Abstract: An end turn support for a generator includes a wire support. The wire support extends along an axis in a radial direction from an axis of rotation. The wire support defines an arcuate wire receipt surface.

Abstract: A rotating electric machine includes an annular stator including a coil formed by winding a part of a coil wire around a stator core, and the coil wire includes the coil wound around stator teeth, a terminal portion drawn out from one end portion of the coil over a yoke portion, and a wiring drawn out from the other end portion of the coil over the yoke portion and connected to a terminal portion of another coil wire including another coil provided at a distance from the coil in a circumferential direction of the stator.

Abstract: The winding overhang of the rotor of an electrical machine is subject to strong centrifugal forces during operation, especially when the machines run at high speed. The winding overhang support prevents the production of relative movements between the winding overhang and the rotor base. These movements result in strong mechanical stresses on the winding bars. The winding overhang support includes an inner ring and an outer ring between which the winding bars are arranged in the region of the winding overhang, the outer ring being shrunk on the inner ring and both the outer ring and the inner ring being interspaced from the lamination stack.

Abstract: The present invention discloses a motor. A rotor and bearings are installed first and then copper wires are wrapped by a machine. Therefore, the copper wires wrapped are denser and thinner that a space filling factor is improved and an entire size of the motor is reduced. In addition to saving of electricity consumption and improvement of motor performance, the bearings are directly enclosed in two insulation plates to isolate from ambient environment, so that dust contamination can be reduced and noise from operation can be decreased, thereby extending a service life of the motor. Furthermore, packing and transportation costs can be even saved. Additionally, the insulation plates include plural insertion slots for insertion with copper plates which are electrically connected with a motor power cord. Thus, an inner stator can be connected with the power cord by plugging, so as to save labor work and time.

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: An interfitting groove is disposed in a bottom portion of a trough portion so as to have a groove direction that is axial and so as to extend axially outward from axially inside, and a rotation arresting portion housing recess portion is recessed into an axially inner opening edge portion of the interfitting groove on a first yoke portion. A magnet holding seat that holds a permanent magnet is disposed in the trough portion by an interfitting portion being fitted into the interfitting groove such that radial movement is restricted. A rotation arresting portion that is disposed so as to project axially outward from a flange portion of the bobbin is housed inside a space that is constituted by the rotation arresting portion housing recess portion and an external shape reduced portion that extends axially inward from the interfitting groove such that rotation of the bobbin around the shaft is restricted.

Abstract: An electrically commutated DC motor (1) for a liquid pump (2) with a pump housing (3) with a suction connector (4) and a pressure connector (5) for connection to a hydraulic circuit, an essentially disk-like pump rotor (6) mounted to rotate in the pump housing, consisting of an impeller (7) with several pump vanes and a permanent magnet (8), a partition (11) separating a pump space (9) from a dry space (10), in which the partition is arranged in an axial gap (12) between the pump rotor (6) and several axially aligned wound stator poles (14) of the DC motor. The present invention configures a DC motor, so that it can be installed simply and reliably, is designed particularly robust and therefore has a very long operating lifetime.

Abstract: An electric machine having a rotor and a stator that encloses the rotor. The stator is closed at its end faces by flanges. A slot insulation is applied in an axial direction to the stator and has means of centering the rotor and/or the flanges with respect to the stator.

Abstract: A dynamoelectric machine includes first and second magnet seat portions disposed to project from portions of first and second yoke portions that face respective inner circumferential surfaces near tip ends of second and first claw-shaped magnetic pole portions, and magnet housing portions disposed integrally to extend axially outward from outer circumferential portions of a pair of flange portions of a bobbin, extend near the first and second yoke portions that face the inner circumferential surfaces near the tip ends of the first and second claw-shaped magnetic pole portions, and be held by the first and second magnet seat portions.

Abstract: A motor stator is disclosed. Each of a first phase, second phase and third phase of three-phase winding has multiple toroidal coils and crossover wires connecting the coils. The crossover wire of the first phase runs inside the second phase coil and the third phase coil. The crossover wire of the second phase runs over the first phase coil with a guide by guide posts and runs inside the third phase coil. The crossover wire of the third phase runs over the first phase coil and the second phase coil with a guide by the guide posts.

