Abstract: A disk motor including: a rotor including, a commutator disk including a commutator pattern, and at least one coil disk including a coil pattern; a stator including a magnetic flux generating part opposed to the coil pattern of the coil disk; an electric current supply part configured to supply electric current to the coil pattern via the commutator disk and, an output shaft configured to be rotated by a rotational force of the rotor, wherein a radiating pattern is provided to an outer periphery side of the commutator pattern of the commutator disk.

Abstract: A stator of a motor includes a stator core having a plurality of teeth forming slots between any two adjacent teeth and a plurality of phase coils provided in the slots, each formed by wave winding and made of a continuous wire. Each phase coil includes a first wave winding bundle and a second wave winding bundle that is passed through a first slot and a second slot. The first slot is located adjacent to one side of a group of slots through which the phase coils other than said each phase coil are passed and the second slot is located adjacent to the other side of the group of slots. The first wave winding bundle is passed through a third slot and a fourth slot. The third slot is located adjacent to the first slot on the opposite side of the first slot from the group of slots and the fourth slot is located adjacent to the second slot on the opposite side of the second slot from the group of slots.

Abstract: The present invention relates to an electromagnetic coil structure for being mounted on a magnetic core. Such a magnetic core is for instance a part of a rotating electric machine or of a magneto electronic angle sensor. The present invention further relates to a belonging magnetic core and to a magneto electronic angle sensor, in particular a reluctance resolver. Furthermore, the present invention relates to a method for fabricating such an angle sensor. The coil structure (106) comprises at least one electrically conductive winding formed as a flat conductive track (110), and at least one flexible electrically insulating carrier (112) for carrying said winding. Said coil structure has at least one opening (108) for receiving a magnetic flux guiding element (104) of said core. The circumferential surface of the core whereto said electromagnetic coil structure (106) is mounted has a polygonal shape.

Abstract: An electric machine having insulated conductor wires and a method of insulating the conductor wires. The conductor wires include an electrically conductive core and an electrical insulation portion. The electrical insulation portion includes an electrical insulation coating layer and at least one electrical insulation wrap layer.

Abstract: An ?-wound coil is formed by winding ends on both sides of a predetermined intermediate position of a wire rod from air-core end edges of both the ends toward an outer circumferential side to form two coil portions and superimposing the formed two coil portions to be opposed to each other. When the electromagnetic coil is subjected to bending molding to be adapted to a shape along the cylindrical surface on which the electromagnetic coil is arranged, the circumferential length of a bent-molded shape along the circumferential direction of the cylindrical surface of a first coil portion arranged on the inner circumferential side is set to be smaller than the circumferential length of a bent-molded shape along the circumferential direction of the cylindrical surface of a second coil portion arranged on the outer circumferential side.

Abstract: Apparatuses, systems, and methods provide for high density laminated sheet windings in axial and radial flux configurations. According to embodiments described herein, motor components such as a rotor or stator include a number of stacked sheets of conductive material. The stacked sheets are electrically connected in series to create a winding. Each motor component includes a number of conductors spaced apart with apertures between. The motor components are stacked and configured with the conductors of one rotor or stator positioned within the apertures of the other rotor or stator to create a thin, high density conductor. A magnemotive force is created when the magnetic flux is positioned over the conductors.

Abstract: A manufacturing method of a rotating electric machine according to an embodiment includes forming a stator by selectively attaching any one of a first stator winding and a second stator winding to a stator core, forming a rotor to be arranged on an inner periphery of the stator to face the stator, and arranging the stator and the rotor in a housing.

Abstract: Provided is a synchronous motor including a rotor having magnetic poles distributed circumferentially along a rotation direction of the rotor at equal intervals, and a stator having stator teeth arranged circumferentially along the rotation direction of the rotor, each tooth wound with a stator coil by concentrated winding. Every M consecutive stator teeth belong to one of stator teeth groups arranged at equal intervals. The M consecutive stator teeth in each stator teeth group are arranged at intervals different from the intervals of the magnetic poles of the rotor. The stator coils wound around the M consecutive stator teeth are connected to separate terminals. A motor driver supplies currents of different phases to the stator coils via the respective terminals.

