Coil Or Coil Turn Supports Or Spacers Patents (Class 336/199)
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Publication number: 20130057557Abstract: This disclosure provides implementations of high surface area stacked layered metallic structures, devices, apparatus, systems, and related methods. A plurality of stacked layers on a substrate may be manufactured from a plating bath including a first metal and a second metal. A modulated plating current can deposit alternate first metal layers and alloy layers, the alloy layers including the first metal and the second metal. Gaps between the alloy layers can be formed by selectively etching some portions of the first metal layers to define a stacked layered structure. Stacked layered structures may be useful in applications to form capacitors, inductors, catalytic reactors, heat transfer tubes, non-linear springs, filters, batteries, and heavy metal purifiers.Type: ApplicationFiled: September 7, 2011Publication date: March 7, 2013Applicant: QUALCOMM MEMS TECHNOLOGIES, INC.Inventors: Ravindra Vaman Shenoy, Philip Jason Stephanou, Ana Rangelova Londergan, Evgeni Petrovich Gousev
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Patent number: 8378770Abstract: An inductor assembly includes a base and an inductor component. When the inductor component is disposed on the base, the distance between the inductor component and a nearby electronic component is increased by a connecting element or a carrying element of the base, and the inductor component is prevented from contacting the nearby electronic component by a spacing element of the base.Type: GrantFiled: December 6, 2011Date of Patent: February 19, 2013Assignee: Delta Electronics, Inc.Inventors: Pi-Fan Chen, Su-Chiung Hsu, Zhi-Liang Zhang, Ming-Cheng Lee
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Patent number: 8368499Abstract: A disc winding of a power transformer or a choke is provided. The disc winding includes a plurality of parallel single strand conductors. The working time for bending the strand conductors of cross-overs is reduced by sharing the winding axially in plurality of sections, and the cross-overs within a section are identical twin cross-overs. The strand conductors are bent in two groups, and a standardized twin transposition cross-over is provided between the sections such that the strand conductors are being bent in two groups. The outermost strand conductor is in the first group, and the remaining strand conductors are in the other group.Type: GrantFiled: September 2, 2010Date of Patent: February 5, 2013Assignee: ABB Technology AGInventor: Timo Tuomisto
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Publication number: 20130015719Abstract: A core assembly used for a wireless power transmitting device and a wireless power transmitting device having the same. The core assembly for the wireless power transmitting device includes: a main coil disposed at a first level; an auxiliary coil disposed at a lower side of the main coil such that the auxiliary coil is located at a second level lower than the first level, and including a first sub coil and a second sub coil, which respectively have a portion overlapped with the main coil and respectively have a size smaller than the main coil; and a core of a magnetic substance configured to accommodate the main coil and the auxiliary coil.Type: ApplicationFiled: July 16, 2012Publication date: January 17, 2013Inventors: Chun-Kil Jung, Yoon-Sang Kuk
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Patent number: 8314675Abstract: A method is disclosed for production of a winding block for a coil of a transformer, having at least one winding composed of electrically conductive wire or strip material with a plurality of turns. An insulating layer is composed of electrically insulating fiber material with a specific number of windings of the insulating fiber material. The turns composed of electrical conductive material are fitted independently of the turns of the insulating material and, after a predetermined number of turns of electrically conductive material have been fitted, a smaller number of turns of electrically insulating material are fitted over the same section onto these turns of electrically conductive material, such that electrically insulating material which remains before reaching a number of turns of electrically conductive material is used as edge insulation.Type: GrantFiled: August 5, 2010Date of Patent: November 20, 2012Assignee: ABB Technology AGInventors: Karl-Heinz Zillmann, Rudolf Schutzeichel, Christian Gruettner, Benjamin Weber
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Publication number: 20120286916Abstract: A bobbin for use in a magnetic module is provided. The bobbin comprises a winding body, a first plate and a second plate. The winding body is disposed between the first plate and the second plate, and further comprises a first end, a second end and a through hole. The first end comprises a first buckling portion, and the through hole penetrates the first end and the second end. The first plate includes a second buckling portion and a first opening, while the second buckling portion is adapted to engage with the first buckling portion. The second plate includes a second opening, and the second plate is engaged with the second end of the winding body.Type: ApplicationFiled: April 20, 2012Publication date: November 15, 2012Applicant: DELTA ELECTRONICS, INC.Inventors: Chia-Ming LIU, Zhi-Liang ZHANG, Yi Lin CHEN, Po Yu WEI, Chih-Ming CHEN
