The invention relates to a power unit (1, 100) for an electric vehicle, comprising an electric machine (2, 102) and a reduction gearbox (3) comprising a differential ring gear (30). According to the invention, the reduction gearbox (3) comprises an oil distribution member (200), and the power unit (1, 100) comprises a hollow oil circulation disc (19, 121) placed against one face of the cooling chamber (10, 120) for cooling the motor (2, 102), the distribution member (200) forming a first flow of oil towards the inlet aperture (22, 132) of the hollow disc (19, 121) in order to supply said hollow disc (19, 121) with oil.

    本发明涉及一种用于电动车辆的动力单元(1,100),该动力单元包括电机(2,102)和减速箱(3),该减速箱包括差速器环齿轮(30)。根据本发明,减速箱(3)包括油分配构件(200),并且动力单元(1,100)包括中空油循环盘(19,121),该中空油循环盘被放置成抵靠冷却室(10,120)的一个面,以用于冷却电机(2,102),该分配构件(200)形成朝向中空盘(19,121)的入口孔(22,132)的第一油流,以便向所述中空盘(19,121)供应油。


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    Titel :

    Electric vehicle power unit with improved efficiency reduction gearbox


    Weitere Titelangaben:

    具有改进效率减速箱的电动车辆动力单元


    Beteiligte:

    Erscheinungsdatum :

    19.04.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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