With Coil Turn Spacer Patents (Class 336/207)
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Patent number: 11605485Abstract: Disclosed herein is a common mode filter that includes: a winding core part including first and second winding areas and a third winding area positioned between the first and second winding areas; and first and second wires wound in a same direction around the winding core part. The first and second wires constitute a first winding block wound in the first winding area and a second winding block wound in the second winding area. The first and second wires cross each other in the third winding area. Each of the first and second winding blocks has first and second winding layers. The difference in a number of turns between the first winding layer and the second winding layer is larger in the first winding block than in the second winding block.Type: GrantFiled: December 30, 2018Date of Patent: March 14, 2023Assignee: TDK CORPORATIONInventors: Yugo Asai, Tsutomu Kobayashi, Daisuke Urabe, Hiroshi Suzuki, Emi Ito, Toshio Tomonari
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Patent number: 10416335Abstract: An electromagnetic energy source for emitting pulses of electromagnetic energy includes a sonde assembly and an energy storage capacitor. The energy storage capacitor has an electrode mounted in the sonde assembly and operable to generate an electric field, and a capacitive charge storage medium surrounding the electrode. A communication cable extends through a tubular member to the electrode. A fast-closing switch is positioned such that when the fast-closing switch is in a closed position, a circuit is formed that discharges the electrode.Type: GrantFiled: January 23, 2018Date of Patent: September 17, 2019Assignee: Saudi Arabian Oil CompanyInventors: Howard K. Schmidt, Erika Ellis, Jesus Manuel Felix Servin
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Patent number: 10330815Abstract: An electromagnetic energy source for emitting pulses of electromagnetic energy includes a sonde assembly having a first section axially aligned with, and spaced from, a second section. An energy storage capacitor includes an electrode mounted in each of the first section and the second section of the sonde assembly and operable to generate an electric field. A capacitive charge storage medium is mounted in each of the first section and the second section of the sonde assembly and surrounds each electrode, where the capacitive charge storage medium is a giant dielectrics and giant permeability ferrite. A fast-closing switch is located between the first and second sections of the sonde assembly.Type: GrantFiled: November 22, 2017Date of Patent: June 25, 2019Assignee: Saudi Arabian Oil CompanyInventors: Erika Ellis, Howard K. Schmidt, Jesus Manuel Felix Servin
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Patent number: 9997290Abstract: Embodiments of a variable inductor and a communication device are generally described herein. The variable inductor may comprise a signal wire and a control wire to receive a direct current (DC) control current. The variable inductor may further comprise a magnetic material integrated with the signal wire and the control wire. When a DC control current applied to the control wires takes a first current value, an inductance between an input node and an output node on the signal wire may take a first inductance value. When the DC control current takes a second current value, the inductance between the input node and the output node may take a second inductance value.Type: GrantFiled: June 26, 2015Date of Patent: June 12, 2018Assignee: Intel CorporationInventors: Donald S. Gardner, Hossein Alavi
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Patent number: 9024713Abstract: Methods and devices for an extreme duty transformer with wet wound primary and secondary winding encapsulated with a resin and having corrugated insulating material as cooling ducts as a transformer capable of withstanding extreme mechanical stresses in an underground mining environment. The method includes providing a resin impregnated rectangular winding form, forming a secondary winding with alternating layers of magnet wire with a resin impregnated insulating collar above and below the magnet wire and corrugated insulating material extending the full or partial circumference and width of the coil. An insulating layer of corrugated material and resin impregnated insulation is wound to separate the primary from the secondary windings.Type: GrantFiled: August 1, 2013Date of Patent: May 5, 2015Assignee: Power Distribution Products, Inc.Inventor: Kurt Carlson
