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公开(公告)号：US12129895B2
公开(公告)日：2024-10-29
申请号：US17860929
申请日：2022-07-08
Applicant: Jing-Jin Electric Technologies Co., Ltd.
Inventor： Yang Cao , Ping Yu , Jianwen Li
IPC: F16D27/14 , F16D27/00 , F16D27/108 , F16D27/112
CPC classification number: F16D27/14 , F16D27/004 , F16D27/108 , F16D27/112 , F16D2027/005 , F16D2027/008
Abstract: A bistable electromagnetic clutch is provided that includes a first part, a second part and an spring part. The first part includes a yoke with a plurality of iron cores, and an electromagnetic coil on each of the iron cores. The second part includes a moving carrier disc and a magnetic conductive disc that is fixed on a side of the moving carrier disc that is away from the yoke. Several magnets are fixed on the moving carrier disc, and the iron cores and the magnets are provided in a correspondence relation. The spring part is configured to keep the moving carrier disc and the yoke in normally separated positions. Two adjacent electromagnetic coils form a group, two electromagnetic coils in a same group are wound to form a group of windings with identical magnetic polarities, and corresponding two magnets form a group of magnetomotive forces with identical magnetic polarities.
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公开(公告)号：US12071986B2
公开(公告)日：2024-08-27
申请号：US18193305
申请日：2023-03-30
Applicant: Jing-Jin Electric Technologies Co., Ltd.
Inventor： Yang Cao , Ping Yu , Jianwen Li , Guoshan Liu , Pengyuan Zhou
CPC classification number: F16D27/14 , F16D2027/001
Abstract: A monostable electromagnetic clutch is disclosed, which comprises a movable member, a magnetic assembly, a fixed disc, and a plurality of iron cores, wherein the magnetic assembly is connected to the fixed disc, the iron cores cross through the magnetic assembly and are connected to the fixed disc, the movable member is provided thereon with an spring member, and under an action of an electromagnetic force of the magnetic assembly and an spring force of the spring member, the movable member can reciprocate at a side of the magnetic assembly to keep the movable member and the iron cores in an engaged state or a disengaged state. The structural design of the present disclosure is flexible and compact, and can be combined in a different way according to different applications and different structural spaces. The electromagnetic clutch basic units can be used separately, or a plurality of electromagnetic clutch basic units can be combined freely, and after combination, they can be freely arranged in a variety of installation positions and spaces as required, and the use of space can be fully optimized.
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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
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.
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公开(公告)号：US11662012B2
公开(公告)日：2023-05-30
申请号：US17638000
申请日：2019-10-29
Applicant: Jing-Jin Electric Technologies Co., Ltd.
Inventor： Jianwen Li , Xudong Yang , Ping Yu , Junwei Yuan
CPC classification number: F16H57/0415 , F28F3/12
Abstract: A water cooling structure of a reducer and a reducer assembly are disclosed. The water cooling structure comprises a chamber formed by a reducer housing and a cover plate, and the cover plate is fixedly connected to the chamber. The chamber is provided with a water inlet and a water outlet respectively. The chamber is also provided with one or several partition plates on two opposite side walls. The partition plates are arranged in an interdigitating manner and each of the partition plates is connected with only one side wall of the chamber, and there is a gap between the partition plates and the opposite other side wall of the chamber, so as to form an S-shaped water path. The water inlet and water outlet are respectively disposed at both ends of the water path. A plurality of baffles are further vertically provided on the partition plates and side walls of the chamber that are parallel to the partition plates, and the baffles are arranged in an interdigitating manner. The water cooling structure disclosed in the present disclosure is integrated with the reducer housing into one part, and thus has a simple structure, saves space and is convenient to arrange on the vehicle. Moreover, the cooling efficiency is further improved by the above special structure.
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公开(公告)号：US11440400B2
公开(公告)日：2022-09-13
申请号：US16761420
申请日：2019-01-14
Applicant: JING-JIN ELECTRIC TECHNOLOGIES CO., LTD.
Inventor： Ping Yu , Jianwen Li , Ting Wang , Liang Hong
Abstract: The present disclosure discloses a longitudinally placed vehicle driving assembly having a single power source, which solves the technical problems of the vehicle driving assemblies in the prior art such as larger volumes and poor transmission performances. The driving assembly is connected to a transmission shaft or a vehicle axle half shaft of a vehicle and provided with an automatic transmission. The automatic transmission includes an input shaft (2). A power source (1) is connected to the input shaft (2). An output shaft (10) is provided coaxial with the input shaft (2). An intermediate shaft (9) is provided parallel to the input shaft (2). A first-stage reduction-gear train is installed through the input shaft (2) and the intermediate shaft (9). An Nth-stage reduction-gear train is installed through the intermediate shaft (9) and the output shaft (10), wherein N≥2. Each of the stages of the reduction-gear trains includes a pair of gears having a different transmission ratio. The output shaft (10) of the power source (1) and the input shaft (2) of the automatic transmission are integrally manufactured. A rear cover of the power source (1) and a front housing of the automatic transmission are integrated. The driving assembly is placed in the front of the vehicle, and drives rear wheels of the vehicle.
