CN208986739U - Disc type electric machine - Google Patents
Disc type electric machine Download PDFInfo
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- CN208986739U CN208986739U CN201821438477.8U CN201821438477U CN208986739U CN 208986739 U CN208986739 U CN 208986739U CN 201821438477 U CN201821438477 U CN 201821438477U CN 208986739 U CN208986739 U CN 208986739U
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- water channel
- thermally conductive
- conductive sheet
- electric machine
- type electric
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Abstract
The utility model provides a kind of disc type electric machine, including casing and the stator core being fixedly arranged in casing, it further include the cooling water channel for being disposed circumferentially the outer ring of inner ring and stator core of casing, the inlet and outlet for being connected to cooling water channel are offered on casing, are filled in stator core and are connected to the cooling medium that its inner ring transmits heat to cooling water channel.By surrounding arrangement cooling water channel between motor case and stator core, the cooling water of cooling water channel is provided by the inlet and outlet on casing, the heat of stator core is transmitted by cooling medium, therefore when disc type electric machine is applied to the applications such as automobile, it is cooling motor directly can be carried out using the cooling water channel in system, no setting is required, and individual oil cooled system system cools down disc type electric machine, reduces the complexity of cooling system, optimizes the cooling structure of disc type electric machine.
Description
Technical field
The utility model relates to technical field of motors, more specifically to a kind of disc type electric machine.
Background technique
Disc type electric machine is also motor in axial magnetic field, and the direction in the magnetic field inside motor is axially axial magnetic field electricity
Flat structure is generally all presented in machine.
The structure of disc type electric machine mainly has single stator single rotor, bimorph transducer single rotor, single stator and double-rotor and multiple stators
The structure of more rotors.With the breakthrough of new material and new process, disc type electric machine starts slowly to rise.Disc type electric machine is due to higher
Iron core utilization, bigger power density and higher torque density are strictly wanted particularly suitable for having to motor volume and weight
The occasion asked.
In a kind of disc type electric machine of existing single stator and double-rotor structure, stator is located among two rotors, stator electricity
Pivot iron core and winding are fixed in the casing of motor by stator front end-plate and stator end plate.Stator front end-plate, stator rear end
Plate and motor case together form a closed cavity, using the closed cavity, realize the oil duct inside motor stator
Cavity and specific oil circuit arrangement.
In the disc type electric machine of single stator and double-rotor, the motor stator type of cooling cold using oil, therefore to motor stator
It is sealed with biggish requirement.In order to realize preferable sealing effect, existing scheme is using stator front end-plate and stator end plate
The iron core of motor and winding are coated on inside completely, to form closed cavity.But due to stator front end-plate and stator after
End plate is located among stator core and rotor magnetic steel, therefore This structure increases the actually active air gaps of electric machine rotor, reduce
The electromagnetic performance of motor.
Simultaneously as above-mentioned disc type electric machine is cold using oil, therefore when being used in automotive applications, provided due to vehicle
It is chilled(cooling) water return (CWR), therefore also needs nominal configuration heat exchanger and corresponding oil pump and oil pump drive system, entire oil circuit
Circuit system is complicated.
The bearing of disc type electric machine is fixed at stator inner periphery, stator inner periphery as bearing chamber, the structure middle (center) bearing by
Stator support, and motor is in the process of running, stator is the largest pyrotoxin, and the high temperature of stator can be transmitted to bearing chamber and axis
It holds, reduces bearing reliability and service life, and increase the risk of bearing fault.In addition, due to front and back bearings all positions of disc type electric machine
In narrow stator shaft orientation space, therefore the front and back bearings of motor are apart from close.The bearing arrangement of this configuration easily causes
The vibration of rotor-support-foundation system and the risk for increasing both sides rotor unbalance.
Therefore, the cooling structure for how optimizing disc type electric machine, is a problem to be solved by those skilled in the art.
Utility model content
In view of this, the present invention provides a kind of disc type electric machines, to optimize the cooling structure of disc type electric machine.
In order to achieve the above object, the utility model provides the following technical solutions:
A kind of disc type electric machine further includes being disposed circumferentially institute including casing and the stator core being fixedly arranged in the casing
The cooling water channel of the inner ring of casing and the outer ring of the stator core is stated, is offered on the casing and is connected to the cooling water channel
Inlet and outlet；
It is filled in the stator core and is connected to the cooling medium that its inner ring transmits heat to the cooling water channel.
Preferably, in above-mentioned disc type electric machine, the cooling water channel is the cooling water channel integrally prepared with the casing.
Preferably, in above-mentioned disc type electric machine, the cooling water channel is the water annulus for being installed in the casing inner ring, institute
The water channel cross section for stating water annulus is flat mouth structure, and the inner wall of the water annulus is extended with a plurality of flow to along its water channel and extends
Water channel fin.
Preferably, in above-mentioned disc type electric machine, the cooling water channel includes the multiple water channel pipelines being arranged in juxtaposition, the water
Road pipeline is the spiral channel pipeline of the circumferential screw arrangement along the casing.
Preferably, in above-mentioned disc type electric machine, the stator core includes multiple segmented armatures of annular configuration, Mei Gesuo
It states to wind on segmented armature and is disposed with coil；The cooling medium includes being located between two coils of arbitrary neighborhood,
And along the radial direction arrangement of the stator core, extended between the line to offset with the cooling water channel by the inner ring of the stator core
Thermally conductive sheet.
Preferably, in above-mentioned disc type electric machine, thermally conductive sheet is copper thermally conductive sheet or ceramic piece between the line.
