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31. 发明授权

US11619297B2 Oil lubrication mechanism for front bearing of water-cooled motor and motor driving assembly 有权
公开(公告)号：US11619297B2
公开(公告)日：2023-04-04
申请号：US17415739
申请日：2019-12-11
申请人： Jing-Jin Electric Technologies Co., Ltd.
发明人： Ping Yu , Jianwen Li , Defeng Hou , Lei Tian , Yong Wu
IPC分类号： F16H57/04 , F16C33/66
摘要： The present disclosure discloses an oil-lubrication mechanism for a fore bearing of a water-cooled electric motor and an electric-motor driving assembly, which solves the problems of conventional grease lubrication of the fore bearing of water-cooled electric motors such as serious bearing heat generation and bearing failure and low life caused by easy outflowing of the grease. The oil-lubrication mechanism includes a gear-splashing oil-storage structure provided in a gearbox or a reduction gearbox, and a bearing-baffle oil-storage structure provided at a front end of the water-cooled electric motor; and a gear in the gearbox or the reduction gearbox in operation throws a lubricating oil into the gear-splashing oil-storage structure, and the lubricating oil is delivered via the oil conduit into the bearing-baffle oil-storage structure, thereby lubricating the fore bearing of the water-cooled electric motor, and subsequently the lubricating oil flows back into the gearbox or the reduction gearbox via the oil return tube. In the present disclosure, the lubricating oil that splashes inside the gearbox or the reduction gearbox is introduced into the fore bearing of the water-cooled electric motor, which enables the fore bearing of the water-cooled electric motor to be lubricated by the oil, thereby reducing the heat generation of the fore bearing of the water-cooled electric motor, and improving the life of the fore bearing and the reliability of the electric motor.

32. 发明申请

US20230020347A1 ELECTRONIC PARKING BRAKE MECHANISM 有权
公开(公告)号：US20230020347A1
公开(公告)日：2023-01-19
申请号：US17757684
申请日：2020-01-10
申请人： Jing-Jin Electric Technologies Co., Ltd.
发明人： Jianwen LI , Ran SUN , Lena JIN
IPC分类号： F16H63/34 , F16H63/30
摘要： An electronic parking mechanism that includes a parking cam assembly, a pawl assembly and a parking gear. The parking cam assembly includes a parking guide shaft and a parking cam that is sleeved on the parking guide shaft, and one side of the parking cam is provided with an arc protrusion along a circumferential direction so that as the parking cam rotates, the pawl assembly is in a first position where the pawl assembly parks in the parking gear and a second position where the pawl assembly parks out the parking gear, respectively. The pawl assembly includes a pawl and a pawl shaft, an upper part of the pawl contacts the parking cam, the pawl shaft is provided on a side of the pawl that can rotate around the pawl shaft.

33. 发明授权

US11489469B2 Method for testing initial position angle of electric motor rotor 有权
公开(公告)号：US11489469B2
公开(公告)日：2022-11-01
申请号：US16479456
申请日：2017-12-12
申请人： JING-JIN ELECTRIC TECHNOLOGIES CO., LTD.
发明人： Bin Hao , Xiao Ye
IPC分类号： H02P21/18 , H02P21/22
摘要： The present disclosure discloses a method for measuring an initial position angle of a rotor of an electric machine, which solves the technical problem in the prior art that the requirement on the measurement conditions of the initial position angle of the rotor of the electric machine is high and the actual operation is not easy. The method comprises: Step 1, supplying an electric current i to an electric machine to be measured to cause the electric machine to run; Step 2, when the electric machine is running, reducing the electric current i to be zero; Step 3, measuring voltages of a d-axis and a q-axis of a stator of the electric machine at the moment, respectively as ud and uq; and Step 4, according to a trigonometric function relation between ud and uq, calculating to obtain an initial position angle deviation θerr of the rotor of the electric machine.

34. 发明申请

US20220268348A1 ELECTRIC DRIVE ASSEMBLY OF DRY DIFFERENTIAL AND NEW ENERGY AUTOMOBILE 有权
公开(公告)号：US20220268348A1
公开(公告)日：2022-08-25
申请号：US17635512
申请日：2019-09-25
申请人： Jing-Jin Electric Technologies Co., Ltd.
发明人： Jianwen LI , Ping YU , Guoshan LIU
IPC分类号： F16H48/38 , B60K1/00 , B60K17/16 , F16H57/029
摘要： An electric drive assembly of dry differential and a new energy vehicle are disclosed. The electric drive assembly of dry differential comprises a reducer and a differential. The reducer comprises a reducer housing and a reducer end cover. The differential is rotatably provided in the reducer housing and comprises a differential cover and a differential housing, the differential cover and the differential housing are fixedly connected, an end of the differential cover opposite from the differential housing is provided with a bearing mounting seat, an inside of a chamber formed is provided with a pair of side gears, a pair of pinion gears and a pinion shaft, both ends of the pinion shaft are fixed on the differential housing, the pinion gears are sleeved on both ends of the pinion shaft, the side gears are meshed with the pinion gears, an inner hole of the side gear is equipped with an side gear end cap. The side gear end cap in the electric drive assembly belongs to static seal, and has a simple structure and high sealing reliability. The differential oil seal is sealed with the outer circumference of the side gear, which, compared with the traditional structure in which the outer circumference of the half shaft is sealed, reduces the eccentricity and axial movement, and reduces the wear of the oil seal.

