Entries |
Document | Title | Date |
20080201935 | Manufacturing Method for Rotary Electric Machine and Stator - A manufacturing method for a rotary electric machine according to the present invention comprises steps of: (1) preforming a coil including a plurality of element coils of an insulated conductor; (2) inserting a first side of a first element coil of the element coils into a first slot of a stator core through an opening of the first slot; (3) inserting a second side of the first element coil into a second slot in which a first side of a second element coil of the element coil has been already inserted; (4) electrically connecting coil ends of a plurality of the coils to each other; and (5) rotatably mounting a rotor inside the stator core. | 08-28-2008 |
20080209713 | WINDING METHOD FOR STATOR OF MOTOR - According to a nozzle winding method of causing a nozzle ( | 09-04-2008 |
20080216303 | METHOD OF APPLYING OUTER INSULATION TO A BARE STATOR BAR - A method of applying an outer insulation to a bare stator bar to form an insulated stator bar. The method entails extruding at least one extruded member that will form the outer insulation. The extruded member has an opposing pair of edges that are parallel to the longitudinal length of the extruded member. In addition, the extrusion process creates an inner cavity that extends the longitudinal length of the extruded member. A bare stator bar is then inserted into the inner cavity of the outer insulation so that the outer insulation surrounds the perimeter of the bar and extends along a longitudinal length thereof. The opposing pair of edges of the extruded member are then attached together so that the perimeter of the bar is entirely enclosed by the extruded member. | 09-11-2008 |
20080244894 | METHOD FOR WINDING BRUSHLESS DC MOTORS - A method of making a wound field for a brushless direct current motor, direct current generator, alternating current motor or alternating current generator, includes providing a base mold having an engagement face with at least one movable end turn form. A number of distinct phases is determined and at least one strand of conductive material is wound around at least one movable end turn forming tool per distinct phase. One conductive coil is created from each strand of conductive material for each distinct phase. Each conductive coil is formed into a configuration that indicates the number of poles required. Each conductive coil is then placed onto an insertion instrument. The insertion instrument and each conductive coil are inserted into a stator core. The insertion instrument is removed from the stator core, and the stator core is installed into one of the aforementioned motors or generators. | 10-09-2008 |
20080256782 | METHODS FOR FORMING A MAGNET IN A ROTOR - Methods are provided for forming/inserting a magnet in a rotor. One method includes coating a plurality of magnetizable particles with a non-metallic material, inserting the coated particles in a rotor, and magnetizing the coated particles. Another method includes inserting a plurality of magnetizable particles into a rotor, submersing the rotor in motor varnish to coat the particles with motor varnish, and magnetizing the particles. Yet another method includes inserting a plurality of magnetizable particles in a rotor, inserting a non-metallic material into the rotor, mixing the particles and non-metallic material to form a mixture, curing the mixture to coat each particle with non-metallic material, and magnetizing the particles. Still another method includes mixing a plurality of magnetizable particles with a non-metallic material, curing the non-metallic material to coat each particle with non-metallic material, inserting the coated particles in a rotor, and magnetizing the coated particles. | 10-23-2008 |
20080256783 | METHOD FOR PRODUCING A STATOR ASSEMBLY - The present invention provides a method for producing a stator assembly. The method initially includes providing an assembly mandrel having a generally cylindrical hub and a generally annular base circumscribing a terminal end portion of the hub. A first end ring and a stator shell are installed around the mandrel hub and onto the mandrel base. Thereafter, a plurality of poles are disposed on top of the first end ring and in a generally cylindrical pattern between the stator shell and the mandrel hub. A second end ring is disposed around the mandrel hub and on top of the plurality of poles. A plurality of stator shell tabs may then be bent in a radially inward direction to axially retain the first and second end rings. | 10-23-2008 |
20080282531 | CONCENTRATED WINDING MACHINE WITH MAGNETIC SLOT WEDGES - Methods and apparatus are provided for improving operational characteristics of a concentrated winding machine. According to an example embodiment, a method comprises fabricating a magnetic slot wedge that is adapted to be joined to a first stator tooth and a second stator tooth, the first and second stator tooth part of a fixed-tooth stator that does not allow relative movement between the first stator tooth and the second stator tooth. | 11-20-2008 |
20080307633 | MOTOR - In a motor, an insulator covering an armature core has a lid covering an end surface of the armature core. The lid has an inner ring disposed radially inside slots of the armature core and an outer ring disposed radially outside the slots. Each of a plurality of slot insulators inserted into the slots has a blocking portion at a position in the inner ring. | 12-18-2008 |
20080307634 | LAMINATED IRON CORE, METHOD AND DIE MACHINE FOR MANUFACTURING THE SAME - A laminated iron core includes a plurality of stacked iron core pieces punched out from a thin steel sheet material, each iron core piece including a plurality of slot holes for receiving coil windings. At least one electrically insulating sheet piece is stacked on an outer surface of a lowermost iron core piece. The electrically insulating sheet pieces include a spindle hole and a plurality of slot holes which have a substantially similar configuration to, but are smaller than, the slot holes of the iron core pieces whereby edges of slot holes of electrically insulating sheet pieces extend outwardly beyond edges of slot holes of iron core pieces. Burrs formed at edges of slot holes of iron core pieces are covered with edges of slot holes of electrically insulating sheet pieces so that a coil can be wound safely without directly contacting the burrs. | 12-18-2008 |
20090025203 | Method and apparatus for manufacturing laminated core and the laminated core - An apparatus for manufacturing a laminated stator core from core pieces according to a manufacturing method has a first station, a second station and a piling unit. The first station blanks out a steel plate to form a first hole in one core piece every blanking cycle so as to partly shape a portion of the core piece by forming the first hole. The second station blanks out the plate to form a second hole in one core piece every blanking cycle so as to partly shape the portion of the core piece by forming the second hole. Further, the first station differentiates a position of the first hole in each core piece from those in the other core pieces. Therefore, the core pieces having the respective portions are produced. The piling unit piles up the core pieces in layers to manufacture the laminated stator core. | 01-29-2009 |
20090049678 | METHOD AND APPARATUS FOR PRODUCING A WINDING FOR ELECTRICAL MACHINES - The invention relates to an electrical machine having a stator winding, its manufacturing method and manufacturing apparatus, wherein the winding is manufactured with a predetermined number of coils on automated winding machines and is then embossed in the region of the longitudinal sides of the coils such that the longitudinal sides ( | 02-26-2009 |
20090056103 | Rotor Shaft and Method of Manufacturing the Same - Disclosed is a method of manufacturing a rotor shaft including a rotor and a shaft having a groove formed on a periphery to open radially outwardly, the rotor being fixed to the shaft through a caulking plate disposed on the periphery of the shaft and adjacent the rotor in an axial direction thereof. This method comprises the step of caulking the caulking plate to fix the rotor to the shaft by applying a load to an end portion of the caulking plate from outside in a radial direction, opposite the groove, when the caulking plate is disposed in the predetermined place, causing a part of the caulking plate to be press-fitted into the groove. This caulking and fixing step includes pressing a punch against the caulking plate from outside in a radial direction of the shaft, thereby fixing the rotor to the shaft. | 03-05-2009 |
20090056104 | Manufacturing Method of Electric Motor - In a manufacturing method of an electric motor, at a time of in-sequence arc welding each of one end of a plurality of lined-up connector terminals to each of a plurality of lined-up detection signal output terminals by a welding rod provided in a torch of an arc welding machine, the method connects each of the other ends corresponding to the respective one end of a plurality of connector terminals to each of earth terminals of the arc welding machine in sequence. | 03-05-2009 |
20090064483 | Dynamo-electric machine component winding methods and apparatus - Stator designs have wide-mouth slots between adjacent poles. Wire coils with high slot fill conductivity are formed around the poles. In some designs, the wire coils are wave wound around the poles. Thick bar conductors can be used for making the wire coils. The wire coils may be inserted using nozzle dispensers or transferred from a pre-form mandrel. In other designs, the wire coils are pre-formed on transferable pockets that are then mounted on the poles. Optional pole extensions or shoes can be attached to the stator poles after the wire coils are formed around the poles. | 03-12-2009 |
20090064484 | METHOD FOR THE MANUFACTURING OF BALANCED TRANSDUCERS - The present invention is intended as a method for producing an electromagnetic transducer of variable reluctance type, where the transducer's seismic mass side and load side are mounted together in a first step while the inner and/or outer air gaps are supplied with shims in order to create balanced air gaps in an axial direction between the bobbin core's arms and the inner and outer yokes, whereupon in a second step the bobbin core is fixed through the side piece to an adapter already attached in a corresponding free moving end of a spring suspension, with compliant properties working in an axial direction and arranged between the seismic mass side and the load side in resting state in order to maintain balanced air gaps when finally, in a third step, the shims are removed and the air gaps are released. | 03-12-2009 |
20090064485 | STATOR OF AN ELECTRICAL MACHINE - In a method for making a stator of an electrical motor having a polygonal border, a rotor opening, a plurality of channels arranged on a periphery of the rotor opening, the channels are arranged so that corresponding distances are selected from the group consisting of a distance from the side is substantially a maximum and a distance between one of the channels and a respective one of the openings is greater than or substantially equal to the distance from the side, the distance between one of the channels and a respective one of the openings is substantially a maximum and the distance from the side is greater than or substantially equal to the distance between the one channel and the respective one of the openings and the distance from the side and the distance between the one channel and the respective one of the openings are substantially equal. The method includes the steps of moving the stator around an angle of rotation relative to a cross-sectional central axis of the stator; and removing a corresponding material so as to form the rotor opening, the channels, and the openings. | 03-12-2009 |
20090064486 | METHOD OF MANUFACTURING PERMANENT-MAGNET SYNCHRONOUS MOTOR - In a combination of, for example, a rotor having eight magnetic poles and a stator having twelve slots and pulsating components of permeance, which generate a sinusoidal cogging torque having maxima of the same number as the number of poles of the rotor, pressurizing parts arranged in predetermined positions, applying a force at an outer periphery of the stator and directed inwardly cancels the pulsating components of the cogging torque. | 03-12-2009 |
20090070985 | METHOD FOR WINDING BRUSHLESS DC MOTORS - A method of making a wound field for a brushless direct current motor, direct current generator, alternating current motor or alternating current generator, includes steps of providing a base mold and a press mold. Another step comprises determining a number of phases. At least one strand of conductive material per phase is formed between the base mold and press mold into a conductive coil that has a shape that indicates the number of poles required. Each conductive coil is inserted into the stator core, and the stator core is installed into one of a brushless direct current motor, direct current generator, alternating current motor or alternating current generator. | 03-19-2009 |
20090070986 | METHOD FOR WINDING BRUSHLESS DC MOTORS - A method of making a wound field for a brushless direct current motor, direct current generator, alternating current motor or alternating current generator, includes providing a base mold and a press mold. Next, a number of phases is determined. At least one strand of conductive material per phase is formed between the base mold and press mold into a conductive coil that has a shape that indicates the number of poles required. Each conductive coil is inserted into the stator core, and the stator core is installed into one of a brushless direct current motor, direct current generator, alternating current motor or alternating current generator. | 03-19-2009 |
20090077788 | Magnet cover caulking method of electric motor - In a magnet cover caulking method of an electric motor, the method achieves caulking and fixation by forming a taper-shaped outer peripheral portion, a diameter of which is reduced toward an outer side in an axial direction, in an outer periphery of a magnet holder, arranging an annular caulking jig in an outer periphery of a rotating shaft, pressing a taper-shaped forming portion a diameter of which is increased toward an outer side in an axial direction, provided in one end side of an inner periphery of the caulking jig to a straight end portion of a magnet cover installed to the outer periphery of the magnet and the magnet holder from the axial direction, and forming the end portion of the magnet cover according to the taper-shaped outer peripheral portion of the magnet holder. | 03-26-2009 |
20090077789 | Method of manufacturing stator core of electric rotating machine - In a method of manufacturing a stator core of an electric rotating machine, a cylindrical laminated core is formed by thinning a side portion of a steel plate with magnetic pole teeth and helically winding the steel sheet, and the stator core is manufactured by performing ironing for the laminated core. This laminated core has steel sheets aligned along the axial direction thereof, and the sheets have respective thinned outer end portions spaced apart from one another on the outer side of the laminated core. In the ironing, the thinned outer end portions of the steel sheets are brought into contact with one another in a forming apparatus, and an ironing load is given to the thinned outer end portions to shorten lengths of the thinned outer end portions in the radial direction of the laminated core at a predetermined value. | 03-26-2009 |
20090100665 | Method for Producing a Bar Winding for the Stator of an Electric Machine - The invention relates to a method for producing a bar winding ( | 04-23-2009 |
20090113696 | ROTATING ELECTRIC MACHINE STATOR CORE AND METHOD OF MAKING - A method of making a motor stator core having a back iron and a plurality of teeth extending radially inward from the back iron includes providing the plurality of teeth and the back iron from oriented steel so that a magnetic flux transmission path is formed with superior properties in essentially one direction. At least one of the plurality of teeth and the back iron is annealed in selected portions so as to improve magnetic flux transmission in a second direction, different from the one direction. | 05-07-2009 |
