method of manufacturing the same. The on-vehicle brushless motor device 1 includes a brushless motor 10 and an electronic substrate 30. The brushless motor 10 includes a rotor 12 and a stator 16 including a plurality of coils 18 arranged around the rotor 12. The electronic substrate 30 is arranged on a side opposite to an output side of the brushless motor 10 along a plane P intersecting an axial direction X. The on-vehicle brushless motor device 1 further includes a soldering portion 40 that connects a coil wire 20 of the coil 18 and the electronic substrate 30.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: December 13, 2022
    Assignee: MIKUNI CORPORATION
    Inventor: Tadashi Kobayashi
  • Patent number: 11522405
    Abstract: A motor for a driving device includes a rotor rotatable around a central axis, a stator facing the rotor, a busbar electrically connected to the stator, a busbar support to hold the busbar, a terminal bar including a first end electrically connected to the busbar, the terminal bar including a connection terminal at a second end and that is to be electrically connected to the driving device, and a seal to be attached to the driving device and located between the busbar and the connection terminal. The seal portion includes a through-hole into which the terminal bar is press-fitted.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: December 6, 2022
    Assignee: NIDEC CORPORATION
    Inventors: Hiroshi Sambuichi, Nakaba Kataoka
  • Patent number: 11515766
    Abstract: A manufacturing method of an electric pump includes engaging and welding first and second extended portions with first and second hooks, respectively, and cutting a plurality of connecting portions after the engaging and welding.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: November 29, 2022
    Assignee: SHINANO KENSHI CO., LTD.
    Inventor: Takeshi Miyasaka
  • Patent number: 11509188
    Abstract: An end plate for a motor with a motor casing. The end plate includes a body adapted to be coupled to the motor casing and cover an opening of the motor casing. The body defines a ribbed structure to shield a power terminal assembly disposed laterally outwardly with respect to the motor casing. The ribbed structure includes a first rib and a second rib spaced apart from the first rib, and the power terminal assembly is adapted to be coupled to and be captured in between the first rib and the second rib.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: November 22, 2022
    Assignee: Caterpillar Inc.
    Inventors: Keith Allen Leisinger, Gregory Austin, Lance Mathew Cowper, Joseph D. Tigue
  • Patent number: 11509192
    Abstract: In at least one illustrative embodiment, a power tool may comprise an electric motor comprising a rotor configured to rotate about an axis, a stator assembly including at least three windings arranged around the rotor, and at least three lugs affixed to the stator assembly, where each of the lugs is electrically coupled to one or more of the windings. The lugs may all be arranged to one side of a plane that passes through the axis. The power tool may further comprise at least three electrical wires, where each of the electrical wires is removably coupled to one of the lugs, and a control circuit configured to supply electrical power to the windings, via the electrical wires and the lugs, to drive rotation of the rotor about the axis.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: November 22, 2022
    Assignee: Ingersoll-Rand Industrial U.S., Inc.
    Inventors: Sean C Ely, Jason Christopher Bartoszek, Douglas Fornell Leavitt
  • Patent number: 11502559
    Abstract: Stator and method for producing a stator for an electrical machine, comprising a stator main body (34) which has radial stator teeth (14) for receiving coils (17) of an electrical winding and, on an end side of the stator main body (34), has an insulating lamination (40) with receiving pockets (46) for insulation-displacement terminal elements (70), wherein the coils (17) are wound by means of a winding wire which is inserted into the receiving pockets (46), wherein an interconnection plate (52) has annular conductors (84) on which in each case a plurality of insulation-displacement terminal elements (70) are arranged, which insulation-displacement terminal elements axially engage into the receiving pockets (46) in order to make electrical contact with the winding wire, wherein the interconnection plate (52) is manufactured from plastic and has annular grooves (59) which are open axially at the bottom and into which the annular conductors (84) are inserted.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: November 15, 2022
    Assignee: Robert Bosch GmbH
    Inventors: Janos Tamas Csoti, Roman Koch, Thomas Devermann
  • Patent number: 11502575
