Connectors, Terminals Or Lead-ins Patents (Class 310/71)
  • Patent number: 11121602
    Abstract: A stator of a rotary electric machine comprises a stator core, a coil; and a plurality of bus bars. When viewed from a rotational axis direction of the rotary electric machine, the first terminal parts of the plurality of bus bars are arranged next to one another substantially in an upper and lower direction on the outside of the stator core in the radial direction, and the second terminal parts of the plurality of bus bars are arranged next to one another substantially in a horizontal direction above the stator core, and a first terminal part arranged on an uppermost side among the first terminal parts of the plurality of bus bars is arranged to be positioned below an uppermost part of the stator core.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: September 14, 2021
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yoshiaki Seki, Misa Aneha, Hideyuki Yoshida, Takehiro Imamura
  • Patent number: 11121600
    Abstract: A motor includes a stationary portion, a rotating portion, and a bearing portion. The rotating portion includes a shaft that rotates about a central axis extending vertically. The stationary portion includes a bearing housing, a stator, and a circuit board. The circuit board is above the stator and includes an insertion hole that permits insertion of the bearing housing. The stator includes a stator core, an insulator, a coil, and a terminal pin. The terminal pin is connected to a conductive wire and connected to the circuit board via a solder portion covered with a coating layer. The insulator includes a base portion and a wall portion. The wall portion protrudes upward from the base portion, is radially outward of the bearing housing, and contacts a radially inner surface of the circuit board at the insertion hole.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: September 14, 2021
    Assignee: NIDEC CORPORATION
    Inventors: Hidehiko Hidaka, Yuji Saiki, Tomoyuki Tanaka, Tomohiro Koguchi
  • Patent number: 11108305
    Abstract: A drive device includes a motor and a controller coaxially disposed with the motor for controlling the motor. The drive device further includes a cover for covering the controller with an opening, and a connector part separate from the cover for connecting to an external connector. The connector part includes connectors that extend and protrude longitudinally through the opening of the cover. The longitudinal axis of the mouth of each connector in the connector part is arranged and angled differently relative to the mouths of adjacent connectors so that the connectors are positioned within an axial silhouette of the motor.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: August 31, 2021
    Assignee: DENSO CORPORATION
    Inventor: Naohiro Yamamoto
  • Patent number: 11108306
    Abstract: An embodiment of the present invention relates to a cover assembly and a motor comprising same, the cover assembly comprising: a cover plate; a ground terminal disposed on the cover plate; and a capacitor connected to the ground terminal by means of a wire. The ground terminal comprises: a body unit; a ground unit bent from one area of the upper end of the body unit to a first direction; clip units extending from both sides of the body unit to a second direction which is opposite from the first direction; and a coupling unit extending from the lower part of the body unit. The wire is coupled to the clip units by means of insertion. Accordingly, the present invention enables the wire of the capacitor to be fixed in a temporarily assembled state and thus enables an automation process during assembly of the motor.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: August 31, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Woo Seob Shim, Seong Hun Oh, Namu Jo
  • Patent number: 11108295
    Abstract: A contact ring for a stator of an electric motor has three planes, i.e. a first plane with at least one first conductor; a second plane made of an electrically insulating material; and a third plane with at least one second conductor, and at least one first and one second feedthrough passing through the second plane. The first feedthrough is smaller than the second feedthrough, and the first feedthrough guides coil wires of one coil and the second feedthrough guides coil wires of at least two coils.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: August 31, 2021
    Assignee: VALEO SIEMENS EAUTOMOTIVE GERMANY GMBH
    Inventors: Christian Finger-Albert, Stefan Oetzel, Michael Menz, Florian Balling
  • Patent number: 11095180
    Abstract: A motor includes a first bus bar including a first extension, a second extension, and a first bus bar body including a first corner to which the first extension and the second extension are connected. A holder includes a support to support the first bus bar body, a pair of first walls, and a pair of second walls. The pair of first walls include wall surfaces that face each other in the first perpendicular direction and are spaced by a gap from each other, and extend in the first direction. The pair of second walls include wall surfaces that face each other in the second perpendicular direction and are spaced by a gap from each other, and extend in the second direction. A first space is provided between the pair of first walls and the pair of second walls. The first corner is provided in the first space.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: August 17, 2021
    Assignee: NIDEC CORPORATION
    Inventors: Kosuke Ogawa, Tatsuya Onishi, Takashi Seguchi, Yasuhiko Iwano
  • Patent number: 11095199
    Abstract: A rotating electrical machine unit includes: a rotating electrical machine; a resolver which includes a resolver rotor and a resolver stator; and a case which accommodates the rotating electrical machine and the resolver. The resolver stator includes: a stator portion; a telegraph connector portion; and a first positioning portion including a knock portion protruding to one side. The telegraph connector portion includes a second positioning portion having a fitting portion having a sealing member on an outer peripheral surface. The resolver stator is attached to the case by being positioned with the knock portion of the first positioning portion being fixed to a knock fixing portion of the case and the fitting portion of the second positioning portion being fitted into a mounting hole of the case.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: August 17, 2021
    Assignee: HONDA MOTOR CO., LTD.
