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7622843 |
Terminals and connections between multi-set segmented hairpin windings
An electric machine is disclosed herein comprising a core with a plurality of slots, the core including an insertion side and an opposing side. A winding arrangement is provided in the plurality of...
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7622842 |
Rotary electric machine and stator for rotary electric machines
In a rotary electric machine, output ends of first and second three-phase windings of first and second sets included in a first group are separated from those of third and fourth three-phase...
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7615904 |
Brushless high-frequency alternator and excitation method for three-phase AC power-frequency generation
A method is disclosed for arranging and exciting the stator, rotor and various windings of a multi-stage brushless high frequency alternator so that the resulting multiple high frequency sub-phase...
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7605515 |
Variable reluctance dynamo-electric rotary machine provided with united magnetic, electric and polarising circuits and method for production thereof
A monophase transverse circuit has two rows of cylindrical air gaps which are provided with conductors between terminal pairs, the terminal pairs are rotated at a quarter turn in order, a coil in...
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7605514 |
Electric machine
In a rotating electric machine including a field pole unit having ten magnetic poles (P=10) and an armature having twelve teeth (Q=12), armature coils are wound around the successive teeth with...
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7605513 |
Electric tool having electric motor with first and second coils having first and second coil bundles of different innermost peripheral length
A first coil includes a first inner-coil bundle and a first outer-coil bundle. The first outer-coil bundle is positioned radially outwardly of the first inner-coil bundle in a radial direction of a...
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7600311 |
Method for producing a magnetically excitable core comprising a core winding for an electric machine
A method for producing a magnetically excitable core for an electrical machine, by which in a method step (S 1 ), the core, having a substantially parallelepiped shape with slots extending parallel...
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7586229 |
Continuous rotary motor
A motor includes a ferromagnetic member with first and second portions, a conductive wire wrapped around the first portions of the ferromagnetic member, and at least one magnet rotatably coupled to...
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7583000 |
Starting system for salient-poled-rotor electric motor
A starting system and method for starting a salient-poled-rotor electric motor having a stator with a plurality of spaced salient poles, a plurality of field coils of unchanging polarity, and a...
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7582999 |
Electric machine having a magnetically inducible core
An electric machine which includes a magnetically inducible core ( 60 ), at least three elongated first, second and third current carrying conductors ( 64 - 66 ) passing through a respective...
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7578047 |
Methods of stitching interconnecting wires on a stator to reduce phase-on-phase conditions
A method of stitching a plurality of interconnect wires on a stator of an electromagnetic machine is disclosed. The stator includes a plurality of discrete and individually wound stator segments...
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7576507 |
Motor battery systems
A combined motor-battery system comprising an electric power source adapted to convert self-originating electrical current to mechanical power utilizing a set of common functional structures....
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7569966 |
Rotating electrical machine and coil
A stator coil, being a rectangular coil, is wound on a salient pole, striding across a plurality of slots, while being inserted sequentially through the inlet of a predetermined slot of the stator...
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7569962 |
Multi-phase brushless motor with reduced number of stator poles
An A-phase brushless motor, where A is an integer greater than or equal to 2, includes a stator and a rotor. The stator has q stator poles, where q is an integer greater than or equal to A. The...
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7567005 |
Long stator motor
A long stator motor, particularly for driving a magnetic levitation transport system, includes a stator iron, inside of which grooves for accommodating cable windings are provided. At least two...
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7564159 |
Structure of automotive alternator
An automotive alternator has a stator winding that is made up of a plurality of U-shaped conductor segments wound through slots in a stator core. Each of the U-shaped conductor segments is...
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7560835 |
Electrical induction machine and primary part
A primary part of an electrical induction machine, especially a synchronous motor or a linear motor, includes a plurality of modules which each have teeth situated in a row having at least...
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7554238 |
Multi-winding motor with reduced impedance unbalance
The present invention provides a multi-winding motor. Two three-phase exciting windings Sa, Sb are wound on each of the magnetic pole sections of divided cores 9 . Two kinds of discrete winding...
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7550953 |
Coarse voltage regulation of a permanent magnet generator (PMG)
A permanent magnet generator voltage regulation system controls the output voltage of a permanent magnet generator. The output voltage of the permanent magnet generator is controlled by configuring...
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7545125 |
Generator for a motor vehicle having a B12 rectifier
The present invention relates to a six-phase generator for a motor vehicle having two three-phase systems displaced with respect to one another by 30°, the phase windings of one of the three-phase...
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7545063 |
Wire-connection structure of motor
In a wire-connection structure of a motor, bus rings each formed by a bent wire material into a substantially annular shape and arranged along a stator includes: a plurality of large diameter...
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7535328 |
Electromagnetic switch
In an electromagnet switch, a stationary iron core is composed mainly of a base part and a disk part. The base part is faced to a plunger and the disk part is forcedly inserted and fixed to a boss...
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7525231 |
Stator used for recording disk driving motor, recording disk driving motor, and recording disk driving device
The wire winding height of the first teeth over which the head portion moves is lower than the wire winding height of the second teeth over which is out of the moving range of the head portion. The...
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7525230 |
Air core motor-generator
A brushless motor-generator includes a rotor having a ferromagnetic tube with radially polarized, alternating polarity permanent magnet poles, and an air core armature that magnetically exerts...
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7523538 |
Method for mounting a gradient coil in a cylindrical magnet of a magnetic resonance system
Method for mounting a gradient coil in a cylindrical magnet of a magnetic resonance system and associated magnetic resonance system, wherein the exterior of the gradient coil is foam-bonded flat...
