Internally mounted rotor shaft and electric machine with such a rotor shaft
AssigneeMAGNA Powertrain AG & Co KG
InventorsPatrick KOLAR, Michael DIENBAUER, Christoph GSENGER, Lukas GRAF, Sebastian SCHILLER
Life of this patent
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Abstract
A rotor shaft for a rotor of an electric machine, wherein the rotor shaft is constructed as a hollow shaft and thus has a cylindrical cavity for guiding a coolant, wherein at least one bearing for supporting the rotor shaft is arranged in the cavity, wherein at least one coolant outlet is formed at least between an outer lateral surface of the bearing and an inner lateral surface of the rotor shaft, and an electric machine comprising such a rotor shaft.
Claims5
A rotor shaft for a rotor of an electric machine, wherein the rotor shaft is constructed as a hollow shaft and thus has a cylindrical cavity for guiding a coolant, wherein at least one bearing for supporting the rotor shaft is arranged in the cavity, wherein at least one coolant outlet is formed at least between an outer lateral surface of the bearing and an inner lateral surface of the rotor shaft.
Dependencies are inferred from the claim text.