Entries |
Document | Title | Date |
20080203845 | Insulating Mask Arrangement, Armature and Electrical Machine - The invention relates to an insulating mask arrangement for electrically insulating an electric winding from an iron core ( | 08-28-2008 |
20080246364 | Phase insulator - A phase insulator for a stator of a motor insulates between stator coils. The stator has plural stator coils inserted in slots in a stator core. The phase insulator insulates stator coils from each other. The phase insulator includes insulating sheet portions and bridge portions. The insulating sheet portions are disposed at both end portions of the stator core for insulating between the coil ends of the stator coils. The insulating sheet portions are made of a first material. The bridge portions connect the insulating sheet portions. The bridge portions are inserted in the slots of the stator core. The bridge portions are made of a second material. The second material has higher elastic characteristics than the first material. | 10-09-2008 |
20090072654 | COIL INSULATOR, ARMATURE COIL INSULATED BY THE COIL INSULATOR AND ELECTRICAL ROTATING MACHINE HAVING THE ARMATURE COIL - A coil insulator of an electrical rotating machine used as a main insulator for insulating a bundle of conductors formed of a plurality of insulated wires to form an armature coil provided in a slot of a rotor core or a stator core of an electrical rotating machine, wherein the coil insulator includes a mica layer including at least one of a peeled-off mica and a composite mica, a woven- or unwoven cloth including at least one of inorganic and organic materials, hexagonal crystal boron nitride particles having a graphitization index of 1.8 or more, and thermosetting polymer organic resin which integrally connects the mica layer and the hexagonal crystal boron nitride particles to each other, and the hexagonal crystal boron nitride particles is oriented in a longitudinal direction of the coil. | 03-19-2009 |
20090079290 | METHOD FOR SPACING ELECTRICAL CONDUCTORS AND RELATED DEVICES - A method of spacing a plurality of electrical conductors for carrying electrical current in an electrical machine may include positioning between the electrical conductors an uncured spacer body. The uncured spacer body may include a curable material, and an activatable heat generating material mixed with the curable material. The method may further include activating the activatable heat generating material to heat the curable material to form a cured spacer to thereby space the electrical conductors in the electrical machine. | 03-26-2009 |
20090079291 | INTERPHASE INSULATING SHEET OF ROTATING ELECTRIC MACHINE, METHOD FOR MANUFACTURING INTERPHASE INSULATING SHEET, AND ELECTRIC COMPRESSOR - An interphase insulating sheet of a rotating electric machine is disclosed. The interphase insulating sheet includes a first insulating portion arranged between first coil ends of two different phases, a second insulating portion arranged between second coil ends of two different phases, and bridge pieces inserted in slots. The first insulating portion and the second insulating portion each includes an outer surface facing radially outward of the stator core and an inner surface facing radially inward of the stator core. The bridge pieces each include a first end portion that is heat welded to the first insulating portion and a second end portion that is heat welded to the second insulating portion. When the first end portion is heat welded to the inner surface of the first insulating portion, the region including the edge of the first end portion is heat welded to the first insulating portion. When the second end portion is heat welded to the outer surface of the second insulating portion, at least the region including an opposing end of the second insulating portion facing the first insulating portion is heat welded to the second end portion. | 03-26-2009 |
20090079292 | INTERPHASE INSULATING SHEET OF ROTATING ELECTRIC MACHINE, METHOD FOR MANUFACTURING INTERPHASE INSULATING SHEET, AND ELECTRIC COMPRESSOR - An interphase insulating sheet of rotating electric machine is disclosed The interphase insulating sheet includes a first insulating portion, a second insulating portion, and at least one bridge piece. The first insulating portion includes at least one first coupling aid integrally provided with the first insulating portion to extend from an opposing end of the first insulating portion facing the second insulating portion. The second insulating portion includes at least one second coupling aid integrally provided with the second insulating portion to extend from an opposing end of the second insulating portion facing the first insulating portion. A first end portion of the bridge piece is heated welded to the first coupling aid. A second end portion of the bridge piece is heated welded to the second coupling aid. The first coupling aid has a first positioning hole. The second coupling aid has a second positioning hole. The first end portion of the bride piece includes a third positioning hole, which overlaps the first positioning hole. The second end portion of the bride piece includes a fourth positioning hole, which overlaps the second positioning hole. | 03-26-2009 |
20090091206 | WINDING HEAD ISOLATION ELEMENT AND MULTIPHASE ELECTRIC MOTOR - The invention concerns a winding head isolation element ( | 04-09-2009 |
20090102310 | Stator of motor - A stator of a motor is provided with a stator core having a plurality of teeth and a plurality of windings wound around teeth of the stator core. The stator also has an insulator that is provided with a plurality of lead-out guide portions that enable lead-out wires of the windings to be drawn out from the tooth winding portions in a state of being close to the tooth winding portions. | 04-23-2009 |
20090102311 | Insulator for electric rotating machine - In an insulator to be inserted into each slot to be attached to adjacent teeth formed at a rotor or a stator of an electric rotating machine, the insulator is composed of insulator segments that are made divisible in a longitudinal direction parallel to a rotational axis of the rotor at a position corresponding to 2 slots and are made divisible in a lateral direction perpendicular to the rotational axis of the rotor, the insulator segments have surfaces to be coupled to each other of a same shape in the lateral direction, and the insulator segments have a creepage distance that is made longer than a distance in the lateral direction, thereby enabling to elongate the creepage distance and to improve work efficiency. | 04-23-2009 |
20090102312 | INSULATOR AND ROTATING ELECTRIC MACHINE - An insulator allowing a coil to be wound with large tension exerted and a rotating electric machine having the insulator are provided. An insulator ( | 04-23-2009 |
20090108696 | INTERPHASE INSULATING SHEET OF ROTATING ELECTRIC MACHINE, AND ELECTRIC COMPRESSOR - An interphase insulating sheet of a rotating electric machine is disclosed. The interphase insulating sheet includes a first insulating portion arranged between first coil ends of two different phases, a second insulating portion arranged between second coil ends of two different phases, and bridge pieces inserted in slots. The first insulating portion includes a first coupling aid. The second insulating portion includes a second coupling aid. The first coupling aid and the second coupling aid each includes an outer surface facing radially outward of the stator core and an inner surface facing radially inward of the stator core. The first end portion of the bridge piece is located on the outer surface of the first coupling aid, and the second end portion of the bridge piece is located on the inner surface of the second coupling aid. | 04-30-2009 |
20090127969 | INSULATING BOBBIN FOR STATOR OF ROTARY MACHINE - An insulating bobbin for disposition between a stator core and a stator winding of a stator of a rotating machine, the stator winding being wound around the stator core by way of the insulating bobbin, the insulating bobbin comprising a coil end section at which an end portion of the stator winding is disposed, a slot side section forming a slot for winding thereon the stator winding, and a corner section having a curved surface and connecting between the coil end portion and the slot side portion, the corner section having a first radius of curvature at a side closer to the coil end section and a second radius of curvature at a side closer to the slot side section, the second radius of curvature being larger than the first radius of curvature. | 05-21-2009 |
20090189476 | INTERPHASE INSULATING MEMBER AND ROTATING ELECTRIC MACHINE - An interphase insulating member allowing reduction in size of a rotating electric machine is provide. The interphase insulating member includes a flat portion interposed between and insulating neighboring two phases of coil ends, and a three-dimensional portion protruding from the flat portion and guiding the coil. On a surface of the flat portion, epoxy resin layer is provided as a reinforcing member. | 07-30-2009 |
20090200891 | Electric Motor Having A Field Assembly With Slot Insulation - An electric motor has a field assembly, such as a stator, for a dynamoelectric machine has field coils that are wound to a net shape. Lead wires are brought out from the ends of each field coil. The field coils are insulated with insulating sleeves or insulating slot liners. The field coils are assembled with stator core pieces, such as pole pieces and return path pieces, into the stator. The stator core pieces are formed prior to being assembled with the field coils. In an aspect of the invention, the pole pieces and return path pieces are separately formed and then assembled together with the field coils, which have also been separately formed. | 08-13-2009 |
20090230810 | Cassette Coil and Rotating Electrical Machine Having the Cassette Coil - A cassette coil comprising an insulator bobbin including a core tube around which a wire coated with an insulating film is wound, forming a coil, and a pair of plate-shaped flanges provided at both ends of the core tube, the flange including a cutout portion opening in a side, wherein the cassette coil includes an insulation wall between a winding start part which is one end of the coil of the wire and an outermost wire part located on the outermost side of the coil of the wire and close to the flange. | 09-17-2009 |
20090243421 | ELECTRIC MOTOR STATOR AND PERMANENT MAGNET-TYPE ELECTRIC MOTOR USING THE SAME - An electric motor stator according to the present invention includes two resin insulation components, each resin insulation component including a long side portion, facing a side face of the teeth section, and two short side portions, extending from respective ends of the long side portion and facing respective end faces of the laminated core in a lamination direction. The laminated core is clamped by the two resin insulation components from a direction along surfaces of the electromagnetic steel plates, and fitting portions of the two short side portions of each of the two resin insulation components are used to fit the two resin insulation components to each other. | 10-01-2009 |
20090267442 | Stator assembly - A stator assembly is provided and includes a laminated core and a one-part insulator having cover walls for covering edges of the laminated core, wherein first projections and a second projection both having a height smaller than the difference between the height of the cover walls and the thickness of the laminated core are formed on one side surface of the insulator in such a manner as to make contact with a part of one axial end side surface of the laminated core, whereby a gap which corresponds to the projection distance of the first and second projections and which serves as a clearance space for chips scraped by the edges of the laminated core from the surfaces of the cover walls is provided between the insulator and the laminated core, resulting in ensuring that the insulator is snap-fitted on the laminated core in good shape. | 10-29-2009 |
20090322179 | STATOR FOR AN ELECTRICAL MACHINE - The invention describes a stator for an electrical machine, in particular a universal motor, comprising a stator core ( | 12-31-2009 |
