Patents Issued in November 12, 2020
-
Publication number: 20200357527Abstract: According to various embodiments, an FRC fusion reactor is disclosed. The FRC fusion reactor includes a main chamber containing an FRC core and an energy and ash removal shell (EARS). The FRC fusion reactor further includes at least one divertor chamber connected to the main chamber via a divertor throat. The divertor chamber includes a plasma extruder positioned on a major axis of the FRC fusion reactor and a controllable distance along the major axis from the divertor throat. The plasma extruder has a diameter approximately ½ a diameter of the divertor throat and is configured to block plasma flow towards the FRC core to create a gap region between the FRC core and the EARS.Type: ApplicationFiled: March 4, 2020Publication date: November 12, 2020Applicant: The Trustees of Princeton UniversityInventor: Samuel A. Cohen
-
Publication number: 20200357528Abstract: A controlled fusion process is provided that can produce a sustained series of fusion reactions: a process that (i) uses a substantially higher reactant density of the deuterium and tritium gases by converging cationic reactants into the higher reaction density at a target cathode rather than relying on random collisions, the converging producing a substantially higher rate of fusion and energy production; (ii) uses a substantially lower input of energy to initiate the fusion; (iii) can be cycled at a substantially higher cycle frequency; (iv) has a practical heat exchange method; (v) is substantially less costly to manufacture, operate, and maintain; and, (vi) has a substantially improved reaction efficiency as a result of not mixing reactants with products.Type: ApplicationFiled: July 30, 2020Publication date: November 12, 2020Inventor: ADAM S. GOLDBERG
-
Publication number: 20200357529Abstract: A nuclear reactor (10) includes a vessel (12) containing a primary liquid, a core (14) comprising nuclear fuel and arranged in the internal volume of the vessel (12), at least one primary pump generating a main primary flow (56) of primary liquid in the vessel (12), at least one control member (16) for controlling the reactivity of the core (14), at least one movement mechanism (18) for moving the control member (16), arranged in the internal volume of the vessel (12) and linked to the control member (16), and a pressurizer (20) situated in a top portion of the vessel (12). The movement mechanism (18) comprises an electrical actuator and a transmission mechanism. The electrical actuator is completely immersed in the primary fluid and situated outside the main primary flow (56).Type: ApplicationFiled: February 8, 2019Publication date: November 12, 2020Inventors: Michel BRUN, Charles DUMANOIS
-
Publication number: 20200357530Abstract: A control rod drive mechanism for use in a nuclear reactor including a reactor core disposed in a pressure vessel, including a control rod configured for insertion into the reactor core, a lead screw, the control rod being secured to the bottom end of the lead screw, a drive mechanism including a torque tube having a top end and a bottom end, a pair of segment arms that are pivotably mounted to the torque tube, a pair of roller nuts, each roller nut being rotatably secured to the bottom end of a respective segment arm, and a drive motor including a stator and a rotor secured to the top end of the torque tube that includes a plurality of permanent magnets embedded therein, wherein the stator defines a central bore in which the rotor is disposed, and a latch coil assembly including a latch coil, wherein the latch coil assembly defines a central bore in which the top ends of the segment arms are disposed radially-inwardly of the latch coil.Type: ApplicationFiled: March 26, 2020Publication date: November 12, 2020Inventors: Earl Brian Barger, Scott Lee Fitzner, Roger Dale Ridgeway, Scott James Shargots
-
Publication number: 20200357531Abstract: An internal interface structure of a nuclear thermal propulsion nuclear reactor including a reactor vessel and a reactor head, including a substantially cylindrical body having a top end, a bottom end, an inner surface, and an outer surface, and an annular flange extending radially-outwardly from the outer surface of the body, wherein the annular flange of the interface structure is mounted between an upper flange of the reactor vessel and a bottom flange of the reactor head.Type: ApplicationFiled: March 19, 2020Publication date: November 12, 2020Inventors: James Brian Inman, Andrew C. Whitten
-
Publication number: 20200357532Abstract: Techniques for inspecting a weld of a nuclear waste canister include positioning a gamma ray image detector near a nuclear waste canister that encloses nuclear waste. The nuclear waste canister includes a housing that includes a volume in which the waste is enclosed and a top connected to the housing with at least one weld to seal the nuclear waste in the nuclear waste canister. The techniques further include receiving, at the gamma ray image detector, gamma rays from the nuclear waste that travel through one or more voids in the weld; generating an image of the received gamma rays with the gamma ray image detector; and based on the generated image, determining an integrity of the at least one weld.Type: ApplicationFiled: February 20, 2020Publication date: November 12, 2020Inventor: Richard A. Muller
-
