Abstract: A method for producing an electromotor includes: producing laminated cores to form a segmented part including teeth and grooves, two adjacent laminated cores having a partial tooth at ends arranged at a transition point between the two laminated cores; arranging the laminated cores to form a transition tooth from the partial teeth at the transition point of the two adjacent laminated cores; enclosing of each transition tooth by a transition coil; supplying heat at each transition coil to make adhesive an outer thermoplastic layer surrounding a conductor wire of each transition coil and applying pressure to each transition coil in a direction of a floor of the two grooves surrounding each transition tooth to press together the two partial teeth forming the transition tooth; and hardening the outer thermoplastic layer.

Abstract: A method and device for wire termination on stators (1) wherein the wire (15) is wound about poles (6) distributed by a flyer (10), guided by shrouds (16) that move radially with respect to the stator (1) overlapping the respective pole (6). Wire termination operations are provided on the wire ends (15) into the terminals (4) with the aid of the flyer (10), carried out by an apparatus equipped with a termination device (20), comprising a first deflector (21), a second deflector (22), a blade (23), and a clamp formed by a movable gripper (24) and a fixed gripper (25). The movable gripper is suitable for closing onto the fixed gripper for gripping the wire (15). The device (20) can carry out the steps of catching, moving, introducing and cutting the wire (15) with movements parallel to its own axis (27), or to the axis (7) of the stator (1).

Abstract: [Task] There are provided a coil that is simple in structure and excellent in high frequency characteristics and a method for manufacturing the same. [Means for Resolution] The coil includes a plurality of conductor patterns 11 formed at an interval from each other on a substrate 21, and metal wires 12 that electrically connect an end of one conductor pattern of conductor patterns adjacent to each other with an end of the other conductor pattern that is an end opposite to the end of the one conductor pattern. One or more spiral shapes are formed by two or more conductor patterns 11 and one or more metal wires 12. The coil includes a core material 13 that is arranged at least in a portion inside a space surrounded by one or more spiral shapes to cover the outer peripheries of the metal wires 12 at least over a predetermined range.

Abstract: The torque sensor includes a plurality of coil units having a substantially cylindrical shape, the coil units including a plurality of detection coils arranged to face a magnetic characteristic change portion formed on a rotary shaft. The coil units include a first coil unit and a second coil unit, and the first coil unit and the second coil unit are disposed in the axial direction of the shaft. The first coil unit and the second coil unit are fixed in an integrally molded resin. Thereby, there is provided a torque sensor having a high productivity and an easy configuration and a method of manufacturing the torque sensor.

Abstract: A coil manufacturing method for manufacturing a wave wound coil in a substantially cylindrical shape by shaping a linear conductor with a cross-sectional shape having directionality, includes: transferring a linear wave conductor shaped in a substantially rectangular waveform, and having straight side portions extending in a wave width direction, one-side connecting portions sequentially connecting every other pair of adjacent side portions at ends on a one wave width direction side, and other-side connecting portions sequentially connecting pairs of adjacent side portions that are not connected by the one-side connecting portions at ends on an other wave width direction side; first bending the one-side and second bending the other-side connection portions so that the side portions are arranged along a coil circumferential direction, and directions of cross-sectional shapes of the side portions are in a constant direction with respect to a coil radial direction; and winding the bent wave conductor on a bobbin

Abstract: A transformer transporting/assembling method comprises a transportation step of transporting a U-shaped iron core with an iron plate horizontally extending to a place near an installation site and an erection step of erecting the U-shaped iron core together with an erection tank from a state that the iron plate extends horizontally to a state that the iron plate extend vertically, with the U-shaped iron core contained in the erection tank. The erection step includes a sub-step in which a portal lifter composed of two booms which are vertically expandable and parallel movable with a predetermined distance therebetween and between which the erection tank is disposed and a beam horizontally connecting the two booms and vertically moved as the booms expands or contracts is used, the beam supports the erection tank through a flexible member at predetermined support portions, and the beam is vertically moved by expanding/contracting the booms.

Abstract: Traditional methods of making headlamp coils have left a portion of the coils with slightly irregular forms. These irregularities can result in defects in the ultimate beam pattern. Accommodating these defects in robust lamp and headlamp optical systems can reduce the performance that might otherwise be available. The preferred coil is therefore continuously coiled as a straight body, and carefully cut into segments. Subsequently, legs are welded to the coil segment ends. The coil is then left substantially undistorted by the manufacturing process that would otherwise normally leave a portion of the coils distorted. The method particularly enables a functional center leg coil.

