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US20130119835 MOTOR AND ELECTRONIC DEVICE COMPRISING THE SAME  
A motor comprising a stator having a plurality of magnetic poles disposed in a circumferential direction along an outer periphery thereof, a rotor disposed rotatably around the outer periphery of...
US20150061441 ELECTRIC MACHINE AND ASSOCIATED METHOD  
An electric machine includes a machine housing and a stator disposed at least partially within the housing. The electric machine also includes a radially embedded permanent magnet rotor disposed...
US20070241627 Lubricant cooled integrated motor/compressor design  
A compressor system according to the present invention utilizes direct rotational input from a permanent magnet motor to generate compressed air. The permanent magnet motor is mounted directly to...
US20080238232 Motor, rotor structure and magnetic machine  
A motor includes a stator having first and second armatures to form a rotating magnetic field, an inner rotor having first and second permanent magnets, and an outer rotor arranged between the...
US20130009505 ROTARY ELECTRIC MACHINE  
A rotary electric machine includes a stator; and a rotor including an iron core, which has a tubular connecting portion surrounding a shaft and 10 magnetic pole portions integrally formed with the...
US20080007129 Miniature electro-dynamic motor  
The present invention relates to miniature electro-dynamic motor comprising substantially concentrically arranged stator and rotor parts relative to a centre rotor axis. The rotor part comprises a...
US20080197737 PERMANENT MAGNET ROTOR ASSEMBLY  
An illustrative embodiment of the present invention is concerned with a permanent magnet rotor for an electric machine provided with an internal stator and a coaxial external rotor. To overcome...
US20080231132 PERMANENT MAGNET GENERATOR AND WIND POWER GENERATOR USING THE SAME  
A permanent magnet generator is provided that is not bulky and does not impede wind capture by a wind turbine. The permanent magnet generator includes a generator shaft; at least three rotors...
US20150108866 ROTOR ASSEMBLY FOR ELECTRIC MACHINE HAVING MECHANICAL RETENTION SYSTEM FOR MAGNETS  
A rotor assembly for an electric machine includes a plurality of lamination sheets. Each of the lamination sheets defines an aperture. The lamination sheets are disposed adjacent each other to...
US20130169098 MULTI-GRADE MAGNET FOR AN ELECTRIC MACHINE  
Apparatus and methods for improved performance of electric machines, including internal permanent magnet electric machines. In some embodiments there are multiple pairs of permanent magnets. Each...
US20130229083 Structure for Brushless Motors  
An improved structure for brushless motors comprises a stationary part and a rotary or movable part mounted relative to the stationary part. The rotary part includes a frame and a plurality of...
US20080252165 Rotor for permanent magnet motor  
A rotor (3) for a permanent magnet motor has a is rotatable around an axis of rotation (A) and has a plurality of axially extending permanent magnets (6) which are offset circumferentially in a...
US20150048706 ELECTRIC MOTOR HAVING STRUCTURE FOR REDUCING COGGING TORQUE  
A synchronous electric motor having a structure for reducing cogging torque generated by the positioning error of a permanent magnet. Protrusions are alternately arranged in regions A and B in the...
US20100327688 ELECTRIC MACHINE WITH AXIAL FLUX AND PERMANENT MAGNETS  
The invention relates to an axial flux electric machine having permanent magnets and comprising a rotor surrounding a stator. It is characterized in that the stator comprises: a “support” first...
US20150236554 Magnet Tiles Assembly  
A magnet assembly includes at least one support member, a plurality of magnets, wherein each one of the plurality of magnets is positioned relative to the at least one support member by a...
US20060097595 Rotor for an electric motor and corresponding electric motor  
This rotor is of the type comprising a plurality of magnetic driving elements (17) which are distributed around the axis of rotation of the rotor, each magnetic driving element (17) defining a...
US20130099617 ELECTRIC MACHINE WITH MAGNET HOLDER  
An electric machine having a rotor with an axially extending magnet slot. A magnetic material is mounted in a magnet holder to form a magnet holder assembly which is installed in the magnet slot...
