Welch motor with gyrating rotor

Abstract

Abstract (THIS DISCLOSURE RELATES TO A NEW TYPE OF) A STEPPER MOTOR (WHEREIN THERE IS PROVIDED) HAVING A STATOR WITH A ROTOR ECCENTRICALLY POSITIONED IN THE STATOR FOR ROLLING MOVEMENT ABOUT THE INTERIOR OF THE STATOR SUCH THAT THE AXIS OF THE ROTOR REVOLVES ABOUT THE AXIS OF THE STATOR IN ONE DIRECTION. AN OUTPUT SHAFT IS PROVIDED WITH AN OUTPUT RING PREFERABLY HAVING GEAR TEETH AND CONCENTRICALLY POSITIONED WITHIN THE STATOR WITH ITS PERIPHERY IN ENGAGEMENT WITH THE PERIPHERY OF THE GYRATING ROTOR. THE DIAMETER OF THE ROTOR IS INTERMEDIATE THE INSIDE DIAMETER OF THE STATOR AND THE DIAMTER OF THE OUTPUT SHAFT RING SO THAT THE OUTOUT SHAFT RING WILL ENGAGE AN INSIDE SURFACE OF THE ROTOR AND WILL BE CAUSED TO ROTATE UPON GYRATING MOVEMENT OF THE ROTOR. THE ROTOR ITSELF IS MAINTAINED IN ROLLING ENGAGEMENT WITH THE INTERIOR OF THE STATOR BY THE MAGNETIC ATTRACTION OR REPULSION PRODUCED BY SUITABLE STATOR FIELD WINDINGS AND POLE PIECES WHICH WOULD FUNCTION TO PROVIDE A ROTATING MAGNETIC FIELD IN THE MANNER SIMILAR TO CONVENTIONAL STEPPER MOTOR STATOR FIELDS. GEAR TEETH MAY BE PROVIDED BETWEEN THE ENGAGED ROLLING PORTIONS TO PREVENT SLIPPGE. THE RELATIVE DIAMETERS OF THE STATOR, ROTOR, AND OUTPUT SHAFT RING AND ADJUSTED TO PROVIDE A DESIRED INCREMENTAL STEP OR SHAFT ROTATION FOR A GIVEN DEGREE OF ROTATION OF THE STATOR FIELD.

Inventors

No inventors recorded.

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