The invention relates to an electric drive system (1) for a motor vehicle, comprising: an electric machine (2) having a rotor (3) with a rotor shaft (4); a planetary gear stage (13) having a sun gear (11), a planet carrier (8) and a corresponding planet gear (10) and a ring gear (12), the rotor shaft (4) being connected to the sun gear (11) in a rotationally fixed manner, the planet carrier (8) having a planet carrier shaft (16) which is arranged coaxially to and axially adjacent to the rotor shaft (4), the planet carrier shaft (16) is supported relative to a housing (5) by means of a first bearing (14), the housing (5) having a circular opening (20) through which the planet carrier shaft (16) passes, the housing (5) having a first oil duct (21) which opens into the circular opening (20), and the planet carrier shaft (16) having a swivel joint (25) in the axial region of the opening (20) with respect to the axis of rotation (A) thereof, the planet carrier shaft (16) has at least one first bore (26) extending in the axial direction (a) and connected at one end thereof to the swivel joint (25), the rotor shaft (4) has a second bore (32) extending in the axial direction, and the first bore (26) is connected to the second bore (32).
本发明涉及一种用于机动车的电驱动系统(1),其包括:电机(2),其具有转子(3),所述转子具有转子轴(4);行星传动级(13),其具有太阳轮(11)、行星齿轮架(8)和对应的行星齿轮(10)以及齿圈(12),其中,所述转子轴(4)抗扭转地连接至太阳轮(11),其中,行星齿轮架(8)具有行星架轴(16),所述行星架轴布置成与所述转子轴(4)同轴且与所述转子轴在轴向上相邻,所述行星架轴(16)借助第一轴承(14)相对于壳体(5)被支承,其中,所述壳体(5)具有供所述行星架轴(16)穿过的圆形开口(20),其中,所述壳体(5)具有通入所述圆形开口(20)的第一油道(21),并且所述行星架轴(16)关于其旋转轴线(A)在所述开口(20)的轴向区域内具有回转接头(25),其中,所述行星架轴(16)具有沿轴向(a)延伸的、在其一端连接至所述回转接头(25)的至少一个第一孔(26),其中,所述转子轴(4)具有沿轴向延伸的第二孔(32),并且其中,所述第一孔(26)连接至所述第二孔(32)。
Electric drive system for motor vehicle
用于机动车的电驱动系统
25.04.2025
Patent
Elektronische Ressource
Chinesisch
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