CN111555486A - Motor stator cooling structure and motor - Google Patents
Motor stator cooling structure and motor Download PDFInfo
- Publication number
- CN111555486A CN111555486A CN202010502058.1A CN202010502058A CN111555486A CN 111555486 A CN111555486 A CN 111555486A CN 202010502058 A CN202010502058 A CN 202010502058A CN 111555486 A CN111555486 A CN 111555486A
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- China
- Prior art keywords
- stator
- stator core
- cover body
- motor
- cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000001816 cooling Methods 0.000 title claims abstract description 69
- 238000004804 winding Methods 0.000 claims abstract description 28
- 230000000903 blocking effect Effects 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims description 33
- 230000004888 barrier function Effects 0.000 claims description 14
- 239000002826 coolant Substances 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000000110 cooling liquid Substances 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 5
- 238000003756 stirring Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 6
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/24—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/197—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention relates to the field of motors and discloses a motor stator cooling structure and a motor, wherein the motor stator cooling structure comprises a stator core, a stator core and a stator core, wherein a plurality of slots are circumferentially distributed on the stator core; the blocking piece is used for blocking an opening of the slot facing to one side of the center of the slot; and the first cover cap and the second cover cap are respectively arranged at two axial ends of the stator core. According to the invention, the first cover cap, the second cover cap, the blocking piece and the plurality of slots form the cooling channel extending along the circumferential direction of the stator core, so that the cooling liquid is isolated from the motor rotor, the motor rotor can not contact with the cooling liquid, and the problem of motor energy loss caused by stirring of the cooling liquid by the motor rotor is solved; the stator winding is immersed in the cooling liquid in the cooling channel to cool the stator winding and the stator core, so that the heat dissipation effect is not influenced by the installation of a motor, the problem of overhigh local temperature of the stator winding is solved, and the power density of the stator winding is improved.
Description
Technical Field
The invention relates to the field of motors, in particular to a motor stator cooling structure and a motor.
Background
When the motor runs, a large amount of heat can be generated by a motor winding, a stator core and the like to cause temperature rise, so that great influence is generated on the service performance and the service life of the motor. At present, cooling oil is generally adopted to dissipate heat of a motor, and particularly, an oil immersion cooling mode is adopted to cool a motor winding and a stator core. The motor rotor can stir the cooling oil when rotating, which causes energy loss of the motor and reduces the efficiency of the motor. When the rotating speed of the motor rotor is higher, the energy loss of the motor is larger.
Disclosure of Invention
The invention aims to provide a motor stator cooling structure and a motor, which can solve the problem of motor energy loss caused by stirring of cooling liquid by a motor rotor while ensuring normal cooling of the motor rotor and a stator iron core.
In order to achieve the purpose, the invention adopts the following technical scheme:
an electric machine stator cooling structure comprising:
the stator core is provided with a plurality of slots which are distributed circumferentially;
the blocking piece is used for blocking an opening of the slot facing to one side of the center of the slot;
first shroud and second shroud are located respectively stator core axial both ends, the slot interpolation is equipped with stator winding and makes first shroud the second shroud the separation blade and a plurality of the slot encloses into the edge the cooling channel that stator core circumference extends, stator winding submergence in the cooling liquid in the cooling channel, first shroud and/or be equipped with the inlet on the second shroud, first shroud and/or be equipped with the liquid outlet on the second shroud.
As a preferred technical solution of the above motor stator cooling structure, the first cover includes a first cover body and a first barrier protruding from one side of the first cover body, which faces the stator core between two adjacent slots;
the second cover comprises a second cover body and a second baffle protruding from one side of the second cover body, which faces the stator core between two adjacent slots;
each first baffle is located between two adjacent second baffles, and each second baffle is located between two adjacent first baffles to form the cooling channel.
As a preferred technical solution of the above motor stator cooling structure, the first cover body is provided with a plurality of first boss groups which are circumferentially arranged and point to the second cover body in a protruding manner, each first boss group includes two first bosses, and a first slot which is inserted into the first partition is formed between the two first bosses;
and/or, the second lid body epirelief is equipped with a plurality of circumference and lays and point to the second boss group of first lid body, every second boss group includes two second bosss, two form between the second boss with the second separates the second slot that blocks off the grafting.