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Patent number: 8279034Abstract: A slim-type high voltage transformer includes a case, and a transformer portion configured by mounting at least primary and secondary winding coils wound in the shape of a rectangular or elliptic track to protruding grooves formed in the interior of the case and then mounting a first copperplate core on the primary and secondary winding coils. In the transformer, the transformer portion further includes an insulating member interposed between the primary and secondary winding coils and the first copperplate core. Accordingly, a bobbin for winding a coil is not used, so that the height of the transformer can be minimized, thereby decreasing the size of products. Also, a winding is divided into two sections to be molded, so that the insulation and heat generation of the winding can be effectively controlled, thereby improving the stability of the transformer.Type: GrantFiled: October 26, 2010Date of Patent: October 2, 2012Assignee: KolonetInventors: Jongseok Kim, Haksoo Lee, Giju Han, Miae Yun
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Patent number: 8242870Abstract: A magnetic component having a magnetic core structure includes a core body with a notched region for reducing non-essential core material. The notched region has the cross-sectional shape of a trapezoid and includes two notch walls separated by a middle wall. The notch walls are each oriented at an obtuse angle relative to the middle notch wall. The core structure reduces the cost of manufacture and the size of the magnetic component by eliminating non-essential core material from regions of the core that have little or no impact on the magnetic performance of the component. The desired magnetic flux path in the component remains substantially unaffected by the removal of the non-essential core material. The body of the core may also include one or more angled shoulders positioned at the corners of the core body to further eliminate non-essential core material.Type: GrantFiled: October 20, 2009Date of Patent: August 14, 2012Assignee: Universal Lighting Technologies, Inc.Inventor: Donald Folker
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Publication number: 20120188046Abstract: A coil component is of the type where a helical coil is directly contacting a magnetic body where such coil component still meets the demand for electrical current amplification. The coil component is structured in such a way that a helical coil is covered with a magnetic body. The magnetic body is mainly constituted by magnetic alloy grains and does not contain glass component, and each of the magnetic alloy grains has an oxide film of the grain on its surface.Type: ApplicationFiled: December 7, 2011Publication date: July 26, 2012Applicant: TAIYO YUDEN CO., LTD.Inventors: Hitoshi MATSUURA, Tomomi KOBAYASHI, Yoshikazu OKINO, Hidemi IWAO, Kenichiro NOGI, Kenji OTAKE
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Patent number: 8217745Abstract: An inductor includes a base and a winding assembly. The base includes an outer frame, a middle part and a connecting part. The outer frame has a first upper surface. The middle part has a second upper surface. The connecting part is connected with the outer frame and the middle part and has a third upper surface. The connecting part, the outer frame and the middle part collectively define a receptacle. The winding assembly is accommodated within the receptacle. The second upper surface of the middle part is disposed at a higher level with respect to the first upper surface of the outer frame. A first height is defined by the level difference between the second upper surface and the third upper surface. A second height of the winding assembly is smaller than the first height, so that a fourth upper surface of the winding assembly is disposed at a lower level with respect to the second upper surface after the winding assembly is accommodated within the receptacle.Type: GrantFiled: July 28, 2010Date of Patent: July 10, 2012Assignee: Delta Electronics, Inc.Inventors: Ching-Hsiang Tien, Yu-Chin Chen, Ming-Cheng Li, Zhi-Liang Zhang
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Publication number: 20120161913Abstract: A transformer includes a winding member, a magnetic core assembly and an insulating seat. The winding member includes a bobbin, a primary coil and a secondary coil. The primary coil and the secondary coil are wound on the bobbin. The magnetic core assembly includes a first magnetic core and a second magnetic core. The winding member is arranged between the first magnetic core and the second magnetic core. The insulating seat includes a receptacle, at least one ventilation hole, at least one sheltering member and plural pins. The winding member and the magnetic core assembly are accommodated within the receptacle. The ventilation hole is formed in the sheltering member. The first terminals of the primary coil and/or the second terminals of the secondary coil are connected with the pins.Type: ApplicationFiled: October 27, 2011Publication date: June 28, 2012Applicant: DELTA ELECTRONICS, INC.Inventor: Chun-Ching Yen
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Publication number: 20120154095Abstract: A symmetric planar transformer having adjustable leakage inductance has a circuit board, two first bobbins mounted respectively on opposite side surfaces of the circuit board, two primary windings mounted respectively on the first bobbins, two secondary windings disposed respectively between the circuit board and the first bobbins, two second bobbins disposed respectively between adjacent first bobbins and primary windings, two pad sets disposed respectively between adjacent first bobbins and second bobbins, and a magnetic core assembly mounted through the circuit board, the first and second bobbins, the secondary and primary windings and the pad sets. Adjusting the numbers of the at least one pad of each pad set also adjusts distances between the primary and secondary windings to allow the secondary windings to have the same leakage. Thus, a balanced electric current is induced.Type: ApplicationFiled: December 20, 2010Publication date: June 21, 2012Applicant: ACBEL POLYTECH INC.Inventors: Dong-Sheng LI, Huai-Shen TSAI, Wei-Liang LIN, Sheng-Chih CHANG
