Abstract: The method is capable of forming stator coils in dead spaces, into which a nozzle of a wire coiling machine is inserted, and improving space factor of the coils. The method comprises the steps of: regular-winding a magnet wire in vacant longitudinal outer parts of slots alternately, without getting into spaces for inserting the nozzle of the wire coiling machine; regular-winding the magnet wire in the rest vacant longitudinal outer parts of the slots and the spaces for inserting the nozzle; regular-winding the magnet wire in vacant longitudinal inner parts of the slots alternately, without getting into spaces for inserting the nozzle; and regular-winding the magnet wire in the rest vacant longitudinal inner parts of the slots and the spaces for inserting the nozzle.

Abstract: A magnetic resonance magnet assembly 20 has a coil form 70 shaped as a hollow cylinder. At least two thermally conductive sheets 60 are disposed circumferentially around the coil form 70, separated by a non-electrically conductive region 90. Thermally conductive tubing 50 affixed to each thermally conductive sheeting section 60 runs circumferentially around the coil form 70. At least one layer of thermally conductive electrically insulating material 110 such as fiber glass is bonded with a thermally conductive epoxy encapsulant to the thermally conductive sheets 60. A winding of superconductive wire 80 is bond together and to the electrically insulating material 110 with the thermally conductive epoxy encapsulant.

Abstract: Disclosed herein are an electronic component and a method of manufacturing the same. In the electronic component having a hexahedral shape and including an insulating portion formed on an upper part of a base substrate, a coil pattern portion formed in the insulating portion and wound with a conductive wire, and a plurality of external electrodes separated from each other and electrically connected with the coil pattern portion, each external electrode covers a part of an upper surface of the insulating portion and extending to an upper surface of the electronic component and a region between the external electrodes is provided with a ferrite block covering an exposed surface of the insulating portion, thereby improving magnetic permeability as compared with the electronic component of the related art.

Abstract: An electrical system having an underlying structure resembling the double helix most commonly associated with DNA may be used to produce useful electromagnetic fields for various applications.

Abstract: An apparatus and method for manufacturing a superconducting low-pass filter for quantum computing devices. The apparatus includes a plurality of containers and input and output ports connected to opposite ends of the apparatus. A plurality of coils of superconducting wire are wound using a mandrel. An adhesive is applied to the coils for maintaining a wound state. Each of the coils are positioned in each of the containers and electrically connected to each other with at least one coil being connected to the input port and at least one coil being connected to the output port. The coils are released or expanded from their wound state using an adhesive solvent. The containers are then filled with a conductive polymer and the containers are closed with one or more covers.

Abstract: Disclosed herein are an inductor and a manufacturing method thereof. The manufacturing method of an inductor includes: positioning a printed circuit board (PCB) including a predetermined pattern formed thereon and an insertion part formed at one side thereof; fixing a protrusion part formed at a lower portion of a core so as to be inserted into the insertion part; electrically connecting both ends of a coil wound around the core to a lower PCB terminal disposed at a lower portion of the PCB, respectively; and forming an appearance so that the core, the coil, and an upper exposed surface of the PCB are received therein.

Abstract: A chip choke assembly which reduces the loss of magnetic flux from the underlying core portions. In one embodiment, this reduction is achieved by producing a chip choke assembly comprised of two or more chip choke portions that collectively form a closed magnetic path. Additionally, the chip choke assembly disclosed herein also allows for adequate clearance between adjacent pads so as to avoid arcing during high potential voltage conditions. Methods for manufacturing and using the aforementioned chip choke assembly are also disclosed.

Abstract: Embodiments of an electromagnetic coil assembly are provided, as are methods for the manufacture of an electromagnetic coil assembly. In one embodiment, the method includes joining a first end portion of a braided lead wire to a coiled magnet wire. A dielectric-containing material is applied in a wet-state over the coiled magnet wire and over the first end portion of the braided lead wire. The dielectric-containing material is cured to produce an electrically-insulative body in which the coiled magnet wire and the first end portion of the braided lead wire are at least partially embedded. Prior to application of the dielectric-containing material, the braided lead wire is at least partially impregnated with a masking material deterring wicking of the dielectric-containing material into an intermediate portion of the braided lead wire.

