Patents Examined by Tszfung J Chan
  • Reactor
    Patent number: 11017935
    Abstract: A reactor including a coil having a wound portion that is formed by winding a wire, a magnetic core having an inner core portion disposed inside the wound portion and an outer core portion disposed outside the wound portion, the inner and outer core portions forming a closed magnetic circuit, and an inner resin portion that joins an inner peripheral surface of the wound portion and an outer peripheral surface of the inner core portion to each other. The inner core portion includes a plurality of core pieces and gap portions that are constituted by a portion of the inner resin portion, the core pieces each including a gap-facing surface that faces a corresponding gap portion, a coil-facing surface that faces the inner peripheral surface of the wound portion, and a notch-shaped resin flow portion at a corner portion between the gap-facing surface and the coil-facing surface.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: May 25, 2021
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventor: Shinichiro Yamamoto
  • Inductor component
    Patent number: 11011293
    Abstract: An inductor component includes a drum core including a winding core portion extending along a longitudinal direction and a pair of flange portions disposed on end portions of the winding core portion, a plate core bonded to the pair of flange portions, and a wire wound around the winding core portion. The drum core and the plate core are made of a magnetic material. An average distance between the plate core and the pair of flange portions is no less than about 20 ?m and no more than about 50 ?m. The wire includes aligned banked winding portions arranged along the longitudinal direction and more than half of a total number of turns of the wire belong to the aligned banked winding portions.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: May 18, 2021
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Masashi Miyamoto
  • Coil component
    Patent number: 11004593
    Abstract: A coil conductive wire has a coil part wound around a pillar part, and flat-shaped connection end parts provided at respective ends of the coil part. Terminal electrodes are electrically connected to the connection end parts, each of which terminal electrodes has an electrode layer and a conductive layer covering the electrode layer. Each connection end part has a first principle face connected to a surface of the electrode layer, a second principle face projecting from a surface of the conductive layer, and a side face. The conductive layer has a flat area, and a skirt area provided between the flat area and the side face and sloping onto the side face. The thickness of the flat area is smaller than that of each connection end part, while the thickness of the skirt area decreases in the direction away from the side face.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: May 11, 2021
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Hirotaka Wakabayashi
  • Reactor having iron cores and coils
    Patent number: 11004590
    Abstract: A core body of a reactor includes an outer peripheral iron core composed of a plurality of outer peripheral iron core portions, at least three iron cores coupled to the plurality of outer peripheral iron core portions, and coils wound onto the at least three iron cores. Gaps, which can be magnetically coupled, are formed between one of the at least three iron cores and another iron core adjacent thereto. The reactor includes cover parts which at least partially cover the iron cores and provide insulation from the coils.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: May 11, 2021
    Assignee: Fanuc Corporation
    Inventors: Tomokazu Yoshida, Masatomo Shirouzu, Kenichi Tsukada
  • Common mode filter and manufacturing method thereof
    Patent number: 10998122
    Abstract: Disclosed herein is a common mode filter that includes a winding core part including a first winding area positioned at one end side in an axial direction, a second winding area positioned at other end side in the axial direction, and a third winding area positioned between the first and second winding areas; and first and second wires wound in a same direction around the winding core part. The first wire is aligned and wound in the first and second winding areas, and the second wire is wound on the first wire in the first and second winding areas. The first and second wires cross each other in the third winding area and are separated at least partially in the third winding area.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: May 4, 2021
    Assignee: TDK CORPORATION
    Inventors: Yuma Komaya, Miki Kusakabe, Tomokazu Tsuchiya
  • Coil component
    Patent number: 10998119
    Abstract: A coil component includes a body part in which a plurality of body sheets are stacked, an internal coil disposed in the body part and including a plurality of internal electrode patterns each disposed on a respective one of the plurality of body sheets, and an external electrode part electrically connected to both ends of the internal coil. A first internal area of a first internal electrode pattern disposed on one of the plurality of body sheets is smaller than a second internal area of a second internal electrode pattern disposed on another of the plurality of body sheets.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: May 4, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Bong Sup Lim
  • Wire-wound coil component and method for producing wire-wound coil component
    Patent number: 10998117
    Abstract: A wire-wound coil component includes a core having a spool and a flange, a wire wound around the spool, and an outer electrode to which an end portion of the wire is electrically coupled. The flange has a lateral surface and a bottom surface. The outer electrode has a metal thin-film section in contact with the lateral surface and a thick-film electrode section which is a metal composite film in contact with the bottom surface.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: May 4, 2021
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Kohei Kobayashi, Yoshifumi Maki, Takuya Ishida, Shinya Hirai
  • Bobbin wound electrical reactor assembly
    Patent number: 10991502