Publication number: 20200357533Abstract: A waste material depositing system for depositing waste material into a sub-seabed sediment of an ocean floor. There is a penetrator including a first disposal stage and a second disposal stage. The first disposal stage having an outer shell disposed about a cavity, the cavity being shaped and sized to receive a waste disposal canister. The second disposal stage being removably coupled to a top end of the first disposal stage by an automatic disengagement device, and having: an outer cylinder, a plurality of second disposal fins disposed along a length of the outer cylinder, and an arrestor system coupled to a top portion of the outer cylinder.Type: ApplicationFiled: March 25, 2020Publication date: November 12, 2020Inventor: Craig Porter
-
Publication number: 20200357534Abstract: An atom interferometer system includes a sensor cell comprising alkali metal atoms. An optical system generates first and second interrogation beams having respective first and second frequencies and a circular polarization. The optical system includes optics that provide the first and second interrogation beams through the sensor cell in a first direction and reflect the first and second interrogation beams back through the sensor cell in a second direction opposite the first direction and in a same circular polarization to drive the alkali metal atoms from a first energy state to a greater energy state during an interrogation stage of sequential measurement cycles. A detection system detects a state distribution of a population of the alkali metal atoms between the first energy state and the second energy state during the interrogation stage based on an optical response.Type: ApplicationFiled: May 5, 2020Publication date: November 12, 2020Applicant: NORTHROP GRUMMAN SYSTEMS CORPORATIONInventors: MICHAEL S. LARSEN, THAD G. WALKER, JUSTIN M. BROWN
-
Publication number: 20200357535Abstract: Aluminum alloy wires with improved electrical conductivity and improved ultimate tensile strength are disclosed. The aluminum alloys include magnesium, silicon, and copper and are formed without a solution heat treatment. The aluminum alloy wires are useful as conductors for overhead transmission lines. Methods of making the aluminum alloy wires are further disclosed.Type: ApplicationFiled: May 10, 2019Publication date: November 12, 2020Inventors: Shenjia Zhang, Richard Stephen Baker, Janusz Stanislaw Sekunda, Nhon Q. Vo, Francisco U. Flores
-
Publication number: 20200357536Abstract: A conductor for power transportation comprises an elongated core constructed from a core material and an elongated conductive casing constructed from a conductive material. The elongated conductive casing is positioned around the elongated core and constructed from various layers of wires. Each layer of wires consists of a set of wires which are positioned next to each other, and at least a fraction of these wires being shaped in such a way that for the cross section of the wire. A circumscribed circle is filled only with between 50% and 90% of wire material. The cross section of the wire has a central portion filled with wire and a plurality of protrusions. The shape of these wires is such that the space taken up by these wires in the stack of wires in the layers is substantially cylindrical.Type: ApplicationFiled: November 21, 2018Publication date: November 12, 2020Inventor: Peter HERMANS
-
Publication number: 20200357537Abstract: Provided is an aluminum-based strand capable of suppressing corrosion caused by salt water, and a twisted wire conductor, a braided wire, and a wire harness in which the aluminum-based strand is used. The aluminum-based strand includes a strand main body portion, an inner layer, and an outer layer. The strand main body portion is constituted by an aluminum wire or an aluminum alloy wire. The inner layer is constituted by Zn or a Zn alloy, or Ni or a Ni alloy, and covers an outer circumferential surface of the strand main body portion. The outer layer is constituted by Sn or a Sn alloy, and covers an outer circumferential surface of the inner layer. In the aluminum-based strand, the outer layer has a pinhole ratio of 4% or less, and/or the inner layer has a thickness of 0.3 ?m or more.Type: ApplicationFiled: November 20, 2017Publication date: November 12, 2020Inventor: Kensuke YAMADA
-
Publication number: 20200357538Abstract: A low voltage power conductor can include a plurality of copper-clad aluminum wires braided into a power braid. The low voltage power conductor may be configured for use in a power distribution system for distributing power from an electrical grid, and can be attached to the transformer and the power distribution module at single respective attachment points. A low voltage power distribution system can include a low voltage power conductor and a clamp that includes a clamp body and a clamp spacer. Legs of the clamp spacer can be configured to limit deformation of the low voltage power conductor upon compression of the low voltage power conductor by the clamp.Type: ApplicationFiled: May 6, 2020Publication date: November 12, 2020Inventors: Pascal Godard, Frederic Bizet
-
Publication number: 20200357539Abstract: The present invention relates to a twisted pair cable in which a shape of a separator for separating a plurality of pairs of wires apart from each other is changed and which is thus easy to manufacture, has a simple configuration, and minimizes internal interference between the pairs of wires.Type: ApplicationFiled: January 22, 2018Publication date: November 12, 2020Inventors: Woo Kyoung LEE, Jung Jin KIM, Young Il CHO, Dong Man JEON
