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US20080054733 Slotless Ac Induction Motor  
The present invention is a rotating induction motor that is capable of providing higher peak torque than a conventional design, which achieves the shortcomings of the prior art by in regard to...
US20120080970 HIGH VOLTAGE AND HIGH TEMPERATURE WINDING INSULATION FOR ESP MOTOR  
A litz wire includes, in one embodiment, a plurality of twisted strands, wherein one or more of the strands includes a composite magnet wire. The composite magnet wire includes a metal wire having...
US20100038987 Motors Having a Hyperbolic Cosine Curve Shape  
A motor having a hyperbolic cosine curve shaped rotor and a matching hyperbolic cosine curve shaped stator.
US20150015109 SPINDLE MOTOR AND HARD DISK DRIVE  
A spindle motor is provided in which the scattering of contaminating particles are prevented in a stainless steel part used therein. so that a hard disk drive can be prevented from being damaged...
US20080019850 Electric Pump  
The present invention provides a compact electric motor, thus ensuring improved in-vehicle mountability. A pump is driven by an electric motor. The pump has a coil 14 disposed in a ring form...
US20100320879 Power-Generating wheel hub  
A power-generating wheel hub includes a hub shaft including a mounting section, and a bobbin including a tubular body sleeved around the mounting section, two flange plates connected respectively...
US20120133234 ELECTRICAL SPHERICAL GENERATOR OF MAGNETIC INDUCTION  
A spherical generator comprises a permanent magnet sphere (4) which center of mass is shifted from the geometrical centre. A curved coil system (1) forming a sphere movably surrounds the permanent...
US20130082562 SPINDLE MOTOR  
Disclosed herein is a spindle motor including: a base; a sleeve fixedly coupled to an inner side of the base; a core coupled to an upper portion of the base and having a coil wound therearound; a...
US20100026008 SYNCHRONOUS GENERATOR AND SYNCHRONOUS GENERATOR SYSTEM  
A synchronous generator 1 including a rotor having a field winding placed in the slots thereof and a stator having an armature winding placed in the slots thereof, wherein the value of the number...
US20080042507 Turbine starter-generator  
The invention consists of a ring motor, in which a first ring forms a toroidally wound stator and a second ring forms the rotor. A turbine is fixed to the rotor ring. The invention is specifically...
US20110193442 INSULATED WIRE, ELECTRICAL COIL USING THE INSULATED WIRE, AND MOTOR  
There is disclosed an insulated wire comprising a conductor, a primer layer coating the conductor, and an insulating layer coating the primer layer. The primer layer is formed by curing an epoxy...
US20110273041 ELECTRICITY-GENERATING DEVICE  
An electricity-generating device has a rotator unit has a rotator, multiple magnetic strips and a shaft and has a stator unit comprising multiple annular steel sheets, a positioning post, multiple...
US20140300295 Electric Motors Having Modular Construction, Power Sharing and Performance Configurability  
Modular motor apparatuses, systems and methods are disclosed. Certain embodiments comprise a motor core and driver module a power supply module, and an external interface module. Families of these...
US20080012442 INSULATING COVER FOR A BAR TO BAR CONNECTION OF A STATOR WINDING OF AN ELECTRIC MACHINE  
An insulating cover or a bar-to-bar connection of a stator winding of an electric machine has only one opening and is made from a flexible insulating material embedding the bar-to-bar connection...
US20060290223 External rotor drive  
A rotary body for a printing press, comprising a stator and a rotor, which can be rotated in relation to the stator and equipped with at least one permanent magnet. At least one stator winding is...
US20110309619 Generator with Falling Stator  
A generator is provided including a rotatable pressure vessel with an inner and outer surface. Electromagnets are disposed on the inner surface of the pressure vessel. A biasing structure is...
US20070290565 Rotor Structure of Rotating Electric Machine  
A rotor includes a rotor core and disk-shaped end plates provided to sandwich the rotor core in the direction of a rotation shaft. The end plates are each formed to have one end face relatively...