Abstract: A rotating electrical machine includes a stator including at least two element coils of the same phase each having a plurality of turns and connected to each other through a coil-to-coil connection wire, the element coils being arranged in adjacent slots, respectively; and a rotor rotatably provided to the stator through a gap. The element coils of the same phase are fitted in the adjacent slots so that wound around portions of the element coils partially overlap each other. The coil-to-coil connection wire connects at a coil end portion conductor wires extending from linear conductor wire portions of innermost wires of the element coils contained in the slots.

Abstract: A stator manufacturing method for a motor includes a preliminary step, a winding step, a rolling step and a shaping step. The preliminary step provides a strip plate having at least one wound portion. The winding step provides and winds a coil unit around the wound portion. The rolling step roll ups the strip plate into an unshaped sleeve having a central hole. The shaping step fixes a shape of the unshaped sleeve to form a shaped sleeve. An outer sleeve may be provided to receive the unshaped sleeve, and a separation member is inserted between two ends of the strip plate. Alternatively, an outer sleeve with a protruding pole may be provided, or the strip plate may form at least one outer wound portion that is wound with an outer coil unit. In addition, methods for manufacturing the stators are also disclosed.

Abstract: A stator for a multi-phase electric motor comprises a plurality of teeth for each phase. The windings on two teeth from one phase are formed from a single length of conductor. The windings on a first one of the teeth being formed at least in part from two sections of the conductor spaced apart along the length of the conductor, and the windings on a second one of the teeth being formed from an intermediate section of the conductor between the spaced apart sections.

Abstract: Systems for harnessing power through electromagnetic induction utilizing printed coils are provided. A system can include one or more moveable magnets adjacent to printed coils on a circuit. For example, a system can include one or more magnets that are operative to move alongside a circuit board that includes printed coils. The one or more magnets may move, for example, when a user shakes the system or when the user walks or runs while holding the device. The movement of the one or more magnets may create an electromotive force (e.g., a voltage) across the printed coils, and this force may be used to generate electric power.

Abstract: A method to form a field winding for a slotless stator including: forming the first coil group by spirally winding an insulated wire for each coil winding around a mandrel such that each turn of the wire is adjacent a next turn of the wire; after forming the first coil group, axially shifting along the mandrel the insulated wire from a trailing edge of each coil winding to position the wires at a leading edge of each of coil winding in the second coil group; forming the second coil group by spirally winding the insulated wire for each coil winding around a mandrel; removing the mandrel from the wound first and second coil groups; collapsing the wound coil groups to a layer web such that coil winding segments are interleaved; and wrapping the web into a cylinder to form the field winding.

Abstract: A synchronous motor 100 includes a rotor 20 having a permanent magnet 26 on the surface of or inside the rotor, a stator 10 made of a soft magnetic material and having tooth members T1 to T18 and slots S1 to S18, and element coils 11, 12 wound around each of the tooth members T1 to T18 as concentrated windings and arranged in multiple layers along the extending direction of the tooth members T1 to T18. The element coils 11, 12 are provided three coils each for each phase in a circumferential direction to form rotating direction windings 101 to 206 for each phase. For each phase, the rotating direction windings 101 to 206 are displaced from each other by one slot in the rotating direction between adjacent layers. As a result, torque ripples are reduced in motors using concentrated windings.

Abstract: A flexible winding, for a brushless, rotating motor, comprising a flexible substrate. A first winding circuit is disposed on a first side of the substrate. The flexible substrate is rolled into a substantially cylindrical shape such that the first winding circuit forms a winding suitable for an electric machine, such as a rotary motor.

Abstract: The invention relates to a stator for an electric motor comprising several poles (P) that are directed inwards towards the motor axis (2) and that surround a rotor (1), each pole (P) being provided with one winding (L) and the coils of the windings (L) being wound around the poles (P) one after the other without interruption. The stator (20) contains at least three pole groups (n), having at least three poles (P) and each group having the same number of poles (P). The windings (L) run out from the end face at least at the respective beginning and end of a pole group and are contacted there in such a way that the windings (L) associated with each pole group contain their own connection pair (U-U?, V-V?, W-W?) and one connection (U?, V?, W?) of each of these connection pairs is connected to a star point (Y) on the end face of the stator (20).

