The invention relates to a variable-speed drive axle for an electric vehicle. The transaxle includes a first motor generator, a second motor generator, a first planetary gear train, a second planetary gear train, a ring gear shaft, and a housing. The first planetary gear train includes a first sun gear, a first carrier, and a first ring gear. The second planetary gear train includes a second sun gear, a second carrier, and a second ring gear. The first sun gear is coupled to the first motor generator, and the first ring gear is coupled to the ring gear shaft. A second sun gear is coupled to a second motor generator, and a second ring gear is coupled to the ring gear shaft. The first bracket and the second bracket are non-rotatable relative to the housing.
本公开涉及一种用于电动汽车的变速驱动桥。该变速驱动桥包括第一电动发电机、第二电动发电机、第一行星齿轮系、第二行星齿轮系、齿圈轴和外壳。第一行星齿轮系包括第一太阳轮、第一托架和第一齿圈。第二行星齿轮系包括第二太阳轮、第二托架和第二齿圈。第一太阳轮联接至第一电动发电机,第一齿圈联接至齿圈轴。第二太阳轮联接至第二电动发电机,第二齿圈联接至齿圈轴。第一托架和第二托架不能相对于外壳旋转。
Variable-speed drive axle for electric automobile
用于电动汽车的变速驱动桥
2022-06-21
Patent
Electronic Resource
Chinese
Highly-integrated variable-speed electric drive axle system
European Patent Office | 2021
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