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Publication number: 20150117064Abstract: A transformer including first coil unit and second unit, wherein one or more coils are wound on the bobbin of insulating material in at least one of the first coil unit and the second unit, and wherein the bobbin is formed with at least one partitioning flange for partitioning a coil winding surface of the bobbin into two winding surfaces along the longitudinal direction of the bobbin, is disclosed.Type: ApplicationFiled: October 30, 2014Publication date: April 30, 2015Inventors: Hong Je RYOO, Sung Roc Jang, Hyoungsuk Kim, Jong Soo Kim
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Patent number: 9019057Abstract: Disclosed herein are various embodiments of coil transducers and galvanic isolators configured to provide high voltage isolation and high voltage breakdown performance characteristics in small packages. A coil transducer is provided across which data or power signals may be transmitted and received by primary and secondary coils disposed on opposing sides thereof without high voltage breakdowns occurring therebetween. At least portions of the coil transducer are formed of an electrically insulating, non-metallic, non-semiconductor, low dielectric loss material. Circuits are disclosed herein that permit high speed data signals to be transmitted through the coil transducer and faithfully and accurately reconstructed on the opposing side thereof. The coil transducer may be formed in a small package using, by way of example, printed circuit board, CMOS and other fabrication and packaging processes.Type: GrantFiled: March 31, 2008Date of Patent: April 28, 2015Assignee: Avago Technologies General IP (Singapore) Pte. Ltd.Inventors: Julie E. Fouquet, Gek Yong Ng, Richard Baumgartner, Gary R. Trott
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Patent number: 9009951Abstract: 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: GrantFiled: April 23, 2013Date of Patent: April 21, 2015Assignee: Cyntec Co., Ltd.Inventors: Wei-Chien Chang, Chia-Chi Wu, Lang-Yi Chiang, Tsung-Chan Wu, Jih-Hsu Yeh
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Publication number: 20150061808Abstract: 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: ApplicationFiled: August 28, 2014Publication date: March 5, 2015Inventors: Masaaki IWAKURA, Katsumi Kobayashi, Masaru Kumagai, Nobuo Kitajima, Satoshi Shinbo
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Patent number: 8970335Abstract: The coil form according to the invention for forming an inductive element includes a hollow cylindrical mantle portion, two flange portions and a slit. The flange portions and the mantle portion form a winding chamber for winding therein a wire that forms a first winding or a part of a first winding of the inductive element. The coil form, which is completely made of copper, forms a second coil or a winding of a second coil of the inductive element. Due to the increased contact surface between the first and the second coil the heat dissipation capabilities and the magnetic coupling between the coils are increased. This in turn results in an increased power density of the inductive element.Type: GrantFiled: August 23, 2004Date of Patent: March 3, 2015Assignee: DET International HoldingInventors: Joachim Peck, Jurgen Pilniak, Peter Wallmeier
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Patent number: 8963673Abstract: In a hand tool device having at least one charging coil provided for transmitting energy, the charging coil includes a coil core having at least two core segments which are movable relative to each other.Type: GrantFiled: September 20, 2012Date of Patent: February 24, 2015Assignee: Robert Bosch GmbHInventor: Matthias Wolf
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Patent number: 8933772Abstract: A coil component comprises: a coil bobbin, which has a coil-winding section in an outer circumferential portion so that a coil is to be wound on the coil-winding section, and which has a through-hole in a central portion thereof; a first core and a second core, which have a plurality of magnetic legs respectively, wherein a certain leg of the plurality of the magnetic legs of the first core and a certain leg of the plurality of the magnetic legs of the second core are inserted into the through-hole of the coil bobbin to face each other with a predetermined gap, and wherein facing surfaces of the certain legs of the magnetic legs are fixed by an adhesive; and a protective cover, which is positioned between the coil bobbin and the certain legs to suppress the adhesive from being attached to the coil bobbin.Type: GrantFiled: June 13, 2012Date of Patent: January 13, 2015Assignee: Minebea Co., Ltd.Inventors: Mitsuaki Suzuki, Masahiro Tanaka
