CN217904114U - Motor oil circuit structure - Google Patents
Motor oil circuit structure Download PDFInfo
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- CN217904114U CN217904114U CN202222293356.1U CN202222293356U CN217904114U CN 217904114 U CN217904114 U CN 217904114U CN 202222293356 U CN202222293356 U CN 202222293356U CN 217904114 U CN217904114 U CN 217904114U
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Abstract
The utility model belongs to the technical field of the motor cooling, concretely relates to motor oil circuit structure is related to, including setting up the oil feed passageway on the casing and the oil cooling passageway that runs through stator core both ends face setting, the oil cooling passageway is provided with more than two along stator core circumference, the stator core both ends respectively are provided with a divider ring, oil-out one and oil-out two have all been seted up on two divider rings, separate through the separator between oil-out one and the oil-out two, oil-out one communicates with the oil feed passageway, oil-out two communicates with casing internal cavity intercommunication and towards the winding setting, one end of oil cooling passageway and one of them oil-out on the divider ring communicate, oil-out two on the other end and the another divider ring communicate, fluid dislocation opposite direction flows in the oil cooling passageway more than two, the oil circuit distribution is more reasonable, can realize more even cooling to stator core is whole, the good and the poor condition of other end cooling effect can not appear stator core one end cooling effect, the cooling homogeneity is better.
Description
Technical Field
The utility model belongs to the technical field of the motor cooling, specifically relate to a motor oil circuit structure.
Background
At present, the requirement of a driving motor on power density is higher and higher, and the internal space of the motor is more and more compact. The cooling of the driving system is always the main focus of design research personnel, and under the indexes of high power density and high torque density, the temperature rise of the motor is the most difficult link to overcome. The water cooling technology is a mainstream heat dissipation mode at present, but the heat source cannot be directly cooled, the heat at the winding part can be transferred to the shell through the insulating layer in the slot and the motor stator and then is carried away by the water, the transfer path is long, the heat dissipation efficiency is low, and the matching tolerance among all parts further influences the thermal resistance of the transfer path.
Therefore, an oil cooling technology with higher cooling efficiency becomes a research hotspot, and the oil cooling scheme disclosed in CN110323895A is that when a motor works, a motor rotor stirs oil in an oil storage area, the oil is thrown to the upper half part of a motor stator, and the motor stator and the motor rotor are cooled at the same time. Among the cold motor technical scheme of current oil commonly used, some schemes make fluid flow in the other end from stator module one end and flow out, though avoided the problem of rotor stirring oil, but fluid earlier with the one end heat transfer of inflow, this one end temperature that flows in like this is low, that end temperature of outflow is high, and the cooling temperature uniformity is poor. Still some scheme fluid sprays to stator module top, relies on gravity downflow, though has also avoided the problem of rotor stirring oil, nevertheless because factor effect such as rotation, fluid is not along the even downflow of stator surface, just so can cause local cooling better, and local cooling is not enough, also can have the poor problem of cooling homogeneity.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a motor oil circuit structure that cooling homogeneity is good.
The utility model discloses an content is including setting up the oil feed passageway on the casing and running through the cold passageway of the oil that stator core both ends face set up, the cold passageway of oil is provided with more than two along stator core circumference, and the stator core both ends respectively are provided with a branch oil ring, has all seted up oil-out one and oil-out two on two branch oil rings, separates through the separator between oil-out one and the oil-out two, oil-out one and oil feed passageway intercommunication, oil-out two and casing internal chamber intercommunication and towards the winding setting, the one end of the cold passageway of oil communicates with oil-out one on one of them branch oil ring, and the other end communicates with two oil-outs on another branch oil ring, and the dislocation opposite direction flow in the cold passageway of oil more than two.
Furthermore, the number of the oil cooling channels is even, and the number of the oil cooling channels which flow in opposite directions in a staggered mode is the same.
Furthermore, the oil cooling channel is provided with more than four oil outlets, the first oil outlet and the second oil outlet on a single oil distribution ring are correspondingly provided with more than two oil outlets, and the first oil outlet and the second oil outlet on the single oil distribution ring are arranged in a staggered mode along the circumferential direction of the oil distribution ring.
