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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9/00
Arrangements for cooling or ventilating
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H02K9/19
for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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H02K9/197
in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
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