Entries |
Document | Title | Date |
20080315708 | Foil coil structures and methods for winding the same for axial-based electrodynamic machines - Disclosed are foil coil structures and methods for winding the same for stators in electrodynamic machines, as well as electrodynamic machines that implement such coil structures. In one embodiment, a foil coil structure is configured for implementation with a field pole member having pole faces that confront, for example, conical magnets. | 12-25-2008 |
20090021100 | Stator Structure of External-rotor Motor - An improvement on the stator structure of external-rotor consists of the start-up coils and operating coils wound into the silicon steel race, wherein the said silicon steel race comprises a plurality of insulation columns and rabbets, and each insulation column has a wall formed at its external edge thereof, and more over, the said start-up coil is being wound-up, according to the clockwise sequence, at two rabbets positioned at each side of the datum point in an equal-length distance respectively thereto, in order to construct four sets of start-up coils by means of two corresponding sets of cross coils; in addition, there are another four sets of operating coils constructed at the top and bottom of datum point respectively, which are wound-up by means of two corresponding sets of cross coils in an equal-length distance respectively thereto, and thereat the said four sets of operating coils are covering onto the external edge of said start-up coils, so that both the start-up coils and operating coils will be uniformly distributed within the wall of said silicon steel race and in this way it will be able to protect and save its coil quantity and, thus acquire a practical effect on reducing the production costs and saving the electricity consumption. | 01-22-2009 |
20090058215 | BRUSHLESS MOTOR AND ELECTRIC POWER STEERING APPARATUS - A motor includes a cylindrical stator. The stator includes a stator core having teeth, which project inwardly in the radial direction, and coils, which are formed by winding a conductive wire onto each tooth with first and second insulators. The first insulator includes a support extending axially from an outer restriction wall. Each of first to third bus bars is supported by the support of the first insulator in a state in which a main portion is exposed. The main portions of the first to third bus bars are thus in contact with ambient air. | 03-05-2009 |
20090058216 | Stator and electric motor - Plate-shaped projections are provided on a front insulator in such a manner as to project towards a front housing. In addition, projecting pieces are provided on a surface of each projection which confronts an inner circumferential surface of a stator housing. The projecting pieces are provided on each projection in such a manner as to form three rows which are parallel to an inner circumferential direction of the stator housing. Spaces between the respective rows constitute guide paths by which the transition wirings which connect between the coils are disposed on the projection in such a manner as to be spaced apart from each other. | 03-05-2009 |
20090072653 | Stator Structure of Rotary Electric Machine and Method of Manufacturing the Same - A stator of rotary electric machine includes a plurality of winding bodies of a concentrated winding type in which two conductive wires are wound in rows. Assuming that the number of conductive wires supplied to each winding body is P, the number of slots (winding bodies) of the entire stator is T, and the number of neutral points (the number of stars) is S, winding wires extending between the winding bodies are twisted at spacing intervals of N winding bodies (N is a natural number) determined to satisfy the following relation: T=3×S×P×N. | 03-19-2009 |
20090108695 | Symmetrical Coil Electric Motor - An electric motor includes symmetrical elliptical coils on the inner surface of the motor stator. The coils are formed of a conductive material having a rectangular cross section and the long axis of the coils is parallel to the longitudinal axis of the stator. Within the stator and coils is arranged a rotor coaxial with the stator and having permanent magnets connected with the rotor exterior surface. The symmetrical coils produce increased magnetic flux when energized as compared to random windings on a stator energized with the same current level to increase the torque produced by and the efficiency of the motor. | 04-30-2009 |
20090121576 | METHOD FOR INSERTING A COIL IN A POLYPHASE ROTATING ELECTRICAL MACHINE STATOR, AND ASSOCIATED STATOR - A method for inserting a corrugated coil in an alternator stator, the coil comprising a number of wires, each designed to form around the inner surface of an assembly of plates a spiral including a number of turns corresponding each to one turn of the inner surface. The method includes forming each wire, the latter being configured into a succession of recesses comprising two lateral branches designed to be inserted each into a slot; and inserting the turns of each wire into a series of slots of the stator, the turns of the various wires being radially superimposed in a predetermined sequence. | 05-14-2009 |
20090127965 | ROTATIONAL ELECTRIC MACHINE HAVING FIELD WINDING FORMED BY COUPLING FORMED COIL TO BOBBIN - The rotational electric machine includes a cylindrical yoke and a field winding connected to an inner surface of the cylindrical yoke. The field winding is composed of plural formed coils, each coupled to a bobbin. The bobbin includes a first flange for insulating the formed coil from the inner surface of the cylindrical yoke, a second flange for insulating the formed coil from a supporting brim of a pole core and a pipe portion for insulating the formed coil from a boss portion of the pole core. The first flange is made all around the pipe portion while the second flange is formed to extend only in the lateral direction of the pipe portion. The bobbin is easily coupled to the formed coil by flexibly bending the bobbin. Alternatively, the bobbin or bobbins may be made by folding a bobbin sheet after placing the formed coils on the bobbin sheet. | 05-21-2009 |
20090146524 | Coil module for a stator of an electric motor, stator, electric motor, circulation pump and method of manufacturing a stator - A coil module for a stator of an electric motor comprising a coil holder, a coil that is disposed on the coil holder, a first web and a second web is provided, wherein situated between the first web and the second web are a first coil portion and a second coil portion for contacting with a motor circuit. | 06-11-2009 |
20090184601 | POLYPHASE STATOR OF A ROTATING ELECTRICAL MACHINE WITH CLAW-POLE ROTOR AND ALTERNATOR OR ALTERNATOR STARTER COMPRISING SAME - The invention concerns a polyphase stator ( | 07-23-2009 |
20090195106 | Coil assembly for electrical rotating machine, stator for electrical rotating machine, and electrical rotating machine - The torque characteristic is improved using a magnetic flux efficiently, and an eddy-current loss generated in a coil is reduced. Moreover, a loss is suppressed even if a metal member having a high thermal conductivity is closely disposed or closely contacted to a coil surface exposed by a variable magnetic field to improve the heat transfer property, thereby improving the cooling capability. A coil assembly for a rotational electric apparatus has first and second coil plates having wiring patterns formed in such a way that conductive coil segments adjoin with each other via slits, magnetic-flux-transfer-member slots formed in the slits and having a wider width than such slits, a coil constituted by the stacked coil plates so that the magnetic-flux-transfer-member slots overlap with each other, and a magnetic flux transfer member inserted into the magnetic-flux-transfer-member slots of the coil. | 08-06-2009 |
20090195107 | ACTUATOR AND COIL FRAME - An actuator includes: a coil for excitation; a rotor rotatably supported; a stator effecting a magnetic force on the rotor for rotation, the stator having first and second leg portions arranged side by side; and first and second coil frames each having a body portion and a pair of flange portions provided at an end of the body portion. The first coil frame is assembled onto the first leg portion. The second coil frame is assembled onto the second leg portion. The first and second coil frames are connected via a connecting portion bendable. The body portions are arranged not to be sandwiched between the first and second leg portions. Each of the body portions covers a halfway or less of each of peripheral surfaces of the first and second leg portions of the stator. | 08-06-2009 |
20090200889 | Nested Serpentine Winding for an Axial Gap Electric Dynamo Machine - The stator of an axial gap dynamoelectric machine comprises two or more serpentine coil arrays that are formed form a continuous loop of insulated wire. The serpentine coils are deflected in at least some of the tangential components so the place radial segments disposed to generate a Lorenz force with respect to the rotor magnets in a common plane, reducing the gap there between. | 08-13-2009 |
20090200890 | Winding For An Axial Gap Electric Dynamo Machine - The stator of an axial gap dynamoelectric machine has at least one substantially planar coil arrays formed by joining two or more sub-coils. Each sub-coil has a serpentine path about the stator perimeter that includes radial segments disposed to generate a Lorenz force with respect to the rotor magnets. The radial segments of the serpentine path joined by alternating inner and outer tangential segments. Each sub-coil starts with a proximal end at an outer tangential segments and a distal end about or within an inner perimeter of the inner tangential segments. Each sub-coil is joined at the distal end with another sub-coil to form the winding coil such that the proximal ends of the sub-coils constitute the two terminals of the planar coil array. This arrangement conveniently places both terminals of the planar coil array at the outer perimeter of the stator while also raising the winding inductance to a level more compatible with conventional motor power supplies. | 08-13-2009 |
20090230809 | STATOR WINDING FOR A SLOTLESS MOTOR - A stator winding for a slotless motor is parallel with the longitudinal axis of the motor except at the end turns of the coil windings. The coils have concentrated windings with a pair of coils wired in series to form one phase of the stator windings. Each of the pair of coils are wound such that the magnetic flux produced by a dc current through the coils produces magnetic flux of opposite directions with respect to the rotor of the motor. | 09-17-2009 |
20090236928 | ELECTRICAL MACHINE - The invention describes an electrical machine having an armature with armature slots for accommodating armature coils, and a commutator with commutator laminates. At least one armature coil is formed from two coil elements, which are arranged symmetrically with respect to one another in relation to the axis of rotation of the armature. The electrical machine is designed such that the number of commutator laminates is an integral multiple of the number of armature slots. | 09-24-2009 |
20090243420 | ELECTRIC ROTATIONAL MOTOR - A rotational motor includes a stator formed by a core member including: a magnetic core portion extending in a radial direction of the rotational motor and formed into a fixed shape in every cross section thereof extending orthogonally relative to the radial direction, a coil wound around the magnetic core portion to form a plurality of layers and an engagement member engaging with the coil. A gap is generated between windings of the coil at a predetermined position when an uppermost layer winding portion of the coil is wound in series with a second layer winding portion from an outer side to an inner side of the uppermost layer winding portion in the radial direction. The coil is wound to fill the gap when a winding position of the coil is returned from an innermost side to the outer side of the uppermost layer winding portion in the radial direction. | 10-01-2009 |
20090267441 | Rotating Electrical Machine - A rotating electrical machine includes a stator including at least two element coils of the same phase each having a plurality of turns and connected to each other through a coil-to-coil connection wire, the element coils being arranged in adjacent slots, respectively; and a rotor rotatably provided to the stator through a gap. The element coils of the same phase are fitted in the adjacent slots so that wound around portions of the element coils partially overlap each other. The coil-to-coil connection wire connects at a coil end portion conductor wires extending from linear conductor wire portions of innermost wires of the element coils contained in the slots. | 10-29-2009 |
20100001610 | COIL ASSEMBLY FOR ROTATING ELECTRIC MACHINE - A coil assembly for a rotating electric machine is a stator coil ( | 01-07-2010 |
20100026133 | COIL PRODUCTION METHOD, COIL OF MOTOR, AND STATOR OF MOTOR - A coil production method capable of improving the space factor of a rectangular conductor with respect to the slot of a stator core, a coil of a motor, and a stator of a motor. The coil production method in which one surface of a rectangular conductor is brought into contact with a shaft with guide, and edgewise bending is performed along the curved surface of the shaft, wherein a deforming mechanism for reducing the plate thickness of a plate thickness changed portion corresponding to each of four corners of a coil over the entire width of the rectangular conductor is provided, the deformation mechanism is used to deform the plate thickness changing portion, and the plate thickness changing portion of the rectangular conductor is edgewise-bent to form a coil. | 02-04-2010 |
20100066197 | WINDING METHOD FOR STATOR AND PERMANENT MAGNET MOTOR - In a stator winding method for winding conductive wires | 03-18-2010 |
20100066198 | INSERTION OF PRE-FABRICATED CONCENTRATED WINDINGS INTO STATOR SLOTS - A method is disclosed for manufacturing a motor stator including: a stator core | 03-18-2010 |
20100090558 | COIL WINDING METHODS AND STRUCTURES FOR A SLOTLESS STATOR IN A MOTOR - A method to form a field winding for a slotless stator including: forming the first coil group by spirally winding an insulated wire for each coil winding around a mandrel such that each turn of the wire is adjacent a next turn of the wire; after forming the first coil group, axially shifting along the mandrel the insulated wire from a trailing edge of each coil winding to position the wires at a leading edge of each of coil winding in the second coil group; forming the second coil group by spirally winding the insulated wire for each coil winding around a mandrel; removing the mandrel from the wound first and second coil groups; collapsing the wound coil groups to a layer web such that coil winding segments are interleaved; and wrapping the web into a cylinder to form the field winding. | 04-15-2010 |
20100096944 | Multi-turn, stranded coils for generators - A technique for winding multi-turn, stranded wire coils using rectangular cables avoids the risk of damage associated with edge-wise bends. | 04-22-2010 |
20100117481 | WINDING ARRANGEMENT FOR AN ELECTRICAL MACHINE - A design for and method of winding an electric motor, generator or other electrical machine using multiple strands of wire preformed into a wave shape with a plurality of legs connected by shaped end turns. This results in efficient packing and improved machine performance in terms of both efficiency and power density without the need for flux concentrators. The conductors or windings may be preformed so as to be a self supporting structure, aiding assembly and eliminating the need for an iron core. | 05-13-2010 |