Abstract: In a method for manufacturing pencil cores a continuous strip of electrical steel is provided. The continuous strip is cut to create a plurality of starting strips as laminations each having a length longer than a desired length of the pencil cores and at least one of the strips having a strip width at least equal to or larger than a desired diameter of a cross-section of the pencil cores. The starting strips are provided with a bonding layer. The starting strips are stacked and then heated and cured to create a bonded stack. The bonded stack is machined to a substantially circular cross-section. Without a de-burring or de-smearing operation after the machining, the machined bonded stack is cut to create a plurality of pencil cores of the desired length. The pencil cores created by the method are substantially round, and have no welds at end faces.

Abstract: A method of A production method including interdiffusion of a Ni component in a magnetic layer and a Zn component in a nonmagnetic sheet to form an interdiffusion layer in a region of the nonmagnetic sheet inside a conductive pattern. This method allows the interdiffusion layer to be formed without need for complicated processing of the nonmagnetic sheet. Furthermore, there is no boundary region between the magnetic layer and the nonmagnetic sheet around it. The nonmagnetic layer is located between turns of a coiled conductor to suppress degradation of dc bias characteristics and a magnetic body penetrates in a region inside the coiled conductor to suppress reduction in inductance due to provision of the nonmagnetic layer between turns of the coiled conductor.

Abstract: A damascene process is utilized to fabricate the segmented magnetic core elements of an integrated circuit inductor structure. The magnetic core is electroplated from a seed layer that is conformal with a permanent dielectric mold that results in sidewall plating defining an easy magnetic axis. The hard axis runs parallel to the longitudinal axis of the core and the inductor coils are orthogonal to the core's longitudinal axis. The magnetic field generated by the inductor coils is, therefore, parallel and self-aligned to the hard magnetic axis. The easy axis is enhanced by electroplating in an applied magnetic field parallel to the easy axis.

Abstract: A method for assembling a magneto generator, the method including forming a plurality of permanent magnets, wherein at least one of the plurality of the permanent magnets is formed by dividing, in a radial direction, a magnet main body into a plurality of magnet pieces, mounting the formed plurality of the permanent magnets on an inner circumferential wall surface of a bowl-shaped flywheel, disposing a stator core having a plurality of teeth that project radially outward, inside said mounted plurality of the permanent magnets, and winding conductive wire onto each of the plurality of the teeth, thereby producing a generating coil.

Abstract: There is provided a rotating electric machine capable of reducing torque pulsation, even when a slight stepped portion is present in an inner diameter shape of a stator core formed by allowing split cores divided in every magnetic pole to be in an annular shape. The stator core is formed by stacking a plurality of laminates prepared by stack of split core members formed by punching steel sheets and arranged in an annular shape in a state where the laminates are rotated one another by a predetermined angle. With such a configuration, it is possible to mutually offset torque pulsation components caused by the shape asymmetry of the laminates and reduce the torque pulsation components of the stator core on the whole.

Abstract: An apparatus including a coil configured to allow a flow of electrical current therethrough to generate a magnetic field, and a composite material configured to increase the strength of the magnetic field relative to that which could be generated by the coil without the composite material, the composite material including a plurality of magnetic particles having a mean maximum dimension of less than 100 nm dispersed within a dielectric binder.

Abstract: A method of manufacturing an inductor includes a lamination step, a division step, a firing step, and a plating step. In the lamination step, a laminate including an insulator, a coil body, and external electrodes is formed. That is, in the lamination step, insulating layers having wide filling conductors, insulating layers having narrow filling conductors, and conductor patterns having external electrode patterns are laminated. As a result, the conductor patterns form the coil body, and the wide filling conductors, the narrow filling conductors, and the external electrode patterns form the external electrodes. The narrow filling conductors have a width that is less than the widths of the wide filling conductors and the external electrode patterns, and recesses and projections are provided in the external electrodes.