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Publication number: 20140347156Abstract: An inner margin adjoining an inner lead is used as the innermost part of a conductive member made of a film conductor. The inner margin is held by a bobbin upon a winding a coil. Therefore, mutual displacement, or the like, between the film conductor, or the conductive member, and an insulation separator upon the coil-winding can be prevented.Type: ApplicationFiled: October 24, 2012Publication date: November 27, 2014Inventor: Kazuyuki Ono
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Patent number: 8896406Abstract: A laminated coil includes a plurality of circular conductive plates in the form of a flat plate, each of the circular conductive plates being laminated via an insulating material in an axis direction. The plurality of circular conductive plates each include a plurality of concentric circular arc parts having different inner diameter and outer diameter from each other, and a connection part interconnecting the plurality of circular arc parts. The plurality of circular conductive plates are arranged such that the connection parts thereof face each other and the circular arc parts thereof are juxtaposed to each other in a radial direction.Type: GrantFiled: September 12, 2012Date of Patent: November 25, 2014Assignee: Hitachi Metals, Ltd.Inventor: Satoshi Yamamoto
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Publication number: 20140266552Abstract: An integrated inductor assembly is provided. The integrated inductor assembly includes a magnetic core, a first inductor, and a second inductor. The magnetic core has a first side, an opposing second side, and an opening defined within the magnetic core. The opening extends into the magnetic core from at least one of the first side and the second side. The first inductor includes a first conductive winding inductively coupled to the magnetic core. The first conductive winding includes a first shorting segment positioned within the opening. The second inductor includes a second conductive winding inductively coupled to the magnetic core. The second conductive winding includes a second shorting segment positioned within the opening. The first and second inductors are configurable to operate independently of one another.Type: ApplicationFiled: March 4, 2014Publication date: September 18, 2014Applicant: General Electric CompanyInventors: Arturo Silva, John Steel
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Patent number: 8776359Abstract: A method of forming a motor winding wire for use in an oilfield application can include providing a conductive core; layering an insulating polymer layer about the core for electrical isolation thereof; adding an outer polymer layer about the insulating polymer layer to provide contaminant resistance; providing a sealable casing that comprises an oil-fillable space; disposing the motor winding wire within the oil-fillable space of the casing; filling the oil-fillable space with oil; and sealing the sealable casing to seal the oil in the oil-fillable space.Type: GrantFiled: March 27, 2010Date of Patent: July 15, 2014Assignee: Schlumberger Technology CorporationInventors: Joseph Varkey, Byong Jun Kim, Pete Howard
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Publication number: 20140184378Abstract: A slotted bobbin magnetic component device includes a bobbin having an elongated bobbin tube with transverse slots. One or more substantially flat electrically conductive winding inserts are inserted radially onto the bobbin tube via the transverse slots. At least one detent positioned on the winding insert secures the winding insert on the bobbin and prevents the winding insert from becoming misplaced relative to the bobbin. One or more flanges protruding from the bobbin engage one or more corresponding recesses on the winding insert to prevent angular movement of the winding insert relative to the bobbin. One or more primary conductive winding coils are disposed about the bobbin in the gaps between adjacent winding inserts, the coils being formed by axially winding numerous layers over each other in alternating axial winding directions.Type: ApplicationFiled: November 12, 2013Publication date: July 3, 2014Applicant: Power-One, Inc.Inventor: Urs Wild
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Publication number: 20140176288Abstract: There is provided an electromagnetic induction module for a wireless charging element, the electromagnetic induction module including a magnetic sheet including magnetic particles and having a groove portion formed in one surface thereof, the groove portion having a shape corresponding to a coil pattern, and a coil disposed in the groove portion.Type: ApplicationFiled: February 21, 2013Publication date: June 26, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Chang Ryul JUNG, Dong Hyeok Choi, Sung Yong An