20100133945 | SEGMENTED STATOR CORE WINDING APPARATUS AND METHOD OF WINDING A SEGMENTED STATOR CORE - A winding apparatus for a segmented core having a plurality of stator teeth includes a mounting fixture configured to support select ones of the plurality of stator teeth. The mounting fixture is configured to rotate about an axis defined by each of the plurality of stator teeth. The winding apparatus also includes a plurality of stator tooth holding elements operatively connected to the mounting fixture. Each of the plurality of stator tooth holding elements are configured to retain a select one of the plurality of a stator teeth relative to the mounting fixture. The mounting fixture is selectively rotated about the axis of at least one of the plurality of teeth to apply wraps of wire to the one of the plurality of stator teeth while at the same time rotating others of the plurality of stator teeth that have already been wrapped with wire. | 06-03-2010 |
20100164318 | PHASE WINDING FOR A ROTATING ELECTRICAL MACHINE STATOR AND STATOR EQUIPPED WITH SAME - A rotating electrical machine stator comprising an annular cylindrical body including axial grooves, and at least one phase winding including corrugated turns of wire, the phase winding comprising a first outer half-phase and a second inner half-phase which are radially superimposed, the first outer half-phase including outer leading-out wires projecting from the radial walls of the body and the second inner half-phase including outer leading-out wires projecting from the radial walls of the body. The invention is characterized in that for each phase winding, the wire length of each turn of the inner half-phase is greater than the wire length of each turn of the outer half-phase. The invention also concerns a phase winding designed to be mounted in such a rotor. | 07-01-2010 |
20100164319 | METHOD FOR MANUFACTURING A WINDING COIL FOR AN ELECTRICAL MACHINE AND A WINDING FOR AN ELECTRICAL MACHINE - The object of the invention is a method for manufacturing a winding coil for an electrical machine, as well as the corresponding winding. The electrical machine comprises a stator sheet pack in which slots are arranged at the edge of the inner circumference of the sheet pack for fitting the winding coils. In the method, a winding coil is made of flat wire so that one coil turn ( | 07-01-2010 |
20100164320 | METHOD FOR THE MECHANICAL WINDING OF A COIL - In a method for the mechanical winding of a coil ( | 07-01-2010 |
20100194230 | Process of Manufacture and Manufacturing Device of Stator - An object of the present invention is to provide a small, high-power rotating electrical machine by suitably forming a distributed winding coil such that two stator magnetic poles each formed of in-phase coil turns are arranged within an electric angle of 360 degrees formed by magnetic poles of the rotor. The present invention provides a method for manufacturing a stator, the method including a first step of placing a distributed winding coil | 08-05-2010 |
20100201219 | Electromotive Part Of An Elevator Drive - The present invention relates to an electromotive part of an elevator drive, comprising a rotor ( | 08-12-2010 |
20100213784 | SPLIT STATOR FOR ELECTRIC MOTOR AND MANUFACTURING METHOD OF THE SAME - A split stator for an electric motor includes a core having a tooth portion, a coil formed around the tooth portion, insulation spacers arranged between a surface of the tooth portion and an inner periphery of the coil, and holding the inner periphery of the coil with a space kept from the surface of the tooth portion, and a resin filler material having high thermal conductivity and filling the space. The resin filler material is configured to allow heat release from the inner periphery of coil to the core. | 08-26-2010 |
20100219713 | STATOR WINDING FOR AN ELECTRIC MOTOR - The invention relates to a stator for an electric motor comprising several poles (P) that are directed inwards towards the motor axis ( | 09-02-2010 |
20100225193 | Coils - The present invention provides an improved single-layer coil | 09-09-2010 |
20100253173 | AXIAL GAP TYPE CORELESS ROTATING MACHINE - A high-output and highly efficient axial gap type rotating machine capable of reducing an eddy current generated in a winding wire and supplying a larger current is provided. The axial gap type rotating machine may include a housing, a rotating shaft rotatably supported in the housing; two rotors capable of rotating integrally with the rotating shaft, and a stator fixed to the housing, the stator disposed in an air gap formed by the rotating plates disposed to face each other, the stator including a fixing plate and coils disposed in a circle on the fixing plate so as to face the circles of the permanent magnets, wherein each of the coils includes a winding wire formed by a bundle of at least two coil conductors having rectangular cross sections by aligning at least one of long sides and short sides thereof, and the winding wire has an outer circumference covered with an insulating coating and is wound such that the long sides in cross section of the coil conductors are positioned perpendicular to the magnetic pole surfaces of the permanent magnets. | 10-07-2010 |
20100259124 | METHOD FOR PRODUCING A ROTARY ELECTRIC MACHINE STATOR AND ARRANGEMENT OF CONDUCTORS ON A SUPPORT - A method of producing a stator for a rotary electrical machine comprising a body in which axial recesses are produced and comprising a plurality of conductors arranged in the recesses, which comprises a step of depositing conductors on a linear support that comprises transverse recesses, comprising a first phase of depositing conductors in the recesses in the support in order to form a first layer of conductors, and a second phase of depositing conductors in the recesses, in order to form a second layer of conductors that is arranged vertically above the first layer; the first deposition phase and the second deposition phase consists of depositing one and the same conductor on the linear support. The invention also proposes an arrangement of a set of conductors on a linear support obtained at the end of the deposition step. | 10-14-2010 |
20100277029 | ARMATURE WINDING OF ROTATING ELECTRICAL MACHINE - There is provided a 3-phase 2-layer armature winding of a rotating electrical machine. The lead-out connection conductor connected to the output terminal is connected to a coil piece positioned at least farther than a first coil piece inside the phase belt counted from the end of the each phase belt, and a coil piece positioned at the end of the phase belt is connected to a coil piece positioned at least farther than the n-th (n is an integer larger than 1) inside the phase belt counted from the other end of the phase belt in the same parallel circuit, by a jumper wire. | 11-04-2010 |
20100283350 | FLYWHEEL GENERATOR SYSTEM HAVING OPEN SHAPED LOOP COILS - A series of elongated oval wire windings bent into open C-shaped or other loop shape coils are positioned around a flywheel. Magnets, mating the loop opening shape, extend from the outer edge of the flywheel on a thin disc to pass through the coils to generate electricity with the spin of the flywheel. With no magnetic material is the coils there is no magnetic resistance created thereby providing more efficient electricity generation. | 11-11-2010 |
20100308683 | Brushless DC Motor and Stator Thereof - A stator for a brushless DC motor includes a cylindrical member and a positioning member. The cylindrical member is formed by a plurality of metal wires. Each metal wire includes two ends each forming a terminal. The cylindrical member includes first and second ends separated along a longitudinal axis. The positioning member includes an annular body received in the first end of the cylindrical member and separated from the second end of the cylindrical member along the longitudinal axis. The positioning member maintains a shape of the cylindrical member. The stator can be mounted in a space defined by a housing and a base engaged with the housing, forming a brushless DC motor. A bearing and a circuit board are mounted in the space. The bearing rotatably supports a shaft. A permanent magnet is mounted to the shaft and aligned with the stator. | 12-09-2010 |
20100308684 | Motor with Detacthable Winding Assemblies - A motor with detachable winding assemblies includes a motor base, a shaft tube, a driving circuit board, a shaft, a plurality of winding assemblies and a rotor. Each winding assembly includes a base, a winding, a packaging body and two electrical connection members. The base includes a supporting face. The winding includes two ends and a plane, wherein the plane is in intimate contact with the support face of the base. The packaging body encloses the base and the winding. The two electrical connection members are respectively connected with the driving circuit board and the two ends of the winding, wherein each of the electrical connection members is partially exposed outside the packaging body. The rotor is rotatably coupled to the shaft. | 12-09-2010 |
20110037337 | ROTARY ELECTROMAGNETIC MACHINES - A rotary electromagnetic machine is described which comprises first and second substantially cylindrical parts arranged to move relative to each other about a common axis. The first cylindrical part produces a spatially periodic radial magnetic field across an air gap, the magnetic field having a regular alternating polarity around the circumference of the first cylindrical part. The second cylindrical part comprises at least one laminar electrical conductor wrapped into cylindrical form and placed in the air gap to intercept the magnetic field, the laminar electrical conductor comprising a regular pattern of electrically conductive paths within the air gap. In more general terms, rotary motors in which the wire coils are replaced by laminations of material in which patterned conducting paths are created are described. The conducting laminations are placed in the air gap between an mature and backing iron that is constructed so as to reduce eddy current losses. | 02-17-2011 |
20110057536 | Coil Unit for Motor Stator - A coil unit for a motor stator includes a plurality of layout layers. At least one coil and a conductive portion electrically connected to the at least one coil are formed on a surface of each layout layer. The conductive portions of two adjacent layout layers are electrically connected to each other. An insulting layer is provided between two adjacent layout layers. The coil unit can be coupled to a face of a substrate to form a motor stator with reduced axial height and reduced volume. | 03-10-2011 |
20110057537 | WINDING METHOD, WINDING APPARATUS, AND STATOR - A winding method of forming a coil by edgewise bending a flat rectangular conductor comprises a step of edgewise bending the rectangular conductor to form edgewise bending portions so that two predetermined two adjacent bent portions are formed so that an outward bulging portion to be generated by edgewise-bending of the flat rectangular conductor is generated in a concentrated manner in a side between the two edgewise bent portions, and the side having the bulging portion constitutes each of a pair of opposite sides of the coil. | 03-10-2011 |
20110140564 | COIL SHEET, METHOD FOR MANUFACTURING COIL SHEET, COIL SHEET HOLDER, METHOD FOR ATTACHING COIL SHEET, ROTATOR OF MOTOR, AND MOTOR - A coil sheet has an insulative substrate which bends and has the first surface and the second surface on the opposite side of the first surface, a first conductor forming a first spiral conductive pattern and formed on the first surface of the insulative substrate, and a second conductor forming a second spiral conductive pattern and formed on the second surface of the insulative substrate. The width of the tip portion of the second conductor of the second spiral conductive pattern is set narrower than the width of the base end portion of the first conductor of the first spiral conductive pattern. | 06-16-2011 |
20110148243 | STATOR CORE FOR AN ELECTRIC MACHINE - A stator includes a body portion having an outer portion and an inner portion that defines an interior region, a plurality of stator teeth members extending from the inner portion into the interior region, and at least one continuous conductor wound around select ones of the plurality of stator teeth members to form at least one pole. Each of the plurality of stator teeth members including a number of wraps of the at least one continuous conductor. The at least one continuous conductor including a number of twists that is fewer than the number of wraps. | 06-23-2011 |
20110156523 | ELECTROMAGNETICALLY EXCITABLE COIL - An electromagnetically excitable coil having a wire, the wire being wound around a wire holder in one winding direction, the wire having a winding start, which generally is disposed at a first end of the coil, and a winding end, which generally is disposed at the same end of the coil, using an uneven number of winding layers, the coil having an elongated cross-section and the cross-section having a longer side and a shorter side, the wire being routed from the second end of the coil to the first end of the coil while forming at least one wire crossing at the shorter side of the cross-section. | 06-30-2011 |
20110181146 | STATOR FOR ELECTRIC ROTATING MACHINE WITH ENHANCED COOLING ABILITY - A stator for an electric rotating machine is provided which is equipped with a stator coil. The stator coil has a plurality of in-slot portions arrayed within each of slots formed in a stator core in a radial direction of the stator core. Adjacent two of the in-slot portions disposed in each of the slots have radially-facing surfaces which extend in non-parallel to one another at least one of ends of the in-slot portions. The non-parallel orientation of the radially-facing surfaces avoids close contact between entire areas thereof when the in-slot portions move undesirably within the slot in the radial direction of the stator core. In other words, a gap is kept between the radially-facing surfaces and serves as a radiator to dissipate heat, as generated in the in-slot portions. | 07-28-2011 |
20110198963 | Dual Layer Winding Pattern - A dual-winding layer arrangement for a three-phase, four pole motor is provided. | 08-18-2011 |
20110210640 | STATOR OF AN ELECTRIC MACHINE - The invention relates to a stator of an electrical machine, with at least one stator tooth and a coil wound outside of the stator, which coil has been pushed onto the stator tooth substantially radially. It is provided that the coil ( | 09-01-2011 |
20110210641 | ARMATURE OF ELECTRIC MOTOR AND ELECTRIC MOTOR - An armature of an electric motor includes a core and a winding. The core has a plurality of slots and a plurality of teeth formed between the slots. The winding is composed of a plurality of wires. The winding has a plurality of coil parts and connecting portions. The coil parts are inserted into the slots and wound around and across the teeth. The connecting portions connect the coil parts together. The winding has a twisted shape in the connecting portions. | 09-01-2011 |
20110210642 | ARMATURE OF ELECTRIC MOTOR AND METHOD FOR MANUFACTURING ARMATURE OF ELECTRIC MOTOR( amended - A stator is provided with a core and a winding. The core includes a plurality of slots and a plurality of teeth formed between the slots. The winding is composed of a plurality of wires W bundled in an irregular arrangement. The winding includes a plurality of coil portions wound on each of the teeth, and a connecting portion connecting the coil portions together. The winding has a twisted shape in the connecting portion. | 09-01-2011 |
20110227444 | ROTATING ELECTRICAL MACHINE VOLTAGE EQUALIZATION TOPOLOGY - A winding for an electric machine having a plurality of coils wound about a lamination stack or other suitable ferro-magnetic carrier, comprising each of several phases. Each of several filars comprising said coils distributed circumferentially around the laminations in a woven manner. Each of said filars consisting of one or more continuous conductors deposed into lamination slots in such manner that each filar is equidistant from the axis of the stator. | 09-22-2011 |
20110227445 | STATOR AND COIL - A stator comprises: a stator core having a plurality of slots; and a cage coil formed of a rectangular combined conductor that is wound by a plurality of turns. The combined conductor includes: a first conductor formed in a continuous zig-zag pattern; a second conductor formed in a continuous zig-zag pattern, the first and second conductors being combined to overlap one on the other with a displacement of one pitch; conductor in-slot portions overlapped and mounted in each of the slots of the stator core; conductor connecting portions placed circumferentially on the outside of the slots; and conductor stepped portions connecting the conductor in-slot portions and the conductor connecting portions. | 09-22-2011 |