Abstract: Provided is a winding bobbin with a simple structure, which allows, even when a number of layers formed by winding a conductor is odd, a winding start-side lead wire and a winding end-side lead wire to be led out in the same direction while ensuring a desired outer diameter size of a rotor coil without loosening a tightly wound conductor. The winding bobbin (50) includes a first flange portion (51) and a second flange portion (52) on both sides of a cylindrical winding portion (49). The second flange portion (52) is provided with a second locking portion (58) for locking a winding end portion (45) of the conductor which is wound around the winding portion (49) in an odd number of layers.

Abstract: The invention relates to a dynamoelectric machine, comprising the following components or features: a rotor body; annular winding heads arranged axially next to the rotor body and coaxially in relation thereto; a support ring which is arranged radially inside the winding heads and coaxially in relation thereto; the winding heads and the support ring are torsion-proof with the rotor body; the winding heads and the support ring are clamped together in the radial direction by tension rods which are guided through radial boreholes in the winding heads and in the support ring.

Abstract: A DC motor 12, has a stator housing 16 accommodating a permanent magnet stator and a rotor 15 rotatably mounted confronting the stator. The rotor 15 has a shaft 21, a rotor core 22 fitted to the shaft and having laminations forming salient poles or teeth 27. A commutator 23 is fitted to the shaft adjacent one end of the rotor core and windings 24 are wound about the teeth and terminated on segments of the commutator 23. The windings is formed by a number of coils with each coil being wound around a single tooth of the rotor and each tooth supporting a single coil. Brush gear comprising a plurality of brushes 26 in sliding contact with the commutator 23, transfers electrical power to the windings.

Abstract: A stator comprises a core, a plurality of wire coils, an end turn phase insulator, and at least one lead wire. The wire coils are wound through the slots of the stator and form end turns as they wind from slot to slot. The end turn phase insulator comprises an end turn separating portion and a lead wire restraining tab. The end turn separating portion is sandwiched radially between an inner end turn and an outer end turn. The lead wire restraining tab extends from the end turn separating portion and is partially wrapped over the outer end turn in a manner sandwiching the lead wire between the lead wire restraining tab and the outer end turn. This prevents the lead wire from migrating into the core of the stator.

Abstract: In a motor that includes bus bars each of which has an intermediate electrical path portion, end electrical path portions, and a main electrical path portion, the width of a portion of the intermediate electrical path portion at which the multiple end electrical path portions are formed between the main electrical path portion and an end portion of the intermediate electrical path portion is decreased from the portion at which the main electrical path portion is formed toward the end portion of the intermediate electrical path portion in such a manner that the width is decreased immediately after each intervening end electrical path portion by a unit width “w” that is equal to the width of the end electrical path portion. Thus, it is possible to prevent the current density in the intermediate electrical path portion from being excessive so that the current density is maintained substantially constant, and to attain lighter bus bars, and, consequently, to attain a lighter motor.

Abstract: A component for an electric machine includes a spool having a main body portion provided with a first end portion that extends substantially uninterrupted to a second end portion through an intermediate portion. A plurality of mounting elements are provided on the first end portion. A star member is operatively connected to the spool. The star member includes a main body, a plurality of flap members that extend from the main body and collectively define a central opening, and a plurality of mounting members that extend into the central opening. The plurality of mounting members engage with corresponding ones of the plurality of mounting elements to detachably mount the star member to the first end portion of the spool.

Abstract: A rotating electric machine including an edgewise coil formed of a rectangular wire is efficiently cooled. The edgewise coil is formed by winding the rectangular wire around a tooth. In order to wind the rectangular wire around the tooth of rectangular shape, supporting portions determining the position of the edgewise coil relative to the tooth are provided. A coolant flows through a cooling water channel provided between the tooth and the edgewise coil formed of the rectangular wire and positioned by the supporting portions.

Abstract: A concentrated winding coil includes a plurality of coil layers each of which comprises a plurality of wire turns wound in alignment winding; and a bobbin including an inner flange, an outer flange and a bobbin body on which the wire is wound, wherein: each of the coil layers includes a turn shift portion where the wire is shifted from an n-th turn to an (n+1)-th turn; the turn shift portion is located only on a side of a coil end section of the coil; and the bobbin body has no guide grooves. A method of manufacturing the concentrated winding coil includes steps of: winding the wire on the bobbin; and pressing the wire by a wire guiding/holding member toward the inner flange or toward the outer flange.

