Plural Part Core Patents (Class 336/212)
  • 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: 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: 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: 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: 10304619
    Abstract: An electronic component includes a circuit element, a body accommodating the circuit element therein, and a holder made of a metal plate and holding the circuit element. The circuit element includes an end portion extending out of the body from a side surface of the body. The end portion extends from the side surface of the body toward a bottom surface of the body. The holder has first and second side surface portions and a bottom surface portion facing the bottom surface of the body. The first and second side surface portions face the side surface of the body. The first and second side surface portions are disposed with respective gaps from the end portion of the circuit element such that the end portion of the circuit element is positioned between the first and second side surface portions. The bottom surface portion is connected to the first and second side surface portions. The end portion of the circuit element is fixed to the bottom surface portion.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: May 28, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventor: Mutsuyasu Ohtsubo
  • 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: 10270344
    Abstract: A multiphase switching DC-DC converter generates an output voltage from an input voltage. The converter includes multiphase coupled inductors having lateral magnetic core and non-looping conductors. The currents in conductors of the inductors flow in opposite directions, and therefore, the coupled inductors are inversely coupled and have a relatively low resistance and relatively small core volume. The reduced resistance of the inductor windings combined with smaller volume of magnetic core in the coupled inductors increases energy conversion efficiency and improves transient response of the converter. The coupled inductors can be employed in buck or boost or buck-boost converters, and they can also be used in buck or boost or buck-boost derived converters with isolation transformers.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: April 23, 2019
    Inventors: Wenkang Huang, Bradley M. Lehman
  • Patent number: 10224140
    Abstract: A surface mount power inductor component for a circuit board including multi-phase power supply circuitry includes a single piece, integrally fabricated magnetic core piece formed with vertically extending interior passageways provided with vertically elongated pre-formed conductive windings that are not magnetically coupled to reduce the footprint of the inductor component while increasing its power capacity. A distributed gap material is also provided in the vertical passageways with the conductive windings that respectively connect to each phase of electrical power.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: March 5, 2019
    Assignee: EATON INTELLIGENT POWER LIMITED
    Inventors: John J. Janis, Yipeng Yan
  • Patent number: 10211746
    Abstract: Disclosed is an integrated transformer used in a resonant converter. The integrated transformer includes a primary side circuit, a secondary side circuit and an integrated core. A first voltage received by the primary side circuit is converted to a second voltage due to the electromagnetic induction, and the second voltage is outputted by the secondary side circuit. The primary side circuit is configured on the integrated core. The integrated core includes many iron rings, and the iron rings have a common side. The common side of the iron rings is a center column of the integrated core, and the other sides of the iron rings are rim columns of the integrated core. The coils of the primary side circuit are configured respectively to the rim columns of the integrated core, and the coils of the primary side circuit are connected in serial.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: February 19, 2019
    Inventor: Jing-Yuan Lin
  • Patent number: 10163559
    Abstract: A terminal electrode includes a base extending along the outer end face of a flange, a mounting part extending from the base along the bottom face of the flange via a first bending part that covers the edge portion where the outer end face and the bottom face meet, and a wire connection part extending from the base along a substantially horizontal face via a second bending part that covers the edge portion where the outer end face and the substantially horizontal face meet, the wire connection part being electrically connected to an end portion of a wire.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: December 25, 2018
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Akio Igarashi, Takashi Murakami, Koji Onishi
  • Patent number: 10149416
    Abstract: A shielding film for an apparatus with a device for wireless charging is provided which comprises several stacked layers. The layers each have several strips of a nanocrystalline soft magnetic alloy arranged on an adhesive layer, the nanocrystalline soft magnetic alloy having a round hysteresis loop. The strips of adjacent layers are offset with respect to one another.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: December 4, 2018
    Assignee: VACUUMSCHMELZE GMBH & CO. KG
    Inventors: Christian Polak, Matthias Schmidt
  • Patent number: 10148164
    Abstract: A topology of composite cascaded high-voltage and low-voltage modules is provided. It includes at least one high-voltage module, at least one low-voltage module, at least one local control circuit and at least one DC-to-DC module. At least one high-voltage module is connected with at least one low-voltage module in cascade manner. At least one local control circuit outputs at least one signal to at least one high-voltage driving circuit and at least one low-voltage driving circuit. An input of at least one DC-to-DC module is connected with two ends of a low-voltage bus capacitor, for receiving a low-voltage DC bus voltage and converting the low-voltage DC bus voltage into a DC output voltage, so as to provide one or more of at least one high-voltage driving circuit, at least one low-voltage driving circuit and at least one local control circuit with a power supply.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: December 4, 2018
    Assignee: Delta Electronics (Shanghai) Co., Ltd.