Abstract: An outer-rotor salient-pole concentrated winding motor includes a salient-pole concentrated winding stator and a rotor. The salient-pole concentrated winding stator includes stator core, coils and insulators. The stator core has a plurality of teeth that extend outward in a radial direction of the stator. Each of the insulators includes a projecting engaging portion and a recessed engaging portion. The projecting engaging portion projects outward in the circumferential direction. The recessed engaging portion is formed so that an outer separation wall of the insulator is recessed inward in the circumferential direction. The projecting engaging portion and the recessed engaging portion of adjacent insulators engage with each other when the teeth are inserted into the insulators.

Abstract: A stator of a rotary electrical machine includes a core unit configured by a plurality of core assemblies, around which wires are respectively wound to form the coils, including low voltage side terminals, which connect first ends of the coils, and a bus ring attached to the core unit so as to connect second ends of the coils to electricity supply wires by high voltage side terminals. Each terminal accommodating portion is individually formed relative to each of the core assemblies at an external side of the coils. Each of the terminal accommodating portions is filled with an insulating resin material in a state where at least one of a connecting portion of the first end and each of the low voltage side terminals and a connecting portion of the second end and each of the high voltage side terminals is accommodated within each of the terminal accommodating portions.

Abstract: The present invention relates to an electromotive part of an elevator drive, comprising a rotor (24) and a stator (10, 22), wherein windings of the stator and/or the rotor (24) are provided as single tooth windings. An electromotive part of an elevator drive, is provided as an internal rotor motor, and includes a rotor and a stator. Windings of the stator and/or the rotor are provided as single tooth windings, the windings are, at least in part, encapsulated, and the windings are provided as two-layer windings. A method for winding-up windings of an electromotive part of an elevator drive with two-layer windings, includes inserting the windings of individual phases as alternating upper and lower layers.

Abstract: A method is disclosed for manufacturing the winding coil of an electrical machine from flat wire. The coil can include coil sides fitted to a groove of an electrical machine and end sections which are left outside the groove and form a coil end. Flat wire can be used for winding a spool in which the coil rounds are in the same winding plane and in which there are two parallel straight coil sides on opposite sides. After this, the parallel straight coil sides can be bent towards each other essentially to the right angle in comparison to the winding plane.

Abstract: A stator unit including a coil in which a distance between an m?1-th turn and an m-th turn is wider than each distance in a first turn to the m?1-th turn. The m+1-th turn is disposed between the m?1-th turn and the m-th turn. Further, in a cross-section perpendicular to a central axis and passing a tooth, an angle between a line segment connecting respective centers of the m+1-th turn and the m?1-th turn and a line segment connecting respective centers of the m+1-th turn and the m-th turn is about 120° or more. With this structure, bulging in a circumferential direction of the coil adjacent to an inner peripheral portion of the tooth can be suppressed and a clearance can be secured between adjacent coils such that the number of turns of the coil can be increased.

Abstract: A linear motor including permanent magnets fixed on an elongate yoke such that polarities of the permanent magnets alternately change, and an armature having cores and coils wound on the respective cores, wherein each row of the permanent magnets and the armature are moved relative to each other along a straight line by application of an electric current to the coils, each core extending in a first direction perpendicular to the permanent magnet row, the cores being arranged in a second direction perpendicular to the first direction and disposed on the cores such that the coils on the cores adjacent to each other are arranged in a zigzag pattern and spaced apart from each other in the first direction, with a gap left therebetween, wherein the armature includes a heat pipe having opposite end portions one of which is inserted in the gap and the other of which extends outwardly of the gap, and fins fixed to the other end portion of the heat pipe.

Abstract: A coreless electric machine includes: a permanent magnet on a first member; N-phase (N?2) air-core electromagnetic coils on a second member; and a coil back yoke on the second member, each electromagnetic coil including a conductor bundle in which a conductor is wound M times (M?2), coil sub-aggregates are provided, each including the N electromagnetic coils of the respective N phases and in each of which a conductor bundle forming an effective coil area of a first-phase electromagnetic coil contacts a second conductor bundle forming an effective coil area of another phase electromagnetic coil, and the second conductor bundle is in an air-core portion of the first phase electromagnetic coil, and the coil sub-aggregates are arranged along the cylindrical area, in which the coil sub-aggregates do not overlap in a radiation direction of the cylindrical area, and adjacent coil sub-aggregates contact each other.

