Abstract: The present disclosure disclosed a conductive slip ring including a first terminal group and a second terminal group. The first terminal group includes a first terminal and a second terminal. The first terminal has a first contact portion provided with a first annular contact surface. The second terminal has a second contact portion provided with a second annular contact surface. The second terminal group includes a third terminal and a fourth terminal. The third terminal is in rotating contact with the first annular contact surface of the first terminal. The fourth terminal is in rotating contact with the second annular contact surface of the second terminal. The first annular contact surface and the second annular contact surface are spaced apart from each other along an axial direction of the conductive slip ring. As a result, structure of the conductive slip ring can be made in a more compact manner.

Abstract: The present invention provides a rotor comprising: a rotor core; a cover arranged on an upper part of the rotor core; a magnet arranged on the outer circumferential surface of the rotor core; and a can member accommodating the rotor core and the magnet and coupled to the cover, wherein the cover includes a plurality of downwardly extending guides, the guides are arranged on the outer circumferential surface of the rotor core and are arranged inside the can member, and the can member includes at least one protrusion part protruding from a border thereof so as to be coupled to the cover. Therefore, the present invention provides an advantageous effect of excluding the use of an adhesive in the coupling of a can to a rotor core.

Abstract: A bus bar engaged with each brush holder and electrically connected to positive brushes. A rotor has coils and protrusions extending in an outward direction and electrically connecting the coils to commutator segments. Each brush portion end surface faces the outward direction, the bus bar has an engagement portion with an end facing the inward direction, and the end of the engagement portion is further in the outward direction than the end surface portion. The brush has an end facing the first direction, the bus bar has an end facing a second direction, and the end of the bus bar is further in the second direction than the end of the brush facing the first direction. Each protrusion end faces the second direction, and the end of the bus bar facing the first direction is further in the second direction than the end of the protrusion facing the second direction.

Abstract: A brush motor includes a stator and a rotor. The rotor includes a rotary shaft with a rotor core and commutator fixed thereto. The commutator includes an insulating base and commutator segments fixed to the insulating base. The stator includes 2P stator poles, where P is an integer greater than 1. The rotor comprises m teeth, where 4P>m>2P, and 2m is an integral multiple of P. The rotor includes a rotor winding, which is a concentrated winding having m first elements and m second elements. Each tooth is wound with one of the first elements and one of the second elements. the m first elements form a plurality of element groups, each having n first elements connected in series, and being connected only to corresponding commutator segments at both ends thereof, where P?n?2. Both ends of each second element are connected to corresponding commutator segments.

Abstract: The present invention relates to a rotor (1) of a rotary electric machine, comprising: a body (3) comprising a cylindrical central core (5) and a circumferential plurality of arms (B1 . . . B18) extending radially out from the cylindrical central core (5), the body (3) being intended to be mounted with the ability to move about an axis of rotation X, a coilset produced by windings of turns and forming at least one series of coils (C1 . . . C9, C1? . . . C9?, C1? . . . C9?, C1?? . . . C9??), a coil (C1 . . . C9, C1? . . . C9?, C1? . . . C9?, C1?? . . . C9??) comprising a predetermined number of turns around at least two arms (B1 . . . B18) of the body, two adjacent coils (C1 . . . C9, C1? . . . C9?, C1? . . . C9?, C1?? . . . C9??) of a series being angularly offset from one another with a partial overlap, in which the rotor (1) comprises at least one additional retaining loop (S1, S1?, S2, S2?) wound around at least two arms (B1 . . . B18) of which at least one is common to the arms (B1 . . .

Abstract: A method for manufacture of a gold-plated slipring contact, comprising steps of galvanic deposition of a copper layer on the electrically-conductive substrate; of a nickel and/or nickel phosphor layer on the copper layer; and of a gold layer on the nickel and/or nickel phosphor layer.

Abstract: The disclosed apparatus may include may include (1) a power socket receptacle that (A) fits within a via of a circuit board and (B) is inserted into the circuit board through one side of the via and (2) a power socket plug that (A) fits within the power socket receptacle and (B) is screwed into the power socket receptacle through another side of the via such that the power socket receptacle and the power socket plug collectively provide electrical continuity across the via. Various other apparatuses, systems, and methods are also disclosed.

Abstract: A rotor includes coils that are formed by winding wires around bobbins of a core, terminals which are arranged on the bobbins and to which end portions of the wires are hooked, and a commutator arranged at an end portion of the core on a side where the terminals are arranged. The terminals and commutator segments of the commutator are electrically connected via metal pieces extending from the commutator segments and via a wiring board.

