US 12,129,913 B2
Electric drive axle and electric vehicle
Shan Li, Shanghai (CN); Yueyue Deng, Shanghai (CN); Jing Deng, Shanghai (CN); Hongxiang Yan, Shanghai (CN); Kun Xu, Shanghai (CN); Rongyue Liu, Shanghai (CN); and Hongbo Wang, Shanghai (CN)
Assigned to TOP GEAR POWERTRAIN TECHNOLOGY CO., LTD, Shanghai (CN)
Appl. No. 17/921,185
Filed by TOP GEAR POWERTRAIN TECHNOLOGY CO., LTD, Shanghai (CN)
PCT Filed Jun. 7, 2022, PCT No. PCT/CN2022/097261
§ 371(c)(1), (2) Date Oct. 25, 2022,
PCT Pub. No. WO2023/197428, PCT Pub. Date Oct. 19, 2023.
Claims priority of application No. 202210389100.2 (CN), filed on Apr. 14, 2022.
Prior Publication US 2024/0218919 A1, Jul. 4, 2024
Int. Cl. B60K 17/16 (2006.01); B60K 17/08 (2006.01); F16H 3/093 (2006.01); F16H 3/54 (2006.01); F16H 37/04 (2006.01); F16H 57/037 (2012.01); B60K 1/00 (2006.01)
CPC F16H 37/046 (2013.01) [B60K 17/08 (2013.01); B60K 17/165 (2013.01); F16H 57/037 (2013.01); B60K 2001/001 (2013.01); F16H 2037/047 (2013.01); F16H 2200/0021 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An electric drive axle, comprising: a driving assembly, a power coupling gear, a first gear transmission assembly, a second gear transmission assembly and two half shafts connected by a differential, and the driving assembly is used to drive the differential; wherein,
the driving assembly comprises a motor and a planetary gear mechanism connected to the motor in a transmission connection, the power coupling gear is arranged on a corresponding one of the two half shafts, and the planetary gear mechanism is connected to the first gear transmission assembly in a transmission connection through the power coupling gear;
when the electric drive axle is in a first transmission mode, the first gear transmission assembly is connected to the differential in a transmission connection; and
when the electric drive axle is in a second transmission mode, the planetary gear mechanism is connected to the second gear transmission assembly in a transmission connection, the second gear transmission assembly is connected to the differential in a transmission connection, and a transmission connection between the transmission connect between the first gear transmission assembly and the differential is disconnected.