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Publication number: 20120126926Abstract: A transformer device includes a glass substrate having a first side and a second side arranged opposite the first side. A first recess is formed at the first side of the glass substrate. A second recess is formed at the second side of the glass substrate. The first and second recesses are arranged opposite to each other. A first coil is arranged in the first recess and a second coil is arranged in the second recess.Type: ApplicationFiled: November 19, 2010Publication date: May 24, 2012Applicant: INFINEON TECHNOLOGIES AUSTRIA AGInventors: Friedrich Kroener, Carsten von Koblinski
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Publication number: 20120049991Abstract: A wireless power supply includes a multi-layer shim assembly. Each shim aids in alignment of coils and routing of conductors in a multi-layer coil array. A shield or PCB can be used as part of the multi-layer shim assembly. Wires can be routed through channels to the edge of the shim assembly or wires can protrude through a portion of the multi-layer shim assembly. Traces can be used to route current through the multi-layer shim assembly. Plastic shims can be created by over-molding coils with plastic.Type: ApplicationFiled: August 25, 2011Publication date: March 1, 2012Applicant: ACCESS BUSINESS GROUP INTERNATIONAL LLCInventors: David W. Baarman, William T. Stoner, JR., Benjamin C. Moes, Joseph C. Van Den Brink, Joshua K. Schwannecke, Neil W. Kuyvenhoven
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Patent number: 8111125Abstract: A Nb3Sn superconducting coil can be formed from a wire including multiple unreacted strands comprising tin in contact with niobium. The strands are wound into a cable, which is then heated to react the tin and niobium to form a cable comprising reacted Nb3Sn strands. The cable comprising the reacted Nb3Sn strands are then mounted in and soldered into an electrically conductive channel to form a reacted cable-in-channel of Nb3Sn strands. The cable-in-channel of reacted Nb3Sn strands are then wound to fabricate a superconducting coil. The Nb3Sn superconducting coil can be used, for example, in a magnet structure for particle acceleration. In one example, the superconducting coil is used in a high-field superconducting synchrocyclotron.Type: GrantFiled: February 24, 2011Date of Patent: February 7, 2012Assignee: Massachusetts Institute of TechnologyInventors: Timothy A. Antaya, Joel Henry Schultz
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Patent number: 8106738Abstract: Disclosed herein is a ballast for multiple lamps and a method of manufacturing the ballast. A first coil is wound around a bobbin which has a partition formed in the center portion of an inner space thereof. An insulating sheet is stacked on the first coil, and a second coil is wound around the insulating sheet. Two paired core elements are vertically coupled to each other to form each core. Ends of the core elements disposed outside the bobbin are connected, and ends of the core elements disposed inside the bobbin are spaced apart from each other by the thickness of the bobbin partition, to form a path for magnetic flux.Type: GrantFiled: November 26, 2009Date of Patent: January 31, 2012Assignee: Sang Yong Illumination Co.Inventor: Ho-Sub Sin
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Patent number: 8102237Abstract: A low profile coil-wound bobbin is disclosed. A low profile coil-wound bobbin includes a spool and a terminal. The spool is configured to have a coil-wire arrangement wound around the spool. The terminals are to be coupled to the coil-wire arrangement and a first side of a circuit board. The terminal is configured to mechanically and/or electrically couple the low profile coil-wound bobbin to the first side of the circuit board such that the low profile bobbin extends through the circuit board to another side of the circuit board.Type: GrantFiled: June 12, 2008Date of Patent: January 24, 2012Assignee: Power Integrations, Inc.Inventor: Marvin C. Espino
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Publication number: 20110279212Abstract: An M phase coupled inductor includes a magnetic core including a first end magnetic element, a second end magnetic element, and M legs disposed between and connecting the first and second end magnetic elements. M is an integer greater than one. The coupled inductor further includes M windings, where each winding has a substantially rectangular cross section. Each one of the M windings is at least partially wound about a respective leg.Type: ApplicationFiled: May 13, 2011Publication date: November 17, 2011Inventors: Alexandr Ikriannikov, Anthony Stratakos, Charles R. Sullivan, Aaron M. Schultz, Jieli Li