Abstract: A coil-holding assembly for an electrical machine has coil holders made of plastic and on which coils of a stator can be wound. The coil holders are formed and pivotal on an outer edge of a planar central plastic support by integral film hinges between a winding position parallel to a plane of the support and a bent-up position perpendicular to the plane. Thus the coils can be wound on the holders in the parallel position thereof and the holders are then moved into the bent-up position for use in the electric machine.

Abstract: A magnetic device includes a magnetic core assembly and at least one conductive winding assembly. The magnetic core assembly includes a first magnetic core and a second magnetic core. The first magnetic core includes a first magnetic slab, a first lateral post and a second lateral post. The first lateral post and the second lateral post are disposed on opposite sides of the first magnetic slab so that an accommodating space is collectively defined by the first magnetic slab, the first lateral post and the second lateral post. The second magnetic core includes a second magnetic slab and a middle post. The middle post is attached on the second magnetic slab, and received within the accommodating space of the first magnetic core. The at least one conductive winding assembly is directly wound around the middle post of the second magnetic core.

Abstract: A multi-turn coil device comprising a flexible circuit board and a plurality of serially electrically coupled coils coupled to both sides of the flexible circuit board. The coils are formed such that when the circuit board is folded in an accordion manner, the coils are substantially aligned and have the same direction of current flow. The coils are serially coupled sequentially from front to back and back to front wherein the coupling of the coils is through a plated through hole in the flexible circuit board.

Abstract: A conductive winding structure, the fabricating method thereof, and the magnetic device having the same. The method for fabricating the conductive winding structure includes: (a) providing a mold with a plurality of extension portions and a plurality of protrusions, the plurality of extension portions are connected to each other as a continuous spiral structure, and the plurality of protrusions extend from the plurality of extension portions; (b) performing an electroforming procedure to form a conductive layer on partial surface of the mold; and (c) stripping the conductive layer from the mold, so as to obtain the conductive winding structure.

Abstract: A magnetometer is described, having a substrate and a magnetic core, the substrate having an excitation coil for generating a magnetic flux in the magnetic core; and the excitation coil having a coil cross section, which is aligned generally perpendicular to a main plane of extension of the substrate. The magnetic core is situated outside the coil cross section.

Abstract: A method of inserting an undulating winding into an alternator stator. The method comprises the following steps consisting of shaping each phase winding into a succession of crenels comprising two lateral branches which are intended to be attached at a position for reception in a slot, positioning the windings on an insertion tool and inserting the turns into the slots of the stator in the reverse order to the winding order. The windings are wound around the insertion tool simultaneously, and the turns that succeed one another in a determined winding order belong alternatively to different windings.

Abstract: A method, and apparatus, wherein an effect of establishing electrodes in a region of a liquid is achieved by providing a core of magnetically-conductive material around a lateral wall containing the region of the liquid, the core of magnetically conductive material passing through a primary coil energised by an electrical signal, and wherein respective parts of the region of the liquid on opposite sides of the magnetically conductive core are connected by a passage containing the liquid, the passage and liquid affording a selected electrical resistance.

Abstract: There is provided a rotating electric machine capable of reducing torque pulsation, even when a slight stepped portion is present in an inner diameter shape of a stator core formed by allowing coupling split cores divided in every magnetic pole to be in an annular shape. The stator core is formed by stacking a plurality of laminates prepared by stack of coupling split core members formed by punching steel sheets in an annularly arranged shape in a state where the laminates are rotated one another by a predetermined angle. With such a configuration, it is possible to mutually offset torque pulsation components caused by the shape asymmetry of the laminates and reduce the torque pulsation components of the stator core on the whole.

Abstract: A method of assembling an electronic component in accordance with the invention comprises providing an electronic component having a body and a core and applying a film over at least a portion of the body and core so that the film secures the body and core to one another.

Abstract: A transformer for converting 3 phase AC to 9 phase AC power is provided. The transformer comprising a laminated core, first, second and third coils constructed on the laminated core, each coil including several windings. Cooling ducts are provided in each coil, wherein at least one cooling duct is disposed between the laminated core and an adjacent winding of the respective coil. The transformer further includes first, second and third input terminals each linked to the first, second and third coils, and configured to receive a first, second and third phases of input AC power and first through ninth output terminals linkable to first through ninth output power lines.