    Inventor: Kazuya Kaneta
  • Patent number: 11095185
    Abstract: A motor assembly is provided, which includes a motor having a stator and a rotor rotatable relative to the stator, and a filter unit mounted to an outside of the motor. The filter unit includes an insulating housing and at least one filter element arranged in the housing and electrically connected to the motor.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: August 17, 2021
    Assignee: Johnson Electric International AG
    Inventors: Hongwei Zhang, Lingdong Jin, Fosheng Zou
  • Patent number: 11088590
    Abstract: The invention relates to a connection unit (20; 20a) for a wiper motor (100) for windshield wiper systems, with a plug connector element (22) for the reception of electric connection lines (24), which are formed for the at least indirect contacting of a commutator (6) of an electric motor (1), and with a carrier element (26; 26a) in which connection elements (40) for contacting the commutator (6) and/or at least one component of an electric circuit are arranged.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: August 10, 2021
    Assignee: Valeo Systèmes d'Essuyage
    Inventors: Siegfried Stefani, Christof Heuberger, Harald Kapitza, David Rignault
  • Patent number: 11088498
    Abstract: The present invention provides for an electronic isolator device such as a universal isolator and having isolation and possible safety functionality and comprising an isolator module (550), and a base module (500), and wherein the isolator module is arranged for removable physical/electrical connection to the base module and in at least two orientations/positions relative to the base module, wherein electrical connection to the base module in each of the at least two orientations/positions serves to configure the type/functionality of the isolator device.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: August 10, 2021
    Assignee: Eaton Intelligent Power Limited
    Inventor: Frederic Vladimir Esposito
  • Patent number: 11088522
    Abstract: A circuit assembly includes a substrate having a conductive path, electronic components mounted on the substrate, and a terminal block that is in contact with the substrate, in which the terminal block includes a terminal portion that is connectable to a counterpart terminal, a terminal holding portion for holding the terminal portion, and support portions for supporting the terminal holding portion, and the electronic components are disposed between the terminal holding portion and the substrate.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: August 10, 2021
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventor: Junya Aichi
  • Patent number: 11081939
    Abstract: The shaft for a rotating electrical machine comprises at least one housing element (8a, 8b, 8c) extending in an axial direction (A) and emerging outwards in a radial direction, with one side of the housing element emerging outwards in an axial direction, and with the housing being able to accommodate at least one insulated electrical conductor (6) and a spacer (9a, 9b, 9c).
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: August 3, 2021
    Assignee: GE Energy Power Conversion Technology Limited
    Inventors: Yannick Viry, Fabrice Herbin, Benoit Schnabel, Frederic Violin, Adrien Huillet
  • Patent number: 11081929
    Abstract: A motor includes a bearing holder and a first bearing. The bearing holder is fixed to a casing. The first bearing is interposed between the bearing holder and a shaft. The bearing holder includes a holder main body made of a resin and a ring made of a metal. The holder main body includes, around the central axis, a first arcuate portion including one or a plurality of through-holes passing therethrough in an axial direction and a second arcuate portion that does not include a through-hole. The first arcuate portion occupies a range of about ? or more of a total circumference of the holder main body in a circumferential direction. An outer ring of the first bearing is held by the ring.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: August 3, 2021
    Assignee: NIDEC CORPORATION
    Inventors: Masashi Sonoda, Akihiro Okita
  • Patent number: 11075565
    Abstract: The invention relates to an electrical machine (10), in particular an electronically commutated EC motor, and to methods for producing an electrical machine (10) of this type having a pole pot (15), in which a stator (16) and a rotor (18) are received, and a plug housing (33) with an integrated connector plug (37) is arranged axially on the open side of the pole pot (15), wherein a rotor shaft (20) of the rotor (18) protrudes with a free end (80) axially out of the pole pot (15) into the plug housing (33), and a magnetic signal generator (75) for rotational position detection is arranged at the free end (80), which magnetic signal generator (75) interacts with a magnetic field sensor (77) which lies axially opposite it, wherein the magnetic field sensor (77) is configured as a wired single-part component and is fastened directly to the inner side (29) of the plug housing (33) without the use of a printed circuit board.
