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1. 发明授权

US11440400B2 Longitudinally provided vehicle driving assembly having single power source 有权
公开(公告)号：US11440400B2
公开(公告)日：2022-09-13
申请号：US16761420
申请日：2019-01-14
申请人： JING-JIN ELECTRIC TECHNOLOGIES CO., LTD.
发明人： Ping Yu , Jianwen Li , Ting Wang , Liang Hong
IPC分类号： B60K17/02 , B60K17/08 , B60K7/00 , B60K1/00
摘要： 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.

2. 发明申请

US20220123629A1 COMBINED COOLING SYSTEM FOR MOTOR AND MOTOR CONTROLLER 有权
公开(公告)号：US20220123629A1
公开(公告)日：2022-04-21
申请号：US17364364
申请日：2021-06-30
申请人： Jing-Jin Electric Technologies Co., Ltd.
发明人： Kuizhu Shao , Zhichao Zhang , Yu Duan , Jinhe Xu
IPC分类号： H02K9/197 , B60H1/00 , B60H1/22 , B60H1/32 , H02K9/20 , H02K11/30
摘要： The present disclosure discloses a combined cooling system for a motor and a motor controller, which comprises a water cooling assembly, an oil cooling assembly, and an oil-water heat exchanger; one end of the water cooling assembly is connected to an cooling water outlet of the motor, the other end is connected to an cooling water inlet of the motor controller and/or a water inlet of the oil-water heat exchanger; one end of the oil cooling assembly is connected to a cooling oil outlet of the motor, the other end of the oil cooling assembly is connected to an oil inlet of the oil-water heat exchanger, and an oil outlet of the oil-water heat exchanger is connected to a cooling oil inlet of the motor. The above technical solution utilizes the temperature characteristics of the motor and the motor controller, and achieves the objects of saving energy in cooling, and improving high power output performance and environmental adaptability of the motor through the cooperation and intelligent control of the water pump, oil pump and fan in the combined cooling system.

3. 发明授权

US11300193B2 Integrated electric drive power assembly 有权
公开(公告)号：US11300193B2
公开(公告)日：2022-04-12
申请号：US16494525
申请日：2019-06-11
申请人： Jing-Jin Electric Technologies Co., Ltd.
发明人： Jianwen Li , Yongwu Wang , Ping Yu , Ran Sun
IPC分类号： F16H57/021 , B60K17/12 , F16H57/023 , F16H57/029 , F16H57/031 , F16H63/34 , F16H57/02
摘要： 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.

4. 发明授权

US11289983B2 Integrated electrical motor 有权
公开(公告)号：US11289983B2
公开(公告)日：2022-03-29
申请号：US16074782
申请日：2017-01-19
申请人： Jing-Jin Electric Technologies Co.,Ltd.
发明人： Haibin Wang , Zhengqiang Pei , Ping Yu
IPC分类号： H02K11/30 , H02K16/00 , H02K1/28 , H02K7/00 , H02K5/04
摘要： 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.

5. 发明申请

US20220069671A1 ELECTRIC-MACHINE SHAFT 有权
公开(公告)号：US20220069671A1
公开(公告)日：2022-03-03
申请号：US17089276
申请日：2020-11-04
申请人： Jing-Jin Electric Technologies Co., Ltd.
发明人： Ping Yu , Zhenjun Zhang , Zhe Feng , Kunxing Sun , Li Liu
IPC分类号： H02K9/19 , F16C3/02 , H02K7/00
摘要： 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.

6. 发明授权

US11205866B2 Joint structure for high-voltage cable 有权
公开(公告)号：US11205866B2
公开(公告)日：2021-12-21
申请号：US16981824
申请日：2019-03-08
申请人： JING-JIN ELECTRIC TECHNOLOGIES CO., LTD.
发明人： Pengyang Sun , Hao Zhang , Yanhao Wang
IPC分类号： H01R4/72 , H01R4/18 , H01R11/12
摘要： A joint structure of a high-voltage cable includes a cable core wrapped from interior to exterior sequentially by an inner insulating layer, a shielding layer and an outer insulating layer, a section of the inner and outer insulating layers is stripped at an end of the cable core, and a length of the stripped section of the outer insulating layer is greater than a length of the stripped section of the inner insulating layer. The end of the cable core is connected to an external terminal, a connection between the end and the external terminal and an adjacent section of the inner insulating layer are wrapped by a heat-shrinkable tube, a spacing is provided between an end of the heat-shrinkable tube and the outer insulating layer, the shielding layer within the spacing is wrapped by a copper foil and connected externally to a cable connector via the copper foil.

