US 12,460,707 B2
Auxiliary driving mechanism of new energy vehicle
Wenyong Yu, Zhejiang (CN); Yang Zhu, Zhejiang (CN); Chao Yang, Zhejiang (CN); and Fengli Huang, Zhejiang (CN)
Assigned to ZHE JIANG SIEKON TRANSMISSION TECHNOLOGY CO., LTD, Jiaxing (CN)
Filed by ZHE JIANG SIEKON TRANSMISSION TECHNOLOGY CO., LTD, Zhejiang (CN)
Filed on Jan. 15, 2025, as Appl. No. 19/022,272.
Application 19/022,272 is a continuation of application No. PCT/CN2024/111955, filed on Aug. 14, 2024.
Claims priority of application No. 202323355275.0 (CN), filed on Dec. 8, 2023.
Prior Publication US 2025/0189023 A1, Jun. 12, 2025
Int. Cl. F16H 37/08 (2006.01)
CPC F16H 37/082 (2013.01) [F16H 2200/0021 (2013.01); F16H 2200/0034 (2013.01)] 3 Claims
OG exemplary drawing
 
1. An auxiliary driving mechanism of a new energy vehicle, comprising a main motor, a reduction gear, and a differential gear, wherein the auxiliary driving mechanism further comprises an auxiliary motor and a multi-speed gearbox, the multi-speed gearbox comprises a housing, an auxiliary drive shaft, an intermediate shaft, and a connecting shaft, the auxiliary drive shaft is connected to the auxiliary motor, a plurality of first-stage reducing gear sets are arranged between the auxiliary drive shaft and the intermediate shaft, and a clutch is arranged on the auxiliary drive shaft; the clutch allows only one of the first-stage reducing gear sets to transmit the power of the auxiliary motor or disconnect the power between the auxiliary drive shaft and the intermediate shaft; a pair of transmission gear sets are arranged between the intermediate shaft and the connecting shaft; and one end of the connecting shaft is detachably connected to the main motor, and the other end of the connecting shaft is connected to an input shaft of the reduction gear;
wherein a transmission gear set of the same stage is arranged between the auxiliary drive shaft and the intermediate shaft, the transmission gear set comprises two gears of the same stage, and the two gears of the same stage are respectively connected to the auxiliary drive shaft and the intermediate shaft.