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6741005 |
Strip of lamination sectors and a method of manufacturing a magnetic circuit for an electrical machine
The invention relates to a strip of lamination sectors for making a magnetic circuit of an electrical machine, the sectors are interconnected by links, and the strip is for winding on a mandrel to...
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6741010 |
Rotor disc assembly having rotor rim with alternate magnets and laminated pole pieces
A rotor disc ( 14 ), for use in an electrical machine ( 10 ), has at least one circumferential rotor rim ( 16 ) mounted thereon. The rotor rim ( 16 ) comprises at least one row of alternate magnets...
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6741009 |
Armature of rotating electrical machine and wire winding method thereof
An armature and method of winding the armature that improves coil density by winding adjacent poles so that the resulting windings have outer surfaces that taper in opposite directions that extend...
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6741004 |
Creased armature winding insulator for dynamo-electric machine
A method includes the steps of forming a substantially U-shaped insulator having outwardly bent portions formed by bending the side portions thereof at bent parts so as to be apart from each other,...
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6737783 |
Sealed motor compressor
A sealed motor compressor in which a motor running efficiency is largely enhanced with a single-phase bipolar constitution, an electromotive element is fixed to a sealed container, and formed of a...
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6737784 |
Laminated amorphous metal component for an electric machine
A bulk amorphous metal magnetic component for an electric machine such as a motor or generator is described. The component may include a plurality of substantially similarly shaped laminations...
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6734596 |
Assembling type rotor structure of brushless motor
An assembling type rotor structure of brushless motor can be applied both in outer stator/inner rotor motor and inner stator/outer rotor motor. The rotor structure includes a rotor's main body...
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6731043 |
One-piece field core shell
A spin-roll formed one-piece field core shell formed from a blank disc of sheet metal. The one-piece field core has an outer annular ring integral to and encircling a center axis of the disc and...
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6727628 |
Rotor structure for permanent-magnet motor
A rotor structure for a permanent-magnet motor is disclosed as including an annular laminated stack ( 2 ) of electromagnetic steel sheets incorporating magnets, annular end plates ( 1 a , 1 b )...
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6727632 |
Flat rotary electric machine
A flat rotary electric machine to be mounted in a vehicle engine includes an annular stator core with a plurality of teeth and an armature winding and a field unit including a gutter-like field...
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6724119 |
Sheet-layered lamination stack slotted rotor for electric motor
In an electric motor with a stator and a rotor which includes at least a stack of laminations ( 2 ) layered by sheets and provided with slots ( 8 ) for receiving rotor windings, at the end face (...
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6722015 |
Assembly method for stamped and cupped laminations
A method and apparatus for progressively cutting, piercing, bending, stacking, and interlocking lamination assemblies from a strip of laminate. The stacked laminations are mechanically interlocked...
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6724120 |
Stator with radial winding
A stator with radial winding invention comprises a single pole plate formed by punching a plate having excellent conductivity in magnetism and having an appropriate thickness. The pole plate...
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6720681 |
Structure and manufacturing method of a linear stepping motor
The present invention relates to a new-type secondary structure of a linear stepping motor and its manufacturing method. The new-type secondary structure of a linear stepping motor is mainly...
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6720702 |
Electric machine with a rotor of low inertia
An electric machine, includes a rotor and a shaft centered interiorly of the rotor. An excitation structure is provided for generating a torque upon at least portions of the rotor. The torque from...
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6720700 |
Motor stator for a home electric fan
A motor stator for a home electric fan includes a plurality of laminated silicon steel sheets respectively provided with a center hole of a larger diameter than the conventional motor stator for a...
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6717318 |
Electric motor
The invention concerns an electric motor with a stator, in whose bore a rotor is arranged, and with a control arrangement having at least one coil with a core passed by the motor current. The coil...
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6713929 |
Series-wound motor
A series-wound motor is disclosed which is particularly suitable as a universal motor for an electric power tool. The motor comprises a stator with at least two field poles, each having two pole...
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6713930 |
Power generator
A power generator that operates at a reduced temperature level includes a flux shunt that reduces the amount of fringing magnetic flux axially impinging upon a stator, flange, and multiple keybars...
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6707225 |
Radiused stator core end faces
A method for improving the efficiency of electromagnetic devices having a ferromagnetic core containing electrical windings. The ferromagnetic core is variously configured to include intra-turn...
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6707224 |
PM motor and generator with a vertical stator core assembly formed of pressure shaped processed ferromagnetic particles
A d.c. PM motor and corresponding generator having a stator core assembly which is formed of a pressure-shaped processed ferromagnetic particulate material. The spaced apart isotropic core...
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6703745 |
Rotor structure for a motor having built-in type permanent magnet
A rotor structure for a motor having built-in type permanent magnets includes a multiplicity of axial slots for containing the permanent magnet, and a shaft hole for installing a shaft. The...
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6703757 |
Motor structure having low profile
A motor structure is disclosed. The motor structure includes a stator and a rotor. Among these, the stator further includes a coil seat defined by a bottom plate, a plurality of first teeth and a...
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6703728 |
Step motor with double coil in a plane
A dual rotor motor assembly having two coils in lateral arrangement on opposite sides of each rotor, with each rotor having one of the coils in common. The rotors are disposed in pole cages formed...
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6703746 |
Interior permanent magnet rotor
An electric traction motor for a vehicle including a housing, a wound stator field located in the housing, a rotor magnetically interacting with the wound stator field, high energy magnets...
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6703740 |
Brushless motor with reduced rotor inertia
A direct current electric motor having a reduced inertia rotor includes a stator affixed to a housing wherein the stator comprises a plurality of electrically conductive windings. The stator...
