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9035526 Compressed motor winding  
In one possible implementation, a method for forming a motor winding is provided which includes compressing a Litz wire to form a compacted Litz wire and forming the winding with the compacted...
9033117 Motor and electric parking brake system  
A motor for actuating brake members of an electric parking (EPB) system, includes a stator and a rotor rotatably mounted to the stator. The rotor has a shaft, a commutator, a rotor core fixed to...
9027234 Motor stator automatically assembling system  
A motor stator automatically assembling system includes a feeding unit, a wire-winding unit, a first conveyer unit, a second conveyer unit, a first assembly unit and a second assembly unit. A...
8994307 Selectively lowering resistance of a constantly used portion of motor windings in an electric motor  
Dynamic reconfiguration-switching of motor windings in a motor is optimized between winding-configurations by selectively lowering resistance of a constantly used portion of one of the motor...
8987969 Stator and manufacturing method thereof  
The invention has an object to provide a stator including coils that protrude less in the radial direction of the stator and can be made smaller in the radial direction of the stator, and a method...
8987968 Power generator and wind power generation system  
This power generator is so formed that a number q of slots per pole per phase obtained by dividing the number of slots by the number of poles of permanent magnets and the number of phases of...
8981696 Dynamic reconfiguration-switching of windings in an electric motor in an electric vehicle  
Dynamic reconfiguration-switching of motor windings in an electric motor in an electric vehicle is optimized between winding-configurations. Acceleration is traded off in favor of higher velocity...
8946964 Modular windings for an electric machine  
The invention incorporates a modular winding system for an electrical machine that includes a plurality of readily assembled modular windings for engaging a plurality of stator teeth of the...
8941280 DC motor with concentrated windings having connecting wires run through armature slots  
A dc motor includes a stator having multiple field magnet poles, and an armature having an armature core, armature coils, and a commutator, and brushes brought into contact with the commutator....
8928199 Wound rotor brushless doubly-fed motor  
A wound rotor brushless doubly-fed motor includes a stator and a rotor. The stator includes two sets of three-phase windings and the number of pole pairs is p1 and p2 respectively. The rotor...
8911221 Leaf blower  
A blower assembly for a leaf blower has a case, a motor, an impeller driven by the motor, and an axial fan driven by the motor. The axial fan and the impeller are connected to opposite ends of the...
8896178 Synchronous electric motor drive system having slit windings  
A synchronous motor drive system improves the design flexibility regarding torque characteristics as compared with conventionally available design flexibility. A synchronous motor has a rotor and...
8875381 Method of manufacturing rotary electric machine  
A coil strand is wound on an insulator to produce a divided core member, and then the divided core member is placed on a table. While the table rotates about its axis, ends of the coil strands are...
8836195 Three-phase electric-motor winding with differing turn numbers forming fractional effective turns  
A motor is provided. When m is half of a number of slots of one phase and n is a divisor of m, the overall parallel winding of a total number of parallels p is equally divided n-fold into partial...
8829755 Composite permanent magnet synchronous machine  
A composite permanent magnet synchronous machine includes a permanent magnet synchronous machine module having a rotor unit and a stator unit; a bottom base having an accommodation space; a top...
8823236 Stator winding for rotating electric machine  
An object is to provide a rotating electric machine offering a high output and high efficiency by balancing inductance of each phase even if a stator is used in which stator windings of different...
8803397 Armature winding of rotating electrical machine  
According to one embodiment, there is provided a 3-phase 2-pole 2-layer armature winding, housed in 72 slots provided in a laminated iron core, a winding of each phase including six parallel...
8796899 Rotary electric machine  
The stator winding includes: a first three-phase wye-delta hybrid winding that is configured by connecting phase windings of a first wye winding to respective output ends of a first delta winding;...
8791619 Disc motor and electric working machine equipped with disc motor  
A disc motor includes an output shaft, a coil disc, an electric current supplying section, and a magnet. The coil disc is disc-shaped. The coil disc includes a first coil and a second coil. The...
8766504 Electric motor  
An electric motor has a rotor, a stator and brushes. The rotor has a shaft, a rotor core fixed to the shaft and having a plurality of teeth, a commutator fixed to the shaft adjacent the rotor core...
8749106 Electric motor  
An electric motor has a stator and a rotor magnetically coupled to the stator. The rotor has a shaft, a rotor core fixed to the shaft and having a plurality of teeth, a commutator fixed to the...
8736216 Electric drive with electronically scalable reconfigurable winding  
A stator phase circuit for an electric machine includes a phase winding circuit including a plurality of series coupled sub-winding circuits, each sub-winding circuit includes a respective...
8736131 Dynamoelectric machine with noise reduction  
The present invention provides a dynamoelectric machine that can reduce 12f vibrational force and suppress generation of irritating electromagnetic noise in a vicinity of 2,000 Hz in an idling...
8736127 Dynamoelectric device and method of forming the same  
A dynamoelectric device comprises a plurality of armatures arranged circumferentially about an axis, sets of electrically conductive winding members that extend axially through the stack of...
8729765 Field coil for an electric machine  
A field coil segment for an electric machine including a rotor and a stator includes a first wire element having a first cross sectional area electrically connected in parallel with a second wire...