    Abstract: A motor includes a stator to which a substrate can be stably secured without increasing the size of the substrate. An air-conditioning apparatus includes the motor. At an end portion of the stator in the axial direction thereof, a substrate on which electronic components are mounted is provided. The stator includes: a stator core formed by stacking electromagnetic steel sheets, and including a plurality of teeth; insulators provided on the stator core; and a wire wound around the teeth, the teeth being coated with the insulators. The insulators have outer walls provided on respective core backs of the stator core.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: November 15, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Mineo Yamamoto, Hiroyuki Ishii, Junichiro Oya, Yuto Urabe
  • Patent number: 11502572
    Abstract: An electric machine stator includes a cylindrical core, windings, a plurality of terminal plates, a plurality of parallel lead wire pairs. The cylindrical core extends axially between a front surface and a back surface. The windings have multiple phases and are disposed radially along the core. Each of the pairs of parallel lead wires extend axially between the front surface and one of the terminal plates. Each of the pairs of parallel lead wires electrically connects one of the terminal plates to one phase of the windings.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: November 15, 2022
    Assignee: Ford Global Technologies, LLC
    Inventor: Aidan Samir
  • Patent number: 11499595
    Abstract: A sealed actuator with internal clutching assembly including an output shaft, output detent ring, moving detent ring, and a wave spring, which is fit inside a sealed housing. The moving detent ring is able to move axially to the output shaft and the output detent ring is able to rotate on the output shaft. Intermeshing ramped teeth of these rings are held together by a wave spring and allow the output shaft to rotate and transmit torque of a motor through a main gear operably coupled to an output gear mounted on the output shaft to the outside of the housing. During predetermined high loads, the output and moving detent rings ramped teeth create an axial force that overcomes the load from the wave spring, which allows moving detent ring to disengage and output shaft to rotate freely to help prevent damage to the actuator.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: November 15, 2022
    Assignee: MAGNA EXTERIORS, INC
    Inventors: Martin R. Matthews, Anthony J. Povinelli
  • Patent number: 11496009
    Abstract: A stator includes a stator core, first to third phase windings, and a busbar unit. Each of the first to third phase windings includes segment conductors inserted into slots of the stator core, and has a power point and a neutral point each protruding from an end face of the stator core. The busbar unit includes first to third power busbars coupled respectively to the power points of the first to third phase windings, and a neutral busbar coupled to the neutral points of the first to third phase windings. In circumferential directions of the stator core, the neutral point of the third phase winding is disposed between the power points of the first and second phase windings, and the power point of the third phase winding is disposed between the neutral points of the first and second phase windings.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: November 8, 2022
    Assignee: SUBARU CORPORATION
    Inventors: Haruka Kojima, Nobuhiko Tanaka
  • Patent number: 11496025
    Abstract: The invention relates to a stator (8) for an electric rotating machine (2), which stator has a laminated stator core (16) having coil bars (20) and has at least one stator winding head board (24) having an insulating main body (28). In order to reduce the axial length of the stator (8), according to the invention, conducting tracks (26) are integrated into the insulating main body (28), wherein the at least one stator winding head board (24) lies on an end face (23) of the laminated stator core (16) and wherein the conducting tracks (26) are integrally bonded to the coil bars (20).
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: November 8, 2022
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventor: Horst Kuemmlee
  • Patent number: 11496022
    Abstract: A power tool including a housing, a controller within the housing, and a brushless motor within the housing and controlled by the controller. The brushless motor including a stator assembly including a stator core having stator laminations with an annular portion and inwardly extending stator teeth. The stator assembly defines a stator envelope in an axial direction extending between axial ends of stator end caps of the stator assembly. The brushless motor further includes a rotor assembly including a rotor core having rotor laminations and defining a central aperture that extends in the axial direction and that receives a shaft, and a position sensor board assembly including position sensors and configured to provide position information of the rotor core to the controller. The rotor assembly and the position sensor board assembly are provided at least partially within the stator envelope.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: November 8, 2022
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Andrew T. Beyerl, Keith Boulanger, Alex Huber, William A. Elger, Jeffrey M. Wackwitz
  • Patent number: 11489416
    Abstract: A motor controller is disclosed.
