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6784575 |
Air-cooled outer rotor type motor/generator contained within a crank pulley of an engine
A motor/generator housed in an annular space formed between an engine side wall and a crank pulley fixed to an end of a crank shaft includes a stator supported on the engine side wall and a rotor...
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6777835 |
Electrical power cooling technique
The apparatus for cooling a high power electrical transformer and electrical motors uses thermally conductive material interleaved between the turn layers of a high power transformer and iron core...
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6770999 |
Stator of vehicle ac generator
In a stator of a vehicle ac generator, a stator core has plurality of slots, each of which has a rectangular cross-section and a stator winding formed of a plurality of U-shaped conductor segments...
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6762520 |
Induction-type electric machine
A reluctance electric machine comprising: (a) a stator part ( 4 ) with stator teeth ( 12 ) of magnetically conductive material that are provided with coil windings ( 24 ); (b) and a rotor part ( 6...
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6759781 |
Rotor assembly
A rotor assembly includes a substantially cylindrical support structure having at least one first region, and at least one second region. At least one rotor coil is positioned within each first...
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6747380 |
Direct winding wire to external conductor connected multi-phase motor
Multi-phase motor, in particular, stepping motor or synchronized motor, with a rotor and stator parts that are essentially arranged concentrically with respect to the rotor and that, in each case,...
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6741007 |
Permanent magnet motor assembly having a device and method of reducing parasitic losses
A permanent magnet motor assembly for use in a flywheel is disclosed, including a rotor, a stator, and a coil positioned in the stator. One or more magnets is attached to the rotor such that...
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6722020 |
Workpiece table assembly
A workpiece table assembly is configured to hold a plurality of workpieces (e.g. conductive strands) so that the workpieces can be modified (e.g. bent). In one embodiment, the workpiece table...
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6717317 |
Stator for a dynamoelectric machine
In a connection portion of a stator winding, conductor wires extending outward from a slot pair separated by a predetermined number of slots are joined such that end portions of conductor wires...
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6713924 |
Brushless motor having isosceles sided stator coils and position detection capability
A three-phase brushless motor includes a rotor with a permanent magnet having P (P is an integer not less than two) polarities and a stator facing the rotor and having plural coils shaped in...
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6710497 |
Apparatus and method for a field winding assembly mountable on a rotor in a synchronous machine
A winding assembly for a rotor is disclosed comprising a plurality of rotor field windings and a field support holding said plurality of windings in said winding assembly, wherein the winding...
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6710496 |
Stator for an alternator and method of manufacturing the same
A stator for a alternator is provided wherein a height of coil ends may be reduced and it is difficult for conductors to interfere with each other at coil ends. A stator coil 18 thereof including...
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6707210 |
Dual wire stator coil for a radiator fan
A stator coil for a radiator fan, the stator coil consists of at least two enamel wires co-axially wound together. Each of the enamel wires has opposite first and second ends extended out from the...
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6707215 |
Stator of a rotating electric machine
A stator of a rotating electric machine is obtained which has a winding improved in assemblability. The stator has three phase winding 10 which has respective phase winding sections 11 through ...
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6700282 |
Rotary electric machine and method for connecting stator conductors
A rotary electric machine having improved coil connection reliability, simplified coil end processing steps and improved workability based on an improved components mounting method is to be...
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6664695 |
Stator of AC generator for use in a vehicle with radially aligned, rectilinear polymorphic cross-section conductor wires
A stator coil has tooth portions and slot portions defied between adjacent tooth portions. Each tooth portion has a rectangular cross-section perpendicular to the axis of the stator core. A group...
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6629356 |
Method and apparatus for concentric assembly of structural rotor enclosure on an electrical machine rotor
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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6621190 |
Rotor for an automotive alternator
A rotor for an automotive alternator comprises a cylindrical bobbin fitted over the base portions of a pair of field cores having a cylindrical portion and a pair of first and second annular flange...
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6621189 |
Switched reluctance motor having windings separated by a radial line and method of manufacture
A sensorless switched reluctance motor and its method of manufacture. A stator core having slots for receiving windings and having an opening for receiving a rotor for rotational about a rotational...
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6614141 |
Automotive alternator and a method for manufacturing a stator therefor
Slots are formed in a stator core at a ratio of two per phase per pole and winding phase portions constituted by star-shaped winding units are installed in the stator core so as to line up in six...
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6603234 |
Method for producing a winding, and winding for electrical machines, as well as an electrical machine
In a method for producing a winding for electrical machines, a plurality of conductor elements are fitted on a winding former or stator tooth. The conductor elements are aligned parallel to one...
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6590309 |
Stator assembly for an electromechanical machine
A stator assembly for use in an electromechanical machine includes an improved concentric winding arrangement. Groups of concentric coils are alternately inserted from both ends of the stator core....
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6555942 |
Assembly type stator structure having flat wire wound coils
An assembly type stator structure having flat wire wound coils, whereby the occupation ratio of stator coils in stator wire grooves can be enhanced under the working condition of high current....
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6545377 |
Coil with cooling means
The invention relates to a coil comprising current-conducting turns ( 2 ) and cooling means ( 3 ) for cooling the coil. To improve the cooling efficiency, the coil comprises a plurality of heat...
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6515394 |
Stacked coil assembly for a stator
The present invention provides a coil assembly comprising at least two end coil pieces having a U-shaped end and an open end, the open end comprising a first end and a second end, the second end...