20090322180 | ROTARY ELECTRIC MOTOR - A rotary electric motor includes a cylindrical rotor having an outer peripheral side, a stator provided to surround the outer peripheral side of the rotor with a gap between the stator and the rotor, and a load side bracket having a recess and provided on a load side of the stator. The stator includes stator coils and a stator core having teeth portions around which the stator coils are wound. A load side coil end of each of the stator coils protrudes from a load side end face of the stator core. At least two of an inner peripheral surface, an outer peripheral surface, and an end face of the load side coil end contact an inner surface of the recess via an insulator. | 12-31-2009 |
20100013344 | COIL BOBBIN FOR MOTOR - A coil bobbin has a body part, a first outer flange part provided at one end of the body part and a second outer flange part provided at the other end of the body part. The first outer flange part has a widthwise dimension larger than that of the second outer flange part. The first outer flange part has leg portions at both ends in the widthwise direction at the lower end. The second outer flange part has a leg portion at the lower end. The coil bobbin is preferably supported by the leg portions of the first outer flange part and the leg portion of the second outer flange part. | 01-21-2010 |
20100019611 | MOTOR/GENERATOR PHASE INSULATION ARTICLE AND METHOD FOR MANUFACTURING - Apparatus including a monolithic, motor/generator phase insulation article having a manufactured state and a ready-to-use state. The insulation article has longitudinally-spaced-apart first and second tabs and flexible, transversely-spaced-apart first and second legs each having a first end monolithically joined to the first tab and a second end monolithically joined to the second tab. The first and second tabs are disposed longitudinally closer together in the manufactured state than in the ready-to-use state. In the manufactured state the first and second legs each have a more serpentine shape, and in the ready-to-use state the first and second legs each have a less serpentine shape. A method for manufacturing the insulation article is also described which cuts a monolithic, substantially-rectangular sheet of motor/generator phase insulation to create the insulation article. | 01-28-2010 |
20100052461 | INSULATING MEMBER AND STATOR - An insulator is provided between a stator core and a conductive wire provided on the stator core. The insulator includes a wound portion, around which the conductive wire is wounded, having a substantially rectangular shape; and a flange, formed in the axial end of the wound portion in the stator tooth tip side, for pressing the conductive wire in the axial direction (radial direction relative to the rotation axis of a rotor in a configuration of a rotating electrical machine). The flange includes four corner portions at its four corners, and intermediate portions formed between the four corner portions to have a width (B | 03-04-2010 |
20100052462 | Armature and electric motor having the same - Winding guide portions of an insulator are received in slots, respectively, of a core. Each of windings is electrically insulated from the core by a winding guide wall of a corresponding one of the winding guide portions in each of corresponding two of slots of the core. The winding guide wall of at least one of the winding guide portions is configured differently from the winding guide wall of each of the rest of the winding guide portions and includes a radial bottom wall section, which is radially outwardly spaced from a radial bottom wall section of a corresponding one of the slots by a predetermined distance and contacts a corresponding one of the windings. | 03-04-2010 |
20100096945 | INSULATOR FOR MOTOR, STATOR, MOTOR AND COMPRESSOR - An insulator for a motor includes an annular section, a plurality of tooth sections and a plurality of connecting sections. The tooth sections extend radially inward of an inner circumferential surface of the annular section and are circumferentially arranged about the annular section. The connecting sections connect an inner circumferential surface of an annular section to ends of the tooth sections. Each connecting section includes a circumferential planar portion extending circumferentially from the end of a corresponding one of the tooth sections, and a radial planar portion extending radially from the end of the corresponding one of the tooth sections. Preferably, a stator includes a pair of the insulators, a motor includes the stator, and a compressor includes the motor. | 04-22-2010 |
20100109470 | Alignment of Segmented Stators for Electric Machines - A stator segment for a segmented stator of an electric machine includes insulative material configured for overlapping with insulative material of an adjacent stator segment to provide continuous insulation along a joint between the adjacent stator segments. Additionally, or alternatively, the stator segment can include one or more alignment tabs configured to engage a surface of an adjacent stator segment to inhibit relative axial movement between adjacent stator segments. | 05-06-2010 |
20100133947 | ELECTRIC MOTOR CORE MEMBER - An electric motor core member includes a body having an inner diametric portion including an inner arcuate surface and an outer diametric portion including an outer arcuate surface. The electric motor core member further includes a plurality of wall members provided on the main body. Each of the plurality of wall members projects outwardly from the outer arcuate surface and is arranged in a spaced relationship to define a plurality of conductor isolation channels. Each of the plurality of conductor isolation channels is adapted to receive one of a plurality of conductors with the plurality of wall members providing electrical isolation between adjacent ones of the plurality of conductors. | 06-03-2010 |
20100141079 | ELECTRIC MOTOR - An electric motor comprising a stator and a rotor, the stator comprising: a stator core having a yoke and a plurality of teeth extending inwardly from the yoke, a slot being formed between adjacent teeth; windings wound around the teeth; and a dielectric slot liner disposed between the stator core and the windings in each slot for insulating the stator core from the windings. Each slot liner comprises a body conforming the stator core in the slot and two ends each with a lip structure protruding relative to the body in a radial direction of the stator to increase the creepage distance between the winding and a distal end of a corresponding tooth of the stator core. | 06-10-2010 |
20100148623 | HIGH VOLTAGE MOTOR WINDINGS - An electric submersible pump (ESP) includes a pump and an electric motor operationally connected to the pump, the electric motor includes a rotor; a stator having a plurality of stator slots; a plurality of magnet wires positioned in each stator slot; and a member positioned within the stator slot, the member maintaining the magnet wires substantially parallel to one another. | 06-17-2010 |
20100181863 | Electronic motor - There is provided an electronic motor in which a stator core is thinned to obtain an increased diameter of a rotor is to produce a high power output, and a stator can be positioned with high accuracy at the time when a coil is wound on the stator. The outside peripheral surface of a yoke part | 07-22-2010 |
20100187943 | ELECTRICAL MACHINE WITH ELECTRICALLY INSULATED WINDING ELEMENTS - The invention relates to an electrical machine ( | 07-29-2010 |
20100207482 | STATOR FOR AC MOTOR - A stator of an alternating current (AC) motor is disclosed. The stator includes a stator core having a divided structure including and an outer stator core fitted around the inner stator core while being connected to an inner circumference of the inner stator core. The inner stator core has a rotor insertion hole formed at the inner circumference of the inner stator core and a plurality of tooth members arranged in a circumferential direction at an outer circumference of the inner stator core. Since the coils are wound directly on the tooth members through intervals between the neighboring tooth members at the outer circumference of the inner stator core, manufacturing of the stator is facilitated. In addition, since insertion of the coils into the slots is not performed through gaps formed on an inner side of the inner stator core where the rotor insertion hole is formed, the gaps may be minimized. As a result, the performance of the AC motor is improved. | 08-19-2010 |
20100244615 | STATOR FOR ROTARY ELECTRIC MACHINE AND METHOD OF MANUFACTURING THE STATOR - A stator core for a rotary electric machine is provided. The stator includes an annular stator core having a plurality of slots punched and arranged in the circumferential direction, being straight in the axial direction, and a stator winding consisting of wire members. The wire members have respective straight portions accommodated in respective slots. Each of the wire members has a conductor portion having a rectangular cross section and an insulating coating covering the conductor portion. An adhesive member is provided between each of the straight portions and the wall surface of each slot. In each slot, the adhesive member adheres the straight portions to the wall surface. Thus, the stator core can maintain the space factor of the wire members accommodated in each slot and suppress vibration of the wire members during the operation of the rotary electric machine to reliably reduce generation of peculiar noise or magnetic noise. | 09-30-2010 |
20100253175 | ISOLATOR RING FOR AN ELECTRIC MOTOR - A stator assembly includes a stator stack and a plurality of conductors extending from the stator stack. An isolator/assembly ring is located on the stator stack. The isolator/assembly ring includes a plurality of inwardly protruding fingers. A method of assembling the stator assembly includes threading the plurality of conductors through the stator stack such that each of the plurality of fingers on the isolator/assembly ring is located between respective ones of the plurality of conductors. | 10-07-2010 |
20100264774 | INSULATOR STRUCTURE OF MOTOR, AND MOTOR-INTEGRATED PUMP - An insulator structure of a motor, includes: a stator core having a plurality of protruding tooth portions which are disposed along an inner periphery of the stator core or an outer periphery of the stator core; a pair of first and second insulators respectively mounted to a first end portion and a second end portion in an axial direction of the stator core, wherein a plurality of cover portions are provided for each of the pair of the first and second insulators so as to cover the plurality of the respective tooth portions; and a winding wound around a tooth portion of the tooth portions covered with the respective cover portions, the winding being capable of causing a magnetic force to the tooth portion by an energizing; wherein with the pair of the first and second insulators, the cover portion's second head end portion in an axial direction of the first insulator in the axial direction and the cover portion's first head end portion in an axial direction of the second insulator in the axial direction mate with each other, the cover portion having the head end portion in the axial direction provided with a first fitting portion and the cover portion having the head end portion in the axial direction provided with a second fitting portion fittable with the first fitting portion are provided for each of the pair of the first and second insulators, the cover portion provided with the first fitting portion and the cover portion provided with the second fitting portion are so disposed as to face each other in such a configuration as to interpose therebetween a center axis of the stator core, and the first insulator and the second insulator which is substantially the same as the first insulator in configuration and is reversed in the axial direction are configured to face each other, such that the first fitting portion of the first insulator mates with the second fitting portion of the second insulator. | 10-21-2010 |
20100277030 | LAMINATED STATOR ASSEMBLY - A stator core for a generator includes a multiple of core laminations along an axis, each of the multiple of core laminations define at least one leg which extends in a radial direction from the axis. | 11-04-2010 |
