US 12,323,009 B2
Drive shaft of a dynamoelectrical machine and corresponding manufacturing method
Markus Hoesle, Erlangen (DE)
Assigned to Innomotics GmbH, Nuremberg (DE)
Appl. No. 17/764,875
Filed by Innomotics GmbH, Nuremberg (DE)
PCT Filed Sep. 22, 2020, PCT No. PCT/EP2020/076397
§ 371(c)(1), (2) Date Mar. 29, 2022,
PCT Pub. No. WO2021/063745, PCT Pub. Date Apr. 8, 2021.
Claims priority of application No. 19200500 (EP), filed on Sep. 30, 2019.
Prior Publication US 2022/0344990 A1, Oct. 27, 2022
Int. Cl. H02K 1/32 (2006.01); H02K 7/00 (2006.01); H02K 9/22 (2006.01)
CPC H02K 1/32 (2013.01) [H02K 7/003 (2013.01); H02K 9/22 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A drive shaft of a dynamoelectric machine, said drive shaft comprising:
at least two different heat conduction paths, each of the at least two heat conduction paths having two physically separate first and second ends;
at least one thermal insulating layer arranged between the at least two different heat conduction paths so that the at least two different heat conduction paths are thermally separate from one another;
a plurality of different heat sources thermally coupled to the first ends; and
at least one heat sink thermally coupled to the second ends.