As a preferred technical solution of the above motor stator cooling structure, the first cover body includes a plurality of first cover plates sequentially inserted and arranged along a circumferential direction thereof, and/or the second cover body includes a plurality of second cover plates sequentially inserted and arranged along a circumferential direction thereof.
As a preferable technical solution of the above motor stator cooling structure, the insertion direction of the first cover plate is opposite to the insertion direction of the second cover plate.
As a preferred technical solution of the above motor stator cooling structure, the first cover body is provided with a plurality of first openings, the first openings of which point to the stator core, and the second cover body is provided with a plurality of second openings, the second openings of which point to the stator core;
one of the first openings or one of the second openings is the liquid inlet, and one of the first openings or one of the second openings is the liquid outlet.
As a preferable technical solution of the above motor stator cooling structure, the motor stator cooling structure further includes a housing, and the stator core, the first cover, and the second cover are all disposed in the housing;
the periphery wall of stator core the periphery wall of first shroud with the periphery wall of second shroud with the inner wall of shell encloses into airtight cavity, makes first opening with the second opening all is in the airtight cavity.
As a preferable technical solution of the above motor stator cooling structure, the outer shell includes a first shell, a second shell, and an intermediate shell interposed between the first shell and the second shell.
As an optimal technical scheme of the cooling structure of the motor stator, a liquid inlet pipe communicated with the liquid inlet and an oil outlet pipe communicated with the liquid outlet are arranged on the shell.
The invention also provides a motor, which comprises the motor stator cooling structure in any scheme.
The invention has the beneficial effects that: according to the invention, the first cover cap, the second cover cap, the baffle and the plurality of slots form the cooling channel extending along the circumferential direction of the stator core, cooling liquid is introduced into the cooling channel through the liquid inlet, the cooling liquid sequentially flows through each slot to cool the stator winding and the stator core, and the cooling liquid is finally discharged from the liquid outlet. The cooling channel is arranged to isolate the cooling liquid from the motor rotor, so that the motor rotor does not contact with the cooling liquid, and the problem of motor energy loss caused by stirring of the cooling liquid by the motor rotor is solved; and the stator winding is immersed in the cooling liquid in the cooling channel to cool the stator winding and the stator core, so that the heat dissipation effect is not influenced by the installation of a motor, the problem of overhigh local temperature of the stator winding is solved, and the power density of the stator winding is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a stator cooling structure of an electric machine according to an embodiment of the present invention;
fig. 2 is a sectional view of a stator cooling structure of an electric machine according to an embodiment of the present invention;
fig. 3 is a partial cross-sectional view of a first motor provided in accordance with an embodiment of the present invention;
fig. 4 is a partial sectional view of a motor according to an embodiment of the present invention;
fig. 5 and 6 are schematic views of cooling passages of a stator cooling structure of an electric machine according to other embodiments of the present invention.
In the figure:
11. a stator winding; 12. a motor rotor;
2. a stator core;
31. a first cover plate; 311. a first docking station; 312. a first boss; 32. a first barrier; 41. a second cover plate; 411. a second docking station; 412. a second boss; 42. a second barrier;
5. a baffle plate;
6. a cooling channel;
71. a first housing; 72. a second housing; 73. a middle shell.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
As shown in fig. 1 to 4, the present embodiment provides a motor stator cooling structure and a motor, wherein the motor includes a stator winding 11, a motor rotor 12 and the motor stator cooling structure, the motor stator cooling structure includes a stator core 2, a plurality of slots are circumferentially arranged on the stator core 2, each slot penetrates through the stator core 2 in the circumferential direction, each slot further has an opening pointing to the center thereof, the stator winding 11 is inserted into the slot according to a certain rule, and the rule that the stator winding 11 is inserted into the slot is the prior art, which is not described herein.
In this embodiment, the cooling structure of the motor stator further includes a blocking piece 5, a first cover cap and a second cover cap, wherein the blocking piece 5 is used for blocking an opening of the slot pointing to one side of the center of the slot. Specifically, the blocking pieces 5 are arranged in one-to-one correspondence with the slots, and the opening of each slot on one side, pointing to the center of the slot, is convexly provided with a limiting plate, so that the blocking pieces 5 can be inserted into the slots, and the blocking pieces 5 are abutted against the limiting plates, so that the blocking pieces 5 are used for blocking the openings of the slots on one side, pointing to the center of the slots.
