US 12,068,647 B2
Coil module for an electric machine
Yannick Dominik, Berlin (DE); Jörg Berthelmann, Berlin (DE); and Georg Franz, Berlin (DE)
Assigned to Vaionic Technologies GmbH, Berlin (DE)
Filed by Vaionic Technologies GmbH, Berlin (DE)
Filed on May 23, 2022, as Appl. No. 17/750,728.
Claims priority of provisional application 63/191,442, filed on May 21, 2021.
Claims priority of provisional application 63/191,450, filed on May 21, 2021.
Prior Publication US 2022/0376573 A1, Nov. 24, 2022
Int. Cl. H02K 3/18 (2006.01); H02K 3/04 (2006.01); H02K 3/38 (2006.01); H02K 9/19 (2006.01)
CPC H02K 3/18 (2013.01) [H02K 3/04 (2013.01); H02K 3/38 (2013.01); H02K 9/19 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A coil module for an electric machine, comprising:
a first coil disc having at least one winding of an electrically conductive material;
a second coil disc having at least one winding of an electrically conductive material;
wherein the first coil disc and/or the second coil disc comprise/comprises a substantially annular recess;
wherein the first coil disc and the second coil disc are attached to each other such that a substantially annular cooling channel for a coolant is formed between the first coil disc and the second coil disc by the substantially annular recesses/recess.