Winding With Terminals, Taps, Or Coil Conductor End Anchoring Means Patents (Class 336/192)
  • Patent number: 10714255
    Abstract: A common mode choke coil includes a core and a first winding, a second winding, and a third winding that are wrapped around the core. A number of turns in the third winding is less than a number of turns in the first winding and a number of turns in the second winding.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: July 14, 2020
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Ryota Hashimoto
  • Patent number: 10707012
    Abstract: A chip electronic component includes a magnetic body including magnetic metal powder particles, an internal coil unit embedded in the magnetic body, and a cover unit disposed on at least one of upper and lower surfaces of the magnetic body and including a magnetic metal plate. The magnetic metal plate is cracked and includes a plurality of metal fragments.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: July 7, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Suk Jeong, Kang Heon Hur, Seong Jae Lee, Jung Wook Seo, Hiroyuki Matsumoto, Chul Min Sim, Jong Sik Yoon
  • Patent number: 10699841
    Abstract: A wound coil comprises terminal electrodes. Each of the terminal electrodes includes a bottom portion extending over a bottom surface of a flange from a ridge at which the bottom surface and an outer end surface of the flange cross each other, and an outer portion extending over the outer end surface from the ridge. The flange includes a recess between adjacent ones of the terminal electrodes. An outer end portion of the recess that is closer to the outer end surface is located in the outer end surface. An inner end portion of the recess that is closer to the inner end surface is located in the bottom surface, or located at a portion in the inner end surface closer to the bottom surface, than the outer end portion of the recess.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: June 30, 2020
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Ryota Hashimoto
  • Patent number: 10692647
    Abstract: A coil component includes a non-conductive bobbin and a coil that winds around the bobbin. The coil includes first and second coil members with joining portions in which joining holes are formed. The bobbin includes first and second bobbin members. The first bobbin member includes: first and second positioning portions that position the first and second coil members, respectively, when the first and second coil members are moved onto the first bobbin member; and a support that supports lower portions of the first and second joining portions. The second bobbin member includes a first insulator disposed between the first and second coil members. The first and second coil members and the second bobbin member are attached to the first bobbin member by being moved in a single direction without a further step of rotating.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: June 23, 2020
    Assignee: TDK CORPORATION
    Inventors: Masaki Kan, Han Wu
  • Patent number: 10629363
    Abstract: A coil device includes a winding core with a coil portion wound by a wire, first and second flanges with open magnetic circuit respectively formed on both sides of the winding core in an axial direction, and a first facing surface of the first flange and a second facing surface of the second flange facing each other in the axial direction on an outer circumference side of the coil portion. S1/S2 is 0.2 to 1.0, where S1 is a maximum lateral cross sectional area of the winding core as seen from the axial direction, and S2 is a projected overlapping area overlapped by the first facing surface and the second facing surface as seen from the axial direction.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: April 21, 2020
    Assignee: TDK CORPORATION
    Inventors: Syun Ashizawa, Toshio Tomonari, Hirohumi Asou, Emi Ito
  • Patent number: 10607766
    Abstract: A coil component includes a winding core portion; a first flange portion and a second flange portion disposed on both ends of the winding core portion; electrodes disposed on the first flange portion and the second flange portion; a first coil portion and a second coil portion electrically connected between the electrode of the first flange portion and the electrode of the second flange portion and connected to each other in series; and a projection portion disposed on an end surface of the first flange portion on the side opposite to the winding core portion. The first coil portion is disposed on the winding core portion, the second coil portion is disposed on the projection portion, and the first coil portion has an inductance value different from an inductance value of the second coil portion.