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: July 27, 2021
    Assignee: Robert Bosch GmbH
    Inventors: Armin Stubner, Christian Meyer, Torsten Gmuend, Christian Poddey, Jean-Marc Ritt
  • Patent number: 11075598
    Abstract: A device comprises a rotor magnetically coupled to a stator, a plurality of slots for accommodating a plurality of conductors, wherein the plurality of slots is evenly spaced, and each slot is configured to accommodate at least one conductor of the plurality of conductors, and wherein each conductor has a first end and a second end, and wherein the second end is configured to be coupled to a power converter and a plurality of connection apparatuses connected to first ends of the plurality of conductors.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: July 27, 2021
    Assignee: Quanten Technologies, Inc.
    Inventors: Hengchun Mao, Xuezhong Jia
  • Patent number: 11070011
    Abstract: A reconfigurable connector having a first set of electrical contacts and a second set of electrical contacts each configured to be electrically connected to electronic elements. The reconfigurable connector further includes a network access device configured to receive a signal from a remote device and an internal switch coupled to the network access device and configured to reconfigure pairing of the first set of electrical contacts and the second set of electrical contacts based on the signal received by the network access device.
    Type: Grant
    Filed: January 28, 2020
    Date of Patent: July 20, 2021
    Assignee: SMITHS INTERCONNECT AMERICAS, INC.
    Inventor: Jedidiah Bentz
  • Patent number: 11056946
    Abstract: A bus bar unit includes a bus bar holder provided on one side in an axial direction of a stator disposed in an annular shape around a central axis extending in a vertical direction, a bus bar extending along a plane perpendicular to the axial direction and fixed to the bus bar holder, and an external connection terminal connected to the bus bar and extending upward from the bus bar. The bus bar includes a wire and a terminal connector located on one end thereof and connected to the external connection terminal, and a lead wire connector located on the other end thereof and connected to a lead wire extending from the stator. The lead wire connector is U-shaped or substantially U-shaped. The lead wire connector includes a first end located on the external connection terminal side and a second end located on the opposite side of the first end. The second end includes an extension extending in a direction away from an opening of the lead wire connector.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: July 6, 2021
    Assignee: NIDEC CORPORATION
    Inventor: Shunsuke Takahashi
  • Patent number: 11050313
    Abstract: A stator and a motor including the motor are disclosed. The stator includes a number of windings and a number of guiding portions. The windings are formed by winding a single conductive wire under the guide of the guiding portions. The windings are divided into multiple groups, and the windings in each group are short-circuit connected with each other.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: June 29, 2021
    Assignee: JOHNSON ELECTRIC INTERNATIONAL AG
    Inventors: Chi Ho Fung, Kar Wai Lam, Cai Yong Zhang, Yi Li
  • Patent number: 11038392
    Abstract: An electric motor includes a housing including a circumferential housing wall centered around a central axis, an annular stator fixedly mounted inside of the housing and including coils to generate a time-varying magnetic field, a busbar unit including a busbar holder and at least one busbar to electrically connect at least one coil of the stator to a power source to energize the at least one coil, and a rotor rotatably mounted inside of the housing to be rotated by an interaction with the magnetic field generated by the stator. The housing wall may include a housing wall engagement structure at an inner surface thereof engaged or configured to be engaged with a busbar unit engagement structure provided on the busbar unit. The housing wall engagement structure may include at least one protrusion defined by a portion of the housing wall dented into the interior of the housing.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: June 15, 2021
    Assignee: NIDEC CORPORATION
    Inventor: Keisuke Fukunaga
  • Patent number: 11038397