Abstract: A method of producing a former for winding a magnet coil, which former has a pattern of recess-defining ridges that define at least one recess into which wire may be wound to form a magnet coil. The method includes the steps of: producing an accurately machined tool bearing protrusions conforming to an inverse of said pattern of recess-defining ridges; producing said former by molding material against said accurately machined tool; and separating the former from the accurately machined tool. The invention also provides a method of producing a magnet coil employing the former so produced.

Abstract: A method for forming a microcoil includes attaching a conducting trace of conductive material to a film of insulating material and affixing an attaching trace of conductive material to the film, wherein the attaching trace is electrically isolated from the conducting trace of conductive material. The method also includes operably coupling the attaching trace to a mandrel prior to rolling of the mandrel and rolling the mandrel with the attaching trace attached thereto to circumferentially wrap the conducting trace of conductive material more than one revolution around a longitudinal axis of rolling. The attaching trace remains electrically isolated from the conducting trace after rolling the mandrel.

Abstract: There is disclosed a method of manufacturing a stator for a dynamoelectric machine. The method includes a step of mounting a hollow cylindrical electric wire assembly, which includes a plurality of straight stacked portions of shaped electric wires, to a hollow cylindrical stator core that includes a plurality of slots formed in the radially inner surface thereof. The mounting step includes: (1) placing the electric wire assembly radially inside of the stator core so that each of the straight stacked portions of the electric wire assembly is radially aligned with a corresponding one of the slots of the stator core; and (2) radially expanding the electric wire assembly to insert the straight stacked portions of the electric wire assembly into the corresponding slots of the stator core.

Abstract: A transformer of dry design is disclosed having a core composed of amorphous material, which is sensitive to mechanical loads, having at least one winding former which surrounds the core and is in each case formed from at least one primary winding and secondary winding, and having at least one holding apparatus. A method for transformer production is also disclosed, wherein the holding apparatus is used to fix the at least one primary winding and secondary winding in each case and for this purpose it acts on each of the end faces of the at least one winding former.

Abstract: A method of forming an encapsulated coupled coil arrangement. The method includes coupling a first lead of a first coil to a second lead of an electrical circuit device, by soldering or infusion, using a superconductive jointing alloy; and encapsulating the first coil, the electrical circuit device and the jointed leads of the first coil and the electrical circuit device in an encapsulation material. The jointing alloy has a melting point higher than a highest temperature experienced by the encapsulation material during the encapsulation process.

Abstract: A method of producing a laminated variant-shaped core 10, includes punching out core sheets 12-14 from a strip 11 to form the outlines of the core sheets 12-14, and push back the punched out core sheets 12-14 into the strip 11; forming cutouts 28, 30 and 32 reaching outer peripheries of outer plates 27, 29 and 31, the outer plates 27, 29 and 31 being the same in outer shape and respectively containing thereinside the core sheets 12-14, the cutouts 28, 30 and 32 having inner edges respectively in contact with the core sheets 12-14; forming caulking portions 21 in each of the core sheets 12-14 and caulking portions 33 in each of the outer plates 27, 29 and 31; punching out the outer plates 27, 29 and 31 from the strip 11 to form the outlines of the outer plates 27, 29 and 31, and laminating and interlocking the core sheets 12-14 to form the variant-shaped laminated core 10 and laminating and interlocking the outer plates 27, 29 and 31; and removing the outer plates 27, 29 and 31 located outside the laminated an

Abstract: A method of manufacturing a stator coil including shaping a plurality of shaped bodies from electric conductor wires; combining the shaped bodies to form a combined body; and winding the combined body around a core member to form a wound body. The shaped body includes a plurality of parallel straight portions extending along a longitudinal direction of the combined body, and a plurality of turn portions connecting straight portions at ends of the straight portions in an alternating manner. Each of the shaped bodies includes a plurality of straight overlap sections. The wound body includes a plurality of straight laminated sections formed from the plurality of straight overlap sections laminated in a radial direction. Pre-orientation members are inserted respectively into consecutive clearances formed between adjacent straight overlap sections during the winding step, so overlap of the straight portions in the straight overlap section caught between said pre-orientation members is aligned.

Abstract: Transformer core manufacturing apparatus and method having magnetic thin plates aligned with high accuracy are provided for manufacturing the transformer core using the thin and lightweight magnetic plates.

Abstract: A method of manufacturing a triple-winding layer arrangement for a three-phase, four pole motor is provided.