US20120274167 BRUSHLESS DC MOTOR HAVING SLOTLESS STATOR  
The present invention relates to a brushless DC motor having a slotless stator, more particularly to a brushless DC motor having a slotless stator in that a plurality of coil winding protrusion...
US20080036215 SLOW-SPEED DIRECT-DRIVE GENERATOR  
The present invention is a slow-speed, large-scale generator and assembly procedure for that generator. The magnet is partitioned and assembled piece-by-piece after the rotor and stator have been...
US20130169097 LOW AXIAL FORCE PERMANENT MAGNET MACHINE  
An electric machine includes a plurality of teeth separated by a plurality of slots positioned on an armature of the electric machine. Each of the teeth may include at least one bifurcation. A...
US20080164780 Rotor for an electric motor, rotor discs for construction of the rotor, and an electric motor having such a rotor  
Annular rotor disc for, in an axially stacked disc assembly of a plurality of similar rotor discs (22), forming a rotor (16) for an electric motor, in which the discs (22) secure a plurality of...
US20070228864 Wave Winding Armature  
An armature for an electromotive device having a unitary coil and armature is disclosed. The armature may include a coil having inner and outer wave winding portions separated by an insulator,...
US20050253468 Rim structure particularly for cycle wheel with variable magnetic field electric generator  
A rim structure, in particular for bicycles equipped with a current generator of the variable magnetic field type, comprises a circumferentially extending tubular body (2) from which a pair of...
US20120175987 BRUSHLESS MOTOR  
A brushless motor including a stator having teeth and a rotor having magnetic pole portions is disclosed. The magnetic pole portions are arranged to have the same polarities as each other. The...
US20080088193 Rotor for a Permanent-Magnet Machine  
The object of the invention is a rotor for a permanent-magnet machine including a rotor body structure. Magnetising means formed from permanent magnets are fastened to the rotor's body structure...
US20110241467 PERMANENT MAGNET MOTOR  
A permanent magnet motor is provided. The permanent magnet motor includes: a stator including a stator core, and an insulator for insulating the stator core from the wire; and a rotor in which a...
US20130181564 ROTOR AND MOTOR  
Magnets may be embedded in first recessed portions of a rotor core, and at least one stopper is each attached to an axial end of the rotor core. The rotor core may include second recessed portions...
US20120038169 ELECTRIC GENERATOR AND PROCESS FOR ASSEMBLING A WIND TURBINE EQUIPPED WITH SAID GENERATOR  
Disclosed herein is a generator having a rotor which comprises rotor excitation element-carrying modules, for example magnets, radially movable in relation to the generator shaft in such a manner,...
US20140132103 MOTOR AND INSPECTION METHOD THEREFOR  
A motor may include a rotor having a rotation shaft made of metal and a cylindrical permanent magnet fixed to the rotation shaft, and a stator facing a peripheral face of the permanent magnet and...
US20090096308 Rotor For Electric Motor  
An electric motor has an internal ferromagnetic rotor ring and an external stator. Circumferentially distributed cutouts in the rotor receive rectangular permanent magnets each having a width b...
US20120074803 Electric generator  
My Improved Electrical Generator is a high efficiency generator that functions by a series of frictionless bearings and rotating magnets.
US20140009017 MOTOR  
A motor is disclosed, the motor including a housing, a stator mounted on the housing, and including a stator core having a plurality of teeth, an insulator and a coil, a rotor core rotatatively...
US20080226474 Flattened Brushless Motor Pump and Vehicle Electric Pump Unit Using Flattened Brushless Motor Pump  
The flattened brushless motor pump sucks liquid from suction port and discharges liquid from discharge port by rotating rotary shaft of flattened brushless motor flattened brushless motor has a...
US20090278415 CORELESS MOTOR HAVING ROTORS ARRANGED CONCENTRICALLY AND DRIVING APPARATUS HAVING THE MOTOR  
The present invention relates to a coreless motor including a multi-stage rotor and a driving apparatus having the motor. More particularly, the present invention relates to a coreless motor...