Abstract: A radial gap motor/generator that may be air or liquid cooled. The motor/generator has a stator in radially spaced relation to at least one thin annular induction structure. The motor/generator has at least two spaced apart annular rings each having an inner surface and outer surface, the annular rings having a permanent magnet structure embedded between the inner surface and outer surface of the annular rings. The motor/generator has at least two spaced apart radial gaps, the first gap between the first annular ring and the induction structure and the second gap between the second annular ring and the induction structure, the stator being disposed between the gaps. The motor/generator may include multiple gaps and multiple annular induction structures to increase the overall power density of the system.

Abstract: A stator includes a stator support having multiple axially extending circumferentially arranged slots. Multiple phases each include multiple coils. Each of the coils has first and second opposing sides of conductor provided in the slots. A conductor in a second side of a first phase first coil is interspersed with a conductor in a second phase first coil. The conductors in a first side of the first phase first coil are arranged adjacent to one another and non-interspersed.

Abstract: A coreless electric machine apparatus includes: a permanent magnet arranged on the first member; two-phase coreless electromagnetic coils arranged on the second member; a coil back yoke arranged on the second member, wherein the electromagnetic coils include effective coil areas for generating a force to move the first member relatively to the second member, and coil end areas, the effective coil areas of the two-phase electromagnetic coils have same shape and are arranged in a cylindrical area between the permanent magnet and the coil back yoke, the coil end area of a first phase electromagnetic coil of the two-phase electromagnetic coils is bent in an inside direction or an outside direction of the cylindrical surface, the two-phase electromagnetic coils have same electric resistance value, and the coil back yoke covers outer peripheral areas of the effective coil areas and does not cover outer peripheral areas of the coil end areas.

Abstract: A technique for winding multi-turn, stranded wire coils using rectangular cables avoids the risk of damage associated with edge-wise bends.

Abstract: AC generators are disclosed. Example generators may include a tubular air core, with high magnetic permeability and with a first and second end, the air core having a plurality of eddy current reducing slits passing from a radially outer surface of the air core to a radially inner surface of the air core; and a continuous coil made of conducting wire having a plurality of loops wrapped around the air core, the coil positioned between the first end and the second end of the air core.

Abstract: Systems and methods for constructing electric motors in which a stator core includes inner and outer portions that enable slots for magnet windings to be open during construction and closed in the completed motor. One embodiment comprises a method in which an inner stator core having a plurality of slots is formed by stacking a set of laminations. The slots are open radially outward from an axis of the inner stator core and which are configured to accommodate turns of magnet wire. After the magnet wire is positioned in the open slots, an outer stator core comprising stacked laminations is positioned around the inner stator core, enclosing the slots. The inner and outer stator cores are then positioned within a housing and assembled into a downhole motor.

Abstract: A stator for a rotating electrical machine includes a stator core with a plurality of slots; and coils attached to the stator core. The coils are each structured by winding a covered conductor wire bundle around the stator core. The covered conductor wire bundle is structured by covering an outer circumference of a conductor wire bundle with a flexible insulating cover, the conductor wire bundle consisting of an assembly of a plurality of conductor wires. A plurality of the covered conductor wire bundles is disposed in each slot such that adjacent pairs of the covered conductor wire bundles are in contact with each other.

Abstract: Embodiments of the invention provide an electric machine module including a housing. The housing can include a machine cavity. In some embodiments, an electric machine can be at least partially positioned within the machine cavity and can include a stator assembly. The stator assembly includes a stator core with slots, a weld end, and an insertion end. In some embodiments, conductors can be positioned in the slots so that portions of the conductors extend from the weld end and the insertion end. An insulation member including recesses can be coupled to at least a portion of the conductors that extend from the weld end of the stator assembly.

Abstract: A high-output and highly efficient axial gap type rotating machine capable of reducing an eddy current generated in a winding wire and supplying a larger current is provided.

