Plural Part Core Patents (Class 336/212)
  • Patent number: 11508518
    Abstract: A coil device includes a core and a plurality of coils arranged in the core. A distance of a second gap formed by portions of the core located inside at least one of the coils is larger than that of a first gap formed by other portions of the core located between the coils next to each other.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: November 22, 2022
    Assignee: TDK CORPORATION
    Inventors: Chen Wang, Satoshi Sugimoto, Leo Yao
  • Patent number: 11508510
    Abstract: An inductor includes a plurality of stacked core parts having aligned central openings, at least one spacer separating the core parts from one another, and a winding comprising a plurality turns wound around the stack of core parts through central openings of the core parts. The at least one spacer may include respective groups of spacers disposed between respective pairs of the core parts. In some embodiments, the at least one spacer may include a plurality of spacers disposed between first and second ones of the core parts and radially distributed in a circular pattern aligned with the first and second core parts.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: November 22, 2022
    Assignee: Eaton Intelligent Power Limited
    Inventors: Zelin Xu, Mark A. Juds, Jose Antonio Trujillo Rosales
  • Patent number: 11497089
    Abstract: A vapor delivery device includes an induction coil system. The induction coil system can include a coiled fluid tube, a coiled wire, a capsule between the coiled fluid tube and the wire, and a cooling fluid supply configured to force a cooling fluid through the capsule across the coiled wire. The induction coil system can include a closed loop ferrite core, a wire coiled around a first portion of the ferrite core, and a fluid tube coiled around a second portion of the ferrite core. A wire coil can be contained in a cartridge system removably coupleable to a disposable vapor delivery device. The system can include a fluid flow controller and induction power regulation to maintain a specific operating pressure range for vapor within a uterus or other bodily cavity, tract, or duct.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: November 8, 2022
    Assignee: Aegea Medical Inc.
    Inventors: Daniel Van Zandt Moyer, Uriel Hiram Chee, Torrey Pine Smith, Hugh Edward Magen, Darin Charles Gittings
  • Patent number: 11488765
    Abstract: An electrical component, a component arrangement and a method for producing a component arrangement are disclosed. In an embodiment an electrical component includes a coil form and a winding of a wire around the coil form and a connection area comprising a wire end of the wire, wherein the connection area is configured to latch with a mounting facility.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: November 1, 2022
    Assignee: TDK ELECTRONICS AG
    Inventors: Günter Feist, Karsten Frey
  • Patent number: 11482890
    Abstract: A surface mountable housing for a power transmitter for wireless power transfer includes a connector system configured for use to mount, at least, a transmitter antenna to an underside of a structural surface, such that the transmitter antenna is configured to couple with a receiver antenna of a power receiver when the receiver antenna is proximate to a top side of the structural surface. The surface mountable housing further includes a heat sink, the heat sink configured to rest, at least in part, below the transmitter antenna, when the power transmitter is connected to the structural surface, and configured to direct heat generated by the power transmitter away from the structural surface, and an antenna housing, the antenna housing substantially surrounding a side wall of the transmitter antenna, the antenna housing connected to the heat sink and positioned between the heat sink and the structural surface.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: October 25, 2022
    Assignee: NuCurrent, Inc.
    Inventors: Oleg Los, Md Nazmul Alam
  • Patent number: 11463013
    Abstract: A magnetic element, a power module and a power conversion system are provided. The magnetic element includes a main body, a plurality of first magnetic posts, a first common magnetic post and a second magnetic post. A first lateral edge and a second lateral edge of the main body are opposite to each other and extended along a first direction. A third lateral edge and a fourth lateral edge of the main body are opposite to each other and extended along a second direction. The plurality of first magnetic posts are disposed on the main body and arranged along the first direction. The first common magnetic post is disposed on the main body and located at the first magnetic posts. The second magnetic post is disposed on the main body and located at the first common magnetic post.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: October 4, 2022
    Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.