    Type: Grant
    Filed: July 18, 2020
    Date of Patent: November 1, 2022
    Assignee: MANDO CORPORATION
    Inventors: Ji Hwan Kim, Joon Ho Jung
  • Patent number: 11489401
    Abstract: A rotating electric machine for a vehicle includes a rectifier constituting a rectification circuit which rectifies the alternating current generated in the stator; a battery terminal protruding from the rectifier and configured to be connected with a battery cable; an insulating member having a through hole in which the battery terminal is inserted; and a waterproof cap attached to the insulating member so as to cover a connection part of the battery terminal with the battery cable in a waterproof state. One of an inner peripheral surface of the through hole of the insulating member and an outer peripheral surface of the battery terminal has a conical tapered face. The insulating member and the battery terminal are pressed against each other at the tapered face.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: November 1, 2022
    Assignee: DENSO CORPORATION
    Inventor: Kazuki Morishita
  • Patent number: 11489400
    Abstract: A motor device and a method for producing same are provided. A connector storage unit (33d) and a substrate storage unit (33c) which are provided in a gear case (31) open in a direction (axial direction of output shaft) which intersects the axial direction of an armature shaft. As a result, when assembling a motor device (10), it is possible to store a connector member (60) and a control substrate (50) in the connector storage unit (33d) and the substrate storage unit (33c), which have comparatively large openings, by insertion therein from the same direction.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: November 1, 2022
    Assignee: MITSUBA Corporation
    Inventors: Masashi Suto, Yuichi Takamura, Naoki Ogata
  • Patent number: 11489402
    Abstract: An electric compressor includes a motor housing, an inverter, a cover, and a fastener. The inverter includes a board; an electronic component; a holder composed of an insulating material, the holder containing the electronic component and supporting the board; a bus bar integrated with the holder, and electrically connected to a circuit pattern and the motor housing; and a tubular member interposed between the cover and the bus bar, with the fastener inserted in the tubular member. The fastening force from the fastener causes the tubular member to press the bus bar toward the motor housing.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: November 1, 2022
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Yusuke Kinoshita, Shingo Enami, Junya Yano
  • Patent number: 11457561
    Abstract: A garden tool includes a connecting rod assembly, a working head, a power source, a first rod connected to the working head, a second rod connected to the power source, and a connection structure for mechanical and electrical connection between the first and second rods. A first terminal is arranged on the first rod and a second terminal arranged on the second rod, the first terminal being connected to a first wire, the second terminal being connected to a second wire, the first terminal and the second terminal connectable to transmit power of the power source to the working head through the first wire and the second wire. A second base is mounted in the second rod, the second base including at least two jacks independent of each other. At least two second terminals are respectively mounted in respective jacks.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: October 4, 2022
    Assignee: SKYBEST ELECTRIC APPLIANCE (SUZHOU) CO., LTD.
    Inventors: Juan Wei, He Tang, Ni Yin
  • Patent number: 11451119
    Abstract: A motor includes a rotor having a rotation shaft, a rotor core attached to the rotation shaft, and a rotor magnet embedded in the rotor core, a stator disposed on an outer side of the rotor in a radial direction about a central axis of the rotation shaft and surrounding the rotor, a board disposed on one side of the stator in a direction of the central axis, and a microcomputer mounted on the board. The microcomputer is disposed on an outer side of the rotor magnet in the radial direction.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: September 20, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hiroki Aso, Takaya Shimokawa, Ryogo Takahashi, Kazuma Nomoto
  • Patent number: 11444514
    Abstract: A sensor module for mounting in a motor includes a holder adapted to be mounted in a wet chamber of the motor, a temperature sensor adapted to be mounted in a dry chamber of the motor, a rotational position sensor mounted on the holder, a connector interface adapted to be plugged into a corresponding connector, and a sealing element arranged between the rotational position sensor and the temperature sensor. The temperature sensor is spaced apart from the holder. The rotational position sensor and the temperature sensor are connected via a plurality of signal lines to the connector interface. The sealing element is sealingly penetrated by the signal lines from one of the rotational position sensor and the temperature sensor.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: September 13, 2022
    Assignee: TE CONNECTIVITY INDIA PRIVATE LIMITED ET AL.
