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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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 (...
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...
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...
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...
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...