20110241472 | Rotating Electrical Machine and Method for Manufacturing a Stator Thereof - A group of coils used in a stator of a rotating electrical machine, wound continuously upon a divided core with a crossover wire, in which 2N coils (where N is a natural number) are arranged at approximately regular intervals, wherein a winding direction of N coils, which are first through Nth continuously wound coils, of a front half of the 2N coils, and a winding direction of rear half coils which are (N+1)-st through (2N)-th continuously wound coils, are opposite. | 10-06-2011 |
20110260573 | Electric Motor - An electric motor has a rotor, a stator and brushes. The rotor has a shaft, a rotor core fixed to the shaft and having a plurality of teeth, a commutator fixed to the shaft adjacent the rotor core and having a plurality of segments, and rotor winding units wound about the teeth and connected to the commutator segments. Each of the rotor winding units is connected to a pair of adjacent commutator segments. At least one of the rotor winding units has at least two coils connected in series. Each coil has at least two subcoils directly connected in series and separated from each other by at least one tooth. An initial subcoil and a final subcoil of each coil are respectively connected to a pair of segments. | 10-27-2011 |
20110266911 | Winding Arrangement - A winding arrangement for an armature of an electric machine is provided. The winding arrangement includes a plurality of coils and a plurality of distinct winding types, wherein the coils are arranged on the armature such that each coil comprises the same number of windings and the same number of each of the distinct winding types. An armature for a generator including a plurality of coils, wherein the coils are arranged on the armature according to such a winding arrangement is also provided. A wind turbine with a generator including a rotor and a stator is also provided. | 11-03-2011 |
20110266912 | ROTATING ELECTRIC MACHINE WITH A STATOR WINDING COMPRISING A PLURALITY OF COILS AND METHOD FOR MANUFACTURING SAME - A rotating electric machine is provided and includes a rotor rotating around an axis, and a stator concentrically surrounding the rotor, the stator being equipped with a stator winding, which includes a plurality of coils. Each of the coils is wound in a series of adjacent single coils around a respective series of adjacent teeth distributed along the inner circumference of a laminated stator core and extending in axial direction. All of the single coils of each coil are wound in an uninterrupted fashion with one continuous cable. | 11-03-2011 |
20110273052 | DYNAMOELECTRIC DEVICE - A device, including a rotor, a stator, a coil wound around the stator, wherein the stator has a coil support structure having at least one side edge arranged along a line which is not parallel to a line extending from an axis of the rotor through a center of the coil. | 11-10-2011 |
20110278980 | STATOR COIL PRODUCTION METHOD AND ELECTRIC MOTOR EQUIPPED WITH STATOR COIL PRODUCED BY THE SAME - A stator coil production method using a plurality of shaping press pairs. A stator coil is made up of in-slot portions to be disposed in slots of a stator core and coil-end portions each of which extends every adjacent two of the in-slot portions. Each of the shaping press pairs has a die and a punch disposed on both sides of a conductor wire travel path. The method includes a first step of moving the die and the punch close to each other to shape a portion of a conductor wire into one of the coil-end portions, and a second step of bringing adjacent two of the shaping press pairs close to each other and simultaneously moving one of the adjacent two of the shaping press pairs in a direction perpendicular to the conductor wire to shape a portion of the conductor wire into one of the in-slot portion. | 11-17-2011 |
20110298329 | STATOR AND ELECTRIC MOTOR - A stator includes an iron core | 12-08-2011 |
20110316379 | MOTOR AND MOTOR DRIVEN POWER STEERING SYSTEM USING THE SAME - The present disclosure relates to a motor and a motor driven power steering system using the same. More particularly, the present disclosure relates to a motor adapted to maintain a balance of currents, and a motor driven power steering system adapted to reduce vibrations and noise and enhance steering quality using the same. | 12-29-2011 |
20120001513 | STATOR FOR ELECTRIC MACHINE - Disclosed is a stator for an electric machine. The stator is provided with a stator core, and first and second series of coils each formed into a predetermined shape. Each of the coils in the first series is provided with a pair of first coil ends which respectively protrude from both end faces of the stator core. Each of the first coil ends is provided with a pair of bent portions which extend outward in the radial direction of the stator, and a bridge portion which connects the bent portions. Each second coil end is provided with a pair of upright portions and a bridge portion which connects the upright portions. The bridge portions of the coils in the first series are disposed outside the bridge portions of the coils in the second series in the radial direction of the stator. The bridge portion of each of the coils in the second series extends across the bent portions of two adjacent coils in the first series. The coils in the first series and the coils in the second series are configured so that each series includes a mixture of coils of at least two phases among a U-phase, a V-phase, and a W-phase. Each of the coils in the first series is connected to a coil of the same phase in the second series. | 01-05-2012 |
20120019090 | SUPERCONDUCTING COIL AND SUPERCONDUCTING ROTATING MACHINE USING THE SAME - A superconducting coil whose shape can be modified after it is shaped and a superconducting rotating machine with the superconducting coil are provided. The superconducting coil has an feature that the superconducting coil | 01-26-2012 |
20120038238 | AC Generator for Vehicle - A vehicular AC generator includes: a rotor ( | 02-16-2012 |
20120080974 | DISC MOTOR AND ELECTRIC WORKING MACHINE EQUIPPED WITH DISC MOTOR - A disc motor includes an output shaft, a coil disc, an electric current supplying section, and a magnet. The coil disc is disc-shaped. The coil disc includes an at least two-layer structure having a first layer and a second layer. The coil disc includes a coil having a plurality of partial coil sections each extending outward in a radial direction of the output shaft and connecting sections each connecting together two partial coil sections. The electric current supplying section supplies an electric current to the coil. The magnet is disposed in opposition to the plurality of partial coil sections. The plurality of partial coil sections includes first partial coil sections formed on the first layer and second partial coil sections formed on the second layer. The first partial coil sections provide a total number different from that of the second partial coil sections. | 04-05-2012 |
20120080975 | Axial Coil for a Slotless Electric Motor - An axial self-supported coil for a slotless rotating electric motor. The axial self-supported coil includes one coil body formed by winded electrical conductors, with a head at each end, the electrical conductors in the coil body being substantially coplanar with the motor rotation axis, each coil head having an axial thickness, the axial self-supported coil having a conductor filling factor, characterized in that at least one of the electrical conductors is a multi-stranded conductor, in that a deformation arrangement of the multi-stranded conductor increases the conductor filling factor and in that a bending arrangement of the multi-stranded conductor reduces the axial thickness of each coil head. | 04-05-2012 |
20120086298 | MULTILAYERED WOUND COIL, STATOR, AND MANUFACUTING METHOD THEREFOR - Disclosed are a multilayered wound coil, a stator, and a manufacturing method therefor. The stator is provided with: a stator core comprising laminated steel sheets; and a coil which is wound around a teeth section formed on the stator core and has a plurality of layers formed in the circumferential direction of the stator core. The winding of the coil proceeds in either the radial direction or the circumferential direction of the stator core, whichever direction has fewer adjacent conductors, and doubles back at the end in said direction. This reduces the difference in potential between adjacent conductors, making it possible to ensure insulation between adjacent conductors even with a thinner insulating film. | 04-12-2012 |
20120091849 | CONDUCTIVE WIRE UNIT AND GENERATOR WITH CLOSED MAGNETIC PATH - A stator for a generator with closed magnetic path comprises a coil support frame and a conductive wire unit arranged on the coil support frame. The conductive wire unit comprises a plurality of stacked basic conductive wire units. The basic conductive wire unit comprises a conductive wire layer and a magnetic-conducting sheet conformably stacked on and insulated from the conductive wire layer. The conductive wire layer comprises a plurality of conductive wires arranged in parallel and insulated from each other, or a conductive sheet with a plurality of elongated through gaps extending from a central region of the conductive sheet to a circumferential region of the conductive sheet, elongated portions between the elongated gaps function as conductive wires connected in parallel between the central region and the circumferential region. The conductive wire unit further comprises a shaped magnetic-conducting basic plate. | 04-19-2012 |
20120119607 | MOTOR STATOR - A motor stator includes an insulating frame having a plurality of projecting rods, an induction unit, and a plurality of conductive members. The induction unit includes an induction circuit board, a plurality of induction coils embedded within the induction circuit board, and a plurality of coil windings wound respectively on the projecting rods. The conductive members extend through the insulating frame and the induction circuit board for establishing an electrical connection between each of the induction coils and a corresponding one of the coil windings. The turn numbers of the coil windings are not limited by the area and thickness of the induction circuit board, and can be increased. Alternatively, the coil windings may be positioned to increase the magnetic pole slot number when energized. As such, a driving force of the motor stator can be increased. | 05-17-2012 |
20120119608 | MOTOR STATOR - A motor stator includes a stator unit and at least one auxiliary unit. The stator unit includes a circuit substrate, and a plurality of spaced-apart induction coils embedded within the circuit substrate. The auxiliary unit includes an auxiliary coil attached to and disposed outwardly of the circuit substrate. | 05-17-2012 |
20120119609 | TRANSVERSE AND/OR COMMUTATED FLUX SYSTEM COIL CONCEPTS - Electrical machines, for example transverse flux machines and/or commutated flux machines, may be configured to achieve increased efficiency, increased output torque, and/or reduced operating losses via use of a dual wound coil. The coil ends of a dual wound coil can be on a common side, simplifying wiring. The dual wound coil may be configured with a low resistance, reducing resistive losses. | 05-17-2012 |
20120133235 | STATOR FOR ELECTRIC ROTATING MACHINE - A stator includes a stator coil that is formed of electric conductor segments welded to one another. Each of the electric conductor segments includes at least one joining portion that is welded to another one of the electric conductor segments. The joining portion includes a first part and a second part that are arranged in a longitudinal direction of the electric wire segment. The second part includes a distal end of the electric wire segment, and the first part is on the opposite side to the distal end. The first part extends with its cross-sectional area perpendicular to the longitudinal direction continuously decreasing at a first predetermined rate toward the second part. The second part extends with its cross-sectional area perpendicular to the longitudinal direction continuously decreasing at a second predetermined rate toward the distal end. The second predetermined rate is less than the first predetermined rate. | 05-31-2012 |
20120139383 | METHOD FOR PRODUCING A STATOR WINDING OF AN ELECTRIC MACHINE, IN PARTICULAR FOR PRODUCING AN ALTERNATOR - The invention relates to a method for producing a stator winding ( | 06-07-2012 |
20120175991 | METHOD FOR MANUFACTURING A CYLINDRICAL WINDING FOR SLOTLESS ELECTRICAL MACHINE - The invention relates to a method for manufacturing a cylindrical winding for slotless electrical machine according to the following steps:
| 07-12-2012 |
20120187795 | Armature Windings - The present invention relates to armature windings for DC electrical machines, and in particular to those that use electronic commutation and have relatively few slots per pole-pair. The armature windings are particularly well suited for use with rotating DC electrical machines that have a large diameter and a large number of poles such as those that might be directly coupled to the turbine blade assembly of a wind turbine. The armature winding is arranged in relation to the magnetic field generated by a field winding or by permanent magnets such that a number of commutation events during the time taken for the relative movement between the armature and the field system of one pole-pair is much larger than the number of coils per pole-pair. | 07-26-2012 |
20120228983 | STATOR MODULE, IN PARTICULAR FOR MULTI-PHASE ELECTRIC MACHINES, AND METHOD FOR PRODUCING SUCH A STATOR MODULE - The invention relates to a stator module for multi-phase machines, including a plurality of soft magnet stator segments that are individually wound with coils and that can be connected to a yoke, where the coils of a phase are connected in series. The stator module includes the stator segments of a phase form a stator segment chain, having at least two stator segments, the coils of which are formed by a winding wire free of interruptions. | 09-13-2012 |
20120228984 | ARMATURE FOR ROTATING ELECTRIC MACHINE - In an armature, a coil includes a plurality of conductor segments, each provided with a conducting side section and a pair of protruding sections. The two protruding sections in each pair extend in opposite directions from each other with respect to a circumferential direction. Each protruding section is joined to a protruding section of another conductor segment to which that conductor segment is joined. At least one of each two protruding sections joined to each other is provided with an offset bend section that offsets a tip towards the other protruding section in a radial direction. The join surfaces formed on the tips of the two protruding sections are joined facing each other in the circumferential direction. | 09-13-2012 |
20120242184 | Non-360 Degree Driving Brushless DC Motor - A brushless DC motor comprises: a rotor on which magnetic poles evenly arranged along the circumferential direction thereof; and a stator on which a plurality of coils are disposed. The coils are unevenly distributed along the circumference of the stator. | 09-27-2012 |
20120242185 | DISK MOTOR AND ELECTRIC WORKING MACHINE INCLUDING THE SAME - A disk motor including: a rotor; a stator; at least one coil disk provided to one of the rotor and the stator; at least one magnet provided to the other of the rotor and the stator and facing a coil pattern of the coil disk; a current supply part for supplying current to the coil pattern; and an output shaft rotated by a rotating force of the rotor, wherein an insulating resin layer is provided between the coil pattern and the magnet. | 09-27-2012 |