    Abstract: The present disclosure relates to a terminal assembly for a driving motor, which is provided in a driving motor including a core bobbin assembly, to which a core around which a coil is wound in a circumferential direction is mounted, a support ring which supports an outside of the core bobbin assembly, and a terminal assembly coupled to an upper portion of the support ring to fix a coupling terminal. The terminal assembly for a driving motor has a body formed in a circular shape in a plan view and formed in a stepped shape in a side sectional view. The body includes a bus bar fixing part, which is formed on an outer side thereof and allows a bus bar to be fixed thereto, and a terminal guiding part which is formed on an inner side thereof and partitions and guides terminals of the bus bar.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: June 15, 2021
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventor: Min Koo Kim
  • Patent number: 11031852
    Abstract: Manufacture of a stator clamps an intersection of two legs that are protruded from different slots provided in a stator core, that are adjacent to each other in a radial direction, and that intersect with each other without any other leading end located in a circumferential direction between their respective leading ends when being viewed in the radial direction. The manufacture then bends a leading end of an inner leg located on an inner side in the radial direction out of the clamped two legs, toward an outer circumferential side of the stator core, while bending a leading end of an outer leg located on an outer side in the radial direction, toward a shaft center side of the stator core.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: June 8, 2021
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATION
    Inventors: Kazushi Onda, Hiroaki Takeda
  • Patent number: 11031839
    Abstract: A motor includes a rotor including a rotation axis; a stator including coils; a cylindrical housing including an opening portion; busbars including busbar connecting portions; terminal pins including terminal connecting portions in a first direction orthogonal to an axial direction; a terminal support holding the terminal pins, wherein the housing has an insertion hole that opens towards an axial-direction one end side; the terminal support includes a protruding portion inserted into the insertion hole; one of the protruding portion and the insertion hole includes a fitting portion fitted to the other of the protruding portion and the insertion hole, and a guiding portion positioned on an insertion-end side of the fitting portion; and, in the guiding portion, a side surface on a side of the first direction is inclined in a direction opposite to the first direction with increasing distance from an open end of the insertion hole.
    Type: Grant
    Filed: March 25, 2017
    Date of Patent: June 8, 2021
    Assignee: NIDEC CORPORATION
    Inventors: Yu Asahi, Hidehiro Haga, Shunsuke Murakami, Masayoshi Maeda
  • Patent number: 11031851
    Abstract: A power transmission device for a vehicle is comprised of a motor including a rotor shaft and a stator having an electromagnetic coil; an inverter configured to generate an alternating current, the inverter being connected with the coil to controllably rotate the rotor shaft relative to the stator; a gear set including an input shaft coupled with and rotated by the rotor shaft, an output shaft and gears so meshed as to transmit torque of the input shaft to the output shaft; and a grounding path electrically connecting a part of the gear set with a body of the vehicle, the part being so disposed as to have the input shaft electrically interposed between the part and the rotor shaft.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: June 8, 2021
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Tomohiro Okada, Naoaki Oikawa, Takahiro Saruwatari, Tatsuhiko Ikeda, Ken Nakayama, Kazuhiko Soeda, Akinori Inada
  • Patent number: 11018544
    Abstract: A motor includes a rotor having a shaft centered on a central axis that extends in an axial direction, a stator which is disposed to face the rotor and includes a plurality of coils, a housing in which the rotor and the stator are housed, and a bus bar assembly that is disposed on one side of the shaft in the axial direction, wherein the bus bar assembly includes a plurality of bus bars that are electrically connected to the plurality of coils of the stator and a bus bar holder that holds the plurality of bus bars, and wherein at least one bus bar among the plurality of bus bars is placed on a disposition surface part provided on the bus bar holder and extends in a direction crossing the central axis.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: May 25, 2021
    Assignees: NIDEC TOSOK CORPORATION, NIDEC CORPORATION
    Inventors: Shigehiro Kataoka, Kazuhiro Homma, Yoshiyuki Kobayashi, Hideaki Uchise, Masato Aono, Akihiro Okita
  • Patent number: 11007955
    Abstract: A gas turbine engine and methods of operation include a low pressure electric motor-generator having an electrical assembly for electrical connection.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: May 18, 2021
    Assignee: Rolls-Royce North American Technologies Inc.