Abstract: A downhole electric motor device has a longitudinally extending tubular housing; a stator part deployed within the tubular housing; a stator coil winding looped through the stator part with an end turn having an apex; and a connecting device connecting between at least one of the coil windings and an end of the housing adjacent to an end of the stator part, thereby supporting the coil winding.

Abstract: A motor for a compressor includes a rotor and a stator disposed radial outside of the rotor. The stator includes a stator core having oppositely facing axial end faces, insulators disposed so as to face the end faces, and coils wound on the stator core and the insulators. Each of the insulators has an annular part, a plurality of teeth protruding radially inwardly from an inner circumferential surface of the annular part at specified circumferential intervals, an outer circumferential wall having one end fixed to an end face of the annular part, and protrusions disposed on an outer circumferential surface of an outer circumferential wall of an insulator. At least one lead wire of the coils is drawn out to an outer circumferential side of the outer circumferential wall, guided along the outer circumferential wall, and passed on a side of the protrusions facing the stator core.

Abstract: A cooling fan includes a fan housing, a stator mounted in the fan housing and a rotor rotatablely supported by the stator. The stator includes a stator core, an insulating frame attached to the stator core and stator coils wound on the insulating frame and around the stator core. The insulating frame electrically insulates the stator coils from the stator core. The stator core includes a main body and a plurality of claws. Every two neighboring claws define a receiving room therein. The insulating frame includes a bottom portion located at a bottom of the stator core and a plurality of flanges extending upwardly from the bottom portion into the receiving rooms of the stator core, respectively. A height of the flanges is no less than that of the stator core.

Abstract: In a stator structure 1 of an outer rotor generator, a pressing portion 33 provided on a first portion 31 of a connecting terminal 30 is configured to protrude inward in the radial direction of an annular coupler 20 when the connecting terminal 30 is attached to the coupler 20. The coupler 20 is formed with a circular cylindrical guide protrusion 23, and an outlet of a stator winding 5 having wound on a salient pole 10b is configured to be guided by the guide protrusion 23, bent inward in the radial direction and reach the pressing portion 33. After fusing processing, the first portion 31 on which the pressing portion 33 is provided is bent at a right angle toward a side opposed to a side with which the stator winding 5 is connected, and then a distal end thereof is locked at a lock portion 26.

Abstract: A stator includes multiple motor coils. The motor coils include multiple U-phase coils, multiple V-phase coils and multiple W-phase coils which are arranged in a circumferential direction of a motor. A neutral bus ring connects the motor coils together. The neutral bus ring is divided into multiple bus ring members. Each bus ring member connects together any one of the U-phase coils, any one of the V-phase coils and any one of the W-phase coils.

Abstract: The motor including a stator having a stator core, and an insulator provided to the stator core for winding a coil thereon, a rotor rotatably provided with respect to the stator, and a tap terminal provided to the insulator for positioning an end of the coil, wherein the coil includes a core wire of aluminum.

Abstract: An electric machine includes a housing, a stator mounted within the housing, and a rotor including a spool assembly. The spool assembly includes a spool having a main body portion having a first end portion that extends substantially uninterrupted to a second end portion through an intermediate portion. The spool further includes a first plurality of mounting elements provided on the first end portion and a second plurality mounting elements provided on the first end portion. A star member is secured to the first end portion of the spool.

Abstract: A stator, with a stator core, a plurality of windings with a plurality of in-phase windings and anti-phase windings, a plurality of slots, an insulating plate, a plurality of cylinders, and a plurality of teeth. The teeth protrude from the stator core. The winding is received in the slot and wraps around the tooth. The insulating plate is disposed on the surface of the stator core. The cylinders are disposed on the insulating plate. A transition line is disposed between two adjacent teeth and hangs on the cylinder. A plurality of supporting mechanisms is disposed on the cylinders.

Abstract: A motor stator is disclosed. Each of a first phase, second phase and third phase of three-phase winding has multiple toroidal coils and crossover wires connecting the coils. The crossover wire of the first phase runs inside the second phase coil and the third phase coil. The crossover wire of the second phase runs over the first phase coil with a guide by guide posts and runs inside the third phase coil. The crossover wire of the third phase runs over the first phase coil and the second phase coil with a guide by the guide posts.

