Patents Examined by Mang Tin Bik Lian
  • Patent number: 11361897
    Abstract: A multi-phase integrated power inductor component assembly includes a plurality of conductive windings on an integrated magnetic core structure accepting each of the plurality of conductive windings in a spaced apart, non-coupled arrangement with respect to one another. The integrated magnetic core structure includes a series of magnetic gaps each being respectively centered on one of the plurality of conductive windings. The windings include surface mount terminations for connection to a circuit board.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: June 14, 2022
    Assignee: EATON INTELLIGENT POWER LIMITED
    Inventors: Yipeng Yan, Jinliang Xu, Dengyan Zhou, Jin Lu
  • Patent number: 11355277
    Abstract: Disclosed herein is a coil component that includes a magnetic core having first and second through holes extending in a first direction and arranged in a second direction perpendicular to the first direction, and a conductive plate including first and second body parts inserted respectively through the first and second through holes. The magnetic core includes a middle leg part positioned between the first and second through holes, a first outer leg part positioned on an opposite side to the middle leg part across the first through hole, and a second outer leg part positioned on an opposite side to the middle leg part across the second through hole. Area of each of the first and second outer leg parts defined by the first and second directions is larger than that of the middle leg part.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: June 7, 2022
    Assignee: TDK CORPORATION
    Inventors: Syun Ashizawa, Toshio Tomonari, Masato Otsuka
  • Patent number: 11342105
    Abstract: A coil includes a tubular winding portion formed by winding a wire, wherein the winding portion includes two coil recessed portions that are provided such that recessed directions toward an inner space surrounded by an inner peripheral face of the winding portion are opposite to each other.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: May 24, 2022
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventor: Kazuhiro Inaba
  • Patent number: 11342106
    Abstract: Provided is a reactor that includes: a coil; a magnetic core with an inner core portion arranged inside the coil; and an inwardly interposed member insulating the inner core portion from the coil. The inwardly interposed member has a thin portion defined by a recessed inner-circumferential surface, and a thick portion that is thicker than the thin portion. The inner core portion has a core-side projection portion facing the inwardly interposed member that has a shape conforming to the inner-circumferential surface shape of the thin portion. The thin portion has a thickness of 0.2 mm to 1.0 mm inclusive, and the thick portion has a thickness of 1.1 mm to 2.5 mm inclusive. A clearance is provided at least at a portion between the inner core portion and the inwardly interposed member, and the inwardly interposed member and the wound portion are in contact with each other.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: May 24, 2022
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventors: Kazushi Kusawake, Shintaro Nanbara, Yusaku Maeda
  • Patent number: 11342109
    Abstract: In an exemplary embodiment, a coil component includes: a drum core 10 that includes a winding shaft 12 and flange parts 14a, 14b; a coil 40 that includes a winding part 42 and a pair of lead parts 44a, 44b led out from the winding part 42 toward a side face 22 of the flange part 14a and then bent onto the flange part 14a along the side face 22; and a pair of external electrodes 60a, 60b provided on the outer face 17a of the flange part 14a, and connected to the pair of lead parts 44a, 44b; wherein the shortest distance L4 between the side face 22 and the outermost periphery of the winding part 42 is shorter than the shortest distance L3 between a side face 24, opposite the side face 22, of the flange part 14a, and the outermost periphery of the winding part 42.