    Inventors: Donald Klemen, Michael J. Armstrong
  • Patent number: 11012015
    Abstract: A motor is disclosed. The motor includes a first end bell, a second end bell and a stator with a stator coil disposed between the first end bell and the second end bell. A rotor with a rotor shaft is disposed relative to the stator, the rotor configured to rotate relative to the stator and the rotor shaft extending through the first end bell. The second end bell includes a chamber, the chamber includes an electronic circuit and a connector. The connector is electrically coupled to the electronic circuit and configured to receive both a control signal and a power signal from an external source.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: May 18, 2021
    Assignee: Applied Motion Products, Inc.
    Inventors: Dennis P. Joyce, Jeffrey Andrew Kordik, Kevin Albert Kesler
  • Patent number: 11011196
    Abstract: A spindle motor includes a rotating part, a base member, a connector, and a connector accommodating recess in the base member. The connector accommodating recess includes a bottom surface and an annular wall surface extending from the bottom surface to the outer surface. A through-hole is formed in the bottom surface. The bottom surface includes a first annular surface extending toward the annular wall surface from a peripheral edge of the through-hole, and a second annular surface extending around the first annular surface on an axial outer surface side of the base member relatively to the first annular surface. The connector contacts the second annular surface. A first gap between the connector and the first annular surface is filled with an adhesive. An interface of the adhesive extends i to protrude from an inner peripheral surface of the through-hole over an entire circumference of the through-hole.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: May 18, 2021
    Assignee: MINEBEA MITSUMI INC.
    Inventors: Hideaki Showa, Atsushi Yanagawa
  • Patent number: 10992212
    Abstract: A method for manufacturing a stator includes the steps of: (1) providing a stator core module having a first stator fixture disposed on a first side of the stator core module, the first stator fixture is configured to support a first set of stator core junction portions in a fixed position; (2) providing a first crown module having a set of first crown junction portions and a first crown fixture to support the first set of first crown junction portions; (3) aligning the first stator fixture with the first crown fixture so that the first set of stator core junction portions are aligned with the first crown junction portions; and (4) joining the first set of stator core junction portions with the first crown junction portions.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: April 27, 2021
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: John S. Agapiou, Hongliang Wang, Thomas A. Perry, John D. Campbell
  • Patent number: 10992196
    Abstract: A stator of an electric machine has an annular stator lamination stack at which stator coils with coil ends are arranged by winding bodies and are connected to an interconnection device arranged at the stator lamination stack on the front side. The interconnection device (38) is fixed to the stator coils by a carrier element and has connection conductors arranged coaxial to one another that are electrically insulated from one another by insulating layers and carried by the carrier element. Coil connection areas and power connection areas are provided at the connection conductors. The carrier element is formed by one of the connection conductors and/or by a disk-shaped insulating layer and that the connection conductors and the further insulating layers are fixed to the carrier element.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: April 27, 2021
    Assignee: ZF Friedrichshafen AG
    Inventors: Katja Willacker, Roland Lindwurm, Christoph Wieder, Jochen Wittmann
  • Patent number: 10978928
    Abstract: An electrical distribution member includes a plurality of electrical conducting wires made of a solid wire. The electrical conducting wires each include an electrical conducting body, and a coating layer provided over a surface of that electrical conducting body, while removed therefrom over a respective predetermined length including a joining portion. The electrical conducting wires include at least one first electrical conducting wire having a joining portion extending in an axial direction of a stator core, and at least one second electrical conducting wire having a joining portion bent in relation to a radial direction of the stator core in such a manner as to follow a circumferential direction of the stator core. The predetermined length of the second electrical conducting wire with the coating layer removed therefrom is longer than the predetermined length of the first electrical conducting wire with the coating layer removed therefrom.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: April 13, 2021
    Assignee: HITACHI METALS, LTD.
    Inventors: Shinsuke Mashiko, Kenichi Egami
  • Patent number: 10971962
    Abstract: A stator of an electronically-commutated DC motor, with a stator core, an insulating cap, a stator winding, and a winding interconnection, wherein the winding interconnection consists of several sheet-metal elements and several insulating elements which are arranged between the sheet-metal elements. The aim of the invention is to provide a simple design for a generic stator consisting of easy-to-manufacture and easily-shaped components, wherein production tolerances can be compensated for in a simple manner. A further aim consists of being able to use reliable and proven production processes which are also as easy as possible to monitor.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: April 6, 2021
    Assignee: BÜHLER MOTOR GMBH
    Inventors: Heinz Günther, Reiner Hettych, Martin Gundermann
  • Patent number: 10971967
    Abstract: An electric motor (20) for an elevator system (2) comprises a housing (25) extending in a longitudinal direction along a longitudinal axis (A) and a cover (22) attached to a front face of the housing (25). The cover (22) comprises an open space (24) formed around the longitudinal axis (A). At least one electric connector (38, 40), which is electrically connectable with component of the electric motor (20), is arranged within said open space (24).