20110012475 | INTERPHASE INSULATIVE STRUCTURE FOR MOTOR AND METHOD FOR COUPLING INTERPHASE INSULATIVE SHEET IN MOTOR - An interphase insulative structure for a motor. The motor includes a stator core, a plurality of teeth arranged along an inner circumference of the stator core, and first to third phase windings wave wound to the stator core. The interphase insulative structure includes first interphase insulators and second interphase insulators. The first and second interphase insulators are connected between adjacent coil end conductive portions of the second winding at least at a second end of the stator core. | 01-20-2011 |
20110018382 | STATOR AND ELECTRICAL APPARATUS - A plurality of stator teeth | 01-27-2011 |
20110031842 | COMPONENT FOR AN ELECTRIC MACHINE - A component for an electric machine includes a spool having a main body portion provided with a first end portion that extends substantially uninterrupted to a second end portion through an intermediate portion. A plurality of mounting elements are provided on the first end portion. A star member is operatively connected to the spool. The star member includes a main body, a plurality of flap members that extend from the main body and collectively define a central opening, and a plurality of mounting members that extend into the central opening. The plurality of mounting members engage with corresponding ones of the plurality of mounting elements to detachably mount the star member to the first end portion of the spool. | 02-10-2011 |
20110037338 | STATOR FOR ELECTRIC MOTOR - The invention relates to a stator with a plurality of field coils, wherein the yoke teeth, which bear the field coils, of the poles are connected with their free ends to a stator ring, and wherein adjacent pole shoes or poles are connected to one another. | 02-17-2011 |
20110050026 | INSULATION ASSEMBLY FOR A STATOR CORE - An assembly for providing electrical insulation in a stator core of a vehicular electric machine is provided. The stator core has a channel and the assembly comprises a first conductive element disposed through the channel, and a second conductive element disposed through the channel and substantially adjacent to the first conductive element. The assembly also comprises a first electrically insulating film having a first end residing between the first and second conductive elements. | 03-03-2011 |
20110074241 | ROTATING ELECTRICAL MACHINE AND COIL - According to one embodiment, there is provided a rotating electrical machine including a core, a coil extending from the core, and an electromagnetic shield which is provided outside the core, and has a plurality of shoulders projecting toward the coil. The coil includes an insulator covering outside of a conductor, a resistance layer formed on a surface of the insulator and contacting the core, and at least one potential grading layer formed on a surface of the insulator adjacent to the resistance layer. A boundary between the resistance layer and potential grading layer is provided at a position farther from the core than a point on a surface of the coil, where a distance between the coil and a shoulder of the electromagnetic shield closest to the core is the shortest. | 03-31-2011 |
20110095641 | DIELECTRIC EXTRUSION FOR STATOR SLOT LINERS - An electric motor includes a rotor and a stator assembly concentrically located about the rotor. The stator assembly includes a stator stack and a plurality of spaced apart stator teeth extending radially from the stator stack. The plurality of stator teeth define a plurality of stator slots. A plurality of slot liners are each inserted within a respective one of the stator slots. The slot liners are each formed from a length of extruded dielectric material. A method of manufacturing the electric motor includes inserting the extruded slot liners into the stator slots, then inserting a plurality of conductors into the respective one of the plurality of cavities that are defined by the extruded slot liner. | 04-28-2011 |
20110109188 | Partial Discharge Resistant Motor Slot Insulation - Systems and methods for reducing or preventing partial discharge between turns of a single coil within an electric motor by placing insulating barriers between different pluralities of wire turns in a single coil. One embodiment comprises an electric motor. The motor includes a rotor and a stator, where the stator has multiple coils of wire that are positioned in passageways in the stator to form electromagnets. Each wire coil has multiple wire turns, and insulating barriers are positioned between different sets of wire turns within the coil. In one embodiment, the stator includes a slot liner in each passageway to electrically isolate all of the wire turns in each coil from the walls of the passageway. The wire coils may be formed with wire that has an insulating coating which is separate from the insulating barriers. | 05-12-2011 |
20110109189 | ROTARY MACHINE STATOR - According to one embodiment, a rotary machine stator includes a cylindrical stator core, an insulating film, and a ring-shaped insulator. The stator core includes a slot and a slot opening. The insulating film is formed cylindrical to be in close contact with the inner surface of the slot. The insulating film includes a gate on both ends that is bent to form a film opening as wide as or wider than the slot openings. The insulating film is inserted in the slot such that a film axial direction end of the insulating film protrudes from an axial direction end of the stator core. The insulator is attached to both ends of the stator core. The insulator includes an insulator slot and an insulator opening in substantially the same shape as the slot and the slot opening, respectively, and a lock to lock the film axial direction end. | 05-12-2011 |
20110115330 | High efficiency alternator bobbin - A rotor assembly is disclosed for use with an alternator. The rotor assembly includes a bobbin assembly, a claw pole assembly having an integrated hub on which the bobbin assembly is positioned, a shaft that is received in the claw pole assembly, and a slipring assembly connected to the shaft. The bobbin assembly includes thin first and second end caps, a metal sleeve, a ring of inner tape, a field coil, and a ring of outer tape. The first and second end caps each have inner and outer flaps. The inner flaps are folded inwardly so that the end caps fit over the metal sleeve. The ring of inner tape is wrapped around the inner flaps of both end caps to adhere the first and second end caps to the metal sleeve. The field coil is wrapped around the inner ring of tape, inner end caps, and metal sleeve. The outer flaps on the end caps are inwardly folded around the field coil. The ring of outer tape is adhered to the folded outer flaps and the field coil. The claw pole assembly includes a front claw pole section and a rear claw pole section. | 05-19-2011 |
20110148244 | APPARATUS AND METHOD FOR ELECTRICALLY INSULATING END TURNS OF A STATOR ASSEMBLY - An apparatus and method for providing electrical insulation between adjacent end turns at different phases within a stator assembly. In one embodiment, the invention is directed to a stator assembly comprising: a stator core having a plurality of slots; at least two coils of different phases wound on the stator core through the slots and having an end turn that extends from the stator core; and one or more separator members positioned between adjacent end turns of the coils. | 06-23-2011 |
20110148245 | ASSEMBLING METHOD FOR A STATOR AND STATOR PRODUCED THEREBY - A laminated stator and a method for making a laminated stator of an electric motor. The method includes arranging a plurality of stator laminations into lamination stacks spaced axially from one another, each lamination stack including a first group of stator laminations including an annular portion and a plurality of tooth portions extending from a periphery of the annular portion, and a second group of stator laminations including only tooth portions positioned to correspond with the tooth portions of said first group. The method further includes winding stator windings around selected subsets of the plurality of teeth while the lamination stacks are spaced axially and meshing the lamination stacks with one another so the annular portions of the lamination stacks are axially adjacent one another and the plurality of teeth are intermeshed with the plurality of another stack. | 06-23-2011 |
20110193444 | ELECTRIC MOTOR - The electric motor of the present invention is capable of improving efficiency of level-winding coil cables and increasing lamination factors of coils. The coil cable, which is wound on first bobbins as first coils, has connection parts. The connection parts are respectively extended from a winding-start point of the first coil wound on each of the first bobbins and a winding-termination point thereof, for parallel winding, through a groove section located on the inner side of a second coil wound on each of second bobbins so as not to interfere with the second coil. | 08-11-2011 |
20110204742 | Rotating Electric Machine - A rotating electric machine comprises a stator and a rotor. In the rotor, numerous slots are formed along a circumferential direction. In the each of slots, a first stator coil and a second stator coil are inserted and insulated by an insulator inserted before inserting the coils in the slots. The insulator encircles the first and second stator coils so as to be formed into an S shape. The center portion thereof extends over the area between the first and second stator coils. One end of the insulator is held between one surface of the center portion of the insulator and the first stator coil. Other end of the insulator is held between another surface of the center portion of the insulator and the second stator coil. | 08-25-2011 |
20110221297 | WINDING INSULATION ARRANGEMENT FOR AXIAL FLUX MACHINES | 09-15-2011 |
20110241474 | ARMATURE AND MOTOR - An armature includes a core-back, insulator members, coils and insulating sheets. The insulating sheets are arranged between the coils adjacent to one another. Each of the insulator members includes a flange-shaped inner wall portion positioned radially inwards of each of the insulating sheets. The inner wall portions of the insulator members adjacent to each other include opposing portions opposed to each other in a radially spaced-apart contactless relationship. | 10-06-2011 |
20110273053 | ARMATURE OF ELECTRIC MOTOR - An object of the invention is to provide an armature of an electric motor that provides a maximum of space for winding without causing an increase of the magnetic resistance and reduction of the coil space factor. The armature of the electric motor includes a stator yoke | 11-10-2011 |
20110285240 | STATOR, MOTOR, AND COMPRESSOR - A stator includes a core and an insulator. The core has a plurality of annularly arranged tooth portions. The insulator is disposed on an end portion of the core, and has an annular wall portion extending in a direction departing from the core. A protrusion protrudes radially outward across an entire circumference of the wall portion, and the protrusion is provided on an outer circumferential surface of the wall portion. | 11-24-2011 |
20110291519 | Segmented Stator Assemblies Having End Caps - Segmented stator assemblies having a plurality of stator segments and a plurality of end caps are disclosed. According to one example embodiment, a segmented stator assembly includes a plurality of stator segments and a plurality of end caps. Each stator segment has a yoke portion and a tooth portion extending from the yoke portion. Each end cap is positioned over one of the stator segments. Each end cap includes a body portion positioned at least partially over the yoke portion of its associated stator segment. At least one of the body portions includes at least a first post that cooperates with a post of an adjacent end cap to define a first wire management tie-down. The stator assembly further includes a stator wire coupled to the first wire management tie-down. Stator assemblies and end caps having other wire management and routing features are also disclosed. | 12-01-2011 |
20110291520 | ALIGNMENT OF SEGMENTED STATORS FOR ELECTRIC MACHINES - A stator segment for a segmented stator of an electric machine includes insulative material configured for overlapping with insulative material of an adjacent stator segment to provide continuous insulation along a joint between the adjacent stator segments. Additionally, or alternatively, the stator segment can include one or more alignment tabs configured to engage a surface of an adjacent stator segment to inhibit relative axial movement between adjacent stator segments. | 12-01-2011 |