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: March 31, 2020
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Noboru Shiokawa
  • Patent number: 10608549
    Abstract: A converter module includes: a system board; and an isolated rectifier unit connected with the system board via at least one pin, the isolated rectifier unit including: a system board; a circuit module; and an isolated rectifier unit arranged adjacent to the circuit module and connected with the system board; wherein the isolated rectifier unit includes: a magnetic core comprising at least one core column parallel to the system board and two cover plates provided at both ends of the core column; and multiple carrier board units provided between the two cover plates and perpendicular to the system board, wherein each of the carrier board units comprises at least one via hole, at least one primary winding, at least one secondary winding and at least one switch connected with the at least one secondary winding.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: March 31, 2020
    Assignee: Delta Electronics (Shanghai) CO., LTD
    Inventors: Jianhong Zeng, Xiaoni Xin
  • Patent number: 10600559
    Abstract: A terminal electrode is secured to a flange portion with an adhesive and includes a base disposed on an outer surface of the flange portion and a mounting portion disposed above a bottom surface of the flange portion and extending from a bent portion extending from the base and covering a ridge line along which the outer surface and the bottom surface meet. The mounting portion is not secured to the flange portion.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: March 24, 2020
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Akio Igarashi, Takashi Murakami, Koji Onishi
  • Patent number: 10566118
    Abstract: In an embodiment, a coil component includes a magnetic body, and an internal conductor 21 having a center axis and formed in a spiral shape; wherein the internal conductor 21 is embedded in the magnetic body; in a cross sectional view of a plane that includes the center axis extending in the vertical direction, wherein a conductor region part 11 positioned between the adjacent windings of the spiral shape has a higher oxygen content than that of a core part 12 including the center axis and positioned on the inner side of the windings of the spiral shape. the magnetic body is constituted by iron-based soft magnetic grains and oxide film of at least one type of element that oxidizes more easily than iron, which oxide film bonds at least partly the iron-based soft magnetic grains.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: February 18, 2020
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Shinsuke Takeoka, Akiko Yamaguchi, Kenji Otake
  • Patent number: 10559416
    Abstract: An electronic device includes a molded frame, a core, a coil and a plurality of leads. The molded frame includes central winding bobbin and first and second lateral supports extending laterally outward therefrom. Each of the first and second lateral supports includes a top surface and first and second lower surfaces. The core is disposed about the coil and is supported on the top surfaces of the first and second lateral supports. The leads are formed of conductive material and are molded in the first and second lateral supports. Each of the leads includes a first end portion extending downward from the first lower surface a lateral support, and a second end portion extending along a second lower surface the lateral support. The second lower surface is lower than the first lower surface. The coil is wound about the central winding bobbin. A first end of the coil is affixed to the first end portion of a lead, and a second end of the coil is affixed to the first end portion of another lead.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: February 11, 2020
    Assignee: XFMRS, Inc.
    Inventors: Tung Kong Luk, Yu Kun Liao
  • Patent number: 10559414
    Abstract: A wire-wound type inductor includes a core containing magnetic powder flakes and including a central portion and an outside portion, and a winding coil disposed in the core and wound around the central portion of the core, wherein the core has a coupling structure including first and second bodies, and the first and second bodies contain magnetic powder flakes having shape magnetic anisotropy, and long axes of the magnetic powder flakes are arranged in parallel with a direction in which a magnetic field of the winding coil is formed.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: February 11, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Soon Kwang Kwon, Young Seuck Yoo, Jung Wook Seo
  • Patent number: 10541078
    Abstract: An electronic component includes: an element body in which a plurality of insulator layers are stacked; a coil in which a plurality of inner conductors installed in the element body are electrically connected to each other; and an outer electrode that is disposed on an outer surface of the element body, is electrically connected to the coil, and includes at least a baked electrode layer. The inner conductor connected to the outer electrode includes a connection conductor that electrically connects the baked electrode layer to the inner conductor. The connection conductor includes a protruding portion that protrudes from the outer surface of the element body to the outer electrode. The protruding portion includes a metal having a smaller diffusion coefficient than a metal of a main component included in the baked electrode layer. The inner conductors have a lower electric resistance value than the metal included in the protruding portion.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: January 21, 2020
    Assignee: TDK CORPORATION
    Inventors: Shinichi Sato, Yohei Tadaki, Akihiko Oide, Yuma Ishikawa, Hidekazu Sato, Kazuhiro Ebina, Hiroyuki Tanoue
  • Patent number: 10535462
    Abstract: The invention comprises an inductor, such as used in processing transmission of a 3-phase power system. The inductor comprises a flat/rectangular winding with a narrow edge of the flat winding wound around a core, where the width of the winding exceeds three times the height of the inductor facing edge of the winding. The inductor optionally comprises a distributed gap particle core and/or is wound in parallel with multiple windings. Optionally, the inductor is used as part of an equal coupling common mode electrical system for processing the 3-phase transmission and/or a high frequency inverter comprising a switching device, such as a silicon carbide metal-oxide-semiconductor field-effect transistor.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: January 14, 2020
    Inventors: Hans Wennerstrom, Grant A. MacLennan, Corey Jones
  • Patent number: 10531573
    Abstract: An electronic device package includes a molded case and a plurality of leads. The molded case includes integrally formed side walls, end walls, and a top wall, the side walls, end walls and top wall defining an interior for receiving one or more electronic components. Each side wall includes a top portion, an intermediate portion, and a bottom portion. The top portion includes plate-like structure having first and second surfaces extending downward from the top wall. The intermediate portion includes a shelf structure having a shelf surface that extends from the first surface in a direction away from the interior, and a third surface extending downward from the shelf surface. The bottom portion extends downward from the intermediate portion. The leads are molded at least in part of the intermediate portion. Each lead has a first end portion exposed in the interior, and a second end portion extending along a bottom edge of the bottom portion.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: January 7, 2020
    Assignee: XFMRS, Inc.