Furthermore, an oil guide channel I is arranged between the two oil distribution rings and the machine shell, the oil guide channel I is circumferentially arranged around the oil distribution rings, and the oil outlet I is communicated with the oil inlet channel I through the oil guide channel I.
Furthermore, one surface of each oil distribution ring, facing the stator core, is provided with a second oil guide channel communicated with the oil cooling channel, the second oil guide channel is annularly arranged, the separator is arranged in the second oil guide channel and enables the second oil guide channel to be separated to form a first oil cavity and a second oil cavity, the first oil outlet is arranged in the first oil cavity, and the second oil outlet is arranged in the second oil cavity.
Furthermore, the single oil outlet I comprises a plurality of oil outlet holes I which are arranged at intervals.
Still further, a single oil cooling passage includes a plurality of oil cooling holes spaced apart.
Furthermore, the single oil outlet II comprises a plurality of oil outlet holes II which are arranged at intervals.
Furthermore, an oil guide channel III is arranged between the two oil distribution rings and the casing, the three oil guide channels are circumferentially arranged on the oil distribution rings and communicated with the oil inlet channel, and a plurality of oil injection holes are formed in the oil guide channel III and face the winding.
Furthermore, the oil separator further comprises an oil inlet, one end of the oil inlet channel is communicated with the first oil outlet and the third oil guide channel on one oil separating ring, the other end of the oil inlet channel is communicated with the first oil outlet and the third oil guide channel on the other oil separating ring, and the oil inlet is arranged in the middle of the oil inlet channel.
The beneficial effects of the utility model are that, during oil-out one on the stator core one side oil separator can be followed to fluid gets into corresponding oil cooling passageway, simultaneously along oil-out one on the stator core opposite side oil separator gets into other oil cooling passageways, make fluid can be at the inside dislocation subtend flow of stator core, fluid is the inside two-way dislocation flow of stator core promptly, the oil circuit distribution is more reasonable, can wholly realize more even cooling to stator core, the good and other end poor condition of cooling effect of stator core one end can not appear, the cooling homogeneity is better. The fluid that the cold passageway of oil flowed can be whole through the oil-out two flows to the winding of stator core both sides on, carry out auxiliary cooling to the winding, and finally all oil is cold all can fall into the cavity of casing by gravity, cools off other parts that lie in the casing. The utility model discloses in, because fluid can with the part direct contact that generates heat, reduced heat transfer path, heat exchange efficiency is high.
Drawings
Fig. 1 is a longitudinal sectional view of the present invention.
Fig. 2 is a schematic view of the flow direction of the oil according to the present invention.
Fig. 3 is a sectional view taken along line a-a of fig. 1 according to the present invention.
Fig. 4 is a schematic partial cross-sectional view of the present invention.
Fig. 5 is an enlarged view of a portion a of fig. 4 according to the present invention.
Fig. 6 is a schematic structural diagram of the housing of the present invention.
Fig. 7 is a schematic structural diagram of the stator core of the present invention.
Fig. 8 is a schematic view of a first view structure of the oil distribution ring of the present invention.
Fig. 9 is a second view structural diagram of the oil distribution ring of the present invention.
In the figure, 1-housing; 11-an oil inlet channel; 111-via one; 112-Via two; 12-an oil inlet; 2-a stator core; 21-oil cooling holes; 3-winding; 4-oil separating ring; 41-oil guide channel I; 42-oil guide channel II; 421-an oil chamber I; 422-oil chamber two; 43-oil guide channel III; 431-oil spray holes; 44-a separator; 45-oil outlet one; and 46-oil outlet II.