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Publication number: 20140167902Abstract: Disclosed herein are a common mode filter capable of implementing high inductance without deterioration of a moisture resistance load, and a method of manufacturing the same. The common mode filter includes: a magnetic substrate; an insulating layer disposed on the magnetic substrate; and a coil electrode layer disposed in the insulating layer, wherein the magnetic substrate has a groove part formed at an edge of an upper surface thereof, and a material of the insulating layer is filled into the groove part.Type: ApplicationFiled: March 14, 2013Publication date: June 19, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Chan YOON, Won Chul SIM, Young Seuck YOO, Sung Kwon WI
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Patent number: 8717136Abstract: A thin film inductor having yokes, one or more of which is laminated, and one or more conductors passing between the yokes. The laminated yoke or yokes help reduce eddy currents and/or hysteresis losses.Type: GrantFiled: January 10, 2012Date of Patent: May 6, 2014Assignee: International Business Machines CorporationInventors: Robert E. Fontana, Jr., William J. Gallagher, Philipp Herget, Eugene J. O'Sullivan, Lubomyr T. Romankiw, Naigang Wang, Bucknell C. Webb
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Publication number: 20140097928Abstract: 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: ApplicationFiled: October 3, 2013Publication date: April 10, 2014Applicant: TDK CorporationInventors: Toshio Tomonari, Tsutomu Kobayashi, Kazunori Arimitsu
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Patent number: 8648687Abstract: 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: GrantFiled: December 20, 2010Date of Patent: February 11, 2014Assignee: Acbel Polytech Inc.Inventors: Dong-Sheng Li, Huai-Shen Tsai, Wei-Liang Lin, Sheng-Chih Chang
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Patent number: 8593247Abstract: There is provided a chip-type coil component, including: a body formed by laminating a plurality of magnetic layers, and having a lower surface provided as a mounting area, an upper surface corresponding thereto, two end surfaces, and two lateral surfaces; conductor patterns formed on the magnetic layers, respectively, and connected to each other to have a coil structure; and external electrodes formed on at least one external surface of the body, and electrically connected to the conductor patterns, the external electrodes each being formed on the lower surface and spaced apart from edges thereof. Short circuits between electronic components may be prevented and sticking strength between the chip-type coil component and a substrate may be increased.Type: GrantFiled: April 27, 2012Date of Patent: November 26, 2013Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Dong Jin Jeong, Jae Wook Lee
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Patent number: 8558652Abstract: Provided is a laminated inductor having a magnetic body, a conductor part covered in a manner directly contacting the magnetic body, and external terminals provided on the outside of the magnetic body and conducting to the conductor part; wherein the magnetic body is a laminate constituted by layers containing soft magnetic alloy grains, and the soft magnetic alloy grain contacting the conductor part is flattened on the conductor part side.Type: GrantFiled: January 17, 2012Date of Patent: October 15, 2013Assignee: Taiyo Yuden Co., Ltd.Inventors: Takayuki Arai, Hitoshi Matsuura, Kenji Otake
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Patent number: 8519699Abstract: An electrical current sensor is disclosed having conducting coil portion and an insulating body portion, the conducting coil portion comprising a coil portion with one or more helical windings made of a wire conductor and encircling a central cavity. Adjacent windings are separated by a dielectrically effective gap, wherein the insulating body portion comprises a dielectric spacer comprising a helical gap maintaining protuberance configured for insertion in the central cavity of the windings such that the gap maintaining protuberance is at least partially inserted in the gap between windings.Type: GrantFiled: March 11, 2010Date of Patent: August 27, 2013Assignee: LEM Intellectual Property SAInventors: Mikio Kurosawa, Takashi Kato
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Patent number: 8471669Abstract: In a disc-type coil that enables assuring a sufficiently high value of a flowing current to increase an output and comprises: a discoid insulating substrate 1; a conductor pattern 2 that is provided on each of both surfaces of the insulating substrate 1 so that through hole lands 22 and 23 are position on the outer circumferential side and the inner circumferential side of the insulating substrate 1, and that is arranged to be alternately folded back on both the surfaces of the insulating substrate 1; and through holes that are formed in the insulating substrate 1 and connect the through hole lands 22 and 23 of the conductor pattern 2, the plurality of through holes 6 are aligned and arranged in a radial direction c in each through hole land 23 on the inner circumferential side.Type: GrantFiled: December 22, 2009Date of Patent: June 25, 2013Assignee: Cosmo Mechanics Co., Ltd.Inventor: Kimiaki Iwaya