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: May 24, 2022
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Motoki Matsui, Hidenori Aoki
  • Patent number: 11335496
    Abstract: A coil component includes a body having a bottom surface and a top surface opposing each other in one direction, and a plurality of walls each connecting the bottom surface to the top surface of the body; recesses respectively formed in both front and rear surfaces of the body opposing each other among the plurality of walls of the body and extending up to the bottom surface of the body; a coil portion buried in the body and including first and second lead-out portions exposed to internal walls and lower ledge surfaces of the recesses; first and second external electrodes respectively including connection portions disposed in the recesses and extended portions disposed on the bottom surface of the body, and connected to the coil portion; a shielding layer including a cap portion disposed on the top surface of the body and side wall portions respectively disposed on the plurality of walls of the body; and an insulating layer disposed between the body and the shielding layer and extending onto lower ledge surfa
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: May 17, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Byung Soo Kang, Tai Yon Cho, Yoon Mi Cha, Ju Hwan Yang, Jeong Suong Yang, No Il Park, Byeong Cheol Moon, Tae Jun Choi, Seung Mo Lim
  • Patent number: 11335494
    Abstract: A planar transformer is disclosed. The planar transformer includes a first core, a second core, a third core, and a fourth core, which are sequentially disposed; a primary coil unit having multiple primary substrates through which the first to fourth cores penetrate and on which primary coil patterns are formed such that magnetic flux is generated in a first direction in the first and fourth cores and in a second direction in the second and third cores; and a secondary coil unit having multiple secondary substrates through which the first to fourth cores penetrate and on which secondary coil patterns are formed, the secondary coil patterns formed on a periphery of the first to fourth cores such that current induced by the magnetic flux flowing in the first to fourth cores flows therein, wherein the multiple primary and secondary substrates form a multi-layer structure.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: May 17, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: In Yong Yeo, Tae Jong Ha, Dae Woo Lee, Youn Sik Lee
  • Patent number: 11328860
    Abstract: Disclosed herein is a coil component that includes: a first core having a mounting surface and a coil placing surface positioned opposite to the mounting surface; a lower coil placed on the coil placing surface such that a coil axis of the lower coil extends substantially perpendicular to the coil placing surface; an upper coil substantially coaxially stacked on the lower coil; and a second core disposed through inner diameter areas of the lower and upper coils. The number of turns of one of the lower and upper coils is larger by less than one turn than other one of the lower and upper coils. The diameter of the second core is larger at a first section surrounded by the other one of the lower and upper coils than at a second section surrounded by the one of the lower and upper coils.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: May 10, 2022
    Assignee: TDK CORPORATION
    Inventors: Shuhei Someya, Tasuku Mikogami, Yuichi Anzai, Hideomi Takahashi
  • Patent number: 11328864
    Abstract: A compound line filter includes a bobbin, two coils and a magnetic core. The coils are wound on the bobbin in a state of being separated from each other in an axial direction. The magnetic core includes a closed magnetic path part and a secondary magnetic path part. The bobbin is attached to the closed magnetic path part. The secondary magnetic path part extends from the closed magnetic path part in a direction intersecting with the axial direction and is positioned between the coils in the axial direction. The bobbin includes at least one gear, and the gear is positioned between the coils in the axial direction.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: May 10, 2022
    Assignees: TOKIN CORPORATION, TOKIN ELECTRONICS (XIAMEN) CORPORATION
    Inventors: Jie Huang, Michitaka Itaya, Kazuya Sugawara, Shota Misumi, Yuichirou Nagayama, Yukiyasu Yamauchi
  • Patent number: 11328855
    Abstract: Disclosed herein is a coil component that includes a conductor plate; and a magnetic core comprising a magnetic material having conductivity, the magnetic core having a through hole into which the conductor plate is inserted. The conductor plate includes: a metal element body having a body part positioned inside the through hole and a terminal part positioned outside the through hole; a metal film formed on the terminal part, the metal film comprising a metal material having a lower melting point than the metal element body; and an insulating film formed on a surface of the body part without the metal film interposed.