    Inventors: Tung Kong Luk, Yu kun Liao
  • Patent number: 10529661
    Abstract: A conductive element made of magnetic layers each being made of a first magnetic material, a trench is formed in each of the magnetic layer with the bottom surface of the trench being located higher than the bottom surface of the magnetic layer, wherein a second material is disposed in the trench and a conductive layer is disposed over the trench for forming the conductive element.
    Type: Grant
    Filed: May 3, 2017
    Date of Patent: January 7, 2020
    Assignee: CYNTEC CO., LTD
    Inventor: Chih Hung Wei
  • Patent number: 10522280
    Abstract: The subject disclosure relates to improved integrated connector module (ICM) designs for Ethernet applications. Some aspects provide an improved integrated connector module transformer (ICMt), including a wafer configured to hold a plurality of toroid elements, wherein the wafer is comprised of two or more mechanically coupled wafer portions. The ICMt can include one or more Electro Magnetic Interference (EMI) fingers that are configured to contact a ground pad of a printed circuit board (PCB) in order to provide a low-inductance connection between the ICMt and the ground pad of the PCB.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: December 31, 2019
    Assignee: CISCO TECHNOLOGY, INC.
    Inventors: William F. Edwards, George Edward Curtis, Ki Yuen Chau, Sandeep Arvindkumar Patel, Keith Frank Tharp, Robin Carol Johnson, Yu Liu, Billie Alton Hudson
  • Patent number: 10490334
    Abstract: The invention relates to a coil former (1) for an electrical coil assembly (2), wherein the coil former (1) has a winding-holding region (3) for at least one peripheral segment of a coil winding (4), which winding-holding region (3) is bounded by a winding-holding region inner surface (5) for contact with an innermost winding layer (6) of the coil winding (4) and at least one first end piece (7) protruding from the winding-holding region inner surface (5). According to the invention, an at least partially surrounded fluid-holding reservoir (9) is arranged on a side of the first end piece (7) facing away from the winding-holding region (3), the fluid-holding reservoir (9) is connected to the winding-holding region (3) by a fluid passage opening (10), and the fluid passage opening (10) is arranged adjacent to the winding-holding region inner surface (5).
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: November 26, 2019
    Assignee: EGSTON SYSTEM ELECTRONICS EGGENBURG GMBH
    Inventor: Ernst Prand-Stritzko
  • Patent number: 10490340
    Abstract: A reactor includes a core body including an outer peripheral iron core, at least three iron cores contacting to an internal surface of the outer peripheral iron core, and coils wound on the iron cores. A gap is formed between one and another of the iron cores adjacent each other, so as to be magnetically connectable therethrough. The reactor has a terminal base connected to cables through current carrying portions, as well as connected to the coils, and an electrical shock prevention cover for covering the terminal base. The electrical shock prevention cover has openings for passing the cables connected to the terminals therethrough. The terminal base has a plate that blocks at least a part of each opening to prevent a finger from touching the current carrying portion while the cables are connected to the terminals and which is detachable in accordance with the thickness of the cables.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: November 26, 2019
    Assignee: FANUC CORPORATION
    Inventors: Tomokazu Yoshida, Masatomo Shirouzu, Kenichi Tsukada
  • Patent number: 10490343
    Abstract: Three or more of n inductors are arranged inside an insulating member. Inside the insulating member, each of the inductors includes coil conductors that are contained in respective coil conductor layers that are stacked in a first direction and via conductors, each of which connects the coil conductors that are contained in the coil conductor layers adjoining in the first direction. Each of the coil conductor layers contains the n coil conductors of the inductors, and a pattern formed of the coil conductors contained in each of the coil conductor layers has n-fold rotational symmetry.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: November 26, 2019
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Kota Takayama, Yoshihiro Imanishi, Yu Ishiwata, Kiyomi Ikemoto
  • Patent number: 10486257
    Abstract: A method and apparatus for providing welding type power, including a power and control circuit is disclosed. The power circuit provides welding, control and aux power. The control and aux power are provided with a transformer, and secondary windings for control and aux power are wound on a single bobbin, with a winding separator separating them. Air vents, which can be formed by fins on the bobbin or separator allow cooling of the inner winding.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: November 26, 2019
    Assignee: Illinois Tool Works Inc.
