公开(公告)号：US11621599B2

公开(公告)日：2023-04-04

申请号：US16980232

申请日：2019-02-20

申请人： ZF FRIEDRICHSHAFEN AG

发明人： Ralf Wittstadt ,  Katja Willacker ,  Jochen Wittmann ,  Stefan Reuter ,  Andre Grübel ,  Matthias Ebert

IPC分类号： H02K3/38 ,  H02K3/04 ,  H02K15/04 ,  H02K15/10

摘要： An insulating unit for an electric machine with hairpin winding. The hairpin winding has a plurality of connection pins for electrically connecting to an interconnect and a plurality of welded hairpin ends. A base body is provided having an insulating material and extends at least over a portion of the circumference of the hairpin winding. The base body has a receiving area which faces the hairpin winding and which has openings for receiving the hairpin ends. The dividing walls are provided between the openings in circumferential direction, and the openings and/or dividing walls have fasteners for engaging connection to the hairpin ends.