CPC H02K 11/40 (2016.01) [F03D 80/30 (2016.05); H01R 39/18 (2013.01); H01R 39/64 (2013.01); H02G 13/40 (2013.01); H02K 7/1838 (2013.01); Y10S 439/93 (2013.01)] | 12 Claims |
1. An electric circuit providing a ground connection, comprising at least two brushes and a contact member, wherein each brush and the contact member form a sliding contact, wherein the contact member is at least partly electrically conductive and electrically connects the sliding contacts of the brushes, wherein the contact member is connected to a ground potential by at least one of the sliding contacts, wherein at least two of the sliding contacts are connected to a current source adapted to provide a current through the sliding contacts.
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