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7141908 |
Rotating electrical machine
In a rotating electrical machine a stator winding is formed of flexible cables inserted in an open stator in the stator core. The stator slots extend from a radially outermost yoke part of the...
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7129612 |
Stator assembly with cascaded winding and method of making same
A stator assembly for a dynamoelectric machine featuring a cascaded construction includes several conductors, each having a plurality of slot segments interconnected by plurality of end loop...
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7126246 |
Rotary electric machine with stator having an annular array of poles
Coils in respective poles are all wound in the same shape. The coils are wound such that one of the winding ends in a predetermined layers, for a single turn, is passes to an adjacent layer, or...
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7126247 |
Concentrated winding stator coil for an electric rotary machine
A concentrated winding stator coil of a proximal end extraction type two-layer winding arrangement includes numerous tooth coils which are connected in series to arrange serial coil units and also...
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7109625 |
Conductor optimized axial field rotary energy device
The present invention provides an axial rotary energy device which is arranged in a multi-phase electric current configuration. The device includes a rotor having a plurality of permanent magnet...
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7098566 |
Axial gap electrical machine
An axial gap electrical machine employs unique architecture to (1) overcome critical limits in the air gap at high speeds, while maintaining high torque performance at low speeds, while...
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7091645 |
Concentrated-winding type stator coil unit for rotary electric machine
A concentrated-winding type stator coil unit for a rotary electric machine is provided with a stator core having a core back and teeth protruding from the core back. Plural coils are wound around...
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7091644 |
Sequentially joined-segment armature and ac machine using same
A sequentially joined segment armature coil is provided which may be employed in an ac machine such as an ac motor or motor generator. The armature coil is equipped with three phase coils each of...
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7088027 |
Rotating asynchronous converter and a generator device
The present invention relates to a rotating asynchronous converter and a generator device. The converter comprises a first stator connected to a first AC network with a first frequency f 1 , and a...
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7084541 |
Stator coil made of joined conductor segments for rotary electric machinery and method for manufacturing the same
A stator core that includes electrical insulation between a small conductor segment and large conductor segment which forms stator coils inserted into slots of the stator core of a driving motor...
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7064470 |
Three-phase motor
A three-phase motor having a stator in which the dimensions of protrusion of coil end parts in winding coils of individual phases can be equalized as much as possible and in which the overall...
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7061133 |
Wind power plant
The magnetic circuit of a generator in a wind power plant is arranged to directly supply a high supply voltage of 2-50 kV, preferably higher than 10 kV. The generator is provided with solid...
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7053515 |
Rotor for dynamo-electric machine
The present invention provides a rotor for a rotary electric machine that suppresses the occurrence of winding disturbances in the process of winding a coil wire and has a coil field having a...
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7045924 |
Bobbinless high-density armature having no substrate, and rotor using the same
A miniaturized rotor is provided for improving the efficiency of an engine by using a bobbinless high-density armature without using a substrate which interferes with magnetic force.
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7042129 |
Stator of a rotary electric machine having secured core slot insulators
A stator of a rotary electric machine having secured core slot insulators includes a multi-phase stator winding, having a plurality of slot segments that are adapted to be radially inserted into a...
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7038346 |
Stator winding with coated insulation film arrangement for a rotary electric machine
A vehicle rotary electric machine includes a rotor, a stator having a stator core and a stator winding mounted in the stator core and a pair of frames for supporting the rotor and the stator. The...
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7030523 |
Vibration motor
A vibration motor includes: a lower case provided with a lower board; an upper case coupled with the lower case; a four-pole magnet provided on the lower case; a shaft supported between the lower...
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7007371 |
Method of manufacturing a magnetic strip magnet speed ring
A method of manufacturing a speed ring in a continuous process using a magnetizing fixture and a trimming fixture. An unmagnetized magnetic strip is fed into the trolley of a magnetizing fixture,...
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7009321 |
Compact two-axis wide gap torquer motor
A novel design concept for a torquer motor is useful for stabilizing apparatuses in a vibrating structure. According to one aspect, a novel design for a coil pair is provided. A first coil in the...
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6998751 |
High reliability electric drive
An electric drive comprising a stator with at least two ring-shaped windings and controllers, and a magnetized rotor with an axis of rotation. Each of said windings comprises at least one coil...
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RE38939 |
Interlocking segmented coil array
Disclosed is a Segmented Coil Array (“SCA”) for use in rotary electromotive devices, such as motors and generators, which employ multiple coils operating within an axial gap magnetic structure....
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6989621 |
Module winding system for electrical machines and methods of electrical connection
Winding modules are secured about pole regions of a rotor body with assembly being accomplished in radial directions. Plug-in type electrical connectors oriented parallel to the direction of...
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6982503 |
Voice coil for disk drive
A voice coil for a disk drive includes a spiral formation of winding of an electrically conductive material. This formation has a generally triangular shape with an open center. First and second...
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6969939 |
Bolted connector for electrical equipment
The present invention provides a mechanical-electrical connector for interconnecting two separate circuits, as in two separate stator coil sections. The conductive end pieces of the stator coil...
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6956314 |
Alternator
In an automotive alternator according to the present invention, a curved portion for adjusting a height of a joining portion coil end of an inner winding portion and a height of a joining portion...