Abstract: A coil component having an easily discernible orientation, and a method of producing such a coil component that facilitates the injection of resin. A coil component includes a core with a winding portion, first and second flanges disposed on either end of the winding portion, and a winding accommodating region defined by the winding portion and the first and second flanges, terminal electrodes disposed on the second flange and a winding wound about the winding portion and connected to the terminal electrodes. An insulating resin is formed over the winding at the winding accommodating region. A marker made from a material the same as the insulating resin is provided at outer peripheral surface of the flanges.

Abstract: Methods of manufacture of integrated circuit inductors having slotted magnetic material will be described. The methods may employ electro- or electroless plating techniques to form a layer or layers of magnetic material within the slotted magnetic material structure, and in particular those magnetic material layers adjacent to insulator layers.

Abstract: The disclosure relates to the realization of stable electrical connections between coils and a commutator without causing slackening of the coils wound on individual magnetic teeth. An armature of a rotary motor includes an armature core structured splittably into magnetic tooth members which are individually wound by concentrated-winding type coils, and a commutator having the same number of segments as the number of the magnetic tooth members, the individual segments having connecting terminals, wherein an end portion of the coil concentratedly wound on one of the magnetic tooth members is connected generally in a straight line to the connecting terminal of the segment which is located at a position offset in a circumferential direction by a specific angle from the aforementioned one magnetic tooth member, and a conductor line connected to the connecting terminal of the segment is concentratedly wound on another magnetic tooth member adjacent to the aforementioned one magnetic tooth member.

Abstract: A cooling device for an electrical apparatus having an air gap. The cooling device includes a heat transfer element coupled to the core. The heat transfer element includes a first material to facilitate transferring heat out of the core. The cooling device further includes an electrical insulator coupled to the heat transfer element. The insulator includes a second material to facilitate flow of magnetic flux across the air gap.

Abstract: A manufacturing method of a rotor of and AC generator for a vehicle according to the invention includes the steps of applying a fluid resin material to a conductor immediately before the conductor is wound on a spool, and heating the entire structure to cause the resin to be heat-cured after the conductor to which the fluid resin material has been applied is wound around the spool in multi-rows and multi-layers.

Abstract: According to an illustrative embodiment, a switching device structure is provided comprising a cavity defined by a laminated structure; and a moveable member comprising a plurality of laminated layers, wherein the moveable member is suspended from a side surface of the cavity by a hinge comprising a plurality of adjacent electrical conductors. In one embodiment, a current conducting coil is formed within the moveable member, and first and second of the adjacent electrical conductors of the hinge respectively comprise coil-in and coil-out conductors electrically connected to the coil. In such an embodiment, the third and fourth of said electrical conductors may respectively comprise tip and ring conductors. In illustrative embodiments, each of the electrical conductors of the hinge may comprise a resilient or flexible copper material.

Abstract: Forming an inlay comprising an antenna wire having two end portions and a site for a transponder chip, comprises: mounting the wire to a surface of substrate; and leaving the end portions of the antenna wire free-standing, as loops adjacent terminal areas of a site on the substrate for the transponder chip. With the transponder chip installed on the substrate, the free-standing loops are repositioned to be substantially directly over the terminals of the transponder chip, in preparation for interconnection of the loops to the terminals of the transponder chip, then are bonded to the terminals. An embedding tool for mounting the wire on the substrate may embed the wire in or adhesively place a self-bonding wire on a surface of the substrate. The substrate may have two transponder chips, and function as a secure inlay. An anti-skimming feature is included in the inlay.

Abstract: A reactor coil includes first and second coil elements each formed by edgewise and rectangular winding of one piece of rectangular wire rod in a manner in which the wound rectangular wire rod is stacked rectangularly and cylindrically and, at a winding terminating end point of the first coil element, the rectangular wire rod is bent approximately 90 degrees in a direction opposite to the winding direction of the first coil element so that the rectangular wire rod is stacked in a direction opposite to the stacking direction of the first coil element and is wound edgewisely and rectangularly in a direction opposite to the winding direction of the first coil element to form the second coil element and, as a result, the first coil element and second coil element are aligned in parallel to each other in a continuous state.