    Inventors: Nicholas A. Matiash, Brian A. Schwartz, Kenneth C. Altekruse
  • Patent number: 10476393
    Abstract: A DC-DC power converter kit includes a body, a plurality of input connectors, and a plurality of output connectors. The body includes a plurality of inputs configured to couple to one another to form a power converter input, a plurality of outputs configured to couple to one another to form a power converter output, and a plurality of transformers. The power converter output is configured to provide a first output voltage when using a first set of the input connectors and a first output connector, and the power converter output is configured to provide a second output voltage different than the first output voltage when using a second set of the input connectors and a second output connector. Additional example power converter kits, power converters, and methods for adjusting an output voltage are also disclosed.
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: November 12, 2019
    Assignee: Astec International Limited
    Inventor: James Sigamani
  • Patent number: 10460867
    Abstract: An upright composite common mode coil assembly includes a coil carrier and a seat. The coil carries includes two bobbins with a plurality of coils wounded thereon. The seat includes a base, a bottom portion, a top portion and a separating portion. The base has a back plate on a surface thereof, hollow portions formed at an upper position and a lower position thereof, a wire slot and an indentation are provided at either side of the back plate. The bottom portion and the top portion extend vertically from two sides of the base. A recessed portion is formed at each of the corners of the bottom portion, and a pin is inserted into each of the recessed portions. The top portion has a flat top face. The separating portion extends from another surface of the base and tapered to form a curved surface, and form two receiving slots with the top portion and the bottom portion, respectively.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: October 29, 2019
    Assignee: Yujing Technology Co., Ltd.
    Inventor: Sen-Tai Yang
  • Patent number: 10454380
    Abstract: A semiconductor package includes a VLSI semiconductor die and one or more output circuits connected to supply power to the die mounted to a package substrate. The output circuit(s), which include a transformer and rectification circuitry, provide current multiplication at an essentially fixed conversion ratio, K, in the semiconductor package, receiving AC power at a relatively high voltage and delivering DC power at a relatively low voltage to the die. The output circuits may be connected in series or parallel as needed. A driver circuit may be provided outside the semiconductor package for receiving power from a source and driving the transformer in the output circuit(s), preferably with sinusoidal currents. The driver circuit may drive a plurality of output circuits. The semiconductor package may require far fewer interface connections for supplying power to the die.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: October 22, 2019
    Assignee: VLT, Inc.
    Inventor: Patrizio Vinciarelli
  • Patent number: 10453600
    Abstract: Disclosed herein is a differential mode filter including a core including a winding core part, a first wire wound around the winding core part in a first winding direction, and a second wire wound around the winding core part in a second winding direction opposite to the first winding direction. The winding core part includes first and second winding surfaces. A first crossing angle between the first and second wires that cross a plurality of times on the first winding surface is smaller than that a second crossing angle between the first and second wires that cross a plurality of times on the second winding surface.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: October 22, 2019
    Assignee: TDK CORPORATION
    Inventors: Tsutomu Kobayashi, Toshio Tomonari, Emi Ito, Yuma Koyama
  • Patent number: 10446313
    Abstract: An electronic component includes; a magnetic-body core having a plate-shaped portion and a core portion which extends from an upper surface of the plate-shaped portion; a winding wire which includes a wound portion wound by a rectangular wire into an Edgewise winding form and two non-wound portions extending from the wound portion to two distal ends, and the core portion is inserted through the wound portion; and a magnetic exterior body which covers at least the wound portion and the core portion. The two non-wound portions are respectively arranged along a bottom surface and at least one of the side surfaces of the plate-shaped portion. Parts of the two non-wound portions arranged along the bottom surface are electrodes.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: October 15, 2019
    Assignee: SUMIDA CORPORATION
    Inventors: Mitsugu Kawarai, Satoru Yamada, Kazuyuki Kikuchi, Tomohiro Kajiyama, Juichi Ooki, Motomi Takahashi, Tsutomu Otsuka
  • Patent number: 10438736
    Abstract: A magnetic component and a manufacturing method thereof are provided. The magnetic component includes a magnetic core, a first winding set and a second winding set. The magnetic core is made of a magnetic powder material and includes two connecting portions connected through three magnetic columns to form a first side and a second side opposite to each other. The first winding set and the second winding set are made by a flat conductive body, and spaced apart on the middle magnetic column at a distance. The first winding set includes two first conducting portions connected through a first horizontal portion. The second winding set includes two second conducting portions connected through a second horizontal portion. The first horizontal portion and the second horizontal portion are exposed to the first side, and the two first conducting portions and the two second conducting portions are extended to the second side.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: October 8, 2019
    Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.