-
Publication number: 20200357540Abstract: A cable includes a first conductor and a first conductor isolation, wherein the first conductor includes at least a first break point between the first and second end of the cable and the first conductor isolation includes at least a second break point between the first and second end of the cable, the cable is configured so that the first conductor breaks at the at least first break point if the cable is exposed to a force that is above a first predetermined limit and first conductor isolation breaks at the at least second break point if the cable is exposed to a force that is above a second predetermined limit for avoiding hazardous electric shock after a crash of the vehicle.Type: ApplicationFiled: July 27, 2020Publication date: November 12, 2020Inventor: Linus HALLBERG
-
Publication number: 20200357541Abstract: A wire harness producing method configured to produce a wire harness by arranging a plurality of display devices end to end, each including a display portion and a bezel arranged around a periphery of the display portion, displaying a wire laying-out drawing on the display devices, and laying out an electric wire along the wire laying-out drawing. The method includes compartmentalizing a two-dimensional image of the wire harness into display regions to be displayed on the display portions of the display devices respectively and non-display regions corresponding to the bezels of the display devices respectively, with the display regions and the non-display regions conforming to sizes of the display portions and the bezels respectively, trimming the two-dimensional image to create wire laying-out image data composed of only the display regions, and displaying the wire laying-out drawing on the display devices, based on the wire laying-out image data.Type: ApplicationFiled: May 1, 2020Publication date: November 12, 2020Inventors: Kenji KAWASE, Masaru ISHIKAWA
-
Publication number: 20200357542Abstract: A wire harness producing device configured to produce a wire harness by displaying a wire laying-out drawing in a full size in a length direction on a plurality of display devices, and laying-out electric wires along the wire laying-out drawing. The device includes a displaying control section configured to look up operation recipe information configured as a database capable of identifying wire laying-out order numbers of the electric wires, and in turn display wire laying-out position indicators configured to indicate positions of the electric wires to be laid out, on the plurality of display devices, according to a wire laying-out order of the electric wires. The operation recipe information includes coordinate information for indicating displaying positions for the wire laying-out position indicators. The displaying control section is configured to display the wire laying-out position indicators, in the displaying positions indicated by the coordinate information on the plurality of display devices.Type: ApplicationFiled: May 1, 2020Publication date: November 12, 2020Inventor: Kenji KAWASE
-
Publication number: 20200357543Abstract: A PPTC device is provided. The PPTC device may include a first electrode and a second electrode, disposed opposite the first electrode. The PPTC device may include a PPTC layer, disposed between the first electrode and the second electrode, the PPTC layer comprising a polymer matrix formed from a thermoplastic polyurethane (TPU) material.Type: ApplicationFiled: July 29, 2020Publication date: November 12, 2020Applicant: Littelfuse, Inc.Inventors: Edward W. Rutter, JR., Yuriy B. Matus, Martin Pineda
-
Publication number: 20200357544Abstract: The present invention can provide light-colored magnetic particles having a zirconium oxide coating layer formed on a magnetic core, and having a silver coating layer formed on the zirconium oxide coating layer, and a part of the surface of the zirconium oxide coating layer is exposed to the outside, but chemical resistance is excellent, and thus the magnetic particles hardly cause a change of magnetic characteristics so as to be suitable for security elements.Type: ApplicationFiled: November 8, 2018Publication date: November 12, 2020Inventors: Hong Keon Kim, Won Gyun Choe, Su Dong Kim, Hyun Soo Kim, E Den Kim, Hye Jun Choi, Ju Hee Kang
-
Publication number: 20200357545Abstract: There are provided a rare-earth permanent magnet and a manufacturing method of a rare-earth permanent magnet capable of preventing deterioration of magnet properties. In the method, magnet material is milled into magnet powder. Next, a mixture 12 is prepared by mixing the magnet powder and a binder, and the mixture 12 is formed into a sheet-like shape to obtain a green sheet 14. Thereafter, magnetic field orientation is performed to the green sheet 14, which is then held for several hours in a non-oxidizing atmosphere at a pressure higher than normal atmospheric pressure, at 200 through 900 degrees Celsius for calcination. Thereafter, the calcined green sheet 14 is sintered at a sintering temperature. Thereby a permanent magnet 1 is manufactured.Type: ApplicationFiled: July 13, 2020Publication date: November 12, 2020Inventors: Katsuya KUME, Toshiaki OKUNO, Izumi OZEKI, Tomohiro OMURE, Takashi OZAKI, Keisuke TAIHAKU, Takashi YAMAMOTO
-