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Patent number: 8056256Abstract: A method for reconditioning Fire Control Radar APG-68 tactical radar systems (FCR) utilized in military aircraft and returning them to operation with extended useful life expectancies equivalent to or better than new of the FCR APG-68 unit high frequency, high voltage dual mode radar transmitters that are deployed in over 1000 state-of-the-art military aircraft such as the F-15, F-16 and F-18 fighter aircraft, and B-1 bombers. The novel method extends the mean lifetime of previously repaired and repairable FCR APG-68 tactical radar units and radar units and ageing transmitters from about 100 to a few hundred hours to about five hundred or more hours by the step of removing embedded moisture and absorbed moisture from the heterogeneous electronic components in the FCR APG-68 tactical radar unit.Type: GrantFiled: September 17, 2008Date of Patent: November 15, 2011Assignee: Slack Associates, Inc.Inventors: Howard C. Slack, Clare L. Milton
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Patent number: 8035469Abstract: The present invention provides a fixing structure and a fixing member for a stationary induction apparatus, which can easily and inexpensively be assembled with a small number of constituent elements, and which are capable of reliable fixation. A fixing portion 4 which fixes the core 2 of a reactor to a case 1 is provided. The fixing portion 4 has a slide block 40 in contact with the core 2; a fixing bolt 42 which fixes the slide block 40 with respect to the case 1; and a slide base 41 provided between the slide block 40 and the case 1, and fixed to the case 1 together with the slide block 40. The slide block 40 and the slide base 41 have inclined faces 40d, 41b in mutual contact, and the slide block 40 has a first impelling portion 40a which impels the core 2 in a vertical direction and a second impelling portion 40b which impels the core 2 in a horizontal direction, according to fastening by the fixing bolt 42.Type: GrantFiled: January 24, 2008Date of Patent: October 11, 2011Assignee: Tamura CorporationInventors: Tadayuki Okamoto, Kensuke Maeno
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Publication number: 20110148392Abstract: The invention relates to a mechanical support device (10) for at least one sensor plate, for example an antenna element (18) in a device for transmitting and/or receiving electromagnetic high-frequency signals. According to the invention, the support device (10) is configured as a coil form (24, 26) of at least one winding (32, 32?, 32?; 34, 34?, 34?; 36, 36?, 36?) in an inductive sensor. In addition, the invention relates to a measuring device comprising multiple sensors, in particular a locating device (80) for detecting objects that are enclosed in a medium, said measuring device having at least one support device (10) of this type.Type: ApplicationFiled: July 3, 2006Publication date: June 23, 2011Inventors: Reiner Krapf, Uwe Skultety-Betz, Michael Mahler, Christoph Wieland, Ewald Schmidt, Ulli Hoffmann
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Patent number: 7957155Abstract: A method and system for transporting a fluid, gas, semi-solid, cryogen, or particulate matter, or combination thereof, between a three-dimensional structure and a substantially two-dimensional structure is disclosed. A system and method for electrically coupling a three-dimensional structure to a substantially two dimensional structure is also disclosed.Type: GrantFiled: March 15, 2006Date of Patent: June 7, 2011Assignee: Medconx, Inc.Inventors: Harold B. Kent, Steven T. Kent
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Patent number: 7948344Abstract: A coil bobbin has a cylindrical portion around which a coil winding is wound. The coil winding is comprised of coil members of an end-defined ring shape, the coil members have indentations indented outwardly in part of their inner periphery, and circumferential positions of the indentations are coincident with those of the indentations. Claws and flanges protruding outwardly are integrally provided at both ends of the cylindrical portion, and the cylindrical portion is inserted into openings of the coil members so that the claws pass through the indentations. In a state in which the claws are located out of the coil member, the cylindrical portion is rotated whereby the coil winding is interposed between the claws and the flanges.Type: GrantFiled: August 6, 2009Date of Patent: May 24, 2011Assignee: TDK CorporationInventor: Kouji Kaneko
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Publication number: 20110109414Abstract: Disclosed is a method for producing a coil from sheet metal comprising producing a carrier plate having spacers for the sheet metal; fastening the sheet metal to the spacers of the carrier plate; and fabricating a coil geometry in the sheet metal. The stabilized sheet metal is excellent to work. The coil, including the windings, can be fixed so as to keep the windings separate from each other, both spatially and electrically.Type: ApplicationFiled: June 17, 2009Publication date: May 12, 2011Inventors: Hugo Peerenboom, Harald Glueckler, Juergen Collienne
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Publication number: 20110090036Abstract: The invention relates to an inductor element, an integrated circuit device and a three-dimensional circuit device where a wire passes through the opening of a coil so that the efficiency in the use of wires is high. Coil elements are provided in the main direction of wires in at least two adjacent layer levels having different main directions of wires, and the coil elements are connected to coil elements formed in different layer levels so that a single coil is formed.Type: ApplicationFiled: May 12, 2009Publication date: April 21, 2011Applicant: KEIO UNIVERSITYInventor: Tadahiro Kuroda