The first cover cap and the second cover cap are respectively arranged at two axial ends of the stator core 2, the stator winding 11 is inserted into the slots to enable the first cover cap, the second cover cap, the separation blade 5 and the plurality of slots to form a cooling channel 6 extending along the circumferential direction of the stator core 2, a liquid inlet is formed in the first cover cap and/or the second cover cap, and a liquid outlet is formed in the first cover cap and/or the second cover cap.
This embodiment forms along 2 circumference extension's of stator core cooling channel 6 through first shroud, second shroud, separation blade 5 and a plurality of slots, lets in the coolant liquid in to cooling channel 6 through the inlet, and the coolant liquid flows through every slot in proper order to cool off stator winding 11 and stator core 2, and the coolant liquid is finally discharged from the liquid outlet. The cooling channel 6 is arranged to isolate the cooling liquid from the motor rotor 12, so that the motor rotor 12 is not contacted with the cooling liquid, and the problem of motor energy loss caused by stirring of the cooling liquid by the motor rotor 12 is solved; and make stator winding 11 submerge in the coolant in cooling channel 6 to the cooling of stator winding 11 and stator core 2, realize the radiating effect and do not receive the influence of motor installation, solved the too high problem of stator winding 11 local temperature simultaneously, improved the power density of stator winding 11.
Specifically, the first cover comprises a first cover body and a first baffle 32 protruding from one side of the first cover body, which faces the stator core 2, and the first baffle 32 faces the stator core 2 between two adjacent slots; the second cover comprises a second cover body and a second baffle 42 which is convexly arranged on one side of the second cover body, which faces the stator core 2, and the second baffle 42 faces the stator core 2 between two adjacent slots; each first baffle 32 is located between two adjacent second baffles 42, and each second baffle 42 is located between two adjacent first baffles 32 to form the cooling passage 6.
Preferably, the cooling channel 6 has a rectangular wave shape, and specifically, an insertion groove is interposed between the first barrier 32 and the second barrier 42 which are adjacently disposed. By adopting the rectangular wavy cooling channel 6, the contact area between the cooling liquid and the stator core 2 and the stator winding 11 is increased, the whole stator core 2 and the whole stator winding 11 can be in contact with the cooling liquid, and the cooling effect of the stator core 2 and the stator winding 11 is improved.
The shape of the cooling passage 6 is not limited to the rectangular wave shape, and as shown in fig. 5, the cooling passage 6 may be formed by a plurality of F-shaped passages being connected in series, and two slots may be interposed between the first barrier 32 and the second barrier 42 which are provided adjacently. As shown in fig. 6, the cooling passage 6 may be formed by a plurality of E-shaped passages connected in sequence, and three slots may be interposed between the first barrier 32 and the second barrier 42 which are disposed adjacent to each other. The shape of the cooling passage 6 is not limited to the above shape, and at least two of the rectangular wave shape, the E shape and the F shape may be mixed, and N slots, where N is an integer greater than 3, may be interposed between the first barrier 32 and the second barrier 42 that are adjacently disposed, and will not be described in detail herein.
Specifically, the first cover body is provided with a plurality of first boss groups which are circumferentially arranged and point to the second cover body in an upward protruding manner, each first boss group comprises two first bosses 312, and a first slot which is inserted into the first partition 32 is formed between the two first bosses 312. The second cover body is provided with a plurality of second boss groups which are distributed circumferentially and point to the first cover body, each second boss group comprises two second bosses 412, and a second slot which is inserted into the second partition 42 is formed between the two second bosses 412. The mode of splicing is adopted, the installation mode of the motor cooling structure is simplified, and the disassembly and the assembly are convenient.
Further, the first cover body comprises a plurality of first cover plates 31 which are sequentially inserted and arranged along the circumferential direction of the first cover body, and the second cover body comprises a plurality of second cover plates 41 which are sequentially inserted and arranged along the circumferential direction of the second cover body. Specifically, one end of the first cover plate 31 is provided with two first insertion platforms 311, a first insertion groove is formed between the two first insertion platforms 311, and one end of one of the two adjacent first cover plates 31, which is not provided with the first insertion platform 311, is inserted into the first insertion groove of the other first cover plate 31; two second inserting tables 411 are arranged at one end of each second cover plate 41, a second inserting groove is formed between the two second inserting tables 411, one end, which is not provided with the second inserting table 411, of one second cover plate 41 in the two adjacent second cover plates 41 is inserted into the second inserting groove of the other second cover plate 41, and the inserting direction of the first inserting table 311 is opposite to the inserting direction of the second inserting table 411.
