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7619345 |
Stator coil assembly
A stator coil assembly includes a cylindrical support tube with first and second pluralities of stator coils disposed radially around the support tube. Each stator coil includes first, second,...
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7615901 |
Slim type vibration motor
A slim type vibration motor is provided. The slim type vibration motor includes a case, a shaft, a rotor, a printed circuit board, and a plurality of coils. The shaft has at least one end thereof...
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7608967 |
Single field rotor motor
A single field rotor motor comprising a rotor mounted for rotation with respect to a stator. The stator has a plurality of stator poles each having a coil for creating a magnetic pole force. The...
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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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7605501 |
Stepping motor and fan having the same
A stepping motor includes: a stator including a coil that is wound so as to form a hollow space; a rotor including a magnet to be disposed in the hollow space of the coil, the rotor being...
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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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7598637 |
Stator for an electrical machine
A stator for an electrical machine includes a ring-shaped stator yoke with a number of stator coils arranged thereon. The conductor ends of the coils are designed to be connected to a wiring...
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7593630 |
Built-in multidriver device for a camera zoom lens
The built-in multidriver device for a camera zoom lens has an independent driver for each lens of a zoom lens kit, and each driver is integrated into the lens mount. A housing positions each...
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7573173 |
Apparatus for axial magnetic field electric motor
Apparatuses, circuits, and methods for driving an axial field electric motor, and systems using the same. The electric motor generally comprises a fixed magnet assembly having a plurality of fixed...
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7569967 |
Compact disk device and disk drive
A disk device has a small size, a small thickness, a high efficiency, a small degree of vibration and a small level of noise. In one embodiment, the disk device comprises a disk for storing...
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7557483 |
Rotating electrical machine and manufacturing method thereof
A stator coil is configured of a first group of six turns of conductive wire, and a second group also of six turns, with the first group of six turns being wound on a spool, leaving a gap the same...
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7550890 |
Motor assembly with an integrated flexible printed circuit
The present invention provides a motor assembly for mounting to a base. The motor assembly includes a stator assembly having a plurality of stator teeth. Each stator tooth is configured to support...
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7528517 |
Distribution of motor heat sources
The disclosure is directed to an electrical motor that includes a rotor and stator with improved cooling of the motor. The improved cooling is due to a convenient coil connecting structure of the...
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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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7514839 |
Stator with a rotary current winding, brushless direct current machine having a stator, shaped part for winding guidance for a stator with a rotary current winding, and winding method for producing a stator with a rotary current winding
A method of producing a stator with a rotary current winding, having a first and second face end. On the face end, at least one shaped part with struts for winding guidance is provided. A brushless...
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7514826 |
Stator coil cooling and method of manufacturing
A stator coil module facilitating the manufacture of an electric rotating machine is provided. The stator coil module is provided with a stator coil ( 1 ), a cooling pipe ( 2 ), and a mold member (...
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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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7474030 |
Magnetic coils for electrical machines
A magnetic coil 32 for an electrical machine is constructed from two sub-conductors 34 A, 34 B, each in the form of laminae of conducting material such as copper sheet, coated with an...
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7471026 |
Brushless electric motor
A brushless electric motor includes a housing with a pair of disc-shaped end plates fixed relative to the housing in a spaced, generally parallel relationship to each other. A pair of bearings are...
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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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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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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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7382069 |
Rotary electric apparatus with coil-end block from which lead wires are drawn out
A rotary electric apparatus, such as motor, comprises a rotor and a stator arranged to face the rotor in the radial direction. The rotor rotates together with a rotation shaft. The stator has a...
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7379742 |
Multi-carrier communications with adaptive cluster configuration and switching
A method and apparatus for allocating subcarriers in an orthogonal frequency division multiple access (OFDMA) system is described. In one embodiment, the method comprises allocating at least one...
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7375449 |
Optimized modular electrical machine using permanent magnets
An electrical machine having a magnet assembly with a magnet carrier ring with an even number of permanent magnets mounted in the carrier ring around a circular locus, and a conductor assembly with...
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7368842 |
Armature windings and dynamo-electric machine using the same
An armature winding includes a plurality of strand groups each having strands transposed and bound in at least two rows and multiple tiers, and a main insulator for covering the strand group. The...
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7367113 |
Method for fabricating a transformer integrated with a semiconductor structure
A substrate is provided and a top interconnection metal layer and a primary winding layer are formed thereon. Then a passivation layer having a plurality of via exposed parts of the top...