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Patent number: 7920040Abstract: A Nb3Sn superconducting coil can be formed from a wire including multiple unreacted strands comprising tin in contact with niobium. The strands are wound into a cable, which is then heated to react the tin and niobium to form a cable comprising reacted Nb3Sn strands. The cable comprising the reacted Nb3Sn strands are then mounted in and soldered into an electrically conductive channel to form a reacted cable-in-channel of Nb3Sn strands. The cable-in-channel of reacted Nb3Sn strands are then wound to fabricate a superconducting coil. The Nb3Sn superconducting coil can be used, for example, in a magnet structure for particle acceleration. In one example, the superconducting coil is used in a high-field superconducting synchrocyclotron.Type: GrantFiled: February 24, 2010Date of Patent: April 5, 2011Assignee: Massachusetts Institute of TechnologyInventors: Timothy A. Antaya, Joel Henry Schultz
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Publication number: 20100328005Abstract: A distribution transformer having a coil assembly mounted to a ferromagnetic core. The coil assembly includes a resin-encapsulated low voltage coil mounted to the core, a resin-encapsulated first high voltage coil disposed around the low voltage coil, and a resin encapsulated second high voltage coil disposed around the first high voltage coil. The first high voltage coil is separated from the low voltage coil by an annular first space, and the second high voltage coil is separated from the first high voltage coil by an annular second space. The low voltage coil and the first and second high voltage coils are arranged concentrically. The low voltage coil and the first and second high voltage coils have different axial lengths.Type: ApplicationFiled: June 23, 2010Publication date: December 30, 2010Applicant: ABB TECHNOLOGY AGInventors: Charlie Sarver, William E. Pauley, JR.
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Patent number: 7830233Abstract: An electrical induction device for high voltage applications, of the type comprising a magnetic core which has at least one leg and is operatively coupled to a supporting structure, at least one inner winding which is arranged around said leg and has a first rated voltage, at least one outer winding which is arranged around said at least one inner winding and has a second rated voltage; and electrically insulating means, wherein said at least one inner winding comprises a plurality of substantially concentric turns formed by a sheet of electrically conducting material which is spirally wound, and in that said electrically insulating means comprise at least one layer of electrically insulating material which is arranged between mutually facing surfaces of said concentric turns, and first shaped insulating means which edge, at least partially, at least one of the upper and lower external rims of said inner winding.Type: GrantFiled: December 27, 2004Date of Patent: November 9, 2010Assignee: ABB Technology AGInventor: Miljenko Hrkac
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Patent number: 7816915Abstract: A method for producing a coil assembly includes overlaying printed circuit traces on a core. The traces include terminals for coupling to conductive connections on a base on which the coil assembly is to be mounted. Two or more wires are wrapped around the core so as to define two or more coils, wrapped in different, respective directions. The ends of the wires are coupled to the printed circuit traces, so as to connect the wires through the traces to the terminals.Type: GrantFiled: January 6, 2006Date of Patent: October 19, 2010Assignee: Biosense Webster, Inc.Inventors: Pesach Susel, Shlomo Fried, Avi Shalgi, Dan Raz, Dror Benatav
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Publication number: 20100219925Abstract: An inductance component is disclosed. This inductance component includes base made of insulating material, coil section buried in base, and external electrode terminals electrically coupled to the ends of coil section. Stress buffering section is provided on the exposed interface between base and external electrode terminals, and this stress buffering section can ease the stress produced by the difference in thermal coefficients due to temperature changes. The foregoing structure thus allows improving the reliability of the inductance component with respect to a thermal shock.Type: ApplicationFiled: October 28, 2008Publication date: September 2, 2010Inventors: Kenichi Yamamoto, Michio Ohba, Nobuya Matsutani
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Patent number: 7760060Abstract: In a vehicle transformer including a core 1, a winding 2, a rectangular tank 3 holding them, a cooling unit 7 for cooling a cooling medium 6 filling the tank 3, and a circulating pump 8 for forcibly circulating the cooling medium 6, a partition member 9 is provided for dividing an interior of the tank 3 into two and the partition member 9 divides a channel of the cooling medium 6 flowing within the winding 2 into a first cooling medium channel 10 and a second cooling medium channel 11, and both of the cooling medium channels 10, 11 are communicated at one end side of the tank 3 and the cooling unit 7 connected to both of the cooling medium channels 10, 11 is provided at the other end for the cooling medium 6 to flow and circulate in the first cooling medium channel 10 and the second cooling medium channel 11. Thereby, the connection between the tank and the cooling unit is simplified and a vehicle transformer reduced in size and weight is obtained.Type: GrantFiled: June 15, 2007Date of Patent: July 20, 2010Assignee: Mitsubishi Electric CorporationInventors: Hiroshi Kiuchi, Yutaka Koba
