Patent ID: 11955846
Assignee: ROBERT BOSCH GMBH
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 2:
3. The rotor as claimed in claim 1, wherein the cooling duct entrance (8.2) and the cooling duct exit (8.1) of each of the at least one cooling ducts (5) of a first group of the at least one cooling ducts (5) in relation to the respective cooling duct entrance (8.2) and cooling duct exit (8.1) of a second group of the at least one cooling ducts (5) are reversed along the rotor axis (2) such that the cooling ducts (5) of the first group and the cooling ducts (5) of the second group are configured to flow air in opposite directions along the rotor axis (2) when the rotor (1) is in rotation.