US20140203899 ELECTROMAGNET, MOTOR AND SOLENOID  
An electromagnet includes a core and a wire wound on the core. The wire includes an electric conductor and a magnetic layer provided on a surface of the electric conductor.
US20090021093 Electric Motors  
Electric motors, for example wet rotor motors, include a rotor, a winding support, and plurality of electrical windings surrounding the rotor. In some implementations, the winding support is a...
US20070013259 Rotary electric machine with stator outer surface designed to enhance heat dissipation  
According to the present invention, a rotary electric machine includes a rotor with a rotary shaft, a stator surrounding an outer periphery of the rotor, and a frame supporting the rotor and the...
US20090179530 STATOR WINDING HAVING SAME RADIAL POSITIONS  
Disclosed is an improved stator for a dynamoelectric machine including a stator core which has a plurality of core slots extending axially from a first end of the stator core to a second end of...
US20100013233 Vertical shaft, horizontally driven, shrouded wind/electric system  
(1) A vertical shaft, horizontally driven, shrouded wind turbine utilizing one common vertical shaft turned by a series of fixed vertical wing type blades extracting maximum energy from the wind...
US20060145561 Three-phase synchronous reluctance motor  
To provide a three-phase synchronous reluctance motor which allows its stator to be formed compact by means of reduction in the width of a part of a back yoke portion of a stator while avoiding...
US20090309451 ELECTRICAL MACHINE WITH SINGLE-TOOTH ROTOR WINDING  
The invention relates to an electrical machine with at least eight exciter poles in the stator and with a commutator rotor, comprising numerous pole teeth, differing from the number of exciter...
US20090152974 STEPPER MOTOR DEVICE  
A stepper motor device has a stator and a rotor. The rotor comprises: a shaft; a rotor core associated with the shaft; and a magnet fixed to the rotor core. The stator comprises: a stator shell; a...
US20140197709 ASSEMBLY CONDUCTING WIRE FOR ROTARY ELECTRIC MACHINE WINDING AND ROTARY ELECTRIC MACHINE  
An assembly conducting wire for a rotary electric machine winding includes a plurality of bundled wires, the plurality of wires being twisted in a circumferential direction of the assembly...
US20050258702 Multiple winding coil shapes for increased slot fill  
A stator of an electric machine includes stator teeth. First windings are wound around first stator teeth and define a first cross section having a width that is narrower at a first radial edge of...
US20070216244 Motor with rotor supporting windings  
The present invention relates to the use of stator windings of an induction machine to provide both rotation of the rotor and active rotor positioning within the stator frame by modification of...
US20120025658 STATOR  
To provide a stator capable of achieving downsizing and high output power and a stator manufacturing method, a stator comprises a split stator core including teeth and slots formed between the...
US20050127771 Generator with output options and low loss windings  
A more fuel efficient automotive generator, then present alternators, because of its better magnetic utilization of its series connected copper windings on its salient stator poles. It also has...
US20130257214 GLASS FIBER COMPOSITE MATERIAL FOR ELECTRICAL INSULATION  
A composite electrical insulation material is comprised of first, second and third layers. The first and third layers are glass fiber mat and the second layer is a thin film material. The first...
US20070267932 Stator for inner rotor type rotating electric machine  
A stator for an inner rotor type rotating electric machine including: an annular armature core comprised of a plurality of arcuate segmented cores circumferentially arranged; a bobbin assembly...
US20070152520 ROTATING MACHINERY  
In a rotating machinery having armature windings constituted by a lot of strands, when the armature winding is constituted by four layers, a step number of the strands becomes half with respect to...
US20060152100 Vehicle alternator having reduced windings  
A stator for an electric machine includes a generally cylindrically-shaped stator core having a plurality of circumferentially-spaced and axially-extending core teeth that define a plurality of...