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7365468 |
Motor stator having transposed winding layers
An electric motor is provided with a multi-layered winding stator core configuration. A plurality of individual layers of wire strands are successively formed on each stator pole of a pole pair....
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7345398 |
Electric motor stator
Devices and methods are provided for a motor stator. One embodiment for a stator includes a frame for stator windings that includes a hub, spacing members, a rim and posts for receiving and...
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7343670 |
Method of manufacturing transverse non-cylindrical gradient coils
The present invention relates to a transverse non-cylindrical gradient coil, having at least one divergent section, and to production methods for such non-cylindrical gradient coils having at least...
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7312551 |
Coil for a dynamo electric machine
A coil ( 20 ) for a dynamo electric machine, particularly for the stator ( 33 ) of a hydro-generator, includes a plurality of coil rods ( 22, 24 ), running in the axial direction in a sheet metal...
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7312550 |
Architecture for electric machine
In one aspect, an alternator is described which includes a current control apparatus including a stator winding and a control winding, wherein current control in the control winding regulates the...
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7291956 |
Laminate coil and brushless motor using same
A laminate coil for an integral n-phase motor (n is a natural number of 2 or more) having pluralities of coil poles formed by patterned conductor coils formed in a laminate constituted by...
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7288923 |
Voltage-limited electric machine
An electric alternator having a rotor, stator and at least one winding in the stator adapted to conduct a current, the machine also having and first and second magnetic circuits around different...
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7282828 |
Brushless motor stator, brushless motor having same and coil structure
A brushless motor stator comprising a lamination body in which conductive layers and insulating layers are formed alternately. A plurality of sets of coils of wound conductive patterns are formed...
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7269888 |
Method of making cascaded multilayer stator winding with interleaved transitions
A method for making a stator assembly includes forming several continuous conductors with generally-coplanar parallel-spaced straight segments interconnected by end loop segments, as by winding...
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7268456 |
Stator of rotary electric machine
There is provided a stator of a rotary electric machine in which the proportion of the cross sectional area of a coil in the cross sectional area of the slot is high, and an electric power loss due...
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7250704 |
High temperature electrical coil
Certain exemplary embodiments can provide an electrical coil for an electromagnetic machine, said coil comprising: a first electrically conductive winding wound about a central axis in a first...
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7246428 |
Method for making a coil piece onto a core of rotary electric machine
A method for mounting a coil onto a stator for a rotary electric machine. The method includes forming a coil piece by winding wire having a flat cross section into a single row lamination state...
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7239059 |
Stator of rotating electric machine and manufacturing method of the stator
A plurality of coils concentratedly wound around individual teeth are formed as coil units having a common shape, each of the coil units being made by winding a conductor in a generally rectangular...
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7194794 |
Method for producing electrical machines
An electrical machine has a base body provided with conductors fixed in grooves of the base body by a material which limits a groove slot at both sides, and the conductors in the grooves are...
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7190101 |
Stator coil arrangement for an axial airgap electric device including low-loss materials
A dynamoelectric, rotating electric machine includes a stator assembly that includes stacked stator coil windings. The machine is preferably a polyphase, axial airgap device. Improved slot filling...
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7167364 |
Cooler with blower between two heatsinks
A cooler for cooling of electronic components comprises at least two heatsinks thermally connected with each other by heat spreading means, and a double inlet centrifugal blower comprises a casing...
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7157826 |
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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7155811 |
Method for manufacturing an armature of an electric motor
An armature for a brush commutated electric motor having a distributed coil winding arrangement for reducing brush arcing and electromagnetic interference (EMI). The winding pattern involves...
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7155805 |
Method for making stator of rotary electric machine
A rotary electric machine has a stator core and a winding. The winding has a plurality or sub-winding sets which are mounted on the stator in the order. Each of the sub-winding sets has a plurality...
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7148782 |
Magnetic core for stationary electromagnetic devices
An energizable magnetic core for use in an inductor or a transformer includes a plurality of legs extending from the back yoke. The back yoke is formed in a loop arranged to provide a magnetic...
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7145280 |
Stator for a dynamoelectric machine having a split ferromagnetic core
A method and apparatus for production of stator windings for dynamoelectric mechines of different configurations is provided. The windings are preferably formed on a bobbin ( 10 ) or similar...
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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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