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公开(公告)号：US20250163976A1
公开(公告)日：2025-05-22
申请号：US18628105
申请日：2024-04-05
Applicant: Jing-Jin Electric Technologies Co., Ltd.
Inventor： Yang CAO , Ping YU , Jianwen LI , Pengyuan ZHOU
IPC: F16D27/118
Abstract: A bidirectional electromagnetic clutch is provided that includes first and second electromagnetic clutches arranged along positive and negative directions of the same axis. The two electromagnetic clutches are integrated in the same space and configured to independently engage and/or disengage at different ends of the bidirectional electromagnetic clutch. The working states of the bidirectional electromagnetic clutch include: the first electromagnetic clutch is engaged, and the second electromagnetic clutch is engaged; the first electromagnetic clutch is engaged, and the second electromagnetic clutch is disengaged; the first electromagnetic clutch is disengaged, and the second electromagnetic clutch is engaged; the first electromagnetic clutch is disengaged, and the second electromagnetic clutch is disengaged.
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公开(公告)号：US20250122912A1
公开(公告)日：2025-04-17
申请号：US18776698
申请日：2024-07-18
Applicant: Jing-Jin Electric Technologies Co., Ltd.
Inventor： Yang CAO , Ping YU , Jianwen LI , Pengyuan ZHOU
IPC: F16D27/14
Abstract: An inductive position sensor, comprising: a movable part which is a magnetic conductor; and an induction coil assembly adjacent to the movable part, wherein the induction coil assembly and the movable part form a magnetic circuit, the induction coil assembly has an input end for inputting a current and an output end for outputting a feedback current; the inductive position sensor is used to detect a position of the movable part based on a relationship between the feedback current and the input current. The inductive position sensor of the present disclosure has flexible and compact structural design, and can be adjusted and arranged according to different applications and structural spaces, so it is applicable to a wide range of environments. An electromagnetic clutch is also proposed.
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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.
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公开(公告)号：US20210114135A1
公开(公告)日：2021-04-22
申请号：US17252987
申请日：2018-08-07
Applicant: Jing-Jin Electric Technologies Co., Ltd.
Inventor： Ping YU , Haitao JIN , Xinliang LING , Zhiming YU
IPC: B23K20/12
Abstract: 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.
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公开(公告)号：US20210036575A1
公开(公告)日：2021-02-04
申请号：US15733636
申请日：2018-11-06
Applicant: Jing-Jin Electric Technologies Co., Ltd.
Inventor： Zhengqiang PEI , Ping YU , Haitao JIN , Pengfei LIU
Abstract: The present disclosure relates to the field of shaft sealing, and particularly relates to a sealing structure of an electric-machine-shaft extension end. The sealing structure of an electric-machine-shaft extension end includes an electric-machine end cap and an electric-machine-shaft extension end, the electric-machine-shaft extension end is mounted to the electric-machine end cap via a bearing, a double-oil-seal structure is provided between the electric-machine end cap and the electric-machine-shaft extension end, the double-oil-seal structure includes an oil-seal seat that is connected to the electric-machine end cap and an outer-side oil seal and an inner-side oil seal that are provided inside the oil-seal seat, the outer-side oil seal and the inner-side oil seal are provided face to face, and are interference-fitted to the oil-seal seat, and an oil storing chamber and an oil-seal spacer ring contained inside the oil storing chamber are provided between the outer-side oil seal and the inner-side oil seal.
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Patent Agency Ranking
公开(公告)号：US20180135730A1
公开(公告)日：2018-05-17
申请号：US15576719
申请日：2016-04-22
Applicant: Jing-Jin Electric Technologies Co., Ltd.
IPC: F16H3/32 , F16H57/023 , F16H61/28 , F16H63/32 , F16H3/12
Abstract: An automatic transmission comprises a double-contrate-tooth combined fluted disc (120) and a two stage transmission ordinary gear train. The gear shifting mechanism of the transmission is the double-contrate-tooth combined fluted disc (120), which has double contrate teeth, namely, left contrate teeth and right contrate teeth. By the axial moving of the double-contrate-tooth combined fluted disc (120) on the transmission output shaft, its left contrate teeth and right contrate teeth respectively engage with the contrate teeth of the first gear and the second gear reduction gears, to realize the second shift position and the first shift position, and when it engages with neither of them, the transmission is in the neutral shift position. The left contrate teeth and the right contrate teeth are individually independent or integrally assembled structures. Compared with the traditional AMT, the transmission does not need a synchronizer; therefore, the structure is simple, the reliability is increased, the gear shift duration is shortened, the shifting shock is relatively small, the manufacturing cost is low, and it is easy to realize industrialization. The transmission has simple arrangement of gears, short axial dimension, small weight, and occupies small room, and meets the development trend of light weighting and fuel saving.
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公开(公告)号：US20240093768A1
公开(公告)日：2024-03-21
申请号：US18262826
申请日：2021-06-08
Applicant: Jing-Jin Electric Technologies Co., Ltd.
Inventor： Jianwen LI , Fei WANG , Ping YU
IPC: F16H37/08 , B60K1/02 , B60K17/16 , B60K25/06 , F16H48/24 , F16H48/34 , F16H57/025 , F16H57/037 , F16H63/34
CPC classification number: F16H37/0806 , B60K1/02 , B60K17/16 , B60K25/06 , F16H48/24 , F16H48/34 , F16H57/025 , F16H57/037 , F16H63/3425 , F16H2057/02034
Abstract: A dual-motor drive assembly and a vehicle are disclosed. The dual-motor drive assembly comprises a first motor and a second motor arranged coaxially, a first gear transmission, a second gear transmission, and one or more idle gear pairs. The first gear transmission is driven by the first motor, and the second gear transmission is driven by the second motor. The idle gear pairs are respectively arranged in the first gear transmission and the second gear transmission and are configured to increase a distance between an output shaft of the first motor and an end shaft of the first gear transmission.
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公开(公告)号：US20220329117A1
公开(公告)日：2022-10-13
申请号：US17435889
申请日：2021-05-12
Applicant: Jing-Jin Electric Technologies Co., Ltd.
Inventor： Ping YU , Xinliang LING , Yuxia HEI , Jiannan HOU , Haibin WANG
Abstract: A stator core cooling structure and a motor cooling system are provided. The stator core cooling structure includes a stator core and a motor housing. Axial grooves are distributed on an outer circumference of the stator core and/or an inner circumference of the motor housing, with the axial grooves extending in an axial direction of the stator core and/or the motor housing. The stator core is assembled in the motor housing, and cooling liquid passages are disposed between the stator core and the motor housing by the axial grooves, so that the cooling liquid cools the stator core via the cooling liquid passages.
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公开(公告)号：US20220316578A1
公开(公告)日：2022-10-06
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
IPC: F16H57/04
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：US20210078401A1
公开(公告)日：2021-03-18
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
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.
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