Publication number: 20200357546Abstract: A soft magnetic alloy or the like combines high saturated magnetic flux density, low coercive force and high magnetic permeability ??. A soft magnetic alloy having the composition formula (Fe(1?(?+?))X1?X2?)(1?(a+b+c+d+e))BaSibCcCudMe. X1 is one or more elements selected from the group consisting of Co and Ni, X2 is one or more elements selected from the group consisting of Al, Mn, Ag, Zn, Sn, As, Sb, Bi, N, O and rare earth elements, and M is one or more elements selected from the group consisting of Nb, Hf, Zr, Ta, Ti, Mo, ?? and V. 0.090?a?0.240, 0.Type: ApplicationFiled: August 21, 2018Publication date: November 12, 2020Applicant: TDK CORPORATIONInventors: Akihiro HARADA, Akito HASEGAWA, Kazuhiro YOSHIDOME, Kenji HORINO, Hiroyuki MATSUMOTO
-
Publication number: 20200357547Abstract: A soft magnetic alloy or the like combining high saturated magnetic flux density, low coercive force and high magnetic permeability ?? having the composition formula (Fe(1?(?+?))X1?X2?)(1?(a+b+c+d+e))BaSibCcCudMe. X1 is one more elements selected from the group consisting of Co and Ni, X2 is one or more elements selected from the group consisting of Al, Mn, Ag, Zn, Sn, As, Sb, Bi, N, O and rare earth elements, and M is one or more elements selected from the group consisting of Nb, Hf, Zr, Ta, Ti, Mo, W and V. 0.140<a?0.240, 0?b?0.030, 0<c<0.080, 0<d?0.020, 0?e?0.030, ??0, ??0, and 0??+??0.50 are satisfied.Type: ApplicationFiled: August 21, 2018Publication date: November 12, 2020Applicant: TDK CORPORATIONInventors: Akihiro HARADA, Akito HASEGAWA, Kazuhiro YOSHIDOME, Kenji HORINO, Hiroyuki MATSUMOTO
-
Publication number: 20200357548Abstract: One object is to lessen the difference between the direction of the magnetic flux and the easy direction of magnetization in a coil element and improve the effective permeability of the coil element. A coil element according to one element of the present invention includes: a coil conductor wound around a coil axis; at least one isotropic magnetic material layer provided on at least one of an upper surface and a lower surface of the coil conductor, the at least one isotropic magnetic material layer being made of an isotropic magnetic material; and at least one anisotropic magnetic material layer provided on an opposite surface of the at least one isotropic magnetic material layer to the coil conductor, the at least one anisotropic magnetic material layer being made of an anisotropic magnetic material having an easy direction of magnetization oriented perpendicular to the coil axis.Type: ApplicationFiled: July 28, 2020Publication date: November 12, 2020Inventors: Satoshi KOBAYASHI, Satoshi TOKUNAGA
-
Publication number: 20200357549Abstract: A magnetic device includes a winding, and insulators by which the winding is surrounded. Each of the insulators is in contact with the winding. A gap exists between each two adjacent of the insulators in a winding direction of the winding.Type: ApplicationFiled: July 29, 2020Publication date: November 12, 2020Inventors: Yoshitake NAKAGAWA, Takehiko YAMAKAWA, Motohiko FUJIMURA, Akira KATO, Kazuyuki SAKIYAMA
-
Publication number: 20200357550Abstract: A helical superconducting undulator includes a cylindrical magnetic core through which a bore hole allows the passage of charged particles. A single superconducting wire wraps the magnetic core guided by helical flights and cylindrical protrusions, to create interleaved helical windings on the magnetic core. An electrical current may be supplied to the superconducting wire to generate a periodic helical magnetic field in the bore. The helical superconducting undulator also includes a strong-back enclosure that acts as an epoxy mold during epoxy impregnation, a structural support to ensure straightness of the undulator after epoxy impregnation, and assists in cooling and thermal control of the magnetic core and superconducting wire during device operation.Type: ApplicationFiled: May 7, 2019Publication date: November 12, 2020Inventors: Efim Gluskin, Matthew Kasa, Yury Ivanyushenkov, Joel D. Fuerst
-
Publication number: 20200357551Abstract: A magnetic conductive coverplate of leakage type that may used in magnetic holding devices covers a holding surface of the magnetic holding device. The leakage type magnetic conductive coverplate is made integrally of a single magnetic conductive material. The leakage type magnetic conductive coverplate can conduct magnetic force of the holding device into a workpiece so as to hold it. Because the leakage type magnetic conductive coverplate is made integrally of a single magnetic conductive material, when there is any change in ambient temperature, no crevice will be produced due to different coefficients of expansion and contraction. Therefore, any coolant used in workpiece machining and any magnetic conductive impurities will not infiltrate into or enter the magnetic holding device to lose the internal insulation, thus effectively protecting the internal structure of the magnetic holding device and remarkably improving durability and service life of the magnetic holding device.Type: ApplicationFiled: February 22, 2018Publication date: November 12, 2020Applicant: SOPH INTERNATIONAL LIMITEDInventor: Hong Ding
-
