Patent classifications
H
ELECTRICITY
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H02
GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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H02K
DYNAMO-ELECTRIC MACHINES
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19/00
Synchronous motors or generators
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H02K19/18
having windings each turn of which co-operates only with poles of one polarity, e.g. homopolar generators
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H02K19/20
with variable-reluctance soft-iron rotors without winding
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