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Match Document Document Title
US20130099625 SPINDLE MOTOR  
Disclosed herein is a spindle motor including: a shaft forming a rotation center of the motor; a sleeve receiving the shaft therein and rotatably supporting the shaft; a thrust plate protruding in...
US20110095644 ELECTRICAL GENERATOR AND ELECTRICITY GENERATION SYSTEM  
The present invention relates to an electrical generator (40) and an electricity generation system (10 or 11 or 12) incorporating the generator. The generator comprises a stationary part (42) and...
US20070138902 Motor in which an electric leakage to a shaft is prevented  
The present invention relates to motors each having a rotor with a metal rotor frame, a metal rotation shaft, and a rotation shaft supporting member connected between the rotor frame and the...
US20080265702 Permanent magnetic brushless motor with length adjustable air gap based on load  
A permanent magnetic brushless motor with a length adjustable air gap comprises: a body; a stator secured to one end of the body; a spindle pivotally installed to the body; a part of the spindle...
US20060152094 Rotor for micro-servomotor, and micro-servomotor equipped with said rotor  
A rotor for a micro-servomotor is reduced in weight and imbalance. The rotor R is provided with a molded resin member 3 having an inclined surface 3a, the resin member 3 being formed by filling an...
US20070252465 Outer-rotor-type magneto generator  
An outer-rotor-type magneto generator comprising: a magnet rotor having a cup-shaped rotor yoke and permanent magnets bonded to an inner surface of a periphery wall portion of the rotor yoke; and...
US20050040719 Rotor bush, motor equipped therewith, and manufacturing methods therefor  
In order to position the rotor of the motor in the axial direction of the shaft, the rotor bush is placed in a prescribed position. This rotor bush comprises, all integrally machined from a planar...
US20070267933 LAMINATIONS FOR ELECTRIC MOTORS AND A METHOD OF MANUFACTURING THE SAME  
The present invention relates to a stackable lamination for rotors of electric motors having inclined or helical slots, and a method for manufacturing the lamination. The lamination comprises at...
US20060038462 Rotor for a generator, in particular a high-power turbogenerator  
A rotor for a generator, in particular a high-power turbogenerator, has slots, which run axially in a rotor body and have conductor bars inserted in them, which are supported radially in the slots...
US20070013260 Commutator motor  
A motor includes a rotor, a commutator, a brush, and a bias member. The commutator has a rectifying surface. The commutator rectifies an electric current supplied to the rotor through the...
US20070114870 Induction motor capable of utilizing magnetic fluxes of end-turns of a stator to increase torque of a rotor  
An induction motor includes a stator having stator cores and coils wound on the stator cores to leave end-turns, and a rotor rotatably provided at an inner side of the stator with a gap left...
US20070252473 DYNAMO-ELECTRIC MACHINE ROTOR  
It is an object of this invention to provide a dynamo-electric machine rotor which effectively and uniformly cools a rotor coil outside a rotor core by forming a ventilating groove in the rotor...
US20110156527 Motor  
There is provided a motor. A motor according to an aspect of the invention may include: a rotor case having a coupling hook extending downward in an axial direction, secured to a shaft, and...
US20080211339 ROTOR FOR A GENERATOR  
A rotor (10) for a generator, especially for a turbogenerator, is assembled from a plurality of separate rotor elements (11, 12) which are arranged one behind the other in the rotor axis (18),...
US20070138903 Rotor assembly of brushless motor  
A rotor assembly of a brushless motor is provided herein, which contains an axle, a rotor encircling the axle coaxially, and a layered structure therebetween tightly joining the rotor and the axle...
US20080143202 Rotor Pole Crossover Connection  
A rotor pole crossover connection joint for use in a rotating electrical machine is disclosed. The connection joint integrally couples a bottom rotor coil strap to a rotor pole crossover connector...
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...
US20100001608 ROTOR FOR ELECTRIC MACHINE  
Electric machine rotor comprising: an inner rotor element and an outer rotor element positioned more outwards in the radial direction than the inner rotor element, the inner rotor element and the...
US20050067918 Industrial motor assembly comprising a vented rotor shaft  
Certain exemplary embodiments comprise a device and/or an electric motor comprising an elongated, substantially rigid rotor shaft, the rotor shaft defining a plurality of longitudinal flutes;...
US20090026877 STIR-WELDED ROTORS AND METHODS OF MAKING  
Provided are stir-welded rotors and methods of making these. An exemplary stir-welded rotor may include a stack of laminations that each has spaced-apart slots arrayed on an outer circumference....
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...
US20120274175 DISK MOTOR AND ELECTRIC POWER TOOL  
A disk motor and an electric power tool in which positioning of a coil disk with respect to a commutator disk can be carried out while reliably ensuring insulating properties are provided. A disk...
US20070096575 Flywheel magnet rotor  
A flywheel magnet rotor comprising: a flywheel having a peripheral wall portion and a bottom wall portion formed with a boss in a center thereof, and formed with vent holes passing through the...
US20070114857 Rotor device  
A rotor device includes a hub and a case member disposed in the hub. The hub has a closed end and an open end with the outer surface of the closed end providing a first opening and the inner...
US20080048361 METHOD FOR SHEATHING AN ARMATURE FOR ELECTRICAL MACHINES  
A method for sheathing an armature for electric machines, in which a stack of lamellae that is equipped with grooves for armature windings is mounted on an armature shaft by means of a bore and is...
US20090056103 Rotor Shaft and Method of Manufacturing the Same  
Disclosed is a method of manufacturing a rotor shaft including a rotor and a shaft having a groove formed on a periphery to open radially outwardly, the rotor being fixed to the shaft through a...