Publication number: 20200357552Abstract: A current controller for controlling a current of a solenoid is applied to a solenoid valve with a self-regulating pressure function from a feedback force according to an output hydraulic pressure. The current controller includes a current detector configured to detect an actual current of the solenoid, a drive unit configured to energize the solenoid with a predetermined energization period according to a drive signal, a signal output unit that sets a duty ratio of the drive signal such that the actual current follows a target current, the signal output unit being configured to generate and output the drive signal, a target setting unit that applies a dither amplitude with a dither period longer than the energization period, and an oscillation determination unit that determines, based on a behavior of the actual current, whether excessive oscillation is occurring or is trending toward excessive oscillation.Type: ApplicationFiled: July 29, 2020Publication date: November 12, 2020Inventors: Fuminori SUZUKI, Yuta MIZUNO
-
Publication number: 20200357553Abstract: A solenoid valve comprising a valve portion and a solenoid portion. The valve portion has a pin, the pin having a groove. The solenoid portion has an aperture configured to receive the pin. A resilient locking device is located in the aperture, the resilient locking device configured to engage the groove when the pin has been inserted into the aperture to releasably hold the pin in the aperture. There is also a movable cap having a first and second position wherein, in the first position the movable cap does not abut the resilient locking device and wherein, in the second position, the movable cap abuts the resilient locking device so as to prevent movement of the resilient locking device out of the groove. A method of locking a valve portion to a solenoid portion of a solenoid valve is also disclosed.Type: ApplicationFiled: April 29, 2020Publication date: November 12, 2020Inventor: Nicolas Seuge
-
Publication number: 20200357554Abstract: An electromagnetic device for manipulating a magnetic-responsive robotic device, and an electromagnetic apparatus incorporate one or more such electromagnetic device. The electromagnetic device includes a magnetic core 200 having a first portion and a second portion extends from one side of the first portion. The first portion has a first cross section and defining a first central axis. The second portion has a second cross section smaller than the first cross section, and defines a second central axis parallel to the first central axis. A first electromagnetic coil is arranged around the first cylindrical portion. A second electromagnetic coil is arranged around the second cylindrical portion.Type: ApplicationFiled: May 8, 2019Publication date: November 12, 2020Inventors: Dong Sun, Dongfang Li
-
Publication number: 20200357555Abstract: A magnetic material is constituted of a ferromagnetic or ferrimagnetic insulator in a double perovskite structure of Sr3-xAxOs1-yByO6 (0.5?x?0.5, ?0.5?y?0.5). A is an alkali metal or alkaline earth metal atom, and B is a transition metal atom, alkali metal atom, or alkaline earth metal atom). The insulator may be Sr3OsO6, where x=y=0 in the above formula. Sr3OsO6 is formed to have a cubic crystal structure where strontium atoms, osmium atoms, and oxygen atoms are arranged at lattice points.Type: ApplicationFiled: February 15, 2019Publication date: November 12, 2020Inventors: Yuki Wakabayashi, Yoshiharu Krockenberger, Hideki Yamamoto, Yoshitaka Taniyasu
-
Publication number: 20200357556Abstract: A magnetic nano oscillating device, according to an embodiment of the present invention, comprises: a ferromagnetic layer disposed on a substrate; a non-magnetic conductive layer laminated on the ferromagnetic layer; an antiferromagnetic layer (or a ferrimagnetic layer) laminated on the non-magnetic conductive layer; and first and second electrodes respectively contacting both side surfaces of the ferromagnetic layer and the non-magnetic conductive layer.Type: ApplicationFiled: July 27, 2020Publication date: November 12, 2020Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Kyung-Jin LEE, Byong Guk PARK, Dong-Kyu LEE
-
Publication number: 20200357557Abstract: A multilayer coil component 1 includes an element body 2 having a plurality of stacked insulator layers 6 and having an outer surface provided with recessed portions 7 and 8, a coil 9 disposed in the element body 2, and terminal electrodes 4 and 5 connected to the coil 9 and disposed in the recessed portions 7 and 8. The recessed portions 7 and 8 are defined by a bottom surface and a side surface extending in a depth direction of the recessed portions 7 and 8 over the outer surface and the bottom surface, the terminal electrodes 4 and 5 have a first surface facing the bottom surface and a second surface facing the side surface, and a connection region A where a compound of elements constituting the element body 2 and a metal component are mixed is exposed to the second surface.Type: ApplicationFiled: April 21, 2020Publication date: November 12, 2020Applicant: TDK CORPORATIONInventors: Yuto SHIGA, Yoji TOZAWA, Masaki TAKAHASHI, Takashi ENDO, Hajime KATO
-
Publication number: 20200357558Abstract: A reactor capable of suppressing a deformation of a resin material in a gap between partial cores is provided. This reactor includes: a core that includes T-shaped cores which are at least a pair of partial cores disposed via the gap therebetween; a coil attached to respective parts of the T-shaped cores; and a core casing that is a core molding member which is formed integrally by a resin material and which covers the T-shaped cores. The core casing includes the coupling portion that is provided between the T-shaped cores at a location corresponding to the gap, and the coupling portion is provided with a through-hole, and a pair of connection portions which face with each other across the through-hole and which connects a space between the T-shaped cores.Type: ApplicationFiled: January 16, 2019Publication date: November 12, 2020Inventors: Kotaro SUZUKI, Yasuhiro UEKUSA
