Patents Examined by Tszfung J Chan
  • Common mode filter
    Patent number: 10910144
    Abstract: Disclosed herein is a common mode filter that comprises a drum core including a winding core portion and a pair of flange portions provided at both ends of the winding core portion, and first and second wires wound around the winding core portion so as to form a pair-wire for each turn. The first and second wires includes one or a plurality of sparsely-wound portions in which the first and second wires are wound with adjacent pair-wires spaced from each other, and one or a plurality of closely-wound portions in which the first and second wires are wound with adjacent pair-wires in close contact with each other.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: February 2, 2021
    Assignee: TDK CORPORATION
    Inventors: Toshio Tomonari, Tsutomu Kobayashi, Kazunori Arimitsu
  • Transformer having noise reducing means
    Patent number: 10910148
    Abstract: Provided is a transformer having a noise reducing means. The transformer includes: an iron core (P), which is formed by stacking a plurality of steel sheets, and has stepped parts (S) formed at a portion thereof with different widths; and the noise reducing means provided at the stepped parts (S) so as to increase coupling force among the plurality of steel sheets. The noise reducing means includes: pressing bars (30) mounted on the stepped parts (S) of the iron core (P), and having plane-shaped horizontal pressing surfaces (31) in the direction in which the steel sheets are stacked; and a binding (90) for surrounding the outer surface of the iron core (P) including the pressing bars (30), so as to press the pressing bars (30) in the stacking direction of the steel sheets.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: February 2, 2021
    Assignee: HYOSUNG HEAVY INDUSTRIES CORPORATION
    Inventors: Do Jin Kim, Chui Jun Park, Kyo Ho Lee
  • Compact common mode choke with differential noise suppression and high self resonant frequency
    Patent number: 10910139
    Abstract: A common mode choke assembly includes a main core, a shunt core, and first and second two-piece bobbins. The main core has a generally rectangular main core body, and first and second core riser portions. The first and second core riser portions are connected to opposite ends of the main core body. The first core riser portion includes a first riser notch and the second core riser portion includes a second riser notch aligned with the first riser notch. The shunt core spans between and is positioned within the first and second riser notches. The first and second two-piece bobbins are positioned on opposite sides of the main core body adjacent to the first and second core riser portions. Each two-piece bobbin includes at least first and second end flanges, a passageway, and a mating surface. The assembly further includes a mounting header for receiving the main and shunt core.
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: February 2, 2021
    Assignee: Universal Lighting Technologies, Inc.
    Inventors: Donald Folker, Mike LeBlanc
  • Inductor assembly comprising at least one inductor coil thermally coupled to a metallic inductor housing
    Patent number: 10902993
    Abstract: An inductor assembly includes at least one inductor coil, a metallic inductor housing at least partially enclosing the inductor coil, and a potting material both contacting the inductor coil and the metallic inductor housing and thermally coupling the inductor coil to the metallic inductor housing. The inductor coil includes a bobbin made of electrically insulating material, and an inductor winding made of an electric conductor wound on the bobbin. The inductor winding further has an outer circumference and two end faces, and an electric insulation covers the outer circumference of the inductor winding.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: January 26, 2021
    Assignee: SMA Solar Technology AG
    Inventors: Marek Rylko, Mariusz Walczak, Milosz Handzel, Mariusz Gwadera, Jakub Hachlowski
  • Electronic component
    Patent number: 10892084
    Abstract: An electronic component includes: a body including a coil part disposed therein and containing magnetic metal particles; and a surface protection layer disposed on a surface of the body. The magnetic metal particles comprise two or more kinds of particles having different particle sizes from each other, a portion of the magnetic metal particles are exposed to the surface of the body, and uneven regions are formed on the regions of the surfaces of the magnetic metal particles exposed to the surface of the body, and the surface protection layer is in contact with the uneven regions.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: January 12, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Jae Wook Lee
  • Integrated circuit with laminated magnetic core inductor including a ferromagnetic alloy
    Patent number: 10893609
    Abstract: A structure includes a semiconductor integrated circuit comprising a multilevel wiring network and an inductor integrated into the multilevel wiring network. The inductor includes a planar laminated magnetic core and a conductive winding that turns around in a generally spiral manner on the outside of the planar laminated magnetic core. The planar laminated magnetic core includes an alternating sequence of a magnetic layer and a non-magnetic layer. The magnetic layer comprises a ferromagnetic alloy having an iron composition of about 10 atomic percent to about 90 atomic percent.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: January 12, 2021
    Assignee: Ferric Inc.