20090133243 | ROTATING ELECTRIC MACHINE MANUFACTURING METHOD AND ROTATING ELECTRIC MACHINE - There is provided a rotating electric machine capable of reducing torque pulsation, even when a slight stepped portion is present in an inner diameter shape of a stator core formed by allowing coupling split cores divided in every magnetic pole to be in an annular shape. The stator core is formed by stacking a plurality of laminates prepared by stack of coupling split core members formed by punching steel sheets in an annularly arranged shape in a state where the laminates are rotated one another by a predetermined angle. With such a configuration, it is possible to mutually offset torque pulsation components caused by the shape asymmetry of the laminates and reduce the torque pulsation components of the stator core on the whole. | 05-28-2009 |
20090133244 | METHOD OF MANUFACTURING SPINDLE MOTOR, AND SPINDLE MOTOR - A sleeve and a hub are fixed to each other, and then the sleeve and the hub are gripped and rotated around a central axis, during which cutting is performed over the inner peripheral surface of the sleeve and a flange surface of the hub. Thus, the flange surface can be finished accurately such that the flange surface is normal to the central axis and the inner peripheral surface of the sleeve. | 05-28-2009 |
20090133245 | ENHANCED CORELESS ALTERNATING CURRENT LINEAR MOTOR AND METHOD OF PRODUCING THE SAME - A coreless AC linear motor, including a magnet assembly forming a magnetic gap, and a can, the can further including a coil housing section forming a deep groove. The motor also includes a plurality of coreless coils inserted into the deep groove and arranged in a straight line inside the magnetic gap, and a cover body for sealing the can. | 05-28-2009 |
20090183357 | Magnetic powder metal composite core for electrical machines - A compacted magnetic powder metal component assembly for use in an electrical machine is provided. Each component assembly has a top section and a bottom section. | 07-23-2009 |
20090199393 | METHOD FOR MANUFACTURING CIRCUMFERENTIALLY DEPLOYING TYPE OF STATOR COIL AND MOTOR USING THE STATOR COIL - A stator coil to be wound in and around a stator is manufactured. An insulating-coating conducting wire is bent to alternately provide the wire with slot-held conductor sections held in slots of the stator and a coil-end conductor section mutually connecting the slot-held conductor sections outside the slots. The coil-end conductor section is deployed outside the stator in the circumferential direction thereof. In manufacturing the stator coil, three or more pairs of molds are located along a portion of the wire in its longitudinal direction at predetermined intervals. The coil-end conductor section is formed by moving the molds along a direction allowing paired molds of each mold to come closer to each other, and the slot-held conductor sections is formed by moving the molds, in parallel, in both a direction perpendicular to the longitudinal direction and the longitudinal direction thereof. | 08-13-2009 |
20090235516 | Method of Servicing a Power Generator - A method of servicing a stator frame of a power generator. The method includes removing a first stator core from a main housing of the stator frame, removing a plurality of first dove-tail shaped keybars that extend axially within and are coupled to a main support structure forming part of the main housing, and installing a plurality of second keybars in the main support structure. The second keybars are adapted to support a second stator core. Each of the second keybars has a generally rounded engagement surface and the second stator core includes recesses with shapes corresponding to the generally rounded engagement surfaces of the second keybars such that the second stator core can be securely supported in the main support structure by the second keybars. | 09-24-2009 |
20090260217 | METHOD OF MANUFACTURING COIL ASSEMBLY - A method of manufacturing a coil assembly of a rotary electric machine is disclosed wherein first and second coil wire segments are located on an axis direction in opposition to each other to allow first turn portions of the first and second coil wire segments to intersect with each other (in locating step). Engaging movement, composed of a forward transferring movement, a rotating movement and a translating movement, is conducted on the second coil wire segment with respect to the first coil wire segment to allow the first turn portion of the second coil wire segment to engage a second turn portion of the first coil wire segment (first engaging step). Conducting the engaging movement allows to engage a third turn portion of the first coil wire segment (second engaging step). | 10-22-2009 |
20090260218 | METHOD FOR MANUFACTURING A STATOR FOR INNER-ROTOR TYPE ROTARY ELECTRIC MACHINES - A tapered cage coil is prepared, having a small-diameter top coil end | 10-22-2009 |
20090260219 | METHOD OF MANUFACTURING COIL FOR STATOR INCORPORATED IN ROTARY ELECTRIC MACHINE - A method is provided for manufacturing a stator coil for a rotary electric machine, which is formed by winding up a plurality of phase wires. The method includes a shaping step for shaping a plurality of shaped wire members from electrically conductive wires, an integrating step for integrating the plurality of shaped wire members with each other to form an integrated body, and a winding-up step for winding the integrated body about a core member to form a wound body. At the winding-up step, curve forming is performed by plastically deforming turn portions of the integrated body into a curved shape, during conveyance of feeding the integrated body to the core member. | 10-22-2009 |
20090265914 | Method for inserting of preformed hairpin conductors into a rotor or stator - Method and apparatus for insertion of preformed rotor and stator conductors into a twisting machine for forming hairpin shaped conductors of rectangular wire into stator conductors. The method comprises providing a forming fixture having a plurality of pockets distributed in equal number in an even number of adjacent circles concentric with a center of the forming fixture, receiving hairpin conductors positioned side by side from a feeder and feeding the hairpins, one by one, into a hairpin insertion assembly oriented above the forming fixture so that the legs are side by side along a line passing through the center and disposed adjacent a pair of pockets in first and second adjacent circles, and with the forming fixture angularly indexed relative to the hairpin insertion assembly, pushing a hairpin conductor down so that the legs thereof extend into a respective pair of pockets, and indexing the forming fixture about the center to align an additional pair of pockets with a hairpin in the hairpin insertion assembly and repeating until the forming fixture is substantially populated with hairpin conductors. | 10-29-2009 |
20090276996 | HYDRODYNAMIC BEARING AND METHOD FOR MANUFACTURING THE SAME, AND SPINDLE MOTOR AND METHOD FOR MANUFACTURING THE SAME - The object of the present invention is to provide a hydrodynamic bearing, a method for manufacturing the same, and a spindle motor, with which the gap in the axial direction required for the smooth operation of a bearing can be sufficiently ensured. A method for manufacturing a hydrodynamic bearing comprising a shaft | 11-12-2009 |
20090276997 | METHOD OF PRODUCING COIL MADE UP OF RECTANGULAR WAVE-SHAPED WINDINGS - A method of producing a coil which comprises steps of bending each of straight coil wires into a rectangular wave shape including in-slot portions to be disposed in slots of a stator core and turned portions connecting between the in-slot portions, turning a coil bend-forming portion that is one of the in-slot portions of each coil wire which becomes a folded bend of a phase winding by 180° around an axis thereof, twisting the turned portions of the coil wires together to weave the coil wires into a wire bundle, and folding the wire bundle at the coil bend-forming portions of the coil wires to place sides of the wire bundle to overlap each other to make the coil, thereby eliminating the 180° twisting of the coil bend-forming portions to produce the coil without any undesirable deformation of the phase windings. | 11-12-2009 |
20090276998 | Short-Circuiting Member, Commutator, and Method of Manufacturing Short-Circuiting Member - A short-circuiting member for preventing a commutator from being elongated in the axial direction without increasing the types of different components. Each component includes outer circumference terminals arranged along an outer circumference, inner circumference terminals arranged along an inner circumference, and connection portions connecting corresponding outer and inner circumference terminals that are separated from each other by a predetermined angle in a circumferential direction. The outer and inner circumference terminals are substantially formed along the same plane. The components are laminated in a state in which the connection portions of one of the components are reversed to the connection portions of another one of the components. The outer terminals adjacent in a lamination direction are in contact with each other, the inner terminals adjacent in the lamination direction are in contact with each other, and the connection portions that are adjacent in the lamination direction are not in contact with each other. | 11-12-2009 |
20090313810 | METHOD OF MANUFACTURING COIL ASSEMBLY OF STATOR OF ELECTRIC ROTATING MACHINE - The method is for manufacturing a coil assembly of a stator of an electric rotating machine constituted by a plurality of interlaced coil wires each including a plurality of in-slot portions and a plurality of turn portions each of which connects adjacent two of the in-slot portions. The method includes a setting step of setting coil wires such that they are located on a circle and extend in parallel, and a plurality of shaping steps performed repeatedly for interlacing the coil wires into a doughnut shape. | 12-24-2009 |
20090320274 | ELECTROMECHANICAL TRANSDUCER AND FABRICATION METHOD OF ELECTROMECHANICAL TRANSDUCING APPARATUS - A groove is formed on a handling member, on a face to be fixed to an element, the groove making up a portion of a channel that externally communicates in the state of being fixed to the element. The handling member is fixed so that the cleavage direction of the vibrating membrane and the edge direction of the groove of the handling member intersect. Thus, the probability that a membrane will break during handling or processing of the substrate is reduced, and the handling member can be quickly removed from the substrate. | 12-31-2009 |
20090320275 | METHOD OF TWISTING COIL WIRE TO MAKE COIL ASSEMBLY FOR USE IN ELECTRIC ROTARY MACHINE - A method of producing a coil assembly to be wound in a stator core with a plurality of slots. The method prepares a first and a second coil wire each of which is made up of in-slot portions and turned portions, arranges the first and second coil wires in parallel with the turned portions being offset from each other in a lengthwise direction thereof, moves the first coil wire to establish engagement of the turned portions of the first and second coil wires, turns the first coil wire about a pivot where the turned portions engage, crosses the first coil wire over the second coil wire around the pivot, and turns the first coil wire around the pivot so as to twist the turned portions of the first and second coil wires together. This sequence of steps is repeated to twist or braid the first and second coil wires without undesirable deformation thereof. | 12-31-2009 |
20100000075 | STATOR MANUFACTURING APPARATUS AND METHOD FOR ROTARY ELECTRIC MACHINES - A method is provided, for manufacturing a stator for a rotary electric machine by shrink-fitting an outer cylinder to a core assembly where a cage-shaped wound coil is assembled with segment cores. The assembly is inserted into the outer cylinder having a diameter increased by thermal expansion caused by the heat from a heating unit, while the outer diameter of the assembly is being reduced by permitting the assembly to pass through a tapered guide unit. The guide unit has a portion whose diameter is larger than an outer diameter of the assembly, and a portion whose diameter is larger than an inner diameter of the outer cylinder and smaller than an inner diameter of the cylinder in the thermally expanded state, and a tapered through hole vertically passing through the guide unit. Thus, the size of the assembly is radially reduced, with a uniform diameter being obtained throughout the assembly. | 01-07-2010 |
20100005646 | Precision ground armature assembly for solenoid actuator and fuel injector using same - A solenoid actuator includes a hard guide piece and a soft flux piece. The hard guide piece has a stop surface ground to create a final air gap distance between the soft flux piece and a stator assembly when the stop surface on the guide piece is in contact with the stator assembly. The final air gap is set by grinding the stop surface on the guide piece so that the distance between the stop surface on the guide piece and a top surface on the soft flux piece along an axis of the guide bore is equal to the final air gap. The step of grinding the armature assembly may be done after attaching the guide piece and the flux piece together. In an exemplary embodiment, the step of grinding the stop surface and associated guide surface(s) are performed in a single chucking. | 01-14-2010 |
20100018031 | Motor manufacturing method - A method of manufacturing a motor includes coupling a base cover to a sleeve having a penetration hole formed therein, such that one side of the penetration hole is closed; inserting a shaft in the penetration hole; coupling a plate to the shaft such that the shaft is inserted in the plate; and pressing and coupling a hub to the shaft such that the shaft is inserted in the hub while the base cover is supported in an axial direction of the shaft. | 01-28-2010 |
20100043204 | Method of Constructing a Linear Drive Motor Assembly with a Core Comprising Commercially Available, Off-The-Shelf Honeycomb Material - A method of constructing a linear drive motor assembly is disclosed. In accordance with the method, a support plate and a platen with a plurality of teeth are provided. A honeycomb core comprising a commercially available, off-the-shelf honeycomb material is provided. The honeycomb core has a plurality of cells arranged in a planar array where the plurality of cells is defined by walls extending in planes substantially perpendicular to the planar array. The support plate is directly secured to one side of the planar array. The platen is secured directly to the other side of the planar array. A forcer having a motor stack is magnetically coupleable to the platen to form a linear drive motor. | 02-25-2010 |
20100043205 | METHOD AND APPARATUS FOR TERMINATING LEADS OF PLURAL WIRES IN DYNAMO ELECTRIC MACHINE CORE - Method and Apparatus are provided for automatically disposing plural wires along predetermined trajectories, wherein the plural wires extend from coils wound in slots of dynamoelectric machine cores. Plural wires forming leads ( | 02-25-2010 |
20100064505 | METHOD OF MANUFACTURING STATOR FOR DYNAMOELECTRIC MACHINE - There is disclosed a method of manufacturing a stator for a dynamoelectric machine. The method includes a step of mounting a hollow cylindrical electric wire assembly, which includes a plurality of straight stacked portions of shaped electric wires, to a hollow cylindrical stator core that includes a plurality of slots formed in the radially inner surface thereof. The mounting step includes: (1) placing the electric wire assembly radially inside of the stator core so that each of the straight stacked portions of the electric wire assembly is radially aligned with a corresponding one of the slots of the stator core; and (2) radially expanding the electric wire assembly to insert the straight stacked portions of the electric wire assembly into the corresponding slots of the stator core. | 03-18-2010 |
20100077599 | Method for manufacturing stator coil and apparatus for manufacturing stator coil - A stator winding is manufactured by a forming step, a winding step, and a expanding step. In the forming step, an S-shaped offset shape is formed on a conductor part corresponding to a coil end part. Thereby, in a coil end part, it is possible to provide an expected shape stably at the coil end part. The conductor is wound around a bobbin in the winding step. In the winding step, a twisted shape is given to the conductor parts to be the inclined part of the coil end and the conductor part to be accommodated in a slot. In the expanding step, a preform product removed from the bobbin is expanded into a shape of the stator winding. | 04-01-2010 |