Abstract: The present invention is a resin-encapsulated current limiting reactor that has a number of layers of insulated copper with terminals on each end, and a number of layers of Nomex® fiber insulation wrapped adjacent to each other into a circular or elliptical shape, and encapsulated in polyurethane resin under vacuum.

Abstract: An electronic component capable of preventing the occurrence of magnetic saturation due to a magnetic flux surrounding each coil conductor and a method of manufacturing the electronic component are provided. The electronic component includes a laminate formed by stacking unit layers, where each unit layer includes a first insulating layer, and a coil conductor and second insulating layer formed on the first insulating layer. Each second insulating layer has a Ni content greater than a Ni content of each first insulating layer. Portions of the first insulating layers have a Ni content lower than a Ni content of the second portions after the laminate is calcined.

Abstract: It is described a clamping system (30) of special conductors (S1, S2, S3) for a stator or rotor bar winding (U1, S1, S2, S3) for an electric machine, such as connection terminals (S1), jumpers (S2), neutrals or star points (S3), etc. The system (30) allows the special conductors (S1, S2, S3) to be clamped during a twisting step and/or a step of picking up such conductors from a twisting device (250). The system comprises a system axis (T-T), a plurality of grippers (10) aligned or able to be aligned along a circumference lying on a plane substantially perpendicular to the system axis (T-T) and actuation elements (50, 60, 70, 80, 90) of the grippers (10). Each gripper includes a pair of jaws (32, 33) mounted so as to be mobile in a plane transversal to said system axis (T-T).

Abstract: Coating an elongate, uncoated conductive element with a substantially continuous barrier layer. The substantially continuous barrier layer is formed through relative movement of the conductive element to a frame between sequential coatings of a barrier material.

Abstract: An apparatus includes a coil assembly, a core, and at least one cooling channel. The coil assembly includes at least one winding configured to receive a varying electrical current. The core includes multiple segments, and the at least one winding is wound around portions of the segments and is configured to generate a magnetic flux. The at least one cooling channel is configured to transport coolant through the coil assembly or core in order to cool the coil assembly or core. Portions of the segments of the core can be separated from one another to form multiple cooling channels through the core, and the multiple cooling channels can be configured to transport coolant through the core. The coil assembly may include at least one insulative spacer having multiple cooling channels, and the multiple cooling channels may be configured to transport coolant through the coil assembly.

Abstract: A lead-frameless power inductor and its fabrication method are disclosed. The power inductor comprises a lower substrate, a coil provided on the lower substrate, and an intermediate layer which encloses the coil, wherein the lower substrate can be a soft magnetic entrainer or a non-magnetic entrainer. The coil is made of an insulated wire, and the intermediate layer is a colloid consisting of magnetic powder. A method for fabricating the lead-frameless power inductor includes steps of preparing a lower substrate; forming a plurality of conducting metal layers on the lower substrate; forming a wire package on an upper surface of said lower substrate; coating a surface of said wire package with a magnetic powder; dividing the substrate into a plurality of granulated elements by cutting process; and forming the conducting metal layer on both sides of the element to form a surface mounting device.

Abstract: Instead of being made from one continuous piece of material, a coil includes multiple flat coil segments that are stacked together and electrically coupled in series. In many embodiments, the coil segments are U-shaped segments, and the segments are arranged so that each segment is rotated (e.g., by 270 degrees) with respect the segment it follows. The stacked coils may then be fastened together using, for example, bolts through the corners of the coil segments. The combined coil segments form a continuous coil.

