序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
201 Insulation for power transformers US14056656 2013-10-17 US09343222B2 2016-05-17 Thomas M. Golner; Shirish P. Mehta; Jeffery J. Nemec
A power transformer is provided that includes a first transformer component, a second transformer component; and an electrical insulator. The electrical insulator is disposed between the first transformer component and the second transformer component. The electrical insulator includes a first layer and a second layer. The first layer has a binder fiber. The binder fiber is a staple fiber coated with a binder material. The second layer has an uncoated staple fiber. The first layer and the second layer are bound together with the binder material.
202 ELECTRICAL TRANSFORMER ASSEMBLY US14961001 2015-12-07 US20160086712A1 2016-03-24 BRUNO FRANCOEUR; PIERRE COUTURE
A support frame for an electrical transformer assembly, comprising two loop-shaped parts, each loop-shaped part having a plurality of limbs, each limb having a peripheral recessed portion in which a primary electrical coil is mountable, and at least one secondary coil is mountable in piggyback on the primary electrical coil, one limb of each loop-shaped part having a straight section. The frame also includes an adjustable attaching means for attaching one of the loop-shaped parts with respect to the other loop-shaped part and adjusting a distance therebetween, so that only the straight sections are adjacent and form a central leg, the central leg being for receiving a magnetic core distinct from the attaching means. The frame provides a means and a method to efficiently secure adjacent windings in a circular core transformer kernel.
203 Cast split low voltage coil with integrated cooling duct placement after winding process US14240415 2012-05-09 US09257229B2 2016-02-09 Charlie H. Sarver; William E. Pauley
A coil for a transformer includes first and second coil segments with each coil segment being defined by successive layers of wound conductor sheeting. The coil segments are electrically connected together and are adjacent, defining a space there-between. A plurality of cooling duct pairs are disposed between certain of the layers in each of the first and second coil segments such that, for each cooling duct pair, an end of a cooling duct disposed in the first coil segment is adjacent to an end of a cooling duct disposed in the second coil segment, with the ends being disposed in the space. A connector connects the adjacent ends of each pair of cooling ducts.
204 SIGNAL TRANSMISSION CABLE AND COMMUNICATION DEVICE MODULE US14873283 2015-10-02 US20160028358A1 2016-01-28 Kuniaki YOSUI
A signal transmission cable including a high-Q value band-elimination filter includes a first signal line conductor pattern including a first capacitor conductor portion and an inductor conductor portion on a first base layer. The first capacitor conductor portion includes a flat conductor, and the inductor conductor portion has a spiral shape. A second signal line conductor pattern including a second capacitor conductor portion is provided on a second base layer. The inductor conductor portion constitutes an inductor, and the first and second capacitor conductor portions and the first base layer constitute a capacitor. The inductor and the capacitor are connected in parallel by transmission conductor portions on the first and second base layers and an interlayer-connector conductor on the first base layer.
205 Inductor that switches between coupled and decoupled states US14006400 2011-09-30 US09240271B2 2016-01-19 Xiaoguo Liang
An apparatus includes first core spaced from a second core. The second core has a first section with a first winding, a second section with a second winding, and a third section between the first and second sections. At least one filler is included between the first core and the third section of the second core. The operational state of the apparatus changes based on the amount of magnetic flux through the filler. When the flux is at an unsaturated level, the first and second windings operate as decoupled inductors. When the flux is at a saturated level, the first and second windings operate as a coupled inductor. The amount of magnetic flux through the filler may be determined based on the size of the current through one or more of the windings and/or the magnetic permeability of the filler material.
206 COIL COMPONENT US14675914 2015-04-01 US20150287520A1 2015-10-08 Nobuo TAKAGI; Setu Tsuchida; Tasuku Mikogami
Disclosed herein is a coil component that includes first and second terminal electrodes provided on the core. The first wire includes a first lead, section extending from a winding core portion toward the first terminal electrode so as to cross the winding core portion, and a first connecting section connected to the first terminal electrode. The second wire includes a second lead section extending from the winding core portion toward the second terminal electrode so as to cross the winding core portion, and a second connecting section connected to the second terminal electrode. The first lead section crosses the second lead section so as to pass under the second lead section. The second connecting section is located closer to a far side in an extending direction of the winding core portion than the first connecting section.