20100101074 | Arcuate coil winding and assembly for axial gap Electro-Dynamo Machines (EDM) - An axial gap EDM deploys as a stator coils a series of two parallel serpentine windings that each circumscribe an arc segment of a circle. Each arc segment that forms the stator winding assembly is powered as a separate phase. The two winding are readily formed by shaping one or more wire segment. Preferably the parallel winding are arranged to overlap with a half period rotational offset such that the radial directed serpentine segments of that are disposed above and below the stator disk are interlaced when viewed in projection through the disk. In one embodiment, each series of serpentine winding are separated by a gap so that they can be inserted on the stator disk from the edge. A separate rotor disk is adjacent each side of this stator disk. In another embodiment, each series of serpentine winding are separated by a gap, so they can be inserted to surround a single rotor disk which has two series of magnets disposed on opposite sides. | 04-29-2010 |
20100107401 | METHOD OF MANUFACTURING MOTOR - A method of manufacturing a motor includes the steps of a) winding a coil wire on a stator core, and forming a stator; b) press fitting the stator formed in step a) inside the a casing; and c) sealing at least axial ends of the stator press fit inside the casing with resin. | 05-06-2010 |
20100125999 | METHOD OF FORMING COIL ASSEMBLY FOR STATOR - The method of manufacturing a coil assembly for a stator formed with slots includes a coil wire combination forming step of forming a band-like coil wire combination by overlapping a plurality of coil wires while forming them with in-slot portions to be accommodated in the slots and turn portions each connecting each adjacent two of the in-slot portions, and a shaping step of shaping the band-like coil wire combination into a cylindrical shape by helically winding the band-like coil wire combination. The coil wire combination forming step is carried out by performing an interlaced part forming step of forming an interlaced part by overlapping the coil wires with each adjacent two of the coil wires intersecting with each other and a non-interlace part forming step of forming an interlaced part by overlapping the coil wires with each adjacent two of the coil wires not intersecting with each other. | 05-27-2010 |
20100139082 | METHOD AND APPARATUS FOR LOADING STATOR WINDINGS INTO A STATOR CORE - An apparatus for loading stator windings into a stator core. The apparatus includes an arbor member including a body having an outer diametric portion including a plurality of slots. The apparatus also includes a first guide track having a first end that is positioned adjacent the outer diametric portion. A second guide track includes a first end is positioned adjacent the outer diametric portion and spaced from the first end of the first guide track. The apparatus further includes a third guide track including a first end is positioned adjacent the outer diametric portion and spaced from the first end of the first guide track and the first end of the second guide track. At least one of the first, second, and third guide tracks and the arbor member is positionable to guide slot segment portions of corresponding first, second, and third stator windings into predetermined ones of the slots. | 06-10-2010 |
20100139083 | HORIZONTAL AXIS WASHING MACHINE HAVING 4 POLE 36 SLOT MOTOR - A horizontal axis washing machine includes a clothing receptacle rotated by a | 06-10-2010 |
20100154200 | ASSEMBLY MECHANISM FOR MOTOR STATORS AND ASSEMBLY METHOD FOR THE SAME - An assembly mechanism is provided to press an inner stator into a receiving space of an outer stator. The assembly mechanism includes a pressing unit and a first positioning plate. The pressing unit includes a supporting device to support the outer stator, and a pressing device movable relatively to the supporting device. The first positioning plate is attached to a top of the outer stator. The first positioning plate defines an opening forming a clearance fit with the inner stator. The opening receives the inner stator and guides the inner stator to move into the receiving space of the outer stator under a pressing action of the pressing device. An assembly method is also provided. | 06-24-2010 |
20100170084 | Rotary electric machine with coil member and method of manufacturing coil member - In a rotary electric machine, a field coil member includes a first edgewise coil composed of a plurality of coaxially layered convolutions. The coaxially layered convolutions are wound around the outer periphery of the first pole core. The field coil member includes a second edgewise coil composed of a plurality of coaxially layered convolutions. The coaxially layered convolutions are wound around the outer periphery of the second pole core. The field coil member includes a link portion connecting between the first edgewise coil and the second edgewise coil in series. One of the first and second edgewise coils has one coil end extending therefrom to cross over the link portion at a crossover portion thereof. The crossover portion between the one coil end and the link portion is arranged to be non-overlapped with the convolutions of the one of the first and second edgewise coils. | 07-08-2010 |
20100186218 | Yoke of rotating electric machine and method of manufacturing the same - A method for manufacturing a yoke includes forming a through-hole that is open in a yoke bottom surface and a cylindrical bearing support portion by burring an edge of the through-hole using a burring punch, wherein the burring punch is located on a base end side at a distance from a cylinder front-end portion of the bearing support portion so as to form a ring-shaped flange portion inclined toward an inner radial side on the cylinder front-end portion of the bearing support portion. | 07-29-2010 |
20100192357 | METHOD OF MANUFACTURING LAMINATED CORE - A method of manufacturing a laminated stator core includes: forming a band-shaped yoke core sub-piece having a shape that an outer half is developed in a straight line when a yoke portion of the laminated stator core is divided into two halves in the width direction by punching a metal plate; forming an outer laminated yoke body by winding and laminating the band-shaped yoke core sub-piece in a spiral shape and coupling it in a caulking manner; forming an inner yoke-attachment magnetic core sub-piece having an inner yoke sub-portion obtained by dividing the inner half in a unit of magnetic poles when the yoke portion of the laminated stator core is divided into two halves in the width direction, by punching a metal plate; forming an inner yoke-attachment laminated magnetic sub-body by laminating and coupling a predetermined number of the inner yoke-attachment magnetic core sub-pieces to each other in a caulking manner; forming an intermediate assembly in which the inner yoke sub-portions form a ring shape by winding a coil on the inner yoke-attachment laminated magnetic sub-body and connecting the ends of the inner yoke sub-portions in a predetermined number of the inner yoke-attachment laminated magnetic sub-bodies to each other; and coupling the inner yoke-attachment laminated magnetic sub-bodies to the outer laminated yoke body by shrink-fitting the outer laminated yoke body to the outer circumference of the intermediate assembly. | 08-05-2010 |
20100192358 | Method of assembling a shaft for a magnetic motor - A method for making a magnetic linear motor shaft including thermal treatment to temporarily change the dimensions of various shaft components to allow tight interference fit assembly. The magnetic motor includes a core piece, annular magnets and pole pieces. | 08-05-2010 |
20100199487 | METHOD OF ESTABLISHING WIND POWER GENERATOR USING THE LEADING RAIL - The present invention relates to a method for installing a land wind power generator by using lead rails, and the method includes the steps of: locating a lower support having an insertion protrusion, a horizontal stepped surface, and a ground anchor, under the ground; locating a pair of posts of a tower crane and a cage for each post at the horizontal stepped surface of the lower support, ascending a nacelle assembly and an overhead crane, and locating an intermediate support by means of an outside crane; and locating the lead rails along the ground and the front surface of the intermediate support and ascending an upper support along the lead rails by means of the overhead crane. Next, after a nacelle base, a support frame, the lead rails, and the tower crane are disassembled from the located positions, a plurality of propellers connected to rollers located inside a rotary part of the nacelle assembly are lifted by means of a winch and are inserted into a plurality of coupling grooves of the rotary part. The method of this invention has relatively low installation costs and provides more effective and rapid installation processes to advantageously reduce the construction period. | 08-12-2010 |
20100229373 | Producing Stacked Lamina Elements by Combining a Cut Out and a Stacking Procedure - It is described a method for producing and stacking lamina elements in an aligned manner, in particular lamina elements for a stator of an electrical generator. The method cutting out a first lamina element from a foil, transferring the first lamina element to a container by utilizing the gravitational force, cutting out a second lamina element from the foil or from a further foil, and transferring the second lamina element to the container on top of the first lamina element by utilizing the gravitational force. It is further described a cutting machine for producing lamina elements, a container for stacking lamina elements in an aligned manner and a system for producing and stacking lamina elements in an aligned manner. | 09-16-2010 |
20100229374 | COIL MANUFACTURING METHOD AND COIL MANUFACTURING APPARATUS - A coil manufacturing method for manufacturing a wave wound coil in a substantially cylindrical shape by shaping a linear conductor with a cross-sectional shape having directionality, includes: transferring a linear wave conductor shaped in a substantially rectangular waveform, and having straight side portions extending in a wave width direction, one-side connecting portions sequentially connecting every other pair of adjacent side portions at ends on a one wave width direction side, and other-side connecting portions sequentially connecting pairs of adjacent side portions that are not connected by the one-side connecting portions at ends on an other wave width direction side; first bending the one-side and second bending the other-side connection portions so that the side portions are arranged along a coil circumferential direction, and directions of cross-sectional shapes of the side portions are in a constant direction with respect to a coil radial direction; and winding the bent wave conductor on a bobbin. | 09-16-2010 |
20100242260 | METHOD FOR HANDLING A STATOR BAR USING A PIT - A method for handling a stator bar at a braze station including lifting the stator bar from a platform, wherein the stator bar is in a substantially horizontal orientation on the platform; turning the stator bar from the horizontal orientation to an orientation at least 45 degrees off horizontal; aligning an upper end of the bar with a brazing station and positioning a lower end of the bar in a pit; turning the bar to reverse positions of the ends of the bar, and returning the stator bar to a horizontal orientation. | 09-30-2010 |
20100251538 | METHOD FOR ASSEMBLING AN ELECTRIC MOTOR AND MOTOR OBTAINED USING THIS METHOD - A method for assembling an electric motor of the type comprising a stator unit ( | 10-07-2010 |
20100257722 | STATOR OF ELECTRIC ROTATING MACHINE - A method of manufacturing an electric rotating machine having a stator that includes a stator core having slots formed at an inner periphery thereof, and a stator winding constituted by conductive wires wound on the slots. The stator winding includes in-slot portions accommodated in the slots and turn portions each connecting each adjacent two of the in-slot portions outside the slots. The stator core includes a core member having at least three tooth portions extending in a radial direction of the stator core and a core back portion integrally connecting the tooth portions at a radially end side thereof. The core member is configured such that each of the first tooth portions folded toward the core back portion is capable of unfolding to extend between a corresponding adjacent two of the in-slot portions when the core member is at a predetermined axial position with respect to the stator winding. | 10-14-2010 |
20100275436 | SPLIT STATOR MANUFACTURING METHOD - Disclosed is a split stator manufacturing method, which is enabled to enhance a production efficiency and to charge a thermoplastic resin between an insulator and a coil by molding the resin. The split stator manufacturing method comprises a setting step of setting an insulator and a split stator core element in a stationary mold and setting an edgewise coil in a movable mold, a resin injecting step of injecting a resin into a cavity with the stationary mold and the movable mold being half-opened, and a clamping step of clamping the stationary mold and the movable mold. | 11-04-2010 |
20100293778 | METHOD OF ASSEMBLING SPLIT CORE TYPE STATOR OF INNER ROTOR TYPE ROTARY ELECTRIC MACHINE | 11-25-2010 |
20100299912 | BRUSHLESS MOTOR AND MANUFACTURING METHOD THEREOF - A second ball bearing is installed from a first axial side toward a second axial side into an interior of a bearing holder of a rotor through an opening of the bearing holder, so that an outer race of the second ball bearing is press fitted to an inner peripheral portion of the interior of the bearing holder. A first ball bearing is inserted from the first axial side toward the second axial side into the interior of the bearing holder of the rotor through the opening of the bearing holder after the installing of the second ball bearing, so that an outer race of the first ball bearing is press fitted to the inner peripheral portion of the interior of the bearing holder and is axially spaced from the outer race of the second ball bearing. | 12-02-2010 |
20100325874 | Method for Making Wound Stator of Automotive Generator - A method for making a wound stator of an automotive generator is provided for replacing the conventional winding technique. The method includes: forming a stator ring provided with a plurality of annularly arranged radial through slots; cutting a copper wire into a plurality of wire units each having a rectangular cross section; inserting the wire units into the through slots in an interlacing manner; and soldering wire ends of the wire units sequentially so as to form a connected loop. | 12-30-2010 |
20100325875 | APPARATUS AND METHODS FOR WINDING SUPPORTS FOR COILS AND SINGLE POLES OF CORES OF DYNAMO ELECTRIC MACHINES - Apparatus and method for winding at least one electric wire W on a coil support ( | 12-30-2010 |
20110000078 | METHOD OF MANUFACTURING STATOR COIL - During sending the combined body | 01-06-2011 |
20110041318 | METHOD OF MANUFACTURING COIL ASSEMBLY FOR ELECTRIC ROTATING MACHINE - At one ends of a pair of coil wires | 02-24-2011 |
20110041319 | METHOD OF MANUFACTURING STATOR COIL - A plurality of shaped wires, which are obtained by shaping electric wires, are assembled to form a wire assembly | 02-24-2011 |
20110041320 | Stator with winding formed of a series of segments for electric rotating machine and method of manufacturing the stator - A stator has conductor segments serially wound on a core. Each segment inserted in one of slots of the core has a slanting portion protruding from the slot and inclined toward circumferential and axial directions of the core. Each slanting portion has an oblique portion with a film removal surface and a film removal portion with a film removed surface to have a slanting removal area covered with no insulation film and extending on the oblique portion. Each film removal portion has a connection portion on an end thereof. The connection portions are aligned along a radial direction of the core to form a plurality of end pairs. The connection portions of each end pair are connected with each other so as to serially connect the segments with one another. | 02-24-2011 |
