Two degree-of-freedom electromagnetic machine
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United States of America Patent
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Jul 19, 2022
Grant Date -
Aug 5, 2021
app pub date -
Apr 28, 2020
filing date -
Feb 5, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A two degree-of-freedom electromagnetic machine includes an inner stator, a plurality of stator windings, an outer stator, a voice coil winding, a rotor, a plurality of spin magnets, and a plurality of tilt magnets. The plurality of stator windings, when electrically energized, impart a torque on the rotor that causes the rotor to rotate, relative to the inner and outer stators, about a first rotational axis, and the voice coil winding, when electrically energized, imparts a torque on the rotor that causes the rotor to rotate, relative to the inner and outer stators, about a second rotational axis that is perpendicular to the first rotational axis.
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