Abstract: A slip ring unit for an electrically excited rotor of a rotary dynamo-electric machine includes an electrical terminal which protrudes axially from an end face of the slip ring unit and having a contact point and a circumferential slip contact surface electrically connected to the electrical terminal. Disposed adjacent to the slip contact surface is an insulation element, with end plates axially retaining the circumferential slip contact surface and the insulation element. An electrically insulated support element is arranged on an end face of the slip ring unit and has a cross section which substantially matches a cross section of the slip ring unit. The support element axially surrounds the electrical terminal and radially supports the electrical terminal.

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

Abstract: An electric motor includes: brushes (31) that are brought into sliding contact with a commutator of an armature that is fixed to a rotation shaft and feeds electric power; a brush holder stay (33) that supports the brushes (31) via brush holders (41); noise prevention elements (110) that are electrically connected to the brushes (31); and terminals (130) and jump wires (141) that electrically connect between the brush holders (41) and the noise prevention elements (110), wherein first connection portions, which connect between the noise prevention elements (110) and the terminals (130), and second connection portions, which connect between the terminals (130) and the jump wires (141), are both disposed only on a first surface (S1) of the brush holder stay (33).

Abstract: A magnetic mass of an electric machine rotor extending along a longitudinal axis and comprising a plurality of housings, each housing being able to receive a respective electrically conductive bar. The magnetic mass further comprises, on at least one portion of its length along the longitudinal axis, at least one opening extending radially from one of the housings and opening outwards along a radial direction, substantially perpendicular to the longitudinal axis.

Abstract: Provided is a structure for a slip ring and a brush of a WRSM capable of reducing an axial length of a motor by increasing a contact area between the slip ring and the brush and improving reliability for smoothly implementing performance of the motor by stably supporting a shaft of the motor, the structure including: an inner slip ring combined with a rotation shaft of a motor; a brush disposed at a circumference of the inner slip ring and having a plurality of wrinkles contacting an outer circumferential surface of the inner slip ring formed therein; an outer slip ring disposed at a circumference of the brush and making in contact with the plurality of wrinkles of the brush; and a holder that supports the outer slip ring.

Abstract: A rotor of a dynamoelectric machine is provided, the rotor comprising a shaft, an essentially cylindrical armature, an armature coil comprising aluminum coil wires and a drum commutator, which comprises an insulating support body and conductor segments which are attached to said support body and fixed therein by means of armature sections. Said conductor segments each comprise a copper running surface area and a connection area made of aluminum or a metal which can be soldered with aluminum (aluminum-compatible metal) having a soldering tag which greatly projects over the brush running surface. Said coil wires are soldered to the end side to the soldering tag of the respectively associated conductor segments and to be precise, without directly contacting the areas of the running surface.

Abstract: A brush holder has a core side position regulator engaged with a first connection plate to regulate a relative position. The core side position regulator has a projection part projected toward an armature core in the axial direction, and a fitting groove portion defined on both sides of the projection part in a circumferential direction. The relative position in the circumferential direction is regulated by an engagement between the projection part and a slit of the first connection plate. The relative position in the axial direction is regulated by an engagement between sides of the slit and the fitting groove portion. A width of the projection part in the circumferential direction is larger than a width of a brush in the circumferential direction.

Abstract: A method of controlling alloy composition of deposited gold-tin alloy during electroplating of a large panel includes masking at least one planar surface of the panel with conductive material applied in a predetermined pattern. The masked panel is located at least partially within an electroplating solution including a gold-tin alloy in solution at a predetermined gold:tin ratio. Electrical current applied to the masked panel is conducted across the planar surface via the conductive material to induce a predetermined electrical current distribution across the planar surface and thereby pull gold ions and tin ions from the electroplating solution. The pulled ions are deposited upon a supermajority of an unmasked area of the masked panel. The predetermined pattern is selected to achieve deposition of the gold-tin alloy with substantially uniform alloy composition, directly corresponding to the predetermined gold:tin ratio, across the supermajority of the unmasked area of the masked panel.