    Inventors: Jinping Zhou, Zhangnan Xin, Pengkai Ji, Yi-Min Hsieh
  • Patent number: 10438737
    Abstract: An electronic component includes a magnetic core member, a winding and a magnetic exterior body. The magnetic core member has a flat base and a core. The flat base has a top surface, a bottom surface, a first side surface and a second side surface opposite to the first side surface. The core is located on the top surface of the flat base. A winding has an edgewise coil and two non-wound flat wires that extend from the edgewise coil. A magnetic exterior body covers at least the core and the edgewise coil. The two non-wound flat wires continuously extend along the top surface, the first side surface, the bottom surface and the second side surface of the flat base in this order. The two non-wound flat wires located on the bottom surface work as electrodes.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: October 8, 2019
    Assignee: SUMIDA CORPORATION
    Inventors: Shinichi Sakamoto, Zhigang Cheng, Fernando Chan Mock, Mitsugu Kawarai
  • Patent number: 10439019
    Abstract: A coil component includes a first core including a support portion, a core portion protruding from the support portion, and a sidewall portion protruding from the support portion and partially surrounding the core portion, the sidewall portion including first and second sidewalls connected to each other, and surfaces of the first core opposing the first and second sidewalls being open, a winding-type coil disposed on the first core, and a second core attached to the first core.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: October 8, 2019
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Young Sin Kim
  • Patent number: 10431387
    Abstract: An electronic component according one embodiment of the disclosure includes an insulator, an internal conductor, and an external electrode. The insulator is made of a material containing resin. The insulator includes a first insulating layer that has a first bonding surface perpendicular to one axial direction and a second insulating layer bonded to the first bonding surface. The internal conductor includes a plurality of first via conductive members provided in the first insulating layer and a plurality of second via conductive members provided in the second insulating layer. Each of the first via conductive members has a first contact connected to the corresponding second via conductive member at a position offset in the one axial direction with respect to the first bonding surface.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: October 1, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Takuya Moriya, Tsuyoshi Ogino, Koji Otsuka
  • Patent number: 10431373
    Abstract: The invention refers to a coupled inductor having a core and two windings, wherein the first winding has a first and a second terminal end and wherein the second winding has a third and a fourth terminal end, wherein the first to fourth terminal ends are arranged on a lower side of the core, wherein each winding has an intermediate section extending through a through-hole in the core, wherein the two windings are designed at least in the intermediate section as flat stripes each having first and second side faces with a large width and third and fourth side faces having a small width compared to the width of the first and second side faces, wherein the first side faces of both windings are arranged in the intermediate section perpendicular to the lower side of the core and wherein the two first side faces of the windings in the intermediate section face each other and/or abut each other in the intermediate section.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: October 1, 2019
    Assignee: W├╝rth Elektronik eiSos GmbH & Co. KG
    Inventors: Raghu Narayanan, Dheeraj Jain, Oliver Opitz
  • Patent number: 10418167
    Abstract: An inductor component has an element body defined by a length, a height, and a width, a coil disposed in the element body and helically wound in the width direction, and first and second external electrodes disposed in the element body and electrically connected to the coil. The coil includes a plurality of coil conductor layers arranged side by side in the width direction. The plurality of coil conductor layers is each wound in parallel with a plane including the length direction and the height direction. At least one of the coil conductor layers has a shortest distance of 140 ?m or less in at least one of the length and height directions between an inner circumferential surface of the coil conductor layer and an outer surface of the element body opposite to this inner circumferential surface.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: September 17, 2019
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Keiichi Yoshinaka, Masayuki Yoneda
  • Patent number: 10404133
    Abstract: A rotary electric motor includes an annular stator, a rotor rotatably held on an inner circumferential side of the stator, a plurality of stator cores forming the stator, insulators attached to the stator cores and formed of an insulating material, coils wound around the insulators, and a plurality of terminals to which coil terminal lines of the coils are connected. Each of the terminals includes at least two protrusions protruding from a substrate. The at least two protrusions are formed of a permanent press-fitting portion for press-fitting one of the terminals into the corresponding one of the insulators and a temporary press-fitting portion for temporarily press-fitting the one of the terminals when the corresponding one of the coil terminal lines is joined to the one of the terminals with solder.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: September 3, 2019
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yukie Yamakawa, Ryo Nabika
  • Patent number: 10396016
