公开(公告)号：US20230100807A1

公开(公告)日：2023-03-30

申请号：US17989963

申请日：2022-11-18

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Benben CHAI ,  Fengyu LIU ,  Yihong ZHENG

IPC: F16H37/08 ,  B60K1/02 ,  B60K17/16 ,  B60L15/20 ,  F16H57/10

Abstract: A drive apparatus includes a first variable speed drive mechanism, a second variable speed drive mechanism, a first output half shaft, and a second output half shaft. The first variable speed drive mechanism includes a first reduction gear, a first planetary gear system, and a first brake mechanism. The second variable speed drive mechanism includes a second reduction gear, a second planetary gear system, and a second brake mechanism. The first planetary gear system includes a first sun gear, a first gear ring, a first planetary gear, and a first planet carrier. The first reduction gear is engaged with the first sun gear.

公开(公告)号：US20220266676A1

公开(公告)日：2022-08-25

申请号：US17743997

申请日：2022-05-13

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yihong ZHENG ,  Fengyu LIU

IPC: B60K6/547 ,  B60K6/442 ,  B60K6/36

Abstract: A reduction gearbox includes a motor input shaft, an engine input shaft, an intermediate shaft, a first output shaft, a second output shaft, and a differential gear. The first output shaft and the second output shaft are in transmission connection with the differential gear. The reduction gearbox further includes: a first transmission assembly configured to connect power transmission between the motor input shaft and the intermediate shaft; a second transmission assembly configured to connect or disconnect the power transmission between the engine input shaft and the intermediate shaft; and a third transmission assembly configured to connect or disconnect the power transmission between the intermediate shaft and the differential gear.