20110072640 | METHODS FOR MODIFYING SEALING SYSTEMS FOR ROTARY MACHINES - A method for modifying a sealing system of a hydrogen-cooled generator includes coupling to a sealing device of the generator a contacting seal comprising a plurality of non-metallic bristles projecting from an aluminum body with tips of the bristles engaging a rotor of the generator. Another method includes removing a portion of a non-contacting seal, providing a replacement sealing device comprising an aluminum body and a plurality of non-metallic bristles projecting therefrom, and replacing the removed portion of the non-contacting seal by coupling the aluminum body to the non-contacting seal such that tips of the bristles contact the rotor. Another method includes removing an original sealing device, providing a replacement sealing device comprising an aluminum body and a plurality of non-metallic bristles projecting therefrom, and inserting the replacement sealing device into the generator such that tips of the bristles contact a rotor of the generator. | 03-31-2011 |
20110072641 | METHOD FOR THE PRODUCTION OF A STATOR WINDING - A stator winding ( | 03-31-2011 |
20110094089 | ARMATURE OF ROTARY MOTOR, ROTARY MOTOR AND MANUFACTURING METHOD THEREOF - The disclosure relates to the realization of stable electrical connections between coils and a commutator without causing slackening of the coils wound on individual magnetic teeth. An armature of a rotary motor includes an armature core structured splittably into magnetic tooth members which are individually wound by concentrated-winding type coils, and a commutator having the same number of segments as the number of the magnetic tooth members, the individual segments having connecting terminals, wherein an end portion of the coil concentratedly wound on one of the magnetic tooth members is connected generally in a straight line to the connecting terminal of the segment which is located at a position offset in a circumferential direction by a specific angle from the aforementioned one magnetic tooth member, and a conductor line connected to the connecting terminal of the segment is concentratedly wound on another magnetic tooth member adjacent to the aforementioned one magnetic tooth member. | 04-28-2011 |
20110099797 | MANUFACTURING METHOD AND MANUFACTURING APPARATUS FOR STATOR - An apparatus and a method for manufacturing a stator is disclosed. The stator includes a stator core having slots formed along an axial direction at a plurality of locations in a circumferential direction, and a coil formed by combining a plurality of rectangular wires that have a plurality of straight portions being disposed in the slots and arranged side by side in the circumferential direction and in a radial direction. A restriction jig having a number of restriction pieces is disposed on a first-end side of the coil in the axial direction. The coil is inserted into the stator core from the first-end side in the axial direction to dispose the straight portions in the slots. Circumferential positions of the straight portions are restricted along the axial direction through contact with the restriction pieces by relatively moving the restriction jig and the coil in the axial direction. | 05-05-2011 |
20110119900 | MANUFACTURING METHOD OF CIRCLE TYPE TERMINAL USED IN DRIVING MOTOR OF HYBRID VEHICLE - The present invention relates to a manufacturing method of circle type terminal for driving motor of hybrid vehicle, comprising: assembling a terminal assembly having a plurality of bus-rings; accommodating the terminal assembly into an insert jig; coupling the insert jig with an injection mold; and supplying insert resin into the insert jig through the injection mold to integrally form an insulator with the terminal assembly thus performing manufacturing a circle type terminal, thereby providing a simple process to manufacture the circle type terminal and a method of forming an insulating material that can lower a manufacturing cost. | 05-26-2011 |
20110126399 | METHOD OF MAKING AN ARMATURE - An armature for an electric motor has a lamination stack on a shaft with a commutator mounted on one end of the shaft. Magnet wires wound in slots in the lamination stack, the commutator and armature shaft are at least partially encapsulated in thermoset. The commutator has a commutator ring divided into a plurality of segments with slots between the segments that are filled with a second plastic when the commutator is made by molding a core of the second plastic, such as phenolic, in the commutator ring before the commutator ring is mounted on the armature shaft. Prior to molding the thermoset, the commutator ring is sealed. The seal prevents the thermoset from flowing into the slots between the commutator ring segments or over the commutator ring. | 06-02-2011 |
20110131795 | METHOD AND APPARATUS FOR WIRE TERMINATION ON OUTWARDLY SPOOLED MULTI-POLE STATORS - A method and device for wire termination on stators ( | 06-09-2011 |
20110131796 | GENERATOR WITH HIGH PHASE ORDER - A method for re-powering a star-connected stator having a plurality of parallel stator slots, wherein a plurality of stator winding bars having external winding connections are disposed in stator slots includes bridging the external winding connections so as to connect the stator winding bars in series and to form a polygonal stator capable of producing a polyphase alternating current. | 06-09-2011 |
20110138610 | APPARATUS FOR GENERATING ELECTRICAL ENERGY AND METHOD FOR MANUFACTURING THE SAME - An apparatus for generating electrical energy including a first electrode, a second electrode and one or more nanowires, and a method for manufacturing the apparatus for generating electrical energy. The second electrode may have a concave portion and a convex portion. The first electrode and the nanowire are formed of different materials. The nanowire is formed on the first electrode and is positioned between the first electrode and the second electrode. Because the nanowire is formed on the first electrode, the nanowire may be grown vertically and the uniformity and conductivity of the nanowires may be improved. When a stress is applied to the first electrode or the second electrode, the nanowire is deformed and an electric current is generated from the nanowire due to a piezoelectric effect of the nanowire and a Schottky contact between the nanowire and the electrode which makes contact with the nanowire. Accordingly, when the apparatus for generating electrical energy is bent or pressed in part, electrical energy is generated in response to the applied stress. | 06-16-2011 |
20110146058 | DYNAMOELECTRIC MACHINE AND MANUFACTURING METHOD FOR STATOR USED THEREIN - Respective divided segments of a collet are moved radially outward by moving an arbor axially. The respective divided segments thereby press an inner circumferential surface of a stator core of a stator from radially inside such that the stator is held coaxially by the collet. Next, shaping rollers are lowered so as to press an outer circumferential surface of the stator core. The stator is rotated by rotating the collet in that state. Thus, the inner circumferential surface of the stator core is compressed and plastically deformed so as to conform to the collet and the outer circumferential surface of the stator core is compressed and plastically deformed by the shaping rollers, correcting the inner circumferential surface and the outer circumferential surface of the stator core so as to be coaxial and so as to have a high degree of roundness. | 06-23-2011 |
20110167622 | METHOD AND APPARATUS FOR LOADING STATOR WINDINGS INTO A STATOR CORE - An apparatus for loading stator windings into a stator core includes an arbor member including a body having a central axis and an outer diametric portion provided with a plurality of slots. An insertion element is rotatably mounted adjacent the arbor member. The insertion element includes a plurality of slot elements that are configured to register with the plurality of slots. A loading member is rotatably mounted adjacent the insertion element. The loading member includes a plurality of slot members that are configured to register with the plurality of slot elements. The loading member is selectively operated to receive a stator winding into one of the plurality of slot members and transfer the stator winding into one of the plurality of slot elements. The at least one insertion element is selectively operated to transfer the stator winding into one of the plurality of slots of the arbor member. | 07-14-2011 |
20110173800 | METHOD OF MANUFACTURING STATOR FOR ELECTRIC ROTATING MACHINE - A method of manufacturing a stator includes the steps of: ( | 07-21-2011 |
20110185564 | Method for Fixing an Annular Segment Package Having a Cylindrical Outer Wall in An Annular Housing - An annular housing has an inner wall that is configured in the form of an inner cone. In the method for fixing the annular segment package, said package is either initially inserted into the annular housing and an annular sleeve the outer wall of which is configured in the form of an outer cone that is configured in a compatible manner to the inner cone of the annular housing, is subsequently inserted between the annular segment package and the annular housing and compressed on both sides, or is initially inserted into the annular sleeve and compressed, and the annular sleeve is subsequently inserted into the annular housing together with the annular segment package and compressed. | 08-04-2011 |
20110197431 | Manufacturing Methods for a Triple Layer Winding Pattern - A method of manufacturing a triple-winding layer arrangement for a three-phase, four pole motor is provided. | 08-18-2011 |
20110225805 | Method for Manufacturing Armature Core - A method for manufacturing an armature core is provided, in which a plurality of split cores, which are formed by laminating core pieces produced through punching by punching dies, are coupled together to form an annular shape as a whole, so as to manufacture one armature core. The method includes: preparing a plurality of sets of the split cores, each set having three split cores, so as to form one armature core; and arranging the three split cores in each set at intervals of 120° in the circumferential direction. The three split cores in each set are formed by core pieces that have been punched by the same part of the same punching die. | 09-22-2011 |
20110225806 | APPARATUS AND MANUFACTURING PROCESS FOR AN ELECTRICAL MACHINE - A method of, and apparatus for, manufacturing an electrical machine such as an integrated starter generator, the method comprising a double hot drop operation, whereby a stator assembly is inserted into a steel sleeve after the sleeve has been heated, and the stator assembly and sleeve are subsequently cooled and inserted into a heated housing. | 09-22-2011 |
20110225807 | LAMINATED ROTARY ACTUATOR WITH THREE-DIMENSIONAL FLUX PATH - A rotary actuator includes a stator assembly positioned within an outer enclosure. A rotor assembly is positioned adjacent to the stator and is configured to rotate relative thereto and about a centerline axis of the rotary actuator. Each of the outer enclosure, the stator assembly, and the rotor assembly are arranged to carry a magnetic flux therethrough and form a flux path loop, such that as a magnetic flux flows through the outer enclosure, the stator assembly, and the rotor assembly, a torque is generated by rotation of the rotor assembly relative to the stator assembly. | 09-22-2011 |
20110239441 | METHOD FOR MAKING STATOR - A method for making a stator includes: (a) stacking steel sheets to form a stator core, the stator core including ribs and blocking portions; (b) preparing a mold including first and second mold parts that respectively have inner wall surfaces defining a mold cavity, the inner wall surface of each of the first and second mold parts having press blades protruding into the mold cavity; (c) positioning the stator core in the mold cavity by placing top and bottom surfaces of each of the ribs respectively in abutment with the press blades of the first and second mold parts; and (d) introducing a plastic material into the mold cavity to form a plastic insulating layer over the stator core. | 10-06-2011 |
20110239442 | METHOD OF MANUFACTURING STATOR FOR ELECTRIC ROTATING MACHINE - A method of manufacturing a stator includes: (a) preparing a stator core and electric wires; (b) assembling together the stator core and the electric wires; (c) welding corresponding pairs of the electric wires to form a stator coil, wherein for each corresponding pair of the electric wires, end portions of the electric wires are radially bent toward each other to have distal end surfaces thereof abutting each other at a position axially outside an annular coil end part of the stator coil, the distal end surfaces are welded together to form a weld between the end portions, and the end portions together make up a crossover part that extends to cross over the coil end part; and (d) deforming, for each corresponding pair of the electric wires, the end portions so as to reduce an axial distance between the coil end part and the crossover part. | 10-06-2011 |
20110258840 | METHOD OF MANUFACTURING A STATOR - A stator provided with an annular stator core formed by annularly arranging split stator cores, and also with coils mounted to the stator core. The split stator cores each includes a yoke portion extending in a circumferential direction of the stator core and a stator tooth protruding from the yoke portion. On at least part of side surfaces of the stator tooth that are arranged in a circumferential direction of the stator core, a radial end surface of the stator tooth that is located radially inward of the stator core, and, of radial end surfaces of the yoke portion that are arranged in a radial direction of the stator core, the radial end surface at which the stator tooth is formed, a rough surface portion is formed having surface roughness greater than that of circumferential end surfaces of the yoke portion that are located in a circumferential direction of the stator core. | 10-27-2011 |
20110265313 | SEALED ROLLED POLE HOUSING FOR AN ELECTRIC MOTOR - A method of making a pole housing for an electric motor is provided. The pole housing may be used in both sealed and unsealed applications. | 11-03-2011 |
20110277314 | STATOR COIL PRODUCTION METHOD AND STATOR COIL PRODUCTION MACHINE - A stator coil producing method and a stator coil production machine. The stator coil is used in an electric rotating machine. The stator coil production machine includes a rotary retainer which rotates to move shaping press pairs along a looped path. The rotary retainer has retaining holes through which the shaping press pairs are retained. The retaining holes are shaped to permit the shaping press pairs to move along the looped path, thereby pressing or shaping portions of a conductor wire into in-slot portions to be disposed in slots of a stator core and coil-end portions each of which is to extend between adjacent two of the in-slot portions outside the slots. The method comprises an in-slot portion shaping step of shaping portions of the insulator-coated conductor wire into the in-slot portions and a coil-end portion shaping step of shaping portions of the insulator-coated conductor wire into the coil-end portions. | 11-17-2011 |
20110277315 | STATOR COIL PRODUCTION METHOD AND STATOR COIL PRODUCTION MACHINE - A stator coil producing method and a stator coil production machine. The stator coil is used in an electric rotating machine. The stator coil production machine includes a rotary retainer which retains and moves shaping press pairs along a looped path to press or shape portions of a conductor wire into in-slot portions to be disposed in slots of a stator core and coil-end portions which extend outside the slots. The method comprises a coil-end portion shaping step of bringing press members of each of the shaping press pairs close to each other in sequence to shape the coil-end portions and an in-slot portion shaping step of advancing the shaping press pairs on the looped path in contact with the cam mechanism and also moving selected ones of the shaping press pairs in sequence in a direction perpendicular to the path to shape the in-slot portions. | 11-17-2011 |
20110283523 | METHOD FOR LOADING STATOR WINDINGS INTO A STATOR CORE - A method of loading stator windings into a stator core includes guiding a first stator winding including a plurality of slot segment portions along at least one guide track towards an arbor member having a plurality of slots, inserting one of the plurality of slot segment portions of the first stator winding into one of the plurality of slots, and guiding a second stator winding including a plurality of slot segment portions along the at least one guide track towards the arbor member. The method also includes indexing one of the at least one guide track and the arbor member to position another of the plurality of slots adjacent the at least one guide track, inserting one of the plurality of slot segment portions of the second stator winding into another of the plurality of slots, rotating the arbor member, and feeding a plurality of slot segment portions into remaining ones of the plurality of slots. | 11-24-2011 |