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6940204 |
Brushless motor and hermetic compressor assembly including the same motor
A low-vibration/noise brushless motor capable of limiting the height of coil ends, and a low-current-leak hermetic compressor includes the brushless motor. This brushless motor is of a three-phase...
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6933652 |
Automotive alternator
A stator winding is configured into a polyphase alternating-current winding by joining together end portions of a plurality of winding sub-portions in a vicinity of each of axial ends of coil end...
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6930426 |
Alternator stator having a multiple filar construction to improve convective cooling
A stator for a dynamoelectric machine improves the cooling of the stator winding without increasing the size of the stator winding or the entire stator. The stator is of a unique construction...
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6930425 |
Rotary electric machine stator and method of manufacturing the same
A rotary electric machine stator includes a stator core having plural slots and a stator winding that is composed of plural conductor segments. Each conductor segment has a straight portion...
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6912773 |
Method of forming a winding disc for an axial field electrical machine
The invention provides a stator coil construction in which the thickness of the stator windings is reduced without the need for interconnections within the stator. The reduction in thickness of the...
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6911759 |
Stator coil assembly for superconducting rotating machines
A stator for use in a rotating machine includes a first conductor; and a second conductor wound, in-hand, over the first conductor and along a longitudinal axis of the stator. The second conductor...
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6910258 |
Method of assembling windings on a rotor core
A method is disclosed for fitting a rotor enclosure over at least one assembly of field windings mounted on a rotor core, said method comprising the steps: applying a force to elastically reduce a...
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6894415 |
Stator arrangement of rotary electric machine
A vehicle rotary electric machine includes a rotor, a stator having a stator core and a stator winding mounted in the stator core and a pair of frames for supporting the rotor and the stator. The...
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6894418 |
Nested stator coils for permanent magnet machines
An arrangement of coils of different configurations for use in the stator of a slotless radial gap electromotive machine is described. The coils include coils of a first configuration and a second...
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6891303 |
High voltage AC machine winding with grounded neutral circuit
An electric high voltage AC machine intended to be directly connected to a distribution or transmission network ( 16 ) comprises at least one winding. This winding comprises at least one...
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6888282 |
Stator of induction motor
Disclosed is a stator of an induction motor, the induction motor comprising: a stator provided with a main winding coil and an auxiliary winding coil at a plurality of slots formed at a body of the...
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6885124 |
Stator winding having radial aligned wraps
An electric machine stator having end loop segments includes a multi-phase stator winding having a plurality of radially aligned partial wraps, wraps, and wrap sets, that are adapted to be placed...
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6882077 |
Stator winding having cascaded end loops
An alternator stator having cascaded end loop segments includes a multi-phase stator winding that is adapted to be placed in a plurality of circumferentially spaced axially-extending core slots in...
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6870294 |
Winding with moulded parts, method and set of moulded parts for electrical machines
The invention concerns a winding for a post or an armature of an electric machine with a post or armature ( 32 ) with slots ( 34 ) composed at least in part of L-shaped structural parts ( 1, 2, 3...
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6857179 |
Method for making an electric motor stator
A technique for making a stator for an electric motor or similar machine includes disposing a plurality of concentric coils in a stator core such that leads exit both ends of the stator core. The...
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6844655 |
Expandable flat winding for rotating electric machine fields
A winding module for an electric machine is provided wherein the winding module comprises a flat field winding that is angled at an end turn and wherein a vertex of the flat field winding is...
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6844648 |
Electric motor stator and motor incorporating same
A winding pattern and technique for a stator of an electric motor is provided. The pattern is particularly well-suited for forming a four-pole, three-phase machine. The winding pattern permits...
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6841913 |
Stator coil including sequentially-connected conductor segments for an electric rotary machine and manufacturing method thereof
A tail side coil end includes a plurality of tail conductor pairs sequentially disposed with predetermined radial gaps. The radial gaps between the conductor pairs are widened in the vicinity of...
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6833648 |
Sequentially joined-segment coil for rotary electrical machine with high degree of electrical insulation
A sequentially joined-segment coil for a rotary electric machine such an electric motor is provided. The coil has an end portion which is made up of heads of conductor segments and projects from an...
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6826823 |
Automotive alternator stator assembly with rectangular continuous wire
A method of forming a stator core assembly for an electric machine, for example, for an automotive alternator, which presents a rotating, alternating polarity magnetic field, the stator core...
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6825589 |
Sequential segment joining stator coil type electric rotating machine
Provided is a multi-turn sequential segment joining stator coil capable of suppressing the differences in electromotive voltage between parallel circuits and of carrying a large current. Partial...
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6806612 |
Armature coil for slotless rotary electric machinery
An armature coil for a rotary electric machinery includes a plurality of identical coil blocks each formed by a plurality of turns of and elongated conductor. Each of the coil blocks includes two...
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6806611 |
Stator assembly for electrical machines and method of making the same
A stator for a rotating electrical machine, such as a motor or generator, is wound with stator coils having non-slot-insertion segments that include a twisted segment that is twisted a...
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6791224 |
Stator winding and manufacturing method therefor
A stator winding which copes with high output and miniaturization turns formed by winding a wire sheaf of a plurality of fine wires bundled together, in an approximately rhombic shape, wherein the...
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6787961 |
Automotive alternator stator assembly with varying end loop height between layers
A stator core assembly having an annular core defining an outside diameter, an inside diameter, and a plurality of radially projecting winding slots. A first electrical conductor and a second...
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