US20130270953 MAGNET COVER PLATE MODULE FOR WIND TURBINE GENERATORS, ARRANGEMENT, MOUNTING AND DISMOUNTING METHOD THEREOF  
The present invention describes a magnet cover plate module for positioning and protecting permanent magnets individually on a rotor's yoke for wind turbine generators. Said magnet module...
US20090015090 PERMANENT MAGNET ROTATING ELECTRICAL MACHINE AND PERMANENT MAGNET ROTATING ELECTRICAL MACHINE SYSTEM  
Movement of magnets due to centrifugal force is restricted. In a permanent magnet rotating electrical machine 100 having a stator 1 and a rotor core 5 provided with a plurality of permanent...
US20150180298 MOTOR STATOR WITH REDUCED COIL CONFIGURATION  
A motor is provided for use in a machine. The motor includes a segmented stator comprising magnetically isolated core segments.
US20140028138 METHOD FOR ASSEMBLING AN ELECTRICAL MACHINE  
In a method an inner segment is first pre-assembled on each of a number of outer segments by at least one fixing element, so as to produce a plurality of segment modules having each a...
US20120223607 ELECTRIC ROTATING MACHINE  
A rotor includes a rotor core and permanent magnets each of which is received in a corresponding slot of the rotor core with its magnetization direction being oblique to a radial direction of the...
US20130257210 ELECTRIC MOTOR AND ELECTRIC COMPRESSOR USING THE SAME  
Provided is an electric motor in which magnets are reduced in size, thus achieving a reduction in cost, and in which a magnetic torque and a reluctance torque are effectively used by adjusting the...
US20140191607 MOTOR ROTOR AND MOTOR HAVING SAME  
Disclosed is a motor rotor, comprising an iron core (10) and permanent magnets (20) provided inside the iron core (10). The iron core (10) is provided with sets of mounting grooves (30) on the...
US20110101905 GENERATING ELECTROMAGNETIC FORCES IN LARGE AIR GAPS  
An electromagnetic actuator generates electromagnetic forces across large radial gaps to support a body. The actuator has an actuator target having a rotational axis, and a target magnetic element...
US20140001908 PERMANENT-MAGNET TYPE ROTATING ELECTRICAL MACHINE  
A permanent-magnet type rotating electrical machine, including a rotor including a plurality of magnetic poles arranged at an equal interval, and a stator including a plurality of teeth and a...
US20140175929 Rotor Structure for a Motor  
A rotor structure for a motor includes a shaft, a single magnet and two fixing seats. The single magnet has two opposite end faces. An axial hole has a maximum extent equal to a maximum extent...
US20150222150 ELECTRIC MOTOR  
An electric motor includes a rotor including magnetic poles whose number of pole pairs is P, P being a natural number, and a stator including windings. The stator includes (3/2)×P large teeth with...
US20050179337 Axial gap electric rotary machine  
An axial gap electric rotary machine includes a rotor and a stator which face each other with an axial gap therebetween. The rotor includes permanent magnets which are arranged with their magnetic...
US20100013346 LOW SPEED, PERMANENT MAGNET BRUSHLESS MOTORS AND GENERATORS  
Low speed permanent magnet brushless motors and generators are described that employ an internal or external rotor in a radial form with a high or variable rotor pole to stator pole ratio. The...
US20140097718 BRUSHLESS MOTOR  
Disclosed is a magnetic flux concentrated-type brushless motor performing field weakening control and reducing iron loss. The teeth of the stator are provided with a stator-side wide-width...
US20060022552 Multi-phase A.C. vehicle motor  
A multi-phase A.C. vehicle motor having one or more disk rotor assemblies and pairs of stator sub-assemblies. Each disk rotor assembly has a disk and a plurality of permanent magnets distributed...
US20140111050 IPM ROTOR MAGNET SLOT GEOMETRY FOR IMPROVED HEAT TRANSFER  
A rotor includes a stack of metal laminations each having a plurality of magnet slots, corresponding magnet slots of the laminations being substantially aligned with one another and thereby...
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