20120001514 | STATOR BAR - A high voltage stator bar includes a substantially quadrangular conductive element made of a plurality of interwoven strands, and an electric insulation applied around the conductive element. The permittivity at the corners of the electric insulation decreases by less than 60% from an inner insulation zone facing the conductive element towards an outer insulation zone. | 01-05-2012 |
20120019092 | COMPRESSOR - A compressor includes a casing and a motor disposed inside the casing. The motor is welded to the casing at a plurality of weld positions. The motor includes a core, a coil, at least one insulating member and a gap. The core has an annular back yoke portion, a plurality of tooth portions projecting radially inwardly from the back yoke portion and a slot formed between the tooth portions adjacent to each other. The coil is disposed in the slot. The insulating member is disposed in the slot to insulate the coil from the core. The gap is provided between the back yoke portion and the insulating member. | 01-26-2012 |
20120025661 | OUTER-ROTOR SALIENT-POLE CONCENTRATED WINDING MOTOR - An outer-rotor salient-pole concentrated winding motor includes a salient-pole concentrated winding stator and a rotor. The salient-pole concentrated winding stator includes stator core, coils and insulators. The stator core has a plurality of teeth that extend outward in a radial direction of the stator. Each of the insulators includes a projecting engaging portion and a recessed engaging portion. The projecting engaging portion projects outward in the circumferential direction. The recessed engaging portion is formed so that an outer separation wall of the insulator is recessed inward in the circumferential direction. The projecting engaging portion and the recessed engaging portion of adjacent insulators engage with each other when the teeth are inserted into the insulators. | 02-02-2012 |
20120025662 | OUTER ROTOR MOTOR - An outer rotor motor includes a stator and a rotor. The stator includes a stator core having a plurality of teeth, coils and insulators retaining the coils. The insulators are connected to each other in an annular configuration such that the teeth are inserted into the insulators. Each of the insulators includes a body portion and an outer peripheral flange. Each of the insulators further includes an auxiliary tooth portion on at least one of two axial ridge portions. The axial ridge portions include bonding portions between the body portion and the outer peripheral flange. The auxiliary tooth portion includes a rotor-facing surface facing the rotor and a tooth-contacting surface contacting one of the side surfaces in the circumferential direction. | 02-02-2012 |
20120025663 | ROTATING ELECTRIC MACHINE - A rotating electric machine includes a rotor, a stator and a load side bracket. The rotor has an outer rotor surface around a rotational axis. The stator is provided to surround the outer rotor surface. The stator includes a stator core and a stator coil. The stator core has teeth. Each of the teeth is inserted in the stator coil. The stator coil includes a coil end which is provided on a load side of the stator. The stator coil has an inner coil surface facing the teeth, an outer coil surface which is a reverse side of the inner coil surface. One end and another end of the wire are formed on the outer coil surface. The load side bracket has a groove in which the coil end is provided. | 02-02-2012 |
20120038239 | DRY MICA TAPE AND INSULATION COILS MANUFACTURED THEREWITH - A dry mica tape includes a base material, a binder resin layer A formed on the base material and including an epoxy resin and an accelerator, a mica paper layer formed in contact with the binder resin layer A, and a binder resin layer B formed in contact with the mica paper layer, including an epoxy resin, and providing a cured resin with a higher glass transition point than that of a cured resin of an impregnating varnish only by reacting with an impregnating varnish including an epoxy resin impregnated into the dry mica tape wound around a conductor. | 02-16-2012 |
20120080976 | STATOR FOR ELECTRICAL ROTATING MACHINE - Included are a pair of insulators arranged on axial end surfaces of a split core, and an insulating film attached to lateral side surfaces of the tooth part, for insulating the split core from a coil wound around the tooth part. Each insulator includes projections projecting further than a tooth front end part in the circumferential direction, slits which are formed in the respective projections to a corresponding axial end surface side of the tooth front end part and into which the insulating film is inserted, and ribs formed, on an end surface side in the circumferential direction, in the respective projections. The insulating film inserted into the slits is folded back to a back yoke part side with the ribs interposed therein, and fixed by being interposed between the ribs at tip portions of projections of adjacent insulators. Accordingly, the insulating film can be assuredly fixed and prevented from escaping from a slot. | 04-05-2012 |
20120086299 | INSULATION STRUCTURE FOR WINDING OF MOTOR STATOR - The present invention provides an improved insulation structure for winding of motor stator, which is an improved design of structure for providing effective insulation for stator winding and improving winding volume. A stator piece that is arranged inside a motor body forms arrayed holes for wire winding. The holes receive insulation plates that are configured to correspond to the shape of the holes to be fit therein. Opposite ends of the stator piece receive end rings to fix and assemble thereto. End tabs formed at edges of the insulation plates are arranged to fit into and cover edge surface of a winding slot of each of the holes to realize complete coverage of the insulation for stator winding thereby ensuing operation safety when the motor is activated and put into operation. | 04-12-2012 |
20120086300 | Divided Core of EPS Motor Stator - Disclosed is a divided core of an EPS motor stator that is easy in assembly and disassembly of divided cores and that can accurately maintain concentricity of the divided cores when the divided cores are assembled, wherein the divided core including a yoke forming a periphery of the stator core and a tooth protruded from the yoke to an inner circumferential direction, further includes an upper lug circumferentially protruded on an upper side of a distal end of the yoke, and a lower lug circumferentially protruded on a lower side of the other distal end of the yoke. | 04-12-2012 |
20120098380 | End Caps for Stator Segments of Segmented Stator Assemblies - An example end cap of a stator segment is provided for use in locating wires in a segmented stator assembly in desired positions. The end cap generally includes a body and an inboard wall. An identifier is defined by the inboard wall of the end cap for use in determining wire sizes to be used with the end cap. Terminal pockets are provided in the body for receiving the wires and making desired electrical connections, and steps located in the terminal pockets help secure the connectors in the terminal pockets. Plateaus, and troughs defined in the plateaus, are located outside the terminal pockets for use in trimming wires received in the terminal pockets as desired. And, retaining structures are located around the end cap to help with locating the wires in the desired positions. | 04-26-2012 |
20120098381 | STATOR, BRUSHLESS MOTOR, AND MANUFACTURING METHOD OF THE SAME - An inner rotor type brushless motor includes a stator. The stator is made of a plurality of stator sections. Each one of the stator sections has a plurality of core members, an insulator, and a winding wound on the core members via the insulator. The core member includes a yoke portion and a tooth portion. The insulator includes a ring portion to connect the core members. Since each stator section can provide sufficient distance and space between two core members on the same stator section, it is easy to wind the winding on the tooth portions. The stator sections can be assembled along an axial direction to form the stator. The yoke portions are circumferentially arranged to connect each other to form a magnetic path. | 04-26-2012 |
20120153767 | MOUNTING STRUCTURE FOR SLOT PAPER IN A MOTOR STATOR - A mounting structure for slot paper in a motor stator. The slot paper is embedded in stator slots and includes a paper bottom, a paper side, and a paper front. A lug boss is protruded between two adjacent tooth block segments and protrudes from the inner wall of an outer ring. Two ends of the slot paper extend out of each stator slot. Two ends of the paper bottom are locked between the lug bosses respectively arranged on the upper end insulator and the lower end insulator. One end of each tooth block segment is provided with a clip slot and the paper front near the opening is embedded therein. The structure is simple, has a precise slot paper positioning function, does not occupy space of the stator slot, maximizes the slot filling ratio of the slots, and thus improves the overall performance of the motor. | 06-21-2012 |
20120161570 | ELECTRIC MOTOR STRUCTURE TO MINIMIZE ELECTRO-MAGNETIC INTERFERENCE - An electric motor is configured with a stator core assembly that includes a stator core having a plurality of winding slots. A plurality of stator windings pass through the plurality of winding slots that include slot liners configured to provide electrostatic shields surrounding the plurality of stator windings. The electrostatic shields are referenced to an electrical location to reduce common mode currents associated with the electric motor | 06-28-2012 |
20120161571 | MOTOR - A motor includes a rotor, a stator, an insulating member and a coil. The insulating member made of insulating films is inserted in a slot formed through a stator core of the stator. Cuff portions are formed in the coil-side insulating film by bending both ends thereof. An opening is formed in the coil-side insulating film at a region located at an intersection between a first bend line along which the coil-side insulating film is bent into a curved shape so as to fit the slot and a second bend line along which the coil-side insulating film is bent for forming the cuff portion. The stator core-side insulating film is laid on the coil-side insulating film such that the cuff portion overlaps a surface of the stator core-side insulating film on the stator core side and the stator core-side insulating film covers at least a part of the opening. | 06-28-2012 |
20120169173 | STATOR FOR MOTOR - The present invention relates to a stator for a motor including: a stator core having an annular back yoke and a plurality of teeth; an upper insulator having an annular body portion formed correspondingly to the back yoke of the stator core and a plurality of teeth insulation portions formed correspondingly to the teeth of the stator core so as to cover the upper sides of the teeth of the stator core; a lower insulator having an annular body portion formed correspondingly to the back yoke of the stator core and a plurality of teeth insulation portions formed correspondingly to the teeth of the stator core so as to cover the upper sides of the teeth of the stator core; a plurality of insulation films each adapted to be inserted into the slot to cover the side of the stator core exposed to the inside of the slot between the upper insulator and the lower insulator; and coils adapted to be wound on the teeth of the stator core enclosed by the upper insulator, the lower insulator and the insulation films. | 07-05-2012 |
20120175992 | STATOR FOR COMPRESSOR MOTOR - A stator for a compressor motor that has a structure in which the ends of insulation films inserted into slots of a stator core are supportedly locked to locking protrusions formed on upper and lower insulators for insulating the upper and lower sides of the stator core, thereby allowing the insulation films to be securely supported and providing easy assembling process for the insulation film and the upper and lower insulators. | 07-12-2012 |
20120175993 | WINDING FRAME WITH MAGMATE AND STATOR CORE WITH THE SAME - 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. | 07-12-2012 |