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Patent number: 7750783Abstract: A coil unit includes a planar coil, a magnetic member that is provided under the planar coil, a magnetic flux leakage prevention member that is provided under the magnetic member, and a heat sink that is provided under the magnetic flux leakage prevention member. The magnetic flux leakage prevention member is electrically insulated from the heat sink. The magnetic flux leakage prevention member is insulated from the heat sink using a double-sided adhesive tape, for example. Since the heat sink dissipates heat generated from the planar coil and is electrically insulated from the magnetic flux leakage prevention member, the heat sink does not function as a member which receives a magnetic flux.Type: GrantFiled: February 19, 2008Date of Patent: July 6, 2010Assignee: Seiko Epson CorporationInventors: Minoru Hasegawa, Masao Kuroda
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Publication number: 20100148904Abstract: A coil assembly is disclosed. The coil assembly comprises a flexible core, a wire assembly and a joint assembly. The inductance of the coil assembly is adjustable by changing the length and the number of the loop of the first and the second wire. As a result, the fixed conventional supporting core that cannot be applied to various usages is improved, and can thereby be more flexible and applied to other usages.Type: ApplicationFiled: May 12, 2009Publication date: June 17, 2010Applicant: DELTA ELECTRONICS, INC.Inventors: K.K. Xie, Alius Xiong
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Publication number: 20100079231Abstract: A transformer includes a bobbin and a core assembly. The bobbin includes a pair of first winding portions to wrap primary winding coils thereon and a second winding portion between the pair of first winding portions to wrap secondary winding coils thereon. The core assembly includes a first core and a second core. At least one gap is formed between the first core and the second core at opposite sides of the second winding portion to adjust leakage inductance of the transformer. The gaps and the winding coils of the second winding portion are positioned in a same magnetic circuit, the magnetic circuit generating the leakage inductance of the transformer.Type: ApplicationFiled: May 10, 2009Publication date: April 1, 2010Applicant: AMPOWER TECHNOLOGY CO., LTD.Inventors: CHIH-CHAN GER, CHIA-KUN CHEN
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Patent number: 7675395Abstract: An electromagnet and associated apparatus and method are provided. The electromagnet includes a core and at least one winding disposed circumferentially about the core such that the winding extends at least one revolution around the core. The electromagnet further includes at least one spacer having channels defined therein and disposed circumferentially about the core and adjacent to the at least one winding. The channels facilitate cooling by directing fluid about the windings of the coil as fluid is introduced into the electromagnet.Type: GrantFiled: June 16, 2006Date of Patent: March 9, 2010Assignee: The Boeing CompanyInventors: Arthur C. Day, Philip E. Johnson, B. David Stanley
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Patent number: 7657993Abstract: A shim coil for use in magnetic resonance imaging spectroscopy (MRIS) is formed by cutting or punching in a sheet of electrically conductive material the required coil pattern. The pattern can be punched using a CNC punch or stamping machine.Type: GrantFiled: March 31, 2004Date of Patent: February 9, 2010Assignee: Tesla Engineering LimitedInventor: Michael Colin Begg
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Publication number: 20090278648Abstract: An integrated magnetic device disposed on a system circuit board is disclosed. The integrated magnetic device comprises a bobbin, a magnetic core assembly, and a conductive structure. The bobbin has a main body for a primary winding to wind thereon and a channel piercing through the main body. The conductive structure comprises plural conductive units corresponded to each other and a first magnetic device. Each of the conductive units has a hollow portion, a receiving hole, and at least a conductive pin. The first magnetic device is electrically connected to the conductive units by the conducting part thereof piercing through the receiving holes of the conductive units. The conductive units are spaced by the main body of the bobbin, and the hollow portions of the conductive units are corresponded to the channel of the bobbin to receive parts of the magnetic core assembly, so as to assemble the bobbin, the magnetic core assembly and the conductive units as a second magnetic device.Type: ApplicationFiled: September 23, 2008Publication date: November 12, 2009Applicant: DELTA ELECTRONICS, INC.Inventors: Ching-Hsien Teng, Kao-Tsai Liao
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Publication number: 20090066460Abstract: An improved winding structure of a transformer, wherein the transformer comprises a winding base externally set with an isolating plate, the transformer is divided into a primary side region and a secondary side region by the isolating plate. The primary side region has a winding reel for a pre-formed wire set to sleeve on while the secondary side region is divided into a plurality of winding grooves by a plurality of partitions for placing a wire in the grooves, and an iron core set is set on the outside of the winding base and the hollow structure, which altogether form an transformer. In the present invention, an pre-formed wire set is sleeved on a primary side winding reel, therefore, the costs of traditional hand-winding will be displaced, and the manufacturing quality and usage stability of transformers will be effectively improved as well.Type: ApplicationFiled: July 26, 2008Publication date: March 12, 2009Applicant: LOGAH TECHNOLOGY CORP.Inventors: Cheng-Chia Hsu, Yung-Chin Chou, Teng-Kang Chang