Abstract: An armature includes a plurality of armature elements, wherein each of the armature elements has an armature element core that has a predetermined core length and has end faces spaced apart in a core length direction and side faces connecting the end faces, a first coil that is formed by winding a wire over the side faces and the end faces, a second coil that is formed, after forming the first coil, by winding a wire over the side faces and the end faces so that on the side faces the second coil is formed contiguously to the first coil, and an end structure member that is provided on each of the end faces, has a first-winding face and a second-winding face on which the wires of the first coil and the second coil are wound, respectively, and has a riser formed between the first-winding face and the second-winding face, the end structure member in which a vicinity of the riser on the second-winding face is positioned farther from the each of the end faces than the first-winding face.

Abstract: The claw-pole-rotor shaft has a front end with a radially larger-sized section, two knurled regions known as crimping regions, intended to be assembled with the claw-pole rotor by local deformation of the material of the claw-pole rotor, and a centring region for centring the claw-pole rotor, the crimping regions being positioned on each side of the centring region while the centring region projects radially with respect to the crimping regions of the shaft, these themselves projecting radially with respect to the section of larger radial size at the front end of the shaft. The claw-pole rotor is characterized in that it is equipped with such a shaft while the rotary electrical machine is characterized in that it is equipped with such a rotor.

Abstract: An exemplary slot closure arrangement has a sliding block and a pressure piece. At least one spring element is arranged in between them and can be prestressed by at least one attachment, which interacts with the sliding block and the pressure piece, thus creating a prefabricated assembly. Once the slot closure arrangement has been positioned in a slot, the attachment can be mechanically moved from a first position to a second position, which can be monitored, after positioning of the slot closure arrangement, for activation of the spring forces of the at least one spring element.

Abstract: A rotor assembly is disclosed for use with an alternator. The rotor assembly includes a bobbin assembly, a claw pole assembly having an integrated hub on which the bobbin assembly is positioned, a shaft that is received in the claw pole assembly, and a slipring assembly connected to the shaft. The bobbin assembly includes thin first and second end caps, a metal sleeve, a ring of inner tape, a field coil, and a ring of outer tape. The first and second end caps each have inner and outer flaps. The inner flaps are folded inwardly so that the end caps fit over the metal sleeve. The ring of inner tape is wrapped around the inner flaps of both end caps to adhere the first and second end caps to the metal sleeve. The field coil is wrapped around the inner ring of tape, inner end caps, and metal sleeve. The outer flaps on the end caps are inwardly folded around the field coil. The ring of outer tape is adhered to the folded outer flaps and the field coil.

Abstract: There is provided an electronic motor in which a stator core is thinned to obtain an increased diameter of a rotor is to produce a high power output, and a stator can be positioned with high accuracy at the time when a coil is wound on the stator. The outside peripheral surface of a yoke part 31 is substantially the same as the outside peripheral surface of a flange 42 of an insulator 4, and in a part of the flange 42, a cut-away part 43 is provided to expose a part of the end face of a stator core 30.

Abstract: In a rotor for a rotating electrical machine, a flange of an insulating bobbin is formed with a first hook portion and a second hook portion. The first hook portion directs a lead of a field coil both against the winding direction of the field coil and radially inward. The first hook portion has a first groove in which is hooked a proximal portion of the lead. The second hook portion directs the lead axially outward. The second hook portion has a second groove which has an open end on a radially inner periphery of the second hook portion, a closed end positioned radially outward of the open end, and a neck between the open and closed ends. The second hook portion has an intermediate portion of the lead hooked in the second groove between the neck and closed end of the second groove.

Abstract: A rotor for an electrical machine, in particular a synchronous machine has a rotor axis which defines a rotor shaft. The rotor has a winding support which is arranged on the rotor shaft such that they rotate together, in such a way that it surrounds the rotor shaft in a centre section with respect to the rotor axis. The winding support is fitted with a superconducting rotor winding. The rotor has a sleeve which at least radially surrounds the winding support and the rotor winding with respect to the rotor axis. At least in the area, in which it radially surrounds the winding support and the superconducting rotor winding, the sleeve is formed integrally from a metal alloy, which is non-magnetic, has an electrical conductivity of at least 60% of the electrical conductivity of copper at 20° C., has a mechanical tensile strength of at least 250 N/mm2 at 200° C. and has a 0.2% proof stress of at least 200 N/mm2 at 200° C.