20120248925 | ELECTRIC MOTOR AND MOTOR-DRIVEN COMPRESSOR USING THE SAME - An electric motor includes a rotary shaft, a rotor fixed on the rotary shaft, and a stator having plural slots in which coils of different phases are wound. Each of the coils has at least one pair of end wires. At least in the coil located closest to the rotor, one of the end wires located farther from the rotor than the other of the end wires is used as a lead wire that is to be electrically connected to a driver circuit for energizing the coils. | 10-04-2012 |
20120274172 | STATOR FOR ROTATING ELECTRICAL MACHINE - A stator for a rotating electrical machine includes a stator core with a plurality of slots; and coils attached to the stator core. The coils are each structured by winding a covered conductor wire bundle around the stator core. The covered conductor wire bundle is structured by covering an outer circumference of a conductor wire bundle with a flexible insulating cover, the conductor wire bundle consisting of an assembly of a plurality of conductor wires. A plurality of the covered conductor wire bundles is disposed in each slot such that adjacent pairs of the covered conductor wire bundles are in contact with each other. | 11-01-2012 |
20120280590 | AC GENERATOR - AC generators are disclosed. Example generators may include a tubular air core, with high magnetic permeability and with a first and second end, the air core having a plurality of eddy current reducing slits passing from a radially outer surface of the air core to a radially inner surface of the air core; and a continuous coil made of conducting wire having a plurality of loops wrapped around the air core, the coil positioned between the first end and the second end of the air core. | 11-08-2012 |
20120293035 | CORELESS ELECTRIC MACHINE APPARATUS, MOVING BODY AND ROBOT - A coreless electric machine apparatus includes: a permanent magnet arranged on the first member; two-phase coreless electromagnetic coils arranged on the second member; a coil back yoke arranged on the second member, wherein the electromagnetic coils include effective coil areas for generating a force to move the first member relatively to the second member, and coil end areas, the effective coil areas of the two-phase electromagnetic coils have same shape and are arranged in a cylindrical area between the permanent magnet and the coil back yoke, the coil end area of a first phase electromagnetic coil of the two-phase electromagnetic coils is bent in an inside direction or an outside direction of the cylindrical surface, the two-phase electromagnetic coils have same electric resistance value, and the coil back yoke covers outer peripheral areas of the effective coil areas and does not cover outer peripheral areas of the coil end areas. | 11-22-2012 |
20120299431 | INTERSPERSED MULTI-LAYER CONCENTRIC WOUND STATOR - A stator includes a stator support having multiple axially extending circumferentially arranged slots. Multiple phases each include multiple coils. Each of the coils has first and second opposing sides of conductor provided in the slots. A conductor in a second side of a first phase first coil is interspersed with a conductor in a second phase first coil. The conductors in a first side of the first phase first coil are arranged adjacent to one another and non-interspersed. | 11-29-2012 |
20120306310 | CORELESS ELECTRIC MACHINE APPARATUS, MOVING BODY, ROBOT AND MANUFACTURING METHOD OF THE CORELESS ELECTRIC MACHINE APPARATUS - A coreless electric machine includes: a permanent magnet on a first member; N-phase (N≧2) air-core electromagnetic coils on a second member; and a coil back yoke on the second member, each electromagnetic coil including a conductor bundle in which a conductor is wound M times (M≧2), coil sub-aggregates are provided, each including the N electromagnetic coils of the respective N phases and in each of which a conductor bundle forming an effective coil area of a first-phase electromagnetic coil contacts a second conductor bundle forming an effective coil area of another phase electromagnetic coil, and the second conductor bundle is in an air-core portion of the first phase electromagnetic coil, and the coil sub-aggregates are arranged along the cylindrical area, in which the coil sub-aggregates do not overlap in a radiation direction of the cylindrical area, and adjacent coil sub-aggregates contact each other. | 12-06-2012 |
20120313477 | STATOR UNIT AND MOTOR - A stator unit including a coil in which a distance between an m−1-th turn and an m-th turn is wider than each distance in a first turn to the m−1-th turn. The m+1-th turn is disposed between the m−1-th turn and the m-th turn. Further, in a cross-section perpendicular to a central axis and passing a tooth, an angle between a line segment connecting respective centers of the m+1-th turn and the m−1-th turn and a line segment connecting respective centers of the m+1-th turn and the m-th turn is about 120° or more. With this structure, bulging in a circumferential direction of the coil adjacent to an inner peripheral portion of the tooth can be suppressed and a clearance can be secured between adjacent coils such that the number of turns of the coil can be increased. | 12-13-2012 |
20120319524 | METHOD FOR MANUFACTURING WINDING COIL FOR AN ELECTRICAL MACHINE - A method is disclosed for manufacturing the winding coil of an electrical machine from flat wire. The coil can include coil sides fitted to a groove of an electrical machine and end sections which are left outside the groove and form a coil end. Flat wire can be used for winding a spool in which the coil rounds are in the same winding plane and in which there are two parallel straight coil sides on opposite sides. After this, the parallel straight coil sides can be bent towards each other essentially to the right angle in comparison to the winding plane. | 12-20-2012 |
20130009511 | Flexible Winding for an Electric Motor and Method of Producing - A flexible winding, for a brushless, rotating motor, comprising a flexible substrate. A first winding circuit is disposed on a first side of the substrate. The flexible substrate is rolled into a substantially cylindrical shape such that the first winding circuit forms a winding suitable for an electric machine, such as a rotary motor. | 01-10-2013 |
20130015742 | SYNCHRONOUS MOTORAANM Inoue; YoshimitsuAACI Niwa-gunAACO JPAAGP Inoue; Yoshimitsu Niwa-gun JPAANM Satake; AkiyoshiAACI Niwa-GunAACO JPAAGP Satake; Akiyoshi Niwa-Gun JP - A synchronous motor | 01-17-2013 |
20130057106 | MANUFACTURING METHOD OF ROTATING ELECTRIC MACHINE AND ROTATING ELECTRIC MACHINE - A manufacturing method of a rotating electric machine according to an embodiment includes forming a stator by selectively attaching any one of a first stator winding and a second stator winding to a stator core, forming a rotor to be arranged on an inner periphery of the stator to face the stator, and arranging the stator and the rotor in a housing. | 03-07-2013 |
20130062986 | ELECTROMAGNETIC COIL, CORELESS ELECTROMECHANICAL DEVICE, MOBILE BODY, ROBOT, AND MANUFACTURING METHOD FOR ELECTROMAGNETIC COIL - An α-wound coil is formed by winding ends on both sides of a predetermined intermediate position of a wire rod from air-core end edges of both the ends toward an outer circumferential side to form two coil portions and superimposing the formed two coil portions to be opposed to each other. When the electromagnetic coil is subjected to bending molding to be adapted to a shape along the cylindrical surface on which the electromagnetic coil is arranged, the circumferential length of a bent-molded shape along the circumferential direction of the cylindrical surface of a first coil portion arranged on the inner circumferential side is set to be smaller than the circumferential length of a bent-molded shape along the circumferential direction of the cylindrical surface of a second coil portion arranged on the outer circumferential side. | 03-14-2013 |
20130069474 | COMPOSITE CONDUCTOR INSULATION - An electric machine having insulated conductor wires and a method of insulating the conductor wires. The conductor wires include an electrically conductive core and an electrical insulation portion. The electrical insulation portion includes an electrical insulation coating layer and at least one electrical insulation wrap layer. | 03-21-2013 |
20130069475 | ELECTROMAGNETIC COIL STRUCTURE HAVING A FLAT CONDUCTIVE TRACK, MAGNETIC CORE AND MAGNETO ELECTRONIC ANGLE SENSOR - The present invention relates to an electromagnetic coil structure for being mounted on a magnetic core. Such a magnetic core is for instance a part of a rotating electric machine or of a magneto electronic angle sensor. The present invention further relates to a belonging magnetic core and to a magneto electronic angle sensor, in particular a reluctance resolver. Furthermore, the present invention relates to a method for fabricating such an angle sensor. The coil structure ( | 03-21-2013 |
20130076191 | HYBRID DIELECTRIC FILM FOR HIGH TEMPERATURE APPLICATION - A high-temperature insulation assembly for use in high-temperature electrical machines and a method for forming a high-temperature insulation assembly for insulating conducting material in a high-temperature electrical machine. The assembly includes a polymeric film and at least one ceramic coating disposed on the polymeric film. The polymeric film is disposed over conductive wiring or used as a conductor winding insulator for phase separation and slot liner. | 03-28-2013 |
20130076192 | DISK MOTOR AND ELECTRIC WORKING MACHINE INCLUDING THE SAME - A disk motor including: a rotor including, a commutator disk including a commutator pattern, and at least one coil disk including a coil pattern; a stator including a magnetic flux generating part opposed to the coil pattern of the coil disk; an electric current supply part configured to supply electric current to the coil pattern via the commutator disk and, an output shaft configured to be rotated by a rotational force of the rotor, wherein a radiating pattern is provided to an outer periphery side of the commutator pattern of the commutator disk. | 03-28-2013 |
20130082563 | DISK MOTOR, ELECTRIC WORKING MACHINE INCLUDING THE SAME AND METHOD FOR ADJUSTING BALANCE OF DISK MOTOR - A disk motor including: a coil disk to which a coil pattern is formed; an electric current supply part configured to supply electric current to the coil pattern; a magnetic flux generating part opposed to the coil pattern; and an output shaft configured to be rotated by a rotational force of the coil disk, wherein the coil disk includes a balancing area at an outer periphery side of the coil pattern. | 04-04-2013 |
20130093281 | BAR CONDUCTOR SHAPES FOR ELECTRIC MACHINES - A conductor is provided for an electric machine having an axis, a radial direction extending outward from the axis, and a tangential direction perpendicular to the radial direction. The conductor includes a solid core, having radial faces substantially perpendicular to the radial direction of the electric machine and tangential faces substantially perpendicular to the tangential direction of the electric machine. At least one tangential depression is formed on at least one of the tangential faces. The tangential depression creates a tangential void within a rectangular envelope defined by the solid core. Therefore, the surface area of the solid core is greater than the surface area of the rectangular envelope. | 04-18-2013 |
20130099621 | Electrical Conductor With Surrounding Electrical Insulation - An electrical conductor provided with an electrical insulation system surrounding the conductor, the insulation includes a first insulation layer surrounding the conductor and a second insulation layer surrounding the first insulation layer. The second insulation layer includes a second polymer and a second filler in the form of chromium oxide (Cr | 04-25-2013 |
20130106232 | WINDING STRUCTURE FOR A RECTANGULAR WIRE | 05-02-2013 |
20130119814 | FOIL COIL STRUCTURES AND METHODS FOR WINDING THE SAME FOR AXIAL-BASED ELECTRODYNAMIC MACHINES - Disclosed are foil coil structures and methods for winding the same for stators in electrodynamic machines, as well as electrodynamic machines that implement such coil structures. In one embodiment, a foil coil structure is configured for implementation with a field pole member having pole faces that confront, for example, conical magnets. | 05-16-2013 |
20130119815 | SEGMENTED ARMATURE MOTOR - Provided is a segmented armature motor, which includes a plurality of armature coils which enclose a rotor having a rotary shaft, an armature which houses the armature coil and which is coupled in a segmented form, a motor frame which is coupled to the armature so as to enclose the armature, and motor covers coupled to the front and rear faces of the motor frame. The segmented armature motor is formed so that the armature coils completely enclose a pole portion of the rotor and are formed into a horseshoe shape or U shape, thereby minimizing magnetic losses of the armature and of the rotor. | 05-16-2013 |
20130127289 | CONDUCTOR AND ROTATING ELECTRICAL MACHINE - A conductor for a coil of a rotating electrical machine that includes a conductor wire bundle formed by gathering a plurality of conductor wires and a flexible insulating covering material that covers a periphery of the conductor wire bundle. The conductor has an intra-covering gap formed inward of the insulating covering material in a radial direction so that the conductor wires can move relative to each other in the intra-covering gap, and a cross-sectional shape of the insulating covering material along a perpendicular plane that is perpendicular to an extending direction in which the conductor wire bundle extends can be deformed. | 05-23-2013 |
20130127290 | STATOR OF ROTATING ELECTRICAL MACHINE AND ROTATING ELECTRICAL MACHINE - A stator of a rotating electrical machine includes a stator core which is annular in shape, a plurality of stator coil groups constituting a plurality of phases, each-phase stator coil group being wound on the stator core and including a plurality of unit coils connected to each other, and a plurality of pieces of interphase insulation paper for insulation of coils belonging to different phases, disposed between coil ends of the unit coils belonging to different phases at both axial ends of the stator core, the interphase insulation paper pieces having ends which are inserted between the coil ends of the unit coils belonging to an identical phase, respectively. | 05-23-2013 |
20130147305 | MOTOR AND COIL STRUCTURE THEREOF - A motor comprises a coil structure and a plurality of magnetic materials. The coil structure includes three winding groups, each of which has a plurality of winding portions. The winding portions have an interval therebetween, and are electrically connected by a wire. The magnetic materials are disposed adjacent to the coil structure and corresponding to the winding groups. Accordingly, the motor has more magnetic materials within the same bending angle of the enameled wire, so that the motor can output larger torsion and power to enhance the motor efficiency. | 06-13-2013 |
20130154429 | ACTIVE PART OF AN ELECTRICAL MACHINE HAVING INCLINED COILS IN THE WINDING HEAD AREA - An active part of an electrical machine has a carrier, a plurality of coils which are arranged on the carrier and which each include a plurality of sub-conductors and a winding head area, in which the coils project out of the carrier in a curved shape, respectively and are connected to one another. At least one of the plurality of coils has a coil arc in the winding head area, and the center line of the coil runs in one plane in the coil arc. The sub-conductors of one coil run parallel to the plane in the coil arc of the coil and themselves in each case form sub-conductor arcs. The vertices of the sub-conductor arcs of the coil form a line of inclination which runs at an angle to the plane. | 06-20-2013 |
