Electric motor heating/cooling system

An electric motor includes a case, a stator that includes a stator laminaiton and end-windings, a rotor coupled to the case via at least one rotor bearing. The rotor includes a hollow cylindrical body, a first shaft portion, and a second shaft portion. The hollow cylindrical body includes an inner w...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Yang, Bozhi, Swint, Ethan, Olsen, Leif E, Dellal, Benjamin, Martins, Tomas Vianna, Fedoseyev, Lev, Bellemare, Eric, Graves, Scott Michael, Hain, Alexander
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:An electric motor includes a case, a stator that includes a stator laminaiton and end-windings, a rotor coupled to the case via at least one rotor bearing. The rotor includes a hollow cylindrical body, a first shaft portion, and a second shaft portion. The hollow cylindrical body includes an inner wall, an outer wall, a first distal end, and a second distal end. The first shaft portions couples to the first distal end and the second shaft portion couples to the second distal end. The second shaft portion includes a fluid feed tube formed therewith having a fluid receive end and a fluid feed end, the fluid feed end extending to a central inner portion of the hollow cylindrical body. A plurality of fluid exit ports adjacent the first distal end and the second distal end of the hollow cylindrical body spray fluid onto components of the stator.