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1. 发明授权

US11686356B2 Electromagnetic dog clutch 有权
公开(公告)号：US11686356B2
公开(公告)日：2023-06-27
申请号：US17439213
申请日：2020-03-16
申请人： Jing-Jin Electric Technologies Co., Ltd.
发明人： Ping Yu , Haitao Jin , Zhengqiang Pei , Yuxia Hei
IPC分类号： F16D27/118 , F16D27/108 , F16D27/14
CPC分类号： F16D27/118 , F16D27/108 , F16D27/14
摘要： An electromagnetic dog clutch is disclosed to solve the technical problem in conventional electromagnetic dog clutches that the friction is easy to occur between a bearing seat and an end cap of a movable gear sleeve. The electromagnetic dog clutch comprises a movable gear sleeve (5) and a fixed gear sleeve (12) that mesh with each other for transmission. A first end cap (6) is provided on an outer side of the movable gear sleeve (5), a bearing (1) is provided on an outer circumference of the movable gear sleeve (5), the bearing (1) is embedded in a bearing seat (7), a rear end of the bearing seat (7) is provided with a positioning surface, and a front end of the first end cap (6) is a vertical plane that matches the positioning surface of the bearing seat (7). The front end of the first end cap (6) is provided with a positioning pin (15), the rear end of the bearing seat (7) is provided with a positioning hole to cooperate with the positioning pin (15), and the positioning pin (15) is inserted into the positioning hole to limit the bearing seat (7) and the first end cap (6) so that they can move in an axial direction relative to each other but cannot rotate relative to each other, thereby preventing the occurrence of friction between them.

2. 发明公开

US20230145255A1 BISTABLE ELECTROMAGNETIC CLUTCH 审中-公开
公开(公告)号：US20230145255A1
公开(公告)日：2023-05-11
申请号：US17860929
申请日：2022-07-08
申请人： Jing-Jin Electric Technologies Co., Ltd.
发明人： Yang CAO , Ping YU , Jianwen LI
IPC分类号： F16D27/14 , F16D27/112
CPC分类号： F16D27/14 , F16D27/112 , F16D2027/005
摘要： 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.

3. 发明申请

US20230049064A1 MECHANICAL UNLOCKING MECHANISM FOR ELECTRONIC PARKING 有权
公开(公告)号：US20230049064A1
公开(公告)日：2023-02-16
申请号：US17798007
申请日：2020-04-08
申请人： Jing-Jin Electric Technologies Co., Ltd.
发明人： Defeng Hou , Jianwen Li , Ran Sun , Guodong Mu
IPC分类号： F16H63/34 , F16H61/36
摘要： A mechanical unlocking mechanism for electronic parking is provided, which comprises a parking cam assembly, a pawl assembly, a parking gear, a pull cord assembly and an actuating assembly. The parking cam assembly comprises a parking guide shaft and a parking cam. The parking cam is sleeved on the parking guide shaft. The outer side of the parking cam is provided with an arc protrusion along a circumferential direction, so that with the rotation of the parking cam, the pawl assembly is in a first position where the parking gear parks in and a second position where the parking gear parks out. One end of the pull cord assembly is connected with the actuating assembly, and the other end of the pull cord assembly is connected with the parking guide shaft. The actuating assembly drives, via the pull cord assembly, the parking guide shaft to translate, thereby driving the pawl to move from the first position to the second position. The mechanical unlocking mechanism according to the present disclosure provides an emergent mechanical unlocking function when the parking motor is powered off, and the driver can perform manual mechanical unlocking in the cab without getting off the vehicle, so it has high safety and good operation comfort.

4. 发明申请

US20220349460A1 LOCKING STRUCTURE OF DIFFERENTIAL 有权
公开(公告)号：US20220349460A1
公开(公告)日：2022-11-03
申请号：US17371986
申请日：2021-07-09
申请人： Jing-Jin Electric Technologies Co., Ltd.
发明人： Ping YU , Yang CAO , Jianwen LI
IPC分类号： F16H48/34 , F16H48/24
摘要： The present disclosure discloses a locking structure of a differential. The locking structure comprises a bi-stable electromagnetic clutch sleeved on an output axle shaft on one side of the differential. The bi-stable electromagnetic clutch comprises a movable locking disc and a fixed locking disc; the fixed locking disc is fixedly connected to a differential housing or integrated with differential housing, and the movable locking disc and the fixed locking disc have face teeth that can engage with each other. The movable locking disc is sleeved on the output axle shaft, the bi-stable electromagnetic clutch drives the movable locking disc to move axially after being energized, the output axle shaft and the differential housing are locked when the movable face teeth engaged with the fixed face teeth so that the output axle shaft on either side of the differential and the differential housing have a same rotational speed and output torque. The locking structure has the advantages of bi-stable or bi-state, controllability, and a long service life.

5. 发明授权

US11448681B2 Insulation monitoring circuit for motor controller 有权
公开(公告)号：US11448681B2
公开(公告)日：2022-09-20
申请号：US15733650
申请日：2019-03-13
申请人： Jing-Jin Electric Technologies Co., Ltd.
发明人： Yuxia Qu , Fuxiang Wan , Lingling Tan
IPC分类号： G01R31/14 , G01R31/12 , B60K1/00 , B60Q9/00
摘要： An insulation monitoring electric circuit of an electric-motor controller, includes: a first voltage sampling circuit and a second voltage sampling circuit; the first voltage sampling circuit is connected to an input anode (+VBUS) of a busbar, an input cathode (PGND) of the busbar and a busbar-voltage sampled-signal (HV_VDC) line, and a busbar-voltage sampled-signal (HV_VDC) line is connected to the electric-motor controller; the second voltage sampling circuit is connected to the input anode (+VBUS) of the busbar, the input cathode (PGND) of the busbar and an insulation-voltage sampled signal (HV_VDC) line, and an insulation-voltage sampled signal (HV_VISO) line is connected to the electric-motor controller; and the electric-motor controller is configured to compare a busbar-voltage value gathered by the first voltage sampling circuit and an insulation-voltage value gathered by the second voltage sampling circuit, and when the busbar-voltage value and the insulation-voltage value are different, emit an insulation monitoring alarming signal.