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Publication number: 20080231211Abstract: A power supply to provide electrical power to one or more loads. The power supply may include a resonant air core transformer to provide an adjustable and adaptable source of power to electronic devices. The power supply may include isolated primary-side circuitry and secondary-side circuitry. The primary-side circuitry may include control circuitry that, among other things, provides drive waveforms for the primary-side switching circuitry. In embodiments configured to produce AC output, the secondary-side circuitry may also include switching circuitry. The primary-side control circuitry may provide drive waveforms for the secondary-side switching circuitry. The secondary-side circuitry may include measurement circuitry that measures the current and/or voltage of the output and provides those measurements to the control circuitry through isolation circuitry. The control circuitry may adjust the drive waveforms for the primary-side and/or secondary-side switching circuitry as a function of the measured values.Type: ApplicationFiled: March 20, 2008Publication date: September 25, 2008Applicant: ACCESS BUSINESS GROUP INTERNATIONAL LLCInventors: David W. Baarman, Joshua K. Schwannecke, Joshua B. Taylor, John James Lord, Wesley J. Bachman
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Publication number: 20080231406Abstract: A surface mount magnetic device includes a magnetic core assembly, a winding coil and an extension region. The magnetic core assembly includes a first magnetic part and a second magnetic part. The second magnetic part has a first surface and a second surface. The first surface of the second magnetic part is connected to second magnetic part such that a receptacle is formed between the first magnetic part and the second magnetic part. The winding coil is partially accommodated within the receptacle and includes at least two pins, wherein the pins are attached on the second surface of the second magnetic part. The extension region is integrally formed on the second surface of the second magnetic part.Type: ApplicationFiled: June 18, 2007Publication date: September 25, 2008Applicant: DELTA ELECTRONICS, INC.Inventors: Tsai-Shen Lin, Jui-Chu Cheng, Su-Chiung Hsu
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Patent number: 7423884Abstract: A multilayer circuit board includes: two or more layers of electrical insulative base members; and two or more layers of conductive patterned layers. At least two of the conductive patterned layers include coil patterns that will be a part of a coil, through holes are provided at predetermined positions of the electrical insulative base members, the positions being sandwiched between the coil patterns, so as to enable communication between respective end portions of the coil patterns, and conductive paste charged in the through holes allows electrical connection to be established between the respective end portions. The coil is formed so as to be wound in a direction perpendicular to a thickness direction of the multilayer circuit board. With this configuration, a multilayer circuit board can be provided, which facilitates increasing the winding number of a coil and has excellent flexibility of circuit design.Type: GrantFiled: March 14, 2005Date of Patent: September 9, 2008Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Kouhei Enchi, Yoji Ueda
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Publication number: 20080186018Abstract: Provided is an electromagnetic coil arrangement comprising a set of electromagnetic sensors at fixed locations with respect to each other, each of the electromagnetic sensors comprising a planar coil coupled to a conductive layer, the planar coil comprising non-concentric rings. Further, provided is an electromagnetic tracking system, comprising an electromagnetic coil arrangement, at least one complementary electromagnetic sensor and a processor configured to process a signal comprising data indicative of a mutual inductance between the at least one complementary electromagnetic sensor and each of the set of the electromagnetic sensors of the electromagnetic coil arrangement. Also, provided are a method of tracking and a method of manufacturing an electromagnetic coil arrangement.Type: ApplicationFiled: February 5, 2007Publication date: August 7, 2008Inventor: Peter Traneus Anderson
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Publication number: 20070194875Abstract: A filter mainly includes a coil connecting frame, a plurality of coils received in the frame, and a first circuit board. The frame comprises a first surface with a plurality of first pins and a second surface, opposite to the first surface, with a plurality of second pins. The first pins are connected to the first circuit board, and the second pins are connected to an external electronic device while both the first and second pins are connected to the coils. The coil connecting frame further includes an electrical connecting portion between the first surface and the second surface with a plurality of conducting pins which penetrate through the first and second surfaces to connect to the circuit board and the second pins or external electronic device.Type: ApplicationFiled: February 1, 2007Publication date: August 23, 2007Inventors: Jun Wang, Xin-Hua Li, Han-Cheng Hsu