Abstract: In a transformer core and transformer, a wound transformer core is formed from magnetic steel strips that are wound into multiple rings of different widths and arranged to define a ring-like structure having a stepped, substantially circular cross-section without any cuts or gaps in the magnetic path, or the core is wound from one or more tapered strips that are wound to define a cross-section that is circular, oval, egg-shaped, or square-shaped with truncated corners.

Abstract: An electrical machine, particularly a permanent magnet motor, having a number of poles and teeth or tooth groups that is divisible by a whole number A around which coil-forming loops of winding wire are arranged such that B coils are arranged in series, the coils having a number of windings equivalent to C/B where C is a whole number divisor of B and indicates the wire diameter as a quotient of a traditional standard winding, as well as a method to provide a corresponding winding structure.

Abstract: A rolled-up inductor structure for a radiofrequency integrated circuit (RFIC) comprises a multilayer sheet in a rolled configuration comprising multiple turns about a longitudinal axis. The multilayer sheet comprises a conductive pattern layer on a strain-relieved layer, and the conductive pattern layer comprises at least one conductive strip having a length extending in a rolling direction. The at least one conductive strip thereby wraps around the longitudinal axis in the rolled configuration. The conductive pattern layer may also comprise two conductive feed lines connected to the conductive strip for passage of electrical current therethrough. The conductive strip serves as an inductor cell of the rolled-up inductor structure.

Abstract: A rolled-up transformer structure comprises a multilayer sheet having a rolled configuration comprising multiple turns about a longitudinal axis. The multilayer sheet comprises more than one conductive pattern layer on a strain-relieved layer, including a first conductive film and a second conductive film separated from the first conductive film in a thickness direction. The first conductive film comprises an even number of primary conductive strips, where each primary conductive strip has a length extending in the rolling direction, and the second conductive film comprises an even number of secondary conductive strips, where each secondary conductive strip has a length extending in the rolling direction. In the rolled configuration, turns of the primary conductive strips and turns of the secondary conductive strips wrap around the longitudinal axis. The primary conductive strips serve as a primary winding and the secondary conductive strips serve as a secondary winding of the rolled-up transformer structure.

Abstract: A method for terminating and winding coils of a core of a dynamo electric machine. The coils being formed from at least an electric wire and the core having a longitudinal axis. The coils are wound by relatively moving a wire dispenser with respect to a core with relative motions of translation and rotation; at least a stretch of wire extends from the coil and the stretch of wire is provided with a portion for a termination connection to a termination structure of the core such as a tang. The method avoids waste cut wire in the apparatus. The core is provided with a groove at an end to receive at least a wire in the path of the wire for the termination of the coils. The apparatus comprises a wire deflector positioned adjacent the end of the core, where the groove is located, in order to intercept and align the wire with the groove.

Abstract: Provided is a method for fabricating a molded stator of a rotary electric machine, the method comprising: a lamination step of laminating a plurality of core sheets each having a plurality of core pieces connected to one joining portion via bridge portions, thereby forming a divided-laminated-core group structure; a winding step of winding a coil on a teeth portion of each divided laminated core of the divided-laminated-core group structure; a cutting step of cutting the bridge portions, thereby separating the divided laminated cores wound with the coils; a temporary fixing step of temporarily fixing the divided laminated cores circularly arranged to form a stator; and a molding step of placing, in a mold, the stator into which a mold mandrel is inserted along the inner circumferential surface, and molding an outer circumferential surface of the stator with resin.

Abstract: An annular core member having an opening portion located at a position rotated by 90 degrees from a reference position, where the opening portion is oriented in the counterclockwise direction, and an annular core member having the opening portion located at the reference position, where the opening portion is oriented in the clockwise direction, are prepared to form an iron core by a rotary lamination apparatus by rotating the annular core members and by a predetermined angle (90 degrees) such that a first end, in the annular core member, which is at the position rotated by 90 degrees from the reference position and has no rotation uneven part, is circumference-positionally identical in the laminating direction with that of a fourth end, in an annular core member, which is at the reference position and has no rotation uneven part.