    Abstract: A reactor assembly including a first core formed of a plurality of stacked E-shaped planar metal laminates welded together, and a second core formed of a plurality of stacked I-shaped planar metal laminates welded together. The first core includes a plurality of legs having bottom surfaces, the plurality of legs including first and second outer legs and a center leg. A bobbin assembly is provided with a plurality of bobbins each having a hollow inner cavity, and wire wound around the bobbin. The plurality of bobbins including first and second outer bobbins and a center bobbin. A U-shaped spring clip includes a pair of clip arms that each extend down through a different one of the inner cavities, and tab apertures that are engaged with matching latching tabs on the second core, such as on a mounting foot secured to the second core.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: April 27, 2021
    Assignee: TCI, LLC
    Inventors: Wesley J. Ruther, Robert H. Wagner, George N. Wood, David S. Wroblewski
  • Apparatus for electrically connecting at least four electrical conductors
    Patent number: 10978236
    Abstract: An apparatus for electrically connecting at least four electrical conductors includes a connecting element and at least four shielding pipes, which are each provided for receiving at least one conductor. In order to enable a simple and economical connection, the connecting element forms pipe connection pieces and each connection piece is integrally joined or materially bonded to a respective shielding pipe.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: April 13, 2021
    Assignee: Siemens Aktiengesellschaft
    Inventors: Jens Hoppe, Karsten Loppach, Klaus Mueller, Johann Schlager, Thomas Wende, Rene Martin Wimmer
  • Compact vertical inductors extending in vertical planes
    Patent number: 10971296
    Abstract: A device includes a substrate, and a vertical inductor over the substrate. The vertical inductor includes a plurality of parts formed of metal, wherein each of the parts extends in one of a plurality of planes perpendicular to a major surface of the substrate. Metal lines interconnect neighboring ones of the plurality of parts of the vertical inductor.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: April 6, 2021
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hsiao-Tsung Yen, Huan-Neng Chen, Yu-Ling Lin, Chin-Wei Kuo, Mei-Show Chen, Ho-Hsiang Chen, Min-Chie Jeng
  • Coil component
    Patent number: 10957475
    Abstract: A hybrid coil component in which a magnetic core generally included in a wire-wound type inductor and a core included in a multilayer type inductor are combined with each other. A winding coil may be wound around a magnetic core manufactured in advance and an encapsulant having a stacked structure of a plurality of magnetic sheets may encapsulate the winding coil wound around the magnetic core. In this case, a magnetic flux generated in the winding coil is arranged to be parallel to long axes of magnetic particles contained in the magnetic core and the encapsulant.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: March 23, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Soon Kwang Kwon, Young Seuck Yoo, Jung Wook Seo
  • Magnetic core structure
    Patent number: 10943724
    Abstract: A magnetic assembly structure includes a bobbin, an outer core, an inner core, and a gap spacer. The bobbin has first and second flanges. The bobbin has a passageway extending between the first and second flanges. The passageway has at least one crushable passageway rib and a channel wall parallel to the second flange. The outer core is positioned around the first and second flanges. The outer core includes an opening positioned near the first flange. The inner core is positioned in the opening and in the passageway. The gap spacer is positioned between the inner core and an inner surface of the outer core. The gap spacer and outer core are held in frictional engagement between the inner core and channel wall. The gap spacer defines a gap distance which is adjustable by replacing the gap spacer with one of having a different thickness. Adjusting the gap distance modifies the inductance.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: March 9, 2021
    Assignee: Universal Lighting Technologies, Inc.
    Inventors: Donald Folker, Mike LeBlanc, Christopher Radzinski
  • Electromagnetic device having layered magnetic material components and methods for making same
    Patent number: 10937586
    Abstract: A micro fabricated electromagnetic device and method for fabricating its component structures, the device having a layered magnetic core of a potentially unlimited number of alternating insulating and magnetic layers depending upon application, physical property and performance characteristic requirements for the device. Methods for fabricating the high performing device permit cost effective, high production rates of the device and its component structures without any degradation in device performance resulting from component layering.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: March 2, 2021
    Assignee: Teledyne Scientific & Imaging, LLC
    Inventors: Vivek Mehrotra, Rahul Ganguli, Jennifer Kuo, Payam Minoofar, Robert Mihailovich
  • Tunable magnetic core structure
    Patent number: 10930429
    Abstract: A tunable magnetic assembly includes a bobbin, an outer core, and an inner core. The bobbin has a first and second flanges. The bobbin has a passageway extending between the first and second flange. The passageway has a spiral track defined in a passageway surface. The outer core is positioned around the first and second flanges. The outer core includes an opening positioned near the first flange. The inner core is positioned in the opening and in the cylindrical passageway. The inner core includes at least one protrusion extending from an outer surface and configured to engage the spiral track. A gap distance is defined between the inner core and a portion of the outer core near the second flange. The gap distance is adjustable by moving the protrusion within the spiral track. Adjusting the gap distance modifies the inductance.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: February 23, 2021
    Assignee: Universal Lighting Technologies, Inc.
