公开(公告)号：US11623511B2

公开(公告)日：2023-04-11

申请号：US17250139

申请日：2019-05-29

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

Inventor： Ping Yu ,  Jianwen Li ,  Defeng Hou ,  Jiaqi Li

IPC: B60K17/08 ,  B60K1/00 ,  F16H3/00

Abstract: A longitudinal multi-shift electrically driving power assembly, wherein the longitudinal multi-shift electrically driving power assembly includes an electric motor and a plurality of sets of gearboxes, each of the gearboxes is a single-shift reduction gearbox or a multi-shift reduction gearbox, the gearboxes are connected in series to form a gearbox assembly, and an output shaft of the electric motor and an input shaft of the gearbox assembly are integrally manufactured. The power assembly employs the plurality of sets of gearboxes that are connected in series, which improves the performance of the power assembly without adding a power source.

公开(公告)号：US12123489B2

公开(公告)日：2024-10-22

申请号：US18005125

申请日：2020-08-14

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

Inventor： Jianwen Li ,  Xudong Yang ,  Xianwen Zeng ,  Jiaqi Li

IPC: F16H57/04 ,  F28F3/02

CPC classification number: F16H57/0415 ,  F16H57/0413 ,  F16H57/0424 ,  F28F3/02

Abstract: A gearbox casing is provided in which a bottom part or a side part of the gearbox casing has a number of first coolant tanks. The gearbox casing above a bottom part of the first coolant tanks is provided therein with a lubricating liquid, and the first coolant tanks are used to cool the lubricating liquid. A first coolant tank is provided therein with a number of parallel partition walls, by which the first coolant tank is separated into at least two communicated sub-tanks that are provided with first fixed guide ribs and first suspended guide ribs to divide the coolant.