Detailed Description
As shown in fig. 1-9, the utility model discloses an oil feed passageway 11 that sets up on casing 1 and the oil cooling passageway that runs through 2 both ends faces of stator core set up, the oil cooling passageway is provided with more than two, more than two oil cooling passageways set up around the axis of stator core 2 and along the circumferential direction of stator core 2, lie in stator core 2 both ends and respectively be provided with a branch oil ring 4, have all seted up oil-out one and oil-out two on two branch oil rings 4, separate through separator 44 between oil-out one and the oil-out two, make oil-out one mutually independent with oil-out two, oil-out one communicates with oil feed passageway 11, oil-out two sets up with casing 1 internal cavity intercommunication and towards winding 3, oil-out one and oil-out two on two branch oil rings 4 are the relative setting of misplacing, namely oil-out one of a branch oil ring 4 sets up with oil-out two of another branch oil ring 4 relatively, and this oil-out two of oil ring 4 sets up with oil-out one of another branch oil ring 4 relatively simultaneously, the one end of oil cooling passageway communicates with oil-out one on one of them branch oil ring 4, the other end communicates with oil ring 4, oil cooling passageway dislocation flows in two. Specifically, referring to the views shown in fig. 1 and fig. 2, in the two or more oil cooling passages, the left end of at least one oil cooling passage is communicated with the first oil outlet on the left oil distribution ring 4, the right end of at least one oil cooling passage is communicated with the second oil outlet on the left oil distribution ring 4, and the right end of at least one oil cooling passage is communicated with the first oil outlet on the right oil distribution ring 4, so that oil enters the corresponding oil cooling passage from the first oil outlets on the two oil distribution rings 4 after entering the oil inlet passage 11, and then flows out from the second oil outlets on the two oil distribution rings 4, and the oil flows in opposite directions in the two or more oil cooling passages in a staggered manner, that is, flows in opposite directions in the stator core 2 in a staggered manner.
The utility model provides an oil circuit structure, during oil-out one on the 2 left sides of stator core oil-separating ring 4 of fluid can be followed and corresponding oil cooling passageway, simultaneously along the oil-out one on the 2 right sides of stator core oil-separating ring 4 of stator core gets into other oil cooling passageways for fluid can be at the inside dislocation opposite direction flow of stator core 2, and fluid is at the inside two-way dislocation flow of stator core 2 promptly, carries out refrigerated mode for fluid from the inside one-way flow of stator core 2, the utility model discloses the oil circuit distribution is more reasonable, can realize more even cooling to stator core 2 is whole, can not appear that 2 one end cooling effects of stator core are good and the poor condition of other end cooling effect, and the cooling homogeneity is better. And the fluid that the oil cooling passageway flowed out can all flow to the winding 3 of stator core 2 both sides respectively through oil-out two on, carry out auxiliary cooling to winding 3, and finally all oil is cold all can fall into the cavity of casing 1 by gravity, cools off other parts that lie in casing 1. The utility model discloses in, fluid can with the part direct contact that generates heat, reduced heat transfer path, heat exchange efficiency is high.
The utility model discloses in, the cold passageway of oil is the even number, and the cold passageway quantity of oil that is dislocation subtend flow is the same. Namely, the left end of one half of the oil cooling channel is communicated with the first oil outlet on the left oil-separating ring 4, the right end of the other half of the oil cooling channel is communicated with the second oil outlet on the right oil-separating ring 4, the left end of the other half of the oil cooling channel is communicated with the second oil outlet on the left oil-separating ring 4, and the right end of the other half of the oil cooling channel is communicated with the first oil outlet on the right oil-separating ring 4. The number of oil cooling channels flowing into the stator core 2 from the left end of the stator core 2 and flowing into the stator core 2 from the right end is the same, so that the reasonability of oil distribution is further improved, and the cooling uniformity is guaranteed.
Preferably, the oil cooling channel is provided with more than four oil outlets, so that each oil outlet one and each oil outlet two on a single oil distribution ring 4 are correspondingly provided with more than two oil outlets, and the oil outlets one and each oil outlet two on the single oil distribution ring 4 are circumferentially staggered on the oil distribution ring 4 along the axis of the oil distribution ring 4. More than two oil outlets I and two oil outlets II are arranged in a staggered mode along the circumferential direction of the oil distribution ring 4, so that the oil can flow in the stator core 2 in a staggered and opposite mode, and meanwhile, staggered and opposite flow paths are arranged in a staggered mode in the circumferential direction of the stator core 2. Therefore, the circumferential cooling uniformity of the end part of the stator core 2 can be ensured while the cooling uniformity of the two ends of the stator core 2 is ensured, and the uniformity of cooling is improved.