207 Oil-filled transformer switching frame US14308294 2014-06-18 US09129738B2 2015-09-08 Hartmut Brendel; Matthias Starke; Marikka Hübner; Ralf Büchner; Klaus Herkert; Isidoro Li Pira
An oil-filled transformer switching frame is disclosed which includes at least one longitudinal channel element that is essentially formed by a wall that is curved in a U-shaped manner, for receiving in its inner region stranded conductors of an oil tank of an oil transformer. The wall of the channel element can include a first layer of mechanically strong, planar insulating material and a second layer of mechanically strong, planar insulating material that is adjacent to and fundamentally parallel to said first layer, the first layer and the second layer being connected to and spaced apart by a third layer of a mechanically strong, corrugated insulating material having hollow spaces that can be flooded with a fluid by way of lateral edges.
208 REACTOR US14535184 2014-11-06 US20150130576A1 2015-05-14 Kotaro Suzuki
U-shaped cores and fasteners are embedded in resin members, and brackets provided at respective ends of the fasteners protrude from the resin members. By fixing the brackets and a casing with screws, a reactor main body and the casing are fixed together. Openings formed by a partition wall that suppresses a direct application of a resin flowing from resin-filling portions to the fasteners are provided between the respective fasteners and the respective resin-filling portions. A protrusion extending in an opposite direction to a core and in parallel with the partition wall is provided between the resin-filling portions and the partition wall. The resin flowing from the resin-filling portion flows in between a core upper face and the fastener, and between a fastener surface located behind the partition wall and the internal surface of a die.
209 DEPRESSURIZATION SYSTEM FOR AN ELECTRICAL TRANSFORMER US14351451 2012-10-11 US20140266529A1 2014-09-18 William R. Kendrick
A depressurization system for an electrical transformer includes a pressure release assembly configured to be in fluid communication with a chamber of the electrical transformer. The pressure release assembly includes a rupture pin valve. The system may include an evacuation assembly having a blast chamber. The rupture pin valve includes a pin configured to buckle in response to a predetermined pressure applied to a surface of the rupture pin valve.
210 MAGNETIC DEVICE AND METHOD OF MANUFACTURING THE SAME US13902997 2013-05-28 US20140002227A1 2014-01-02 Roger Hsieh; Cheng-Chang Lee; Chun-Tiao Liu; Yi-Min Huang; Chih-Siang Chuang
A magnetic device comprises a lead frame, a first core body and a coil. The lead frame has a first portion and a second portion spaced apart from the first portion. A first core body is disposed on the lead frame, wherein the first core body comprises a first through opening and a second through opening. A coil is disposed on the first core body, wherein the coil has a first terminal and a second terminal, wherein the first portion is electrically connected with the first terminal via the first through opening, and the second portion is electrically connected with the second terminal via the second through opening, respectively.
211 ELECTRICAL REACTOR WITH MAGNETIZATION US13700946 2011-02-18 US20130207761A1 2013-08-15 Alexander Mikhailovich Bryantsev
The invention relates to electrical engineering and is particularly suitable for use with magnetic-bias-controlled reactors installed, e.g., in an electric network to compensate for reactive power, regulate voltage, provide for parallel operation with capacitor banks, increase throughput, etc. A three-phase magnetic-bias-controlled reactor includes a magnetic system composed of vertical cores, horizontal yokes and magnetic shunts, as well as windings suitably placed on each core and windings wound around two adjacent cores, and a regulated DC voltage source. The magnetic system is spatial and includes two three-phase magnetic circuits located in parallel planes and installed between said magnetic circuits are additional sections of said yokes in the form of ferromagnetic inserts interconnecting said magnetic circuits through said horizontal yokes.