US20060208603 Rotating electric machine with variable length air gap  
A variable reluctance electric motor is disclosed. The motor has a generally circularly shaped stator core having at least one pole and a winding disposed thereon. Furthermore, the motor has a...
US20070228856 Efficiency magnetic motor  
A magnetic motor includes a rotating component having at least one magnet arranged on at least one spoke or rotating disc. The magnetic motor also includes a coil disposed adjacent to the rotating...
US20070114864 Motor with position-adjustable rotor  
A motor with a position-adjustable rotor, wherein a rotational shaft of the motor is rotatably supported by a holder assembly, includes a rotor of which the rotational shaft is fixed in a central...
US20060261700 Method of making armature and power tool; electric motor and armature therefor  
An armature for an electric motor has a lamination stack having slots in which magnet wires are wound. An armature shaft extends coaxially through the lamination stack and a commutator is disposed...
US20080315715 ROTOR CORE ASSEMBLY FOR ELECTRIC MOTOR  
A rotor core assembly for an electric motor includes a stack of laminations and first and second end plates disposed at opposite ends of the stack of laminations. A plurality of concentric...
US20070063612 Motor rotor having insulator including glass fiber  
A motor rotor having an insulator coated on a contact surface of a core around which a coil is wound. The insulator is formed of plastic liquid on the exterior circumference of the core by insert...
US20100013350 ROTOR AND ROTATING ELECTRIC MACHINE WITH THE ROTOR  
A motor includes: a rotating shaft having a key groove formed in the peripheral surface of the rotating shaft; a rotor core having a through hole in which the rotating shaft can be received and a...
US20070194655 Automotive AC generator designed to establish shaft-to-shaft connection with engine  
An automotive AC generator is provided which includes a rotary shaft and a generator connector jointed to the rotary shaft. The generator connector is designed to establish a mechanical connection...
US20070132324 Rotary electric machine including a brake engaging two opposite braking surfaces  
The present invention relates to a rotary electric machine comprising: a stator; a rotor having an axis of rotation, and comprising a tubular end wall defining two opposite braking surfaces; and...
US20070096589 Electric machine rotor fan and pole retention feature  
Disclosed herein is a rotor assembly for an electric machine which includes a shaft having a slip ring end. A first pole segment rotatable with the shaft. A second pole segment rotatable with the...
US20080284274 VIBRATION-DAMPING ROTOR ASSEMBLY  
A rotor assembly comprising: an inner rotor and an outer rotor for rotating in a magnetic field of a motor, the inner rotor comprising a main inner rotor cavity, and a plurality of first holes...
US20120274157 MOTOR AND ELECTRIC DEVICE INCLUDING THE SAME  
A motor includes a stator having a stator iron core wound with stator windings, a rotor rotatably mounted on a shaft, a bearing for supporting the shaft, and a conductive bracket for fixing the...
US20050104461 Method and system for assembling an electricity generating unit  
The invention relates to a method and system for assembling an electricity generating unit consisting of a generator and a reciprocating engine as the drive, in particular for centring an internal...
US20070103017 Superconducting generator rotor electromagnetic shield  
A unitary bimetallic shield ring for a superconducting generator rotor includes coaxial inner and outer cylindrical portions. The outer cylindrical portion comprises a first metallic material for...
US20070152521 Motor of washing machine  
The present invention relates to a motor for a washing machine for enhancing rigidity of a rotor frame, easy verification and adjustment of a gap, and improving a cooling performance of the motor....
US20060028074 Rotor for rotating electric machine  
A rotor for a rotating electric machine comprises a rotor core, and a plurality of rotor conductors wound on the rotor core. At least one of the rotor conductors is provided with a cooling groove,...
US20060017339 Brushless canned motor  
The present invention provides a means for constructing a brushless canned motor that is compact enough to be suitable for use in small appliances, such as electronic devices. The rotating parts...
US20080012434 Motor and rotor structure thereof  
A rotor structure of a motor includes a shaft, a holding ring, at least one connecting portion and a magnetic element. The holding ring is disposed on and connected with a periphery of the shaft....
US20080150387 Rotatable magnetic device  
A rotatable magnetic device has a housing, a shaft, a stator, a rotor and a cord. The housing is hollow and has an inner wall. The shaft is mounted coaxially and rotatably in the housing. The...
US20060091752 Electric motor and electric compressor  
An electric motor includes a stator and a rotor disposed surrounding the stator and being rotatable around the stator. The rotor has a plurality of permanent magnets each of which is movable in a...
US20080315714 Electrical Rotating Machine Comprising an Intermediate Sleeve Interposed Between the Shaft and the Polar Wheels and Method for Making the Rotor  
An electrical rotating machine rotor, in particular for a motor vehicle, comprising a central shaft, an annular core coaxial with the shaft and two polar wheels which are axially arranged on...
US20080073996 MOTOR STATOR  
A stator motor includes at least one claw-pole assembly (30a, 30b) for coils wound thereon. The at least one claw-pole assembly includes a pair of yokes (10a, 20a, 10b, 20b) facing towards each...
US20070170800 Rotor for Brushless Motor  
A magnet is magnetized in a stable magnetizing magnetic field to reduce inertia of a brushless motor without degrading motor characteristics. [Means For Solving Problems] A hollow cylindrical...
US20070096588 ROTARY SUPPORT WITH ELASTIC CONNECTION DEVICE FOR INSTALLATION OF ELECTRIC MACHINES IN TUBES  
Torque transmission between a tube and a drive unit mounted in the tube is ensured with the aid of a component which is optimized for installation while providing a sufficient centering effect. A...

Matches 1 - 50 out of 125 1 2 3 >