An oil guide channel I41 is arranged between the left oil distribution ring 4, the right oil distribution ring 4 and the machine shell 1, as shown in fig. 1 and 4, the outer sides of the two oil distribution rings 4 are attached to the inner wall of the machine shell 1, the oil guide channel I41 is specifically arranged on the outer side of the oil distribution ring 4, and the oil guide channel I41 is circumferentially arranged around the oil distribution ring 4. The first oil outlet is communicated with the first oil guide channel 41, the first oil guide channel 41 is communicated with the oil inlet channel 11, and the first oil outlet is communicated with the oil inlet channel 11 through the first oil guide channel 41. After the oil flows into the first oil guide channel 41 from the oil inlet channel 11, the oil flows along the first oil guide channel 41 and flows out of the first oil outlets to the oil cooling channel respectively. The utility model discloses a set up and lead oil channel 41 for a list oil feed passageway 11 can carry out the fuel feeding to each oil-out one on the oil divider ring 4, and the oil circuit is more reasonable.
The utility model discloses in, two oil distribution rings 4 all paste mutually with 2 tip of stator core 2 towards the one side of stator core 2, two oil distribution rings 4 sets up the oil guide channel two 42 that communicates with the oil cooling passageway on stator core 2's the one side, and oil guide channel two 42 is cyclic annular and with oil distribution ring 4 coaxial setting, separator 44 sets up in oil guide channel two 42, then forms oil pocket one 421 or oil pocket two 422 between two liang of separator 44, and separator 44 separates oil guide channel two 42 promptly and is formed with oil pocket one 421 and oil pocket two 422, and separator 44 is the separation piece of oil pocket one 421 and oil pocket two 422 promptly, makes between oil pocket one 421 and the oil pocket two 422 independent, oil-out one sets up in oil pocket one, oil-out two are seted up in oil pocket two 422, and oil pocket one 421 and oil pocket two 422 all communicate with the oil cooling passageway that its position corresponds, oil-out one communicates with the oil cooling passageway that corresponds through oil pocket 421, and oil cooling passageway that oil pocket two correspond communicate through two oil pocket 422. The oil liquid flowing out of the oil guide groove I41 firstly enters the oil chamber I421 from the oil outlet I and then enters the oil cooling channel from the oil chamber I421, and the oil liquid flowing out of the oil cooling channel firstly enters the oil chamber II 422 and then flows out of the oil outlet II. The oil is indirectly guided to enter the oil cooling channel by arranging the first oil cavity 421 and the second oil cavity 422, and the processing alignment difficulty of the first oil outlet and the second oil outlet with the oil cooling channel can be reduced.
Wherein, single oil outlet first includes a plurality of interval setting oil outlet first 45. As shown in fig. 8 and 9, a plurality of oil outlet holes 45 are arranged in the single oil chamber one 421, and the plurality of oil outlet holes 45 in the single oil chamber one 421 constitute a single oil outlet one. For the mode that sets up single jumbo size oil outlet one, the utility model discloses a set up single oil-out one to several oil outlet 45 of distributing type, when satisfying the fluid total flow demand, can ensure the holistic intensity of oil distribution ring 4.
The single oil cooling channel comprises a plurality of oil cooling holes 21 which are arranged at intervals, and the oil cooling holes 21 all penetrate through two end faces of the stator core 2. As shown in fig. 3, the plurality of oil-cooling holes 21 correspondingly positioned between the two partitions 44 constitute a single oil-cooling passage. By arranging the single oil cooling channel into the distributed oil cooling holes 21, when oil flows into the oil cooling holes 21 from the oil chamber I421, the oil entering the oil cooling holes 21 has a certain jet speed because the aperture of the oil cooling holes 21 is smaller than the width of the oil chamber I421.
The single oil outlet II comprises a plurality of oil outlet holes 46 which are arranged at intervals. As shown in fig. 3 and 8, the oil outlet holes 46 are arranged in the single oil chamber two 422, and the oil outlet holes 46 in the single oil chamber two 422 form a single oil outlet two. Through setting a single oil outlet I as the distributed oil outlets I45, when oil flows into the oil cavity II 422 from the oil inlet channel, the oil flowing out along the oil outlets II 46 has a certain injection speed because the aperture of the oil outlets II 46 is smaller than the width of the oil cavity II 422, so that the oil flowing through the oil cooling hole 21 after cooling the stator core 2 can be sprayed on the windings 3 on the two sides of the stator core 2 under the action of the oil outlets II 46 and gravity to perform auxiliary cooling on the stator core 2.