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Patent Agency Ranking
公开(公告)号：US11300193B2
公开(公告)日：2022-04-12
申请号：US16494525
申请日：2019-06-11
Applicant: Jing-Jin Electric Technologies Co., Ltd.
Inventor： Jianwen Li , Yongwu Wang , Ping Yu , Ran Sun
IPC: F16H57/021 , B60K17/12 , F16H57/023 , F16H57/029 , F16H57/031 , F16H63/34 , F16H57/02
Abstract: The present disclosure discloses an integrated electric drive power assembly, which solves the problems of the electrically driving power assemblies in the prior art that have a greater axial size and greater weight. The power assembly comprises a motor and a gearbox, an output shaft of the motor and an input shaft of the gearbox are integrally manufactured, to form a main shaft of the power assembly, a parking lock wheel is provided within the gearbox, and the parking lock wheel is fixedly mounted to the main shaft. The present disclosure significantly reduces the axial size of the power assembly, which facilitates the light weighing and the arrangement in the vehicle of the power assembly.
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公开(公告)号：US11289983B2
公开(公告)日：2022-03-29
申请号：US16074782
申请日：2017-01-19
Applicant: Jing-Jin Electric Technologies Co.,Ltd.
Inventor： Haibin Wang , Zhengqiang Pei , Ping Yu
Abstract: The present disclosure discloses an integrated electrical motor, comprising at least two sets of corresponding stators and rotors, wherein the at least two sets of corresponding stators and rotors are mounted within the same housing, and are connected to the corresponding controllers, and the rotors are mounted on the same shaft. The total output torque of the electrical motor can be distributed to the shaft from different stator/rotor pairs, and when one or more of the sets of stators and rotors have malfunction, the remaining stators and rotors maintain running. The integrated electrical motor of the present disclosure has compact structure, small axial dimension, distributable torque, high safety margin and high reliability.
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公开(公告)号：US20220069671A1
公开(公告)日：2022-03-03
申请号：US17089276
申请日：2020-11-04
Applicant: Jing-Jin Electric Technologies Co., Ltd.
Inventor： Ping Yu , Zhenjun Zhang , Zhe Feng , Kunxing Sun , Li Liu
Abstract: The present disclosure discloses an electric-machine shaft, wherein the electric-machine shaft is provided with a hollow structure in an axial direction at least one end, and the hollow structure is, at a position close to the end, provided with a coolant pumping mechanism having a spiral groove, so that the coolant is able to enter the hollow structure by an attractive force generated by rotation of the electric-machine shaft; the spiral groove is provided on an inner surface of an annular member, the annular member is fixedly mounted to the hollow structure, or the spiral groove is directly provided on an inner surface of the hollow structure; and the electric-machine shaft is provided with a plurality of groups of coolant channels in an axial direction, the coolant channels are in communication with the hollow structure, and when the electric-machine shaft is rotating, oil liquid inside the hollow structure is thrown out by the coolant channels, to cool components inside an electric-machine housing. In the present disclosure, by providing the hollow structure and the coolant pumping mechanism, a structure similar to a pump is formed, and when the electric-machine shaft is rotating, the coolant can be attracted into the hollow structure, and then be thrown out by the coolant channels, which realizes the cooling and lubrication of the components inside the electric-machine housing, and improves the capacity of heat dissipation of the electric machine.
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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
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.
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50.发明申请公开(公告)号：US20210111598A1
公开(公告)日：2021-04-15
申请号：US17017800
申请日：2020-09-11
Applicant: Jing-Jin Electric Technologies Co., Ltd.
Inventor： Ping Yu , Yixue Su , Yi Cheng , Haibin Wang , Baojiang Li
Abstract: The present disclosure discloses an electric-machine stator lamination, an electric-machine stator iron core and an electric machine, which effectively solves the technical problem in the prior art that electric machines have high NVHs. The yoke of the electric-machine stator lamination is circumferentially provided with a plurality of axial tunnels, and the tunnels are empty or are filled with a damping medium. The electric-machine stator iron core is formed by laminating a plurality of the electric-machine stator laminations or is integrally manufactured. The electric machine includes an electric-machine housing and the electric-machine stator iron core, the outer circumference of the electric-machine stator iron core and an inner wall of the electric-machine housing have gaps therebetween, and the gaps are empty or are filled with a damping medium. The structures in which the gaps/tunnels are empty or the gaps/tunnels are filled with a damping medium can weaken the vibration energy generated by the stator to the electric-machine housing, increasing the damping coefficient of the electric-machine housing, reduces the response amplitude/frequency of the electric-machine housing, weaken the paths of the vibration/noise transmission, and reduce the response amplitudes, thereby inhibiting vibration and noise, to effectively reduce the overall NVH level.
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