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6703741 |
Permanent magnet rotor portion for electric machines
A rotor for an electric machine comprising a plurality of independent poles ( 58 ) having a triangular cross section shape and permanent magnets ( 56 ) having a trapezoidal cross section shape. The...
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6700293 |
Stator structure for brushless DC motor
A stator structure for a brushless dc motor in accordance with the present invention mainly comprises a singular magnetic-conductive plate, a coil, and a driver member. The singular...
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6700294 |
Pole plate assembly for a stator of a motor
A stator includes a bobbin, plural pole plates, and an axle tube. Half of the plural pole plates are mounted on top of the bobbin and the other half of the plural pole plates are mounted to a...
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6700276 |
Stator for rotaty electrical equipment
A rotating electrical machine having cooperating rotor and stator, one of which forms a plurality of pole teeth around which individual coils are wound. The coils are connected in a number...
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6700285 |
Electrical rotating machine having a rotor and a stator each having a non-rotatable connection between carrying element and laminations, and method of making same
For an electrical rotating machine, it is suggested for the non-rotatable connection of a bundle of laminations with a rotor or a stator that the respective bundle of laminations have a profiled...
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6700271 |
Hybrid synchronous motor equipped with toroidal winding
A hybrid synchronous motor comprising a rotor and stators, wherein the stator has at least one assembly ( 7 ) having a structure in which ferromagnetic rings ( 2, 3 ) formed with cogs on the both...
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6700284 |
Fan assembly including a segmented stator switched reluctance fan motor
A fan assembly includes a fan housing and a fan. A switched reluctance fan motor is mounted in an inlet of the fan housing and includes a shaft that is connected to the fan. The switched reluctance...
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6700286 |
Stator structure of reciprocating motor
A stator structure of reciprocating motor is provided. The stator structure includes a cylindrical stacked core having a plurality of lamination sheets each having a hanging groove, and an elastic...
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6675459 |
Bulk amorphous metal magnetic components for electric motors
A high efficiency electric motor has a generally polyhedrally shaped bulk amorphous metal magnetic component in which a plurality of layers of amorphous metal strips are laminated together to form...
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6664696 |
Tooth saturation for reduced electromagnetic harmonics
The tooth saturation level is improved and electromagnetic harmonics reduced by reducing the path cross-section of area in the tooth with a geometrical means such as punched holes through the...
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6664705 |
Method of providing electric power with thermal protection
An electric machine including a magnetic component, forming part of its rotor or stator that loses its magnetic characteristics above a certain chosen temperature is disclosed. This magnetic...
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6664689 |
Ring-shaped motor core with toroidally-wound coils
An electrical machine comprises a magnetically permeable core. The core is elongated to thereby define a lengthwise direction and a profile that is transverse to the lengthwise direction. Coils are...
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6661147 |
Electric vehicle and rotary electric machine having a divided rotor core
An rotary electric machine 1 comprises stator 2 having a stator core 4 wounded with stator windings 5 and a rotor 3 having a rotor core 7 rotatable and opposite to the stator core 4 ...
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6661150 |
Motor having stator with L-shaped salient poles
A motor comprises a base to rotatably support a rotor and a ring-shaped magnet having a magnetic pole segment which is S-pole shaped and a magnetic pole segment which is N-pole and which are...
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6658721 |
Method of manufacturing cores for rotary electric machines
A stator core which assures a favorable workability for coupling core segments and has favorable magnetic characteristics even when made by coupling core segments that are formed by laminating core...
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6653758 |
Stator structure for rotary electric machine
A stator structure is provided with a stator core having a plurality of cooling passages or slots and an annular resin layer formed on an inner peripheral surface of the stator core that defines a...
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6633103 |
Device with a stator and a sleeve
A stator ( 1 ) and sleeve ( 5 ) are secured to one another by means of nonpositive engagement in the form of a bayonet mount ( 30 ). The apparatus is employed in particular in electric motors.
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6630766 |
Strip for producing a ring-shaped electromagnetic element for an electric motor
An essentially elongated strip is formed for manufacturing a ring-shaped element of an electrical machine. The strip has an electromagnetic effective area which is oriented perpendicularly to an...
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6630763 |
Solid core angular position resolver
A solid core angular position resolver including stator coils and a coil-less rotor, the improvement wherein the rotor comprises a core having a substantially circular cylindrical configuration...
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6628037 |
Power generator, electronic device using the same, method of setting plate thickness in a magnetic circuit in electronically controlled timepiece and power generator
In a power generator ( 20 ) including a rotor ( 21 ), a stator (magnetic core) ( 22 ) and a coil ( 23 ), a formula (1) including hysteresis loss coefficient k h , eddy-current loss coefficient k e...
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6624541 |
Stator with a radial winding and method for manufacturing same
A stator with a radial winding and a method for manufacturing such a stator provides a plurality of pole plates made of a magnetically conductive material. Each pole plate comprises a hub and at...
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6617739 |
Rotary electric machine
A magnetic pole for facing an air gap with a stator is formed with a parallel quadrilateral shape or a quadrilateral shape having a skew effect and is obtained by a single iron core or plural iron...
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6617740 |
D.C. PM motor and generator with a stator core assembly formed of pressure shaped processed ferromagnetic particles
A d.c. PM motor and corresponding generator having a stator core assembly which is formed of a molded or pressure shaped processed ferromagnetic particulate material. The low permeability...
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6614142 |
Rotor for an electrical machine, and an electrical machine including such a rotor
A rotor is provided for use at high speed. The rotor comprises a stack of laminations held under compression between opposed flanges. The laminations have a plurality of teeth. Some of the...
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