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Patent number: 8410888Abstract: An method for producing a disk winding having disks arranged alongside one another, includes winding the disk winding and fitting intermediate insulation between adjacent disks simultaneously, and subdividing the insulation into two sub-areas with a connecting conductor that runs from an end of one disk to a start of an adjacent disk along a diagonal within the intermediate insulation. The sub-areas can include a first intermediate area with a triangular cross-section formed below this diagonal and a second intermediate area which has an opposite triangular cross-section and formed above this diagonal.Type: GrantFiled: November 14, 2011Date of Patent: April 2, 2013Assignee: ABB Technology AGInventor: Benjamin Weber
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Publication number: 20130069754Abstract: A laminated coil includes a plurality of circular conductive plates in the form of a flat plate, each of the circular conductive plates being laminated via an insulating material in an axis direction. The plurality of circular conductive plates each include a plurality of concentric circular arc parts having different inner diameter and outer diameter from each other, and a connection part interconnecting the plurality of circular arc parts. The plurality of circular conductive plates are arranged such that the connection parts thereof face each other and the circular arc parts thereof are juxtaposed to each other in a radial direction.Type: ApplicationFiled: September 12, 2012Publication date: March 21, 2013Inventor: Satoshi YAMAMOTO
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Patent number: 8400248Abstract: Provided is a wireless power transfer device. The wireless power transfer device includes: a base substrate including a base coil; transmission substrates spaced from the base substrate and including transmission coils; and a contact plug penetrating the base substrate and the transmission substrates to connect one ends of the transmission coils; wherein the transmission coils have the greater turn number than the base coil and transmitting/receiving a power signal through a magnetic resonance method.Type: GrantFiled: October 11, 2011Date of Patent: March 19, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Yong Hae Kim, Seung Youl Kang, Sang Hoon Cheon, Myung Lae Lee, Je Hoon Yun, In Kui Cho, Jung Ick Moon, Seong-Min Kim
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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: 20130002390Abstract: There are provided a transformer capable of being easily manufactured by facilitating insulation between coils and minimizing leakage inductance, and a display device using the same. The transformer includes: a bobbin including at least one partition wall formed on an outer peripheral surface of a body part having a pipe; a coil group including a plurality of coils wound while being stacked on the body part and at least one insulating wire wound between the plurality of coils; and a core electromagnetically coupled to the coils to thereby form a magnetic path, wherein the plurality of coils are individually wound so as to be uniformly disposed in a plurality of spaces partitioned by the at least one partition wall.Type: ApplicationFiled: December 20, 2011Publication date: January 3, 2013Inventors: Ki Hung NAM, Jae Gen EOM, Soon Young KWON
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Publication number: 20120320505Abstract: There is provided a transformer having a minimized leakage inductance. The transformer includes: a bobbin including at least one partition wall formed on an outer peripheral surface of a pipe shaped body part thereof; a plurality of coils wound and stacked on the body part; and a core electromagnetically coupled to the coils to thereby form a magnetic path, wherein the respective coils are disposed in a plurality of spaces partitioned by the at least one partition wall.Type: ApplicationFiled: April 10, 2012Publication date: December 20, 2012Inventors: Young Min LEE, Jae Sun Won, Jong Hae Kim, Deuk Hoon Kim, Geun Young Park