20120187797 | STATOR ASSEMBLY HAVING A PHASE-TO-PHASE INSULATOR, AND A METHOD OF ASSEMBLYING A STATOR ASSEMBLY - An insulator assembly for a stator assembly of an electric machine includes an annular ring attached to a stator core, and a plurality of coil separators supported by the annular ring and extending from the annular ring axially along a longitudinal axis. One of the coil separators is disposed between each adjacent pair of the coils to prevent contact between adjacent coils having a different electrical phase. The coil separators are slideably inserted between the adjacent pairs of coils, with the annular ring positioning and supporting the coil separators. | 07-26-2012 |
20120194028 | INSULATION ASSEMBLY FOR ELECTRIC MACHINE - An insulation assembly is provided that includes a generally annularly-shaped main body and at least two spaced-apart fingers extending radially inwards from the main body. The spaced-apart fingers define a gap between the fingers. A slot liner may be inserted within the gap. The main body may include a plurality of circumferentially distributed segments. Each one of the plurality of segments may be operatively connected to another of the plurality of segments to form the continuous main body. The slot liner may be formed as a single extruded piece defining a plurality of cavities. A plurality of conductors (extendable from the stator assembly) may be axially inserted within a respective one of the plurality of cavities. The insulation assembly electrically isolates the conductors in the electric motor from the stator stack and from other conductors. | 08-02-2012 |
20120235534 | CONDUCTOR INSULATION ARRANGEMENT FOR ELECTRIC MACHINE WINDING - An electric machine includes a core with a plurality of slots. A plurality of conductors are positioned in each of the plurality slots, with each slot including an equal number of conductors. At least one slot liner is also positioned in each of the plurality of slots. Each slot liner provides at least one slot liner channel in the associated slot, and each of the plurality of conductors extend through one of the slot liner channels. Differing numbers of slot liner channels are provided in the plurality of slots. Accordingly, all slots have the same number of conductors positioned therein, but all slots do not have the same number of slot liner channels. | 09-20-2012 |
20120248926 | Apparatus And Method For Making Pre-Shaped Insulating Sheets Intended To Be Inserted Into Stator Or Rotor Slots - Apparatus ( | 10-04-2012 |
20120256511 | STATOR - A stator includes a stator core that has at least one tooth which extends radially inward from the stator core and has a shape of a quadrangular prismoid, an insulator that is made of a resin, and a coil that is formed by winding a rectangular wire around the tooth via the insulator. The insulator has a thickness which varies depending on a relative positional relationship between the rectangular wire and the tooth, or the coil is formed in a staircase configuration to conform to the quadrangular prismoid shape of the tooth and the insulator has a varying thickness to conform to the staircase configuration. | 10-11-2012 |
20120256512 | STATOR STRUCTURE FOR ROTARY ELECTRIC MACHINE AND METHOD FOR ASSEMBLING STATOR - A stator structure for a rotary electric machine includes a stator core having a cylindrical shape in which slots and pole pieces are formed on an inner peripheral side and alternately arranged in a circumferential direction, a conductor segment which is a conducting wire having a rectangular cross section inserted in one of the slots through an insulator being connected with a conductor segment similarly inserted in another slot to form a coil. Each insulator has a shape including a pair of opposite side surface portions connected with an intermediate portion along a wall surface defining the slot. Each insulator includes end protrusions facing each other at free ends of the side surface portions to position the conductor segments. The insulators are made of an insulating and elastic material. | 10-11-2012 |
20120286619 | ROTARY ELECTRIC MACHINE AND METHOD FOR MANUFACTURING STATOR USED THEREIN - The rotary electric machine includes a rotor, and a stator including an stator core that is formed by laminating and integrating magnetic steel plates, and concentrated winding coils that are mounted to respective teeth, the stator being disposed so as to surround the rotor. Bobbins each including a trunk portion and first and second guide portions that are disposed so as to protrude from two longitudinal ends of an upper surface of the trunk portion are disposed so as to place bottom surfaces of the trunk portions alongside two axial end surfaces of the teeth. The concentrated winding coils are configured by winding a conductor wire a predetermined number of times around the teeth so as to pass through a concave space that is formed by the trunk portions and the first and second guide portions at two axial ends of the teeth. | 11-15-2012 |
20120286620 | COMPOSITE INSULATING FILM - Provided is a flexible and self-supporting insulating film including a base polymer layer and a partially cured poly(amide)imide layer applied to the base polymer layer. The composite insulating film may be used as slot liner to provide insulation to the components of the electric motor. The partially cured poly(amide)imide layer of the composite insulation film maybe further cured by the heat generated by the operation of the electric motor. | 11-15-2012 |
20120299432 | MOTOR CORE, STATOR, AND METHOD FOR MANUFACTURING STATOR - An annular motor core has a plurality of split core pieces, each of which includes a yoke portion and a tooth. The split core pieces are circumferentially located and arranged in an annular shape such that the yoke portions of the core pieces form an annular shape as a whole and that the distal ends of the teeth of the core pieces face inward or outward each in a radial direction of the core. The core further includes an annular holder, which has joint portions at a plurality of positions in a circumferential direction of the holder. A first end of each of the core pieces is pivotably joined to the corresponding one of the joint portions. Each core piece can be pivoted about the corresponding joint portion relative to the holder such that a second end of the core piece moves in a radial direction of the holder. | 11-29-2012 |
20130009512 | ELECTROMAGNET FOR STATOR AND MANUFACTURING METHOD OF ELECTROMAGNET FOR STATOR - A stator is provided with a tooth, an insulator attached to the tooth, and a coil wound around the insulator. The insulator is provided with a winding barrel around which the coil is wound in a plurality of layers, a flange projecting in a radial direction from one end of the winding barrel, and a notch formed in the flange and through which the line material of the coil is inserted. Projecting lengths of the flange from the winding barrel on the both sides of the notch are set different from each other. When the line material of the coil is guided from the outside of the flange to the winding barrel through the notch for winding the coil on the winding barrel, by supporting and bending the line material at a portion having a longer projecting length of the flange, the line material passes the notch easily. | 01-10-2013 |
20130020901 | STATOR FOR ELECTRIC ROTARY MACHINE - A stator for an electric rotary machine includes: a stator core having a plurality of slots; and segmented coils of a plurality of phases, wherein: the segmented coils of a plurality of phases have pluralities of coil bars which are inserted individually in the plurality of slots in the stator core and which extend substantially in a straight line and pluralities of connection coils which connect together the coil bars of the same phase to thereby make up extending portions; and the coil bars are fixed in place individually in the slots in the stator core in such a state that the coil bars each are covered by an insulation material. | 01-24-2013 |
20130033145 | ELECTRIC MACHINE MODULE INSULATION SYSTEM AND METHOD - Embodiments of the invention provide an electric machine module including a housing which can include a machine cavity. In some embodiments, an electric machine can be at least partially positioned within the machine cavity and can include a stator assembly. The stator assembly includes a stator core with slots. In some embodiments, conductors can be positioned in the slots and can include a first insulation. At least one insulation member can be disposed over at least a portion of the conductors. The insulation member can include a first element and a second element that can each comprise different constituent materials that include different properties. | 02-07-2013 |
20130049519 | METHOD AND APPARATUS FOR INSULATING INDUCTION MACHINE COIL CONNECTORS - Method and apparatus for insulating induction machine conductive connectors by sliding a closed-end insulating sheath over the connector. The sheath is circumferentially secured to the conductive connector with a biasing element, such as an elastomeric stretchable fabric, stretch tape or heat shrink material. Additional insulative materials as well as resin curing catalysts or accelerants may be added to the sheath. | 02-28-2013 |
20130049520 | STATOR STRUCTURE AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to an integral or a non-integral stator structure for reducing the manufacturing complexity by eliminating the boot part of the tooth part thereof. The stator structure is made of a core material, and includes: a plurality of stator units, each having a tooth part and an annular part, in which different stator units can be connected with each other integrally or non-integrally, so as to form an annular stator structure. The tooth part of each stator unit is formed in a pillar shape that has a first end and a second end, and the first end is connected to the annular part. | 02-28-2013 |
20130062988 | VEHICULAR BRUSHLESS AC GENERATOR AND EXCITING-COIL BOBBIN UNIT THEREFOR - The vehicular brushless AC generator comprises: a bobbin disposed surrounding the axial end face of the thick ring portion of the yoke and the outer circumferential surface of the cylindrical portion so that an exciting coil can be wound thereon; a plate extending radially outwardly from an end of the cylindrical portion, for joining the bobbin to the yoke; and a stator disposed outside the rotor retaining an air gap, in which magnetic flux produced by the exciting coil propagates; wherein the bobbin is provided with a thick portion for extending a creeping distance, formed along the outer circumferential edge of the bobbin joined to the yoke. | 03-14-2013 |
20130069478 | ELECTRICAL MACHINE WITH WINDING CONDUCTOR HAVING CERAMIC INSULATION - An electrical machine is described that has a ceramic material as insulation around the winding wire. In some embodiments, the ceramic material is hexagonal boron nitride (HVR), aluminum oxide, aluminum nitride, or beryllium oxide. The ceramic material may be rolled, brush, sprayed, or dipped onto the wire using a binder-less or binder-containing solution. The whole wire may be coated, or just parts that are particularly subject to abrasion of the conductor and/or electrical contact with other conductive materials. | 03-21-2013 |
20130134821 | Insulation Bobbin of a Stator - An insulation bobbin unit of a stator includes first and second insulation bobbins. The first insulation bobbin has a first body and a plurality of first extension members. The first body has a first assembly hole. Each extension member has a first wound portion having a first top plate and one first side wall. The first top plate has a smaller thickness than that of the first side wall. The second insulation bobbin has a second body and a plurality of second extension members. Each second extension member includes a second wound portion having a second top plate and one second side wall. The first side wall is aligned with one edge of the second top plate that is not mounted with the second side wall, and the second side wall is aligned with one edge of the first top plate that is not mounted with the first side wall. | 05-30-2013 |
20130140935 | Slot Liner and Interphase Insulator Combination - Electrically insulating material so foldable as to form a slot liner and an interphase insulator combination so configured as to be inserted in the slots of the stator or the rotor of an electric machine to prevent coils from being in contact with the slot walls and to prevent separate coils inserted in the same slot to be in direct contact with one another is described herein. | 06-06-2013 |