Abstract: A method for forming a loop winding having a plurality of meandering parts and disposed in a stator of a motor which includes: disposing the loop winding between a first die unit having a plurality of first dies and a second die unit having a plurality of second dies; and press forming the loop winding between the first dies and the second dies by relatively moving the first die unit and the second die unit toward each other, wherein the press forming step is so performed as to provide the loop winding with a plurality of meandering parts and, simultaneously, to reduce the loop winding in the radial direction.

Abstract: A method includes forming a winding structure from a single sheet of electrically conductive material, where the winding structure includes a winding base and multiple winding extensions extending from the winding base as a continuous piece of the electrically conductive material. The multiple winding extensions include a base portion that extends from the winding base along a first face of a fully assembled magnetic core, a wrapping portion that extends from the base portion along a second face of the fully assembled magnetic core, and a connection portion that extends from the wrapping portion along a third face of the fully assembled magnetic core, the connection portion comprising an electrical connection surface. The base portion, the wrapping portion, and the connection portion of each winding extend from the winding base such that the integrated windin structure is shaped for placement over the full assembled magnetic core in a single motion.

Abstract: A method is provided that utilizes silicon through via technology, to build a Toroid into the chip with the addition of a layer of magnetic material such as Nickel above and below the T-coil stacked multi-ring structure. This allows the connection between the inner via and an array of outer vias. This material is added on a BEOL metal layer or as an external coating on the finished silicon. Depending on the configuration and material used for the via, the inductance will increase approximately two orders of magnitude (e.g., by utilizing a nickel via core). Moreover, a ferrite material with proper thermal conduction properties is used in one embodiment.

Abstract: A noncontact power-transmission coil is provided. The noncontact power-transmission coil includes a planar coil and a magnetic layer. The planar coil is formed by winding a linear conductor in a spiral shape substantially in a single plane. The magnetic layer is formed by applying a liquid-form magnetic solution in which magnetic particles are mixed with a binder solvent, so as to cover one planar portion of the planar coil and a side-face portion of the planar coil.

Abstract: A method of manufacturing a three-phase, four pole motor is provided utilizing a dual-layer winding insertion technique. The first and second winding layers are each comprised of the coil groups for six individual poles, two per phase. Within each layer, the two poles per phase are members of a pole pair. In one configuration, each winding layer is comprised of six concentric coil groups in which there is no coil overlap; alternately, each coil group may be comprised of five coils with either the first or second or both outermost coils of each group being double-turn coils; alternately, each coil group may be comprised of five coils with no coil doubling, although there are overlapping coils from different coil groups; alternately, each coil group may be comprised of five coils with no coil doubling and no overlap between different coil groups, although the coils within each coil group are completely lap wound.

Abstract: An embedded inductor and a method for forming an inductor are described. Spaced apart first stripes are formed substantially parallel with respect to one another as part of a first metal layer. First contacts, second contacts, and third contacts in respective combination provide at least portions of posts. Spaced apart second stripes substantially parallel with respect to one another and to the first stripes are formed as part of a second metal layer located between the first metal layer and the second metal layer. The first stripes, the posts, and the second stripes in combination provide turns of a coil.

Abstract: A multi-phase coupled inductor includes a powder core material magnetic core and first, second, third, and fourth terminals. The coupled inductor further includes a first winding at least partially embedded in the core and a second winding at least partially embedded in the core. The first winding is electrically coupled between the first and second terminals, and the second winding electrically is coupled between the third and fourth terminals. The second winding is at least partially physically separated from the first winding within the magnetic core. The multi-phase coupled inductor is, for example, used in a power supply.

Abstract: A multi-phase coupled inductor includes a magnetic core formed of a powder magnetic material and first, second, third, and fourth terminals. The coupled inductor further includes a first winding forming at least one turn and at least partially embedded in the core and a second winding forming at least one turn and at least partially embedded in the core. The first winding is electrically coupled between the first and second terminals, and the second winding electrically is coupled between the third and fourth terminals. The second winding is at least partially physically separated from the first winding within the magnetic core. The multi-phase coupled inductor is, for example, used in a power supply.

Abstract: Various embodiments of means and methods for reducing the pick-up of electromagnetic interference (“EMI”) by coil transducers are described and shown that are configured to provide high voltage isolation and high voltage breakdown performance characteristics in small packages. In some embodiments, the lengths, heights, and horizontal distances between wires electrically connecting transmitter circuits and receiver circuits to coil transducers are minimized and optimized respecting one another.