-
Publication number: 20200357559Abstract: A transformer for mounting on a mast of an air-insulated energy distribution network has a core which is protected against corrosion and environmental influences, while at the same time stable retention is provided. The transformer contains a winding block having a solid insulating body, in which at least one upper voltage winding and at least one lower voltage winding are arranged. The winding block delimits a completely peripherally closed central retention opening. Furthermore, a core unit is provided which has at least one magnetizable core and is inductively coupled to each lower voltage winding by each upper voltage winding. The core unit extends through the retention opening via at least one core leg and annularly extends around the winding block on the outside by a ring portion. Retention devices are provided for fastening the ring portion to the mast.Type: ApplicationFiled: October 24, 2018Publication date: November 12, 2020Inventors: ANDRE LUIZ MORENO, MARTIN ALSINA NAVARRO, RICHARD SILLE
-
Publication number: 20200357560Abstract: An inductive assembly is provided with a heat exchanger and an inductor. A thermally conductive adhesive is disposed upon a surface of the inductor and bonded to the heat exchanger to transfer heat from the inductor to the heat exchanger. An inductive coil assembly is provided with a frame. A post is connected to the frame. At least one inductive coil is installed upon the post. A thermally conductive coating is disposed over the at least one inductive coil.Type: ApplicationFiled: May 8, 2019Publication date: November 12, 2020Inventors: Enric APARICIO ROLLAN, Jose Antonio CUBERO PITEL, Vasile GICA, Ramon SANCHEZ ROVIRA
-
Publication number: 20200357561Abstract: A transformer for use in a rail vehicle and/or for rail applications, including a core which is at least partially surrounded by at least one coil is, with regard to the objective of providing a transformer in which the geometry of a coil can be selected to be as variable as possible, characterized in that the core is produced from individual segments, wherein the total cross-sectional surface-area of the core is greater than or equal to the sum of the individual cross-sectional surface-areas of the segments and wherein at least two individual cross-sectional surface-areas differ from each other and/or from the total cross-sectional surface-area in terms of their size and/or geometric shape.Type: ApplicationFiled: November 7, 2018Publication date: November 12, 2020Inventors: Frank Cornelius, Wolfgang Mönig
-
Publication number: 20200357562Abstract: Provided is a reactor having a core main body that includes an outer peripheral iron core, at least three iron cores, and coils. Between the iron cores adjacent to each other, a gap being magnetically coupled is formed. The reactor includes a fixture that fixes both end portions of the at least three iron cores together by passing through an interior of the outer peripheral iron core in a region between the outer peripheral iron core and the gap. The fixture includes plate-like members disposed on both end faces of the core main body and includes rod-like members that connect the plate-like members to each other by passing through the interior of the outer peripheral iron core. The plate-like members each include a protrusion extending axially inward of the core main body.Type: ApplicationFiled: April 2, 2020Publication date: November 12, 2020Applicant: Fanuc CorporationInventors: Kenichi Tsukada, Tomokazu Yoshida
-
Publication number: 20200357563Abstract: A broadside coupled coplanar inductor device includes first and second coplanar inductors in which the conductors of the first and second coplanar inductors are broadside coupled. The conductors are located one above the other at a first distance and the return paths are located to the side of the respective first and second conductor signal paths at a second distance. One or both of the dimensions of the first and second first distances is defined so as to maximize a mutual inductance between the conductors. First and second driver circuit apply voltages across each conductor. The input pulse width modulation signals applied to the first and second driver circuits are 180 degrees out of phase.Type: ApplicationFiled: May 7, 2019Publication date: November 12, 2020Inventors: Todd E. Takken, Xin Zhang
-
Publication number: 20200357564Abstract: A transformer includes: an upper primary substrate (110) which is formed by stacking a plurality of dielectric substrates, each substrate being provided with spiral conductive patterns; a lower secondary substrate (120) which is formed by stacking a plurality of dielectric substrates, each substrate being provided with spiral conductive patterns, in which the lower secondary substrate is positioned below the upper primary substrate (110) in such a way that the lower secondary substrate comes into contact with the upper primary substrate (110) or is spaced apart from the upper primary substrate (110); and a secondary coil element (200) of a planar shape to produce an induced current by a current applied to the upper primary substrate (110) and the lower primary substrate (120).Type: ApplicationFiled: November 27, 2019Publication date: November 12, 2020Inventors: Eun Sik KIM, Jun Kyu Lee, Changyong Kwon, Dong-kyun Ryu, Sang-keun Ji, Taeksoo Han, Jung Soo Lee
