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公开(公告)号：US20220231552A1
公开(公告)日：2022-07-21
申请号：US17576258
申请日：2022-01-14
Applicant: Jing-Jin Electric Technologies Co., Ltd.
Inventor： Ziqiang HAO , Meiling GAO , Ping YU
Abstract: The present disclosure discloses a stator punching piece, stator core and motor. The stator punching piece is formed by die stamping. An outer circumference of the stator punching piece is provided with a continuous concave-convex structure extending in an axial direction of the stator punching piece for a cooling medium to flow therethrough, so as to increase an heat dissipation area of an outer circumference of a stator core composed of the stator punching pieces and improve a flow state of the cooling medium on the outer circumferential surface of the stator core, thereby increasing a rated power and rated torque of a motor. Since the stator punching piece is formed by die stamping, changing the shape of the outer edge of the stator punching piece has no effect on the manufacturing cost of the motor. Without increasing the cost, the rated power and rated torque of the motor can be increased by 5-10%.
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公开(公告)号：US20220163071A1
公开(公告)日：2022-05-26
申请号：US17439213
申请日：2020-03-16
Applicant: Jing-Jin Electric Technologies Co., Ltd.
Inventor： Ping Yu , Haitao Jin , Zhengqiang Pei , Yuxia Hei
IPC: F16D27/118 , F16D27/108 , F16D27/14
Abstract: 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.
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公开(公告)号：US11289939B2
公开(公告)日：2022-03-29
申请号：US17040024
申请日：2018-11-01
Applicant: Jing-Jin Electric Technologies Co., Ltd.
Inventor： Fuxiang Wan , Dongping Gu , Shuanglai Dong , Gabriel Gallegos
Abstract: The present disclosure provides an electric-power supplying device, wherein the device includes: an isolation driving unit, including a high-voltage-side winding and a low-voltage-side winding, configured to transform a high-voltage input from a high-voltage power supply into a low-voltage output; a high-voltage inputting unit, including a first switch part that is connected in series to the high-voltage-side winding of the isolation driving unit; an output controlling unit, including a first terminal that is connected to the low-voltage-side winding of the isolation driving unit, a second terminal for receiving an output enabling signal from external, and a third terminal for outputting a low-voltage power-supply electric power when the output enabling signal is high; a switch regulating unit, configured to output a switch regulating signal to the first switch part of the high-voltage inputting unit; a high-voltage starting-up unit, including a first end that is connected to the high-voltage power supply, and a second end that is connected to the switch regulating unit, configured to supply a starting-up voltage to the switch regulating unit; and an auxiliary-power-supply unit, including a first end that is coupled to the low-voltage-side winding of the isolation driving unit, and a second end that is connected to the switch regulating unit, configured to supply an electric power to the switch regulating unit.
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公开(公告)号：US20220006361A1
公开(公告)日：2022-01-06
申请号：US17291564
申请日：2021-01-20
Applicant: Jing-Jin Electric Technologies Co., Ltd.
Inventor： Hongyang Zhao , Zhengqiang Pei
Abstract: The present disclosure discloses a positioning presser and a positioning structure for a resolver stator, wherein the positioning presser is entirely of a round-ring shape, a main body of the positioning presser is provided with a stator pressing slot hole and/or a presser mounting slot hole, a positioning protrusion or groove is provided on an inner side of the positioning presser, and the positioning protrusion or groove matches with a groove or protrusion on the resolver stator, to position the resolver stator. The positioning presser according to the present disclosure can effectively reduce the difficulty in assembling of the revolver stator, which increases the efficiency in assembling, and reduces the defective percentage.
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公开(公告)号：US20210408864A1
公开(公告)日：2021-12-30
申请号：US17302990
申请日：2021-05-18
Applicant: Jing-Jin Electric Technologies Co., Ltd.
Inventor： Ping YU , Zhe FENG , Kui YANG , Haibin WANG , Kunxing SUN
Abstract: The present disclosure discloses an electric-machine housing structure, wherein the electric-machine housing structure includes an outer housing, an inner housing and a plurality of intermediate pieces provided between the outer housing and the inner housing; and the intermediate pieces are overall hollow arcuate structures or annular structures, upper surfaces and lower surfaces of the intermediate pieces are provided with a plurality of protrusions and/or grooves, the protrusions and/or grooves of the upper surfaces match with and are fixed to grooves and/or protrusions on an inner circumferential face of the outer housing, and the protrusions and/or grooves of the lower surfaces match with and are fixed to grooves and/or protrusions on an outer circumferential face of the inner housing.
