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US20130069475 ELECTROMAGNETIC COIL STRUCTURE HAVING A FLAT CONDUCTIVE TRACK, MAGNETIC CORE AND MAGNETO ELECTRONIC ANGLE SENSOR  
The present invention relates to an electromagnetic coil structure for being mounted on a magnetic core. Such a magnetic core is for instance a part of a rotating electric machine or of a magneto...
US20090108712 SHORT-FLUX PATH MOTORS / GENERATORS  
According to one embodiment of the present invention, an electric machine includes a stator and a rotor. The stator includes a stator pole including a first leg and a second leg, and a gap defined...
US20060138894 Rotor for rotating machine, manufacturing method of rotor and motor for electrically driven power steering  
An object of the present invention is to provide a rotor with a high accuracy, a manufacturing method of the rotor and the motor for an electrically driven power steering in a manner that the...
US20050264112 Hub unit for use in electrically movable wheels and vehicle comprising the hub unit  
A hub unit wherein the axis is prevented from deflecting for use in electrically assisted bicycles. A single fixing support shaft (57) has opposite ends projecting outward respectively from...
US20090184599 Alternator for Vehicle, Vehicle Equipped with Alternator, Method for Manufacturing Alternator for Vehicle, and Rotating Electric Machine for Vehicle  
An alternator for a vehicle includes: a stator that is configured by a concentrated winding system in that a stator coil for a single phase is wound on a single pole; and a rotor with 16 or more...
US20080238237 INDUCTION MACHINE  
An induction machine has a stator and rotor. The stator comprises teeth and slots and stator winding disposed in the slots. The rotor comprises a rotor core having teeth and slots and a...
US20110273054 ELECTRICAL STEEL, A MOTOR, AND A METHOD FOR MANUFACTURE OF ELECTRICAL STEEL WITH HIGH STRENGTH AND LOW ELECTRICAL LOSSES  
In a method for manufacture of electrical steel a liquid steel mixture is created with a specified mixture chemistry. A continuous casting is performed to convert the liquid steel mixture to a...
US20050138793 Abduction-type motor and fabrication method of motor stator thereof  
In an abduction-type motor having a divided core 5 (a-l) formed by dividing a stator core into plural blocks and a motor stator having such a structure as the divided core may be reassembled, the...
US20060082242 Stator arrangement for an electric machine and an electric motor  
A stator arrangement for an electric machine comprising a stator body having a number of stator teeth between which stator slots to receive stator windings are formed, and having an insulating...
US20060284511 Enhanced electrical machine cooling  
In one embodiment, the present technique relates to a motor having enhanced cooling. The exemplary motor includes a stator core that is formed of a plurality of stator laminations and that is, at...
US20060197399 Motor  
Motor having small torque ripple. In a core of an armature of a motor, teeth are disposed radially around a center axis, arrangement of pitch angles of the teeth having different picth angles, or...
US20060238061 ELECTRIC MACHINE WITH A DAMPING DEVICE  
An electric AC machine includes a primary section and a secondary section. The primary section has a region facing the secondary section and a region facing away from the secondary section. The...
US20090140598 Rotor construction in an electric motor  
A rotor of an electric motor with a cylindrical shaft and a magnetically conducting laminated core, the laminated core having a central shaft duct. The laminated core can be fastened reliably and...
US20080122311 ROTOR ASSEMBLY AND METHOD OF ASSEMBLING A ROTOR OF A HIGH SPEED ELECTRIC MACHINE  
A rotor assembly for a high speed electric machine and associated methods are provided. The rotor assembly includes a shaft, a plurality of laminations positioned along an axial extent of the...
US20060097601 Rotor arrangement for an electric machine and a method for the manufacture of a rotor arrangement  
A rotor arrangement for an electric machine having a substantially cylindrical rotor body and a shaft on which the rotor body is mounted, wherein the rotor body is divided into a plurality of...
US20060138877 Rotor core for motor and small motor  
A rotor core for a motor includes a core having a plurality of core sheets which are laminated, a rotation shaft which is press-fitted to the core, a press-fitting part and at least a space part...