20110302767 | METHOD FOR PRODUCING A DISTRIBUTED LAP WINDING FOR POLYPHASE SYSTEMS - Method for producing a distributed lap winding for polyphase systems, in particular for alternators, wherein, in a first step, a chain of laps ( | 12-15-2011 |
20110302768 | PROCESSING METHOD OF STATORS - A processing method of stator, comprising the following steps: Step | 12-15-2011 |
20110302769 | METHOD OF MANUFACTURING STATOR - A method of manufacturing a stator includes forming a stator by assembling segment cores, formed by dividing a stator core in a circumferential direction at a formation position of a slot of the stator core, to a coil conductor that is formed of a rectangular wire bent to include linear portions arranged in the slot and bridge portions that alternately connect the linear portions on one end and the other end of the coil conductor such that the linear portions can be arranged side by side on an imaginary circumference, and fitting a heated outer peripheral ring to an outer periphery of the segment cores. The method also includes reheating the stator at a predetermined temperature in a state where a circularity of the stator is corrected by restraining the outer peripheral ring in the stator to improve the circularity of the stator. | 12-15-2011 |
20120005881 | METHOD FOR MANUFACTURING A STATOR - A stator having a stator core and coils is disclosed. The stator core includes split core pieces each having a tooth portion. The split core pieces are arranged annularly such that the distal ends of the tooth portions face radially inward. A lead wire is continuously wound about an adjacent pair of the tooth portions such that coils of different phases are formed in the circumferentially adjacent tooth portions, so that a plurality of connecting wires are provided, each connecting wire connecting coils of different phases. The connecting wires are connected to one another while being connected to one another, such that a neutral point is created. | 01-12-2012 |
20120011708 | Method for Forming Electrodynamic Machine Insulated Coils - A method for manufacturing electrodynamic machine conductive coils, such as alternating current induction motor stator coils. A continuous strand of insulation coated wire is formed into a generally planar elongated closed loop having a circumference and an outer surface. Thereafter a permanent insulation layer is applied to the closed loop outer surface, preferably by spiral wrapping insulating tape about the circumference of the closed loop with a tape wrapping machine. The insulating tape has a catalytic chemical compound including at least one part of a multi-part epoxy resin. The closed loop is shaped into a rigid conductive coil by application pressure, in order to conform the coil to a desired profile. Application of the permanent insulation layer to the closed loop prior to its final shaping enables machine insulation taping over a larger portion of the coil circumference and reduces need for slower and more expensive hand taping. | 01-19-2012 |
20120017425 | STATOR AND METHOD FOR MANUFACTURING THE SAME - A stator core is fixed by a centering jig, and in this state, a fixing hole is formed in a flange portion provided on a fastening ring for the stator core, using a central position as a reference for positioning, by drilling with a drill. The fixing hole is opened to be located at a distance relative to the central position. In a plan view, the fixing hole is opened at a predetermined central angle interval (for example, intervals of 120°) relative to the central position. | 01-26-2012 |
20120060358 | Compact Drive, Spiroid Gear Unit, and Method for Manufacturing a Drive Unit - In compact drive, spiroid gear unit, and method for manufacturing a drive unit that includes at least an electric motor, a brake, a gear unit, and a frequency converter, the output shaft of the gear unit and the rotor shaft are positioned in parallel to each other, and the shaft-center distance is determined by at least one gear stage. The first gear stage includes a first toothed member connected to the rotor shaft, and a second toothed member, which engages with the first toothed member and is connected to an intermediate shaft, the brake, including at least a brake-rotor shaft, being integrated in the housing of the compact drive, the brake-rotor shaft being parallel to the rotor shaft, and the brake-rotor shaft being connected to a toothed member, which engages with the second toothed member. | 03-15-2012 |
20120073117 | Method and System for Maintaining a Machine Having a Rotor and A Stator - Methods of precisely positioning a rotor of a machine into one or more service positions for the purpose of servicing the machine. In some embodiments, the machine includes A rotor and a stator segmented into multiple removable stator modules. During servicing, a stator-module replacement tool is precisely located in any one or more of multiple service positions corresponding to the multiple stator modules by selectively energizing the machine. In other embodiments, the machine includes a stator and a rotor having multiple removable permanent magnets corresponding respectively to multiple service positions. During servicing, the rotor is precisely located in any one or more of multiple service positions corresponding to the permanent magnets by selectively energizing the machine. A servicing control system is disclosed for controlling the excitation of a machine stator in a manner that effects precise positioning of the rotor into a selected service position. | 03-29-2012 |
20120073118 | Module-Handling Tool for Installing/Removing Modules Into/From an Electromagnetic Rotary Machine Having a Modularized Active Portion - A module-handling tool for facilitating installation, servicing, and/or dismantling of a electromagnetic rotary machine, such as an electrical power generator or electric motor, having a modularized active portion. In one embodiment, module-handling tool is configured for a machine having a modularized stator having a number of removable modules. In one example of such stator-module-handling tool, the tool is designed and configured to hold a stator module and be temporarily secured to the rotor of the machine during the process of installing the stator module into the machine or removing the module from the machine. In this example, the module-handling tool also acts as a module carrier for transporting a module to or from the machine. | 03-29-2012 |
20120102724 | METHOD OF FORMING STATOR COILS OF ELECTRIC MACHINERY - 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. | 05-03-2012 |
20120117790 | Insertion System and Method to Insert Insulators and Coils in the Slots of the Stator of an Electric Machine - The insertion of electrically insulating paper from a continuous roll into slots of a stator created by outwardly projecting teeth is described herein. The insertion of the insulating paper is done by the insertion of prewound coils in the stator slots. The electrically insulating paper is not cut prior to its insertion in the slots, thereby completely covering the outer surface of the stator. The insertion systems and methods described herein are also optionally concerned with the insertion of interphase insulation paper between the different coils inserted in the stator slots and with the insertion of slot closing wedges. | 05-17-2012 |
20120124821 | METHOD FOR PRODUCING GROUP OF ELECTRICAL COILS - A method for producing a group of electrical coils for electromagnetic applications includes providing at least one piece of a continuous ribbon conductor or a ribbon conductor stack of a predefined single length. The ribbon conductor is parted in a number n of linear conductor portions. The conductor portions are place in parallel to each other prior to winding. Thereafter the conductor portions are wound in order to create a group of coils composed of a corresponding number n of coils whereby the coils are connected with each other and are made of the same piece of continuous ribbon conductor or ribbon conductor stack. | 05-24-2012 |
20120124822 | APPARATUS AND METHOD FOR WINDING SUPPORTS FOR COILS AND SINGLE POLES OF CORES FOR DYNAMOELECTRIC MACHINES - Apparatus and method for winding coils of at least one electric wire conductor (W) on a coil support ( | 05-24-2012 |
20120137504 | ULTRASONIC TREATMENT APPARATUS, PROBE FOR THE SAME , AND METHOD OF MANUFACTURING THE APPARATUS AND THE PROBE - There is provided an ultrasonic treatment apparatus including an ultrasonic oscillator which generates ultrasonic waves, a probe which is connected to the ultrasonic oscillator and transmits ultrasonic oscillations generated by the ultrasonic oscillator, and a treatment portion which is formed on the probe and treats a living tissue by the transmitted ultrasonic oscillations. The treatment portion has a cavitation suppressing portion formed to have such a shape that a pressure of a liquid in a vicinity of an external surface of the cavitation suppressing portion is greater than a saturation vapor pressure of the liquid in fluid analysis concerning ultrasonic oscillations in the liquid. | 06-07-2012 |
20120151750 | METHOD FOR FABRICATING MOLDED STATOR OF ROTARY ELECTRIC MACHINE - 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. | 06-21-2012 |
20120159772 | METHOD AND APPARATUS FOR FABRICATING A ROTOR FOR AN INDUCTION MOTOR - A method for fabricating a rotor assembly includes assembling shorting end rings onto conductor bars through a steel laminate stack. The ends of the steel laminate stack are immersed into a bath containing molten metal. | 06-28-2012 |
20120167377 | METHODS AND SYSTEMS FOR POSITIONING MICRO ELEMENTS - A micro device may comprise a substrate, a first micro structure coupled to the substrate, a second micro structure coupled to the substrate, and port configured to receive an input. The first micro structure is configured to move into engagement with the second micro structure in response to the input. | 07-05-2012 |
20120186072 | METHOD OF MANUFACTURING ROTATING ELECTRICAL MACHINE AND DEVICE FOR MANUFACTURING THE SAME - A method of manufacturing a rotating electrical machine has steps of a preparation step that accommodates the cap in a jig space while bringing the jig and the pulley in contact in an up-and-down direction so that an operation space is sealed, and a main step that decompresses the operation space to pressure lower than atmospheric pressure, moves the cap to an upper side in the decompressed operation space, and press-fits the cap into the pulley. By this, an inclination and a misalignment in the axial direction of the cap by the action of the reaction force can be suppressed since the reaction force acting downwardly on the cap can be weakened compared with the case where the cap is press-fit under atmospheric pressure. Therefore, the press-fit-state of the cap can be stabilized. | 07-26-2012 |
20120233847 | CONNECTION SYSTEM AND METHOD FOR ELECTRIC MOTORS - Provided is system and method for terminating stator windings to provide a fast, reliable, and convenient connection system. A U-shaped intermediary connection piece comprising individual pieces with cable exits is provided. Stator windings are attached to the individual pieces and the stator and connection piece are encapsulated with resin. The individual pieces are eliminated, thereby electrically isolating the cable exits. | 09-20-2012 |
20120233848 | ROTARY TABLE FOR PERMANENT MAGNET ROTATING MACHINE AND METHOD FOR MANUFACTURING PERMANENT MAGNET ROTATING MACHINE - A method for assembling rotors which is applicable to a large axial gap type permanent magnet rotating machine is provided. | 09-20-2012 |
20120272512 | METHOD OF MANUFACTURING ROTARY ELECTRIC MACHINE - A coil strand is wound on an insulator to produce a divided core member, and then the divided core member is placed on a table. While the table rotates about its axis, ends of the coil strands are inserted into lead end holding grooves, which are defined in a surface of the insulator on an outer circumferential edge of a stator and which extend along a circumferential direction of the stator. | 11-01-2012 |
20120291263 | ROTARY TABLE FOR PERMANENT MAGNET ROTATING MACHINE AND METHOD FOR MANUFACTURING PERMANENT MAGNET ROTATING MACHINE - A method for assembling rotors which is applicable to a large axial gap type permanent magnet rotating machine. A permanent magnet rotating machine comprising: a rotating shaft; at least two rotors comprising a table-like structure and permanent magnets attached thereto, the table-like structures being connected to the rotating shaft and being disposed in an axial direction of the rotating shaft; and a stator comprising a table-like structure and stator coils around which a copper wire is wound, said stator being disposed in a gap formed by the rotors so that the stator being separated from the rotating shaft, is manufactured by the following steps of assembling the two rotors such that a predetermined gap is formed therebetween; and mounting the magnets on the table-like structures by inserting the magnet from the radially outer side of the table-like structures towards the center of the rotation. | 11-22-2012 |
20120324716 | METHOD FOR WRAPPING INSULATING TAPE ON ELECTRODYNAMIC MACHINE INSULATED COILS - Electrodynamic machine conductive coils, such as those found in AC induction motors are wrapped with insulating tape layers. A tape pair having pre-set laterally overlapping (I) coupled first and second tape ribbons is wrapped about at least a portion of an electrodynamic machine conductive coil. The tape pair may be obtained in pre-configured form from a tape vendor or may be configured on site with a tape pair forming apparatus. Coils insulated with the present invention can be wrapped with more precise uniform tape offset between layers. Multiple layers are also applied simultaneously in a single wrap sequence, with less effort and time than by known single layer tape wrapping methods. | 12-27-2012 |
20120324717 | METHOD AND APPARATUS FOR MAKING A STATOR FOR AN ELECTRIC MACHINE AND ELECTRIC MACHINE STATOR WITH HIGH FILL FACTOR | 12-27-2012 |
20130000105 | METHOD FOR PRODUCING STATOR FOR ROTARY ELECTRIC MACHINE, AND PRODUCTION DEVICE - Disclosed is a method for producing a stator for a rotary electric machine, which involves preparing a stator core having a plurality of slots. Each of a plurality of coils is provided with a pair of coil ends, a first side, and a second side. The first side and/or the second side is inserted into the retaining groove of a jig, and each coil is set on the jig in a manner such that both coil ends extend further to the outside than the end surfaces of the jig in the axial direction thereof. The jig is disposed inside the stator core in the diameter direction. The space between the first side and the second side of the coil is expanded by applying pressing force to both coil ends from the axial direction of the stator core by means of a pressing member. | 01-03-2013 |
20130014381 | METHOD OF MANUFACTURING STATOR COIL FOR ELECTRIC ROTATING MACHINEAANM KAYUKAWA; KimiharuAACI NagoyaAACO JPAAGP KAYUKAWA; Kimiharu Nagoya JPAANM DOBASHI; MasaomiAACI Kariya-shiAACO JPAAGP DOBASHI; Masaomi Kariya-shi JPAANM SHIMAOKA; HidejiAACI Anjo-shiAACO JPAAGP SHIMAOKA; Hideji Anjo-shi JPAANM KAMAKURA; YouichiAACI Anjo-shiAACO JPAAGP KAMAKURA; Youichi Anjo-shi JP - A method of manufacturing a stator coil includes the steps of: (1) forming substantially planar electric wires each including in-slot portions to be received in slots of a stator core and turn portions to be located outside of the slots to connect the in-slot portions; (2) rolling each of the planar electric wires into a spiral shape by plastically deforming the turn portions; and (3) assembling the rolled electric wires through relative axial movements therebetween, each of the relative axial movements being made by axially moving first and second components relative to each other with both the first and second components radially elastically deformed and with each of the first and second components circumferentially positioned by at least one positioning member, each of the first and second components being one of the rolled electric wires or an electric wire sub-assembly comprised of a plurality of the rolled electric wires. | 01-17-2013 |
20130019463 | Apparatus And Method For Pre-Forming Electrical Bar Conductors, In Particular For Bar Windings of Electrical Machines - A pre-forming apparatus ( | 01-24-2013 |