    Inventors: Da Jin, Kunpeng Wang, Shuailin Du, Kai Dong
  • Patent number: 11456109
    Abstract: A coil component includes a magnetic laminate, a coil conductor having conductor patterns disposed in the magnetic laminate and extending around the coil axis, and a cover layer disposed on one end of the magnetic laminate in the direction along the coil axis. The magnetic laminate includes first magnetic layers disposed between the conductor patterns, and second magnetic layers disposed between the first magnetic layers. The first magnetic layers contain first soft magnetic metal particles having a first average particle size, the second magnetic layers contain second soft magnetic metal particles having a second average particle size, the cover layer contains third soft magnetic metal particles having a third average particle size larger than the second average particle size. In the direction perpendicular to the coil axis A, the first magnetic layers project outward from the second magnetic layers, and the second magnetic layers project outward from the cover layer.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: September 27, 2022
    Assignee: Taiyo Yuden Co., Ltd.
    Inventor: Takayuki Haseyama
  • Patent number: 11451097
    Abstract: A surface mountable housing for a power transmitter for wireless power transfer includes a connector system configured for use to mount, at least, a transmitter antenna to an underside of a structural surface, such that the transmitter antenna is configured to couple with a receiver antenna of a power receiver when the receiver antenna is proximate to a top side of the structural surface. The surface mountable housing further includes a heat sink, the heat sink configured to rest, at least in part, below the transmitter antenna, when the power transmitter is connected to the structural surface, and configured to direct heat generated by the power transmitter away from the structural surface, and an antenna housing, the antenna housing substantially surrounding a side wall of the transmitter antenna, the antenna housing connected to the heat sink and positioned between the heat sink and the structural surface.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: September 20, 2022
    Assignee: NuCurrent, Inc.
    Inventors: Oleg Los, Md Nazmul Alam
  • Patent number: 11451145
    Abstract: A trans-inductor voltage regulator (TLVR) circuit has multiple phases and a regulator block for each phase. Each regulator block has a winding of a transformer as an output inductor. The other windings of the transformers are connected in series with a nonlinear compensation inductor. The compensation inductor has a large inductance when the compensation inductor current is responsive to a steady state load current and has a small inductance when the compensation inductor current is responsive to a transient load current.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: September 20, 2022
    Assignee: Monolithic Power Systems, Inc.
    Inventors: Hang Shao, Dianbo Fu, Daocheng Huang, Tao Zhao
  • Patent number: 11437181
    Abstract: A metal film includes portions that are opposed to each other and located away from each other between the first winding and the second winding. The metal film includes the first linear part that is thermally coupled to a housing. The average value of electric resistance per unit length in the peripheral direction of the first linear part of the metal film is greater than an average value of electric resistance per unit length of locations other than the first linear part.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: September 6, 2022
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Hiroshi Fukasaku, Shunsuke Ambo, Junya Kaida, Yoshiki Nagata, Takashi Kawashima, Kenji Hayakawa, Yoshikazu Hayashi, Atsushi Naito
  • Patent number: 11424573
    Abstract: Connectors that have a low profile, can form strong and reliable connections despite connection alignment errors, and can be readily manufactured. One example can provide a connector receptacle having a magnetic array arranged to provide a strong attachment that allows the use of a low profile connector receptacle and connector insert. The magnetic array can include magnets and magnetic elements, where the magnetic elements can be magnetically conductive pole-pieces. Each pole piece can have magnets at two of its sides. Another example can provide contacts for a connector insert that can have more than one contacting surface to connect to a contact of a connector receptacle.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: August 23, 2022
    Assignee: Apple Inc.