    Inventors: Sebastian Wiechert, Manivasakan Ravinthiran, Bram Embo, Pooventhan A, Shivaprasad B, Ignace Vankeirisbilck, Kiranpal Singh, Manjunatha D V
  • Patent number: 11444503
    Abstract: A motor includes a rotor including a shaft extending along a central axis, a stator including a coil and opposing the rotor in a radial direction with a gap, and a busbar positioned at one axial-directional side of the stator. The busbar includes a conducting wire-connecting portion connected to a conducting wire extending from the coil. A notch into which the conducting wire is inserted is provided in the conducting wire connecting portion. An inner circumferential surface of the notch includes a bottom surface opposing an opening side of the notch, a first opposed surface extending from the bottom surface towards the opening, and a second opposed surface extending from the bottom surface towards the opening and opposing the first opposed surface.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: September 13, 2022
    Assignee: NIDEC CORPORATION
    Inventors: Tatsuya Onishi, Kosuke Ogawa, Takashi Seguchi, Shunsuke Murakami
  • Patent number: 11444516
    Abstract: A wiring board (3) has first and second rigid sections (11, 12) each having six metal leaf layers, and a flexible section (13) having two metal leaf layers that connect the both rigid sections (11, 12). A capacitor unit (34) and a filter unit 31, which supplies power to an inverter, are mounted on the first rigid section (11), and a CPU (21) and a pre-driver circuit element (22) are mounted on the second rigid section (12). Mutually-independent two control systems are arranged so as to be symmetrical about a board center line (M). Detection signal lines (51) of rotation sensors (37, 38) located at the middle of the first rigid section (11) extend along the board center line (M) on the flexible section (13). Each of the two control systems is configured along a wiring direction of the detection signal lines (51).
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: September 13, 2022
    Assignee: HITACHI ASTEMO, LTD.
    Inventors: Tetsurou Tateyama, Kumiko Yoshinaga, Eiji Ichikawa, Hirofumi Watanabe, Mototaka Takahashi
  • Patent number: 11438680
    Abstract: A motor that includes a plurality of stator members and a busbar member. The busbar member connects to coil end portions of a predetermined stator member of the plurality of stator members. The busbar member may comprise a first busbar, a second busbar, and a third busbar. The busbars may include an annular-shaped base portion, and a connection terminal connected to an outer circumference of the base portion and connected to the coil end portions. The busbar member and the plurality of stator members may be aligned in an axial direction. Each connection terminal of the busbars may have a shape projecting toward the stator member relative to the base portion.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: September 6, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Mitsutoshi Natsumeda, Eiji Sakaguchi, Hisato Amano, Takashi Sakurada
  • Patent number: 11437898
    Abstract: A brushless direct current motor including a rotor, a first stator disposed adjacent the rotor, and a second stator disposed adjacent the rotor. The first stator is configured to selectively cause a rotational movement of the rotor during normal operation of the motor, and the second stator is configured to selectively maintain a stationary position of the rotor against a force exerted by an external source.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: September 6, 2022
    Assignee: Dana Automotive Systems Group, LLC
    Inventor: Johannes N. van Ginkel
  • Patent number: 11437880
    Abstract: In a stator, coils of multiple phases are wound around a stator core via an insulator. A guide member is provided on one side of the stator core in the axial direction and guides the terminal line of the coil in the circumferential direction at a position overlapping the coil in the axial direction. The guide member has a collecting portion which collect the terminal lines at one place in the circumferential direction. The terminal line of the coil arranged in a vicinity of the collecting portion in the terminal line is a non-drawn terminal wire that is collected in the collecting portion without being drawn on the guide member in the circumferential direction.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: September 6, 2022
    Assignee: DENSO CORPORATION
    Inventor: Koji Hotta
  • Patent number: 11431271
    Abstract: An electric motor drive device includes: a wire connection switching unit; an inverter; a control device controlling the wire connection switching unit and the inverter; and an overcurrent protection circuit preventing current exceeding a predetermined value from continuously flowing through the electric motor. The overcurrent protection circuit includes: determination circuits each correlated one-to-one with any one of possible wire connection states of a stator winding and determining whether current flowing through the inverter is abnormal; a combining circuit combining determination results; and an invalidation circuit invalidating a determination process by one or more of the determination circuits, and causing the combining circuit to output a determination result by the determination circuit correlated with a selected wire connection state of the stator winding.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: August 30, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hiroyuki Takayama, Kazunori Hatakeyama, Keiichiro Shizu
  • Patent number: 11424571
    Abstract: A compressor/expander machine is pressure-proof with an electrical connecting unit arranged on the housing thereof comprising at least one electrical lead-through that leads into an inner space for an electrical connection with an electrical unit arranged in the housing. The electrical lead-through comprises a mounting body that is mounted on the housing as a separate element and electrical contact elements seated therein. The mounting body comprises a first mounting body sealing surface which is remote from the at least one inner space and surrounds the electrical contact elements in closed manner and which runs transverse to a compressive force that acts on the lead-through due to the medium under pressure in the at least one inner space and which cooperates in sealing manner with a first housing sealing surface of the housing that faces the at least one inner space and this first mounting body sealing surface.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: August 23, 2022