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Publication number: 20120286914Abstract: The invention comprises a power converter method and apparatus, which is optionally part of a filtering method and apparatus. A corona potential is the potential for long term breakdown of winding wire insulation due to the high electric potentials between winding turns winding a mid-level power inductor in a converter system. The high electric potential creates ozone, which breaks down insulation coating the winding wire and results in degraded performance or failure of the inductor. In one embodiment, the inductor is configured with inductor winding spacers, such as a main inductor spacer and/or inductor segmenting winding spacers. The spacers are used to space winding turns of a winding coil about an inductor. The insulation of the inductor spacer minimizes energy transfer between windings and thus minimizes corona potential, formation of corrosive ozone through ionization of oxygen, correlated breakdown of insulation on the winding wire, and electrical shorts in the inductor.Type: ApplicationFiled: May 13, 2011Publication date: November 15, 2012Inventor: Grant A. MacLennan
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Patent number: 8310327Abstract: The present invention provides an improved transformer (20), which broadly includes: a substrate (21) having first and second surfaces (22, 23); a first board (24) mounted on the substrate first surface; a second board (25) mounted on the substrate second surface; the boards being identical to one another and being mounted on the respective proximate substrate surfaces as mirror images of one another; each of the boards having a plurality of dielectric layers with electrically-conductive sheet windings (35, 36, 37, 38) embedded therein; and an assembled core (26, 28) operatively arranged to provide a path for magnetic flux attributable to a current in some of the windings. Third and fourth boards (71, 72) may be piggy-backed onto the first and second boards, respectively, to selectively vary the properties of the transformer.Type: GrantFiled: June 11, 2007Date of Patent: November 13, 2012Assignee: Moog LimitedInventors: Michael J. Willers, Raymond Walsh, Christopher Simmonds
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Patent number: 8310330Abstract: A dry-type transformer includes at least one high-voltage winding and one low-voltage winding. The windings are operatively connected to one another by an electromagnetic field, and each winding is constructed from winding conductors, wherein the high-voltage winding and the low-voltage winding have a defined distance from one another, and spacers are arranged between the windings and maintain the defined distance.Type: GrantFiled: November 12, 2010Date of Patent: November 13, 2012Assignee: ABB Technology AGInventors: Charles W. Johnson, Jan Leander, Karel Bilek, Benjamin Weber
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Publication number: 20120235780Abstract: A planar magnetic structure has an electrically insulating carrier made up of a base portion and opposed upstanding sidewalls. A plurality of planar primary windings and planar secondary windings are interstitially disposed within the carrier with planar dielectric spacers located between each adjacent pair of windings. A ferrite core envelopes the assembly to magnetically couple the windings. The carrier and windings form at least two spaces-apart sets of cooperating registration features which maintain the windings in fixed alignment with the carrier.Type: ApplicationFiled: March 16, 2011Publication date: September 20, 2012Applicant: DELPHI TECHNOLOGIES, INC.Inventor: ROBERT D. MAPLE
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Patent number: 8255024Abstract: Between adjacent windings of a bifilar coil made of an HTS strip conductor in a resistive superconductive current limiter device, a spacer is provided which is transparent for a coolant. The spacer includes an electrically insulating support tape for sufficiently massive spacer elements attached thereon. The spacer elements are spaced and made of a material having high thermal conductivity. The spaces between the spacer elements form cooling channels for the coolant.Type: GrantFiled: June 21, 2007Date of Patent: August 28, 2012Assignee: Siemens AktiengesellschaftInventors: Hans-Peter Krämer, Wolfgang Schmidt
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Patent number: 8222987Abstract: A supporting component (10) for assembling an inductive element comprises a base on the top face of which a protrusion for accommodating the inductive element is embodied, wherein a recess is provided in said protrusion for receiving an electronic component and/or a ferrite element. Furthermore, an interference suppression coil device with a supporting component is provided, wherein the supporting component comprises a protrusion serving for accommodating an interference suppression coil. Moreover, a method for the manufacture of an inductive component to be assembled on a printed circuit board is provided.Type: GrantFiled: September 9, 2005Date of Patent: July 17, 2012Assignee: Vogt Electronic AGInventor: Karl Gerhard