8726493 Clamping system of special conductors for a stator or rotor bar winding for an electric machine  
It is described a clamping system (30) of special conductors (S1, S2, S3) for a stator or rotor bar winding (U1, S1, S2, S3) for an electric machine, such as connection terminals (S1), jumpers...
8698370 Method for producing the rotor winding of an electrical machine, and an electrical machine with a rotor winding which is produced in accordance with this method  
The invention relates to a method for producing the rotor winding of an electrical machine having at least four exciter poles in the stator (11) and having a commutator rotor (13) with a number of...
8680734 Compact starter-generator with common core for main and exciter winding  
A power system for a vehicle may comprise an electric machine attached to an engine of the vehicle. The electric machine may comprise only one stator core; a stator main winding wound on the one...
8659202 Stator for electric rotating machine  
A stator includes a stator core and a stator coil comprised of a plurality of electric conductor segments mounted on the stator core. Each of the electric conductor segments has an insulating...
8643238 Intelligent cascaded synchronous electric motor-generator tandems of cumulative compound excitation  
A intelligent cascaded synchronous electric motor-generator tandem of cumulative compound excitation comprises at least a synchronous electric motor-generator tandem (namely MG tandem), a storage...
8643240 Superconducting rotating electrical machine and stator for use with superconducting rotating electrical machine  
A superconducting rotating electrical machine has a rotor with superconducting windings and a stator disposed around the rotor. The stator has a number of teeth disposed at a regular interval...
8629596 End turn arrangement  
The invention relates to an end turn arrangement in a stator of a dynamoelectric machine. In order to reduce, in a simple fashion, the volume required for the end turns of the form-wound coils,...
8610326 Stator designed to minimize leakage current and electric rotating machine using same  
A stator which may be employed in an electric rotating machine. The stator includes a stator winding which includes in-slot portions disposed in slots of a stator core. The in-slot portions are...
8587177 Stator and method of manufacturing unit coil to be used therein  
A stator includes a stator core and a distributed winding type multi-phase coil. This coil includes unit coils made by winding a flat conductor wire in plural turns. The unit coils are mounted in...
8581467 Stator including a cage coil  
A stator comprises: a stator core having a plurality of slots; and a cage coil formed of a rectangular combined conductor that is wound by a plurality of turns. The combined conductor includes: a...
8581465 Generator  
A generator comprises: a stator plate having a first fixed permanent magnet including a plurality of magnets on one side and a second fixed permanent magnet including a plurality of magnets on the...
8575811 Motor  
A motor has a stator and a rotor. The stator has 2P poles wherein P is an integer greater than one. The rotor has a shaft, a rotor core and a commutator fixed to the shaft. The commutator has m...
8564167 3T-Y winding connection for three phase multiple-speed motor  
A three-phase, multi-speed electric induction motor assembly is configured to include a controller to change motor speeds. The motor assembly includes a stator core assembly, a pair of main...
8552610 Alternator and corresponding electric system  
An alternator including a rotatably-assembled permanent magnet, the magnetization direction of the magnet being orthogonal to the rotation axis, and a winding with no iron core surrounding the...
8536755 Armature winding of rotating electrical machine  
According to one embodiment, there is provided a 3-phase 2-pole 2-layer armature winding, housed in 72 slots provided in a laminated iron core, a winding of each phase including six parallel...
8531079 Motor and motor driven power steering system using the same  
The present disclosure relates to a motor and a motor driven power steering system using the same. More particularly, the present disclosure relates to a motor adapted to maintain a balance of...
8519590 Magneto generator with multiple sets of three-phase windings  
A magneto generator can be made small in size and light in weight, and improved in power generation efficiency. The magneto generator includes an iron core having an iron core main body and a...
8519592 Synchronous electric motor  
A synchronous electric motor includes rotor having a plurality of radially-oriented magnetic dipoles and a stator. Stator teeth group with a plurality of sets of stator teeth are arranged in the...
8519591 Dynamoelectric machine that increases an output from a rectifier at low speed rotation  
A dynamoelectric machine includes: a rotor that has 2n field poles, where n is a positive integer; and a stator including: a stator core in which 2nĂ—6 slots that are partitioned by adjacent teeth...
8502431 Coil structure for a coreless motor  
A coil structure for a coreless motor includes a plurality of first conductive traces and a plurality of second conductive traces. The first conductive traces are disposed in succession relative...
8497615 Rotary electric machine  
A stator winding is configured by connecting a first three-phase stator winding and a second three-phase stator winding in parallel. A U1-phase winding of the first three-phase stator winding is...
8492949 Electric motor  
The electric motor of the present invention is capable of improving efficiency of level-winding coil cables and increasing lamination factors of coils. The coil cable, which is wound on first...
8487499 Electric rotating machine drivable with a single three-phase inverter  
In an electric rotating machine, a stator coil is comprised of first and second winding groups. The stator coil is wound around a stator core in a concentrated winding manner so that the phase...
8476800 Three-phase motor with overlapping coils and fan  
A three-phase motor includes a bearing structure, a rotor structure and a stator structure. The bearing structure has a bushing. The rotor structure has a shaft disposed in the bushing. The stator...
8476801 Stator, and stator manufacturing apparatus  
An apparatus for manufacturing a stator. On a split core of the stator, there are wound main conductors and two auxiliary conductors, which are thinner than but correspond to the main conductors....