A hybrid cascading lubrication and cooling system (200, 400) for an electrical machine (102) with nested stages is provided. The electrical machine (102) includes an inner nested stage (444) nested with respect to an outer nested stage (446). An oil pump (222) is coupled to an oil pump inlet tube (226) to draw oil from an oil sump (224), and a cooling core (230) to distribute pumped oil within the electrical machine (102). A rotor member (212) is coupled to the inner nested stage (444) and the outer nested stage (446). The rotor member (212) centrifugally pumps oil from the cooling core (230) through inner radial holes (424) and outer radial holes (436) in the rotor member (212) upon rotation about a central axis (216) of the electrical machine (102).


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    Title :

    Hybrid cascading lubrication and cooling system


    Additional title:

    Kaskadierendes Schmier- und Kühlsystem
    Système de lubrification et de refroidissement


    Contributors:

    Publication date :

    2020-07-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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