Furthermore, a plurality of first openings of which the openings point to the stator core 2 are arranged on the first cover body, and a plurality of second openings of which the openings point to the stator core 2 are arranged on the second cover body; one of the first openings or one of the second openings is a liquid inlet, and one of the first openings or one of the second openings is a liquid outlet. The shell is provided with a liquid inlet pipe communicated with the liquid inlet and an oil outlet pipe communicated with the liquid outlet. In this embodiment, a first opening is formed between two adjacent first cover plates 31, and a second opening is formed between two adjacent second cover plates 41.
In other embodiments, only one first opening may be disposed on the first cover, only one second opening may be disposed on the second cover, and one of the first opening and the second opening serves as a liquid inlet and the other serves as a liquid outlet. Two first openings can be arranged on the first cover body, wherein one opening is used as a liquid inlet, and the other opening is used as a liquid outlet. Two second openings can be arranged on the second cover body, wherein one opening is used as a liquid inlet, and the other opening is used as a liquid outlet.
Further, as shown in fig. 3 and 4, the cooling structure of the stator of the motor further includes a housing, and the stator core 2, the first cover and the second cover are all disposed in the housing; the outer peripheral wall of the stator core 2, the outer peripheral wall of the first cover cap, the outer peripheral wall of the second cover cap and the inner wall of the shell are enclosed to form a closed cavity, so that the first opening and the second opening are both positioned in the closed cavity, and the cooling liquid seeped between the shell and the outer peripheral wall of the first cover cap, between the outer peripheral wall of the second cover cap and the outer peripheral wall of the stator core 2 through the first opening and the second opening is prevented from entering the motor rotor 12, so that the cooling liquid can enter the cooling channel 6 again through other first openings or second openings.
The outer shell includes a first shell 71, a second shell 72, and a middle shell 73 sandwiched between the first shell 71 and the second shell 72.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (10)
1. An electric machine stator cooling structure, comprising:
the stator core (2) is provided with a plurality of slots which are distributed circumferentially;
the blocking piece (5) is used for blocking the opening of the slot facing to one side of the center of the slot;
first shroud and second shroud are located respectively stator core (2) axial both ends, the slot interpolation is equipped with stator winding (11) and makes first shroud the second shroud separation blade (5) and a plurality of the slot encloses into edge stator core (2) cooling channel (6) that circumference extends, stator winding (11) submergence in the coolant liquid in cooling channel (6), first shroud and/or be equipped with the inlet on the second shroud, first shroud and/or be equipped with the liquid outlet on the second shroud.
2. The electric machine stator cooling structure according to claim 1, characterized in that the first cover comprises a first cover body and a first barrier (32) protruding from the first cover body on a side directed to the stator core (2), the first barrier (32) facing the stator core (2) between two adjacent slots;
the second cover comprises a second cover body and a second baffle (42) which is convexly arranged on one side of the second cover body, which faces to the stator core (2), and the second baffle (42) faces to the stator core (2) between two adjacent slots;
each first baffle (32) is located between two adjacent second baffles (42), and each second baffle (42) is located between two adjacent first baffles (32) to form the cooling channel (6).
3. The motor stator cooling structure according to claim 2, wherein a plurality of first boss groups which are arranged circumferentially and point to the second cover body are arranged on the first cover body in a protruding manner, each first boss group comprises two first bosses (312), and a first slot which is inserted into the first barrier (32) is formed between the two first bosses (312);
and/or the second cover body is convexly provided with a plurality of second boss groups which are distributed circumferentially and point to the first cover body, each second boss group comprises two second bosses (412), and a second slot which is spliced with the second partition (42) is formed between the two second bosses (412).
4. The motor stator cooling structure according to claim 2, wherein the first cover body comprises a plurality of first cover plates (31) which are sequentially inserted in the circumferential direction of the first cover body, and the second cover body comprises a plurality of second cover plates (41) which are sequentially inserted in the circumferential direction of the second cover body.