6. 发明授权

US11444505B2 Sealing structure of electric-machine-shaft extension end 有权
公开(公告)号：US11444505B2
公开(公告)日：2022-09-13
申请号：US15733636
申请日：2018-11-06
申请人： Jing-Jin Electric Technologies Co., Ltd.
发明人： Zhengqiang Pei , Ping Yu , Haitao Jin , Pengfei Liu
IPC分类号： H02K5/12 , H02K5/124 , H02K5/173
摘要： 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.

7. 发明申请

US20220275836A1 FIXING STRUCTURE FOR AUXILIARY BEARING OF ELECTRIC DRIVE ASSEMBLY AND ELECTRIC DRIVE ASSEMBLY 有权
公开(公告)号：US20220275836A1
公开(公告)日：2022-09-01
申请号：US17637864
申请日：2019-10-29
申请人： Jing-Jin Electric Technologies Co., Ltd.
发明人： Ping YU , Jianwen LI , Xudong YANG
IPC分类号： F16C35/07 , B60K1/00 , F16H57/021
摘要： A fixing structure for an auxiliary bearing of an electric drive assembly and an electric drive assembly are disclosed. The fixing structure comprises a bearing pressing plate, a bolt, a lock nut, an auxiliary bearing outer ring and an auxiliary bearing inner ring. The bearing pressing plate is provided with a through hole, the housing is provided with a threaded hole, and the bolt passes through the through hole and is fixed in the threaded hole. The bearing pressing plate pre-tightens one side of the auxiliary bearing outer ring, and the housing limits a position of the other side of the auxiliary bearing outer ring. The lock nut is sleeved on the shaft to pre-tighten one side of the auxiliary bearing inner ring, and the gear limits a position of the other side of the auxiliary bearing inner ring. The bearing fixing solution has a simple structure; moreover, the inner and outer rings of the bearing are pre-tightened by threads, thereby avoiding over-positioning of the bearing, reducing the running noise of the bearing, and improving the service life of bearing.

8. 发明授权

US11162562B2 Transversely-placed vehicle driving assembly 有权
公开(公告)号：US11162562B2
公开(公告)日：2021-11-02
申请号：US15767608
申请日：2017-09-08
申请人： Jing-Jin Electric Technologies Co., Ltd.
发明人： Ping Yu , Jianwen Li
IPC分类号： F16H3/091 , F16H3/00 , F16H37/08 , B60K5/08 , B60K1/02 , B60K17/02 , B60K17/06 , B60K17/16 , B60K17/22
摘要： The present disclosure discloses a transversely-placed vehicle driving assembly, connected to a vehicle axle half shaft, wherein the vehicle driving assembly comprises a first power source and an automatic transmission, the automatic transmission is provided with a first input shaft therein, the first power source connects to the first input shaft, and a differential is provided at a joint of the automatic transmission and the vehicle axle half shaft; an intermediate shaft is provided parallel to the first input shaft; several gears are fixed or rotatably installed on the first input shaft, several gears are fixed or rotatably installed on the intermediate shaft, the gears on the first input shaft and the gears on the intermediate shaft are in engaged transmission in group, and the gears that engage with one another have different installing modes on the shafts; clutches are provided between the first input shaft and the gear that is rotatably installed thereon and between the intermediate shaft and the gear that is rotatably installed thereon; and engaging gear transmission is provided between the intermediate shaft and the differential. The present disclosure can realize transmission of two speed ratios, with flexible transmission modes, which shortens the axial size of the driving assembly, which cannot only satisfy the acceleration capability and climbing ability of the vehicle but also satisfy the demand on high vehicle speed.

9. 发明申请

US20210229548A1 ELECTRIC DRIVE POWERTRAIN HAVING VERTICALLY-POSITIONED MULTI-STAGE GEARBOXES 有权
公开(公告)号：US20210229548A1
公开(公告)日：2021-07-29
申请号：US17250139
申请日：2019-05-29
申请人： Jing-Jin Electric Technologies Co., Ltd.
发明人： Ping YU , Jianwen LI , Defeng HOU , Jiaqi LI
IPC分类号： B60K17/08 , B60K1/00
摘要： 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.

10. 发明授权

US11052749B2 Longitudinally mounted dual-power source automobile drive assembly 有权
公开(公告)号：US11052749B2
公开(公告)日：2021-07-06
申请号：US16490875
申请日：2017-04-01
申请人： JING-JIN ELECTRIC TECHNOLOGIES CO., LTD.
发明人： Ping Yu , Ting Wang , Jianwen Li
IPC分类号： B60K6/547 , B60K6/48 , B60W10/08 , B60W10/11 , B60K6/36 , F16H3/091
摘要： A drive assembly is provided with an automatic transmission, comprising a first input shaft, a first power source is connected to the first input shaft, an output shaft, and an intermediate shaft; a first stage of deceleration gear train is mounted through the first input shaft and the intermediate shaft, an Nth stage of deceleration gear train is mounted through the intermediate shaft and the output shaft, and N≥2; and a second input shaft is provided parallel to the intermediate shaft or the output shaft, a second power source is connected to the second input shaft, a driving gear on the second input shaft is engaged with any the second stage to the Nth stage, and the power of the second power source is transmitted to the output shaft via the one stage of deceleration gear train.

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