35. 发明申请

US20220266672A1 HYBRID SINGLE-SPEED AUTOMOBILE POWER SYSTEM 有权
公开(公告)号：US20220266672A1
公开(公告)日：2022-08-25
申请号：US17641715
申请日：2020-07-06
申请人： Jing-Jin Electric Technologies Co., Ltd.
发明人： Weijie GUO , Xueliang WANG , Jianwen LI
IPC分类号： B60K6/36 , F02N11/04 , B60K6/387 , B60K6/40 , F16H63/30 , B60K6/442 , B60K6/547
摘要： A complex-connection single-gear vehicle power system includes an engine, an ISG motor, an engine transmission mechanism, an electromagnetic clutch, a drive motor, a drive motor transmission mechanism and a power output shaft. The ISG motor and the drive motor are disposed on different shafts; the ISG motor is disposed on a transmission shaft of the engine transmission mechanism, or is disposed on a shaft different from the transmission shaft of the engine transmission mechanism; the electromagnetic clutch is disposed on the transmission shaft of the engine transmission mechanism or the power output shaft, and an end gear of the engine transmission mechanism is disposed at an end of the power output shaft; and an end gear of the drive motor transmission mechanism is also disposed on the power output shaft.

36. 发明申请

US20220263383A1 OIL-WATER-COOLED ELECTRIC DRIVE ASSEMBLY AND NEW ENERGY AUTOMOBILE 有权
公开(公告)号：US20220263383A1
公开(公告)日：2022-08-18
申请号：US17635759
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： H02K9/193 , B60K11/02 , H02K3/24
摘要： An electric drive assembly is provided with oil/water dual cooling that includes a motor module, a gearbox module, a water cooling module and an oil cooling module. The oil cooling module has three oil cooling passages, and introduces the lubricating oil in the gearbox into the front and rear windings of the motor, thereby improving the cooling performance of the motor, eliminating the need for a motor shaft oil seal, reducing the cost of the drive assembly and improving the transmission efficiency. The water cooling module cools the motor housing through the motor water jacket, and cools the lubricating oil in the gearbox housing through the heat sink at the bottom of the gearbox, thereby solving the heat dissipation problem when the gearbox operates at high speed constantly, and thus improving the service life and reliability of the gear and bearing.

37. 发明申请

US20220231552A1 STATOR PUNCHING PIECE, STATOR CORE AND MOTOR 有权
公开(公告)号：US20220231552A1
公开(公告)日：2022-07-21
申请号：US17576258
申请日：2022-01-14
申请人： Jing-Jin Electric Technologies Co., Ltd.
发明人： Ziqiang HAO , Meiling GAO , Ping YU
IPC分类号： H02K1/20 , H02K9/19
摘要： 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%.

38. 发明申请

US20220163071A1 ELECTROMAGNETIC DOG CLUTCH 有权
公开(公告)号：US20220163071A1
公开(公告)日：2022-05-26
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
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.

39. 发明授权

US11289939B2 Power supply apparatus and standby power source for controller for vehicle 有权
公开(公告)号：US11289939B2
公开(公告)日：2022-03-29
申请号：US17040024
申请日：2018-11-01
申请人： Jing-Jin Electric Technologies Co., Ltd.
发明人： Fuxiang Wan , Dongping Gu , Shuanglai Dong , Gabriel Gallegos
IPC分类号： B60L1/00 , B60L3/00 , H02G3/00 , H02J9/06 , B60R16/03 , H02M3/155
摘要： 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.

40. 发明申请

US20220006361A1 POSITIONING PRESSER AND POSITIONING STRUCTURE FOR RESOLVER STATOR 有权
公开(公告)号：US20220006361A1
公开(公告)日：2022-01-06
申请号：US17291564
申请日：2021-01-20
申请人： Jing-Jin Electric Technologies Co., Ltd.
发明人： Hongyang Zhao , Zhengqiang Pei
IPC分类号： H02K11/21 , H02K1/12 , H02K5/04
摘要： 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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