212 RESONATOR AND WIRELESS POWER TRANSMISSION DEVICE US13675821 2012-11-13 US20130135077A1 2013-05-30 Tetsu SHIJO; Akiko YAMADA; Shuichi OBAYASHI
There is provided a resonator including a magnetic core and a coil wherein the magnetic core includes a first magnetic core block and a second magnetic core block, the coil is wound on the magnetic core, the first magnetic core block includes a first portion and second portions on sides of the first portion, a sectional area of the first portion is larger than each sectional area of the second portions, the second magnetic core block includes a third portion and fourth portions on sides of the third portion along its longitudinal direction, a sectional area of the third portion is larger than each sectional area of the fourth portions, and the coil is wound on the first portion and the third portion.
213 PLANAR TRANSFORMER US13806483 2011-04-18 US20130099885A1 2013-04-25 Minsu Park
The present invention relates to a planar transformer, the transformer including a core provided to induce formation of a magnetic field, a bobbin coupled to the core, at least one primary winding interposed between the core and the bobbin to supply a power signal, a first insulation unit provided to the at least one primary winding to insulate at least the one first primary winding, at least one secondary winding provided to the first insulation unit and insulated by the first insulation unit to transform the power signal, and a second insulation unit provided to the at least one secondary winding to insulate the at least one secondary winding.
214 Electrical Transformer Assembly US13510943 2010-11-18 US20130088314A1 2013-04-11 Bruno Francoeur; Pierre Couture
A support frame for an electrical transformer assembly, comprising two loop-shaped parts, each loop-shaped part having a plurality of limbs, each limb having a peripheral recessed portion in which a primary electrical coil is mountable, and at least one secondary coil is mountable in piggyback on the primary electrical coil, one limb of each loop-shaped part having a straight section. The frame also includes an adjustable attaching means for attaching one of the loop-shaped parts with respect to the other loop-shaped part and adjusting a distance therebetween, so that only the straight sections are adjacent and form a central leg, the central leg being for receiving a magnetic core distinct from the attaching means. The frame provides a means and a method to efficiently secure adjacent windings in a circular core transformer kernel.
215 Harmonic current attenuating device of a motor US994267 1997-12-19 US5917302A 1999-06-29 Bu-Hyeon Kim
A harmonic current attenuating device of a motor for attenuating a harmonic current generated from the motor by controlling the rotation speed by varying a sine wave voltage into a non-sinusoidal wave by phase-controlling the sine wave voltage, comprises a reactor having an E shape core, a coil wound to the E shape core and an I shape core.
216 Litz wire for degreasing skin effect at high frequency US404567 1982-08-02 US4549042A 1985-10-22 Yutaka Akiba; Kazuo Hirota
A litz wire comprises three or more insulated strands consisting essentially of an inner conductor and an outer insulating layer on said conductor. The strands are twisted symmetrically with respect to the center line of the wire, so that a current density distribution in the litz wire becomes uniform. Three or more such litz wires are twisted to form a composite litz wire. The composite litz wires are suitable for use in a high-frequency coil.
217 Quinazolinone derivative and process for the production thereof US3652567D 1969-10-15 US3652567A 1972-03-28 BOLTZE KARL-HEINZ; LORENZ DIETRICH
A QUINAZOLINONE COMPOUND OF THE FORMULA:

2-(CH3-),3-((4-PHENYL-PIPERAZINO)-CH2-CH(-OH)-CH2-),4-(O=)

-QUINAZOLINE

2-METHYL-3-(3-(4-PHENYLPIPERAZINYL-(1)-2-HYDROXYPROPYL)-QUINAZOLINE-4-ONE. THIS COMPOUND HAS ANTITUSSIVE AND ANALGESIC ACTIVITY.
218 Magnetic core unit with shielded winding US51051265 1965-11-30 US3332049A 1967-07-18 TAKAO HISANO
219 Method for winding and assembling magnetic cores US54813155 1955-11-21 US3134163A 1964-05-26 LUHN HANS P
220 Magnetic core assembly US50985555 1955-05-20 US2823360A 1958-02-11 PAUL JONES JOHN
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