20130193798 | ROTARY ELECTRIC MACHINE - A rotary electric machine including a core having a plurality of slots disposed in a distributed manner in a circumferential direction of a cylindrical core reference surface, the slots each having a slot opening portion that opens in an opening direction toward one side in a radial direction of the core reference surface, and a coil conductor wire wound around the core. The coil conductor wire has a deformable cross-sectional shape, a diameter of the coil conductor wire with a circular cross-sectional shape is larger than a slot opening width which is a width of the slot opening portion in the circumferential direction, and the coil conductor wire is flexible enough to be flattened so as to be equal to or less than the slot opening width. | 08-01-2013 |
20130193799 | STATOR OF AN ELECTRICAL MACHINE - Stator of an electrical machine are already known, having a stator lamination stack, having coil forms fastened thereto which each include an electrical coil. The coil forms are each pressed onto a tooth of the stator lamination stack, convex protuberances, which generate the dynamic compression, being provided on the teeth of the stator lamination stack. The inherent drawback here, however, is that the convex protuberances are expensive to manufacture. In the case of the stator according to the present invention, the fastening of the coil forms to the teeth of the stator lamination stack is simplified. It is provided in accordance with the present invention that at least one fastening element ( | 08-01-2013 |
20130257216 | STATOR CORE ASSEMBLY AND SPINDLE MOTOR INCLUDING THE SAME - There is provided a stator core assembly including: a body having a circular ring shape; a teeth part including a plurality of teeth extended from the body; and a plurality of coils wound around the plurality of teeth, wherein the coils are wound n+3 | 10-03-2013 |
20130285502 | Single-Layer Coil With One Bent Endwinding and One Straight Endwinding - The present invention provides an improved single-layer coil for a rotating or linear electrical machine. The coil has a first endwinding that is substantially straight to a longitudinal axis of the coil and a second endwinding that is bent relative to the longitudinal axis of the coil. The coil therefore has differently shaped endwindings with one end | 10-31-2013 |
20130300247 | STATOR OF ROTATING ELECTRIC MACHINE AND WINDING METHOD THEREFOR - A stator of a rotating electric machine includes: a plurality of teeth having a same shape are arranged in a radial direction toward a rotary shaft core with base ends thereof being coupled to a core back in a ring shape; a slot formed between the adjacent teeth; a flange portion formed projecting to opposite sides of apical ends of the teeth; a slot inlet formed between the adjacent flange portions; a winding area formed around each teeth; and a wire wound via an insulator having a same shape in each winding area. A first wire is wound around first teeth provided alternately, and a second wire is wound around second teeth put between the first teeth, and the first wire and the second wire are wound in a different shape in a sectional shape of opposing portions. | 11-14-2013 |
20140009029 | Arrangement of Coil Wires in a Rotor of an Electric Motor - An armature for an electric motor, the armature comprising a plurality of teeth and a plurality of cavities, wherein each one of the cavities is arranged between two of the plurality of teeth, and wherein at least one of the plurality of cavities is configured and arranged for receiving coil windings adjacent to a wall portion of the at least one cavity, wherein the at least one of the plurality of cavities comprises a switching wire receptor. | 01-09-2014 |
20140015367 | STATOR OF ROTATING ELECTRICAL MACHINE, METHOD OF MANUFACTURING SAME, AND APPARATUS FOR MANUFACTURING SAME - A method for manufacturing a stator of a rotary electric machine, the stator including cassette coils each formed of a flat rectangular conductor wire wound in a distributed winding form and a stator core including slots in which the cassette coils are inserted, includes the steps of: assembling a plurality of adjacent in-phase cassette coils to form a set of assembled coils; winding an insulation sheet cut in a predetermined shape around an outer periphery of a proximity section of the assembled coils in which the cassette coils are located close to each other; fixing end portions of the wound insulation sheet to each other; and overlapping sets of the assembled coils in a circumferential direction of the stator core, each set being bound together by the insulation sheet having the fixed end portions, and inserting the assembled coils in the slots. | 01-16-2014 |
20140015368 | STATOR, METHOD FOR MANUFACTURING STATOR, AND FLAT CONDUCTOR FOR WINDING - A stator includes: a stator core having a plurality of slots and teeth parts; and coils each formed by winding a flat conductor and disposed in the slots. Of the corners of the rectangular cross-section of the flat conductor, a first corner located on the inner circumference side of the coil when the flat conductor is wound to form the coil is provided with a round chamfer having a radius larger than that of another corner. When the coil is inserted into the slots of stator core elements, the rectangular cross-section of the coil is disposed such that the first corner faces toward the outer circumference side of the stator. | 01-16-2014 |
20140021823 | STATOR AND MANUFACTURING METHOD FOR STATOR - A stator includes: coils each made of a conductor wire wound to form in-slot wire portions and coil-end wire portions; and a split-type stator core including slots receiving the in-slot wire portions and teeth parts formed adjacent to the slots. The coils includes: a first concentrically wound coil wound with gaps between adjacent portions of the wound conductor wire to allow insertion of the conductor wire; and a second concentrically wound coil. The in-slot wire portions of the first and second concentrically wound coils are alternately arranged in each slot. A lane changing section formed on the coil end is formed to make a displacement by the thickness of one conductor used in the second concentrically wound coil. | 01-23-2014 |
20140028143 | Rotating Electrical Machine - In a rotating electrical machine, the concentrated winding coil includes a single-layer coil, corresponding to one layer, wound in a first turn advancing mode with the wire forming sequential coil turns starting from one end of the insulating bobbin toward another end of the insulating bobbin and another single-layer coil, corresponding to one layer, wound in a second turn advancing mode with the wire forming turns starting from the other end of the insulating bobbin toward the one end of the insulating bobbin, with the single-layer coil and the other single-layer coil layered alternately to each other. The insulating bobbin includes a winding portion where the concentrated winding coil is formed, collars each formed at one of two ends of the winding portion and at least one projecting portion configured to disallow misalignment at a turn changeover start area in the first and second turn advancing modes. | 01-30-2014 |
20140035426 | STATOR INCLUDING CONDUCTORS PROVIDED WITH A CERAMIC COVERING - A stator core includes a plurality of slot segments, a plurality of stator winding conductors arranged in select ones of the plurality of slot segments, and a ceramic covering provided on one or more of the plurality of stator winding conductors. The ceramic covering includes an adhesive bonded to the one of the plurality of stator winding conductors to provide insulation for the one or more stator winding conductors. | 02-06-2014 |
20140035427 | METHOD FOR PRODUCING A STATOR WINDING OF AN ELECTRIC MACHINE, IN PARTICULAR AN AC GENERATOR - Method for producing a stator winding ( | 02-06-2014 |
20140042865 | STATOR WELD JOINTS AND METHODS OF FORMING SAME - A method of forming a weld joint includes removing a portion of an insulator from a first core of a first magnet wire and a second core of a second magnet wire so that the first wire has a first heat affectable zone and a first insulator portion adjacent the first zone, and the second wire has a second heat affectable zone and a second insulator portion adjacent the second zone. The first and second insulator portions include the insulator disposed on the first and second cores, respectively. The first and second zones have a first and second distal end spaced apart from the first and second insulator portions, respectively. The method includes welding together only the first end and the second end to form the weld joint, wherein welding does not transfer heat to the first and second insulator portions sufficient to burn the insulator. | 02-13-2014 |
20140070656 | MAGNET ALTERNATOR ASSEMBLY - An alternator assembly including a stator disk having at least one slot positioned around a circumference of the stator disk. The slot functions to accommodate a removable stator coil spool. The stator coil spool is inserted into and extracted out from the stator disk through the slot. | 03-13-2014 |
20140077655 | STATOR AND ROTATING ELECTRICAL MACHINE - A stator includes: a stator core having an almost annular outer core and an inner core arranged inside the outer core; and a bobbin having a cylindrical body part around which a winding wire is wound and a flange part that is formed so as to rise up from the cylindrical body part, with a plurality of bent parts and an edge part. | 03-20-2014 |
20140097719 | MOTOR FOR ENVIRONMENT-FRIENDLY VEHICLE - Discloses is a motor for an environmentally friendly vehicle. In particular, the motor includes a stator core including a first coating portion and a second coating portion. The first portion and the second coating portion are adjacent to each other, wound with a coil on an outside thereof and fixedly installed in a motor case and the first coating portion is thinner than the second coating portion. The motor also includes a rotor core configured to move between the first coating portion and the second coating portion depending upon a speed of the motor. A controller is configured to control an operation of an actuator to move the rotor between the first coating portion and the second coating portion to maximize the efficiency of the motor depending upon the speed of the motor. | 04-10-2014 |
20140111055 | CONDUCTOR WITH DIVOT FOR IMPROVED FORM FACTOR - A conductive element is provided and includes an electrically conductive material and a coating surrounding the electrically conductive material to form a coated member. The coated member is formed with a crown defined by bends in first and second transverse dimensions. The electrically conductive material is formed to define at least one divot proximate to the crown. The at least one divot is discernible through the coating. | 04-24-2014 |
20140111056 | SMALL STEPPER MOTOR WITH MAXIMUM STATOR TEETH PER POLE - A step motor having a stator constructed with six teeth per pole is achieved for a stator inner diameter (ID) less than one inch (25.4 mm) by a either (1) reducing the pitch angle of the outer teeth of each pole (e.g., to at most 6.8 degrees for a 19 mm stator ID), or (2) narrowing the tooth width of those outer teeth (e.g., to at most 0.0175 inch or 0.444 mm for a 19 mm stator ID), or (3) combination of both. These changes allow sufficient space (i.e., wider than 0.052 inch or 1.321 mm) between poles for passage of a winding needle, even with the extra stator teeth. Although narrowing the pitch angle and reducing the tooth width do sacrifice some torque contribution from each tooth, there still results a net overall gain in torque. | 04-24-2014 |
20140111057 | STATOR AND ROTARY ELECTRIC MACHINE - A first insulation-coated conductive wire of a first coil forming body is positioned between one conductive wire exposed region, from among the conductive wire exposed regions that are positioned on both sides of a curved portion positioned on an outermost periphery of a coil assembly, and a second insulation-coated conductive wire that forms the curved portion, and the first coil forming body is different from a second coil forming body that has the second insulation-coated conductive wire, and the first insulation-coated conductive wire of the first coil forming body forms another curved portion. | 04-24-2014 |
20140125188 | CONCENTRATED WINDING STATOR CONSTRUCTION FOR HIGH EFFICIENCY MACHINE - A permanent magnet motor, generator or the like that is constructed with a concentrated winding using a separate tooth. This tooth is preloaded in such a way to achieve high structural rigidity and good magnetic performance. | 05-08-2014 |
20140125189 | 3-PHASE PERMANENT MAGNET MOTOR OR GENERATOR HAVING VARIABLE STATOR TEETH - An electric motor or generator machine is provided. The machine includes a rotor rotatable about an axis, as well as a stator. The stator includes a stator core and wiring wound around the stator core. The stator core includes a plurality of arcuately spaced apart alternating primary teeth and secondary teeth, such that each secondary tooth is spaced between a corresponding pair of primary teeth. The wiring is wound about the primary teeth to form a plurality of coils. The plurality of coils includes an A-phase coil, a B-phase coil, and a C-phase coil. Each of the primary teeth includes a generally radially extending primary arm and a generally arcuately extending primary crown. Each of the primary crowns spans one hundred sixty (160) to two hundred (200) electrical degrees. | 05-08-2014 |
20140132104 | STATOR WINDING AND METHOD OF MANUFACTURING THE SAME - There is provided a winding to be wound at a stator of a rotary electric machine. The winding is produced from a flat wire having a rectangular cross section along a plane perpendicular to a length-wise direction. The flat wire is coated with an electric insulating layer and is bent to have curves at given portions of the flat wire in the length-wise direction. The curves are located on an axial outer side of the stator. The cross section of the flat wire has four corners, among which mutually-adjacent two corners are lager in curvatures than remaining mutually-adjacent two corners. The mutually-adjacent two corners whose curvatures are smaller are positioned on a circumferential outer side of each of the curves and the mutually-adjacent two corners whose curvatures are larger are positioned on a circumferential inner side of each of the curves. | 05-15-2014 |
20140145543 | ELECTRICAL MACHINES - An electrical machine ( | 05-29-2014 |
20140145544 | STATOR AND ELECTRIC MOTOR HAVING THE SAME - The stator of the electric motor comprises: a stator core; tooth sections being radially extended from the stator core; an even number of slots, each of which is formed between the tooth sections; an insulator covering the tooth sections; and motor coils being wound in the slots. The insulator has guide projections, each of which corresponds to each of the tooth sections so as to guide a magnet wire. The guide projections have guide sections, each of which includes a base end part and a front end part. In each of the guide sections, a radial thickness of at least one part located in the base end part is thin, a radial thickness of the front end part is thicker than that of the base end part. The guide sections are formed in same side faces of the guide projections arranged in the circumferential direction. | 05-29-2014 |
20140175934 | BRUSHLESS DC MOTOR OF AXIAL GAP TYPE - A brushless direct current (BLDC) motor of axial gap type includes a rotational axis, a stator rotatably connected to the rotational axis, a rotor disposed apart from the stator in an axial direction of the rotational axis, fixedly connected to the rotational axis, and including a permanent magnet formed on an inner surface thereof to face the stator. Further, the stator is formed as wiring board and includes a plate-like board body and a coil pattern. The board body is disposed in a horizontal position with regard to the rotor and has a central hole into which the rotational axis is inserted. The coil pattern is formed in the board body and arranged in a radial form around the central hole. | 06-26-2014 |
