公开(公告)号：US11811290B2

公开(公告)日：2023-11-07

申请号：US17027490

申请日：2020-09-21

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

Inventor： Ping Yu ,  Xinliang Ling ,  Baojiang Li ,  Haibin Wang ,  Minghui Zhang

IPC: H02K5/20 ,  H02K5/24 ,  H02K9/00 ,  H02K5/04

CPC classification number: H02K5/20 ,  H02K5/04 ,  H02K5/24 ,  H02K9/00

Abstract: The present disclosure discloses an electric-machine housing, which effectively solves the technical problem in the prior art that electric machines have high NVH level. The electric-machine housing is circumferentially provided with a plurality of axial tunnels, and the tunnels are empty or are filled with a damping medium. The structure in which the tunnels are empty or the tunnels are filled with the damping medium can weaken the excitation to the electric-machine housing by the stator vibration, increase the damping coefficient of the electric-machine housing, weaken the transfer paths of vibration and noise, and reduce the amplitude of electromagnetic force waves, thereby inhibiting vibration and noise, to effectively reduce the overall NVH level.

公开(公告)号：US20210111606A1

公开(公告)日：2021-04-15

申请号：US17027490

申请日：2020-09-21

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

Inventor： Ping Yu ,  Xinliang Ling ,  Baojiang Li ,  Haibin Wang ,  Minghui Zhang

IPC: H02K5/20 ,  H02K5/24 ,  H02K9/00

Abstract: The present disclosure discloses an electric-machine housing, which effectively solves the technical problem in the prior art that electric machines have high NVH level. The electric-machine housing is circumferentially provided with a plurality of axial tunnels, and the tunnels are empty or are filled with a damping medium. The structure in which the tunnels are empty or the tunnels are filled with the damping medium can weaken the excitation to the electric-machine housing by the stator vibration, increase the damping coefficient of the electric-machine housing, weaken the transfer paths of vibration and noise, and reduce the amplitude of electromagnetic force waves, thereby inhibiting vibration and noise, to effectively reduce the overall NVH level.

公开(公告)号：US11554655B2

公开(公告)日：2023-01-17

申请号：US17017005

申请日：2020-09-10

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

Inventor： Xinliang Ling ,  Zhicheng Guo ,  Yao Zhou ,  Ping Yu

IPC: B60K6/26 ,  B60K6/405 ,  B60K6/36 ,  B60K6/48 ,  H02K7/00

Abstract: An engine-and-electric-machine assembly includes an engine and an electric machine, a crankshaft being provided in the engine, the crankshaft including a main body and an extension section that extends out to the exterior of the engine, the extension section forming a rotation shaft of the electric machine, a rotor of the electric machine being mounted on the extension section, and a transition section being provided between the main body of the crankshaft and the extension section, wherein the rotor of the electric machine is connected to the transition section via a flange structure. By connecting the rotor of the electric machine and the crankshaft of the engine by using a flange, instead of using a key connecting structure, the strength of the connection between the rotor and the crankshaft can be improved, and optimize the moment of inertia of the transmission structure between the rotor and the crankshaft.

公开(公告)号：US11303187B2

公开(公告)日：2022-04-12

申请号：US17017125

申请日：2020-09-10

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

Inventor： Xinliang Ling ,  Zhicheng Guo ,  Yao Zhou ,  Ping Yu

IPC: H02K9/193 ,  H02K5/20 ,  H02K7/00 ,  H02K7/075 ,  H02K7/08 ,  H02K24/00 ,  F02B63/04 ,  H02K11/21 ,  B60K6/24 ,  B60K6/26

Abstract: An engine-and-electric-machine assembly is provided that includes an engine and an electric machine, a crankshaft being provided in the engine, the crankshaft including a main body and an extension section that extends out to the exterior of the engine, the extension section forming a rotation shaft of the electric machine, and a rotor of the electric machine being mounted on the extension section. Moreover, a terminal of the rotation shaft is connected to a coolant pump, a rotor of the coolant pump is mounted to the rotation shaft, and while the rotation shaft is rotating the rotation shaft drives the coolant pump to provide coolant to the electric machine. By connecting the rotation shaft of the electric machine to the coolant pump, the assembly enables the pump to be highly integrated into the system and reduce manufacturing cost.