    Assignee: BITZER Kuehlmaschinenbau GmbH
    Inventors: Benjamin Dreilich, Steffen Schramm
  • Patent number: 11412894
    Abstract: An electric hand mixer comprises a housing having at least a bottom surface and a rear heel surface, a motor within the housing, one or more holes defined in the bottom surface for receiving a respective rotatable beater, and a power cord extending outward from the housing. A recess is defined in the housing. A first opening to the recess is defined in the bottom surface. A second opening to the recess is defined in the rear heel surface. The first and second openings are continuous with each other. The power cord extends outward from within the recess.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: August 16, 2022
    Assignee: Hamilton Beach Brands, Inc.
    Inventor: Drew Carlson
  • 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
  • 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
  • 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
  • Patent number: 11404930
    Abstract: An insulator includes a part to be wound with a coil, a first flange, and a second flange. The first flange is formed at the side of the part closer to a core segment, and includes a coil guide groove that guides the coil to the part. The second flange is formed at the side closer to a distal end of a tooth. The coil guide groove includes a first groove extending at an acute angle ? from an inner surface of the first flange.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: August 2, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Mitsuoki Hishida, Hiroshi Yoneda, Hirokatsu Kunitomo
  • Patent number: 11404819
    Abstract: A contact device includes a first coaxial contact unit and a first contact housing connected to the first coaxial contact unit. The first coaxial contact unit has a first inner contact and a first outer contact, the first outer contact is arranged spaced apart from and coaxial with the first inner contact. The first coaxial contact unit electrically connects to a second coaxial contact unit of a further contact device. The first contact housing has a first encoding unit with a first riveting device having a first head section and a first shaft section connected to the first head section. The first shaft section engages a first receptacle of a second contact housing of the further contact device and positions the first contact housing relative to the second contact housing. The first head section protrudes laterally over the first shaft section.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: August 2, 2022
    Assignee: TE Connectivity Germany GmbH
    Inventors: Marc Reinhardt, Aron Loecser, Anne Weiss
  • Patent number: 11398766
    Abstract: A power conversion device comprises: a power conversion circuit that converts a supplied electric power; a current detection circuit that detects a current; a control circuit that controls an operation of the power conversion circuit; and a multilayer substrate that is provided with the power conversion circuit, the current detection circuit, and the control circuit. The multilayer substrate includes a printed wiring, and the printed wiring includes a transmission pattern that transmits a detection signal detected by the current detection circuit to the control circuit. An on-off fluctuation unit of the power conversion circuit fluctuates. The whole of the transmission pattern is disposed at a position different from the on-off fluctuation unit in a direction perpendicular to a plate surface of the multilayer substrate.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: July 26, 2022
    Assignee: DENSO CORPORATION
    Inventors: Tatsuya Abe, Hiroyasu Sugiura
  • Patent number: 11387702
    Abstract: A stator device with a plurality of windings, on a winding carrier, that electromotive interaction with a rotor. The windings are parallel to one another and to the center axis. The windings can be individually electrically contacted with winding terminals of a winding wire. The windings are assigned to at least two disk-shaped and/or ring-shaped electrically conductive interconnection rings so that they are electrically insulated from one another. The winding terminals are connected using the interconnection ring assigned to this terminal polarity (U; V; W) for external permanent common contact by welding hooks formed on the radial inner side on the interconnection ring. A ring-shaped deflection disk, with deflection pins, is provided in the axial direction on the interconnection end disk.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: July 12, 2022
    Assignee: ebm-papst St. Georgen GmbH & Co. KG
    Inventors: Thirza Weiser, Christian Rudel, Achim Honold, Hassan Ghodsi-Khameneh
  • Patent number: 11378081
    Abstract: An electric pump includes: an impeller; a rotor connected to the impeller; a housing accommodating the rotor; divided iron cores surrounding the housing from an outside of the housing; divided coil bobbins respectively attached to the divided iron cores; divided coils respectively wound around the divided coil bobbins; and a bus bar unit including bus bars, wherein the housing includes a bottom wall portion directly or indirectly holding a shaft portion in a standing manner, the shaft portion supports the rotor for rotation, the bottom wall portion overlaps at least a part of the divided coils in an orthogonal direction orthogonal to an axial direction of the rotor, and the bus bar unit is conductively connected to the divided coils and is held by the bottom wall portion.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: July 5, 2022
    Assignee: SHINANO KENSHI CO., LTD.