    Inventors: Mahmoud R. Amini, Ayoub Yari Boroujeni, John C. DiFonzo, Bradley J. Hamel, George Tziviskos, Hao Zhu, Paul Hack, Jean-March Gery
  • Patent number: 11424070
    Abstract: Disclosed herein is a coil component that includes: a first magnetic core extending in the first direction and around which the wires are wound; a second magnetic core having a first wall surface part covering the first magnetic core from one side in the second direction, a second wall surface part covering the first magnetic core from other side in the second direction, and a third wall surface part covering the first magnetic core from one side in the third direction; first and second terminal electrodes connected respectively to one ends of the wires and arranged in the first direction along the first wall surface part; and third and fourth terminal electrodes connected respectively to other ends of the wires and arranged in the first direction along the second wall surface part.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: August 23, 2022
    Assignee: TDK CORPORATION
    Inventors: Shuhei Someya, Kouyu Ohi, Tasuku Mikogami
  • Patent number: 11422162
    Abstract: Current transducer including a housing comprising a coil support, a magnetic core extending between a first end and a second end, and a coil comprising a plurality of windings formed around the coil support. The coil support comprises a core receiving channel within which the magnetic core is inserted, the coil support comprising a radially inner support portion and a radially outer support portion between which the core receiving channel is disposed. The radially inner support portion is slidably movable with respect to the radially outer support portion.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: August 23, 2022
    Assignee: LEM International SA
    Inventors: Félix Buhlmann, Pascal Morel
  • Patent number: 11422112
    Abstract: An electromagnet for a thermography system comprising a first elongated magnetic core spaced apart from a second elongated magnetic core; at least a first shorting bar connecting substantially at a first end of the first elongated magnetic core and a first end of the second elongated magnetic core; and at least a first excitation coil configured to conduct electrical current.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: August 23, 2022
    Inventor: Meir Gershenson
  • Patent number: 11410806
    Abstract: The present invention relates to a magnetic core containing soft magnetic powder and a coil component using the magnetic core. The soft magnetic powder has particles each having at least one pore therein, and the number of pores present in a region of 2.5 mm square in a cross section of the magnetic core is 60×(?/80) or more and 10000×(?/80) or less, in which the volume packing density of the soft magnetic powder in the magnetic core is ?%.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: August 9, 2022
    Assignee: TDK CORPORATION
    Inventors: Nobuhiro Okuda, Hiroyuki Matsumoto, Kazuhiro Yoshidome
  • Patent number: 11404198
    Abstract: Provided is a reactor including a coil provided with two winding portions that are obtained by winding a winding wire such that axes of the winding portions are parallel to each other, and a magnetic core including a rectangular parallelepiped inner core portion disposed in each of the winding portions, and outer core portions that are disposed outside the winding portions and are for linking the inner core portions, in which at least one of two outer corner portions out of four corner portions of each of the inner core portions includes a corner chamfering portion that has been chamfered more than an inner corner portion that is opposite the outer corner portion, the four corner portions facing an inner circumferential surface of the winding portion and the two outer corner portions being disposed on the side of each winding portion that is distant from the other winding portion.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: August 2, 2022
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventors: Kazuhiro Inaba, Kouji Nishi, Kouhei Yoshikawa
  • Patent number: 11398338
    Abstract: A reactor includes a coil including wound portions; and a magnetic core that includes a set of core pieces that engage with each other and is arranged inside and outside of the wound portions. One core piece includes, at an end portion thereof, a recessed portion having a ring-shaped opening edge that is open toward the other core piece. The other core piece includes, at an end portion thereof, a protruding portion that is configured to be fit into the recessed portion. Both of the core pieces include, in the wound portions, ring-shaped contact portions that are provided along the opening edges and at which the core pieces come into surface contact with each other, and gap portions formed by non-contact regions in which the inner peripheral surfaces forming the recessed portions and the outer peripheral surfaces of the protruding portions are not in contact with each other.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: July 26, 2022
    Assignees: AutoNetworks Technologies, Ltd., Summitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventor: Kazuhiro Inaba
  • Patent number: 11367568
    Abstract: An inductive device comprises a plate-shaped ferrite core and a hybrid double-D solenoid coil which is arranged over the plate-shaped ferrite core and has a plurality of turns. The plurality of turns is grouped into at least two groups, each having at least two immediately consecutive turns which in a group have monotonically increasing or decreasing turn diameters, wherein the last turn of a group has a turn diameter that is larger than that of the first turn of the following group if the turn diameter of the turn immediately preceding the last turn within the group is smaller than the turn diameter of the last turn, or has a turn diameter that is smaller than that of the first turn of the following group if the turn diameter of the turn immediately preceding the last turn is larger than the turn diameter of the last turn.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: June 21, 2022
    Assignee: SUMIDA COMPONENTS & MODULES GMBH
    Inventors: Mathias Weber, Marco Uczulko
  • Patent number: 11357101
    Abstract: The disclosed technology relates to a power supply circuit that utilizes an integrated power module that has a first and second power converter disposed on opposite sides of an inductor core. The power supply circuit includes an inductor core comprising a plurality of nano-magnetic layers embedded within a printed circuit board, a first winding disposed on a first outer surface of the inductor core, a second winding disposed on a second outer surface of the inductor core, a first active layer disposed on an outer surface of the first winding, a second active layer disposed on an outer surface of the second winding, a first capacitor tile disposed on an outer surface of the first active layer, and a second capacitor tile disposed on an outer surface of the second active layer.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: June 7, 2022
    Assignee: Apple Inc.