20130140936 | MOTOR STATOR - A motor stator includes a body member having multiple wire-winding grooves that is formed of a stack of silicon steel plates and defines axially a middle section and two end sections, the wire-dinging grooves in the end sections being greater than in the middle section, two wire racks each having foot tubes respectively inserted into the end sections of the body member in the wire-winding grooves beyond the middle section, the foot tubes having an inner diameter not less than the part of the wire-winding grooves corresponding to the middle section, and insulation sheets having a length greater than the height of the middle section of the body member and being respectively set in the wire-winding grooves and the corresponding foot tubes. | 06-06-2013 |
20130147306 | Spacer For Supporting Conductors In An Electric Machine - A spacer for supporting conductors in a stator assembly of an electric machine includes a plurality of positioning elements cooperating with various conductors in the specials region of the winding arrangement. The spacer illustratively includes an insulating body formed of an electrically non-conductive material and including surfaces facing axially inwardly for contacting short conductors and crossover pockets for receiving crossover conductors which electrically connect an inner winding set and an outer winding set. The spacer further illustratively includes phase lead pockets facing axially outwardly for receiving a terminal phase lead conductor. | 06-13-2013 |
20130147307 | Dry Mica Tape, Electrically insulated Coil Using the Same, and Electrical Rotating Machine Using the Same - The purpose of the present invention is to provide a dry mica tape, and an electrically insulated coil using the same, and a electrical rotating machine using the same, with reduced amount of VOC (Volatile Organic Compound) generated during manufacturing thereof, while both of excellent impregnation property and excellent heat resistance are achieved. The dry mica tape, and the electrically insulated coil using the same, and the electrical rotating machine using the same, the dry mica tape including mica, a substrate, an adhesive which glues the mica and the substrate together, in which the adhesive includes unsaturated polyester compound which has a reactive double bond. | 06-13-2013 |
20130154432 | Stator Of An Electric Machine With Voltage Insulation - A stator of a rotating electric machine includes a circular stator lamination stack having stator teeth projecting radially therefrom and distributed over the circumference and axial slots formed between the teeth. The stator carries a winding of an insulated conductor which is designed for the application of a maximum electric voltage in the low-voltage range up to about 1 kV. The winding is constructed as concentric winding in the form of individual tooth coils, and voltage insulating material is provided inside the slots between the teeth and the winding. To reduce the electric field strength in manufacture-induced voids of the varnish-impregnated or resin-impregnated stator, the voltage insulating material comprises an areally shaped layer of a high-resistance conductive material. | 06-20-2013 |
20130154433 | STATOR AND PROTECTING MEMBER FOR STATOR - There is provided a stator that can suppress degradation in insulating performance and electrical strength performance, shorten a work time, and improve winding efficiency and heat radiation. The stator | 06-20-2013 |
20130162098 | BRUSHLESS MOTOR - A motor part of a fuel pump is a brushless motor having a stator and a rotor. The stator has a core, a coil set and an insulator, which holds the core and the coil set in an insulated manner. The coil set has a plurality of coils wound about a tooth part and a plurality of crossing wires connecting the coils. The insulator is formed by stacking central ring parts of a plurality of stator units in an axial direction. At least one of crossing wire holder parts is formed of a combination of guide projections, which are formed on the different central ring parts. The length of the brushless motor in the axial direction can thus be shortened. | 06-27-2013 |
20130187513 | STATOR AND METHOD FOR MANUFACTURING THE SAME - A core segment sub-assembly has a first holding groove, which holds a start part of a coil wire of a three-phase winding, and a second holding groove, which holds an end part of the coil wire of the three-phase winding, at positions on an axial end surface of an annular covering part and shifted in a circumferential direction relative to a tooth covering part, on which the winding is provided. The first holding groove and the second holding groove sandwiches the tooth covering part and are separated more from each other as extending in a radially outward direction. The positions and the directions of the first holding groove and the second holding grooves are matched to the paths of the coil wire wound by a flyer type winding machine. The stator can thus be made suited to a winding process by the flyer type winding machine. | 07-25-2013 |
20130193800 | ARMATURE AND MOTOR - An insulator of an armature includes an upper resin member and a lower resin member. Each of the upper and lower resin members includes decreased thickness portions. Axial positions of the decreased thickness portions of the upper and lower resin members are arranged to overlap at least partially with each other. Each of the upper and lower resin members further includes a rib arranged to project from a corresponding one of the decreased thickness portions. The rib improves the strength of the corresponding decreased thickness portion and reduces the likelihood that any of the decreased thickness portions of the upper and lower resin members will be damaged when the two members are fitted to each other. | 08-01-2013 |
20130207506 | INSULATED STRUCTURE OF SHIELD TYPE MOTOR COIL - An insulated structure of shield type motor coil includes an iron core having a multiplicity of bobbins, at least a plastic shell having a multiplicity of insulators and is pressed against the iron core, a multiplicity of enamel-covered coils and each of the insulators is one-to-one correspondent to and pressed against the bobbin, a multiplicity of enamel-covered coils each of them is correspondent to and wound around the bobbin and the multiplicity of enamel-covered coils has a first connecting lead and a second connecting lead extended there from, a wire fastener secured in the plastic shell for holding the first connecting lead and the second connecting lead, a protecting jacket connected to the plastic shell and having a containing space for containing the multiplicity of enamel-covered coils, as well as a supporting frame for coating the protecting jacket and having a multiplicity of supporting posts thereof. | 08-15-2013 |
20130270959 | INSULATION MEMBER FOR USE WITH A STATOR ASSEMBLY AND METHOD OF ASSEMBLING THE STATOR ASSEMBLY - An insulation member for use with a stator assembly is provided. The insulation member includes a body and a cuff. The body includes a first end and an opposite second end, at least one tooth portion, and at least one yoke portion that extends from the at least one tooth portion. The cuff is formed from at least one of the first end and the second end of the body and extends along at least one of the at least one tooth portion and at least one yoke portion. | 10-17-2013 |
20130307368 | INTER-PHASE INSULATION SHEET FOR ROTATING ELECTRIC MACHINE - The purpose of the present invention is to provide an inter-phase insulation sheet for a rotating electric machine, wherein it is possible to produce the effects of exerting excellent insertion workability between coil ends of different phases, of preventing the positional misalignment of the inter-phase insulation sheet during production work when forming the coils or when lacing, of preventing the inter-phase insulation sheet from tearing when lacing, and of being able to reliably ensure that the coil ends are insulated from one another even when the shape of the coil ends are not the same. In order to achieve the aforementioned purpose, an inter-phase insulation sheet ( | 11-21-2013 |
20140035428 | Stator of rotary electric machine, and manufacturing method therefor - A stator of a rotary electric machine, in which an insulating capacity higher than or equal to an insulating capacity of a flat portion of a stator core can be maintained at edge portions of the stator core. The stator of the rotary electric machine includes a core-sheet laminate that is formed by laminating a plurality of core sheets made of metal plates; a coating film that is made of an insulating paint coated on a surface of the core-sheet laminate; a stator coil that is made of a conductive wire wound around the core-sheet laminate via the coating film; and bobbins made of an insulating material, which are inserted between the coating film and the stator coil and prevent the conductive wire of the stator coil from contacting the coating film that is coated on edge portions of the core-sheet laminate, or relieve pressure caused by the contact. | 02-06-2014 |
20140062248 | ELECTRIC ROTATING MACHINE - The electric rotating machine has the structure in which, for each one of the slots formed in its stator core, each of the innermost and outermost electrical conductors housed in the slot includes a R-chamfered portion formed in a bent portion thereof projecting outside from the slot and bent along a circumferential direction of the stator core. The R-chamfered portion is located at a radially inner or outer corner of the bent portion at which a side surface of the bent portion on the side being circumferentially bent intersects with a side surface of the bent portion on the radially inner or outer side. The R-chamfered portion is formed of a curved surface having a curvature radius larger than a curvature radius of the other three corners of the bent portion. | 03-06-2014 |
20140062249 | BRUSHLESS MOTOR, STATOR, STATOR MANUFACTURING METHOD AND BRUSHLESS MOTOR MANUFACTURING METHOD - A brushless motor comprising: a rotor; a stator core disposed at a radial direction outside of the rotor, and a stator case. The stator core includes an outer ring shaped section, teeth sections projecting out from the outer ring shaped section toward a radial direction inside, and an inner ring shaped section extending from end portions of the teeth sections. Protruding portions are formed at the outer ring shaped section so as to project toward a radial direction outside and so as to be disposed at even intervals around a circumferential direction of the outer ring shaped section. The stator case is integrated together with the stator core by a plurality of plastic deformation portions formed at an outer peripheral portion of the stator case at locations facing towards the protruding portions, and the plastic deformation portions are disposed at even intervals along a circumferential direction of the stator case. | 03-06-2014 |
20140062250 | ROTARY ELECTRIC MACHINE - A rotating electric machine includes a rotor, and a stator that has a stator core and a stator winding. The stator core has a plurality of slots. The stator winding is wound around the stator core as a plurality of electrical conductors is aligned in the radial direction in the slots. The stator has an insulating sheet member that is bent in a rectangular cylindrical shape, and is intervened between the electrical conductor and an inner wall surface of the slot. A length of a bend line formed extending in the axial direction on the insulating sheet member from a reference position in a central section of the insulating sheet member in the axial direction to a tip in the axial direction is configured shorter than a length from the reference position to an end in the axial direction of the sheet member. | 03-06-2014 |
