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H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02K—DYNAMO-ELECTRIC MACHINES
H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
H02K23/02—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by arrangement for exciting
H02K23/22—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by arrangement for exciting having compensating or damping windings
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FR539624D1921-08-231921-08-23Dynamo à tension ou intensité ou puissance constante sous vitesse variable
ExpiredFR539624A
(fr)
Perfectionnements apportés aux dispositifs d'entraînement à vitesse constante par friction, notamment à ceux utilisés pour entraîner le rotor d'une génératrice de courant électrique