Muncy, Geissler, Olds & Lowe, P.C.
Step motor
A step motor includes a stator and a rotor. The stator includes a stator core and stator windings. The stator core includes a ring shaped yoke and a plurality of teeth extending inwardly from the ring shaped yoke. The rotor is rotatably mounted with respect to the stator. The rotor includes a permanent magnet member surrounded by the plurality of teeth. The stator windings are wound around the plurality of teeth to form a plurality of stator poles. The stator core are formed from a core strip with High magnetic conductive, the core strip are bent to enable opposite ends of the core strip to be connected with each other. The step motor of the present invention has a simplified structure and enhanced efficiency.
JOHNSON ELECTRIC INTERNATIONAL AG
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Chui You Yue Yong Yong
Zhou Li Li Wang