    Inventors: Noah Sturcken, Ryan Davies, Michael Lekas
  • Wound core and manufacturing method thereof
    Patent number: 10886055
    Abstract: A wound core is formed by laminating a plurality of bent bodies formed from a grain-oriented electrical steel sheet having a coating containing phosphorus formed on a surface, in a sheet thickness direction of the grain-oriented electrical steel sheet, in which the bent body is formed in a rectangular shape by having four flat portions and four corner portions adjacent to the flat portions, the corner portion has a bent region having a total bending angle of approximately 90° in a side view, the number of deformation twins present in the bent region in the side view is five or less per 1 mm of a length of a center line in the bent region in the sheet thickness direction, and the amount of phosphorus eluted from the corner portion in a case of being boiled in water for 30 minutes is 6.0 mg or less per 1 m2 of a surface area of the corner portion.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: January 5, 2021
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Takahito Mizumura, Masato Mizokami, Masao Yabumoto, Toshihiko Uemura, Eisuke Minematsu, Fumiaki Takahashi
  • Coil component
    Patent number: 10886059
    Abstract: A coil component 1a includes an insulation layer 2 in which a magnetic body core 3 is embedded; a coil electrode 4 wound around the magnetic body core 3; and an input metal pin 5a and an output metal pin 5b for external connection whose lower end surfaces are respectively provided being exposed from the insulation layer 2 in a state of the input and output metal pins 5a and 5b being provided upright in a thickness direction of the insulation layer 2. The coil electrode 4 includes a plurality of coil metal pins 4a and 4b that are arranged around the magnetic body core 3 in a state of being provided upright in the thickness direction of the insulation layer 2, and the input metal pin 5a and the output metal pin 5b are formed to be larger in diameter than the coil metal pins 4a and 4b.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: January 5, 2021
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Yoshihito Otsubo, Junji Kurobe, Norio Sakai
  • Coil component
    Patent number: 10867743
    Abstract: In an embodiment, a coil component includes: an element body part 10; a coil conductor 36 constituted by first conductors 32 extending along the pair of end faces 16 and orthogonally to a bottom face 14, as well as second conductors 34 extending from one side, to the other side, of the pair of end faces and thereby connecting the multiple first conductors 32; lead conductor parts 38 electrically connected to two ends of the coil conductor, respectively; and a pair of external electrodes 50 electrically connected to the lead conductor parts; wherein at least one end of the coil conductor is electrically connected, via the lead conductor, to the external electrode at a top face 12 of the element body part; and the coil conductor extends from the at least the one end, using a second conductor, along and near the top face.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: December 15, 2020
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Takayuki Sekiguchi, Ichiro Yokoyama, Masuo Yatabe, Noriyuki Mabuchi, Tomoyuki Oyoshi
  • Coil component
    Patent number: 10861638
    Abstract: A coil component comprises a wire and a terminal electrode. The wire includes a linear central conductor and an insulating coating layer that covers a circumferential surface of the central conductor. The terminal electrode is electrically connected to the central conductor at an end portion of the wire, and includes a metallic plate. The terminal electrode also includes an edge portion in contact with the wire. The edge portion is chamfered.
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: December 8, 2020
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Akio Igarashi
  • Inductor made of component carrier material comprising electrically conductive plate structures
    Patent number: 10861636
    Abstract: An inductor component includes a plurality of stacked layer structures made of component carrier material with electrically conductive plate structures, and a plurality of electrically conductive interconnect structures connecting the electrically conductive plate structures to thereby form an inductance with multiple windings.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: December 8, 2020
    Assignee: AT&S Austria Technologie & Systemtechnik Aktiengesellschaft
    Inventors: Johannes Stahr, Gerald Weidinger, Heinz Moitzi
  • Transformer station, method and apparatus for a transformer station
    Patent number: 10854369
    Abstract: A transformer station, in particular, an offshore transformer station including at least one transformer and at least one transformer cooling unit arranged on at least one side wall of the transformer station or a roof of the transformer station and configured to cool the at least one transformer. The transformer station also includes at least one air deflecting unit arranged on at least one roof edge of the transformer station and/or at least one air deflecting unit arranged on at least one side edge of the transformer station. The air deflecting unit is arranged such that an air movement is deflectable in the direction of the transformer cooling unit.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: December 1, 2020
    Assignee: innogy SE
    Inventor: Jörn Runge
  • Coil component
    Patent number: 10847303
    Abstract: A coil component includes a body in which a coil portion is embedded. The coil portion includes a support member; first insulators formed on first and second main surfaces of the support member, respectively, and having an opening having a planar coil shape; coils filling the openings; and second insulators covering the coils.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: November 24, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Hun Kim, Hwa Sung Hwang, Young Ku Lyu, Boum Seock Kim
  • Surface mounted inductor and manufacturing method therefor
    Patent number: 10847309