    Inventors: Sunil M. Akre, Kejiu Zhang
  • Patent number: 11316182
    Abstract: A fuel cell module has: a first stacked body including a plurality of unit cells stacked on each other; and a second stacked body including a plurality of magnetic body sheets stacked on each other. The magnetic body sheets includes a coil. The first stacked body is superposed on the second stacked body so as to be electrically connected to the coil. A conductor serving as a part of the coil is embedded in each magnetic body sheet. The conductor has a first end portion and a second end portion exposed from surfaces of each magnetic body sheet on opposite sides from each other. The first end portion of the conductor of one of a set of magnetic body sheets adjacent to each other, among the magnetic body sheets, contacts the second end portion of the conductor of the other of the set of magnetic body sheets.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: April 26, 2022
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Tomohiko Kaneko, Masayuki Itou
  • Patent number: 11309933
    Abstract: Auto-balancing transformers are disclosed for balancing a multi-phase electrical system by varying the degree of electromagnetic coupling between primary and secondary windings. The auto-balancing transformer includes a movable armature to selectively couple primary phases with two or fewer phases of the secondary system.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: April 19, 2022
    Assignee: Hitachi Energy Switzerland AG
    Inventors: Parag Upadhyay, Mirrasoul Mousavi
  • Patent number: 11295888
    Abstract: A reactor includes: a coil including a first winding portion and a second winding portion formed by winding a winding wire, such that axes of the winding portions are parallel; and a magnetic core including: a first inner core portion arranged in the first winding portion; a second inner core portion arranged in the second winding portion; and outer core portions that are arranged outside of the winding portions and couple both inner core portions. A specification of a constituent material of the first inner core portion and a specification of a constituent material of the second inner core portion are different, and the second inner core portion is configured such that alternating-current loss of the second inner core portion and the second winding portion is smaller than alternating-current loss of the first inner core portion and the first winding portion.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: April 5, 2022
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventors: Kazuhiro Inaba, Kouji Nishi, Kouhei Yoshikawa
  • Patent number: 11183328
    Abstract: A coupled inductor for low electromagnetic interference includes a plurality of windings and a composite magnetic core including a coupling magnetic structure formed of a first magnetic material and a leakage magnetic structure formed of a second magnetic material having a distributed gap. The coupling magnetic structure magnetically couples together the plurality of windings, and the leakage magnetic structure provides leakage magnetic flux paths for the plurality of windings.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: November 23, 2021
    Assignee: MAXIM INTEGRATED PRODUCTS, INC.
    Inventors: Alexandr Ikriannikov, Di Yao
  • Patent number: 11176294
    Abstract: Provided is a method of designing coils for transmitting or receiving power wirelessly. The method includes determining a length and a width of a core on which a first coil and second and third coils are disposed, and determining radii and a number of turns of the first to third coils, wherein each of the second and third coils overlaps one side of the first coil. The method further includes determining an operating frequency of the coils and a thickness of the core, determining an optimal thickness of a foil constituting the first to third coils by measuring AC resistances of the first to third coils, and determining an optimal width of the foil by measuring the AC resistances of the first to third coils, whereby an enhanced configuration of the coils is provided.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: November 16, 2021
    Assignee: HITACHI-LG DATA STORAGE KOREA, INC.