20130031773 | SPINDLE MOTOR, DISK DRIVE APPARATUS, AND METHOD OF MANUFACTURING SPINDLE MOTOR - In a method of manufacturing a spindle motor, a sheet preferably made of a thermoplastic resin is closely adhered to an upper surface of a base portion of a spindle motor such that the sheet covers a base hole of the base portion. Next, heat is applied to a region of the sheet which coincides with the base hole to define a sheet hole continuous with the base hole. Thereafter, a coil is arranged over the base portion, and a conducting wire defining the coil is extended through the sheet hole and the base hole to be drawn downwardly out of the base portion. The sheet hole is thus defined after the sheet is closely adhered to the base portion. In addition, the sheet hole is defined by melting the resin through application of the heat. It is therefore easy to arrange the sheet and define the sheet hole. | 02-07-2013 |
20130036601 | Wind Turbine with Prestressable Supporting Arms - There is provided a vertical axis wind turbine comprising an upright rotatable shaft mountable on a support structure, a plurality of upright blades, and a plurality of prestressable supporting arms for attaching the plurality of blades to the shaft. The wind turbine may further comprise a shaft stabilizing assembly comprising a plurality of coplanar wheels having compliant outer layers, rotatably mounted on a support, for radially and rotatably supporting a rotatable shaft. The disclosure further provides a method of assembly of the wind turbine. | 02-14-2013 |
20130036602 | HIGH ALTITUDE, HIGH VOLTAGE TERMINAL BLOCK ASSEMBLY - A method of installing the terminal block assembly onto a generator includes the step of providing a terminal block with multiple terminal studs. Protrusions that are integral with the terminal block are aligned with corresponding bores in a generator housing. The terminal block is mounted on the generator housing with the protrusions received in the bores. A terminal lead assembly is inserted through the protrusion, and a terminal pad of the terminal lead assembly is arranged over the terminal stud. A terminal lug is fastened to the terminal stud. A terminal cover is secured to the terminal block over the terminal with a boss of the terminal block received in a corresponding recess of the terminal cover. | 02-14-2013 |
20130086798 | ASSEMBLY METHOD FOR HYBRID ELECTRIC TRANSMISSION - A method for assembling a powertrain includes installing transmission gearing and an input shaft in a housing, installing a bearing in a pump housing and securing the pump housing to a pump plate, piloting on the housing the pump plate into position, seating a stator shaft on the pump housing over the input shaft, and installing over the stator shaft a rotor shaft, a rotor hub engaging the bearing and a clutch hub. | 04-11-2013 |
20130097852 | METHOD OF MANUFACTURING STATOR OF ROTATING ELECTRICAL MACHINE - A method of manufacturing a stator of a rotating electrical machine includes: winding coils of a plurality of phases respectively around corresponding teeth; fixing the coils by supplying direct currents to the coils such that Lorentz forces are generated toward a radially outer side of the stator; and connecting neutral points of the coils to one another. | 04-25-2013 |
20130111737 | METHODS AND APPARATUS FOR TWISTING ROTOR AND STATOR CONDUCTOR ENDS - Methods and apparatus for twisting rectangular rotor and stator conductor ends whereby most if not all conductor ends are bent at once, radially adjacent ends being bent in opposite directions. A lost motion member may be used to bend selected conductors through lesser angles for such purposes as phase interconnection and power leads. The rectangular conductors are retained against twisting so that flat conductors will bend about an axis perpendicular to the larger dimension of the conductor cross section. Various features of the methods and apparatus are disclosed. | 05-09-2013 |
20130133180 | ELECTRIC VEHICLE MOTION GENERATOR - Regenerative braking and regenerative suspension in hybrid electric or all electric vehicles provides for an increased range by exploiting the energy previously provided to propel the vehicle to regenerate electricity to recharge the battery (or batteries) of the vehicle. Whilst suited to city and urban environments where vehicles are braking frequently there is no regeneration during prolonged propulsion of the vehicle. According to embodiments of the invention electricity generation is provided for the electricity storage during normal propulsion of the vehicle or whenever the engine/motor is on. Embodiments are presented that may be localized or distributed within the vehicle and associated with elements of the vehicle that provide rotary motion during propulsion of the vehicle. | 05-30-2013 |
20130174413 | ARMATURE ASSEMBLY APPARATUS - An armature assembly apparatus for assembling an armature of an electrical machine is provided. The armature assembly apparatus has an armature holding apparatus to hold a partially assembled armature such that a rotation axis of the armature is horizontal. The armature assembly apparatus has a rotating device for rotating the partially assembled armature about a rotation axis. The armature assembly apparatus also has a ring segment conveyance for conveying an armature ring segment to a mounting position relative to a free ring segment portion of the partially assembled armature. | 07-11-2013 |
20130192057 | MANUFACTURING METHOD FOR COIL UNIT - A method for manufacturing a coil unit includes inserting a coil conductor wire into a slot from a slot opening portion with a circumferential wire width of the coil conductor wire equal to or less than a slot opening width, the slot opening width being a width of the slot opening portion in the circumferential direction, the circumferential wire width being a wire width of the coil conductor wire in a direction parallel with the slot opening width, the coil conductor wire being a conductor wire with a deformable cross-sectional shape, and a diameter of the coil conductor wire with a circular cross-sectional shape being larger than the slot opening width; and pressing the coil conductor wire inserted into the slot in a depth direction which is opposite to the opening direction to deform the cross-sectional shape of the coil conductor wire. | 08-01-2013 |
20130205580 | MANUFACTURING METHOD OF SHIELD TYPE MOTOR - A manufacturing method of shield type motor includes the following steps: a): providing an iron core; b): providing a plastic shell and having the exterior face of the plastic shell press against the interior face of the iron core; c): providing a plurality of connected enamel-covered coils for being wound around the bobbin; d): providing a wire fastener for bundling the first material of plastics and the second material of plastics; e): providing a protecting jacket to be connected to the plastic shell and for containing the plurality of enamel-covered coils; f): providing a mold to let the iron core place in the mold and having the first material of plastics teem into the mold; g): having the second material of plastics teem into the mold; and h): removing the mold to expose a main body. | 08-15-2013 |
20130205581 | METHOD OF ASSEMBLING AN ELECTRIC MOTOR - A method of assembling an electric motor is provided. The method includes positioning a guide rod within a motor housing and along an axial direction of the motor housing, wherein the guide rod is disposed radially inward of a plurality of motor components. Also included is guiding a rotor along the guide rod and radially inward of the plurality of motor components. | 08-15-2013 |
20130212868 | Apparatus and Method For Efficient Stator Windings Termination - A method and apparatus for terminating stator windings. The apparatus includes stator winding termination disks having “U” shaped winding mouths for each group of stator winding ends. After winding the stator, the stator winding termination disks are laid over the termination end of the stator, the unterminated stator windings for one phase of the stator are placed into the “U” shaped winding mouths, the “U” shaped winding mouths are crimped over the unterminated stator windings, and pressure and heat are applied to melt insulation on the unterminated stator winding ends and form an electrical connection between the stator winding termination disks and stator windings for each phase of the stator and for common. | 08-22-2013 |
20130255070 | WINDING FRAME WITH MAGMATE AND STATOR CORE WITH THE SAME - The present invention relates to a stator core including at least two or more stator core-continuous bodies each formed by coupling at least two or more unit cores to each other, each unit core consisting of a tooth portion having a coupling slot and a coupling projection formed along both ends thereof and connected to adjacent unit core by means of a connection portion formed at each of both end portions of the tooth portion, wherein the at least two or more stator core-continuous bodies are fitting-connected to each other by means of the coupling slots formed at one side ends thereof and the coupling projections formed at the other side ends thereof to form the stator core having a round shape. | 10-03-2013 |
20130276295 | Method And Fixture For Twisting End Portions of Bar Conductors, In Particular For Bar Windings of Electric Machines - A twisting method ( | 10-24-2013 |
20130276296 | STATOR CORE MANUFACTURING METHOD - In a method for manufacturing a stator core, core steel plates each having a yoke part and teeth parts are sequentially formed and the core steel plates are laminated one on another to produce the stator core. This method includes forming a cut section extending in a radial direction in each of the core steel plates in the progressive press process so that the cut section is located in only one place in a circumferential direction. | 10-24-2013 |
20130276297 | MANUFACTURING METHOD FOR HELICAL CORE FOR ROTATING ELECTRICAL MACHINE AND MANUFACTURING DEVICE FOR HELICAL CORE FOR ROTATING ELECTRICAL MACHINE - A manufacturing method of a helical core for a rotating electrical machine includes: first step forming a yoke portion extending along one direction and tooth portions protruding toward a width direction of the yoke portion from a first side edge of the width direction, with respect to a belt-shaped metal plate extending along the one direction; second step forming a notch at a position between tooth portions of the yoke portion after the first step; and third step processing the belt-shaped metal plate into a helical shape by applying bending to the metal plate so that the belt-shaped metal plate is curved toward the width direction sequentially from a portion where the notch is formed after the second step, and in the third step, a distance between a position where the application of bending starts and the position where the notch is formed is limited to within a predetermined dimension. | 10-24-2013 |
20130298383 | MULTIPLE CONDUCTOR WINDING IN STATOR - An electric machine includes a stator disposed about an axis in register with the rotor. The stator has a plurality of slots parallel to the axis. A plurality of windings with generally rectangular cross sections is provided with each winding having a first portion disposed radially inward of a second portion relative to the axis. At least two of the plurality of windings are at least partially inserted into each of the plurality of slots. The plurality of generally rectangular windings in each of the plurality of slots is configured to reduce resistive loss within the stator. | 11-14-2013 |
20140000094 | METHOD AND APPARATUS FOR REMOVING A COIL FROM A SLOT OF A DYNAMOELECTRIC MACHINE | 01-02-2014 |
20140000095 | METHOD AND APPARATUS FOR TERMINATING LEADS OF PLURAL WIRES IN DYNAMO ELECTRIC MACHINE CORE | 01-02-2014 |
20140033514 | ELECTRIC MACHINE WITH SINGLE OR DUAL-SHAPE WINDING CONFIGURATION AND METHOD - A method of making a first stator winding and a second stator winding comprises forming an open winding arrangement on a first stator core, the open winding arrangement including conductor segments positioned in stator slots with at least four layers of conductor segments in each slot, the open winding arrangement further comprising a plurality of leads to a plurality of the conductor segments. The method further comprises forming the open winding arrangement on a second stator core. In addition, the method comprises closing the open winding arrangement on the first stator core by connecting the plurality of leads with first additional conductors to form a three phase winding in a single-shape configuration. Furthermore, the method comprises closing the open winding arrangement on the second stator core by connecting the plurality of leads with second additional conductors to form a three phase winding in a multi-shape configuration. | 02-06-2014 |
20140059839 | METHODS FOR HANDLING A BEARINGLESS MACHINE - A method for handling a bearingless machine into a driveline includes coaxially aligning a rotor subassembly and a stator subassembly such that first and second circumferential track portions define a substantially complete first circumferential track in communication with a first portal. A first fixture band is inserted into the first circumferential track via the first portal to substantially maintain axial and radial alignment of the rotor subassembly relative to the stator subassembly. | 03-06-2014 |
20140096371 | Automated Assembly Apparatus for Making a Motor Component and Method of Making - A system for making a stator includes a stator laminate forming area for receiving at least one stator plate to form part of a stator laminate, an automated plate lift for lifting and positioning at least one the stator plate in a predetermined position in the stator laminate forming area and a mechanism for enabling movement of the stator plates between the stator laminate forming area and the plate lift. | 04-10-2014 |
20140096372 | APPARATUS AND METHODS FOR WINDING AND TERMINATING DYNAMO ELECTRIC MACHINE CORES - 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. | 04-10-2014 |
20140101926 | BLOWER WITH BEARING TUBE - A method for forming windings of a stator assembly in a blower includes providing a stationary portion for the blower including a tube adapted to support a rotor and using the tube as a mandrel to form the windings of the stator assembly. | 04-17-2014 |
20140109391 | METHOD OF MANUFACTURING LAMINATED CORE HAVING PERMANENT MAGNETS SEALED WITH RESIN - A method of manufacturing a laminated core, having a laminated core body | 04-24-2014 |
20140115875 | METHOD OF MANUFACTURING STATOR OF ELECTRIC ROTATING MACHINE - A method of manufacturing a stator of an electric rotating machine is provided. The stator includes a plurality of teeth radially extended from a yoke portion formed by stacking steel sheets, a stator core having an insulating film on a surface of the teeth, and a winding portion including a plurality of layers of a power generating coil wound around each of the plurality of teeth. The method includes: a step of forming an insulating coating film by impregnating the power generating coil in a lower layer portion of the winding portion with a varnish using a liquid-type thermosetting resin, thereafter covering the power generating coil in a surface portion of the winding portion with a thermally meltable powder resin, and melt-bonding and thereafter curing the powder resin; and a step of curing the varnish that is performed simultaneously with the step of forming an insulating coating film. | 05-01-2014 |
20140115876 | MANUFACTURING METHOD OF SEGMENT COIL - A manufacturing method of a segment coil includes i) bending a wire assembly in which a plurality of conducting wires are twisted together in a manner such that the conducting wires are able to slide with respect to one another, and ii) compression molding the bent wire assembly. | 05-01-2014 |
20140144008 | STATOR CORE MODULE, STATOR CORE ASSEMBLY AND PROCESS FOR ASSEMBLING A STATOR CORE ASSEMBLY - The present invention comprises a stator core module, stator core assembly and process for assembling a stator core assembly to replace existing stator cores in electric power generators. First and second stator core modules are aligned such that one end of a fastener assembly in the second stator core module is nested in a counter-bore of the first stator core module and one end of a fastener assembly in the first stator core is nested in a counter-bore of the second stator core module. | 05-29-2014 |