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Patent number: 8112134Abstract: The superconducting current-limiting device contains at least one coil (61), the conductive track of which is formed from at least one band-shaped superconductor (17), where a holding element (2, 41, 10, 51, 62) is located between adjacent coil windings. The holding element (2, 41, 51, 62) is constructed wider than the superconductor (17) in the axial direction of the coil (61). The holding element (2, 41, 51, 62) further includes a flat strip (11) and an undulating strip (12, 42, 52). The flat strip (11) extends essentially parallel to the band-shaped superconductor (17) at an essentially constant distance (22) therefrom. The undulating strip (12, 42, 52) extends essentially parallel to the flat strip (11), and in the longitudinal direction periodically has regions (15, 43, 53) distant from and regions (13) close to the flat strip (11). The regions (13) of the undulating strip (12, 42, 52) near to the flat strip have a mechanical connection (21) to the flat strip (11).Type: GrantFiled: June 21, 2007Date of Patent: February 7, 2012Assignee: Siemens AktiengesellschaftInventors: Hans-Peter Krämer, Manfred Wohlfart
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Publication number: 20110273259Abstract: A dry-type transformer includes at least one high-voltage winding and one low-voltage winding. The windings are operatively connected to one another by an electromagnetic field, and each winding is constructed from winding conductors, wherein the high-voltage winding and the low-voltage winding have a defined distance from one another, and spacers are arranged between the windings and maintain the defined distance.Type: ApplicationFiled: November 12, 2010Publication date: November 10, 2011Applicant: ABB TECHNOLOGY AGInventors: Charles W. JOHNSON, Jan Leander, Karel Bilek, Benjamin Weber
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Publication number: 20110140825Abstract: Provided is an inductor. The inductor includes a first to a fourth conductive terminals formed in one direction within a semiconductor substrate, a first conductive line formed on one side of the semiconductor substrate and electrically connected to the second and third conductive terminals interiorly positioned among the first to fourth conductive terminals, a second conductive line formed on the one side of the semiconductor substrate and electrically connected to the first and fourth conductive terminals exteriorly positioned among the first to fourth conductive terminals, and a third conductive line formed on the other side of the semiconductor substrate and electrically connected to the first and third conductive terminals among the first to fourth conductive terminals.Type: ApplicationFiled: December 14, 2010Publication date: June 16, 2011Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Seong-il KIM, Jongmin Lee, Byoung-Gue Min, Hyung Sup Yoon, Hae Cheon Kim, Eun Soo Nam
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Publication number: 20110109420Abstract: A transformer winding having a conductor wound in a plurality of turns is disclosed, wherein the transformer winding includes a reinforcing part arranged at a winding transition in a manner so that the reinforcing part covers more than 180 degrees of the conductor circumference, whereby the bending strength of the conductor at the location of the reinforcing part is increased. The resistibility of the transformer winding against bending stress is hence improved.Type: ApplicationFiled: November 5, 2010Publication date: May 12, 2011Inventors: Tomas Eriksson, Sebastian Jutäng, Leif Olsson, Kenneth Ågren, Jan Anger, Hans Persson, Erik Forsberg, Curt Eggmark, Christer Ericsson, Bo Skansen
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Patent number: 7932801Abstract: A winding arrangement for a planar transformer, e.g., for high frequency AC transformation, or for an inductor includes at least two conduction layers. Each conduction layer has an inner hole and conductor paths which are electrically insulated from each other and which lead from an outer circumference to an inner circumference of the conduction layer adjacent to the inner hole in a spiral form.Type: GrantFiled: April 28, 2006Date of Patent: April 26, 2011Assignee: Koninklijke Philips Electronics N.V.Inventor: Christoph Loef
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Publication number: 20110037551Abstract: An oil filled high power transformer for high voltages with coils. The transformer including a number of stacked layers of, in the main concentric, insulated conductors forming transformer coils. The winding layers are separated by spacers. One or more spacers are provided with at least one integrated electrical discharge barrier extending off the central body of the spacer in the vicinity of the area where the spacer is in contact with a winding. Breakdown along spacer and alongside the spacer-oil interface is reduced getting improved breakdown strength of the oil filled transformer.Type: ApplicationFiled: September 29, 2006Publication date: February 17, 2011Applicant: ABB Technology LtdInventors: Arne Hjortsberg, Jan Hajek