    Inventors: Hogil Lee, Hyunwook Ha
  • Patent number: 11171561
    Abstract: A transformer includes a magnetic core, a primary side winding and a plurality of secondary side windings. The magnetic core includes a first outer column, a second outer column, an upper cover and a lower cover. The first outer column and the second outer column are disposed between the upper cover and the lower cover. The primary side winding is disposed on the first outer column and the second outer column, and the plurality of secondary side windings are disposed on the first outer column and the second outer column. Each of the secondary windings has one end passing through a region between the first outer column and the second outer column.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: November 9, 2021
    Assignee: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Yu-Chen Liu, Chen Chen, De-Jia Lu, Yong-Long Syu, Kai-De Chen, Ching-Chia Chen, Katherine Ann Kim, Huang-Jen Chiu
  • Patent number: 11043326
    Abstract: A power transformer including at least one primary side conductive piece, at least one secondary side conductive piece, a first conductive strip pin, a second conductive strip pin and an iron core set is provided. The at least one secondary side conductive piece is stacked to the at least one primary side conductive piece along an axis. The first conductive strip pin and the second conductive strip pin extend from the at least one secondary side conductive piece, and are bent and extend along the axis. The iron core set is coupled to the at least one primary side conductive piece and the at least one secondary side conductive piece. A circuit board module is further provided.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: June 22, 2021
    Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology Corporation
    Inventors: Han-Ju Chiang, Chih-Tai Chen
  • Patent number: 11031177
    Abstract: A power converter includes a magnetic core and a plurality of windings. The plurality of windings are each wound around the magnetic core and bent to have a portion extending in the direction in which the magnetic core extends. Each of the plurality of windings is bent to include a region located farthest out from the magnetic core among all of the plurality of windings.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: June 8, 2021
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Koji Nakajima, Takashi Kumagai, Jun Tahara
  • Patent number: 11031802
    Abstract: A power management system and method are disclosed. The system can be a high availability power delivery system. The system can be GPS tracked. The system can have multiple batteries, multiple input power sources, and multiple loads. The system can switch between the multiple batteries and the power source to deliver power to the load. The system can ensure there will always be an input power source to power the load.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: June 8, 2021
    Assignee: V5 SYSTEMS, INC.
    Inventors: Steven K. Yung, Yuck Ming Chiu
  • Patent number: 10896778
    Abstract: A transformer includes an outer peripheral iron core, and at least three iron core coils, which are in contact with or coupled to the inner surface of the outer peripheral iron core. The at least three iron core coils each include an iron core, and at least one of a primary coil and a secondary coil, which are wound around the iron core. Gaps, which can be magnetically coupled, are formed between two adjacent ones of the at least three iron cores, or between the at least three iron cores and a central iron core positioned at the center of the outer peripheral iron core.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: January 19, 2021
    Assignee: Fanuc Corporation
    Inventors: Masatomo Shirouzu, Kenichi Tsukada
  • Patent number: 10897183
    Abstract: An on-vehicle motor-driven compressor includes a compression unit, an electric motor, and an inverter device. The inverter device includes an inverter circuit and a noise reducer. The noise reducer includes a common-mode choke coil and a smoothing capacitor. The common-mode choke coil includes a loop-shaped core, a first winding wound around the core, a second winding wound around the core, the second winding being spaced apart from and opposed to the first winding, and a loop-shaped conductor that covers the core while extending over the first winding and the second winding. The core includes an exposed portion that is not covered with the conductor. Parts of the conductor that are opposed to each other between the first winding and the second winding are spaced apart from each other.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: January 19, 2021
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Shunsuke Ambo, Fumihiro Kagawa, Hiroshi Fukasaku, Yoshiki Nagata, Junya Kaida, Takashi Kawashima, Yoshikazu Hayashi, Hidehiro Kudo, Takahiro Okazaki, Takashi Yoshida
  • Patent number: 10892083
    Abstract: A toroidal transformer assembly of an electronic component module assembly includes a transformer mounting plate receptive of the toroidal transformer. The transformer mounting plate includes a base, a center boss extending from the base, and an outer ring extending from the base, and spaced apart from the center boss. The center boss and the outer ring define a mounting location for a toroidal transformer therebetween. A plurality of fins are positioned to conduct thermal energy from the toroidal transformer to the base.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: January 12, 2021
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Hebri Vijayendra Nayak, Scott C. Wohlfarth, Michael Anthony Futrell
  • Patent number: 10886046
    Abstract: The invention related to an integrated magnetic component for a switched mode power converter. The integrated magnetic component comprises a single magnetic core structure formed by magnetic core elements, wherein at least one of the magnetic core elements is a leg-core-element with a flange and one or more legs are arranged on one side of the flange. The magnetic core elements of the single magnetic core structure are linearly stacked. The integrated magnetic component further comprises an isolating transformer with a higher current transformer winding arranged on at least one leg of the magnetic core elements, a lower current transformer winding arranged on at least one leg of the magnetic core elements and a first filter inductor comprising a first filter winding, arranged on at least one leg of the magnetic core elements. Herein the higher current transformer winding and the filter winding comprise at least an edgewise wound winding part. The invention further relates to a switched mode power converter.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: January 5, 2021
    Assignee: DELTA ELECTRONICS (THAILAND) PUBLIC CO., LTD.