    Type: Grant
    Filed: January 21, 2019
    Date of Patent: May 10, 2022
    Assignee: TDK CORPORATION
    Inventors: Syun Ashizawa, Satoshi Sugimoto, Takahiro Banzai, Hitoshi Sasaki
  • Patent number: 11322291
    Abstract: A coil component includes a magnetic body and a coil portion embedded in the magnetic body. The coil portion includes an internal insulating layer, coil patterns disposed on opposite surfaces of the internal insulating layer, an insulating wall disposed between turns of a coil pattern, an external insulating layer disposed on the insulating wall and the coil pattern, and a connection portion including a first conductive layer and a second conductive layer having a melting point lower than a melting point of the first conductive layer, and penetrating through the internal insulating layer to connect the coil patterns disposed on the opposite surfaces of the internal insulating layer to each other.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: May 3, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seong Min Cho, Chang Hyun Shin, Sang Seob Kim
  • Patent number: 11322294
    Abstract: Disclosed herein is a coil component that includes: a first core having a mounting surface and a coil placing surface positioned opposite to the mounting surface; a lower coil placed on the coil placing surface such that a coil axis of the lower coil extends substantially perpendicular to the coil placing surface, the lower coil having one end drawn to a first area of the mounting surface and other end drawn to a second area of the mounting surface; and an upper coil substantially coaxially stacked on the lower coil, the upper coil having one end drawn to a third area of the mounting surface and other end drawn to a fourth area of the mounting surface. The lower coil is greater in a coil diameter than the upper coil.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: May 3, 2022
    Assignee: TDK CORPORATION
    Inventors: Shuhei Someya, Tasuku Mikogami, Yuichi Anzai, Hideomi Takahashi
  • Patent number: 11322296
    Abstract: Disclosed herein is a pulse transformer that includes first to fourth terminal electrodes provided on the first flange part, fifth to eighth terminal electrodes provided on the second flange part, first and second wires wound around the winding core part having one end connected to the first and second terminal electrodes and other end connected to the seventh and eighth terminal electrodes, and third and fourth wire wound around the winding core part having one end connected to third and fourth terminal electrodes and other end connected to the fifth and sixth terminal electrodes. A winding direction of the first and third wires is opposite to a winding direction of the second and fourth wires.
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: May 3, 2022
    Assignee: TDK CORPORATION
    Inventors: Tasuku Mikogami, Shuhei Someya, Syun Ashizawa, Setu Tsuchida
  • Patent number: 11322284
    Abstract: A high-frequency transformer includes a primary coil and a secondary coil coupled to each other by magnetic field coupling and sharing a coil winding axis, a first terminal connected to a first end of the primary coil, a second terminal connected to a first end of the secondary coil, and a common terminal connected to a second end of the primary coil and a second end of the secondary coil. The primary and secondary coils are helical coils including loop conductor patterns, and the number of turns of a first loop conductor pattern closest to the second end of the primary coil is larger than an average number of turns of other loop conductor patterns included in the primary coil.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: May 3, 2022
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Noriyuki Ueki
  • Patent number: 11315723
    Abstract: Power module includes transformer unit including primary and secondary windings and magnetic core; first and second capacitor units coupled to first terminal of primary winding of transformer unit through first node; first and second external pins respectively coupled to first terminal of first capacitor unit and second terminal of second capacitor unit; first and second switch units coupled to second terminal of primary winding of transformer unit thorough second node; third and fourth external pins respectively coupled to first terminal of first switch unit and second terminal of second switch unit; secondary-side circuit coupled to secondary winding; and fifth and sixth external pins electrically coupled to first and second output terminals of secondary-side circuit, respectively. First external pin is coupled to one of third and fourth external pins selectively.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: April 26, 2022
    Assignee: Delta Electronics (Thailand) Public Company Limited
    Inventors: Feng Jin, Lei Cai, Kai Dong, Zhong-Wei Ke, Jin-Fa Zhang
  • Patent number: 11315727
    Abstract: An explosion-proof inductive voltage transformer (IVT) of the type comprising: i) a high voltage section that receives a high voltage current, limits and insulates the high voltage current to be transformed and reduces its electrical stress; and, ii) a voltage transforming section connected to the high voltage section and contained in an insulation body in order to protect the elements of the voltage transforming section and reduce the impact of explosions in case of electrical failure, wherein the voltage transforming section comprises means for reducing the voltage of the high voltage current to a low voltage and electric transmission means that transmit a resulting low voltage current to a low voltage distribution line; wherein the voltage transforming section of the IVT further comprises shock mitigation means comprising at least one hollow section located opposite the high voltage section that, during an electrical failure causing an explosion, direct the gases and shockwave of the explosion towards the
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: April 26, 2022
    Assignee: ARTECHE NORTH AMERICA S.A. DE C.V.