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6507137 |
Vehicular AC generator
A vehicular AC generator has a stator coil formed by connection of four-turn phase coils by serially inserting coil conductors into slots separated by intervals of three slots, the coil conductors...
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6498413 |
Alternator, stator winding assembly therefor, and method of manufacture for the stator winding assembly
A stator winding includes a plurality of winding sub-portions in each of which a strand of wire formed from a continuous wire is wound so as to alternately occupy an inner layer and an outer layer...
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6476531 |
Winding for switched reluctance machines
A novel coil shape, particularly suitable for 1-phase switched reluctance machines, is disclosed. The coil may be wound on a bobbin which is then inserted into the stator or it may be free...
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6459186 |
AC generator for vehicles
An AC generator for a vehicle including a rotor with a fan, a stator disposed around the outer periphery of the rotor, and frame. The stator includes a laminated core having a plurality of slots, a...
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6445102 |
Travelling-wave motor and method for producing same
The invention relates to a travelling wave machine which includes a stator and a rotor, wherein at least one stator coil and/or one rotor coil is arranged in at least one groove of the stator or...
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6441527 |
A.C. generator for vehicle
Coil ends ( 19 ) of a stator coil ( 18 ) having a cross sectional shape like a flat rectangular are constructed by first portions extending from an outer layer of a pair of slots apart from...
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6437476 |
Multi-pole electric machine including flat winding for generator fields
A generator rotor includes a rotor body having defined pole regions with pole faces and parallel sides adjacent the pole faces. A winding module is fitted over the parallel sides of the rotor body,...
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6414410 |
Rotary electric machine having reduced winding
A stator core of rotary electric machine has a plurality of slots. The slots are fully occupied by a stator winding to provide maximum output. On the other hand, to provide reduced output, empty...
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6404092 |
Winding bar for the high-voltage winding of an electric machine, and a method for producing such a winding bar
A winding bar ( 10 ) for a high-voltage winding, for example a stator winding of an electric machine, includes a plurality of conductors ( 13 ) which are arranged above and/or next to one another...
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6404095 |
Inner stator of direct driving drum type motor
An assembled type motor outer stator for effectively improving the operation efficiency of a motor, and thus the volume occupy in the motor wire seat exciting coil is improved. Therefore, a high...
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6376961 |
Coil assembly of rotating electrical machinery and method for producing the same, and stator of rotating electric machinery using the same coil assembly
The invention provides a coil member of rotating electrical machinery, by which improvements in the mass production and downsizing thereof are enabled, which is a coil assembly for rotating...
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6344703 |
Pneumatic bearing motor
A pneumatic bearing motor with a pneumatic bearing capable of being downsized without lowering the mechanical rigidity thereof. A stator of the pneumatic bearing motor comprises a slot-less stator...
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6288462 |
Stator of alternating current generator
A conductor of a stator coil 18 is formed of oxygen free copper and the conductor end acting as a neutral point of the stator coil 18 is protruded from a coil end portion 18b and the tip end of the...
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6281612 |
Stator of AC generator for use in vehicle and method of manufacturing the same
A stator coil has tooth portions and slot portions defied between adjacent tooth portions. Each tooth portion has a rectangular cross-section perpendicular to the axis of the stator core. A group...
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6278205 |
Electric motor with connector element on foil-shaped insulating substrate
An electric motor (19) comprises a first part (21) and a second part (23) which are rotatable with respect to each other about an axis of rotation (9). The first part comprises a foil-shaped...
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6255756 |
Winding arrangement for switched reluctance machine based internal starter generator
A stator coil winding arrangement comprises an inner layer and an outer layer, which define the two layers of the coil. A first turn of the inner layer is positioned directly over the outer layer....
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6252328 |
Electrical machine with a rotor provided with amortisseur bars
An electrical machine (10), in particular a generator, comprises a rotor (12) with pole zones, in which pole zones amortisseur bars (15) designed as wedges are arranged, which amortisseur bars...
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6239528 |
Method for coiling a wire around a stator core
A winding of a motor is formed by coiling a wire around a slotless stator core with combination of troidal coiling and array coiling. The toroidal coiling is carried out in a manner such that the...
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6229241 |
Structure and manufacturing method for motor and stator
A motor having a lap winding structure and a manufacturing method therefor, wherein inserts of two different coils are installed side by side in one slot of a stator in a circumferential direction...
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6218754 |
Electric motor of a submersible pump
An electric motor of a submersible pump includes a body (1) with a core (2) of a stator arranged therein, in slots (9) of a tooth zone (8) of which multiturn sections of a two-layer winding are...
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6218758 |
Stator of dynamo-electric machine
A stator of a dynamo-electric machine which is capable of raising the space factor in each slot and which can easily be assembled incorporates first coil pieces, each of which has a width at the...
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6166472 |
Airgap armature coils and electric machines using same
A flywheel energy conversion device provides highly efficient conversion between kinetic and electrical energy. The flywheel produces increased output by providing armature coils in an air gap...
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6144281 |
Flexible lead electromagnetic coil assembly
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6140735 |
Rotary electric machine and method of manufacturing the same
In a multi-phase rotary electric machine, each of phase windings is composed of a pair of semi-phase-windings having a starting end portion, a plurality of series-connected wave-coil units, and a...
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6140734 |
Armature with regular windings and having a high conductor density
Regular windings for use in an armature in an electric motor. Windings, each having approximately the same shape as a regular winding, may be overlapped to increase a conductor density within a...
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