5. The electric machine stator cooling structure according to claim 4, characterized in that the plugging direction of the first cover plate (31) and the plugging direction of the second cover plate (41) are opposite.
6. The motor stator cooling structure according to claim 2, wherein a plurality of first openings are provided on the first cover body to point to the stator core (2), and a plurality of second openings are provided on the second cover body to point to the stator core (2);
one of the first openings or one of the second openings is the liquid inlet, and one of the first openings or one of the second openings is the liquid outlet.
7. The electric machine stator cooling structure according to claim 6, further comprising a housing, the stator core (2), the first cover, and the second cover being provided in the housing;
the periphery wall of stator core (2), the periphery wall of first shroud with the periphery wall of second shroud with the inner wall of shell encloses into airtight cavity, makes first opening with the second opening all is in the airtight cavity.
8. The electric machine stator cooling structure according to claim 7, characterized in that the housing includes a first housing (71), a second housing (72), and an intermediate housing (73) interposed between the first housing (71) and the second housing (72).
9. The motor stator cooling structure according to claim 7, wherein the housing is provided with a liquid inlet pipe communicating with the liquid inlet, and a liquid outlet pipe communicating with the liquid outlet.
10. An electric machine comprising the stator cooling structure of the electric machine according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010502058.1A CN111555486A (en) | 2020-06-04 | 2020-06-04 | Motor stator cooling structure and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010502058.1A CN111555486A (en) | 2020-06-04 | 2020-06-04 | Motor stator cooling structure and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111555486A true CN111555486A (en) | 2020-08-18 |
Family
ID=72008626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010502058.1A Pending CN111555486A (en) | 2020-06-04 | 2020-06-04 | Motor stator cooling structure and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111555486A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112531935A (en) * | 2020-12-17 | 2021-03-19 | 江苏交科能源科技发展有限公司 | Motor stator inserting pipe cooling device and using method thereof |
| CN112910181A (en) * | 2021-03-01 | 2021-06-04 | 江苏华频电子科技有限公司 | Brushless motor with high-efficient heat dissipation |
| CN113675966A (en) * | 2021-09-14 | 2021-11-19 | 宁波吉利罗佑发动机零部件有限公司 | Stator assembly, motor and motor cooling system |
| CZ309032B6 (en) * | 2020-10-22 | 2021-12-08 | Jan Manoch | Electric engine |
-
2020
- 2020-06-04 CN CN202010502058.1A patent/CN111555486A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ309032B6 (en) * | 2020-10-22 | 2021-12-08 | Jan Manoch | Electric engine |
| CN112531935A (en) * | 2020-12-17 | 2021-03-19 | 江苏交科能源科技发展有限公司 | Motor stator inserting pipe cooling device and using method thereof |
| CN112910181A (en) * | 2021-03-01 | 2021-06-04 | 江苏华频电子科技有限公司 | Brushless motor with high-efficient heat dissipation |
| CN112910181B (en) * | 2021-03-01 | 2022-02-22 | 江苏华频电子科技有限公司 | Brushless motor with high-efficient heat dissipation |
| CN113675966A (en) * | 2021-09-14 | 2021-11-19 | 宁波吉利罗佑发动机零部件有限公司 | Stator assembly, motor and motor cooling system |
| CN113675966B (en) * | 2021-09-14 | 2023-11-24 | 无锡星驱科技有限公司 | Stator assembly, motor and motor cooling system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211111 Address after: 300300 Building 1, block B, No. 1, Xishi Road, pilot free trade zone (Airport Economic Zone), Binhai New Area, Tianjin Applicant after: Tianjin Songzheng Auto Parts Co.,Ltd. Address before: 300300 No. 1, Xishi Road, free trade zone (Airport Economic Zone), Binhai New Area, Tianjin Applicant before: TIANJIN SANTROLL ELECTRIC AUTOMOBILE TECHNOLOGY Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Free House R&D Building, No. 69, West 11th Road, Tianjin Free Trade Pilot Zone (Airport Economic Zone), Binhai New Area, Tianjin 300300 Applicant after: BorgWarner Powertrain (Tianjin) Co., Ltd. Address before: 300300 Building 1, block B, No. 1, Xishi Road, pilot free trade zone (Airport Economic Zone), Binhai New Area, Tianjin Applicant before: Tianjin Songzheng Auto Parts Co.,Ltd. |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200818 |