Abstract: Disclosed is a motor, the motor according to an exemplary embodiment of the present disclosure including a stator arranged at an inner surface of a housing and including a magnet, a rotor core centrally arranged at the stator to pass through a rotation shaft, a rotor including an insulator covering the rotor core and a coil wound on the insulator, a commutator coupled to the rotation shaft to be electrically connected to the coil, and a brush coupled to the housing to be closely contacted to the commutator, wherein the insulator is formed with a short-circuit prevention unit formed on a drop path of conductive particles in order to prevent the short-circuit between the rotor core and the commutator from being generated by the conductive particles generated by the commutator and the brush.

Abstract: A transformer includes a transformer core, a first wire, which forms a first winding, and a second wire, which forms a second winding. The first and second windings are wound around the transformer core. A preformed insulation structure is arranged between the first and second winding and designed to space apart the second winding from the first winding and the transformer core. The preformed insulation structure further includes a first shell which at least partially encloses the transformer core with the first winding, and a second shell which at least partially encloses the transformer core with the first winding. The first and second shells are identical. One or more holes are defined in the first shell and the second shell. The one or more holes cover more than 10% of a surface of the preformed insulation structure.

Abstract: A motor assembly includes: a motor housing including: at least one brush receptacle having top and bottom ends; a locking element extending from the top end toward the bottom end; and a housing spring member; at least one brush holder apparatus including: a brush holder housing sized to be received within the brush receptacle, including: an upper surface and a lower surface; a receiving aperture; and an open end; a brush spring enclosed by the brush holder housing; and a brush located inside the brush holder housing; wherein the brush holder apparatus is inserted inside the brush receptacle; and wherein the housing spring member urges the brush holder apparatus toward the top end such that the locking element is received inside the receiving aperture.

Abstract: The present invention relates to a brush holder assembly for use with rotating electric machines. The brush holder assembly is used as a grounding mechanism to remove dangerous and damaging static charges and extraneous electric currents from the shafts primarily of the rotating electric machines.

Abstract: An electrical swivel system may have a movable swivel member adapted to connect to a landing gear and a fixed swivel member adapted to connect to an airframe. Each may have an interface apparatus whereby electrical signals may be conducted between components of the movable swivel member and the fixed swivel member. In this manner, electrical signals may be conveyed across a mechanically movable joint.

Abstract: A reformer furnace (1), comprising: at least one triple conduit assembly (200), including a flue gas conduit (220) enclosing a reaction conduit (240) enclosing a product gas conduit (260), wherein: the reaction conduit (240) extends between a lower end (244) defining a reaction gas inlet (245), and a closed upper end (242); the product gas conduit (260) extends between an upper end (262) defining a product gas inlet (263), and a lower end (264) defining a product gas outlet (265); the flue gas conduit (220) extends between an upper end (222) defining a flue gas inlet (223), and a lower end (224) defining a flue gas outlet (225); and an annulus (250) between the reaction conduit (240) and the product gas conduit (260) comprises a catalyst (252); a combustion chamber (100) that encloses an approximate upper half (226, 246, 266) of the at least one triple conduit assembly (200) while an approximate lower half (228, 248, 268) thereof resides outside of and below the combustion chamber, and that includes at least

Abstract: Devices and methods of use for brush holder assemblies are disclosed. Brush holder assemblies including a mounting block and a brush holder are disclosed. Also illustrated is a brush holder assembly including a first portion in sliding engagement with a second portion. In some embodiments the brush holder includes a channel, such that at least a portion of the mounting block is disposed within the channel of the brush holder.

Abstract: An end plate for an electric machine includes: a bearing receptacle in which a magnetic bearing which is configured for rotatably mounting a rotor of the electric machine can be accommodated; and a radially outwardly pointing circumferential contour on which a number of at least three supporting elements are provided, which supporting elements each protrude radially beyond the circumferential contour by a determined protruding amount, with the result that the supporting elements define a discontinuous external circumferential contour of the end plate. The respective protruding amounts of the support elements are dimensioned such that the end plate can be fitted in by making a center of the magnetic bearing correspond to at least one of a geometric longitudinal axis of the electric machine and a magnetic longitudinal axis of the electric machine.

Abstract: A commutator is formed by providing an electrically insulating commutator body. First and second areas are defined on the commutator body covering a brush contact surface in an alternating manner. At least the surfaces of the first areas are formed of laser direct structured material. The first areas are treated by a laser to form metal particle layers. Conductive layers are formed on the metal particle layers by a plating process to form commutator segments. Terminals are connected to the conductive layers for connecting the commutator to rotor windings.

Abstract: A process of fabricating a slip ring component, a slip ring component, and a slip ring assembly are disclosed. The process includes forming a first shot, forming a second shot, and immersion bathing the first shot and the second shot. The immersion bathing applies an electrically conductive plating to exposed surfaces of the second shot.