    Inventors: Jianping Ying, Zhiming Hu, Wei Tian, Wei Xu, Jianfei Zheng
  • Patent number: 10134522
    Abstract: A planar reactor includes a core and a coil. The core includes an upper board, a lower board and a pillar. The pillar is located between the upper board and the lower board. A winding space is located among the upper board, the lower board and the pillar. The coil is wound around the pillar and located in the winding space. The pillar and at least one of the upper board and the lower board are coplanar at a first side of the planar reactor. The pillar is sunk into the winding space from a second side of the planar reactor, wherein the first side is opposite to the second side. A first end of the coil is exposed from the first side of the planar reactor. A second end of the coil is hidden in the winding space partially or wholly at the second side of the planar reactor.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: November 20, 2018
    Assignee: CYNTEC CO., LTD.
    Inventors: Wei Zhang, Chu-Keng Lin, Hung-Chih Lin, Hsieh-Shen Hsieh
  • Patent number: 10096424
    Abstract: Breakage of a ring core or a bobbin upon injection molding of molten resin is to be prevented in a method of manufacturing a reactor including the ring core. A reactor includes a ring core, a bobbin, a pair of coils, and a plastic cover. The bobbin includes a pair of cylinder portions, and flanges connecting ends of the cylinder portions. The reactor is manufactured by following processes. First protrusions that make contact with an inner circumferential surface of the ring core are provided on outer sides of the flanges along a cylinder axis direction. Second protrusions are provided at positions facing the corresponding first protrusions across the ring core are provided on a cavity surface of a mold that forms the plastic cover by injection molding. The plastic cover is formed by injecting molten resin into the mold while clamping the ring core by the first and second protrusions.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: October 9, 2018
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOKAI KOGYO CO., LTD.
    Inventors: Hiroyuki Miyauchi, Shuichi Hirata, Takeshi Okada, Satoshi Ito, Kengo Hara
  • Patent number: 10020106
    Abstract: A reactor includes a reactor body and a heat sink. The reactor body includes coil wire wound around a core. The heat sink is fixed to the reactor body through a heat transfer sheet. The heat sink includes a restricting wall for the heat transfer sheet such that expansion of the heat transfer sheet in a first direction is restricted more than expansion of the heat transfer sheet in a second direction. The first direction is an extending direction of the coil wire on a surface of the reactor body, which abuts on the heat transfer sheet. The second direction is an axis direction of the coil wire.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: July 10, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroyuki Miyauchi, Hirotaka Kamijo, Shuichi Hirata, Satoshi Ito
  • Patent number: 10006110
    Abstract: Mixed magnetic powders for making a magnetic core or body is disclosed, wherein the mixed magnetic powders comprises a first magnetic powder and a second magnetic powder, each of the first magnetic powder and the second magnetic powder being made of a soft magnetic material, wherein the average particle diameter of the first magnetic powder is greater than that of the second magnetic powder, and each of the first magnetic powder and the second magnetic powder has a pre-configured particle size distribution for increasing the density of the magnetic body.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: June 26, 2018
    Assignee: CYNTEC CO., LTD.