-
Publication number: 20200357565Abstract: A coil electronic component includes a body having a first surface and a second surface, opposing each other, and a third surface connecting the first surface and the second surface to each other, an insulating substrate disposed inside the body, a coil portion disposed on the insulating substrate, a first lead-out portion extending from one end portion of the coil portion and having a first spaced portion and a second spaced portion separate from each other by a first slit, whereby the first and second spaced portions are respectively exposed to the first surface and the third surface of the body, and a second lead-out portion extending from the other end portion of the coil portion and having a third spaced portion and a fourth spaced portion separate from each other by a second slit, whereby the third and fourth spaced portions are respectively exposed to the second surface and a third surface of the body.Type: ApplicationFiled: August 7, 2019Publication date: November 12, 2020Inventors: Yong Hui LI, Byung Soo KANG
-
Publication number: 20200357566Abstract: A winding unit for connecting to a high-voltage grid or network includes a winding embedded in a solid insulating body and a first main connection terminal connected to a first winding end of the winding and disposed on a first support formed on the insulating body. A second main connection terminal is connected to a second winding end of the winding. The winding has partial windings and taps for adjusting the number of windings of the partial windings connected in series. Outgoing lines extending in the insulating body connect the taps to a tap connection terminal accessible from the outside. The tap connection terminals are formed on the support in order to encapsulate the higher voltage in a resin block over the entire periphery by using a shielding cage.Type: ApplicationFiled: October 24, 2018Publication date: November 12, 2020Inventors: ANDRE LUIZ MORENO, MARTIN ALSINA NAVARRO, RICHARD SILLE
-
Publication number: 20200357567Abstract: In a cost-effective and qualitatively better method for producing spacers for a winding unit of an electrical high-voltage device, at least two starting components are mixed together in a mixing chamber under vacuum to form a component mixture. The component mixture is transferred to an extrusion housing, likewise under vacuum, of an extruder in which a transport device is arranged and which is equipped with a mouthpiece delimiting an outlet opening. The extrudate exiting from the mouthpiece is cured by the addition of heat in a vacuum in order to obtain the spacers.Type: ApplicationFiled: October 24, 2018Publication date: November 12, 2020Inventors: ANDRE LUIZ MORENO, MARTIN ALSINA NAVARRO, RICHARD SILLE
-
Publication number: 20200357568Abstract: Various embodiments include a winding arrangement for at least two interleaved-switching power-electronics converters comprising: a winding core with two partial elements separated from each other by an air gap in the region of mutually facing end surfaces and two windings wound around the winding core to compensate for a DC component of a magnetic flux produced by the two windings during operation of the power-electronics converter. The two windings include strip windings. A winding window of each respective winding is arranged in a segment of the winding core that does not span the air gap.Type: ApplicationFiled: November 2, 2018Publication date: November 12, 2020Applicant: Siemens AktiengesellschaftInventors: Monika Poebl, Thomas Komma
-
Publication number: 20200357569Abstract: A coil arrangement with reduced core losses is provided. The coil arrangement has a first coil and a second coil and a ferrite layer below the coils. A perpendicular recess in the ferrite layer is provided to reduce magnetic flux density in a center conduction path.Type: ApplicationFiled: January 19, 2018Publication date: November 12, 2020Applicant: TDK Electronics AGInventor: Thomas LOHMANN
-
Publication number: 20200357570Abstract: A multilayer electronic component includes: a multilayer stack including a plurality of dielectric layers and a plurality of conductor layers stacked together; a plurality of terminals integrated with the multilayer stack; and a shield formed of a conductor and integrated with the multilayer stack. The multilayer stack has a top surface, a bottom surface, and four side surfaces connecting the top surface and the bottom surface. The plurality of terminals are provided on the bottom surface of the multilayer stack. The shield entirely covers the top surface and the four side surfaces of the multilayer stack. The shield includes a portion that is thicker than the other portions of the shield.Type: ApplicationFiled: July 30, 2020Publication date: November 12, 2020Applicant: TDK CORPORATIONInventors: Shohei KUSUMOTO, Noriaki OOTSUKA, Minoru ABE, Yoshinori SATO
-