Abstract: A method for repairing or servicing a wye ring of a generator includes the steps of, dismantling the generator to gain access to the wye ring, determining a fault location in the wye ring; and attaching a patch to the wye ring in an area of the fault location. The patch provides an electrical path around the fault location so that the generator is repaired.

Abstract: A method and apparatus for terminating stator windings. The apparatus includes stator winding termination disks having “U” shaped winding mouths for each group of stator winding ends. After winding the stator, the stator winding termination disks are laid over the termination end of the stator, the unterminated stator windings for one phase of the stator are placed into the “U” shaped winding mouths, the “U” shaped winding mouths are crimped over the unterminated stator windings, and pressure and heat are applied to melt insulation on the unterminated stator winding ends and form an electrical connection between the stator winding termination disks and stator windings for each phase of the stator and for common.

Abstract: The invention concerns a method of reconditioning a slip ring transmitter of the gold wire type which has a slip ring, in particular a gold ring, for use with a gold wire board as the circuit board, including the steps: removing a gold wire board from the slip ring transmitter, and fitting a multi-brush board as a replacement for the gold wire board.

Abstract: A method of manufacturing an armature for an electric motor, includes: placing a commutator and a lamination stack on an armature shaft, winding magnet wire in slots in the lamination stacks to form coils, attaching ends of the magnet wire to the commutator, and molding plastic around the magnet wire and around the shaft of the armature at ends of the lamination stack. A spinning inertia of the armature is adjusted by adjusting at least one of a mass of the plastic molded and a distribution of the plastic molded. Alternatively and/or additionally, at least one of a resonant frequency and critical speed of the armature is adjusted by adjusting at least one of a geometry of the plastic molded, the physical properties of the plastic and the mechanical properties of the plastic.

Abstract: A motor includes a brush configured to contact a commutator and a movement restricting structure configured to restrict a movement of the brush. The movement restricting structure has: a carbon holder for housing the brush while permitting a movement of the brush in the commutator radial direction; and a circumferentially restricting part for restricting a movement of the brush in the commutator circumferential direction. The circumferentially restricting part has a passing port formed by punching, through which the brush passes.

Abstract: A flat commutator having a support body, carbon segments, and conductor segments. The support body is formed on a carbon ring disk, which is later separated into carbon segments that are insulated from one another, the support body sitting against the carbon ring disk radially outward, radially inward, and against the end face of the carbon ring disk, the end face lying opposite the brush contact surface. The conductor segments are subsequently applied individually such that a contact pin of each segment penetrates a cavity that extends from the support body surface lying opposite the brush contact surface to the surface of the segments or of the carbon ring disks, the surface lying opposite the brush contact surface; and the free end of the contact pin contacts the surface of the segments or of the carbon ring disk, the surface lying opposite the brush contact surface.

Abstract: The invention relates to a rotor that exhibits a rotor shaft, by which a rotor axis is defined, and also a core stack that is arranged around the rotor shaft along a longitudinal portion of the rotor axis. Along the longitudinal portion the rotor shaft exhibits a first surface region, the shape of which describes a circular cylinder, and also a second surface region which is constituted by structural elements that with respect to the rotor axis rise radially outwardly above the first surface region. For the purpose of producing the rotor, the core stack can be pushed over the rotor shaft and in the process can be pushed against the structural elements) in such a manner that it is deformed and by this means a positive connection between the rotor shaft and the core stack is generated. In this way, in particularly simple manner in terms of production engineering a reliable and torsion-proof connection between the core stack and the rotor shaft can be formed.

Abstract: A method of manufacturing a motor for a power tool includes providing an armature configured to be coupled to a shaft. The armature includes a yoke and a first tooth and a second tooth that extend radially outward from the yoke to define a slot between the first tooth and the second tooth. Each of the first tooth and the second tooth include an inner end adjacent the yoke and an outer end opposite the inner end. The method further includes coupling a first wire guide member to the outer end of the first tooth, coupling a second wire guide member to the outer end of the second tooth, winding wire into the slot, after winding wire into the slot, compressing the wire radially into the slot, uncoupling the first wire guide member from the first tooth, and uncoupling the second wire guide member from the second tooth.