US20170040850 LAMINATED IRON CORE, METHOD FOR MANUFACTURING LAMINATED IRON CORE, AND PUNCH FOR CAULKING FORMATION USED IN THE METHOD  
A laminated iron core includes a plurality of iron core pieces laminated each other, each iron core piece having a thickness of 0.2 mm or less. Each of the plurality of iron core pieces includes a...
US20070235248 Electric power steering assembly and method for fabricating same  
An electric power steering assembly includes an electric motor, a reduction mechanism for reducing the speed of an output rotation of the electric motor, and a reduction-mechanism housing...
US20070126310 Universal motor and lamination for stator thereof  
A lamination 10 for the stator of a universal motor has two poles 12 and a flux return path in the form of a ring 14 joining the two poles together. Each pole 12 has a pole face 16 defining there...
US20050229382 Motor and motor manufacturing apparatus  
Flat rolled magnetic steel sheets and strip or a die is turned in the press forming process. Rotor cores are stacked with turning through an angle which is an odd number multiple of about...
US20140070658 LAMINATION ASSEMBLY INCLUDING AN INTER-LAMINATION THERMAL TRANSFER MEMBER FOR AN ELECTRIC MACHINE  
A lamination assembly having a lamination stack including a plurality of lamination members, and at least one inter-lamination thermal transfer member coupled to at least one of the plurality of...
US20060279161 Rotary electric machine equipped with stator core designed to ensure machine performance  
A rotary electric machine, such as an automotive alternator or an automotive engine starter motor, is provided which includes a rotor and a stator. The stator is equipped with an annular stator...
US20060103263 Rotating electric machine  
The present invention restrains generation of an eddy current caused by leaked magnetic flux, and reduces iron loss due to the eddy current. A tooth 61 is mounted to a stator yoke 60 in a state in...
US20050229384 Motor and motor manufacturing apparatus  
Flat rolled magnetic steel sheets and strip or a die is turned in the press forming process. Rotor cores are stacked with turning through an angle which is an odd number multiple of about...
US20050067905 Stator cooling method and apparatus  
According to one embodiment of the present technique, forced air (i.e., air flow) is routed through a motor stator having corners and center ducts. Advantageously, by routing the air flow through...
US20120049686 ROTARY ELECTRIC MACHINE  
A rotating portion of a rotary electric machine includes a shaft arranged to extend along a central axis, and a rotor core fixed to the shaft. The rotor core includes a through hole group...
US20070159018 Explosion-proof motor  
A novel explosion-proof motor, which, in certain embodiments, features a housing with flame paths between various joints in the housing. These flame paths may contain and cool hot gases and flames...
US20170133893 ROTARY ELECTRICAL MACHINE PROVIDED WITH A STATOR  
A stator of a rotary electrical machine has a stator body formed by a stack of metal sheets. The stator body is delimited by inner and outer radial surfaces. Notches in the stator body extend...
US20130076193 LAMINATED CORE AND FABRICATION METHOD THEREOF  
Disclosed herein is a laminated core used for a motor including an electric motor, wherein the core is formed of a soft magnetic composite and has a structure in which one or more unit laminates...
US20100252341 ELECTRIC ROTARY MACHINE  
The electric rotary machine comprises a stator and a rotor. The rotor is incorporated rotatablly inside the stator keeping an air gap between the rotor and the stator, the rotor being divided into...
US20080238241 COMMUTATOR MOTOR AND ELECTRIC VACUUM CLEANER USING THE SAME  
An efficient and high-performance commutator motor in which both torque enhancement and iron loss reduction are achieved is provided by ensuring a sufficient area occupied by field windings wound...
US20050264125 Rotor of motor  
A rotor of a motor is provided. The rotor includes a rotor core and a winding coil wound on the rotor core. The rotor is rotatable by an electromagnetic interaction with a stator, in which both...
US20160315526 ROTARY ELECTRIC MACHINE ROTOR  
A rotary electric machine rotor includes a rotor core, a rotor shaft, and a nut portion. The rotor core is made up of stacked thin magnetic plates. The rotor shaft has, on one end side, a...