    Inventors: Hugues Njiende, Sergey Tikhonov
  • Patent number: 10879773
    Abstract: A common-mode choke coil includes a loop-shaped core, a cover made of a conductor covering at least part of the core, a first winding wound around an outer surface of the cover, and a second winding wound around the outer surface of the cover. The cover includes a first region around which the first winding is wound, a second region around which the second winding is wound, and two connection regions that connect the first region and the second region to each other in a circumferential direction. The cover has first and second slits in an inner circumferential surface. The first slit extends such that the first region is non-continuous with respect to a winding direction of the first winding. The second slit extends such that the second region is non-continuous with respect to a winding direction of the second winding.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: December 29, 2020
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Shunsuke Ambo, Fumihiro Kagawa
  • Patent number: 10852116
    Abstract: A fuze setter interface for substantially simultaneously and wirelessly transferring power and data between a fuze setter and fuze. The fuze setter interface includes separate power and communications interfaces. In the power interface, an induction coil is provided in each of the fuze setter and fuze. Power is transferred by magnetic field coupling between the induction coils. In the communications interface, a communications member is provided in each of the fuze setter and fuze, along with appropriate functions to generate alternating-current (AC) waveforms, and condition, modulate or demodulate signals. In one example, both communications members are induction coils that transfer data by magnetic field coupling. In another example, both communications members are radio-frequency (RF) transceivers that transfer data by radio signal. The RF transceiver in the fuze may be a Height of Burst (HoB) sensor.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: December 1, 2020
    Assignee: BAE Systems Information and Electronic Systems Integration Inc.
    Inventor: Francis M. Feda
  • Patent number: 10818425
    Abstract: A high-voltage lead structure for a three-dimensional wound core of a transformer that includes a three-dimensional wound core spliced by three rectangular single frames, and A-phase, B-phase and C-phase windings. The three-dimensional wound core includes three core legs, an upper iron yoke and a lower iron yoke. The upper iron yoke and the lower iron yoke of the three-dimensional wound core are triangular structures respectively. The A-phase, B-phase and C-phase windings are correspondingly arranged in the three core legs. Each single-phase winding includes an internal low-voltage winding and an external high-voltage winding. High-voltage windings of the A-phase, the B-phase and the C-phase are jointly connected to a tap switch through lead-out wires. The tap switch is located outside the triangular structure of the upper iron yoke and is arranged in a vertical extension line of a midpoint between the A-phase and C-phase windings.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: October 27, 2020
    Assignee: Haihong Electric Co., LTD.
    Inventors: Kaixuan Xu, Lizhen Zhai, Qingning Liang, Jingtao Luo, Libo Zhou
  • Patent number: 10784034
    Abstract: A core structure includes a first magnetic cover, a second magnetic cover, and at least two winding columns and at least one common side column provided between the first magnetic cover and the second magnetic cover and opposite to each other. The side wall of the common side column towards the at least two winding columns is provided with at least one first protrusion which extends towards the gap formed between the two adjacent winding columns.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: September 22, 2020
    Assignee: Delta Electronics (Shanghai) CO., LTD
    Inventors: Haijun Yang, Zengyi Lu, Weilong Xia, Guodong Yin, Jinfa Zhang
  • Patent number: 10755849
    Abstract: In an exemplary embodiment, a coil component includes: a core 10 having a pillar part 24, and a hollow space 22 around the pillar part 24; a coil conductor 40 having a spiral part 42 placed around the pillar part 24, and a lead part 48a or 48b led out from the spiral part 42 toward the bottom face 28 of the core 10, which lead part includes an end part 46a or 46b extending in parallel with the bottom face 28 and serves as an external terminal 49a or 49b; and an insulated terminal 60 electrically insulated from the coil conductor 40, which is provided on at least the bottom face 28; wherein the total base area of the bottom part 72 of the dummy terminal 60, on the bottom face 28, is greater than the total base area of the external terminals 49a, 49b.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: August 25, 2020
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Chiharu Hayashi
  • Patent number: 10755850
    Abstract: A three-phase AC reactor according to an embodiment includes a peripheral iron core that forms an outer periphery, and at least three iron core coils that are in contact with or connected to inner surfaces of the peripheral iron core. Each iron core coil includes an iron core and a coil wound around the iron core. The at least three iron core coils form gaps between the iron core coils adjoining each other so as to be magnetically connectable through the gaps. Each coil has coil extension members that extend from coil ends to connection points to an external device.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: August 25, 2020