20140184013 | STATOR FOR SYNCHRONOUS MOTOR - A stator for a motor that includes an armature coil that generates an N-pole and an S-pole by applying a current and forty-eight slots radially formed at which the coil is disposed and in which the armature coil alternately implements N-poles and S-poles by arranging six slots as a single unit as the current is applied to the coil. The slot includes a plurality of phase drawing out slots, and when the order of the phase drawing out slots is determined in a clockwise direction by setting one phase drawing out slot as a first phase drawing out slot, at least two methods of winding the armature coil to turn around the slot may be used to decrease a distance from the first phase drawing out slot to the last phase drawing out slot to a minimum value by setting a cell between neighboring slots as a unit. | 07-03-2014 |
20140191610 | COIL WIRE FOR ROTATING ELECTRIC MACHINE AND COIL BODY - A coil wire for a rotating electric machine includes: an element wire assembly formed by bundling a plurality of element wires, the plurality of element wires being coated so as to be insulated from each other; and a coating member having conductivity, the coating member coating a periphery of the element wire assembly, the coating member being positioned in a slot of a stator of the rotating electric machine and being obliquely wound with respect to a longitudinal direction of the coil wire, and the coating member being formed with a plurality of conductive belts electrically insulated from each other. | 07-10-2014 |
20140210300 | Stator of an Alternator - The present invention relates to a stator of an alternator, providing an elongated stator body having a plurality of parallel grooves, winding a plurality of wires in the plurality of different grooves, and then rolling the elongated stator body wound with the wires into an annular shape to form an annular stator. | 07-31-2014 |
20140210301 | Stator of an Alternator - The present invention relates to a stator of an alternator, providing an elongated stator body having a plurality of parallel grooves, winding a plurality of wires in the plurality of different grooves, and then rolling the elongated stator body wound with the wires into an annular shape to form an annular stator. | 07-31-2014 |
20140246942 | STATOR FOR AN ELECTRICAL MACHINE - A stator comprising a plurality of stator elements, each stator element comprising a core and a coil wound about the core. The coil of at least one stator element is wound at angle such that the coil is sheared towards an adjacent stator element so as to reduce magnetic flux leakage between the two elements. | 09-04-2014 |
20140252909 | ELECTRIC MOTOR AND METHOD FOR WINDING ELECTRIC MOTOR WINDING WIRE - A winding wire ( | 09-11-2014 |
20140265713 | ELECTRIC WIRE, COIL, DEVICE FOR DESIGNING ELECTRIC WIRE, AND ELECTRIC MOTOR - An electric wire includes a conductive portion | 09-18-2014 |
20140285056 | WOUND MEMBER FOR MANUFACTURING COIL, COIL, ROTATING ELECTRICAL MACHINE, AND METHOD FOR MANUFACTURING COIL - A wound member for manufacturing a coil for manufacturing a coil wound around a slot of a stator core, the wound member for manufacturing a coil includes: a first side and a second side disposed opposite one another so as to be end sides of coil ends; and a third side and a fourth side that respectively couple the first side and the second side, wherein at least one of the first side and the second side is wrapped such that a side end at an outer peripheral side is shifted to an outer peripheral side to form a side end at an outer peripheral side to be an approximately flat surface when the first side and the second side become end sides of the coil ends. | 09-25-2014 |
20140300238 | Electric Motor - A rotor for an electric motor has an iron core and a winding wound about teeth of the rotor core. Slots are formed between the teeth to accommodate coils of the winding. The winding includes several layers of windings distributed in the radial direction of the rotor. Each winding layer has a plurality of coils with the coils of each winding layer being wound on the teeth in the circumferential direction of the rotor. The overall center of gravity of the winding layers is substantially positioned at the geometric center of the rotor. Thus the center of gravity of the entire winding is located substantially at the geometric center of the rotor, thereby preventing noise caused by unstable rotation due to the deviation between the center of gravity of the winding and the geometric center of the rotor. | 10-09-2014 |
20140300239 | SEGMENT COIL, METHOD OF MANUFACTURING SEGMENT COIL, WIRE ROD FOR SEGMENT COIL, AND STATOR - A segment coil capable of achieving effective prevention of magnetic flux leakage or eddy current and enhancing efficiency of a motor is provided. Segment coils in stator of a rotating electric machine including an annular core and rectangular wire coils in a plurality of layers, which are attached on an innermost circumferential side in a direction of radius of a slot formed in an inner circumferential portion of the annular core and are opposed to a rotor, are each constituted of a plurality of divided wires as divided in a circumferential direction of the annular core. The plurality of divided wires are integrally joined in coil end portions extending from the slot. | 10-09-2014 |
20140319954 | ELECTRIC MACHINE - An electric machine includes a stator and a rotor. The stator is disposed near to the rotor and has at least one first stator unit and at least one second stator unit. The first stator unit has a first tooth and a second tooth, and the second stator unit has a third tooth and a fourth tooth. The rotor has a rotating direction or a moving direction with respect to the stator. The first tooth and the third tooth are adjacently disposed to each other along the rotating direction or the moving direction. The protruding directions of the first tooth and the third tooth respectively form a first angle and a third angle with the radial direction of the rotor, and the first angle and the third angle are different. | 10-30-2014 |
20140319955 | STATOR FOR AN ELECTRICAL MACHINE - A stator comprising a coil wound onto a bobbin. The coil is wound as a plurality of layers, each layer comprising a plurality of turns that extend between opposite ends of the bobbin. The outermost layer has a turn pitch greater than that of a lower layer. Additionally, an electrical machine comprising the stator. | 10-30-2014 |
20140327335 | ELECTROMAGNETIC COILS, METHOD OF MANUFACTURING SAME, AND INSULATING TAPES - An electromagnetic coil having an insulating coating formed by alternately laminating, on a coil conductor, a mica layer including mica and a reinforcing layer including fiber reinforcing material, inorganic particles and resin, wherein the inorganic particles include secondary agglomerate particles formed by agglomeration of primary particles of hexagonal crystal boron nitride. The electromagnetic coil is provided with an insulating coating that suppresses external outflow of inorganic particles and ensures favorable thermal conductivity. Furthermore, the invention also provides an insulating tape having a mica layer including mica and a reinforcing layer including fiber reinforcing material, inorganic particles and resin, which is layered on the mica layer, wherein the inorganic particles include secondary agglomerate particles formed by agglomeration of primary particles of hexagonal crystal boron nitride. This insulating tape is provided with an insulating coating that suppresses external outflow of inorganic particles and ensures favorable thermal conductivity. | 11-06-2014 |
20140333170 | ARMATURE WINDINGS OF ROTATING ELECTRICAL MACHINES - According to one embodiment, there is provided armature windings of a rotating electrical machine, in which a 3-phase winding of two layers including upper and lower layers is constituted of phase belts having an electrical phase difference of 60° in between, pairs of upper coil pieces and lower coil pieces are contained in slots, the number of slots per pole per phase includes a fractional number, and a denominator thereof is an integral number greater than or equal to 4, wherein coil arrangement is carried out such that at least one coil piece in either of the upper or lower coil pieces included in two layers of upper and lower layers in one phase belt is replaced with a coil piece of an adjacent different phase. | 11-13-2014 |
20140333171 | ELECTRIC MOTOR - An electric motor is provided having a rotor and a stator and in which the stator has poles which are surrounded by turns of a coil. Each turn is of planar design and the lower faces of subsequent turns rest on the upper faces of the respectively preceding turns. The system provides a simple, robust and efficient electric motor. | 11-13-2014 |
20140333172 | AUTOMOTIVE ROTARY ELECTRIC MACHINE STATOR AND MANUFACTURING METHOD THEREFOR - In the automotive rotary electric machine stator according to the present invention, a stator winding is constituted by distributed windings, slot-housed portions and root portions of coil end portions are formed so as to have flat cross sections, and the slot-housed portions are housed in the slots in contact with each other so as to line up in a single column in a radial direction such that long sides of the flat cross sections are oriented circumferentially. Flatnesses of root portions of the coil end portions that are radially adjacent and that extend outward in different circumferential directions from the slots are mutually different. | 11-13-2014 |
20140339949 | Preformed Coil to Produce a Self-Supporting Air Gap Winding, in Particular Oblique Winding of a Small Electrical Motor - A preformed coil ( | 11-20-2014 |
20140346916 | COMMUTATOR MOTOR AND METHOD OF CONNECTING WINDINGS OF THE SAME - A commutator motor is configured such that an armature includes an armature core having teeth and slots, an armature coil, and a commutator having segments. The armature coil includes coil units in which windings are wound on the teeth, and jumper wire units for interconnecting between the coil units. Segment group includes first and second segments to which the coil units are connected, and a third segment to which only the jumper wire unit is connected. The first and second segments are disposed adjacent to each other, and the third segment is disposed next to the adjacent arrangement. The configuration includes the jumper wire unit that is wired from the third segment such that each of one part of the wire unit running to one side and the other part of the wire unit running to the other side is wired to pass through the same slot to interconnect between the coil units. | 11-27-2014 |
20140346917 | CONDUCTIVE WIRE UNIT AND GENERATOR WITH CLOSED MAGNETIC PATH - A stator for a generator, comprises a coil support frame and a conductive wire unit arranged on the coil support frame, wherein the conductive wire unit comprises one basic conductive wire unit or a plurality of stacked basic conductive wire units, the basic conductive wire unit comprises a conductive wire layer and a magnetic-conducting sheet conformably stacked on and insulated from the conductive wire layer. A generator with closed-magnetic-path comprises a rotor and a stator, wherein the stator comprises the above conductive wire unit having a magnetic-conducting base plate, wherein the stator further comprises a magnetic yoke, the rotor comprises a transmission shaft, the conductive wire unit is fixedly connected in the magnetic yoke, at least a magnetic-conducting plate is coaxially connected on the transmission shaft, a magnet is connected on the magnetic-conducting plate, of which a magnetic pole is arranged towards the conductive wire unit. | 11-27-2014 |
20140346918 | MOTOR AND METHOD OF MANUFACTURING MOTOR - A stationary portion of a motor includes a stator core, insulators, and coils. The stator core includes a core back having an annular shape, and a plurality of teeth extending radially inward from the core back. A radially inner end portion of each tooth has a circumferential width substantially equal to or smaller than a circumferential width of a remaining portion of the tooth. The core back includes a protruding portion protruding radially inward between adjacent teeth, a cut extending radially outward from the protruding portion, and a through hole extending in an axial direction through the core back defined at a radially outer end portion of the cut. The protruding portion increases a radial dimension of the core back to achieve a reduction in magnetic reluctance in the vicinity of the cut. | 11-27-2014 |
20140368079 | MOTOR AND METHOD FOR ASSEMBLING THE SAME - Embodiments provide a method for assembling a motor. The method may include providing a first rotor, a second rotor and a stator; and assembling the first rotor, the second rotor and the stator such that the stator is arranged between the first rotor and the second rotor. | 12-18-2014 |
20150022046 | COIL STRUCTURE FOR ROTARY ELECTRIC MACHINE - A coil structure for a rotary electric machine includes phase coils for magnetic flux generation. Each of the phase coils includes a plurality of first element conductors, a plurality of second element conductors, a plurality of first crossover portions, and a plurality of second crossover portions. The plurality of second element conductors are provided in a plurality of second slots among slots. The second slots are provided in a circumferential direction of a stator at a pitch of a first predetermined interval. The second slots are shifted in phase by a second predetermined interval with respect to first slots in the circumferential direction of the stator. The first predetermined interval is set to be an interval equivalent to N times a unit pitch. The second predetermined interval is set to be an interval smaller than the first predetermined interval. | 01-22-2015 |
20150022047 | ROTARY ELECTRIC MACHINE - A rotary electric machine includes a three-phase coil including a first phase coil, a second phase coil, and a third phase coil for magnetic flux generation. A bridge conductor connecting an ath end and a bth end of the first phase coil, and a bridge conductor connecting the ath end and the bth end of the third phase coil are provided in a protruding shape on one side of a stator in a radial direction when viewed in a axial direction of the stator. A bridge conductor connecting the ath end and the bth end of the second phase coil is provided in a protruding shape on the other side of the stator in the radial direction when viewed in the axial direction of the stator. The bridge conductor of each coil in the three-phase coil is arranged at the same height position in the axial direction. | 01-22-2015 |
20150022048 | ROTATING ELECTRICAL MACHINE ARMATURE - Provided are an armature for rotary electric machine, an insulator therefor, and a coil winding device for winding a conductive wire on a tooth to which the insulator has been attached, wherein in each of all forward-wound coils and reversely-wound coils, a part wound on a first side surface of two side surfaces of each tooth that are opposed to the respective adjacent teeth forms a straight portion in which conductive wires in respective layers of the coil are parallel, a part wound on a second side surface forms a cross portion in which the conductive wire in an upper layer is wound in a crossed manner on the conductive wire in an adjacent lower layer, and an insulator has a guide for guiding the conductive wire along a base of an inner flange of the insulator at a first turn of each coil. | 01-22-2015 |
20150028715 | ROTARY ELECTRIC MACHINE - A rotary electric machine includes a stator in which a plurality of armatures each have a coil formed by a winding wire wound in plural layers around bobbins mounted to a magnetic pole tooth, which are disposed annularly on an inner circumference of a cylindrical frame. The coil is formed by the winding wire being wound with a constant feed pitch in parallel with slots of the bobbins in plural layers. The winding wire forming a first layer of the coil is shifted by half the feed pitch between a left side and a right side of a center axis of the coil as viewed from a plane perpendicular to a stacking direction of a stacked iron core. | 01-29-2015 |