Abstract: An angle detection device of the present invention includes: a stator which includes a plurality of salient pole portions which are formed on a flat sheet made of a magnetic material and are raised by bending, each salient pole portion constituting a winding magnetic core on which a winding member for excitation and a winding member for detection are mounted; and a rotor which is made of a magnetic material and is provided rotatably relative to the stator such that gap permeance between the rotor and each salient pole portion is changed due to the rotation of the rotor about a rotational axis of the rotor. According to the angle detection device of the present invention, it is possible to provide the angle detection device which can largely reduce the number of parts and can realize the reduction of cost and the enhancement of reliability.

Abstract: Firstly, a flat conductor raw wire is formed in a rectangular cross-section and bent in a continuous meandering pattern in a same plane to include in-slot wire portions arranged in each slot of the stator core, coil-end wire portions arranged as a coil end outside the slots, and bent portions joining the in-slot wire portions and the coil-end wire portions. Thereafter, in a setting step, the bent portions located at the opposite ends of the in-slot wire portion are grasped by a pair of grasping tools and the in-slot wire portion is grasped by a twisting jig. Next, in a processing step, the bent portions are twisted and bent into crank-shape by displacing a predetermined axis to a predetermined direction while rotating the twisting jig about the axis. The flat conductor is obtained by performing the setting step and the processing step each of the in-slot wire portions.

Abstract: In accordance with an embodiment, a transformer includes a first coil disposed in a first conductive layer on a first side of a first dielectric layer, and a second coil disposed in a second conductive layer on a second side of the first dielectric layer. Each coil has a first end disposed inside its respective coil and a second end disposed at an outer perimeter of its respective coil. A first crossover disposed in the second conductive layer is directly connected to the first end of the first coil and extends past the outer perimeter of the first coil. In addition, a second crossover disposed in the first conductive layer is directly connected to the first end of the second coil and extends past the outer perimeter of the second coil.

Abstract: An angle detection system of the present invention includes: a stator 200 which includes a plurality of salient pole portions which are formed on a flat sheet made of a magnetic material and are raised by bending, each salient pole portion constituting a winding magnetic core on which a winding member for excitation and a winding member for detection are mounted; and a rotor 300 which is made of a magnetic material and is configured to be rotatable relative to the stator such that gap permeance between the rotor and each salient pole portion is changed due to the rotation thereof about a rotational axis thereof. According to the angle detection device of the present invention, it is possible to provide the angle detection device which can largely reduce the number of parts and can realize the reduction of cost and the enhancement of reliability.

Abstract: [Technical Problem] This invention provides a surface-mount inductor that is capable of positioning a coil in a predetermined position in a mold, thereby to position the coil in a predetermined position of a core and to prevent led-out ends from being buried in the core. [Solution to the Problem] A surface-mount inductor of the present invention comprises: a coil formed by winding a winding wire; and a core containing a magnetic powder and including the coil therein. The coil has opposite led-out ends, each of which is exposed on respective ones of opposed side surfaces of the core. Each of the led-out ends of the coil is connected to an external electrode formed on the core.

Abstract: A method for manufacturing a spiral coil, the method including: forming a solenoid having a diameter larger than a length by spirally winding an insulated electric wire; forming a spiral coil having folded corners by folding four corners in a circumference direction with respect to the solenoid; fixing the folded corners of the spiral coil; and fixing two terminal portions corresponding to start and end points of the spiral coil to a fixing module. According to the method, a thin and long spiral coil having folded corners is easily manufactured by using a general insulated electric wire. In addition, the spiral coil manufactured by using such a method is applicable to a surface radio frequency (RF) coil optimized for various applications of an electro-magnetic acoustic transducer (EMAT) and enables easy access to an optimized transducer.

