Methods and systems for an electric drive axle of a vehicle are provided. A gear train in an electric drive axle system includes, in one example, an input shaft configured to rotationally couple to an electric motor-generator and including a first gear and an intermediate shaft including a second gear rotationally coupled to the first gear and a third gear and a fourth gear each configured to rotationally couple to a separate gear on an output shaft. In this example, the second gear, the third gear, and the fourth gear have different sizes, the third gear includes an axial extension having at outer surface, and an interior surface of the second gear circumferentially surrounds at least a portion of the outer surface of the axial extension.
提供了一种用于车辆的电驱动桥的方法和系统。在一个示例中,电驱动桥系统中的齿轮系包括输入轴以及中间轴,输入轴构造成旋转地联接至电动马达‑发电机并且包括第一齿轮,中间轴包括第二齿轮以及第三齿轮和第四齿轮,第二齿轮旋转地联接至第一齿轮,第三齿轮和第四齿轮各自构造成旋转地联接至输出轴上的分开的齿轮。在该示例中,第二齿轮、第三齿轮和第四齿轮具有不同的尺寸,第三齿轮包括具有至少一个外表面的轴向延伸部,并且第二齿轮的内表面周向地围绕该轴向延伸部的外表面的至少一部分。
ELECTRIC DRIVE AXLE GEAR TRAIN AND METHOD FOR MANUFACTURING SAID GEAR TRAIN
电驱动桥齿轮系以及制造所述齿轮系的方法
2021-08-20
Patent
Electronic Resource
Chinese
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