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US20080238265 Stepping motor and rotor  
A stepping motor has a stator and a rotor disposed to surround the stator. The rotor has an annular magnet which has a plurality of magnetic poles formed along a circumference thereof, and a...
US20080018194 CLAW-POLE TYPE SINGEL-PHASE MOTOR, CLAW-POLE TYPE SINGLE-PHASE MOTOR SYSTEM AND ELECTRIC PUMP, ELECTRIC FAN AND VEHICLE PROVIDED WITH CLAW-POLE TYPE SINGLE-PHASE MOTOR  
A single-phase claw-pole type motor comprises a stator, which comprises a claw-pole type stator core and toroidally-wound single-phase stator windings, and a rotor that has alternate polarities,...
US20080042525 Stepping motor  
A The stepping motor includes an annular permanent magnet, a nut inserted into the center of the permanent magnet, the nut having screw threads formed on the inner periphery thereof, and a shift...
US20080224573 Step motor  
A step motor includes a rotor, which has a driving member and a permanent magnet set that is affixed to the driving member and has multiple magnetic poles alternatively arranged around the driving...
US20090108711 HYBRID STEPPING MOTOR HAVING HIGH TORQUE DENSITY  
There is provided a hybrid stepping motor comprising the following: a first rotor yoke and a second rotor yoke, each of the rotor yokes having a plurality of rotor teeth on a periphery thereof; a...
US20090200877 STEPPING MOTOR  
A stepping motor is provided with a rotor having with a rotor shaft A permanent magnet is attached to an outer peripheral side of the rotor shaft and a stator having pole teeth faces the permanent...
US20080018195 Claw-Teeth-Type Rotating Electrical Machine  
The present invention realizes reduction in vibration and noise while utilizing reluctance torque. A rotating electrical machine of the present invention includes: a rotor in which a plurality of...
US20090058233 STEPPING MOTOR  
A stepping motor may include a rotor having a rotation shaft and a permanent magnet, a stator provided with a stator core formed with a flange part and pole teeth, a drive coil and a terminal...
Matches 1 - 8 out of 8