20140150248 | METHODS AND SYSTEM FOR DISASSEMBLING A MACHINE - A system and methods for disassembling a rotary machine are provided. The rotary machine includes a casing having a plurality of arcuate channels. The system includes a reaction bridge that is configured to couple to the casing of the rotary machine such that the reaction bridge is moveable along a length of the casing. The reaction bridge includes a front support and a rear support that is substantially parallel to the front support. Each of the supports includes a first leg, a second leg, and a support beam extending therebetween. A force device including an actuator and an engaging rod extending therefrom is coupled to the reaction bridge. The force device is configured to apply a force substantially tangentially to a segment positioned in one of the casing arcuate channels. | 06-05-2014 |
20140157581 | BLOWER MOTOR FOR HVAC SYSTEMS - A blower motor assembly having a variable speed motor that is suitable for replacing a PSC motor in a residential HVAC (heating, ventilation, and air conditioning) system. The blower motor assembly includes a variable speed motor and motor controller; a first power input for receiving a plurality of AC power signals from a control device for use in determining an operating parameter for the motor; and a second power input for receiving AC power from an AC power source for powering the motor controller even when no AC power signals are received by the first power input. | 06-12-2014 |
20140182117 | Motor Stator Automatically Assembling Method - A motor stator automatically assembling system includes a feeding unit, a wire-winding unit, a first conveyer unit, a second conveyer unit, a first assembly unit and a second assembly unit. A motor stator automatically assembling method includes: the feeding unit is operated to feed a plurality of insulation members; the insulation members are arranged on the first conveyer unit to convey to the wire-winding unit; the wire-winding unit is operated to wind wires on the insulation members to form a plurality of wire-wound insulation members; the wire-wound insulation members are arranged on the second conveyer unit to convey to the first assembly unit; the first assembly unit is operated to insert pole teeth into the wire-wound insulation members to form a plurality of compact pole tooth sets; the second assembly unit is operated to combine the compact pole tooth sets with a stator ring frame to form an assembled motor stator. | 07-03-2014 |
20140190001 | RAIL SYSTEM FOR INSTALLING A STATOR CORE IN A FRAME - A temporary rail system ( | 07-10-2014 |
20140196275 | METHOD AND DEVICE FOR MANUFACTURING A LAMINATED STATOR CORE - The method for manufacturing a stator of an electric machine includes providing a lamination element extending over an annular sector, horizontally moving the lamination element towards a fitting zone, then angularly regulating the lamination element position, and connecting the lamination element to other lamination elements to define the stator. | 07-17-2014 |
20140201979 | MANUFACTURING DEVICE AND MANUFACTURING METHOD FOR STATOR OF ROTATING ELECTRICAL MACHINE - A manufacturing device for a stator of a rotating electrical machine includes a jig, a support section, link mechanisms and press sections. The jig has holding grooves into which linear portions of coils can be respectively inserted. The jig can be arranged on the inner side of a stator core while holding grooves respectively face the openings of slots. Each of the link mechanisms has a push-out member and a link. The link moves a corresponding push-out member in a direction from the bottom portion of the holding groove to a corresponding slot and in a direction from the slot to the bottom portion. The push-out members can concurrently apply a pressing force to all the coil ends of the coils from the axial direction of the stator core in synchronization with the link mechanisms. | 07-24-2014 |
20140208579 | Manufacturing Method of a Stator of an Alternator - The present invention relates to a manufacturing method of a stator of an alternator, providing an elongated stator body having a plurality of parallel grooves, winding a plurality of wires in the plurality of different grooves, and then rolling the elongated stator body wound with the wires into an annular shape to form an annular stator. | 07-31-2014 |
20140208580 | SENSOR WITH ENERGY-HARVESTING DEVICE - A method of fabricating a device includes forming a moveable plate over a substrate, and forming an energy harvesting coil in the moveable plate. The method further includes forming at least one connector connecting the movable plate with the energy harvesting coil, wherein a portion of the energy harvesting coil extends along the at least one connector. The method further includes forming electrodes around the moveable plate, the electrodes adapted to sense motion of the moveable plate. | 07-31-2014 |
20140215806 | STATOR MANUFACTURING METHOD AND STATOR MANUFACTURING APPARATUS - A stator manufacturing method involving a coil arrangement process, a coil deformation process, and a coil insertion process. During the coil arrangement process, a plurality of annular conductors constituting the coil are disposed in a coil holder such that a first portion of each of the annular conductors is inserted into a first catching gap formed between the blades, a second portion of each of the annular conductors is inserted into a second catching gap that is away from the first catching gap by a predetermined pitch. During the coil deformation process the coupling portion of each of the plurality of annular conductors is deformed by moving the coil pusher in the axial direction along the blades. During the coil insertion process the first and second portion of each of the annular conductors are inserted into the slots by further moving the coil pusher in the axial direction. | 08-07-2014 |
20140230235 | METHOD AND APPARATUS FOR REMOVAL AND REPLACEMENT OF A WOUND STATOR CORE - Removing a generator core ( | 08-21-2014 |
20140250680 | METHOD OF ASSEMBLING AN ELECTROMECHANICAL DEVICE IN A GAS-TURBINE ENGINE - A method of assembling an electromechanical device in a gas-turbine engine, including mounting a rotor of the device on a rotor support, securing a stator of the device to a stator support, coupling the rotor support to the stator support such that said rotor is rotatable about said stator, securing the device to a bearing support, securing a bearing assembly on the low pressure shaft, coupling the device to the low pressure shaft by installing the bearing support over the bearing assembly, and drivingly engaging the rotor support to the high pressure shaft. | 09-11-2014 |
20140259635 | ASSEMBLY MACHINE OF ROTATING ELECTRICAL MACHINE AND METHOD FOR MANUFACTURING ROTATING ELECTRICAL MACHINE - According to one embodiment, an assembly machine of a rotating electrical machine includes: a coil alignment portion that aligns coils, when aligning coils in a ring shape, such that one side of a circumferential direction in the ring is made to lay over a top surface side of an adjacent coil, and the other side of the circumferential direction of the coils is made to lay under a bottom surface side of an adjacent coil so as to form mutually overlapping regions in a thickness direction between the adjacent coils; an insertion part having columnar parts inserted into the interior of the mutually overlapping regions; and a pressing part which inserts the insertion part in an axial direction thereof, mutually overlapping in the thickness direction between the adjacent coils, from the insertion part into the interior of a slot in the core of the rotating electrical machine. | 09-18-2014 |
20140283372 | PERMANENT MAGNET ELECTRIC MOTOR - According to one embodiment, a rotor is configured by a rotor core and magnetic poles. Two or more types of permanent magnets are used such that each product of coercivity and thickness in the magnetization direction becomes different. A stator is located outside the rotor with air gap therebetween and configured by an armature core winding. At least one permanent magnet is magnetized by a magnetic field by a current of the armature winding to change a magnetic flux content thereof irreversibly. A short circuited coil is provided to surround a magnetic path portion of the other permanent magnet excluding the magnet changed irreversibly and a portion adjacent to the other permanent magnet where the magnetic flux leaks. A short-circuit current is generated in the short circuited coil by the magnetic flux generated by conducting a magnetization current to the winding. A magnetic field is generated by the short-circuit current. | 09-25-2014 |
20140290043 | CONTINUOUSLY FORMED ANNULAR LAMINATED ARTICLE AND METHOD FOR ITS MANUFACTURE - An apparatus and method for the production of relatively large diameter annular components, such as stator cores for electric motors, without excessive waste of material. In one embodiment, a first progressive die assembly forms a plurality of identical pole pieces each made of a plurality of individual stacked and interlocked laminations. The pole pieces, having protruding end portions, are loaded into a rotary carousel. A second progressive die assembly forms a continuous strip including a plurality of body segments connected via hinge portions disposed adjacent recesses between the body segments that are dimensioned to receive the protruding ends of the pole pieces. As the continuous strip is formed, it is wound about the rotary carousel with progressive pivoting of the body segments about the hinge portions to capture the protruding ends of the pole pieces within the recesses, with continued winding of the strip in a helical fashion around the rotary carousel continuing until a desired height is reached that is substantially equivalent to the height of the pole pieces. The strip is then cut, and the resulting annular part is welded at one or more locations to secure the components together. | 10-02-2014 |
20140290044 | Method for producing a round stator and rolling device - A method for producing a round stator includes: inserting wound pole teeth into an insertion section of a rolling device to form a pole tooth row, pushing the pole tooth row into a ring section of the rolling device, which ring section reproduces a round end shape of the stator to form a round stator structure, removing the round stator structure from the rolling device while holding the stator structure together, and processing the stator structure further to form a finished stator unit. | 10-02-2014 |
20140304978 | FLARING SYSTEM FOR FLARING STATOR WINDINGS - A flaring system for stator windings includes a base member, and a first cuff supported at the base member. The first cuff includes a first body having an inner annular surface that defines a first central opening. A second cuff includes a second body having an inner annular surface that defines a second central opening. A flaring guide includes an angled surface configured and disposed to rest upon the second body. A flare tool includes a flaring portion having an angled surface portion. The flaring portion is configured and disposed to extend between first and second stator winding layers of the a stator end turn portion with the angled surface portion urging one of the first and second stator winding layers radially outward against the angled surface of the flaring guide. | 10-16-2014 |
20140325829 | ELECTRIC MACHINE AND METHOD FOR MANUFACTURING IT - A method for making a rotary electric machine comprises the steps of: preparing a core ( | 11-06-2014 |
20140338182 | Motor Stator Automatically Assembling Method - A motor stator automatically assembling system includes a feeding unit, a wire-winding unit, a first conveyer unit, a second conveyer unit, a first assembly unit and a second assembly unit. A motor stator automatically assembling method includes: the feeding unit is operated to feed a plurality of insulation members; the insulation members are arranged on the first conveyer unit to convey to the wire-winding unit; the wire-winding unit is operated to wind wires on the insulation members to form a plurality of wire-wound insulation members; the wire-wound insulation members are arranged on the second conveyer unit to convey to the first assembly unit; the first assembly unit is operated to insert pole teeth into the wire-wound insulation members to form a plurality of compact pole tooth sets; the second assembly unit is operated to combine the compact pole tooth sets with a stator ring frame to form an assembled motor stator. | 11-20-2014 |
20140338183 | PRODUCTION METHOD OF ROTARY ELECTRIC MACHINE - A production method of rotary electric machines is provided that can laser weld the leading end parts of a plurality of electrical conductors projecting from respective slots with high joint strength. A production method of rotary electric machines that produces a rotary electric machine by joining, by way of laser welding, leading end parts | 11-20-2014 |
20140360007 | Method and device for producing stator pole theeth that are wound and connected to one another - A method for producing stator pole teeth includes: arranging stator pole teeth to be wound in the form of a row, each of the stator pole teeth having at least one insulation body; winding one pole tooth or several pole teeth of the row of stator pole teeth; routing winding wire or winding wires out of a winding space in the pole teeth to the outside of the stator pole teeth into a laying space bounded on one side by insulation bodies of the pole teeth; and laying the winding wire or the winding wires in the laying space to connect individual pole teeth to one another. During laying of the winding wire or wires, the laying space is temporarily constricted such that the winding wires are forcibly automatically axially stacked in the laying space so as to avoid wire crossovers. | 12-11-2014 |
20150013146 | REPLACEMENT MOTOR MOUNT FOR PITCH SYSTEM AND METHOD FOR INSTALLING SAME - A replacement motor mount for a pitch system of a wind turbine includes a bracket assembly configured for attachment to a first motor mount and a second supporting structure. The replacement motor mount is configured for mounting and securing a pitch motor having a geared drive end. The replacement motor mount is configured to displace the pitch motor from the first motor mount by a predetermined distance. | 01-15-2015 |
20150013147 | METHOD FOR MODIFYING STATOR TOOTH TOP ARC OF BRUSHLESS DC MOTOR - The present invention provides a method for modifying a stator tooth top arc of brushless DC motor, including: detecting motor parameters; determining an angle θ between initial slot axis and eccentric slot axis; determining a first arc by taking the rotating center of rotor as the center, and taking a first radius R | 01-15-2015 |
20150020375 | METHOD FOR MANUFACTURING BAND-SHAPED STATOR CORE SHEETS AND DIE APPARATUS USED THEREFOR - Provided are a method for manufacturing band-shaped stator core sheets, capable of efficiently separating the band-shaped stator core sheets having engaged magnetic pole pieces, and a die apparatus used therefor. | 01-22-2015 |
20150020376 | Apparatus and Method for Winding an Electric-Motor Laminated Core with a Magnet Coil - An apparatus is provided for winding a laminated core with a magnet coil for an electric motor in which a conductive, insulated coil wire is wound into one or multiple pole tip grooves of a winding surface of the laminated core. The apparatus comprises a holding device, a counter holding device, and one or multiple clamping elements. The holding device is configured to fix the laminated core to be wound during a winding process. The one or multiple clamping elements are configured to fix an insulating paper to one of the one or multiple pole tip grooves. | 01-22-2015 |
20150026963 | CLAW POLE COMPRISING A CENTERING POINT - An electrical machine ( | 01-29-2015 |
20150052736 | COIL SEGMENT MANUFACTURING APPARATUS AND COIL SEGMENT MANUFACTURING METHOD - A coil segment manufacturing apparatus includes a conducting wire material feeder which repeatedly feeds a conducting wire material while changing the feeding amount and interposing a processing time, a coating remover which removes an insulation coating of the conducting wire material at a removal position each time the processing time is reached, and a conducting wire material cutter which cuts the conducting wire material each time the processing time is reached. | 02-26-2015 |
20150059163 | SYSTEM AND METHOD FOR CENTERING WYE RING IN-SITU - A wye ring centering system and method are provided. The system includes a plurality of rollers configured for contacting a wye ring, and a plurality of mounting fasteners configured for supporting the plurality of rollers. Each of the mounting fasteners is configured to pass through a fan hub. The plurality of rollers and the plurality of mounting fasteners are distributed at substantially equal intervals around the fan hub. The wye ring is placed over the plurality of rollers to center the wye ring around a shaft. | 03-05-2015 |