The utility model discloses in, two all be provided with three 43 of oil guide channel between oil distribution ring 4 and the casing 1, three 43 circumference settings of oil guide channel are on oil distribution ring 4 and communicate with oil feed passageway 11, several nozzle 431 has been seted up on three 43 of oil guide channel, and several nozzle 431 sets up towards winding 3. Because the aperture of the oil injection hole 431 is far smaller than the width of the oil guide channel III 43, oil from the oil injection hole 431 has certain injection velocity and hits the end part of the winding 3, and the convection heat transfer is enhanced. The utility model discloses in, the fluid that gets into from oil feed passageway 11 and lead three 43 of oil channel can direct injection on winding 3, and the fluid that gets into oil channel 41 can advance go into stator core 2 and cool off stator core 2, flows out from stator core 2 again through gravity and penetrate fast effect down and carry out auxiliary cooling to the winding 3 of stator core 2 both sides, promptly the utility model discloses in all fluid that get into from oil feed passageway 11 finally can all participate in the cooling of both sides winding 3, the flow obtains the maximum utilization, and winding 3 can obtain the biggest cooling, and the cooling is more reasonable, has also improved the cooling effect to winding 3.
The utility model discloses still include oil inlet 12, oil-out one, lead three 43 intercommunications of oil channel way on the one end of oil feed passageway 11 and the left side oil distribution ring 4, oil-out one, lead three 43 intercommunications of oil channel way on the other end and the right side oil distribution ring 4. Specifically, both ends of the oil inlet channel 11 are provided with a first through hole 111 and a second through hole 112, as shown in fig. 1, the first through hole 111 located at the left end of the oil inlet channel 11 is communicated with the first oil guide channel 41 of the left oil distribution ring 4, the second through hole 112 is communicated with the third oil guide channel 43 of the left oil distribution ring 4, the first through hole 111 located at the right end of the oil inlet channel 11 is communicated with the first oil guide channel 41 of the right oil distribution ring 4, and the second through hole 112 is communicated with the third oil guide channel 43 of the right oil distribution ring 4. Preferably, the oil inlet 12 is arranged in the middle of the oil inlet channel 11, and the distance from the oil entering the oil inlet channel 11 to the two ends of the oil inlet channel 11 is the same, so that the oil can be uniformly distributed, and the oil quantity distribution on the left side and the right side is reasonable.
With the viewing angle shown in fig. 1 as a reference, the oil flow path of the present invention is shown in fig. 2, and specifically includes:
oil enters the oil inlet channel 11 from the oil inlet 12 and flows towards the left end and the right end of the oil inlet channel 11 respectively;
the oil liquid flowing towards the left side of the oil inlet channel 11 correspondingly enters the first oil guide channel 41 and the third oil guide channel 43 of the left oil distribution ring 4 through the first through hole 111 and the second through hole respectively; the oil liquid entering the oil guide channel I41 enters the oil cooling hole 21 on the stator core 2 through the oil outlet I45 and the oil chamber I421, the oil liquid flowing out along the oil cooling hole 21 flows into the oil chamber II 46 of the right oil distribution ring 4, and is sprayed on the right winding 3 from the oil outlet II 46 on the oil chamber II 46; the oil entering the oil guide channel III 43 is directly sprayed on the right winding 3 through the oil spray hole 431;
the oil flowing towards the right side of the oil inlet channel 11 correspondingly enters the first oil guide channel 41 and the third oil guide channel 43 of the right oil distribution ring 4 through the first through hole 111 and the second through hole respectively; the oil entering the oil guide channel I41 enters the oil cooling hole 21 on the stator core 2 through the oil outlet I45 and the oil chamber I421, the oil flowing out of the oil cooling hole 21 flows into the oil chamber II 46 of the left oil distribution ring 4, and is sprayed on the left winding 3 from the oil outlet II 46 on the oil chamber II 46; the oil entering the oil guide channel III 43 is directly sprayed on the left winding 3 through the oil spray hole 431;
the oil sprayed on the winding 3 falls into the cavity of the casing 1 under the gravity to contact with other parts to take away heat, and finally the oil in the cavity of the casing 1 is discharged through an oil discharge port on the casing 1.