    Abstract: One example includes a device that is comprised of a die, a leadframe, and an electrically conductive material. The die includes a circuit therein. The leadframe is coupled with the die and the circuit therein. The electrically conductive material is disposed in a space above the die opposite the leadframe, the electrically conductive material being coupled to the leadframe and configured as one or more turns thereof to form at least one inductor.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: August 27, 2019
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Joyce Marie Mullenix, Roberto Giampiero Massolini, Kristen Nguyen Parrish, Osvalod Jorge Lopez, Jonathan Almeria Noquil
  • Patent number: 10395824
    Abstract: A method of manufacturing a winding-type coil component which can efficiently manufacture a winding-type coil component having external electrodes where a height of the external electrodes is gradually increased in an inclined manner from opposedly facing surfaces of one flange portion and the other flange portion to surfaces of the one flange portion and the other flange portion on a side opposite to the opposedly facing surfaces.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: August 27, 2019
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Shin Hasegawa
  • Patent number: 10381152
    Abstract: A coil component has an outer electrode include a bottom-surface electrode portion disposed along a bottom surface of a component body and an end-surface electrode portion disposed along an end surface of the component body so as to be continuous with the bottom-surface electrode portion. The adhesive strength of the bottom-surface electrode portion with respect to the component body is lower than that of the end-surface electrode portion with respect to the component body.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: August 13, 2019
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Ryota Hashimoto
  • Patent number: 10373755
    Abstract: A high-voltage transformer is disclosed. The high-voltage transformer includes a transformer core; at least one primary winding wound once or less than once around the transformer core; a secondary winding wound around the transformer core a plurality of times; an input electrically coupled with the primary windings; and an output electrically coupled with the secondary windings that provides a voltage greater than 1,1200 volts. In some embodiments, the high-voltage transformer has a stray inductance of less than 30 nH as measured on the primary side and the transformer has a stray capacitance of less than 100 pF as measured on the secondary side.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: August 6, 2019
    Assignee: EAGLE HARBOR TECHNOLOGIES, INC.
    Inventors: James R. Prager, Timothy M. Ziemba, Kenneth E. Miller, John G. Carscadden, Ilia Slobodov
  • Patent number: 10366825
    Abstract: A transformer includes a core having first and second yokes and at least one leg extending between the first and second yokes. The at least one leg includes a coil assembly mounted thereto between the first and second yokes. An annular end barrier is provided at one or both ends of the coil assembly to provide a barrier between the adjacent yoke and a high voltage winding of the coil assembly.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: July 30, 2019
    Assignee: ABB Schweiz AG
    Inventor: Zepu Wang
  • Patent number: 10367316
    Abstract: The invention relates to an electric device, especially to a connecting rod, said connecting rod comprises a conductive first column portion that has an interference fit with a busbar, said first column portion axially arranges a conductive second column portion which has an interference fit with said first column portion, said second column portion is located inside of said first column portion, a thermal expansion coefficient of said second column portion is greater than that of said first column portion. Said transformer has such advantageous effects, 1. the same overlapping length increases more conductive surface for reducing a current density to achieve low temperature rising of connecting part; 2. amount of material is reduced and save the social source; 3. the electric clearance or safety distance is increased, an electric safety of device is also increased; 4. a width of a connecting part is reduced, an occupation space of transformer is also reduced.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: July 30, 2019
    Inventor: Gong Zhu
  • Patent number: 10361025
    Abstract: A transformer 10 comprises a bobbin 20. A cylinder portion 28 of the bobbin 20 is provided with a first winding part 35 where a first wire 37 is wound and a second winding part 36 where a second wire 38 is wound at a position different from the first winding part 35 in an axial direction. At an outer circumference of the cylinder portion 28 located between the first winding part 35 and the second winding part 36, an insulating partition collar 30 is formed. On the first winding part 35, a winding partition collar 33, separating in respective sections S1, S2, is formed. On the winding partition collar 33, at least one communication groove 33a, communicating the sections S1, S2 adjacent to each other is formed. The first wire 37 is ?-wound around the first winding part 35.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: July 23, 2019
    Assignee: TDK CORPORATION
    Inventors: Masaaki Iwakura, Katsumi Kobayashi, Masaru Kumagai, Nobuo Kitajima, Satoshi Shinbo
  • Patent number: 10332669
    Abstract: An electromagnetic component includes a coil portion with a multi-layer stack structure, a molded body encapsulating the coil portion, and two electrodes respectively coupled to two terminals of the coil portion. The coil portion is fabricated using plating, laminating and/or pressing manufacturing techniques.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: June 25, 2019
    Assignee: CYNTEC CO., LTD.
    Inventors: Wei-Chien Chang, Chia-Chi Wu, Lang-Yi Chiang, Tsung-Chan Wu, Jih-Hsu Yeh
  • Patent number: 10325715
    Abstract: A low profile electromagnetic component assembly for a circuit board such as a power inductor includes a first shaped magnetic core piece comprising a bottom surface for seating upon the circuit board, a top surface opposing the bottom surface, and a groove defined on the top surface. A conductive coil winding includes first and second terminal sections and a center main winding section extending between the first and second terminal sections. The center main winding section comprises an elongated strip of conductor having a thickness oriented extend to perpendicular to a plane of the circuit board. The terminal sections define a different cross sectional area of conductor than in the center main winding section.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: June 18, 2019
    Assignee: EATON INTELLIGENT POWER LIMITED
    Inventors: Clarita Chiting Knoll, Zhuomin Liu, Ramdev Kanapady
  • Patent number: 10319508
    Abstract: An electronic component includes a plurality of groups arrayed in a stacking direction, each including a first inductor conductor layer, a second inductor conductor layer, a connection conductor layer and a first insulator layer. In each group, the first insulator layer is provided between a first superposed portion of the first inductor conductor layer and a second superposed portion of the second inductor conductor layer. The connection conductor layer is provided at the same position as the first insulator layer in the stacking direction, and electrically connects the first non-superposed portion and the second non-superposed portion included in the same group to each other. Among two adjacent groups in the stacking direction, a second superposed portion included in a group on another side in the stacking direction and a first superposed portion included in a group on one side in the stacking direction are physically connected to each other.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: June 11, 2019
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Yasushi Takeda
  • Patent number: 10319509
    Abstract: An embedded magnetic component device includes a magnetic core located in a cavity in an insulating substrate. An electrical winding includes inner and outer conductive connectors. An inner solid bonded joint boundary is located between first and second portions of the insulating substrate and extends between the cavity and the inner conductive connectors. An outer solid bonded joint boundary is located between the first and the second portions of the insulating substrate extends between the cavity and the outer conductive connectors. The minimum distance of the inner solid bonded joint boundary between any of the inner conductive connectors and the inner interior wall of the cavity is defined as D1, and the minimum distance of the outer solid bonded joint boundary between any of the outer conductive connectors and the outer interior wall of the cavity is defined as D2. D1 and D2 are about 0.4 mm or more.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: June 11, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Quinn Robert Kneller, Scott Andrew Parish, Justin Morgan
  • Patent number: 10319506
    Abstract: Disclosed herein is a coil component that includes an element body made of a first magnetic material, a coil conductor embedded in the element body, and first and second magnetic films made of a second magnetic material having higher permeability than that of the first magnetic material. The element body has an upper surface crossing a coil axis of the coil conductor and first and second side surfaces extending substantially parallel to the coil axis. The first magnetic film is formed on the upper surface and first side surface of the element body, and the second magnetic film is formed on the upper surface and second side surface of the element body.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: June 11, 2019
    Assignee: TDK CORPORATION
    Inventors: Toshio Tomonari, Sachiko Takano, Shigeki Sato
  • Patent number: 10312010
    Abstract: In an embodiment, a coil component 10 has a drum core 20 housed in a through hole 32 of a ring core 30, and two types of securing parts are provided in a gap G between an outer circumference of one flange part 24 of the drum core 20 and an inner circumference of the through hole 32. Terminal electrodes 50A, 50B connecting to ends 46A, 46B pulled out from a winding wire 40 wound around the drum core 20 are assembled to the ring core 30. Second securing parts 60A, 60B are arranged to opposite to each other with respect to a center C of the flange part 24, and first securing parts 62A, 62B are provided to cover an outer side of the second securing parts 60A, 60B. A hardness of the second securing part is higher than that of the first securing part.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: June 4, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Tetsuya Oga, Kazuhiko Otsuka, Yuji Shibuya
