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Priority claimed from US491805Aexternal-prioritypatent/US3405347A/en
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Publication of NL6609267ApublicationCriticalpatent/NL6609267A/xx
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02K—DYNAMO-ELECTRIC MACHINES
H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
H02K21/222—Flywheel magnetos
H02K21/225—Flywheel magnetos having I-shaped, E-shaped or similarly shaped armature cores