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: April 6, 2021
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Enrique Ramos Ibarra
  • Patent number: 10965175
    Abstract: An air pulse device according to the invention is used, in particular, in a heating, ventilation and/or air conditioning system of a motor vehicle. The air pulse device comprises an electric motor (2) having a rotor (16) and a stator (14). The stator is mounted about a support means (10) such that it is in contact with said support means, the latter being made of an electrically conductive material and connected to an electrical ground. Moreover, a shield (70) is disposed in the vicinity of the stator, said shield also being electrically connected to the electrical ground.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: March 30, 2021
    Assignee: Valeo Systemes Thermiques
    Inventors: Pascal Guigou, Geoffroy Capoulun, Xavier Rousseil, Jonathan Fournier, Morgan Le Goff
  • Patent number: 10951084
    Abstract: In some examples, at least one connecting ring may connect a plurality of stator coils of the same phase. For instance, the at least one connecting ring may include at least one linear conductor formed in a ring-like shape. The linear conductor may include a plurality of terminal sections, each terminal section including an open groove extending perpendicular to a plane formed by the ring-like shape. The open grooves may be positioned around a circumference of the connecting ring for receiving respective wire ends of respective stator coils inserted into the open grooves for forming an electrical connection between the respective wire ends and the connecting ring at the respective terminal sections.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: March 16, 2021
    Assignee: HITACHI AUTOMOTIVE SYSTEMS AMERICAS, INC.
    Inventors: Ali Abdallah, Zifu Wang
  • Patent number: 10951086
    Abstract: An electric device comprises an internal wiring and a housing. The housing includes a base and a cover. The base has a wiring guide member and a terminal area in which the internal wiring is connected to an outside electric conductor. The cover has a trough section into which the terminal area at least partly extends. The trough section has a trough wall which abuts the base to form a sealing surface. The wiring guide member supports the internal wiring at a position spaced apart from the sealing surface and opposite the trough wall and the internal wiring extends over the trough wall and into the trough section to the terminal area.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: March 16, 2021
    Assignees: TYCO ELECTRONICS BELGIUM EC BVBA, TE CONNECTIVITY GERMANY GMBH
    Inventors: Alexander Weiss, Koen Van Reybrouck, Tom Ocket, Steven Van Nimmen, Pieter-Jan Ossieur, Michael Siotto
  • Patent number: 10938262
    Abstract: A motor includes a rotor including a shaft extending axially, a stator surrounding a radial outside of the rotor and including a coil defined by a wound coil wire, a holder disposed on an axially upper side of the stator, the coil wire being inserted into the holder, the holder including through-holes extending axially, and a circuit board disposed on the axially upper side of the holder, an electronic component being mounted on the circuit board. When the holder is viewed from the axially upper side, the through-holes are located in a region where a center angle (?) centered on the shaft is less than or equal to 180 degrees.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: March 2, 2021
    Assignee: NIDEC CORPORATION
    Inventors: Takashi Hattori, Takahiro Kizu, Toshiya Okamoto, Yuichi Nishikawa, Yoshiaki Yamashita, Mitsuo Kodama, Yuya Saito, Shingo Fukumoto, Chiharu Kobayashi
  • Patent number: 10938263
    Abstract: The invention provides a connection structure between a coil and a bus bar attached to a stator of a motor, and the coil and the bus bar each include a lead part. At least one of the lead parts has a distal end provided with a corner cut away to be stepped to configure a stepped portion having a side surface extending substantially in parallel with a longitudinal direction of the lead part. The coil and the bus bar are connected to each other in a state where the side surface of the stepped portion of a first one of the lead parts is in contact with a second one of the lead parts.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: March 2, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Mitsuoki Hishida, Hirokazu Yamauchi, Yuichi Yoshikawa, Keiichiro Nukada
  • Patent number: 10920884
    Abstract: In an in-wheel motor drive device, a speed reduction part is a parallel shaft gear reducer that includes a plurality of gear shafts extending in parallel to one another. One of the gear shafts is coupled with the rotation shaft of the motor part, the other one of the gear shafts is coupled with the wheel hub of the wheel hub bearing part. Remaining gear shafts decelerate the rotation of the motor part and transmit it to the wheel hub. The motor drive device includes a parking gear attached to any of the gear shafts. The parking pawl has a projection portion engaged with a recess portion of the parking gear. A movement member enables a parking pawl to move between a locking position engaged with the recess portion and an unlocking position not engaged therewith. The parking gear, the parking pawl, and movement member are housed inside a housing.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: February 16, 2021