Publication number: 20200357571Abstract: A transformer structure is disclosed to reduce common mode noise on an output load. The transformer structure includes a bobbin mounted on a magnetic core, a plurality of windings wound around the bobbin. The plurality of windings include a primary winding coupled to receive an input voltage, a secondary winding coupled to an output load; and a floating auxiliary winding located between the primary and secondary winding. The floating auxiliary winding includes a first terminal and a second terminal coupled to a pair of external float wires extended towards an isolation mounting sheet placed adjacent to an exterior top surface of the transformer structure. The pair of external float wires forms parallel adjacent and open-ended conductive traces with a predefined pattern on the isolation mounting sheet placed above the exterior surface of the transformer structure.Type: ApplicationFiled: May 6, 2019Publication date: November 12, 2020Applicant: Power Integrations, Inc.Inventor: Kyunghoon Hwang
-
Publication number: 20200357572Abstract: A vacuum-capacitor-type instrument voltage transformer (1) is equipped with a main capacitor (2) and an insulating tube (3) that accommodates the main capacitor (2). A voltage dividing capacitor (4) is connected to the main capacitor (2) in series. The main capacitor (2) is equipped with a plurality of vacuum capacitors (2a) to (2c) that are connected in series. A high-voltage-side electrode (6) is provided on a high-voltage side of the insulating tube (3), and a ground-side electrode (7) is provided on its low-voltage side. The high-voltage-side electrode (6) is equipped with a high-voltage shield (8). Electrostatic capacity of the vacuum capacitor (for example, the vacuum capacitor (2a)) disposed on the high-voltage side is set to be greater than electrostatic capacity of the vacuum capacitor (for example, the vacuum capacitor (2b)) disposed on the low-voltage side.Type: ApplicationFiled: October 16, 2018Publication date: November 12, 2020Applicant: MEIDENSHA CORPORATIONInventors: Osamu TAKEYA, Yoshiyuki TANIMIZU, Toshimasa FUKAI, Toshinori TATSUMI, Toru TANIMIZU
-
Publication number: 20200357573Abstract: A ceramic electronic device includes: a multilayer structure in which each of dielectric layers and each of internal electrode layers are alternately stacked, a main component of the dielectric layers being ceramic, wherein a relationship of IA/IB>1.40 is satisfied in a TSDC (Thermally Stimulated Depolarization Currents) of temperature elevation rate of 10 degrees C./min under a condition of 130 degrees C., 5 V/?m and a polarization of 30 min, when a peak current value on a lower temperature side in a temperature range of 130 degrees C. to 190 degrees C. is IA and a peak current value on a higher temperature side in a temperature range of 190 degrees C. to 280 degrees C. is IB.Type: ApplicationFiled: April 27, 2020Publication date: November 12, 2020Inventor: Koichiro MORITA
-
Publication number: 20200357574Abstract: A multilayer ceramic electronic device includes: a ceramic main body having a laminated body and a pair of side margin parts that respectively cover left and right side surfaces of the laminated body, the laminated body including a plurality of internal electrodes laminated in a vertical direction, side ends of each of the internal electrodes reaching and being flush with the respective side surfaces of the laminated body within a range of 0.5 um ?m in the widthwise direction; and a pair of external electrodes respectively covering end surfaces of the ceramic main body, wherein a width dimension W of the multilayer ceramic electronic device in the widthwise direction is greater than a length dimension L of the multilayer ceramic electronic device in the lengthwise direction.Type: ApplicationFiled: May 8, 2020Publication date: November 12, 2020Applicant: TAIYO YUDEN CO., LTD.Inventors: Shota TANAKA, Joji KOBAYASHI, Toshimitsu KOGURE
-
Publication number: 20200357575Abstract: A multilayer ceramic electronic component includes: a ceramic body having a dielectric layer, and a plurality of first and second internal electrodes facing each other with the dielectric layer interposed therebetween; and first and second external electrodes disposed on an outer surface of the ceramic body, respectively. The ceramic body includes an active portion including a plurality of internal electrodes facing each other with the dielectric layer interposed therebetween to form capacitance, and cover portions formed on upper and lower portions of the active portion. A buffer region is disposed between at least one pair of first and second internal electrodes among the plurality of first and second internal electrodes disposed inside the active portion, and satisfies the relation 0<tb<150 ?m+td, where td is a thickness of the dielectric layer, and tb is a thickness of the buffer region.Type: ApplicationFiled: July 30, 2020Publication date: November 12, 2020Inventors: Kyeong Jun KIM, Jang Hyun LEE, Hae Suk CHUNG, Do LEE, Byung Sung KANG, Ho In JUN
-
Publication number: 20200357576Abstract: A multilayer electronic component includes a body having a stacked structure in which a plurality of internal electrodes and dielectric layers are alternately stacked; and external electrodes disposed on an outer surface of the body and connected to the internal electrodes. The dielectric layer includes a plurality of grains and a plurality of graphene particles, and the plurality of graphene particles are disposed at boundaries of the plurality of grains.Type: ApplicationFiled: July 30, 2020Publication date: November 12, 2020Inventors: Yu Ra SHIN, Myeong Gi KIM, Eung Soo KIM, Hak Kwan KIM, Jang Yeol LEE, Seong Min CHIN