Matches 1 - 18 out of 18
Match Document Document Title
7392995 Driving device for wheels  
A driving device for a wheelbarrow includes a motor assembly which has a shaft and a driving gear is connected to the shaft. The driving gear is engaged with planet gears of a gear set to drive a...
7365468 Motor stator having transposed winding layers  
An electric motor is provided with a multi-layered winding stator core configuration. A plurality of individual layers of wire strands are successively formed on each stator pole of a pole pair....
7355309 Permanent magnet rotor for a direct drive generator or a low speed motor  
In order to provide a less expensive generator, a rotor using nonmagnetic beams is disclosed. The rotor includes a magnetic steel rim connected to a main generator shaft by a hub. The magnetic rim...
7321176 Multi pole electrical machine with reduced cogging force  
A multi pole electrical machine includes an armature and a stator. The armature is movable in a direction of armature motion with regard to said stator and includes armature pole pairs. These...
7285889 Pulsed-inertial electric motor  
The invention relates to electric motors, particularly to low-voltage gearless commutator motors, and can be used as motor-wheels in transportation vehicles and in other technologies. The aim of...
7262526 Rotor for permanent magnet motor of outer rotor type  
A rotor for a permanent magnet motor of an outer rotor type having a plurality of permanent magnets and disposed around a stator includes a frame, an annular iron core combined integrally with the...
7256526 Integrated stator-axle for in-wheel motor of an electric vehicle  
One or more wheels of an electrically powered vehicle contains a motor rotor and a motor stator that is mounted on an integrated structure having a motor stator mounting element portion and wheel...
7204011 Method for manufacturing adaptive machines  
A method for assembling machines using multiple, structurally equivalent components. The characteristics of each component are tested. The tested components are sorted into component classes using...
7183689 Torque motor having a segment design  
A torque motor having an annular rotor and an annular stator. The stator includes a stator frame with iron cores and electrical windings arranged thereon. The iron cores and the electrical windings...
7119468 Electric motor  
An electric motor intended for driving transport vehicles without a reduction gear is described. The electric motor can have an annular magnetic conductor of the stator with permanent magnets...
6975054 Electric motor  
An electric motor includes a stator which carries permanent magnets, and a rotor which carries electromagnets. A particular arrangement of connecting up the windings of the electromagnets to the...
6864602 Linear motor, stage apparatus, and exposure apparatus  
A linear motor includes a coil unit and a magnet unit. The coil unit includes an inner yoke extending in a moving direction and a coil arranged outside the inner yoke. The magnet includes a magnet...
6822368 Rotary permanent magnet electric motor having stator pole shoes of varying dimensions  
Rotary permanent magnet motors have salient stator poles with nonuniform pole thickness in the radial direction for compensating effects of cogging torque. Pole base portions terminate at pole...
6812661 Multiphase motor having winding connections specific to respective operating speed ranges  
A permanent magnet motor includes salient pole stator cores. The poles and/or linking portions therebetween are wound with a plurality of winding coil sets. Mutually exclusive speed ranges are...
6802385 Electrically powered vehicles having motor and power supply contained within wheels  
An electrically powered vehicle has a motor, controller and power supply contained within a wheel compartment. A cylindrical stator frame is fixed on the wheel axle, with an inner surface of the...
6744172 Heat-dissipating fan  
A heat-dissipating fan comprises a rotor and a stator. The rotor includes a ring magnetic mounted to an outer periphery thereof. The stator includes a core. A plurality of poles integrally extend...
6727630 Rotary permanent magnet electric motor with varying air gap between interfacing stator and rotor elements  
A permanent magnet motor is configured with selective variation of the radial distance between an interfacing pair of rotor permanent magnet and stator pole along the circumferential length of the...
6657353 Permanent magnet electric machine with energy saving control  
The present invention relates to a generator of energy as a dynamo-electric machine with employment of the parallel and superposed forces, of “artificial electromagnetic reaction” between the...
Matches 1 - 18 out of 18