20150059164 | MANUFACTURING METHOD FOR ROTATING ELECTRIC MACHINE - A manufacturing method for a rotating electric machine, in which the distal end portions of a plurality of coil ends, which are projected from slots of a stator core of a rotating electric machine and which are arranged in the radial direction of the stator core to form a plurality of layers, are held, and the coil ends are twisted and bent while moving the distal end portions in the circumferential direction. Neutral lines for bending the coil ends are different for each layer, and the neutral lines for the bending are positioned on farther outer sides for coil ends of farther outer layers. | 03-05-2015 |
20150074985 | INSERTION METHOD AND INSERTION APPARATUS - Provided are an insertion method and an insertion apparatus for efficiently and reliably inserting a plurality of coil elements aligned in a ring shape into respective slots of a stator core. In an insertion method of inserting, the insertion method includes a coil element alignment process S | 03-19-2015 |
20150101179 | Compact Drive, Spiroid Gear Unit, and Method for Manufacturing a Drive Unit - In compact drive, spiroid gear unit, and method for manufacturing a drive unit that includes at least an electric motor, a brake, a gear unit, and a frequency converter, the output shaft of the gear unit and the rotor shaft are positioned in parallel to each other, and the shaft-center distance is determined by at least one gear stage. The first gear stage includes a first toothed member connected to the rotor shaft, and a second toothed member, which engages with the first toothed member and is connected to an intermediate shaft, the brake, including at least a brake-rotor shaft, being integrated in the housing of the compact drive, the brake-rotor shaft being parallel to the rotor shaft, and the brake-rotor shaft being connected to a toothed member, which engages with the second toothed member. | 04-16-2015 |
20150128406 | STATOR FOR ROTARY ELECTRIC MACHINE AND METHOD FOR MANUFACTURING THE STATOR - Provided is a stator for a rotary electric machine, capable of reducing a space on an end surface of a stator core on an inner diameter side to reduce a size in an axial direction to realize a compact size by maintaining an insulating distance corresponding to a potential difference. In the stator for a rotary electric machine according to the present invention, a coil portion includes a coil main-body portion ( | 05-14-2015 |
20150135518 | Manufacturing a Stator For A Rotating Electrical Machine - A method of manufacturing lamination segments for the stator of an electrical machine is disclosed. The method comprises producing successive segments ( | 05-21-2015 |
20150333607 | INTEGRATED DRIVE GENERATOR HOUSING - A method of assembling an integrated drive generator includes the steps of providing a bore in a center housing portion, pressing a bearing liner into the bore, with a portion of the bearing liner extending proud of a surface of the center plate, and machining the surface around and adjacent to the bearing liner to provide a machined surface parallel to the surface. | 11-19-2015 |
20150357889 | AUTOMOTIVE ROTARY ELECTRIC MACHINE AND STATOR MANUFACTURING METHOD THAT IS USED THEREFOR - The stator winding has winding assemblies that are disposed in a stator core so as to be stacked in three or more layers in a radial direction such that slot-housed portions line up in single columns in a slot depth direction inside slots, and radial widths of return portions of the winding assemblies that are mounted so as to be stacked in a radial direction are made sequentially narrower in order of return portions of a winding assembly that is positioned centrally, return portions of a winding assembly that is positioned on an inner circumferential side, and return portions of a winding assembly that is positioned on an outer circumferential side. | 12-10-2015 |
20150372570 | APPARATUS AND METHOD FOR PRODUCING STATORS OF DYNAMO ELECTRIC MACHINES FORMED FROM AN ASSEMBLY OF POLE SEGMENTS - An apparatus and method for manufacturing stators of dynamoelectric machines, the stators being formed as an assembly of pole segments; the apparatus comprising a seat where the assembly of pole segments are seated. An engagement assembly engages first ends of the pole segments for translation of the pole segments from the seat to a transfer device. A first holding assembly comprises a first plurality of holding members for clamping the pole segments to hold the pole segments as an assembly of pole segments. The first holding assembly being arranged on the transfer device moveable to transfer the assembly of pole segments from a first position to a second position. A casing assembly is located at the second position and provided with a second plurality of holding members for holding the assembly of pole segments. The second plurality of holding members are positioned on the casing assembly to surround the assembly of pole segments that are located at the casing assembly. | 12-24-2015 |
20150372573 | METHOD AND APPARATUS FOR FORMING A CONCENTRIC WINDING COIL - A method for forming a concentric winding coil in which a coil end portion protruding from an axial end face of a stator core has a plurality of different nonlinear shapes, from a rectangular conductor wound in a predetermined number of turns, the method including forming the coil end portion into the plurality of different nonlinear shapes in one step by causing a die to make a stroke movement in a predetermined direction with respect to the rectangular conductor being set. | 12-24-2015 |
20150381021 | Manufacturing Method and Manufacturing Device of Stator - A manufacturing method of a stator for manufacturing a stator by mounting a concentrated winding coil wound with a square wire conductor on each of a plurality of teeth in a stator core and welding end of the concentrated winding coil to corresponding end of another concentrated winding coil, characterized in that a first set of concentrated winding coils and a second set of concentrated winding coils are mounted on the teeth, and the welding of each end in the first set of concentrated winding coils and corresponding end in the second set of concentrated winding coils is started while a third set of concentrated winding coils is mounted on the teeth. | 12-31-2015 |
20160003216 | METHOD AND SYSTEM FOR ASSEMBLING AND/OR DISASSEMBLING A WIND TURBINE ELECTRIC GENERATOR - A method of assembling and/or disassembling a rotating electric machine of a wind turbine having a vertical structure; a main frame fitted to the top of the vertical structure; a blade assembly fitted to the main frame to rotate about a rotation axis; and a tubular rotating electric machine having a plurality of axial active segments; the method including inserting and/or extracting the active segments axially on the blade assembly side. | 01-07-2016 |
20160006328 | Method of Manufacturing Wound Stator for Alternating-Current Generator - The present invention relates to a method of manufacturing a wound stator. The method promises the following steps: (1) providing a stator, which has a plurality of radial grooves arranged at an inner circumference of the stator, (2) providing a plurality of wires for the stator, and (3) sequentially embedding the straight portions of each wire in corresponding grooves of the stator so that each of the grooves is embedded with the wires. Each of the plurality of wire comprises: a first end, a second end, and a plurality of wave-shaped coils located between the first end and second end. Each wave-shaped coil is formed of straight portions and curved portions that alternate with each other. | 01-07-2016 |
20160013708 | Method of Servicing a Power Generator | 01-14-2016 |
20160028295 | METHOD OF MANUFACTURING STATOR FOR ROTARY ELECTRIC MACHINE - A method of manufacturing a stator for a rotary electric machine by disposing coils in a plurality of phases on a plurality of teeth of a stator core, one coil on one tooth, wherein in sequentially disposing the coils in the plurality of phases on the teeth, one coil on one tooth, toward one side in the circumferential direction of the stator core, the one end portion of each of the coils in each phase is inserted from the one side in the axial direction of the stator core, or from a direction that is orthogonal to the axial direction of the stator core, to be disposed between the one end portion and the other end portion of the immediately preceding coil in a separate phase disposed on the tooth so as to be aligned with the other end portion of the coil in the same phase. | 01-28-2016 |
20160049852 | TOOL AND METHOD FOR MACHING A WINDING - The present disclosure relates to a tool and a method for machining a winding for an electric machine and a use of such a tool. Disclosed is a tool for machining a winding for an electric machine, with a hammer or a movable wheel supported by arms, the hammer or the movable wheel are suitable for engaging and exerting pressure to the winding to modify the height h and/or the surface structure of the winding, whereas the hammer conducts a bidirectional movement in the axial direction of the tool, whereas the wheel conducts a bidirectional movement in the axial direction of the tool and/or a rotating movement, and whereas the tool further comprises a heat source to apply heat to the winding. | 02-18-2016 |
20160056696 | ROTARY ELECTRIC MACHINE AND MANUFACTURING METHOD THEREFOR - A stator core includes an inner ring core composed of a plurality of teeth arranged in the circumferential direction and a connection portion connecting inner circumferential portions of the plurality of teeth; and an outer ring core to be joined to an outer circumferential surface of the inner ring core. Slots of the stator core each have a circumferential direction width (a) on an inner circumference side smaller than a circumferential direction width (b) on an outer circumference side. A stator coil composed of conductive coils including a plurality of slot accommodated portions and a plurality of coil end portions connecting the slot accommodated portions is inserted and placed in the slots from an outer side in the radial direction of the inner ring core. | 02-25-2016 |
20160056697 | METHOD FOR MANUFACTURING A STATOR FOR A ROTATING ELECTRICAL MACHINE - A method for manufacturing a stator for a rotating electrical machine by placing coils in a stator core, wherein each of a plurality of teeth formed in a radial pattern in an inner periphery of an annular yoke portion in the stator core has tip-end parallel side surfaces formed in its tip end portion having a constant width in a circumferential direction, has intermediate tilted side surfaces continuous with the tip-end parallel side surfaces and formed in its portion whose width in the circumferential direction increases closer to an outer periphery, and has base-end parallel side surfaces continuous with the intermediate tilted side surfaces and formed in its base end portion having a constant width in the circumferential direction. | 02-25-2016 |
20160087513 | MACHINE OF MAKING AN ELECTRONICS PACKAGE FOR AN ELECTRIC MACHINE - A method of making an electronics package for an alternator includes inserting a post of a terminal assembly thorough a hole in an electrically conductive carrier member such that the terminal assembly is positioned on a first side of the carrier member and an end portion of the post extends from a second side of the carrier member. The method further includes deforming the post extending through the hole on the second side of the carrier member such that the terminal assembly engages the second side of the carrier member and the carrier member is connected to the terminal assembly. | 03-24-2016 |
20160111943 | BLOWER MOTOR FOR HVAC SYSTEMS - A blower motor assembly having a variable speed motor that is suitable for replacing a PSC motor in a residential HVAC (heating, ventilation, and air conditioning) system. The blower motor assembly includes a variable speed motor and motor controller; a first power input for receiving a plurality of AC power signals from a control device for use in determining an operating parameter for the motor; and a second power input for receiving AC power from an AC power source for powering the motor controller even when no AC power signals are received by the first power input. | 04-21-2016 |
20160118869 | METHOD FOR INSULATING CONNECTION ENDS OF STATOR WINDING - A method for insulating connection ends of a stator winding includes a resin placing step of placing a resin member formed of a thermosetting resin which is to be melted by heating on connection ends in a coil end portion of a stator winding of a rotary electric machine, a melting step of melting the resin member by heating to cover the connection ends with a melted resin, and a curing step of curing the melted resin after the melting step. Recesses and projections for positioning that correspond to the arrangement locations of the connection ends can be provided on a surface of the resin member. | 04-28-2016 |
20160141942 | Method for Producing Lamination Stacks and Facility for Performing the Method - In a method for producing stacks of laminations, in which at least one adhesive is applied onto annular laminations with at least one application head and laminations are stacked into a stack of laminations, the lamination is rotated about its axis in the application area of the application head and/or the application head is moved about the axis of the lamination in order to apply the adhesive onto the lamination. A system for carrying out the method features at least one punching tool, with which laminations are punched out of a sheet metal material, wherein at least one station for cleaning and/or for activating and/or for applying an adhesive onto the laminations is arranged downstream of the punching tool. | 05-19-2016 |
20160149475 | Electromechanical Machine Bearing Replacement Jig - An electromechanical machine bearing replacement jig, which may be used for refurbishing machines such as motors and/or generators, comprises a housing that includes a bearing hanger configured to hold or support a bearing. A pusher pin is configured to physically interact with a shaft of the machine and an associated lever is configured to apply force to the shaft via the pusher pin while the bearing remains held by the bearing hanger, thus decoupling the two parts. The bearing replacement jig may also be used to attach a replacement bearing to an electromechanical machine by positioning a bearing in a bearing bed where it is held for mating with a shaft of the machine. The shaft is then guided into a mating position with the bearing and the lever pulled down to apply force to the shaft via the pusher pin, thereby forcing the shaft into coupling with the bearing. | 05-26-2016 |
20160181895 | METHOD FOR MANUFACTURING A STATOR FOR A ROTATING ELECTRICAL MACHINE | 06-23-2016 |
20160181897 | Method for forming at least one U-shaped winding element for an electromagnetically excitable core of an electric rotation machine | 06-23-2016 |
20160190901 | METHODS OF ASSEMBLING AN ELECTRICAL MACHINE - A method of constructing an electrical machine by assembling a first structure (one of a rotor and stator structure) and a second structure (the other of the rotor and stator structure), along with a plurality of first elements (one of a plurality of permanent magnet elements and a plurality of winding elements) and a plurality of second elements (the other plurality of the permanent magnet elements and winding elements). The first elements are attached to a rim of the first structure, and the second elements are attached to the first elements, this attachment being caused by a magnetic attraction. The first structure is assembled with the second structure such that the second elements are positioned for a posterior attachment to a rim of the second structure, and the second elements are attached to the rim of the second structure. | 06-30-2016 |
20160254733 | APPARATUS AND METHOD FOR MANUFACTURING COMPONENTS OF DYNAMOELECTRIC MACHINES | 09-01-2016 |
20160254734 | STATOR HEATING APPARATUS AND STATOR HEATING METHOD | 09-01-2016 |
20170237320 | MANUFACTURING METHOD OF LAMINATED CORE AND MANUFACTURING DEVICE OF LAMINATED CORE | 08-17-2017 |
20180026501 | MANUFACTURING METHOD FOR LAMINATED IRON CORE AND MANUFACTURING DEVICE FOR LAMINATED IRON CORE | 01-25-2018 |
20180026503 | STATOR MANUFACTURING METHOD AND APPARATUS | 01-25-2018 |
20190148995 | PERMANENT MAGNET SYNCHRONOUS MACHINE AND METHOD FOR MANUFACTURING PERMANENT MAGNET SYNCHRONOUS MACHINE STATOR | 05-16-2019 |
20190149025 | PROCESS FOR OVER-MOULDING AN OUTER STATOR | 05-16-2019 |