Abstract: In a stator mounting method in which a coil unit is inserted into a stator core and a lead wire protruding from the coil unit is inserted into and mounted on a terminal portion of the stator core, the lead wire is passed through a lead wire pullout portion located at a predetermined position of a coil frame body, a height from an inner peripheral upper face of the coil frame body to the lead wire pullout portion is equalized with a distance from a core upper face of the stator core to a lead wire insertion position inner peripheral lower face of the terminal portion, and the core upper face of the stator core is held in contact with an inner peripheral upper face of the coil frame body after the lead wire is inserted into the terminal portion.

Abstract: A motor stator is disclosed. Each of a first phase, second phase and third phase of three-phase winding has multiple toroidal coils and crossover wires connecting the coils. The crossover wire of the first phase runs inside the second phase coil and the third phase coil. The crossover wire of the second phase runs over the first phase coil with a guide by guide posts and runs inside the third phase coil. The crossover wire of the third phase runs over the first phase coil and the second phase coil with a guide by the guide posts.

Abstract: In an armature of a motor, each of windings is wound around at least two of a plurality of tooth portions of a core to form at least two wound parts of the winding. A crossover of each winding, which connects between corresponding two of the at least two wound parts, is placed on one axial side of a ring portion of the core. A crossover relief space is axially recessed in an end surface of the ring portion on the one axial side. At least a portion of each crossover is received in the crossover relief space. Guides project on the other axial side of the core and guide winding terminal portions of the windings.

Abstract: The present invention provides a motor comprising: a stator which contains a core insulated with an insulator and wrapped with a coil therearound, wherein the coil includes an aluminum core wire with a coating film therearound; a tab terminal including at least one slit in which the coil is inserted; and a magmate that is inserted into the tab terminal by forming both the slit to which the coil is electrically connected through insertion and a contact unit which contacts the external electric terminal for an electric connection, characterized in that the tab terminal is divided by a barrier into a coil connection space unit and a terminal connection space unit, and the slit opened from the upper side to the lower side is formed on an outer wall of the coil connection space unit to allow the insertion of the coil.

Abstract: Provided is a brushless alternator for preventing water from penetrating further inside through a gap between a distal end portion of a spool and a concave portion of a bracket. According to the brushless alternator of the present invention, a rotor includes: a rotor main body; and a coil body (30) fixed to a rear bracket (21). The coil body (30) includes: a bobbin (32); a field coil (13); a yoke portion (10) of a second magnetic pole, the yoke portion (10) having one lateral surface being in close contact with a lateral surface of the bobbin (32) and another lateral surface being bonded to the rear bracket (21); a spool (31) provided on an inner circumferential surface of the yoke portion (10) and an inner circumferential surface of the bobbin (32); and a rubber bush (101) provided to a projecting portion (312) at a distal end of the spool (31).

Abstract: A coil member such as a coil bobbin may include a cylindrical drum part around which a coil is to be wound in a circular shape. The cylindrical drum part is formed by two molding dies and a flat face part is formed on an outer peripheral face of the cylindrical drum part so that a space part is formed between an innermost circumferential face of the coil to be wound and the flat face part. The flat face part is formed so that the two molding dies are separated without pressing the outer peripheral face of the cylindrical drum part, and a joining part on the drum part which is formed by the two molding dies is located on the flat face part. The coil member may be only a coil bobbin, a coil bobbin with a terminal part, or a coil bobbin which is integrated with a stator core.

Abstract: A stator assembly is provided and includes a laminated core and a one-part insulator having cover walls for covering edges of the laminated core, wherein first projections and a second projection both having a height smaller than the difference between the height of the cover walls and the thickness of the laminated core are formed on one side surface of the insulator in such a manner as to make contact with a part of one axial end side surface of the laminated core, whereby a gap which corresponds to the projection distance of the first and second projections and which serves as a clearance space for chips scraped by the edges of the laminated core from the surfaces of the cover walls is provided between the insulator and the laminated core, resulting in ensuring that the insulator is snap-fitted on the laminated core in good shape.