    Assignee: NTN CORPORATION
    Inventors: Shiro Tamura, Yusuke Shibuya
  • Patent number: 10923981
    Abstract: A motor includes a rotor including a shaft centered on a vertically extending center axis, a stator radially opposite to the rotor and including coils, a bearing supporting the shaft, and a bus bar unit on an upper side in an axial direction of the stator. The bus bar unit includes bus bars including a terminal portion connected to a lead wire drawn out from the coil and a bus bar holder holding the bus bars. The terminal portion includes a slit which extends axially downward and into which the lead wire is fitted. The width of the slit is narrower than the diameter of the lead wire.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: February 16, 2021
    Assignee: NIDEC CORPORATION
    Inventors: Yuhei Yamaguchi, Ryusuke Sato, Hisashi Fujihara, Keigo Nakamura
  • Patent number: 10910899
    Abstract: The productivity of a rotary electric machine worsens because the axial length of a stator increases, increasing the overall size, and connecting parts are located on both end sides of a stator core. The rotary electric machine includes: a stator core; a stator winding including a plurality of segment coils; and a connection board that fixes a different-phase connection conductor adapted to connect different phases of the segment coils of the stator winding and a same-phase connection conductor adapted to connect the segment coils of the same phase of the stator winding. The stator winding has, on one side with respect to an axial direction of the stator core, a coil connection section where end portions of the plurality of segment coils are connected to each other, and the connection board is disposed on a side on which the coil connection section is disposed, with respect to the stator core.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: February 2, 2021
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Toshio Ishikawa, Shinji Yamazaki, Hiromitsu Okamoto, Tomohiro Fukuda
  • Patent number: 10906577
    Abstract: A power-source connector is situated at or in the vicinity of the radial-direction middle portion of a housing and is fixed to the housing, and a first connection portion and a second connection portion for connecting the winding terminal of an armature winding with a control circuit unit are substantially symmetrically arranged at positions corresponding to the radial-direction peripheral portions of the power-source connector.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: February 2, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kentaro Urimoto, Yoshihito Asao
  • Patent number: 10910924
    Abstract: A motor includes a rotor including a shaft centered on a center axis extending vertically, a stator that is radially opposed to the rotor and includes coils, a conductive holder accommodating the rotor and the stator and including a penetration unit penetrating axially, and a coil lead wire support that is at least partially disposed in the penetration unit, includes a coil lead wire insertion hole into which coil lead wires extending from the coils are provided, and is made of an insulating material. The coil lead wire support includes a base and a fitting unit extending downward from the base, at least one of a circumferential length and a radial length of the fitting unit being shorter than the base, and the coil lead wire insertion hole is in the base and the fitting unit, and the coil lead wire is inserted into the coil lead wire insertion hole.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: February 2, 2021
    Assignee: NIDEC CORPORATION
    Inventors: Mitsuo Kodama, Shunsuke Murakami, Takao Atarashi, Yuya Saito, Shingo Fukumoto, Chiharu Kobayashi
  • Patent number: 10904030
    Abstract: A building automation system includes a plurality of subnets, an active broadcast management device configured on at least one of the subnets, a pool of virtual devices communicably connected to the active broadcast management device, each of the virtual devices in the pool of virtual devices configured to store a broadcast distribution table (BDT), one or more processors, and memory coupled to the one or more processors and storing instructions. When executed by the one or more processors, the instructions cause the one or more processors to transmit a health status message to each available virtual device in the pool of virtual devices, receive a health status response from each of the available virtual devices, and select, according to the health status responses, at least one of the virtual devices from among the available virtual devices as a backup virtual broadcast management device to the active broadcast management device.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: January 26, 2021
    Assignee: Johnson Controls Technology Company
    Inventors: Japneet Singh, Ishmeet Bhatia, Manu Garg, Vikas Sharma
  • Patent number: 10892663
