Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1990-10-05
1991-10-01
Stephan, Steven L.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 68B, 310 69, 310152, 310191, H02K 1100, H02K 134, H02K 2122, H02K 2354
Patent
active
050536591
ABSTRACT:
A magnetic actuator for controlling the electrical induction in a pickup coil to a predetermined speed of rotation of a workpiece actuated shaft consisting of a series of magnets in a fixed circular relationship to a rotating shaft and a complimentary series of magnets positioned on the first series and magnetically retained thereon, a series pickup coil also circularly posiitoned relative to the rotating shaft but of a greater diameter than the ring formed by the magnets, and upon the rotation of the shaft workpiece, the magnets with continue to the attracted; as the rotation increases the centrifugal force of rotation increases and as the speed of rotation attains a given speed, the centrifugal force exceeds the magnetic attraction between the two series of magnets; at this speed the second series of magnets will move outwardly from the rotating shaft; the mgneticfield of the moved magnets become vertically aligned with the series pickup coil and wherein the magnetic-field induces an electrical potential in the series picup coil. Several coil configurations and alternative magnet configurations are possible.
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Cennamo Anthony D.
Haszko Dennis R.
Stephan Steven L.
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