Abstract: Provided is a winding bobbin with a simple structure, which allows, even when a number of layers formed by winding a conductor is odd, a winding start-side lead wire and a winding end-side lead wire to be led out in the same direction while ensuring a desired outer diameter size of a rotor coil without loosening a tightly wound conductor. The winding bobbin (50) includes a first flange portion (51) and a second flange portion (52) on both sides of a cylindrical winding portion (49). The second flange portion (52) is provided with a second locking portion (58) for locking a winding end portion (45) of the conductor which is wound around the winding portion (49) in an odd number of layers.

Abstract: Plate-shaped projections are provided on a front insulator in such a manner as to project towards a front housing. In addition, projecting pieces are provided on a surface of each projection which confronts an inner circumferential surface of a stator housing. The projecting pieces are provided on each projection in such a manner as to form three rows which are parallel to an inner circumferential direction of the stator housing. Spaces between the respective rows constitute guide paths by which the transition wirings which connect between the coils are disposed on the projection in such a manner as to be spaced apart from each other.

Abstract: The rotational electric machine includes a cylindrical yoke and a field winding connected to an inner surface of the cylindrical yoke. The field winding is composed of plural formed coils, each coupled to a bobbin. The bobbin includes a first flange for insulating the formed coil from the inner surface of the cylindrical yoke, a second flange for insulating the formed coil from a supporting brim of a pole core and a pipe portion for insulating the formed coil from a boss portion of the pole core. The first flange is made all around the pipe portion while the second flange is formed to extend only in the lateral direction of the pipe portion. The bobbin is easily coupled to the formed coil by flexibly bending the bobbin. Alternatively, the bobbin or bobbins may be made by folding a bobbin sheet after placing the formed coils on the bobbin sheet.

Abstract: An end turn support for a generator includes a wire support. The wire support extends along an axis in a radial direction from an axis of rotation. The wire support defines an arcuate wire receipt surface.

Abstract: An interfitting groove is disposed in a bottom portion of a trough portion so as to have a groove direction that is axial and so as to extend axially outward from axially inside, and a rotation arresting portion housing recess portion is recessed into an axially inner opening edge portion of the interfitting groove on a first yoke portion. A magnet holding seat that holds a permanent magnet is disposed in the trough portion by an interfitting portion being fitted into the interfitting groove such that radial movement is restricted. A rotation arresting portion that is disposed so as to project axially outward from a flange portion of the bobbin is housed inside a space that is constituted by the rotation arresting portion housing recess portion and an external shape reduced portion that extends axially inward from the interfitting groove such that rotation of the bobbin around the shaft is restricted.

Abstract: An insulator is provided between a stator core and a conductive wire provided on the stator core. The insulator includes a wound portion, around which the conductive wire is wounded, having a substantially rectangular shape; and a flange, formed in the axial end of the wound portion in the stator tooth tip side, for pressing the conductive wire in the axial direction (radial direction relative to the rotation axis of a rotor in a configuration of a rotating electrical machine). The flange includes four corner portions at its four corners, and intermediate portions formed between the four corner portions to have a width (B2) narrower than the width (B1) of the four corner portions. In addition, the flange has a tip with a curved shape.

Abstract: An electrical machine comprising a rotor and a stator is provided. The stator includes a plurality of stator tooth modules configured for radial magnetic flux flow. The stator tooth modules include at least one end plate, and the end plates have extensions for mounting onto a stator frame. The stator is concentrically disposed in relation to the rotor of the electrical machine.

Abstract: A spool includes at least one bobbin and one winding wire, e.g., a winding wire lacquered for electrical insulation, the bobbin including at least one channel, e.g., one arranged as a pocket, at least one sleeve being electrically connected to the winding wire, the sleeve being electrically connected to an electrical line, e.g., a stranded conductor of a cable, the sleeve including deformable regions, for producing the electrical connections, a respectively deformable region being deformable such that a force-locking connection is provided and welding is able to be carried out.

Abstract: An electric motor stator according to the present invention includes two resin insulation components, each resin insulation component including a long side portion, facing a side face of the teeth section, and two short side portions, extending from respective ends of the long side portion and facing respective end faces of the laminated core in a lamination direction. The laminated core is clamped by the two resin insulation components from a direction along surfaces of the electromagnetic steel plates, and fitting portions of the two short side portions of each of the two resin insulation components are used to fit the two resin insulation components to each other.