20150035404 | ELECTRIC MOTOR - The electric motor includes a rotor and a stator, the stator having a conductive wire wound thereon via a stator core and insulators. The insulators include an annular outer peripheral wall portion with the conductive wire run on an outer periphery side of the peripheral wall portion, a plurality of winding body portions protruding radially from the outer peripheral wall portion, and an inner flange portion. The outer peripheral wall portion on the winding body portion side includes an outer peripheral surface formed in an arc shape. The radial thickness of the outer peripheral wall portion is increasingly greater toward the circumferential center of the winding body portions. | 02-05-2015 |
20150048710 | METHOD FOR PRODUCING ROTATING ELECTRICAL MACHINES - A method for producing rotating electrical machines having a motor coil produced in a cantilevered manner for motors or generators, wherein the coil already surrounds the inner part during the manufacturing process, i.e. is pre-assembled, and this is also used as an aid for coil shaping during the production of the coil, includes a first step, in which the motor coil is wound in a stepwide process between two end faces over the magnetic inner part and completely surrounds the inner part, a second step, in which the shaping of the motor coil is carried out by pressing the winding wires by moving the shaft with the surface of the inner part against the inner side of the motor coil, in particular by eccentrically rolling off of the latter and pressing it against an abutment, and a third step, in which the pressed motor coil is baked by way of applying heat. Also provided is a rotating electrical machine. | 02-19-2015 |
20150054375 | STATOR FOR ROTATIONAL ELECTRICAL MACHINE - A stator for a rotational electrical machine includes a cylindrical stator core and a stator winding. The stator core includes slots arranged at intervals in a circumferential direction. The slots pass through the stator core in an axial direction. The stator winding is obtained by joining together ends of U-shaped conductors inserted through the slots. A second insertion part is located away from a first insertion part in the circumferential direction and is inserted in its corresponding slot. A joining end part is joined to another U-shaped conductor at a joining position away from the insertion part in the circumferential direction. The joining end part includes a first bent part and at least one second bent part. The first bent part is bent near an opening of its corresponding slot. The second bent part is bent between the first bent part and the joining position. | 02-26-2015 |
20150069877 | Resin Composition for Electric Insulation and Its Hardened Products, as well as Coils, Stators, Rotary Machines, and High Voltage Equipment Using the Products - Disclosed is a resin composition for electric insulation which contains an epoxy resin; a hardening agent; and fine particles, in which the fine particles form a plurality of threadlike agglomerates and the agglomerates have a dendritic structure when the epoxy resin, the hardening agent, and the fine particles are mixed and hardened, a base material of the fine particle is formed of silicon dioxide, aluminum oxide, titanium oxide, or boron nitride, and hydrophilic groups and hydrophobic groups are present together on a surface of the base material. Thus improvement of the electric characteristics and the mechanical characteristics of the insulation material and suppression of viscosity of the resin composition are made compatible. | 03-12-2015 |
20150076953 | STATOR FOR ROTATING ELECTRIC MACHINE - A stator core with a plurality of slots circumferentially arranged therearound has a stator winding including three (UVW) phase windings, each phase winding having 4n parallel windings. The stator winding is formed of U-shaped conductor segments inserted in the slots from one axial end, a pair of open end portions of each conductor segment extending axially from of the stator core and being bent toward circumferentially opposite directions, the bent portions being star connected together. The plurality of slots have, for each phase winding, pairs of circumferentially adjacent slots, each slot having an even number of slot-received portions of the phase winding radially aligned in a column, and for each circumferential slot pairs, the slot-received portion in an m-th layer of each slot of the pair is electrically connected to the portion inserted in an (m+1)-th layer of a slot of a circumferentially adjacent slot. | 03-19-2015 |
20150091408 | STATOR STRUCTURE FOR ROTARY ELECTRIC MACHINE - In a stator constituting a rotary electric machine, a U-shaped first and second divided conductors are disposed at slots. The pitch of a pair of straight parts of the first divided conductor is set larger than that of a pair of straight parts of the second divided conductor. The second divided conductor is disposed on the inner side of the first divided conductor, more specifically, on the stator core side. | 04-02-2015 |
20150102696 | ARMATURE, ROTATING ELECTRICAL DEVICE, AND ARMATURE MANUFACTURING METHOD - An armature provided with: plural core configuration members that configure an armature core and are segmented from each other on progression along the circumferential direction of the armature core; plural insulators that each include plural insulating portions mounted to the core configuration members and a coupling portion that couples the plural insulating portions together; plural windings that respectively include plural winding portions, wound on the core configuration members with the insulating portions interposed between the winding portions and the core configuration members, and a crossing wire that connects the plural winding portions together; a fitting portion that couples together adjacent core configuration members out of the plural core configuration members; and an exposing portion that is formed to the plural insulators and exposes the fitting portion when viewed along the axial direction of the armature core. | 04-16-2015 |
20150123509 | COIL, ROTATING ELECTRICAL MACHINE, AND METHOD OF MANUFACTURING COIL - A coil includes a wound body and a resin covering. The wound body is configured by winding a conductor. The wound body is pressure-moulded. The resin covering covers a surface of the wound body. | 05-07-2015 |
20150130320 | STATOR OF ELECTRIC MOTOR PROVIDED WITH COIL FASTENING PART, ELECTRIC MOTOR, AND FASTENING METHOD OF UNIT COIL - A coil fastening part in a stator of the present invention can be turned about its axis of rotation in a gap between an end face of a tooth and an inner circumferential surface of a unit coil and has a noncircular shape cross-section vertical to its axis of rotation. The noncircular shape cross-section of the coil fastening part has a first dimension which is represented by a first line segment which intersects its axis of rotation and a second dimension which is represented by a second line segment which intersects its axis of rotation, is different from the first line segment, and is larger than the first dimension. The coil fastening part is arranged in the gap in a state where the second line segment is aligned with the height direction of the gap and pushes against both the end face and the inner circumferential surface to thereby fasten the unit coil to a tooth. | 05-14-2015 |
20150303760 | GEARLESS DRIVE FOR A ROTATING ELECTRICAL MACHINE - A gearless drive for a rotating electrical machine comprises a rotor in the form of a hollow rotatable body and having an axis of rotation and a stator surrounding the rotor. A plurality of pole bodies are independently mounted circumferentially around the rotor by a pole mounting arrangement. The stiffness of the pole mounting arrangement in the radial direction is greater than the stiffness of the pole mounting arrangement in the circumferential direction. | 10-22-2015 |
20150311757 | ARMATURE COIL AND METHOD OF MANUFACTURING THE SAME - In an armature coil according to the present invention and, more particularly, in an armature coil including a plurality of coil conductors wound around a plurality of slots which are formed in a stator core and opened on the radially inner side, the circumferential width of the plurality of the coil conductors is formed in a substantially trapezoidal shape which gets narrower toward the radially inner side and the cross-sectional areas of the plurality of the coil conductors in the slot are each substantially the same and the circumferential width thereof is formed narrower as the coil conductor is arranged toward the radially inner side; and one coil conductor is formed in a convex shape and another coil conductor is formed in a concave shape along the convex shape. | 10-29-2015 |
20150340914 | ROTARY MACHINE AND ELECTRIC VEHICLE - The rotary machine includes a rotor rotatably provided and a resin-molded stator. The stator includes a stator core, a coil, and a mold portion. A tooth portion in the stator core includes first and second facing portions. The first facing portion includes a first facing surface where an air gap with the rotor becomes a first distance. The second facing portion is integrated with the first facing portion in the circumferential direction centered at the rotation axis of the rotor, and includes a second facing surface where the air gap becomes a second distance wider than the first distance. The second facing portion includes a groove portion on the second facing surface. The mold portion includes a first mold portion. The first mold portion covers the second facing portion, is provided at the groove portion, and includes a third facing surface where the air gap becomes the first distance. | 11-26-2015 |
20150349588 | Rotating Electrical Machine - Provided is a bearing electrolytic corrosion countermeasure technology achieving excellent reliability without increasing the number of components. A rotating electrical machine of the invention includes: a stator; a shaft penetrating the stator; a rotor facing the stator via a gap in an axial direction; and a housing holding the stator, in which: the stator includes, in a circumferential direction, a plurality of stator units each of which includes a grounded first conductive member, a core, a bobbin, and a winding wound around the bobbin; the bobbin has a flange portion provided between the winding and the rotor; the first conductive member is provided between the flange portion and the rotor and is in contact with the core, and, in a case where projection is performed in the axial direction, the winding is provided such that a projected portion of a part of the winding wound around the bobbin is within a projected portion of the flange portion; and the first conductive member is provided such that the projected portion of the first conductive member is included in the projected portion of the flange portion. | 12-03-2015 |
20150364977 | STATOR, STATOR MANUFACTURING METHOD, AND ROTARY ELECTRIC MACHINE - A flat wire ( | 12-17-2015 |
20150372552 | THREE-PHASE ALTERNATING CURRENT ELECTRIC MOTOR PROVIDED WITH STRUCTURE REDUCING TORQUE RIPPLE - A three-phase alternating current electric motor wherein when a number of pole pairs of a rotor is P and a number of slots in which stator windings are inserted is N, N/(6P) becomes an irreducible fraction with a value of a denominator of 4 or more and wherein the relation of N>3P stands, in which the motor, for the layout of one layer of windings arranged in the slots, the UVW three-phases are arranged so as to have rotational symmetry of ±120 degrees in terms of mechanical angle from each other and, for the layout of the second layer, the windings are arranged reversed in direction by 180 degrees in electrical angle from the phases of the first layer of windings which have rotational symmetry and offset by M number of slots from the first layer, where T is a particular odd number for the relationship of 4/35≦|T−2PM/N|≦ 8/35 is given. | 12-24-2015 |
20150372575 | HIGH SPEED INDUCTION MACHINE WITH FRACTIONAL-SLOT TOOTH-COIL WINDING - A high speed induction motor assembly comprising a solid, multilayer rotor and a stator core with a fractional-slot tooth-coil winding is provided. The ratio of slots number per pole and phase is sub-unitary. The rotor includes a solid ferromagnetic core coated with a layer of copper. Due to the permeability of the copper material coating the solid rotor core, the motor assembly may have an effective radial magnetic air-gap that is larger than its mechanical radial air gap, which is defined between the inner surface of the stator core and the outer surface of the copper layer coating the solid rotor core. | 12-24-2015 |
20150380991 | ELECTRIC MACHINE HAVING A SEGMENTED STATOR AND TWO-LAYER WINDING - Electric machine has a rotor movable relative to a stator divided into stator segments, each having first and second transition regions and a central region between the transition regions. The stator segment has a yoke extending over the central region and the first transition region. Central groove webs in the central regions and first transition webs in the first transition regions extend from the yoke towards the rotor. The first transition webs end below the central groove webs. The stator segment has in the second transition region a transverse web from which second transition webs extend towards the rotor. The second transition webs end level with the central groove webs. A spacing of the first transition webs from the rotor at least corresponds to a spacing of a lower edge of the transverse web. Transition regions of adjoining stator segments overlap one another and are disposed one above the other. | 12-31-2015 |
20150381001 | ROTARY ELECTRIC MACHINE - The armature winding is configured by mounting into slot pairs n types of winding bodies that are each configured by winding a conductor wire for m turns into a helical shape, where m is a natural number that is greater than or equal to two, the n types of winding bodies have different spacings between rectilinear portions that are linked by coil ends, are housed in n adjacent pairs of slot pairs, and are configured so as to be concentric, the coil ends include a top portion at an approximately central portion, and the radial displacement at the top portion is approximately a×d, where a is a natural number that is greater than or equal to 1 and less than or equal to (m−1), and d is a radial thickness of the rectilinear portions that are housed inside the slots. | 12-31-2015 |
20160006308 | Wound Stator for Alternating-Current Generator - The present invention relates to a wound stator. The wound stator comprises: a stator and a plurality of wires. The stator comprises: an annular body and a plurality of radial grooves defined therein. The annular body has a plurality of separating posts protruding inwardly and radially from an inner circumference of the annular body. An end of each of the separating posts extends from its two sides to form a plurality of magnetic shoes. The plurality of radial grooves is defined between the separating posts. Each of the grooves has an opening defined between adjacent two of the plurality of magnetic shoes. The plurality of wires comprises: a first end, a second end, and a plurality of wave-shaped coils located between the first end and second end. Each wave-shaped coil is formed of straight portions and curved portions that alternate with each other. | 01-07-2016 |
20160006309 | Vehicle Alternating-Current Generator - The present invention relates to a vehicle alternating-current generator. The vehicle alternating-current generator comprises a wound stator and a rotor. The wound stator comprises: a stator and a plurality of wires. The stator has a plurality of radial grooves arranged at an inner circumference of the stator. Each of the plurality of wires comprises: a first end, a second end, and a plurality of wave-shaped coils located between the first end and second end. Each wave-shaped coil is formed of straight portions and curved portions that alternate with each other. The straight portions of each wire are sequentially embedded in corresponding grooves of the stator, so that each of the grooves is embedded with the wires. | 01-07-2016 |