Abstract: In an electric motor apparatus including an electric motor (13), a speed-reduction mechanism (14) which transmits motive power of the electric motor (13), a housing (15) which accommodates the speed-reduction mechanism (14) and the electric motor (13), and a yoke (16a) fixed to an outer portion of the housing (15), the housing (15) is provided with a concave portion (21), a holding hole (18a), and an accommodation chamber (15a). A connector unit (25) is moved along the first direction and installed to a concave portion (21). A brush holder (26) is moved along the second direction and installed to the holding hole (18a). The speed-reduction mechanism (14) is moved along the first direction and accommodated in the accommodation chamber (15a). The yoke (16a) is moved along the second direction and fixed to the housing (15). Therefore, no restriction is imposed on the routing of an external connector connected to the connector unit (25).

Abstract: An electric machine and a method of forming a commutator for an electric machine includes forming a commutator assembly including a plurality of commutator bar members linked through a corresponding plurality of bridge elements, rolling the commutator assembly into a commutator form having a substantially continuous, uninterrupted, outer surface, introducing an internal support member that receives an end portion of each of the plurality of commutator bar members into an inner diameter of the commutator form, and separating the plurality of commutator bar members by removing each of the plurality of bridge elements creating a discontinuous outer surface.

Abstract: A stator manufacturing method which manufactures an insulated conductor coil and mounts this coil to the core, the insulated conductor coil being formed by deforming an insulated conductor into a shape having rectilinear in-slot conductor sections and coil end sections having bent sections, the conductor having an enamel layer formed on the outer periphery thereof and also having an extruded resin coating layer formed on the outer periphery of the enamel layer, comprises: a first step of forming the conductor coil by deforming the conductor to form the bent sections while the coating layer of the conductor is in a non-crystalline resin state; a second step of heating the extruded resin coating layer of the conductor coil to change into a crystalline resin state to a temperature higher than or equal to the glass transition temperature; and a third step of mounting the conductor coil to the core.

Abstract: A commutator (10, 40, 54, 60, 64, 70, 76, 78) for a brush motor includes a cylindrical insulating base (12), a plurality of segments (14) disposed on an outer surface (68) of the insulating base (12), circumferentially spaced from each other, and defining a plurality slots (42) between adjacent segments (14), and a plurality of insulating outgas elements (24) capable of releasing a gas having a lower conductivity than air and disposed on the outer surface (68) of the cylindrical insulating base (12). Each outgas element (24) is located between a corresponding pair of the plurality of segments (14), having a gas releasing surface (26) between the corresponding pair of segments (14) and lower than outer surfaces (28) of the corresponding pair of segments (14). A method for making a commutator is also provided.

Abstract: There is provided an electric motor and a manufacturing method of the electric motor capable of joining a brush and a commutator without placing load on components. An electric motor is formed at a side of a brush holder 13 with a second notch unit 32, and a groove unit 36 is formed on a brush 12 so that it overlaps the second notch unit 32 in the position where the brush 12 stored in the brush holder 13 does not abut against a commutator 8. By doing so, when joining the brush 12 and the commutator 8, the brush 12 may be temporarily fixed with respect to the brush holder 13 by pushing in the brush 12 in the brush holder 13 and coinciding the second notch unit 32 and the groove unit 36, and fixing a jig and the like to the groove unit 36 in this state.

Abstract: An electrical machine (1). The electrical machine (1) has a commutator (3), a brush (5) and a spring. In this case, the brush (5) is designed to make contact with the commutator (3). The spring is provided for the purpose of pressing the brush (5) against the commutator (3). In this case, the spring is designed as a coil spring (7) with a first coil strip (9) and a second coil strip (11).

Abstract: A stator manufacturing method for a motor includes an assembling step coupling a magnetic driving assembly onto an outer circumferential wall of a shaft tube, a mold combining step disposing the shaft tube and the magnetic driving assembly in an intra-cavity of a fixture unit, a glue injecting and forming step injecting a filling glue into the intra-cavity, with the filling glue solidifying into a protective glue coating with which the shaft tube and magnetic driving assembly are coated, a mold removing step removing the fixture unit from the shaft tube, magnetic driving assembly and protective glue coating, and a shaft tube seat coupling step providing a shaft tube seat having an engaging portion and coupling the engaging portion with the shaft tube, allowing the shaft tube, the magnetic driving assembly, the protective glue coating and the shaft tube seat to be coupled together to form a stator for the motor.

