A system for cooling and lubricating a rotor shaft bearing of an electric machine is provided. In one example, the system includes a plurality of oil passages that extend axially through a rotor shaft and open into a sealed cavity near a housing interface between an electric machine housing and gearbox housing to route oil to the rotor shaft bearing for cooling and lubrication thereof.
COOLING AND LUBRICATION SYSTEM FOR AN ELECTRIC MOTOR AND GEARBOX ASSEMBLY
13.04.2023
Patent
Elektronische Ressource
Englisch
Cooling and lubrication system for an electric motor and gearbox assembly
Europäisches Patentamt | 2024
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