    Abstract: A formed body incorporating a coil by using: a coil formed by winding a conductive wire, and a formed body incorporating the coil, the formed body being formed with a sealing material containing a resin and a magnetic material. The coil is formed by winding the conductive wire so that lead-out ends are positioned at an outer periphery of a wound portion. The formed body is formed so that surfaces of the coil are partially exposed on four side surfaces of the formed body which are parallel to a winding axis of the coil, and the area of a portion of the formed body outside the outer periphery of the wound portion is almost equal to or smaller than the area of a portion of the formed body inside an inner periphery of the wound portion of the coil.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: November 24, 2020
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Yoshitoshi Shoda, Kozo Sato, Makoto Murakami, Kunio Sasamori, Naoto Takahashi
  • Coil device
    Patent number: 10847298
    Abstract: A coil device includes a conductor and a terminal electrode. The conductor is embedded in a core body and wound in a coil shape. The terminal electrode is formed on an end surface of the core body and connected with a lead end of the conductor. The coil device further includes a dummy conductor embedded in the core body separately from the conductor. An end part of the dummy conductor exposed from the end surface of the core body separately from the lead end is connected with the terminal electrode.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: November 24, 2020
    Assignee: TDK CORPORATION
    Inventors: Takashi Kudo, Makoto Morita, Fuyuki Miura, Naoki Satou, Kyohei Tonoyama, Yasunori Chiba, Masanori Sugai, Junichi Aoyado
  • Low DC resistance and high RF resistance power amplifier choke inductor
    Patent number: 10832848
    Abstract: A multi-layer spiral inductive array includes a first multi-layer spiral inductor with a second layer matching a spiral pattern of a first layer. The multi-layer spiral inductive array also includes a second multi-layer spiral inductor with a third layer matching a spiral pattern of a fourth layer. The second multi-layer spiral inductor is coupled in series with the first multi-layer spiral inductor.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: November 10, 2020
    Assignee: Qualcomm Incorporated
    Inventors: Daeik Daniel Kim, Bonhoon Koo, Babak Nejati
  • System and method for increasing coupling of an axle rotary transformer
    Patent number: 10825607
    Abstract: Described herein is a system and method to enable a wireless power transmission link system. The wireless power transmission link system may comprise a rotatable axle and an optional telemetry unit interior to the axle. The wireless power transmission link system may comprise a first cup located interior to the telemetry unit and/or the axle. The first cup may comprise a first channel for housing a first wrapped coil. The wireless power transmission link system may comprise a second cup located interior to the telemetry unit and/or axle separated by an air gap from the first cup. The second cup may comprise a second channel for housing a second wrapped coil. The first wrapped coil and the second wrapped coil may be inductively coupled. The first cup and/or the second cup may comprise ferromagnetic material properties.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: November 3, 2020
    Assignee: Goodrich Corporation
    Inventors: Eric Stein, Perry Leaves
  • Reactor having covering portions having fitting parts fitted to each other
    Patent number: 10818423
    Abstract: A reactor according to an embodiment of the present disclosure includes a core body. The core body includes a peripheral iron core composed of a plurality of peripheral iron core portions, at least three iron cores coupled to the peripheral iron core portions, and coils wound on the iron cores. Gaps are formed between one of the iron cores and another iron core adjacent thereto, so as to be magnetically connectable through the gaps. The reactor further includes a plurality of covering portions each for covering each of the coils. The covering portions adjacent in a circumferential direction can be fitted to each other.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: October 27, 2020
    Assignee: Fanuc Corporation
    Inventors: Tomokazu Yoshida, Masatomo Shirouzu, Kenichi Tsukada
  • Coil component
    Patent number: 10811179
    Abstract: A coil component includes a coil having inner and outer circumferential surfaces, a pair of end surfaces, and a core surrounding at least a part of a periphery of the core. A cross section is where the coil component is cut by a plane, when each of coil sections is divided into eight regions by four straight lines extending along the inner circumferential surface, the outer circumferential surface and the end surfaces. In the cross section, first core members positioned at four corner regions, second core members positioned at an inner side of the inner circumferential surface and an outer side of the outer circumferential surface, and third core members, positioned at outer sides of the end surfaces form the core. At least one of the second and third core members has a magnetic permeability lower than that of the first core member in a zero magnetic field.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: October 20, 2020
    Assignee: TOKIN CORPORATION
    Inventors: Yuki Abe, Takashi Yanbe, Takuya Endou, Hidehiko Oikawa, Masahiro Kondo, Keisuke Akaki
  • Coil electronic component
    Patent number: 10796829
    Abstract: A coil electronic component includes a body including a plurality of insulating layers and coil patterns disposed on the insulating layers, and external electrodes formed on an external surface of the body and connected to the coil patterns. The plurality of insulating layers include a Ni—Cu—Zn based ferrite, and the Ni—Cu—Zn based ferrite has a content of Ni within a range from 5 to 15%, a content of Cu within a range from 5 to 10%, and a content of Zn within a range from 28 to 35% based on a mole ratio.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: October 6, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Jung Ho Cho