    Abstract: Disclosed in one embodiment is a busbar comprising: an insulating body; a plurality of neutral terminals arranged in the insulating body; and a plurality of first driving terminals, second driving terminals, and third driving terminals arranged in the insulating body, wherein the plurality of neutral terminals, first driving terminals, second driving terminals, and third driving terminals are electrically insulated, respectively, and the shape of the plurality of the first driving terminals, the second driving terminals, and the third driving terminals are the same.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: January 12, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Bong Bae Kong
  • Patent number: 10886801
    Abstract: An electric machine includes a rotor, permanent magnets, a stator, and a stator winding wound about a plurality of teeth to form a number of stator magnetic poles. The rotor includes a rotor core and a plurality of walls that form openings in the rotor core. A permanent magnet is mounted in each of the openings formed in the rotor core. The plurality of permanent magnets are arranged to form a plurality of groups of permanent magnets that are equally circumferentially distributed around the rotor core with an interior polarity on a side of each permanent magnet facing other permanent magnets of the group of permanent magnets to which the permanent magnet is associated that is the same for all of the permanent magnets. Each permanent magnet is arranged to form a rotor pole, wherein a number of rotor poles is greater than the number of stator magnetic poles.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: January 5, 2021
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Wenbo Liu, Thomas A. Lipo
  • Patent number: 10871152
    Abstract: Methods for replacing a Wye-ring of a wind turbine generator preferably, but not necessarily, in-situ are described along with a combination of three arcuate Wye-ring sections that when assembled comprise a Wye-ring. The method after gaining access to the Wye-ring typically comprises: removing all or most of the damaged Wye-ring; installing the replacement sections typically by welding or brazing them in place; insulating the new ring; installing new blocking; and adhesively securing the new blocking in place.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: December 22, 2020
    Inventor: Christopher Hodges
  • Patent number: 10868410
    Abstract: A motor includes a stator including, a rotor to rotate about a central axis extending in a vertical direction, and a first bus bar, a second bus bar, and a third bus bar to which lead wires of the coils are respectively connected. The first bus bar includes a first connecting portion to which two lead wires are connected, the second bus bar includes a second connecting portion to which two lead wires are connected, the third bus bar includes a third connecting portion to which one lead wire is connected and a fourth connecting portion to which one lead wire is connected. The first and second connecting portions are arranged side by side in a circumferential direction, and the third and fourth connecting portions are arranged in the circumferential direction with the first and second connecting portions interposed therebetween.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: December 15, 2020
    Assignee: NIDEC CORPORATION
    Inventors: Kosuke Ogawa, Takashi Seguchi, Shunsuke Murakami, Takao Atarashi
  • Patent number: 10862367
    Abstract: A stator of an electric rotary machine includes a first abutting portion and a second abutting portion. The first abutting portion and the second abutting portion are welded by laser welding in a state where the abutting portions abut against each other, and the first abutting portion and the second abutting portion include bonding surfaces which are bonded to each other. In the axial direction, a height from an insulating cover film to the bonding surface in one abutting portion is greater than a height from an insulating cover film to the bonding surface in the other abutting portion, and in a radial direction, a protruding distance from the insulating cover film to the bonding surface in the one abutting portion is greater than a retraction distance from the insulating cover film to the bonding surface in the other abutting portion.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: December 8, 2020
    Assignee: HONDA MOTOR CO., LTD
    Inventors: Koji Kawanami, Fumiya Nishii, Tomotaka Iki
  • Patent number: 10862361
    Abstract: A stator includes: multi-phase stator coils each having a salient pole concentrated winding; a stator iron core formed with a plurality of teeth around which the multi-phase stator coils are wound; and a plurality of connection rings configured to connect each of the multi-phase stator coils, wherein a winding end position of each of the multi-phase stator coils is disposed closest to the corresponding connection ring among the plurality of connection rings.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: December 8, 2020
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventor: Yutaka Matsunobu
  • Patent number: 10862363
    Abstract: In a motor, a wire support member 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. 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: August 9, 2016
    Date of Patent: December 8, 2020
    Assignee: NIDEC CORPORATION
    Inventors: Kosuke Ogawa, Takashi Hattori, Shunsuke Murakami, Takao Atarashi, Hidehiro Haga