Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by John Fredrik NybomfiledCriticalJohn Fredrik Nybom
Priority to FI227668ApriorityCriticalpatent/FI59003C/fi
Application grantedgrantedCritical
Publication of FI59003BpublicationCriticalpatent/FI59003B/fi
Publication of FI59003CpublicationCriticalpatent/FI59003C/fi
Procedimiento y dispositivo para regular una maquina sincronica excitada por iman permanente con reducidas oscilaciones de potencia en el margen superior del numero de revoluciones.