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Publication number: 20100253465Abstract: An electromagnetic component has a multilayer winding. The multilayer winding has a stack body. The stack body has multiple sub-stacks and at least one second metal ring, each of which is interposed between two adjacent sub-stacks of the stack body. Each sub-stack has identical upper and lower first metal rings. Further, each second metal ring has identical upper and lower half rings. Therefore, the multilayer winding only uses two forms of the metal rings, so manufacturing costs will be decreased.Type: ApplicationFiled: July 30, 2009Publication date: October 7, 2010Applicant: ACBEL POLYTECH INC.Inventor: Kuo-Chu Yeh
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Patent number: 7808360Abstract: A resin cast transformer having a core covered by a cushioning material is provided. The cushioning material is in contact with the core and includes a force absorption layer adjoining a force distribution layer. The force distribution layer is harder than the force absorption layer.Type: GrantFiled: December 20, 2005Date of Patent: October 5, 2010Assignee: ABB Technology AGInventors: Hoan D. Le, Steve A. Shaw, Libor Ruprecht
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Publication number: 20100231200Abstract: An electrical current sensor is disclosed having conducting coil portion and an insulating body portion, the conducting coil portion comprising a coil portion with one or more helical windings made of a wire conductor and encircling a central cavity. Adjacent windings are separated by a dielectrically effective gap, wherein the insulating body portion comprises a dielectric spacer comprising a helical gap maintaining protuberance configured for insertion in the central cavity of the windings such that the gap maintaining protuberance is at least partially inserted in the gap between windings.Type: ApplicationFiled: March 11, 2010Publication date: September 16, 2010Applicant: Liaisons Electroniques-Mecaniques LEM SAInventors: Mikio Kurosawa, Takashi Kato
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Patent number: 7782167Abstract: In a method to produce a curved coil, in particular a sub-coil of a gradient coil for a magnetic resonance apparatus, at least one conductor is wound corresponding to a predetermined pattern on a winding plate, and a winding plate composed of multiple plate elements that are moveable relative to one another is used that is formed into a curved shape after the winding of the conductor, in which curved shape the conductor is fixed while maintaining the curved shape.Type: GrantFiled: September 12, 2008Date of Patent: August 24, 2010Assignee: Siemens AktiengesellschaftInventors: Thomas Kolbeck, Johann Schuster, Lothar Schoen, Stefan Stocker
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Patent number: 7746208Abstract: The present invention describes a winding for a transformer comprising first (60) and second (70) planar sections which are arranged parallel to each other. First (1, e.g., from 602 to 603)) and second (2, e.g., from 703 to 704)) current paths are arranged on the first and second planar sections. The first and second current paths are connected to each other by means of an interconnection (603/703). The first and second current (603/703) paths are respectively angled with respect to a direction along which the first and second planar sections are extending.Type: GrantFiled: December 8, 2006Date of Patent: June 29, 2010Assignee: Koninklijke Philips Electronics N.V.Inventors: Christoph Loef, Bernd Ackermann
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Patent number: 7733208Abstract: The present invention provides a high voltage, step-up, high current DC pulse type transformer with increased coupling coefficient between the primary and secondary windings through close proximity of the primary winding turns and secondary winding turns by means of transformer construction that provides a plurality of winding bays for a high voltage secondary winding physically located in close proximity to the primary winding. The plurality of winding bays for the secondary winding are provided by means of a frame and separate thin insulation layer where the thin insulation layer provides the barrel for all or part of the secondary winding.Type: GrantFiled: April 21, 2008Date of Patent: June 8, 2010Assignee: Wolfgram Industries, Inc.Inventor: Kirk W. Wolfgram