Abstract: In a method for producing a commutator ring for a commutator of an electric machine, the lamellae of a commutator ring are formed of an electrically conductive, deformable band material, and they have at least one recess running in the longitudinal direction of the band material, before a desired number of the formed lamellae are closed to form the commutator ring. After the closing of the lamellae to form the commutator ring, a reinforcing ring made of an electrically nonconductive, deformation-resistant material is introduced into the recess and is fixed in the recess by plastic deformation of the lamellae of the commutator ring.

Abstract: A plurality of teeth of an armature core arranged in a circumferential direction each include an inner winding portion in its proximal region and first and second branch portions that extend radially and branch off in a bifurcated manner from a distal end of the inner winding portion in the circumferential direction. After winding the first to ninth coils around the inner winding portions of all of the teeth, the tenth to eighteenth coils are wound sequentially around outer winding portions of adjacent ones of the teeth each including the first branch portion of one of the two adjacent teeth and the second branch portion of the other one of the adjacent teeth.

Abstract: A method of force-fitting a commutator (3) onto the shaft (2) of a rotor. This force-fitting is over an externally knurled part (6) of one end (4) of the shaft. The force-fitting is performed in such a way that the externally knurled part remains located on the outside of a first portion (A) of the commutator supporting the slip rings (8). According to another feature, an internally knurled part (9) of the commutator, situated essentially on the outside of the first portion (A), is force-fitted over an externally plain part (7) of the end of the shaft. The method has the notable advantage of allowing longer brush life. The method is particularly well suited to applications to a motor vehicle alternator or alternator-starter.

Abstract: An assembly for use in a gas turbine engine includes an inner diameter (ID) shroud having a plurality of ID slots and an outer diameter (OD) shroud having a plurality of OD slots and positioned radially outward from the ID shroud. A plurality of stator airfoils extend from the ID shroud to the OD shroud. Each of the stator airfoils is positioned at least partially in one of the ID slots and is positioned at least partially in one of the OD slots. A bumper is positioned proximate a first end of each of the stator airfoils so as to limit movement of the stator airfoils in a radial direction.

Abstract: A method of manufacturing an armature for an electric motor, includes: placing a commutator and a lamination stack on an armature shaft, winding magnet wire in slots in the lamination stacks to form coils, attaching ends of the magnet wire to the commutator, and molding plastic around the magnet wire and around the shaft of the armature at ends of the lamination stack. A spinning inertia of the armature is adjusted by adjusting at least one of a mass of the plastic molded and a distribution of the plastic molded. Alternatively and/or additionally, at least one of a resonant frequency and critical speed of the armature is adjusted by adjusting at least one of a geometry of the plastic molded, the physical properties of the plastic and the mechanical properties of the plastic.

Abstract: A description is given of a method for producing a stator for an electrical machine as an internal rotor, in particular an electric motor. This method involves providing a multiplicity of separate pole teeth, which are wound. The ends of the winding wire of the pole teeth are connected to one another to create a flexible annular pole tooth assembly, and the flexible assembly is inserted into an injection mould and centered. The assembly located in the mould is encapsulated or sealed in a moulding compound. In this way, a dimensionally stable stator with particularly good insulating properties can be produced.

Abstract: A fixture for removing slip ring assemblies from rotating electrical machinery. The fixture attaches directly to the slip ring assembly through bolted connection points for ease of installation and removal. A jacking mechanism provides mechanical leverage to pry the slip ring from its heat-shrunk fit mounting location in a manner that is reliable and safe for the service worker and the slip ring assembly. The fixture is lightweight and portable, facilitating use with electrical generators in the field and especially with wind turbine generators located on a wind turbine tower.

Abstract: A manufacturing method of shield type motor includes the following steps: a): providing an iron core; b): providing a plastic shell and having the exterior face of the plastic shell press against the interior face of the iron core; c): providing a plurality of connected enamel-covered coils for being wound around the bobbin; d): providing a wire fastener for bundling the first material of plastics and the second material of plastics; e): providing a protecting jacket to be connected to the plastic shell and for containing the plurality of enamel-covered coils; f): providing a mold to let the iron core place in the mold and having the first material of plastics teem into the mold; g): having the second material of plastics teem into the mold; and h): removing the mold to expose a main body.

Abstract: An apparatus for joining a wire pair of a stator coil. The apparatus includes a tool having a pair of electrodes and control equipment. The control equipment is configured to control the electrodes to apply force to the wire pair to push adjacent wires of the wire pair toward each other and cause current to pass between the pair of electrodes, and so through the wire pair pushed together, at a time at which the force is being applied to the wire pair.