    Inventors: Lu-Kuei Lin, Shih-Feng Chien, Po-I Wu
  • Patent number: 9953758
    Abstract: A magnetic element is disclosed, and includes a magnetic core, at least one winding set and at least one heat conduction pipe. The magnetic core includes two magnetic columns arranged oppositely, and two magnetic plates arranged oppositely. The magnetic plates respectively cover two opposite end surfaces of each magnetic column to mutually form a closed magnetic flux path with the magnetic columns. Each of the magnetic columns includes a plurality of first magnetic blocks stacked together. Each of the magnetic plates includes at least one second magnetic block. The winding set binds one of the magnetic columns. The heat conduction pipe is disposed internally in one of the magnetic columns.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: April 24, 2018
    Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.
    Inventors: Ai-Xing Tong, Teng Liu
  • Patent number: 9930529
    Abstract: A shared data communications system includes a network file server and two routers, each with its own address. A first router provides wireless access to a first part of the system. A second router provides wireless access to a second part of the same, shared system via the technique known as broadband-over-power line (BPL). In the second part, a first BPL unit is carried by the proximal end of an electrical conductor for receiving and sending signals between it and distal, second BPL unit on the same electrical conductor. The use of separate routers with different addresses and a power line to transmit and receive data to confine the wireless portion of the second part of the system to a smaller area increase the physical security of wireless communications with the second part, making it less likely data communications taking place in the second part will be accessed by others.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: March 27, 2018
    Assignee: THE BOEING COMPANY
    Inventors: Timothy M Mitchell, Nha Thanh Nguyen, Anil Kumar
  • Patent number: 9887032
    Abstract: A magnetic component and a transformer are provided by the present disclosure. The magnetic component includes: at least three core columns; and a winding wound around at least one of the at least three core columns; wherein a medium having a relative initial permeability equal to 1 is disposed on at least one side of the at least three core columns. In the present disclosure, a conventional magnetic cover board with a high relative initial permeability is replaced by a medium with a relative initial permeability (ur) satisfied ur=1, such as air or a cover board.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: February 6, 2018
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Na Dong, Yicong Xie, Min Zhou
  • Patent number: 9853546
    Abstract: An apparatus and methods for reducing overshoot and undershoot using a reconfigurable inductor in a switching voltage regulator. Specifically, the switching voltage regulator includes a reconfigurable inductor, the reconfigurable inductor has a conductive control ring, and the conductive control ring has an adjustable enclosed area controlled by at least a first switch, wherein the reconfigurable inductor has a varying inductance based on a state of at least the first switch and the adjustable enclosed area of the conductive control ring is shown.
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: December 26, 2017
    Assignee: INTEL CORPORATION
    Inventors: Donghwi Kim, Sergio Augusto Clavijo, Tae H. Kim, James S. Dinh
  • Patent number: 9672971
    Abstract: A coil component includes a coil section and an outer package made of magnetic material in which the coil section is embedded. Both ends of the coil section are drawn out as outer electrodes from a first lateral face of the outer package, and the drawn-out sections are bent toward a bottom face of the outer package, and further bent along the bottom face and a second lateral face, then bent toward a cut-out section provided to the top face of the outer package before engaged with the cut-out section. Recesses are provided on the bottom face at places where the outer electrodes overly, and the outer electrodes are bent toward the recesses, respectively. Inside the bent section of each of the outer electrodes, a notch is formed and the notch includes an opening that spreads over the two faces. A vertex portion of the bent section inside the notch is curved.
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: June 6, 2017
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Mutsuyasu Ohtsubo, Ryusuke Teramoto
  • Patent number: 9620277
    Abstract: Core bodies which have an alignment structure and allow an alignment during the production of magnetic cores irrespective of production tolerances, in which the production tolerances are compensated. In illustrative embodiments a core body of ferromagnetic material comprises a crossbar having an aspect ratio of length to width greater than 1, and at least one core leg extending laterally away from the crossbar along an extension direction. An alignment recess is formed in a rear surface of the crossbar, which is arranged on a side of the crossbar opposite the core legs. A magnetic core is formed of core bodies, whereby at least one core body is provided with an alignment recess, and the core bodies are aligned relative to one another.
