Patent ID: 8872406
Filing Date: 2014-10-28
Classification: H01R,H02K

Abstract:
1. A slip-ring arrangement for a rotating electrical machine comprising: a plurality of slip-rings disposed one behind the other in an axial direction and concentrically about an axis of the electrical machine, the plurality of slip-rings being self-supporting, and a plurality of spacers, each of the spacers being disposed between respective adjacent ones of the plurality of slip rings, the plurality of slip-rings being connected to one another so as to form a plurality of through-flow openings configured to carry a cooling medium, each of the plurality of through-flow openings being disposed between the adjacent ones of the plurality of slip-rings; wherein each of the plurality of slip-rings is subdivided into at least two separate sub-rings disposed concentrically one behind another and connected to one another so as to form a through-hole opening disposed between the at least two separate sub-rings for a cooling medium, a second plurality of spacers being disposed between the at least two separate sub-rings.