Abstract: The present invention provides an electromagnet device which can obtain a desirable attraction force (retention force) between an iron core and a movable iron piece, a method of assembling the electromagnet device and an electromagnetic relay using the electromagnet device, the electromagnet device including an electromagnet block having the iron core being wound by a coil and an auxiliary yoke fixed to one end portion of the iron core, a yoke connected to the one end portion of the iron core via a permanent magnet, the movable iron piece pivotably supported on a pivoting shaft center (serving as a fulcrum) located in an end face edge portion of the yoke so that the movable iron piece pivots on a basis of magnetization and demagnetization of the electromagnet block, where the permanent magnet is located on an extension line of an axial center of the iron core and is interposed between the auxiliary yoke and the yoke.

Abstract: The application relates to a process for preparing a crosslinked cable, including: —applying one or more layers including a polymer composition on a conductor, wherein at least one layer includes one or more free radical generating agents, —crosslinking by radical reaction said at least one layer including said free radical generating agent(s), —cooling the obtained crosslinked cable in pressurized conditions, and —reducing or removing the content of volatile decomposition products(s), which are originating from optionally in elevated temperature, from the crosslinked cable obtained from cooling and recovery step.

Abstract: An implantable medical device lead includes a lead body including a lumen extending from a proximal end of the lead body to a distal end of the lead body, and a helically coiled conductor including one or more filars extending through the lumen and including a plurality of turns. The implantable medical device lead further includes an insulative coating on at least one of the one or more filars, the insulative coating circumferentially covering the outer surface of the at least one of the one or more filars, and at least one cohesive structure formed between adjacent turns of the helically coiled conductor. The at least one cohesive structure includes portions of the insulative coating on the at least one of the one or more filars and is configured to interconnect adjacent turns of the helically coiled conductor.

Abstract: The invention is an induction-based lighting system designed to provide power to model displays and other similar applications. The first part of the system is the wireless Power Mat that is placed under the model houses and used as the base for the village, and contains a primary winding that interacts with secondary windings placed inside display components to provide lighting effects, such as one finds in model Christmas villages. The electrical characteristics of the primary winding can be controlled by a microcontroller to make lights in the models blink or change as a user desires.

Abstract: A method of manufacturing an inductor for a microelectronic device comprises providing a substrate (610), forming a first plurality of inductor windings (111, 211, 411, 620, 2030) over the substrate, forming a magnetic inductor core (112, 212, 412, 810) over the first plurality of inductor windings, and forming a second plurality of inductor windings (113, 213, 413, 1010) over the magnetic inductor core. In another embodiment, the method comprises forming the inductor on a sacrificial substrate (1610) such that the inductor can subsequently be mounted onto a carrier tape (1810). In yet another embodiment, a method of manufacturing a substrate for a microelectronic device comprises forming an inductor within a build-up layer (101, 102, 103, 104) of a substrate.

Abstract: In an integrated magnetic component for a switched mode power converter, comprising two magnetic cores forming an 8-shaped core structure and at least two first electric winding wires, wherein at least one magnetic core is an E-core, at least one of the first electric winding wires is wound on a flange of the E-core.

Abstract: A method of producing a cylindrical laminated winding with radial slots for electrical machines is disclosed. The method includes providing a strip of conducting material, cutting cuts in a strip where the cuts form the radial slots of the laminated winding, and winding the strip to form the cylindrical laminated winding whereby a radial distance is enclosed between adjacent winding turns. A laminated winding for an electrical machine is also disclosed, and includes a strip of conducting material. The strip is wound in a cylindrical manner and is provided with cuts which are located between winding turns of the laminated winding such that they together form continuous radial slots, wherein a radial distance is enclosed between adjacent winding turns.

Abstract: A three step non-linear transformer core is formed from three sections of laminations each having different widths and cross-sectional areas. A first section of laminations is formed by cross-slitting a generally rectangular sheet or strip of metal. A resulting generally triangular segment is then wound upon a mold to form a first section of a core frame having a trapezoidal cross section. A second section of laminations is wound upon the first section of laminations to form a segment of a core frame having a rhombic cross section. The third section of laminations is wound upon the second section of laminations to form a segment of a core frame having a trapezoidal cross section. Each of the first, second, and third sections of laminations are offset from one another by a predetermined angle of offset.