    Type: Grant
    Filed: March 16, 2015
    Date of Patent: April 11, 2017
    Assignee: Sumida Components & Modules GmbH
    Inventors: Martin Grubl, Helmut Rott
  • Patent number: 9570228
    Abstract: A transformer structure includes a winding cylinder which is a hollow tube, at least one limiting ring which is a ring sheet, multiple conductive sheets and at least one winding. The limiting ring is able to slide along the winding cylinder and to sleeve on the outside of the winding cylinder. The conductive sheets are sleeved on the outside of the winding cylinder. Two conductive sheets of the conductive sheets are attached to two end surfaces of the limiting ring while the two conductive sheets and the limiting ring form a winding space. The at least one winding is correspondingly disposed in the winding space. Thereby, the assembly of the transformer is simplified, and the winding area, as well as the voltage ratio of the transformer, is increased.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: February 14, 2017
    Assignee: CHICONY POWER TECHNOLOGY CO., LTD.
    Inventor: Ka-Hung An
  • Patent number: 9543786
    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: October 28, 2014
    Date of Patent: January 10, 2017
    Assignee: V5 SYSTEMS, INC.
    Inventors: Steven K. Yung, Yuck Ming Chiu
  • Patent number: 9455080
    Abstract: A reactor using a composite magnetic core in which a ferrite core and a soft magnetic metal core are combined. The reactor is composed of a pair of yoke portion magnetic portions composed of ferrite, winding portion core(s) disposed between the opposite planes of the yoke portion cores, and coil(s) winding around the winding portion core(s). The winding portion core(s) is/are formed using a soft magnetic metal core with a substantially constant cross sectional area. Junction portion cores composed of soft magnetic metal powder cores with a tabular shape are disposed at the spaces where the winding portion core(s) face(s) the yoke portion cores, and the area of the part where the junction portion core faces the yoke portion core is made to be 1.3 to 4.0 times that of the section of the winding portion core.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: September 27, 2016
    Assignee: TDK CORPORATION
    Inventors: Tomofumi Kuroda, Yu Sakurai, Hideyuki Itoh
  • Patent number: 9406430
    Abstract: A reactor using a composite magnetic core in which a ferrite core and a soft magnetic metal core are combined. The reactor is composed of a pair of yoke portion magnetic portions composed of a ferrite core, winding portion core(s) disposed between the opposite planes of the yoke portion cores, and coil(s) wound around the winding portion core(s). The winding portion core(s) is/are made of a soft magnetic metal core, and the cross sectional area of the part for winding the coil of the winding portion core is substantially constant. When the cross sectional area of the part for winding the coil of the winding portion core is set as S1, and the area of the parts opposite to the yoke portion cores in the winding portion core(s) is set as S2, the area ratio S2/S1 is set to be 1.3 to 4.0.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: August 2, 2016
    Assignee: TDK CORPORATION
    Inventors: Tomofumi Kuroda, Yu Sakurai, Hideyuki Itoh
  • Patent number: 9349520
    Abstract: Ferromagnetic cores made from amorphous glasses and methods of forming ferromagnetic cores from metallic glasses are provided. The method forms a magnetic core from a section of a series of concentrically nested ferromagnetic tubes formed of an amorphous metallic material having a Curie-point temperature above room temperature and demonstrating soft ferromagnetic properties, thereby simplifying the manufacturing process and improving the electrical and mechanical performance of the core itself.
    Type: Grant
    Filed: November 9, 2011
    Date of Patent: May 24, 2016
    Assignee: California Institute of Technology
    Inventors: Marios D. Demetriou, William L. Johnson, Xiao Liu, Joseph P. Schramm, Georg Kaltenboeck
  • 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