VARIABLE-SPEED MAGNETIC COUPLING AND METHOD FOR CONTROL

An apparatus includes a first rotor operatively connected to an output shaft and holding a first array of pole pieces; a second rotor operatively connected to an input shaft coaxially with the first rotor and holding a second array of pole pieces; and an array of field windings disposed coaxially wi...

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Bibliographic Details
Main Authors CURBELO ALVARO JORGE MARI, BRANDHOFF STEFAN, HEMMELMANN JAN E, CISZAK ROBERT J, HUBER JOHANNES, WASZAK MICHAL-WOLFGANG
Format Patent
LanguageEnglish
Published 26.04.2012
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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Summary:An apparatus includes a first rotor operatively connected to an output shaft and holding a first array of pole pieces; a second rotor operatively connected to an input shaft coaxially with the first rotor and holding a second array of pole pieces; and an array of field windings disposed coaxially with the first and second rotors. The array of field windings being arranged to interact magnetically with a harmonic frequency of the magnetic field of the first or second array of pole pieces in a magnetically geared manner and being selectively energizable to control electromagnetic coupling of the first array of pole pieces with the second array of pole pieces, and thereby to transfer at least one of torque and speed from the input shaft to the output shaft.
Bibliography:Application Number: US20100911284