Patent classifications
H
ELECTRICITY
Load children
H02
GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Load children
H02K
DYNAMO-ELECTRIC MACHINES
Load children
9/00
Arrangements for cooling or ventilating
Load children Filter patents View analytics View as hierarchy
H02K9/28
Cooling of commutators, slip-rings or brushes e.g. by ventilating
Filter patents View analytics View as hierarchy