20140070657 | MOTOR AND WASHING MACHINE HAVING THE SAME - A washing machine with a motor having a structure with improved performance. The washing machine includes a body, a tub disposed in the body, a drum rotatably disposed in the tub, and a motor including a stator coupled to a rear surface of the tub and a rotor rotatably disposed inside the stator. The stator includes a stator core including a core body and a plurality of core teeth extending inward from an inner circumferential surface of the core body in a radial direction of the core body, a first insulator and a second insulator covering both ends of the core body and the core teeth, a coil wound around the core teeth, and a plurality of insulation films disposed between the first insulator and the second insulator to electrically insulate the stator core and the coil. | 03-13-2014 |
20140084740 | SLOT LINER FOR ELECTRO-DYNAMIC MACHINE - A slot liner is configured for association with a tooth of an electro-dynamic machine core having an annular rim and circumferentially spaced teeth radially extending from the annular rim. The slot liner includes sidewalls configured to line circumferential surfaces of the tooth, first and second tabs formed by bends in the sidewalls, the first tab being configured to line a portion of the annular rim adjacent to the tooth and the second tab being configured to overlap with a tab of an adjacent slot liner and a retainer configured to retain the sidewalls against a radially inward portion of the tooth. | 03-27-2014 |
20140111058 | APPARATUS AND METHOD FOR ELECTRICALLY INSULATING END TURNS OF A STATOR ASSEMBLY - An apparatus and method for providing electrical insulation between adjacent end turns at different phases within a stator assembly. In one embodiment, the invention is directed to a stator assembly comprising: a stator core; at least two coils of different phases wound on the stator core through the slots and having an end turn that extends from the stator core; and one or more rigid separator members positioned between adjacent end turns of the coils. | 04-24-2014 |
20140117805 | Rotating Machine and Insulator and Slot Liner for Rotating Machine - A rotating machine includes a stator including a stator core having a plurality of slots arrayed in the circumferential direction, a plurality of conductors for stator winding wire inserted respectively into the slots, and slot liners comprising a sheet-shaped insulator surrounding the conductors for stator winding wire; and a rotor rotatably arranged concentrically with the stator. In the rotating machine the slots of which are filled with an electrically insulative resin, concavo-convex is formed on both the top and bottom surfaces of the slot liners. | 05-01-2014 |
20140145545 | WIRE GUIDE FOR USE IN AN ELECTRIC MACHINE - A wire assembly for use in an electric machine is provided. The assembly includes a member and a wire. The wire conducts electrical current. At least a portion of the wire is adapted to be wrapped at least partially around the member. The member defines a periphery of the member. At least a portion of the periphery of the member is conformable when the wire is wrapped at least partially around the member. | 05-29-2014 |
20140145546 | ELECTRICAL CONDUCTORS AND RELATED DEVICES - A method of spacing a plurality of electrical conductors for carrying electrical current in an electrical machine may include positioning between the electrical conductors an uncured spacer body. The uncured spacer body may include a curable material, and an activatable heat generating material mixed with the curable material. The method may further include activating the activatable heat generating material to heat the curable material to form a cured spacer to thereby space the electrical conductors in the electrical machine. | 05-29-2014 |
20140159538 | COIL WIRE FOR ROTATING ELECTRICAL MACHINE AND COIL BODY - A coil wire for a rotating electrical machine forms a coil body wound on teeth of a stator for the rotating electrical machine and includes an element wire assembly and a covering member. The element wire assembly has a plurality of element wires coated with insulation and bound together. The covering member is an electrical conductive member covering around the element wire assembly and provided with a conductive side surface and a slit. The conductive side surface is a surface with which magnetic flux from the teeth is linked when the coil wire is wound on the teeth. The slit is provided on the conductive side surface along a longitudinal direction of the coil wire, and the slit extends from an inner peripheral side to an outer peripheral side of the coil body in an coil end of the coil body. | 06-12-2014 |
20140159539 | ROTATING ELECTRICAL MACHINE FOR VEHICLE - A rotating electrical machine including a stator core formed by layering electromagnetic steel sheets, a first insulator and a second insulator facing with each other and fitted to the stator from an axial direction of the stator core, and a coil winding formed by resin molding and wound around the first and the second insulators. The first insulator includes a first end portion and a first side wall portion and the second insulator includes a second end portion and a second side wall portion. A gap is formed between the first and the second side wall portions and is positioned at a first end portion side or a second end portion side from a middle position of the length of the stator core in the axial direction and is positioned at a portion of the coil winding where a curvature thereat is larger than that at the middle position. | 06-12-2014 |
20140175936 | PHASE SEPARATOR INSULATOR FOR ELECTRIC MACHINE STATOR - An insulating phase separator is used in an electric machine to separate phase windings in a stator assembly. The insulating phase separator includes first and second endturn portions and first and second leg portions. The first and second endturn portions each have a curved outer surface and a tabbed portion located opposite the curved outer surface. The first and second leg portions extend between the first and second endturn portions and are integral with the first and second endturn portions. | 06-26-2014 |
20140175937 | PHASE SEPARATORS FOR ELECTRICAL MACHINES - A phase separator for an electrical machine includes a first end portion, a second end portion, and a midsection. The midsection connects the first end portion to the second end portion such that the first end portion opposes the second end portion. The midsection is configured for fixing the phase separator in the electrical machine for separating the adjacent phase windings from one another. The first and second end portions are for separating end turns of adjacent phase windings of an electrical machine. | 06-26-2014 |
20140184014 | STATOR BOBBIN FOR DRIVE MOTOR - In a stator bobbin for a drive motor, a bobbin body is coupled to a stator core divided into a number of sections across an entire area of the stator, and a coil is wound on the bobbin body. The trailing portion of the coil wound on the bobbin body is fixed to a fixing slot formed at one side of the bobbin body. | 07-03-2014 |
20140210303 | BOBBIN AND ROTARY ELECTRIC MACHINE - A bobbin is adapted to be mounted to a projection of a stator core of a rotary electric machine and wound with a coil wire. The bobbin includes a back stress generating portion configured to generate a stress acting in a direction opposite to a stress generated when the coil wire is wound around the bobbin. | 07-31-2014 |
20140210304 | STATOR FOR ROTATING ELECTRICAL MACHINE - A stator includes an annular stator core, a stator winding, and an insulating sheet member. In the stator core, slots are circumferentially arrayed. The stator winding includes conductor segments having oblique portions formed by open end portions being circumferentially twisted. The open end portions are inserted into the slots from one of two axial-direction sides and extend towards another one. The insulating sheet member is interposed between an inner wall surface of the slot and the conductor segment. The insulating sheet member is rolled into a cylindrical shape along the inner wall surface of the slot, and includes an overlapping portion and a slack portion. In the overlapping portion, two circumferential-direction end portions overlap each other. The overlapping portion is disposed on one of two radial-direction sides of each of the slots. The slack portion is disposed on another one of two radial-direction sides of each of the slots. | 07-31-2014 |
20140300241 | ELECTRICAL MACHINE MEDIUM VOLTAGE COIL INSULATION SYSTEMS AND METHODS - An insulation system and method are disclosed for insulating formed coils of electrical machines, such as motors and generators. The system and methods additionally apply to refurbishing of the formed coils. The system includes strand/turn insulation that may include one or more layers of different materials, depending upon the dielectric requirements. A ground wall insulation is applied over the group of turns. The coil may be sized in a slot cell section. Additional insulation layers are provided, including an armor layer. The various insulation layers may each be applied in one continuous wrap. The resulting system is highly adaptable to different machine designs and ratings, and affords superior resistance to degradation. | 10-09-2014 |
20140306571 | POLE SEPARATOR INSERT FOR ELECTRIC MACHINE STATOR - A pole separator insert is employed in a stator assembly of an electric machine to separate winding coils installed within circumferentially distributed slots of a stator core. The pole separator insert comprises first and second insulating tabs connected by first and second legs. The first and second insulating tabs are disposed between adjacent winding coils of a single phase, at opposite ends of the stator core. The first and second legs are disposed through adjacent circumferentially distributed slots of the stator core. | 10-16-2014 |
20140319959 | INSULATION SYSTEM FOR AN ELECTRIC MACHINE - A bar wound stator includes a stator core defining a plurality of slots. Bar-type conductors are disposed within each slot. Each slot includes a slot liner and an insulator cap. Each slot liner includes an end portion disposed against an inner wall surface, and side portions disposed against a first wall surface and a second wall surface respectively. Each insulator cap includes a base portion disposed against an outer wall surface, and side portions disposed against the first wall surface and the second wall surface respectively. The side portions of the insulator cap in each slot overlap the side portions of the slot liner in each slot along the first wall surface and the second wall surface respectively. Each slot includes a recessed feature in each of the first wall surface and the second wall surface to accommodate the overlapping side portions of the insulator cap and the slot liner. | 10-30-2014 |
20140327336 | WINDING CARRIER FOR USE IN AN ELECTRICAL MACHINE AND WINDING ARRANGEMENT - The invention relates to a winding carrier ( | 11-06-2014 |
20150008783 | MOTOR - A motor includes a shaft, a rotor magnet, an armature, an upper bracket, a lower bracket, and a fixing member. An insulator includes magnetic pole tooth insulating portions, each of which covers a separate one of magnetic pole teeth, and a core back insulating portion configured to cover at least portions of upper and lower end surfaces of a core back. A stator core includes a fixing member arranging portion. The core back insulating portion includes a core back insulating projecting portion configured to project in an axial direction away from a surface covering the core back, and including a radially inner surface located radially inward of a radially inner end of the fixing member arranging portion. The core back insulating projecting portion includes a cut portion at a position radially opposed to the fixing member. | 01-08-2015 |
20150008784 | MOTOR - A motor includes an armature arranged radially outside a rotor magnet, and a casing configured to fix the armature and hold upper and lower bearings configured to rotatably support a shaft at a radial center thereof. The armature includes a stator core, an insulator arranged to cover the stator core, coils each of which is defined by a conducting wire wound around a separate one of magnetic pole teeth with the insulator intervening therebetween, and passage lines each of which is arranged circumferentially between adjacent ones of the magnetic pole teeth to electrically connect one of the coils and another one of the coils with each other. The insulator includes magnetic pole tooth insulating portions arranged to cover a separate one of the magnetic pole teeth; and a core back insulating portion integral with each magnetic pole tooth insulating portion. | 01-08-2015 |