    Inventors: Donald Folker, Travis L. Berry, Mike LeBlanc
  • Single magnetic assembly combining three independent magnetics using a modified “E” core with four winding windows
    Patent number: 10930423
    Abstract: A magnetic connector assembly has three independent magnetic components sharing a common core structure. The magnetic assembly includes first, second, and third bobbins, and includes a magnetic core. The first bobbin includes at least one latch mechanism of a first type. The second bobbin includes at least one latch mechanism of the first type. The third bobbin includes at least one latch mechanism of a second type configured to engage the latch mechanisms of the first and second bobbins. The magnetic core includes first and second core halves, each including a main core body, a first outer leg, a second outer leg, a middle leg, a first intermediate leg, and a second intermediate leg. The first outer leg fits within a passageway of the first bobbin. The second outer leg fits within a passageway of the second bobbin. The middle leg fits within a passageway of the third bobbin.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: February 23, 2021
    Assignee: Universal Lighting Technologies, Inc.
    Inventors: Donald Folker, Mike LeBlanc, Thomas M. Poehlman, Wei Xiong
  • Magnetic flux leakage compensation structure
    Patent number: 10923272
    Abstract: An embodiment provides a magnetic flux leakage compensation structure, which includes an upper clamping piece and a lower clamping piece which are electrically disconnected from side-column tension plates and electrically connected with core-column tension plates, respectively, and which are electrically connected with each other through bypass cables. According to the magnetic flux leakage compensation structure provided by the embodiment, by the bypass cables connecting the upper and lower clamping pieces, currents flowing through the side-column tension plates and cores and induced voltages caused by the magnetic flux leakage in an electric circuit may be effectively avoided.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: February 16, 2021
    Assignees: SHANDONG POWER EQUIPMENT CO., LTD., STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER CO.
    Inventors: Chong Tan, Penghong Guo, Shijun Wang, Jidong Li, Guanghui Liu, Mingsheng Wang, Jianbin Yu, Tingting Li
  • Magnetic core fixing structure
    Patent number: 10923263
    Abstract: An aligned state of core sections is reliably maintained. A fixing structure for a cylindrical magnetic core including an insertion hole into which an electric wire is inserted with a plurality of core sections, which are divided in a circumferential direction, being coaxially aligned with each other, includes a clamping band to be wound around outer circumferential faces of the core sections to tighten the core sections. The magnetic core is accommodated in a holder, and the holder has a holder-side locking-receiving portion at which a remaining portion of the clamping band is locked. Meanwhile, an electric wire fixing portion that is fixed to the electric wire, which passes through the magnetic core, is formed in the holder.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: February 16, 2021
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventor: Yoshio Mizutani
  • Common-mode choke coil
    Patent number: 10923270
    Abstract: A common-mode choke coil comprises a ferrite core including a winding core portion and first and second flange portions. The common-mode choke coil also comprises first and second wires, each of which is helically wound around the winding core portion. The common-mode choke coil further comprises first and second terminal electrodes to which a first end of the first wire and a second end of the first wire, that is opposite the first end, are electrically connected, respectively. In addition, the common-mode choke coil comprises third and fourth terminal electrodes to which a first end of the second wire and a second end of the second wire, that is opposite the first end, are electrically connected, respectively. A common-mode inductance value at 150° C. and 100 kHz is 160 ?H or more, and a return loss at 20° C. and 10 MHz is ?27.1 dB or less.
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: February 16, 2021
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Akio Igarashi
  • Inductor and method of manufacturing the same
    Patent number: 10916366
    Abstract: An inductor includes a body including an insulating portion formed of a plurality of layers and a magnetic portion surrounding the insulating portion and external electrodes disposed on external surfaces of the body, and a method of manufacturing the same. A coil portion is embedded in the insulating portion, and has a structure in which coil patterns formed on a plurality of layers are stacked while being connected to each other.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: February 9, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Yong Sam Lee
  • Reactor and method for manufacturing reactor
    Patent number: 10910147
    Abstract: A reactor including: a coil including a winding portion formed by winding a winding wire; and a magnetic core that forms a closed magnetic circuit constituted by an inner core portion located inside the winding portion and an outer core portion located outside the winding portion. The reactor further includes an inner resin portion that fills a gap between the inner circumferential surface of the winding portion and the outer circumferential surface of the inner core portion, and when a side, of the outer core portion, that faces the inner core portion is defined as an inner side, and the opposite side is defined as an outer side, the outer core portion is provided with a through hole that is open to both the inner side and the outer side, and the through hole is filled with a portion of the inner resin portion.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: February 2, 2021
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventors: Shinichiro Yamamoto, Takashi Misaki, Seiji Shitama, Tatsuo Hirabayashi