    Inventors: Marco Antonio Venegas Vega, Juan Pablo Estrada Carbajal
  • Patent number: 11315722
    Abstract: A transformer three-dimensional wound core low-voltage lead structure is provided comprising a three-dimensional wound core formed of three rectangular single frames, and three phase windings. The wound core comprises three core posts and an yoke, the yoke being a triangular structure. The three phase windings are arranged on the three core posts, each phase winding comprising an internal low-voltage and high-voltage winding. The head end and the tail end of each phase low-voltage winding are respectively connected to a lead-out line, and the lead-out lines are located in a triangular structure region of the yoke, and a low-voltage bushing step-up module is provided above the wound core, three low-voltage bushings are provided on the low-voltage bushing step-up module, and the three low-voltage bushings are connected to the lead-out line of the corresponding low-voltage winding.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: April 26, 2022
    Assignee: HAIHONG ELECTRIC CO., LTD.
    Inventors: Kaixuan Xu, Lizhen Zhai, Qingning Liang, Jingtao Luo, Libo Zhou
  • Patent number: 11309117
    Abstract: An inductive element includes a magnetic core, a flat coil wound on a middle column of the magnetic core, and a magnetic plastic package layer covering the magnetic core and the flat coil. Two electrodes connected to two pigtails of the flat coil are exposed outside of the magnetic plastic package layer. The flat coil is configured to enable a width direction of a flat wire of the flat coil to be perpendicular to an axial direction of the middle column of the magnetic core, and the flat wire is stacked layer by layer in the axial direction of the middle column. A manufacturing method for the inductive element is also disclosed herein. By using the wounding method of the flat coil of the inductive element, a height of a product may be reduced while obtaining a same DCR, so that the product is thinner.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: April 19, 2022
    Assignee: Shenzhen Sunlord Electronics Co., Ltd.
    Inventors: Shengcheng Xia, Youyun Li, Xinshu Yu, Gengxin Xiao
  • Patent number: 11295891
    Abstract: In one aspect, an electric coil structure is disclosed. The electric coil structure includes a magnetic core and a substrate. The substrate comprises a conductive material that is embedded in an insulating material. The substrate has a first portion and a second portion and the first portion of the substrate is wrapped around the core. The substrate can have a first portion having a plurality of contacts and a second portion having a corresponding plurality of edge contacts. The coil structure includes an alignment structure. The alignment structure can facilitate attachment of the first portion to the second portion to define a coil about the magnetic core. The alignment structure can comprise a redistribution substrate. The redistribution substrate can be disposed between the first portion and the second portion with the conductive material of the first portion electrically connected to the conductive material of the second portion through the redistribution substrate to define at least one winding.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: April 5, 2022
    Assignee: Analog Devices, Inc.
    Inventors: Vikram Venkatadri, David Frank Bolognia, Kelvin Po Leung Pun, Chee Wah Cheung
  • Patent number: 11289981
    Abstract: The present invention discloses a frame device of iron core of static electrical machine having outwardly-extended heat dissipation fin and/or heat dissipation hole, in which a frame device is formed with an outwardly-extended heat dissipation fin structure and/or formed with heat dissipation holes at locations defined on adjacent surfaces between the frame device and an iron core with magnetic loops, so that the heat dissipation hole can be served to enlarge the heat dissipation area, directly exposed to an ambient gaseous or liquid environment, of the iron core with the magnetic loops of a static electrical machine, and the outwardly-extended heat dissipation fin structure can be served to enlarge the heat dissipation area to the exterior, thereby allowing the heat dissipation performance of the iron core with the magnetic loops, clamped and fastened by the frame device, to the gaseous or liquid environment to be further enhanced.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: March 29, 2022
    Inventor: Tai-Her Yang