Presented are electric machines with winding-slot embedded heat pipes/vapor chambers and endcap-integrated heat sinks, methods for making/using such machines, and vehicles equipped with such machines. An electric machine, such as a traction motor or electric generator, includes an outer housing, a stator assembly mounted to the housing, and a rotor assembly rotatably mounted adjacent the stator assembly. The stator assembly includes an annular stator core with one or more electromagnetic stator windings mounted on or in the stator core. The rotor assembly includes a cylindrical rotor core and one or more electromagnetic rotor windings mounted in rotor slots of the rotor core. One or more heat pipes are mounted in the rotor slot(s), adjacent the rotor winding(s), and projecting axially from one or both axial ends of the rotor core. Each heat pipe extracts thermal energy from the rotor winding(s) and transfers the thermal energy out from the rotor core.
WINDING SLOT-EMBEDDED VAPOR CHAMBERS AND HEAT PIPES WITH ENDCAP HEAT SINKS FOR ELECTRIC MACHINES
2025-04-10
Patent
Electronic Resource
English
IPC: | H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |