公开(公告)号：US20250116324A1

公开(公告)日：2025-04-10

申请号：US18726364

申请日：2022-05-16

Applicant: Jing-Jin Electric Technologies Co., Ltd.

Inventor： Jianwen LI ,  Ping YU ,  Xudong YANG ,  Ruikun WANG

IPC: F16H57/00 ,  F16D1/068 ,  F16D1/08 ,  F16D1/10 ,  F16H57/02 ,  F16H57/021 ,  F16H57/023 ,  F16H63/34

Abstract: A power shaft structure of an electric drive assembly is disclosed. The power shaft structure comprises a main shaft, a right end of the main shaft is located inside a motor and fixedly connected to a rotor of the motor, and a left end of the main shaft is located inside a reducer and fixedly connected to a driving gear and a parking gear of the reducer. At least one side of the driving gear is provided with an axially extending flange, and at least one side of the parking gear is provided with an axially extending flange. A bushing is provided between an inner hole of one flange at one side of the driving gear and the main shaft as well as between an inner hole of one flange at one side of the parking gear and the main shaft for radial positioning of the driving gear and the parking gear, so that the driving gear, the parking gear, and the main shaft are on the same axis, thereby improving the stability and NVH performance of the electric drive assembly.

公开(公告)号：US20210031610A1

公开(公告)日：2021-02-04

申请号：US15733637

申请日：2019-03-11

Applicant: Jing-Jin Electric Technologies Co., Ltd.

Inventor： Ping YU ,  Jianwen LI ,  Ruikun WANG

IPC: B60K6/442 ,  B60K6/547 ,  B60L15/20

Abstract: A longitudinal dual-power-source vehicle drive assembly includes an automatic transmission (10), a first power source (71) and a second power source (72), wherein a transmission input shaft (21) and a transmission output shaft (32) of the automatic transmission (10) are coaxial, the transmission input shaft (21) is connected to an output shaft of the first power source (71), the transmission output shaft (32) is connected to an input shaft of the second power source (72), the output shaft of the second power source (72) is connected to the vehicle axle half shaft (50), and the automatic transmission (10) has transmissions of two speed ratios. The present disclosure realizes functions of direct driving and speed change by using dual electric motors and direct driving and deceleration by using dual electric motors, forms transmissions of multiple speed ratios, has flexible transmission modes, reduces the radial dimension of the drive assembly, and has no power interruption in gear shifting, which improves the riding comfort, the power performance, the acceleration performance and the gradeability of the vehicle.

公开(公告)号：US20240035557A1

公开(公告)日：2024-02-01

申请号：US18547046

申请日：2021-06-08

Applicant: Jing-Jin Electric Technologies Co., Ltd.

Inventor： Jianwen LI ,  Xudong YANG ,  Ruikun WANG

IPC: F16H57/023 ,  F16H57/021

CPC classification number: F16H57/023 ,  F16H57/021 ,  F16H2057/02034

Abstract: An electric drive power transmission system box assembly is provided having stepped pin positioning and a mounting method of the electric drive power transmission system box assembly. The box assembly includes a housing shaft string assembly, stepped pins, a first housing, and a first bearing. The housing shaft string assembly includes a housing and a shaft string supported on the housing. Each stepped pin includes a matching section and a guide section, the diameter of the matching section is greater than the diameter of the guide section, a tail end portion of the matching section is fixed in a fixing pin hole of the housing, the first housing is mounted and fixed to the housing shaft string assembly under the guide of the guide section, and a rear end of the shaft string is supported on the first housing by means of the first bearing.