An electric motor is cooled by using a first refrigerant. The first refrigerant is cooled by heat exchange with a second refrigerant having a cooling target that is different from the first refrigerant, and the first refrigerant after being cooled by the heat exchange is supplied to the electric motor. The flow rate of the supply of the first refrigerant to the electric motor is reduced where a temperature of the first refrigerant is less than a first prescribed temperature as compared to where the temperature of the first refrigerant is greater than or equal to the first prescribed temperature. The flow rate of the supply of the first refrigerant is continuously reduced as long as a temperature of the second refrigerant is below a second prescribed temperature even after the temperature of the first refrigerant reaches the first prescribed temperature.


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    Titel :

    COOLING METHOD AND COOLING DEVICE OF ELECTRIC MOTOR


    Weitere Titelangaben:

    KÜHLVERFAHREN UND KÜHLVORRICHTUNG EINES ELEKTROMOTORS
    PROCÉDÉ DE REFROIDISSEMENT ET DISPOSITIF DE REFROIDISSEMENT DE MOTEUR ÉLECTRIQUE


    Beteiligte:

    Erscheinungsdatum :

    03.08.2022


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    F01P Kühlung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein , COOLING OF MACHINES OR ENGINES IN GENERAL / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / F16H Getriebe , GEARING / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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