7. 发明申请

US20210114135A1 WELDING METHOD FOR SEALING COOLING-WATER CHANNEL OF ELECTRIC-MACHINE HOUSING 有权
公开(公告)号：US20210114135A1
公开(公告)日：2021-04-22
申请号：US17252987
申请日：2018-08-07
申请人： Jing-Jin Electric Technologies Co., Ltd.
发明人： Ping YU , Haitao JIN , Xinliang LING , Zhiming YU
IPC分类号： B23K20/12
摘要： The present disclosure relates to the technical field of welding, and particularly relates to a welding method for sealing a cooling-water channel of an electric-machine housing. The method includes the steps of: 1) seal the opened ends of the cooling-water channel using the sealing parts to form an S-shaped sealed cooling water channel inside the electric-machine housing; and 2) weld each of the sealing parts and the electric-machine-housing together by using the friction-stir-welding, in one single and complete single-welding-seam mode. The present disclosure utilizes the stirring head having a larger diameter to sufficiently stir-weld each of the sealing parts and the electric-machine housing all at once, i.e., welding in the single-welding-seam mode, so that the welding can be completed at one time, which, as compared with the conventional mode of double-welding-seam mode, has a higher operation efficiency, a better stability, and reduces welding duration by ½ to ⅓.

8. 发明申请

US20210111606A1 ELECTRIC-MACHINE HOUSING 有权
公开(公告)号：US20210111606A1
公开(公告)日：2021-04-15
申请号：US17027490
申请日：2020-09-21
申请人： Jing-Jin Electric Technologies Co., Ltd.
发明人： Ping Yu , Xinliang Ling , Baojiang Li , Haibin Wang , Minghui Zhang
IPC分类号： H02K5/20 , H02K5/24 , H02K9/00
摘要： 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.

9. 发明申请

US20210111598A1 ELECTRIC-MACHINE STATOR LAMINATION, ELECTRIC-MACHINE STATOR IRON CORE AND ELECTRIC MACHINE 有权
公开(公告)号：US20210111598A1
公开(公告)日：2021-04-15
申请号：US17017800
申请日：2020-09-11
申请人： Jing-Jin Electric Technologies Co., Ltd.
发明人： Ping Yu , Yixue Su , Yi Cheng , Haibin Wang , Baojiang Li
IPC分类号： H02K1/18 , H02K5/24
摘要： 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.

10. 发明授权

US10944349B2 Multi-inverter electronic motor controller 有权
公开(公告)号：US10944349B2
公开(公告)日：2021-03-09
申请号：US16311889
申请日：2017-09-08
申请人： JING-JIN ELECTRIC TECHNOLOGIES CO., LTD.
发明人： Zifu Wang
IPC分类号： H02P27/04 , H02P23/28 , H02M7/5387
摘要： The present disclosure discloses a multi-inverter electric motor controller, which solves the technical problem that the existing inverter with silicon-based devices cannot accurately modulate high-frequency currents. The multi-inverter electric motor controller comprises a primary inverter and one or more secondary inverters, where the primary inverter and the secondary inverters connect in parallel to a same electrical motor, the primary inverter employs silicon-material power electronic devices, the secondary inverters employ wide-bandgap semiconductor power electronic devices, and the switching frequency of the primary inverter is less than the switching frequencies of the secondary inverters. According to the present disclosure, the existing inverter with silicon-based devices and the inverters with wide-bandgap semiconductor devices are connected in parallel, and can complete the fine control of the harmonic waves of high-frequency currents.

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