    Assignee: Fanuc Corporation
    Inventors: Kenichi Tsukada, Masatomo Shirouzu
  • Patent number: 10741319
    Abstract: A three-phase reactor according to an embodiment includes a first plate iron core and a second plate iron core disposed oppositely to each other; a plurality of cylindrical iron cores disposed between the first plate iron core and the second plate iron core orthogonally to the first plate iron core and the second plate iron core, the iron cores being disposed rotationally symmetrically with respect to an axis equidistant from central axes of the iron cores, as a rotation axis; and a plurality of coils each wound on each of the iron cores.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: August 11, 2020
    Assignee: FANUC CORPORATION
    Inventors: Takuya Maeda, Chao Zhi
  • Patent number: 10692650
    Abstract: A three-phase transformer according to an embodiment includes a first plate iron core and a second plate iron core disposed opposite each other; a plurality of columnar iron cores disposed between the first plate iron core and the second plate iron core so as to be connected to the first plate iron core or the second plate iron core, the number of the columnar iron cores being an integer multiple of 3, the columnar iron cores being disposed rotation-symmetrically with respect to an axis equidistant from central axes of the columnar iron cores; and coils including a plurality of primary coils and a plurality of secondary coils, the number of the primary coils being an integer multiple of 3, the number of the secondary coils being an integer multiple of 3, the primary coils and the secondary coils being wound on the individual columnar iron cores.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: June 23, 2020
    Assignee: FANUC CORPORATION
    Inventors: Chao Zhi, Takuya Maeda
  • Patent number: 10630191
    Abstract: A transformer and an LLC resonant converter are provided. The transformer includes first and second cores configured to include a pair of outer foots and a middle foot positioned between the outer foots, and to induce a magnetic field formation; first and second inductor winding parts configured to include a conductor surrounding a circumference of each of the pair of outer foots of the first core, and to be connected in series with each other; and first and second transformer winding parts configured to include a conductor surrounding a circumference of each of the pair of outer foots of the second core, wherein the pair of outer foots of the first core face the pair of outer foots of the second core, the middle foot of the first core faces the middle foot of the second core, and the first core and the second core are disposed to be spaced apart from each other.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: April 21, 2020
    Assignee: SOLUM CO., LTD.
    Inventors: Sang-keun Ji, Sang-kyoo Han, Cheol-wan Park, Dong-kyun Ryu, Heung-gyoon Choi
  • Patent number: 10546682
    Abstract: A reactor comprises a first coil, a second coil and a core. Each of the first coil and the second coil is embedded in the core. The core has an outer core part, an inner core part, an upper core part, a lower core part and a middle core part. The upper core part is positioned above an upper end of a cross-section of the first coil in an up-down direction. The lower core part is positioned below a lower end of a cross-section of a second coil in the up-down direction. The core is made of a first member and a second member. The second member has a relative permeability which is greater than a relative permeability of the first member. Each of the upper core part and the lower core part is made of the second member.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: January 28, 2020
    Assignee: TOKIN CORPORATION
    Inventors: Yuki Abe, Takashi Yanbe, Masahiro Kondo, Takuya Endou, Keisuke Akaki
  • Patent number: 10541077
    Abstract: A hybrid transformer core includes a first yoke of amorphous steel and a second yoke of amorphous steel. The hybrid transformer core further includes at least two limbs of grain-oriented steel extending between the first yoke and the second yoke. The first end of each one of the at least two limbs is coupled to a first surface of the first yoke in a first connection plane and wherein a second end of each one of the at least two limbs is coupled to a second surface of the second yoke in a second connection plane. The first surface in all directions along the first connection plane extends beyond the first end of each one of the at least two limbs. The second surface in all directions along the second connection plane extends beyond the second end of each one of the at least two limbs.
    Type: Grant
    Filed: May 30, 2013
    Date of Patent: January 21, 2020
    Assignee: ABB Schweiz AG
    Inventor: Thomas Fogelberg
  • Patent number: 10491087
    Abstract: A method of manufacturing a rotor of an electric motor is disclosed. The method includes securing a plurality of permanent magnets to a sheet to form a magnet chain, bending the sheet to engage an inner surface of each permanent magnet with a curved outer surface of an insert mold, wrapping a metallic strip around an outer surface of the sheet to form a yoke of the rotor, and molding a polymeric material over the magnet chain and the yoke to form a cylindrical shell.