US20050189834 Rotating machines, insulation coils, and epoxy resin composition for rotating machines and insulation coils  
In order to offer the epoxy resin composition allowing much lower viscosity and higher heat resistance (glass transition temperature) of cured product to coexist and lowering hygroscopic property,...
US20140152140 Electric Machine And Method For Winding A Coil Of An Electric Machine  
The present invention relates to an electric machine, in particular a brushless permanent magnet motor, comprising a stator which comprises a plurality of teeth having at least one needle-wound...
US20070052314 Structure of generator/motor  
This invention is directed to an apparatus of “structure of generator/motor”, primary consists of at least a pair of magnetic component and corresponding coil set, and characterized by: the...
US20130057099 Three Phase Synchronous Reluctance Motor with Constant Air Gap and Recovery of Inductive Field Energy  
A synchronous reluctance motor system is disclosed. The system may generally comprise an input power source that provides alternating phase current and voltage (e.g., AC current). The input power...
US20050017592 Rotary electric machine having armature winding connected in delta-star connection  
An armature of a rotary electric machine includes a cylindrical armature core and an armature winding wound on the core. The armature winding is connected in a combination of a delta-winding and a...
US20080136286 CONCENTRATED WINDING COIL AND METHOD OF MANUFACTURING SAME  
A concentrated winding coil according to the present invention comprises a plurality of coil layers each of which comprises a plurality of wire turns wound in alignment winding; and a bobbin...
US20140021279 HEAVY DUTY MILL  
In a drive arrangement for a heavy duty mill an electric motor with a high number of magnetic poles and a stator that is segmented into at least four stator segments is used. By providing one,...
US20090146522 Electric servomotor  
An electric servomotor for a power-assisted steering system in a vehicle has a stator laminated core having an outer diameter and an active length. In order to provide an electric servomotor for a...
US20050218741 Generators, transformers and stators containing high-strength, laminated, carbon-fiber windings  
This invention is directed to motors, rotors and stators, transformers, generators and related apparatus comprising carbon fiber windings, and in particular, laminated carbon fiber windings for...
US20080067883 Generator and/or motor assembly  
A generator and/or motor device that includes an inner stator having one or more inner coils, an outer stator shell having one or more outer coils, and a rotor assembly arranged radially between,...
US20120161566 STATOR FOR ELECTRIC ROTATING MACHINE AND METHOD OF MANUFACTURING THE SAME  
A stator for an electric rotating machine includes a hollow cylindrical stator core, a stator coil, an outer cylinder, and at least one restraint. The stator core is comprised of a plurality of...
US20060267438 Rotor winding  
Rotor winding assembly for a rotary electric motor, wherein the rotor winding has a V-shaped pattern, instead of a conventional H-shaped pattern. The V-shaped pattern makes it easier to...
US20080238226 STATOR AND GAP WINDING MOTOR USING THE SAME  
A so-called gap winding motor capable of preventing a rotation detector from being affected by noise generated by a stator coil connection portion and decreasing the size and cost is provided. The...
US20150108868 TORQUE RIPPLE REDUCTION IN ELECTRIC MACHINES  
An electric machine, such as an Internal Permanent magnet or Synchronous Reluctance machine, having X phases, that includes a stator assembly, having M slots, with a stator core and stator teeth,...
US20070200452 BRUSHLESS MOTOR  
A brushless motor with a rotor having a magnet and a magnetic return, the magnet and magnetic return being arranged to form a gap therebetween, and a stator having a coil disposed in the gap. It...
US20100123363 METHOD OF PREVENTING CORROSION IN A PUMP MOTOR FOR A DISHWASHER, AND ASSOCIATED APPARATUS  
A method of preventing galvanic corrosion in a pump motor for a dishwashing appliance is provided, wherein the dishwashing appliance includes a tub portion and a sump assembly disposed about a...
Matches 1 - 50 out of 155 1 2 3 4 >