    Inventor: Takeshi Miyasaka
  • Patent number: 11374457
    Abstract: The invention relates to a rotary electric machine for a vehicle comprising an electronic assembly, a stator and an electrical phase connector (10) for a rotary electric machine stator (20). The electrical phase connector (10) comprises a predefined angular configuration of electrical coupling means (130b) so as to carry, respectively, a different electrical phase toward or away from a rotary electric machine stator (20). Each electrical coupling means (130b) is electrically connected to a conductive phase track (110).
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: June 28, 2022
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: St├ęphane De Clercq, Vincent Ramet, Julien Pauwels
  • Patent number: 11374463
    Abstract: A stator for a rotating electrical machine includes a stator coil and a stator iron core having slots into which the stator coil is mounted, wherein a coil end of the stator coil is elliptical in shape around a center axis of the stator iron core.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: June 28, 2022
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Kenichi Nakayama, Naoki Nishikawa
  • Patent number: 11370310
    Abstract: A vehicle power supply system includes: a main battery; a sub-battery with output voltage; a power converter having an input end connected to the main battery and an output end connected to a motor and converting output power of the main battery to driving power for the motor; a voltage converter connected between the main battery and the sub-battery and stepping down the voltage of the main battery to the voltage of the sub-battery; a charging inlet connected to the main battery and connecting to a power supply device outside a vehicle; a capacitor connected between a positive electrode and a negative electrode of the input end; and a coil connected between the main battery and the voltage converter. The coil is connected to the capacitor not via a charging power path from the charging inlet to the main battery.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: June 28, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takaji Kikuchi, Kenji Funahashi, Yuji Toba, Daisuke Hoshino
  • Patent number: 11368074
    Abstract: The invention relates to a rotor for an electric machine, comprising at least one first (22) and a second (32) conductor end and a contact element, which provides a connection between the at least two conductor ends (22, 32), and wherein the contact element can be positioned along a rotor axis (R) of the rotor in such a way that the connection can be established in an intermediate position, which is offset away from the rotor in relation to an end position of the contact element.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: June 21, 2022
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventor: Daniel Loos
  • Patent number: 11362559
    Abstract: The present invention can provide a motor comprising: a stator; a rotor disposed inside the stator; a shaft coupled to the rotor; and a bus bar disposed at the upper side of the stator, wherein: the bus bar includes a terminal connected to a stator coil, and a body for insulating the terminal; the terminal includes a first terminal and a second terminal of which the circuits are separated; the body includes a first body and a second body, and a bridge part for connecting the separated first body and second body; and the first terminal is disposed at the first body and the second terminal is disposed at the second body.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: June 14, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Seong Jin Lee
  • Patent number: 11362612
    Abstract: Disclosed herein is a power device of an electric vehicle including a motor housing that is configured to accommodate a motor which generates a driving force, and an inverter housing that has the shape of a cylinder which has first and second opened surfaces, that is coupled to the motor housing such that a shaft which delivers the driving force is coupled to the motor, and that is configured to accommodate an inverter module which supplies first, second and third AC power to the motor.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: June 14, 2022
    Assignee: LG Electronics Inc.
    Inventors: Youngjin Kim, Taehee Kwak, Taemin Yoon