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7521828 |
Segment connection type electric rotating machine
The segment connection type electric rotating machine includes a stator coil constituted by phase coils each of which includes a U-shaped segment continuum formed by U-shaped conductor segments...
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7513029 |
Tool for manufacturing coils for dynamoelectric machines and method therefor
A tool and method for winding and forming a field coil for field assembly, such as a stator, includes separable tool halves defining a winding cavity therebetween. The winding cavity receives...
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7511396 |
Moving material electric control device
A motor comprises a yoke as casing, a shaft extending along a center of the yoke, an annular stator fixed to the yoke and an armature fixed to the shaft to rotate with the shaft inside the stator....
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7508107 |
High current rotating exciter
A rotor for an exciter to be used to energize the field winding of a generator-rotor of a generator, the rotor defining an axis and including at least two conductor bars aligned substantially...
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7501729 |
Three-phase magnetic generator
A terminal plate set has multiple terminal plates and fitting legs. Each terminal plate has a transverse bar portion and a longitudinal bar portion. If the fitting legs of the terminal plate set...
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7495363 |
Maximum conductor motor and method of making same
A stator assembly is provided for a multi-phase motor. The stator assembly includes a stator with a plurality of teeth and a plurality of slots defined between the teeth. In addition, the stator...
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7489058 |
Connection arrangement for the stator winding of a turbo machine having two or more parallel circuits
In a connection arrangement ( 10 ) for the stator winding of a turbo machine with two or more parallel circuits of individual conductors ( 26, 29 ) per phase, the individual conductors belonging to...
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7476997 |
Travelling field machine
A travelling field machine with a stator and a rotor which are separated by an air gap and each of which comprises at least one stator coil or one rotor coil, with the stator or the rotor,...
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7476995 |
Central power distributing member for a brushless motor, a brushless motor provided therewith and a method of assembling it
A busbar ( 10 ) has a plurality of straight portions ( 14 ) circumferentially arranged at intervals. Several such busbars ( 10 ) are tied at a plurality of circumferential spaced positions by...
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7462971 |
Armature winding, method for manufacturing armature winding, and slotless motor
A first armature winding and a second armature winding each include a tubular member, a first conductor arranged in a radially inner side of the tubular member, and a second conductor arranged in a...
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7459824 |
High torque repulsion motor
A high torque AC motor of the repulsion type that includes at least four stator poles and an armature with chordally oriented windings. The armature windings are cyclically shorted and opened in...
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7439645 |
Stator arrangement of a rotary electric machine having lead wires in sagging contact with the stator winding
In a stator of a rotary electric machine that includes a stator winding and a stator core having a plurality of slots, the stator winding is constituted of a plurality of series-connected regular...
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7432626 |
Dynamoelectric machine having reduced magnetic noise and method
An automotive alternator including a rotor having a plurality of poles; a plurality of phases in operable communication with the plurality of poles; and a stator core in operable communication with...
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7432625 |
Armature of motor
An armature for use in a motor has a plurality of teeth, a plurality of slots and coils of three kinds of phases. A plurality of the slots is formed between the coadjacent teeth. The coils of three...
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7432622 |
Method for the wireless and contactless transport of energy and data, and corresponding device
In installations including fixed and mobile structural elements and a rotary current motor as a drive, the rotary current motor can be used for the wireless transmission of both energy and/or data....
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7432610 |
Wind power installation with ring generator having a stator with groves to receive a stator winding
A wind power installation has a (ring) generator which has a stator in which grooves are provided at the inner or outer periphery in mutually spaced relationship to receive a stator winding. In...
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7430796 |
Method for winding the stator of a multiphase electric motor
In a method for winding the stator of a multiphase electric motor a plurality of mutually spaced stator teeth are assigned to each phase, wherein all the teeth of the stator are wound without a...
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7427845 |
Segmented switched reluctance electric machine with interdigitated disk-type rotor and stator construction
The present invention relates to a unipolar current electrical machine operable as a switched reluctance motor, comprising a motor structure and a control unit. The motor structure comprises a...
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7420307 |
Brushless motor
The invention relates to a brushless DC motor having an at least two-pole permanent magnet rotor and an at least two-pole stator whose poles carry an at least single-strand stator winding which can...
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7402934 |
High performance air core motor-generator winding
A motor-generator for converting between electrical and rotational energy includes a rotor mounted for rotation about an axis of rotation relative to a stationary a stator that magnetically...
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7391141 |
Electrical-discharge-inhibiting conformable layer for use in inner-cooler coils
A conformable layer ( 14 ) for inhibiting electrical discharge between vent tubes ( 16 ) and strands ( 12 ) in an inner-cooled coil ( 5 ). The conformable layer comprises a resistive inner core (...
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7389576 |
Method of manufacturing micro flux gate sensor
A method of manufacturing a micro flux gate sensor that has a good electrical connection and can be easily manufactured includes operations of forming a metal pattern, forming a first insulation...
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7385331 |
Stator for electric machines
The stator for electrical machines has stator slots that are open radially inward, at least some of which contain coils made from round wire and have side walls ( 10, 12 ) of equal length that each...
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7382075 |
End cap for segmented stator
A stator for an electromagnetic machine includes a plurality of discrete and individually wound stator segments having end caps positioned on the segments. The end caps have legs for positioning...
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7382073 |
Rotor of electric rotating machine and manufacturing method thereof
A rotor 1 of an AC generator for vehicle according to the invention in which a conductor 6 is wound around a spool 5 in multi-rows and multi-layers is characterized in that gaps between the...
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