20160006310 | Wound Stator and Wires for the Same - The present invention relates to a wound stator and wires for the same. The wound stator for an alternating-current generator comprises: a stator, having a plurality of radial grooves arranged at an inner circumference of the stator; and a plurality of wires for the stator. Each wire comprises: a first end, a second end, and a plurality of wave-shaped coils located between the first end and second end. Each wave-shaped coil is formed of straight portions and curved portions that alternate with each other. The straight portions of each wire are sequentially embedded in corresponding grooves of the stator so that each of the grooves is embedded with the wires. | 01-07-2016 |
20160013691 | BUS BAR UNIT | 01-14-2016 |
20160013692 | STATOR WINDING ASSEMBLY | 01-14-2016 |
20160013693 | STRAND LAYOUT FOR REDUCED AC WINDING LOSS | 01-14-2016 |
20160013694 | DEEPLY NESTED COIL ARRAYS FOR MOTORS AND GENERATORS | 01-14-2016 |
20160027559 | MANUFACTURING METHOD OF ASSEMBLY CONDUCTOR, AND ELECTRIC MOTOR PROVIDED WITH ASSEMBLY CONDUCTOR - An assembly conductor manufacturing method includes aligning, around a center strand, a plurality of peripheral strands, each having at least two side surfaces, one of which opposes an adjacent peripheral strand on one side in a circumferential direction and the other of which opposes an adjacent peripheral strand on the other side in the circumferential direction, so as to form an assembly conductor in which the center strand and the peripheral strands are aligned; twisting the plurality of peripheral strands around the center strand that forms the assembly conductor; and plastic forming the twisted assembly conductor into a substantially rectangular sectional shape. The peripheral strand provided with the two side surfaces has a sectional shape in which a width between the side surfaces becomes narrower toward the center strand. | 01-28-2016 |
20160028286 | BUS BAR UNIT - At least one bus bar, out of a plurality of bus bars of a bus bar unit, includes: a bent main body part that bends and extends across a first stacked position and a second stacked position, the positions being separated in the axial direction of the stator; a first arc-shaped main body part that extends from one end of the bent main body part to be arranged next to another bus bar at the first stacked position along a circumferential direction of the stator; and a second arc-shaped main body part that extends from other end of the bent main body part to be arranged next to another bus bar at the second stacked position along the circumferential direction of the stator. | 01-28-2016 |
20160036282 | Coil, Rotating Electrical Machine Equipped with Same, and Method for Manufacturing Same - Provided are a coil having excellent insulation properties, a rotating electrical machine equipped with the same, and a method for manufacturing the same. The coil ( | 02-04-2016 |
20160036283 | COIL FOR LOW-VOLTAGE INVERTER DRIVE MOTOR - The present invention provides a coil for a low-voltage inverter drive motor having insulation performance preventing the insulation breakdown even when partial discharge occurs within the warranty period of the motor. The coil is used for a low-voltage inverter drive motor that is driven at a low voltage of less than AC 700 V by an inverter power supply, the coil is formed of an insulated wire, and a total discharged charge amount discharged until an expiration of the warranty period is less than 10 C/mm | 02-04-2016 |
20160043602 | Structures Utilizing a Structured Magnetic Material and Methods for Making - A motor comprises a stator comprising at least one core; a coil wound on the at least one core of the stator; a rotor having a rotor pole and being rotatably mounted relative to the stator; and at least one magnet disposed between the rotor and the stator. The at least one core comprises a composite material defined by iron-containing particles having an alumina layer disposed thereon. | 02-11-2016 |
20160049841 | COIL FOR AXIAL FLUX PM-MOTOR - The present publication relates to one or more coils for axial flux PM-motor according to the description where the coil(s) are made up of coil elements of lap type with slots where the coil element is manufactured by casting, or a combination off milling or punching and water cutting or wire cutting or similar. It is also made slots | 02-18-2016 |
20160056693 | ELECTRIC MACHINE, CONDUCTOR GUIDE AND ASSOCIATED METHOD - An electric machine is provided. The electric machine includes a rotor and a stator. The stator includes a plurality of teeth and a plurality of windings. Each of the plurality of windings is positioned around at least one of the plurality of teeth. The electric machine further includes a leakage current shielding system. The leakage current shielding system includes a plurality of leakage current shields. Each of the current shields includes a body portion thereof which is positioned between the plurality of teeth and the plurality of windings. Each of the leakage current shields also includes a connecting portion that extends from the body portion. The leakage current shielding system also includes a plurality of connectors. Each of the plurality of connectors is adapted for receiving the connection portion of the leakage current shield. The leakage current shielding system also includes a connecting ring for securing the plurality of connectors. | 02-25-2016 |
20160072343 | AXIAL FLUX MACHINE HAVING A LIGHTWEIGHT DESIGN - An electrical axial flux machine including a rotor shaft is provided. The rotor shaft is rotatable about an axis of rotation. Two rotors are arranged on the rotor shaft. The two rotors are spaced apart when viewed in aa direction of the axis of rotation. The axial flux machine further includes a stator arranged between the two rotors when viewed in the direction of the axis of rotation. The stator includes stator teeth. Each of the stator tooth extends in the direction of the axis of rotation between two end regions. The stator teeth are arranged and distributed uniformly around the axis of rotation at a radial spacing from the axis of rotation and include a stator winding system. At least one ring structure is provided connecting the two end regions of the stator teeth. A housing further surrounds the stator radially on the outside. | 03-10-2016 |
20160087501 | RELUCTANCE ARMATURE - A reluctance armature includes a shaft received in a shaft hole in a torsion-proof manner. At least one carrier body is disposed around the shaft and has radial sides as viewed in a circumferential direction. Part segments are arranged on the radial sides of the carrier body and made of anisotropic soft-magnetic material to thereby establish an armature segment which, as viewed in an axial direction, is disposed between two edge elements and forms a central section. | 03-24-2016 |
20160094101 | ROTATING ELECTRICAL MACHINE AND METHOD OF MANUFACTURING THE SAME - A rotating electrical machine includes a stator and a rotor rotatably mounted on the stator. The stator includes a plurality of slots into which coils are insertable, a plurality of types of unit coils inserted into the slots at slot pitches differing for every type of unit coil, and a plurality of coil groups formed by arranging the unit coils in a lap winding so that the unit coils are overlapped in a radial direction of the stator. The coil groups have the same arrangement configuration before insertion into the slots and are inserted into the slots so as to be shifted from each other by a predetermined slot pitch. | 03-31-2016 |
20160111928 | Motor Winding Assembly - The present invention provides a motor winding assembly including a flexible base plate and a winding assembly. The flexible base plate includes a plurality of supports. A bridge is connected between adjacent two of the plurality of supports. Each of the plurality of supports has a center, and the flexible base plate has a reference line extending through the centers of the plurality of supports. The bridge is not located on the reference line. The winding assembly includes a plurality of winding units. Each of the plurality of supports is provided with at least one winding unit. An electrical path is located on the bridge between the adjacent two of the plurality of supports and electrically connected to the winding units of the adjacent two of the plurality of supports. In this arrangement, the total length of the flexible base plate is reduced. | 04-21-2016 |
20160118852 | ELECTRIC MOTOR, COMPRESSOR INCLUDING THE SAME, AND METHOD OF MANUFACTURING ELECTRIC MOTOR - In an electric motor, an n-th layer of windings includes: a first winding portion wound from a radially outer side of the stator to a radially inner side of the stator so as to form a gap dimensioned to one pitch or more of the windings at a preset position; and a second winding portion wound from the radially inner side of the stator to the radially outer side of the stator in a continuous manner from the first winding portion so as to fill in the gap, the second winding portion crossing the first winding portion. The gap is formed at a position that is at an intermediate portion of the tooth in a stator radial direction and that is a position at which the windings switch from the n-th layer to an (n+1)th layer. | 04-28-2016 |
20160118854 | STATOR WITH COIL FIXING MEMBER AND ELECTRIC MOTOR WITH THE STATOR - A stator includes: a stator core having a yoke and teeth projecting from the yoke; coils attached to the stator core so as to surround the teeth; and coil fixing members, each of which is arranged at at least one of opposite ends of the stator core in a gap formed between an end face of the tooth and an inner side of the coil facing the end face. The coil fixing member includes a locking part that projects on the opposite side from the end face of the tooth to lock the coil and a projection that projects on the opposite side from the locking part, and the projection is inserted into an insert hole formed on the stator core. | 04-28-2016 |
20160141932 | ELECTRIC WORKING MACHINE - The present application discloses an electric working machine. The electric working machine includes a motor including a stator. The stator includes: a stator core haring a plurality of tooth portions radially extending along a radial direction; and a first coil, a second coil, and a third coil wound on the tooth portions. A start end of the first coil and a finish end of the second coil, a start end of the second coil and a finish end of the third coil, and a start end of the third coil and a finish end of the first coil are led out within a range of 200 degrees from the stator. | 05-19-2016 |
20160149455 | ARMATURE WINDING OF ROTATING ELECTRICAL MACHINE - According to one embodiment, there is provided a 3-phase 2-pole 2-layer armature winding, housed in 72 slots provided in a laminated iron core, a winding of each phase including six parallel circuits separated into two phase belts. Upper coil pieces of first and fourth parallel circuits are placed at 3rd, 4th, 7th, and 12th positions, and lower coil pieces of the first and fourth parallel circuits are placed at 1st, 6th, 9th, and 10th positions, upper and lower coil pieces of second and fifth parallel circuits are placed at 2nd, 5th, 8th, and 11th positions, and upper coil pieces of third and six parallel circuits are placed at 1st, 8th, 9th, and 10th positions, and lower coil pieces of the third and six parallel circuits are placed at 3rd, 4th, 7th, and 12th positions, from the center of a pole. | 05-26-2016 |
20160156240 | STATOR WINDING FOR ROTARY ELECTRIC MACHINE, STATOR FOR ROTARY ELECTRIC MACHINE, METHOD OF MANUFACTURING STATOR FOR ROTARY ELECTRIC MACHINE, AND JIG USED IN MANUFACTURING STATOR FOR ROTARY ELECTRIC MACHINE | 06-02-2016 |
20160156241 | METHOD FOR PRODUCING A DYNAMOELECTRIC ROTARY MACHINE, AND DYNAMOELECTRIC ROTARY MACHINE | 06-02-2016 |
20160156255 | DOUBLE STATOR AND MOTOR COMPRISING SAME | 06-02-2016 |
20160164358 | WINDING FOR A ROTATING ELECTRICAL MACHINE AND METHOD FOR DESIGNING SUCH A WINDING - The invention provides a winding ( | 06-09-2016 |
20160164359 | STATOR WINDING PATTERN FOR HAIRPIN DRIVE MOTOR - A stator winding pattern of a hairpin drive motor includes a stator with 8 poles and 48 slots of a distribution winding where a hairpintype of flat coil is inserted into a slot of a stator core and configured by a full pitch winding implementing 6 pitches of 3 phases and 2 in parallel, the pitch being a distance between adjacent slots, characterized in that: first to fourth layers are formed in the slot of the stator core in a radial direction of the stator core; and when a first layer or a fourth layer is set as a draw out part of one phase in an optional reference slot, a first draw out part of a different phase is formed in a draw out slot having 28 pitches in a slot forward direction in a same layer based on the reference slot, and a second draw out part of the different phase is formed in a draw out slot having 20 pitches in a slot reverse direction in the same layer based on the reference slot. | 06-09-2016 |
20160164360 | STATOR WINDING PATTERN FOR HAIRPIN DRIVE MOTOR - A stator winding pattern of a hairpin drive motor includes a stator with 8 poles and 48 slots of a distribution winding where a hairpin-type of flat coil is inserted into a slot of a stator core and configured by a full pitch winding implementing 6 pitches of 3 phases and 2 in parallel, the pitch being a distance between adjacent slots, characterized in that: first to fourth layers are formed in the slot of the stator core in a radial direction of the stator core; and when a first layer or a fourth layer is set as a draw out part of one phase in an optional reference slot, a first draw out of a different phase is formed in a draw out slot having 16 pitches in a slot forward direction in a same layer based on the reference slot, and a second draw out of the different phase is formed in a draw out slot having 32 pitches in the slot forward direction in the same layer based on the reference slot. | 06-09-2016 |
20160164362 | COIL FOR A COMPRESSOR WHICH CAN BE ELECTRICALLY DRIVEN, AND CORRESPONDING PRODUCTION METHOD - A method for producing a coil of a compressor ( | 06-09-2016 |
20160172919 | STATOR FOR ROTARY ELECTRIC MACHINE AND METHOD FOR MANUFACTURING THE SAME | 06-16-2016 |
20160190884 | STATOR FOR ROTARY ELECTRIC MACHINE - Small coil groups are each configured by connecting a plurality of winding bodies in series by passing crossover portions that are formed by bending first conductor terminals radially outward axially outside a coil end and joining the crossover portions to second conductor terminals that are subject to joining, the first conductor terminals that constitute first ends of the small coil group are disposed so as to be spaced apart from each other circumferentially around a radially inner side of a circular arc-shaped region that extends circumferentially around the coil end, the second conductor terminals that constitute second ends of the small coil group are arranged so as to be spaced apart from each other circumferentially around a radially outer side of the circular arc-shaped region of the coil end, and a stator winding is produced by connecting the small coil groups within the circular arc-shaped region. | 06-30-2016 |
20160254710 | Radial Flux Alternator | 09-01-2016 |
20160254718 | SEGMENT CONDUCTORS, STATOR, ROTATING ELECTRICAL MACHINE, AND VEHICLE AND METHOD OF MANUFACTURING THE SEGMENT CONDUCTORS | 09-01-2016 |
20170237321 | Stator of Rotary Electric Machine | 08-17-2017 |
20180022897 | Insulating Tapes For A Coil And Wrapping Tape Insulation Systems For Electric Machines | 01-25-2018 |
20190149005 | STATOR OF ROTATING ELECTRIC MACHINE | 05-16-2019 |
20220140684 | STATOR WINDING ARRANGEMENT - An electrical machine for use in an aircraft, including a rotor. The rotor includes a plurality of rotor poles, and a stator including a plurality of phases. Each respective phase occupies at least one elementary block and the at least one elementary block of each phase includes a set of conductors of the respective phase wound around a plurality of slots of the respective elementary block in a concentrated winding configuration. A mechanical shift angle between the respective concentrated windings of each pair of adjacent elementary blocks is greater than a rotor pole pitch. The rotor pole pitch is an angle between adjacent poles of the rotor. | 05-05-2022 |