Abstract: An electromagnetically excitable coil having a wire, the wire being wound around a wire holder in one winding direction, the wire having a winding start, which generally is disposed at a first end of the coil, and a winding end, which generally is disposed at the same end of the coil, using an uneven number of winding layers, the coil having an elongated cross-section and the cross-section having a longer side and a shorter side, the wire being routed from the second end of the coil to the first end of the coil while forming at least one wire crossing at the shorter side of the cross-section.

Abstract: A three-phase, high voltage motor for use in a scroll compressor includes a stator core having an annular rim and a plurality of teeth extending radially inward from the rim. Aluminum windings are wrapped around teeth of the plurality of teeth of the stator core. The windings are spaced 120 electrical degrees from each other. The motor further includes a rotor body that is rotatably mounted inside the stator core and includes an external surface facing the stator core.

Abstract: An electric motor includes a rotary shaft, a rotor fixed on the rotary shaft, and a stator having plural slots in which coils of different phases are wound. Each of the coils has at least one pair of end wires. At least in the coil located closest to the rotor, one of the end wires located farther from the rotor than the other of the end wires is used as a lead wire that is to be electrically connected to a driver circuit for energizing the coils.

Abstract: A brushless DC motor comprises: a rotor on which magnetic poles evenly arranged along the circumferential direction thereof; and a stator on which a plurality of coils are disposed. The coils are unevenly distributed along the circumference of the stator.

Abstract: A disk motor including: a rotor; a stator; at least one coil disk provided to one of the rotor and the stator; at least one magnet provided to the other of the rotor and the stator and facing a coil pattern of the coil disk; a current supply part for supplying current to the coil pattern; and an output shaft rotated by a rotating force of the rotor, wherein an insulating resin layer is provided between the coil pattern and the magnet.

Abstract: The invention relates to a stator module for multi-phase machines, including a plurality of soft magnet stator segments that are individually wound with coils and that can be connected to a yoke, where the coils of a phase are connected in series. The stator module includes the stator segments of a phase form a stator segment chain, having at least two stator segments, the coils of which are formed by a winding wire free of interruptions.

Abstract: In an armature, a coil includes a plurality of conductor segments, each provided with a conducting side section and a pair of protruding sections. The two protruding sections in each pair extend in opposite directions from each other with respect to a circumferential direction. Each protruding section is joined to a protruding section of another conductor segment to which that conductor segment is joined. At least one of each two protruding sections joined to each other is provided with an offset bend section that offsets a tip towards the other protruding section in a radial direction. The join surfaces formed on the tips of the two protruding sections are joined facing each other in the circumferential direction.

Abstract: A stator includes a hollow cylindrical stator core and a stator coil comprised of electric wires. Each of the electric wires has n in-slot portions and (n?1) turn portions, where n?4. The in-slot portions are sequentially received in p slots of the stator core, where p?n. The turn portions are located outside the slots to connect adjacent pairs of the in-slot portions. The radial distances from the longitudinal axis of the stator core to the first to the nth in-slot portions successively decrease. Each of the electric wires further includes bulges. Each of the bulges is formed, on a surface of a corresponding one of the in-slot portions or a surface of a portion of the electric wire which falls on an imaginary line extending axially from the corresponding in-slot portion, so as to protrude from the corresponding in-slot portion in a radial direction.

Abstract: A motor including a stator and rotor. The stator includes a stator core, slot portions and coils. The stator core includes stator core pieces with teeth portion having a distal end portion and two side portions, a yoke portion, and a claw portion formed at one of the two side portions. At the distal end portion, the stator core pieces are connected so that claw portions protrude in the same circumferential direction to form the stator core into a cylindrical shape. The slot portions are formed between adjacent teeth portions and between the stator core pieces. The coils form three phases which are inserted into the slot portions, are bridged between two of the slot portions and include end portions that protrude from an edge face of the stator core in an axial direction. The coils are arranged so that the end portions are intersected with each other.

Abstract: A stator segment for a stator of a ring generator is provided. The stator segment includes a base element and a coil element attached to the base element. The base element includes a connection region, wherein the connection region is adapted for attaching a connecting coil element which connects the stator segment to a further stator segment.