    Type: Grant
    Filed: October 1, 2013
    Date of Patent: November 26, 2019
    Assignee: Whirlpool Corporation
    Inventors: Luiz V. Dokonal, Evandro J. Meurer, Orlando Starke
  • Patent number: 10483851
    Abstract: Provided is a voltage conversion device including: a voltage conversion circuit having two inductors that are wound around a core and that magnetically cancel each other out, and switching elements that switch current flowing through the respective inductors; and a control unit that alternately turns on and off each of the switching elements. The coupling coefficient of the two inductors is in the range from ?0.99 to ?0.78.
    Type: Grant
    Filed: May 29, 2017
    Date of Patent: November 19, 2019
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Keiji Tashiro, Xiaoguang Zheng
  • Patent number: 10468961
    Abstract: A power source control circuit is a hysteresis control circuit controlled by current mode. The power source control circuit includes a DC input power source, an input capacitor, a first switching element, a second switching element, an inductor, a current detector, a diode, a third switching element, a hysteresis current controller, and a load. The first end of the inductor is coupled to the second terminal of the first switching element and the first terminal of the second switching element. The second end of the inductor is coupled to the first terminal of the third switching element. The inductor outputs a pulse width modulated output current that is in the PWM mode and that flows into the load.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: November 5, 2019
    Assignee: MEANWELL (GUANGZHOU) ELECTRONICS CO., LTD.
    Inventor: Kai-Hsiang Chang
  • Patent number: 10340071
    Abstract: The invention relates to a magnetic circuit (2) for carrying at least one coil (3), the circuit (2) comprising: at least one inner leg (6) and at least two outer legs (4), and a connecting part (7) for guiding the magnetic flux of the inner leg (6) towards each outer leg (4), none of the outer legs (4) having a gap width and the inner leg (6) being at least partially formed from at least one material having a relative magnetic permeability lower than that of the material(s) forming the outer legs.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: July 2, 2019
    Inventor: Richard Demersseman
  • Patent number: 10325712
    Abstract: In some embodiments, the instant invention involves an electrical system that at least includes: a three-phase inductor, including: a core, including: a plurality of core lamination pieces. having: a first core lamination piece and a second core lamination piece; where the first core lamination piece includes a plurality of first laminations that have a first shape and arranged in a first pattern to form a plurality of first differential mode gaps; where the second core lamination piece includes a plurality of second laminations that have a second shape and arranged a second pattern to form a plurality of second differential mode gaps; where the first pattern and the second pattern are distinct; where the first core lamination piece and the second core lamination piece are positioned at a particular orientation of the first pattern to the second pattern so that to increase a common mode inductance of the core.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: June 18, 2019
    Assignee: MTE Corporation
    Inventor: Todd A. Shudarek
  • Patent number: 10304601
    Abstract: In an embodiment, a magnetic body includes: multiple soft magnetic alloy grains 11, 12 each containing Fe, element L (where element L is Si, Zr or Ti), and element M (where Element M is an element other than Si, Zr, and Ti, and which oxidizes more easily than Fe); oxide films 21, 22 covering the soft magnetic alloy grains, respectively; a bonding material 30 constituted by an oxide that exists separately from the oxide films 21 (21A, 21B), 22 (22A, 22B); first bonds where adjacent soft magnetic alloy grains 11, 12 are bonded together via the oxide films 21, 22; and second bonds where adjacent soft magnetic alloy grains 11, 12 are bonded together via the bonding material 30, without the oxide films 21, 22 that respectively cover these grains making direct contact with each other.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: May 28, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Atsushi Tanada
  • Patent number: RE48472
    Abstract: A choke includes a single-piece core entirely made of a same material, the single-piece core having two boards and a pillar located between the two boards, a winding space being located among the two boards and the pillar, wherein the pillar has a non-circular and non-rectangular cross section along a direction substantially perpendicular to an axial direction of the pillar, the cross section of the pillar has a first axis and a second axis intersecting with each other at a center of the cross section of the pillar and are substantially perpendicular with each other, the first axis is longer than the second axis, and the cross section of the pillar is substantially symmetrical to both of the first axis and the second axis.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: March 16, 2021
    Assignee: CYNTEC CO., LTD.
    Inventors: Tsung-Chan Wu, Roger Hsieh, Yi-Min Huang, Lan-Chin Hsieh, Yu-Ching Kuo