Abstract: In one embodiment, a stimulation lead comprises: a lead body of insulative material surrounding a plurality of conductors; a plurality of electrodes; and a plurality of terminals, the plurality of terminals electrically coupled to the plurality of electrodes through the plurality of conductors; wherein each conductor of the plurality of conductors is helically wound about an axis within the lead body in at least an outer portion and an inner portion relative to the axis, the outer portion comprises a first winding pitch and the inner portion comprises a second winding pitch, the second winding pitch is less than the first winding pitch, the inner portion of each respective conductor being disposed interior to the outer portions of other conductors of the plurality of conductors; wherein an impedance of each conductor of the plurality of conductors substantially reduces MRI-induced current when the stimulation lead is present in an MRI system.

Abstract: A method of producing an inductor with high inductance includes forming a removable polymer layer on a temporary carrier; forming a structure including a first coil, a second coil, and a dielectric layer on the removable polymer layer; forming a first magnetic glue layer on the removable polymer layer and the structure; removing the temporary carrier; and forming a second magnetic glue layer below the structure and the first magnetic glue layer.

Abstract: A dry-type electrical transformer includes a coil assembly having at least one winding wound into a plurality of concentric turns, at least one cooling sector defined between adjacent concentric turns, spacers positioned inside the cooling sector and spaced from each other to allow a plurality of air ducts each defined between two adjacent spacers, and at least one electrical shield positioned in the cooling sector and arranged to electrically shield the air ducts. At least one electrical shield is positioned in the cooling sector and arranged to electrically shield the air ducts. The electrical shield include a first end edge connected to the turn at the inner side of the cooling sector, a second end edge which is free and electrically insulated from the surrounding parts, and a central portion extending between the first and second end edges and is positioned at the outer side of the spacers.

Abstract: A coil device (1) comprising a coil winding (3) for an electromagnetic actuating device or an electromagnetic sensor, having a winding wire (11) which has an insulating element and which is ran to at least one contacting element (5, 15) that is designed as a metal part, in particular a stamped part, and a stripped section of the winding wire is received at the contacting element between the contacting element (5, 15) and a metal cover (6) and fused to the contacting element (5, 15). A recess (8) is impressed into the contacting element (5, 15), the recess receiving the winding wire (11) in some sections and being designed with a winding wire inlet geometry.

Abstract: In a lamination core, a punched material strip is wound to provide layers of the core. The material strip comprises a plurality of semi-circle individual strip segments linked by hinge-like carrying webs between adjacent split lines at adjacent ends of the respective adjacent strip segments. Each strip segment has a plurality of teeth defining slots. A segment arc angle of the segment is not equally divisible into 360° and a slot arc angle of the slots is equally divisible into the segment arc angle, so that mated lines of one winding defined by respective adjacent split lines of adjacent are laterally offset with respect to mated lines defined by respective adjacent split lines of an adjacent winding.

Abstract: According to an embodiment, a transformer is provided that includes a first conductive coil wound about a first coil axis and a second conductive coil wound about a second coil axis. The second conductive coil is disposed proximate to the first conductive coil and the second coil axis is substantially parallel to the first coil axis. A closed-loop conductive winding is disposed proximate to the first conductive coil and the second conductive coil. The closed-loop conductive winding is wound about a loop axis at least one time where the loop axis is substantially parallel to the first coil axis and the second coil axis.

Abstract: A distributed active transformer is provided comprising a primary and a secondary winding. The primary winding comprises a first set of conductive vias extending in a direction between a first surface and a second surface of an element, a first set of first electrically conductive lines extending along the first surface, and a first set of second electrically conductive lines extending along the second surface. The secondary winding comprises a second set of conductive vias extending in a direction between the first surface and the second surface, a second set of first electrically conductive lines extending along the first surface, and a second set of second electrically conductive lines extending along the second surface. When energized, the primary winding generates magnetic flux extending in a direction parallel to the first surface and the second surface. The secondary winding receives energy transferred by the magnetic flux generated by the primary winding.