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Patent number: 7091811Abstract: A device for absorbing axial and radial short-circuit forces in a cable-wound inductor. A fixing member includes an inner envelope surface that surrounds the cable winding of the inductor.Type: GrantFiled: May 31, 2002Date of Patent: August 15, 2006Assignee: ABB ABInventor: Sebastian Gudmundson
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Patent number: 7091812Abstract: An inverter unit comprising component parts including at least an inverter and a filter which removes a high harmonic wave component from an output of said inverter, wherein said component parts are housed in an aluminum case having a bottom wall portion and a side wall portion, said filter includes a coil which is wound around a core extending straight and is arranged at a position closed to one end of said case, an end portion of said core being wound with said coil is arranged closed to an inner surface of said side wall portion of the case, and a ferromagnetic plate, which leads magnetic flux coming in and out said end portion of the core arranged closed to said wall portion of the case to the direction along the inner surface of the side wall portion of the case, is disposed between said end portion of said core and said inner surface of said side wall portion of the case.Type: GrantFiled: August 4, 2004Date of Patent: August 15, 2006Assignee: Kokusan Denki Co., Ltd.Inventors: Yoshihiro Sugisawa, Masahiko Endou, Masanori Nakagawa, Katsumi Yamamoto, Kaoru Shinba
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Patent number: 7088210Abstract: An electromagnet and associated apparatus and method are provided. The electromagnet includes a core and at least one winding disposed circumferentially about the core such that the winding extends at least one revolution around the core. The electromagnet further includes at least one spacer having channels defined therein and disposed circumferentially about the core and adjacent to the at least one winding. The channels facilitate cooling by directing fluid about the windings of the coil as fluid is introduced into the electromagnet.Type: GrantFiled: January 23, 2004Date of Patent: August 8, 2006Assignee: The Boeing CompanyInventors: Arthur C. Day, Philip E. Johnson, B. David Stanley
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Patent number: 6806805Abstract: A high Q inductive clement with low losses, high inductance and high efficiency is disclosed. The high Q inductive element with one or more inductive loops is formed over a silicon micro structure with thin support elements formed by deep plasma etching in bulk silicon. The support elements, which may have different configurations, such as walls or columns, provide mechanical stability to the inductive loops and reduce the parasitic capacitance and the losses to the substrate.Type: GrantFiled: October 20, 2003Date of Patent: October 19, 2004Assignee: Micron Technology, Inc.Inventors: Kie Y. Ahn, Leonard Forbes
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Patent number: 6765181Abstract: An apparatus and process are provided for induction heat treatment of electrically conductive workpieces. The inductor assembly is formed from a single piece inductor that utilizes an electrically non-conductive top, side and bottom frames to hold flux concentrators in place over the sides of the inductor. Flux concentrators can be changed by unfastening the frame members, removing the existing flux concentrators, inserting new flux concentrators, and fastening the frame members. One or more of the frame members may serve as a receiving chamber for supply of a quench medium to an induction heated workpiece positioned in an opening in the inductor.Type: GrantFiled: September 16, 2003Date of Patent: July 20, 2004Assignee: Inductoheat, Inc.Inventors: Madhu S. Chatterjee, Byron L. Taylor, Micah Robert Black
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Publication number: 20040084973Abstract: An energy supply unit includes a primary coil which is at least indirectly connected to an energy source. In a secondary coil which is at least indirectly connected to the control circuit, and an insulating section formed between the primary coil and the secondary coil. The auxiliary energy is transmitted via the insulating section by way of a magnetic alternating field. The energy supply unit further includes a first carrier plate, a primary coil embodied as a flat coil situated on the first carrier plate, a second carrier plate, and a secondary coil embodied as a flat coil situated on the second carrier plate. The insulating section is embodied as an interferric space formed between the primary coil and the secondary coil.Type: ApplicationFiled: July 21, 2003Publication date: May 6, 2004Inventors: Roland Jakob, David Rudniski, Guenter Junge
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Patent number: 6498554Abstract: An auxiliary wiring structure for stabilizer which includes a ferrite core and a separator. The ferrite core is assembled by annular silicon sheets and has a slot formed at a selected location. The separator is clamped in the slot and enables wiring for a coil around the ferrite core be done in a well organized layer structure thereby to provide a stable current output for discharging lamp tube or other electric devices use.Type: GrantFiled: March 15, 2001Date of Patent: December 24, 2002Inventor: Albert Chow