US20150171673 SYSTEM AND METHOD FOR RETAINING ROTOR STRUCTURE IN SYNCHRONOUS RELUCTANCE MACHINE  
A rotor assembly that includes at least one integral non-magnetic rotor retaining structure comprising a plurality of individual rotor retaining discs, the discs having predefined slots; and a...
US20060103256 Laminated core of a stator and/or of a rotor of a splash-cooled electrical machine as well as a splash-cooled electrical machine  
A laminated core of a stator and/or rotor for a splash-cooled electrical machine, where the stator and/or rotor are mounted inside the housing of the splash-cooled electrical machine. The...
US20060066168 Bonded rotor laminations  
In accordance with an exemplary embodiment, the present technique provides a rotor assembly formed of a plurality of rotor laminations that are bonded to one another. Specifically, the rotor...
US20060250043 Portable handheld power generator  
A portable handheld electrical power generator for general consumption by household electronic devices is disclosed. The portable handheld power generator provides a magnet reinforcing ring and an...
US20050258693 Permanent magnet alternator and voltage regulator for regulating the output voltage of a permanent magnet alternator  
A permanent magnet alternator including a stationary stator including a plurality of spaced stator poles projecting inwardly from the stator, a winding circuit wound through the spaces between the...
US20090184601 POLYPHASE STATOR OF A ROTATING ELECTRICAL MACHINE WITH CLAW-POLE ROTOR AND ALTERNATOR OR ALTERNATOR STARTER COMPRISING SAME  
The invention concerns a polyphase stator (5) for a with rotating electrical machine claw-pole rotor comprising five or seven phases (132), a stator body having internally a plurality of notches...
US20060123621 Method of manufacturing stator of rotating electric machine  
A stator of a rotating electric machine includes a stator core, multiple pairs of coils and multiple leads. The stator core includes a laminated core assembly formed by laminating thin steel...
US20140062251 EMBEDDED MAGNET TYPE ELECTRIC MOTOR ROTOR  
An embedded magnet type electric motor rotor (10) including with a core (11) which is formed by laminating a plurality of electrical steel sheets, magnets (M) which are arranged in a plurality of...
US20060103258 Rotating electric machine, and winding method and core therefor  
A method for winding a wire in a rotating electric machine provided with an armature including a plurality of core members. Each core member has two teeth arranged at an interval of 180 degrees. A...
US20130033144 STIR-WELDED INDUCTION ROTOR  
A stir-welded rotor includes a stack of laminations, where each of the laminations defines a plurality of spaced-apart slots arrayed on an outer circumference. A conductor bar may be registered...
US20060186753 Stator and electric motor having the same  
The present invention provides a stator including a core having a plurality of core plates piled on one another, and a plurality of teeth formed in a regular interval on the circumference of the...
US20130094982 BRUSHLESS MOTOR AND ELECTRIC PUMP  
A brushless motor comprises a rotor and a stator comprising a plurality of core plates laminated on one another. The core plates include a plurality of teeth portions. The plurality of core plates...
US20060238059 Synchronous motor  
There is provided a synchronous motor where the winding density of coiled wires wound around a stator core via a bobbin is improved. A stator core 26 is assembled so as to be dividable on both...
US20070132332 Self magnetizing motor and method for winding coils on stator thereof  
Provided are a self magnetizing motor and a method for winding coils on a stator thereof, wherein two exciter poles are positioned at an inner circumferential surface of the stator to face each...
US20160359382 ROTATING ELECTRIC MACHINE  
An electric motor includes a housing, a rotary shaft supported rotatably by the housing, a rotor fixed to the rotary shaft, and a stator fixed to the housing and provided opposite the rotor on a...
US20070114874 Motor having a stator and a rotor made of soft magnetic powder material  
A stator includes a stator body and a plurality of compression beads formed on an outer surface of the stator body to reduce a contact surface between the stator body and an inner surface of the...
US20070114856 Soft magnetic powder-based stator for use in motor  
A stator for use in a motor, being wound with a coil, includes a main body fixed to a inside of the motor; a plurality of teeth formed to be integrated with the main body and respectively wound...

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