  • Patent number: 10304613
    Abstract: In an embodiments, a coil component 10 is constituted by a drum core 20, a ring core 30, and a resin base 70. A metal plate is embedded in the resin base 70, terminal electrodes 50A, 50B are exposed on a mounting surface side, and connecting parts 52A, 52B internally connected with the terminal electrodes 50A, 50B are pulled out from side surfaces 74A, 74B of the resin base 70. A coating 44 is laser-stripped from lead parts 46A, 46B at both ends of the winding wire 40 wound around a winding shaft 22 of the drum core 20. An end of the conductive wire 42, from which the coating 44 is stripped, is sandwiched by the connecting parts 52A, 52B and securing parts 54A, 54B, and joined together by laser irradiation, forming joining parts 56A, 56B which are separated from the coating end 45.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: May 28, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Takanori Yoshizawa, Kenji Watanabe
  • Patent number: 10297381
    Abstract: In an embodiment, a common mode choke coil 10 includes a drum core 12, coil part 30, and terminal electrodes 40, 42, 44, 46. The drum core 12 has a shaft part 14 and flange parts 16, 22, and conductive wires 32, 34 are wound around the outer periphery face of the shaft part 14 in the same winding direction by the same number of windings, with leader parts 32A, 32B, 34A, 34B led from both ends thereof. The flange parts 16, 22 have side face grooves 18, 20, 24, 26 on their side faces 16C, 16D, 22C, 22D, inside which side face grooves the engagement parts 40A, 42A, 44A, 46A are provided and positioned across the center of the flange part 16 or 22 in the height direction, where the leader parts 32A, 32B, 34A, 34B are electrically connected to the terminal electrodes 40, 42, 44, 46.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: May 21, 2019
    Assignee: TAYO YUDEN CO., LTD.
    Inventors: Katsuyuki Horie, Hidemi Iwao, Kenichiro Nogi
  • Patent number: 10262784
    Abstract: A transformer includes a ceramic housing, a primary winding disposed within the housing, a secondary winding disposed outside the winding, and a core extending through a first aperture in the housing. The housing includes a first portion and a second portion. Each of the first and second portions include a planar structure having a first housing aperture, and a plurality of sidewalls extending perpendicular to the planar structure along a plurality of edges of the planar structure. The first and second portions interface with one another when the ceramic housing is assembled such that the sidewalls of the first and second portions overlap with one another.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: April 16, 2019
    Assignee: General Electric Company
    Inventors: Philip Michael Cioffi, Qin Chen, Wei Zhang, Ravisekhar Nadimpalli Raju
  • Patent number: 10256025
    Abstract: A low cost, low profile, small size and high performance inductive device for use in electronic circuits. In one exemplary embodiment, the device includes a ferrite core comprising a step gap, a winding disposed on the core, and a magnetic powder and epoxy mixture packed in to create a cubic-shaped inductor optimized for electrical and magnetic performance. Additionally, the incorporation of the magnetic powder and epoxy mixture around the step gap eliminates fringing magnetic fields during device operation thereby minimizing adverse electromagnetic inference on adjacently disposed electronic components. The geometry and placement of the step gaps can be varied in order to optimize performance parameters associated with the underlying inductive device. Methods of manufacture and use for the inductive device are also disclosed.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: April 9, 2019
    Assignee: PULSE ELECTRONICS, INC.
    Inventors: Hongzhong Ma, Shuhui Chen
  • Patent number: RE47343
    Abstract: A core for a wire-wound electronic component. The core has a winding base to be wound with a wire, and flanges located at both ends of the winding base in an extending direction of the winding base. The flanges protrude from the winding base in a first direction perpendicular to the extending direction. Each of the flanges has a plurality of protrusions on a first surface at a side of the flange in the first direction. An inclined surface is provided to extend from the first surface of each of the flanges to a second surface of the winding base at a side of the winding base in the first direction.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: April 9, 2019
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Masahiro Bando, Takahiro Aoki