Abstract: A surface-mount inductor according to this invention comprises a coil formed by winding a rectangular conductive wire in an outward spiral pattern (so that opposite ends of the conductive wire become outermost periphery), a core made primarily of magnetic powders and binder, and an external electrode formed on one surface of the core. Further, the surface-mount inductor is characterized by encapsulating the coil in the core so that winding axis of the coil is parallel to the surface of the core on which the external electrode is formed.

Abstract: A method of making an electronic ceramic component. The method includes steps of terminating a ceramic body with a metalized terminal and encompassing a portion of the ceramic body by an insulating resin. The step of encompassing further comprises steps of preparing a liquid resin precursor, applying the liquid resin precursor to a surface of the ceramic body, thereby wetting the surface of the ceramic body while not wetting the metalized terminal, and curing the liquid resin precursor applied to the wetted surface of the ceramic body to form a resin coating covering the surface of the ceramic body after removing extra quantity of the liquid resin precursor from the not wetted metalized terminal. The liquid resin precursor comprises an element selected from a group consisting of resin solution or resin emulsion that has a surface tension adjusted by changing a resin precursor concentration.

Abstract: The present invention relates to a method of manufacturing a coil element and a coil element, which include a process of forming, aligning, and coupling a first auxiliary layer and a second auxiliary layer of which coil portions formed of a plating pattern are disposed on a substrate or an insulating layer, and it is possible to overcome limitations due to collapse or deformation of a photoresist pattern even when forming a fine-pitch fine conductor coil with a high aspect ratio by applying a plating method using a photoresist pattern.

Abstract: A winding for an n-phase electric motor is disclosed. The inventive winding comprises a number of consecutive winding groups of n individual windings, wherein at any point in time an individual winding of a first group exhibits one direction of current flow and wherein at the same point in time a corresponding individual winding of an adjacent group exhibits the opposite direction of current flow. There is also disclosed a method for preparing such winding. It is further disclosed a magnetic unit adapted for such winding, comprising permanent magnets being essentially triangular in cross-section. Further, there is disclosed electric motors using the inventive winding concept, as well as geodetic instruments taking advantage thereof. An electric motor according to the disclosed inventive concept is particularly well suited for direct drive.

Abstract: Embodiments of a high temperature electromagnetic coil assembly are provided, as are embodiments of a method for fabricating such a high temperature electromagnetic coil assembly. In one embodiment, the method includes the steps of applying a high thermal expansion ceramic coating over an anodized aluminum wire, coiling the coated anodized aluminum wire around a support structure, and curing the high thermal expansion ceramic coating after coiling to produce an electrically insulative, high thermal expansion ceramic body in which the coiled anodized aluminum wire is embedded.

Abstract: In one embodiment, a transformer is provided for coupling between a utility connection and a plurality of power cells of a drive system. The transformer may be of a horizontal arrangement and include a housing and a core configured within the housing and having multiple columns each adapted along a horizontal axis. Each column corresponds to a phase, and each phase includes a coil having primary winding and multiple secondary windings concentrically adapted about the column horizontal axis to provide an air gap between adjacent ones of the primary and secondary windings. In addition, the transformer may include a baffler adapted about the core and configured within the housing to prevent air flow at a periphery of the coils and to direct air flow through the air gaps of the coils.

Abstract: Embodiments of an electromagnetic coil assembly are provided, as are methods for the manufacture of an electromagnetic coil assembly. In one embodiment, the electromagnetic coil assembly includes coiled magnet wire and a braided lead wire, which has a first end segment electrically coupled to the coiled magnet wire and having a second end segment. The electromagnetic coil assembly further includes an electrically-conductive member to which the second end segment of the braided lead wire is crimped.