Rotor shaft for an electric machine and electric machine

A rotor shaft for an electric machine includes a rotor shaft main body and a rotor shaft core which is arranged therein and which is connected to the rotor shaft main body. The rotor shaft comprises a substantially axially running cooling cavity configured to conduct a cooling fluid, and the rotor s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Lang, Markus, Ulbrich, Holger, Loos, Daniel, Barti, Endre, Blum, Julian
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A rotor shaft for an electric machine includes a rotor shaft main body and a rotor shaft core which is arranged therein and which is connected to the rotor shaft main body. The rotor shaft comprises a substantially axially running cooling cavity configured to conduct a cooling fluid, and the rotor shaft core is composed of a different material than the rotor shaft main body.