Abstract: The invention relates to a winding body for an electric motor and, in particular a brushless direct current electric motor (200) with an air gap winding. At least two bobbins (12, 14; 22, 24; 32, 34) per stand (10, 20, 30) are provided. The invention also relates to a method for the production of said winding body. According to the invention, the bobbins (12, 14; 22, 24; 32, 34) of a strand (10; 20; 30) of the winding body (100) are wound immediately behind each other.

Abstract: A rotating electromagnetic machine has a tubular axle with mounting rings, a common ring, a coil input ring, and at least one bearing set mounted on it. A fitting is secured at a distal end of the tubular axle, and a commutator is secured at the proximal end. A housing is mounted on the bearing sets through adaptors. Connecting bars extend axially within the axle with lateral rods joined to the connecting bars at their distal ends, the bars commuting between segments of the commutator electromagnetic coils. A plurality of the electromagnetic coils are secured to the coil input ring. The coils are formed of spiral turns of a single flat strip electrically conductive material. A plurality of peripheral and sector magnets are mounted adjacent to the electromagnetic coils with electromagnetic interaction when relative motion occurs between the coils and the magnets.

Abstract: The present invention relates to armature windings for DC electrical machines, and in particular to those that use electronic commutation and have relatively few slots per pole-pair. The armature windings are particularly well suited for use with rotating DC electrical machines that have a large diameter and a large number of poles such as those that might be directly coupled to the turbine blade assembly of a wind turbine. The armature winding is arranged in relation to the magnetic field generated by a field winding or by permanent magnets such that a number of commutation events during the time taken for the relative movement between the armature and the field system of one pole-pair is much larger than the number of coils per pole-pair.

Abstract: An electric rotating machine includes a multi-phase armature coil that is wound around a cylindrical armature core in a distributed winding manner. Each of phase windings of the armature coil is formed of an electric wire bundle which includes a plurality of insulation-coated electric wires that are electrically connected to one another. Each of the electric wire bundles forming the phase windings has a plurality of in-slot portions and a plurality of turn portions. Each of the in-slot portions is received in a corresponding slot of the armature core. Each of the turn portions protrudes from a corresponding axial end face of the armature core and extends to connect a corresponding adjacent pair of the in-slot portions of the electric wire bundle. For each of the electric wire bundles, the electric wires of the electric wire bundle are stranded at least at the turn portions of the electric wire bundle.

Abstract: The invention relates to a method for manufacturing a cylindrical winding for slotless electrical machine according to the following steps: a) a winding head moving according to three axes X, Y, Z, winds continuously a wire following to a winding program around two set of needles and on the external surface of a first cylindrical tube said needles being located on the conical shaped end surfaces of two identical cylindrical bodies, partially located inside said cylindrical tube, axially juxtaposed and axially and rotatable movable, b) after the achievement of the winding operation of all the electrical machine phases all around the 360° peripheral surface of said first cylindrical tube a second cylindrical tube is put around the achieved winding; c) said two sets of needles are taken away and the two cylindrical bodies are moved away.

Abstract: A tapered cage coil is prepared, having a small-diameter top coil end 101 and a large-diameter base coil end. The tapered cage coil is axially inserted into a stator core. Then, the tapered cage coil is radially expanded to thrust slot-accommodated portions of the coil into slots of the stator core. This can eliminate the necessity of deforming the base coil end to thereby facilitate the manufacturing procedures. At the same time, possible spring back can be mitigated.

Abstract: A stator element for an electrical machine is disclosed. The stator element includes a yoke having at least two adjacently disposed axially extending slots for accommodating at least one stator winding, the stator winding being built of a number of strands stacked on top of each other in radial direction, with each stator winding comprising end windings axially extending off the yoke, wherein the strands of the respective stator winding differ in their axial lengths with at least one end winding of a respective stator winding having a bevelled or curved shape.

Abstract: A superconducting rotating electrical machine has a rotor with superconducting windings and a stator disposed around the rotor. The stator has a number of teeth disposed at a regular interval about a rotational axis of the rotor to define slots each between adjacent teeth and a plurality of windings, each winding having a strip-like wire member, the wire member having a plurality of rectangular cross-section wires in which said rectangular wires are arranged in parallel to each other and electrically insulated away from each other, the winding being constructed by winding the strip-like wire member a plurality of times to have first and second winding portions having a cross section in which the rectangular wires are positioned in matrix.