Legal status (The legal status 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 status listed.)
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 filedfiledCritical
Application grantedgrantedCritical
Publication of DE172454CpublicationCriticalpatent/DE172454C/de
Schalteinrichtung fuer mit verhaeltnismaessig grosser Schalthaeufigkeit, insbesondere beim Widerstandsschweissen kurzzeitig zu schliessende Stromkreise
Verfahren zur Theilung des Stromes einer elektrischen Maschine in Theile von verschiedener elektro-motorischer Kraft, sowie zur Regulirung des Stromes durch Anwendung mehrerer Bürsten