Claims (10)
1. The utility model provides a motor oil circuit structure, characterized by, including oil feed passageway (11) that sets up on casing (1) and the oil cooling passageway that runs through stator core (2) both ends face and set up, oil cooling passageway is provided with more than two along stator core (2) circumference, and stator core (2) both ends respectively are provided with one and divide oil ring (4), has all seted up oil-out one and oil-out two on two oil ring (4), separates through separator (44) between oil-out one and the oil-out two, oil-out one communicates with oil feed passageway (11), oil-out two communicates with casing (1) inside cavity and sets up towards winding (3), the one end of oil cooling passageway communicates with oil-out one on one of them oil ring (4), and the other end communicates with oil-out two on another oil ring (4), and oil misplaces the opposite direction flow in more than two oil cooling passageways.
2. The oil circuit structure of an electric motor according to claim 1, wherein the number of the oil cooling passages is even, and the number of the oil cooling passages flowing in opposite directions in a staggered manner is the same.
3. The oil circuit structure of the motor according to claim 2, wherein the oil cooling channels are provided with more than four oil outlets, two oil outlets one and two oil outlets on a single oil distribution ring (4) are correspondingly provided, and the oil outlets one and two oil outlets on a single oil distribution ring (4) are staggered along the circumferential direction of the oil distribution ring (4).
4. An oil circuit structure of an electric motor according to any one of claims 1-3, characterized in that a first oil guiding channel (41) is arranged between two oil distribution rings (4) and the casing (1), the first oil guiding channel (41) is circumferentially arranged around the oil distribution rings (4), and the first oil outlet is communicated with the oil inlet channel (11) through the first oil guiding channel (41).
5. The motor oil circuit structure according to any one of claims 1 to 3, wherein a second oil guide channel (42) communicated with the oil cooling channel is formed on one surface of the two oil distribution rings (4) facing the stator core (2), the second oil guide channel (42) is annularly arranged, the partition member (44) is arranged in the second oil guide channel (42) and partitions the second oil guide channel (42) to form a first oil cavity (421) and a second oil cavity (422), the first oil outlet is arranged in the first oil cavity (421), and the second oil outlet is formed in the second oil cavity (422).
6. The electric motor oil circuit structure as recited in claim 5, wherein a single one of said oil outlets includes a plurality of oil outlet holes (45) arranged at intervals.
7. The oil circuit structure of an electric motor according to claim 6, wherein a single oil cooling passage includes a plurality of oil cooling holes (21) arranged at intervals.
8. The motor oil circuit structure according to claim 6 or 7, wherein the single oil outlet II comprises a plurality of oil outlet holes II (46) which are arranged at intervals.
9. The oil circuit structure of the motor according to any one of claims 1 to 3, 6 and 7, wherein an oil guide channel III (43) is arranged between the two oil distribution rings (4) and the casing (1), the oil guide channel III (43) is circumferentially arranged on the oil distribution rings (4) and is communicated with the oil inlet channel (11), a plurality of oil injection holes (431) are formed in the oil guide channel III (43), and the oil injection holes (431) are arranged towards the winding (3).
10. The motor oil circuit structure according to any one of claims 1 to 3, 6 and 7, further comprising an oil inlet (12), wherein one end of the oil inlet channel (11) is communicated with the first oil outlet and the third oil guide channel (43) on one oil distribution ring (4), the other end of the oil inlet channel is communicated with the first oil outlet and the third oil guide channel (43) on the other oil distribution ring (4), and the oil inlet (12) is arranged in the middle of the oil inlet channel (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222293356.1U CN217904114U (en) | 2022-08-30 | 2022-08-30 | Motor oil circuit structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222293356.1U CN217904114U (en) | 2022-08-30 | 2022-08-30 | Motor oil circuit structure |
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| CN217904114U true CN217904114U (en) | 2022-11-25 |
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| CN202222293356.1U Active CN217904114U (en) | 2022-08-30 | 2022-08-30 | Motor oil circuit structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116032039A (en) * | 2023-03-31 | 2023-04-28 | 天蔚蓝电驱动科技(江苏)有限公司 | Stator assembly and flat wire motor |
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2022
- 2022-08-30 CN CN202222293356.1U patent/CN217904114U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116032039A (en) * | 2023-03-31 | 2023-04-28 | 天蔚蓝电驱动科技(江苏)有限公司 | Stator assembly and flat wire motor |
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