System and method for an electric turbocharger

Methods and systems are provided for electric turbochargers. In one example, a turbocharger comprises a shaft coupling a compressor wheel to a turbine wheel, an electric machine including a stator encircling the shaft between the compressor wheel and the turbine wheel, and an oil supply passage form...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Kobielski, Louis, Homison, Christopher, Felton, Adam
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Methods and systems are provided for electric turbochargers. In one example, a turbocharger comprises a shaft coupling a compressor wheel to a turbine wheel, an electric machine including a stator encircling the shaft between the compressor wheel and the turbine wheel, and an oil supply passage formed in a housing of the electric machine and fluidly coupled to a first oil nozzle oriented toward the shaft.