20150022050 | Electric Rotating Machine - An electric rotating machine having high cooling performance is provided. The electric rotating machine is configured to include a rotor rotating around a rotational axis; and a stator disposed to face the circumferential surface of the rotor. The stator includes a stator core having a cylindrical core back and a plurality of teeth radially extending from the core back, and a stator coil wound around the teeth in concentrated winding via an insulation material. A spacer having electric insulation performance is attached between the stator coils each wound around the respective teeth adjacent to each other. The spacer has a coefficient of linear expansion greater than that of the stator core. | 01-22-2015 |
20150028716 | INSULATION COMPONENT FOR AN ELECTRIC MACHINE AND METHOD OF ASSEMBLY - An electric machine includes a core with a plurality of teeth that extends between end faces of the core. Slots are defined in the core between adjacent teeth of the plurality of teeth. The slots each have a radial opening formed between end portions of the adjacent teeth. An insulation sheet is positioned on the core to obstruct the radial openings to the slots. The insulation has at least two spaced circumferential members that respectively overlap the end faces of the core. The insulation sheet also has a plurality of spaced axial members connected to the circumferential members. The axial members are positioned within the slots to obstruct the radial openings to the slots. | 01-29-2015 |
20150035405 | SLOT LINER FOR AN ELECTRIC MACHINE - A slot liner is provided for a stator and/or a rotor of an electric machine and includes a body configured to be received within a stator slot of the stator and/or within a rotor slot of the rotor. The body extends a length from a first end to an opposite second end and a width from a first edge to an opposite second edge. The body includes an inner segment and first and second outer segments that extend along the length of the body. The first and second outer segments flank the inner segment such that the inner segment extends between the first and second outer segments along the length of the body. The inner segment includes at least one different material than the first and second outer segments such that a thermal conductivity of the inner segment is greater than a thermal conductivity of the first and second outer segments. | 02-05-2015 |
20150035406 | ELECTRIC MACHINE WITH A SLOT LINER - An electrical machine includes a rotor, a stator having a slot liner including an electrical insulator which extends beyond the stator ends, and a strengthening element provided at each of the slot liner ends, wherein the strengthening strip reduces the splitting of the corresponding slot liner end. | 02-05-2015 |
20150035407 | WINDING INSULATION STRUCTURE OF STATOR OF ELECTROMAGNETIC MOTOR - A winding insulation structure of a stator of an electromagnetic motor is provided, in which windings are wound inside slots of a stator iron core of the electromagnetic motor formed of a stator and a rotor with an insulation member therebetween, and in which an insulation sheet insertion portion for inserting an insulation sheet is formed between the stator iron core and the insulation member on a slot opening portion side of the stator iron core. | 02-05-2015 |
20150042198 | TWO-LAYER HIGH-VOLTAGE INSULATION SYSTEM AND ELECTRICAL MACHINE - By using an electrically conductive PTFE fabric, high-voltage insulation systems are simplified and can be made thinner, also improving the thermal conductivity. The insulation material is in two layers, each with a hydrophobic and a hydrophobic region, and the hydrophobic regions of the layers are opposed. | 02-12-2015 |
20150048711 | ROTATING ELECTRICAL MACHINE - An electrical machine includes a back-yoke engagement portion including a convex portion for a back yoke portion formed on an outer-diameter surface of a pair of back yoke-side coil retaining pieces and a shoe engagement portion including a convex portion for a shoe portion. By the convex portion for the back yoke portion and the convex portion for the shoe portion, the back yoke-side coil retaining pieces and shoe-side coil retaining pieces are biased toward a stator core. | 02-19-2015 |
20150054377 | STATOR, MOTOR, BLOWER, AND STATOR MANUFACTURING METHOD - A stator includes a first teeth unit including a first insulator having an annular first crossover wire guide and a plurality of first winding units radially provided at regular intervals on an outer circumference of the first crossover wire guide to cover teeth of one phase group of an alternating current, the teeth of the one phase group having upper halves fitted to the first winding units, a third insulator that covers lower halves of the teeth, and a winding wire of one phase wound around the teeth of the one phase group, a second teeth unit having an identical configuration to that of the first teeth unit in which a winding wire of the other phase is wound in a concentrated manner, with second winding units inserted between adjacent ones of the first winding units, and an annular yoke including a plurality of recesses at regular intervals. | 02-26-2015 |
20150069878 | ELECTRIC MOTOR - An electric motor is provided with a stator core ( | 03-12-2015 |
20150091409 | ARMATURE, ARMATURE MANUFACTURING METHOD, AND ROTATING ELECTRICAL DEVICE - An armature comprising plural core configuration members; plural insulators integrated with the core configuration members and a coupling portion that couples the pair of insulation portions; and plural coil wires that each includes a pair of wound portions wound onto the respective core configuration members, and a crossing wire that connects together the pair of wound portions; wherein plural armature configuration units are configured independently by integrating a pair of the core configuration members with each of the insulators and winding the coil wire onto the pair of core configuration members; plural armature configuration sections are configured by combining two armature configuration units adjacent in the circumferential direction; and in each of the armature configuration sections, the coupling portion and the crossing wire of one armature configuration units are arranged side by side with the coupling portion and the crossing wire of the other armature configuration units along a direction orthogonal to an axial direction of the armature configuration section. | 04-02-2015 |
20150115764 | Vibration Damage Repair in Dynamoelectric Machines - Embodiments of the disclosure can include a method for reducing or repairing vibration-caused damage in a stator bar, and a dynamoelectric machine resulting therefrom. The method for reducing vibration-caused damage in a stator can include applying, from within a ventilation slot of a stator core, a liquid based vibration-absorbing material onto a side ripple spring, the side ripple spring being in contact with a stator bar and the stator core; and allowing the liquid based vibration-absorbing material to cure, wherein the cured vibration-absorbing material remains in contact with the side ripple spring for absorbing stator vibrations. | 04-30-2015 |
20150115765 | MOTOR AND METHOD OF WINDING STATOR COIL - A motor having an improved structure in which winding patterns of a stator coil can be simplified, and a method of winding a stator coil. The motor includes a stator, a rotor and a motor shaft. The stator has a stator body and a first insulator and a second insulator that are coupled to upper and lower parts of the stator body. The rotor is disposed in the stator and configured to rotate while electromagnetically interacting with the stator. The motor shaft is coupled to the rotor so as to rotate together with the rotor, and a plurality of binding bosses are provided along a circumferential direction of one of the first insulator and the second insulator so that coils to which different voltages are applied, are wound around one of the first insulator and the second insulator. | 04-30-2015 |
20150130322 | STATOR FOR ROTATING ELECTRIC MACHINE AND METHOD FOR MANUFACTURING STATOR FOR ROTATING ELECTRIC MACHINE - A tooth of a stator has a tapered shape in which a tooth width decreases toward a distal end portion thereof. A winding is formed of an edgewise winding wound around the tooth in a row. The winding is supplied with power so that a terminal on a base portion side of the tooth may have a higher voltage than that of a terminal on the distal end portion side thereof. A tooth width T | 05-14-2015 |
20150303757 | CLAW ROTOR PROVIDED WITH AN EXCITATION WINDING INSULATOR, AND A ROTARY ELECTRICAL MACHINE EQUIPPED WITH A ROTOR OF THIS TYPE - A claw rotor ( | 10-22-2015 |
20150303758 | WRAPPED STATOR COIL FOR USE IN A GENERATOR - A wrapped stator coil for use in a generator is provided comprising: an electrical conductor coil; an insulating layer structure disposed about the electrical conductor coil; an interwoven layer structure disposed about the insulating layer structure and comprising insulating material and a first conductive material; and a conductive layer structure disposed about the interwoven layer structure and comprising a second conductive material. | 10-22-2015 |
20150311761 | SLOT INSULATING PAPER - A slot insulating paper ( | 10-29-2015 |
20150311762 | ELECTRIC MOTOR - An electric motor includes a stator and a rotor. The stator includes a stator core, a stator winding, a first insulating frame, a number of first insulating elements, and a number of second insulating elements. The stator core includes a number of teeth. Adjacent teeth form a winding passage defining a winding opening. Each first insulating element is assembled within the corresponding winding passage. Two end portions of each second insulating element are placed over the corresponding winding opening. | 10-29-2015 |
20150333588 | ELECTRICAL MACHINE, COIL ASSEMBLY FOR AN ELECTRICAL MACHINE, AND METHOD FOR PRODUCING SAID COIL ASSEMBLY - A coil assembly ( | 11-19-2015 |
20160013695 | ROTOR OF ROTATING ELECTRICAL MACHINE | 01-14-2016 |
20160065024 | ROTOR SLOT LINERS - A slot liner for a rotor assembly in one embodiment includes a metallic support member and a coating. The coating is disposed on at least one side of the metallic support member, and includes a mixture of a filler and a polyimide resin. The filler is a high thermal conductivity electrical insulating (HTCEI) filler, and includes particles of at least one of boron nitride, aluminum nitride, or a diamond material. | 03-03-2016 |
20160065025 | STATOR SLOT LINERS - A slot liner for a stator assembly in one embodiment includes a mesh structural member and a coating. The coating is disposed on at least one side of the mesh structural member, and includes a mixture of a filler and a polyimide resin. The filler is a high thermal conductivity electrical insulating (HTCEI) filler, and includes particles of at least one of boron nitride, aluminum nitride, or a diamond material. | 03-03-2016 |
20160111932 | PHASE SEPARATORS FOR ELECTRIC MACHINES - A phase separator for an electric machine includes a first insulator and a second insulator. The first and second insulators each include a leg portion and an endturn portion connected to the leg portion. The endturn portion is asymmetric with respect to an axis defined by the leg portion such that the second insulator can be inverted and disposed in an overlapping arrangement for electrically insulating endturn portions of adjacent phase windings. | 04-21-2016 |
20160172911 | ROTARY ELECTRIC MACHINE | 06-16-2016 |
20160172921 | STATOR OF ROTARY ELECTRIC MACHINE AND ROTARY ELECTRIC MACHINE | 06-16-2016 |
20160181882 | Rotating Electrical Machine | 06-23-2016 |
20160204661 | ELECTRIC MACHINE | 07-14-2016 |
20160380521 | STATOR AND STATOR MANUFACTURING METHOD - A stator includes a stator core and an insulator. The insulator includes a main body and a wall. An adhesive is attached to a portion of a triangular gap between the wall of the insulator and a yoke of the stator core. The adhesive is expandable, and adheres and fixes the insulator to the stator core by expanding to fill in the gap by being heated. Also, a stator manufacturing method includes attaching an adhesive to the wall of the insulator or an inside wall of the yoke, installing the insulator on a tooth, and heating the stator core and the insulator. | 12-29-2016 |