Variable-speed dynamotor
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United States of America Patent
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-
Mar 9, 1999
Grant Date -
N/A
app pub date -
Mar 26, 1996
filing date -
Mar 29, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A variable-speed dynamotor has a stator having a first set of windings that provide a number of poles for rotating a rotor and a second set of windings that provide a number of poles different from the number of poles provided by the first set of windings. Voltages or currents supplied to the second set of windings are controlled to generate radial forces acting on the rotor for thereby controlling a radial position of the rotor, suppressing vibrations of the rotor, adjusting rotational balancing of the rotor, and controlling radial damping of the rotor.
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