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Patent Agency Ranking
公开(公告)号：US11168748B2
公开(公告)日：2021-11-09
申请号：US15733640
申请日：2019-01-03
Applicant: Jing-Jin Electric Technologies Co., Ltd.
Inventor： Zhengqiang Pei , Ping Yu , Xueliang Wang , Jianwen Li , Chouwu Qiu
IPC: F16D27/14 , F16D27/118 , F16D27/00 , F16D121/20
Abstract: The present disclosure relates to the technical field of clutches, and particularly relates to an electromagnetic jaw clutch. The electromagnetic jaw clutch includes a movable gear sleeve and a fixed gear sleeve that are in engagement transmission, a fixed armature is nested to an outer side of the fixed gear sleeve, the fixed armature and the fixed gear sleeve have a gap therebetween, and have a fixed position, a solenoid is provided inside the fixed armature, a movable armature is rotatably nested to an outer side of the movable gear sleeve, the movable armature is movable along with the movable gear sleeve in an axial direction, and when the solenoid is electrified, the solenoid attracts the movable armature to the fixed armature, to cause the movable gear sleeve and the fixed gear sleeve to be engaged. The present disclosure provides an electromagnetic clutching system that has a compact structure, has no auxiliary executing structure and can be conveniently operated, which can be applied to electrically driving systems of new-energy vehicles. The system controls the transmission and disconnection of power torque.
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公开(公告)号：US11164691B2
公开(公告)日：2021-11-02
申请号：US16322385
申请日：2017-01-20
Applicant: Jing-Jin Electric Technologies Co., Ltd.
Abstract: The present disclosure discloses a split-type electromagnet, wherein the split-type electromagnet comprises a housing and an iron core, the housing and the iron core are of a split type, wherein the iron core is fixed within the housing after the coil has been wound on the iron core, and the housing is a cylindrical body or an ellipsoidal body or a cross section of the housing is a sector-shaped ring or a rectangular ring. Compared with the integrated type of the housing and the iron core in the prior art, the winding of the coil of the electromagnet is more convenient. Furthermore, when the cross section of the housing of the electromagnet is a sector-shaped ring, a plurality of electromagnets are combined to form an electromagnet unit, and when the space is restricted, the electromagnet unit may be used to complete the electromagnetic attraction.
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公开(公告)号：US20210119356A1
公开(公告)日：2021-04-22
申请号：US16981824
申请日：2019-03-08
Applicant: JING-JIN ELECTRIC TECHNOLOGIES CO., LTD.
Inventor： Pengyang SUN , Hao ZHANG , Yanhao WANG
Abstract: 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.
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公开(公告)号：US20210031610A1
公开(公告)日：2021-02-04
申请号：US15733637
申请日：2019-03-11
Applicant: Jing-Jin Electric Technologies Co., Ltd.
Inventor： Ping YU , Jianwen LI , Ruikun WANG
Abstract: A longitudinal dual-power-source vehicle drive assembly includes an automatic transmission (10), a first power source (71) and a second power source (72), wherein a transmission input shaft (21) and a transmission output shaft (32) of the automatic transmission (10) are coaxial, the transmission input shaft (21) is connected to an output shaft of the first power source (71), the transmission output shaft (32) is connected to an input shaft of the second power source (72), the output shaft of the second power source (72) is connected to the vehicle axle half shaft (50), and the automatic transmission (10) has transmissions of two speed ratios. The present disclosure realizes functions of direct driving and speed change by using dual electric motors and direct driving and deceleration by using dual electric motors, forms transmissions of multiple speed ratios, has flexible transmission modes, reduces the radial dimension of the drive assembly, and has no power interruption in gear shifting, which improves the riding comfort, the power performance, the acceleration performance and the gradeability of the vehicle.
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公开(公告)号：US20190389299A1
公开(公告)日：2019-12-26
申请号：US16479125
申请日：2017-12-12
Applicant: JING-JIN ELECTRIC TECHNOLOGIES CO., LTD.
Inventor： Ping YU , Changqi YANG , Jianwen LI
Abstract: A vehicle drive assembly with transverse dual-power-source, comprising two power sources and an automatic transmission. The automatic transmission has a first input shaft and a second input shaft, and the two power sources are respectively connected to the two input shafts; a first intermediate shaft is provided parallel to the first input shaft, a second intermediate shaft is provided coaxial with the first input shaft, a third intermediate shaft is provided coaxial with the first intermediate shaft, and a first gear and a second gear on the first intermediate shaft are in engaged transmission; a third gear shaft and a fourth gear on the second intermediate shaft are in engaged transmission; and a fifth gear and a sixth gear on the third intermediate shaft are in engaged transmission, and the sixth gear is simultaneously in engaged transmission with a seventh gear on a differential.
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