Preferably, in above-mentioned disc type electric machine, the cooling medium further includes be located at the stator core interior
Circle and outer ring, and the inner ring thermally conductive sheet and outer ring thermally conductive sheet that the both ends of thermally conductive sheet offset between the line respectively.
Preferably, in above-mentioned disc type electric machine, the inner ring thermally conductive sheet and the outer ring thermally conductive sheet include multistage along institute
State the circular arc thermally conductive sheet of the circumferential splicing cooperation of stator core.
Preferably, in above-mentioned disc type electric machine, the inner ring thermally conductive sheet and the outer ring thermally conductive sheet are copper thermally conductive sheet
Or ceramic piece.
Preferably, it in above-mentioned disc type electric machine, is additionally provided in the casing and is located at the stator core axial two
Side carries out the stator front end-plate and stator end plate of clamping limit to it；The cooling medium further includes being filled in the stator
Between front end-plate and the stator end plate, and consolidate thermally conductive sheet between the stator core, the line, the annular thermally conductive sheet and
The media filler layer of the cooling water channel.
Preferably, in above-mentioned disc type electric machine, the media filler layer is the thermally conductive casting glue of epoxies or silicon class.
Disc type electric machine provided by the utility model further includes surrounding including casing and the stator core being fixedly arranged in casing
It is arranged in the cooling water channel of the inner ring of casing and the outer ring of stator core, the water inlet for being connected to cooling water channel is offered on casing
And water outlet, interior be filled with of stator core are connected to the cooling medium that its inner ring transmits heat to cooling water channel.By
Around arrangement cooling water channel between motor case and stator core, cooling water channel is provided by the inlet and outlet on casing
Cooling water, and cooling medium is filled in stator core, stator core internal heat is transferred to cooling water channel and is cooled down, because
This directly can carry out motor cooling, nothing using the cooling water channel in system when disc type electric machine is applied to the applications such as automobile
Individual oil cooled system system need to be arranged to cool down disc type electric machine, reduce the complexity of cooling system, optimize disc type electric machine
Cooling structure.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 provides the mounting structure schematic diagram of stator core in disc type electric machine for the utility model；
Fig. 2 is the cross-sectional view of Fig. 1 radially；
Fig. 3 is the partial enlarged view in Fig. 2 at A；
Fig. 4 is the explosive view of stator core mounting structure in Fig. 1.
Specific embodiment
The utility model discloses a kind of disc type electric machines, optimize the cooling structure of disc type electric machine.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clear, complete description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
As Figure 1-Figure 4, Fig. 1 provides the mounting structure schematic diagram of stator core in disc type electric machine for the utility model；
Fig. 2 is the cross-sectional view of Fig. 1 radially；Fig. 3 is the partial enlarged view in Fig. 2 at A；Fig. 4 is stator core installation knot in Fig. 1
The explosive view of structure.
This case provides a kind of disc type electric machine, further includes surrounding including casing 1 and the stator core 2 being fixedly arranged in casing 1
It is arranged in the cooling water channel 3 of the inner ring of casing 1 and the outer ring of stator core 2, is offered on casing 1 and is connected to cooling water channel 3
Water inlet 31 and water outlet 32, interior be filled with of stator core are connected to the cooling that its inner ring transmits heat to cooling water channel 3
Medium.By, around arrangement cooling water channel 3, by the water inlet 31 on casing 1 and going out between motor case 1 and stator core 2
The mouth of a river 32 provides the cooling water of cooling water channel 3, and fills cooling medium in stator core 2, and 2 internal heat of stator core is passed
It is handed to cooling water channel 3 to be cooled down, therefore when disc type electric machine is applied to the applications such as automobile, it can be directly using in system
Cooling water channel carry out that motor is cooling, and no setting is required individually oil cooled system system disc type electric machine is cooled down, reduce cooling system
Complexity, optimize the cooling structure of disc type electric machine.
Between casing 1 and stator core 2, cooling water channel 3 can be arranged with casing 1 to be structure as a whole cooling water channel 3,
Cooling water channel 3 is directly taken shape in the inner ring of casing 1 by modes such as castings.Cooling water channel 3 can also be arranged and be independent
Cooling structure is installed between casing 1 and stator core 2 by way of being fixedly mounted with.
In one specific embodiment of this case, cooling water channel 3 is the water annulus that water channel cross section is flat mouth structure, annular water
The a plurality of water channel fin 33 extended along its water channel flow direction is extended on the inner wall in road.Cooling water channel 3 is located at casing 1 and stator core
Between 2, in order to avoid increasing casing external dimensions, while also avoiding reducing the internal structure of stator core as far as possible, influence disc type
The magnetic property of motor sets the water annulus that cross section is flat mouth structure for cooling water channel 3, considers stator core 2 by stator
Front end-plate 4 and stator end plate 5 clamp limit, and the width of cooling water channel 3 is installed in stator front end-plate 4 in the direction of the width and determines
Between sub- end plate 5, outer ring of the cooling water channel 3 in a thickness direction respectively with 1 inner wall of casing and stator core 2 offsets, a side
Face avoids occupying more disc type electric machine inner space, on the other hand makes the outer ring of stator core 2 and the direct phase of cooling water channel 3
It supports, the heat of stator core 2 is directly transferred to internal cooling water by the outer wall of cooling water channel 3, improves cooling effect.
Meanwhile in order to further increase cooling water channel 3 to the heat-sinking capability of stator core, stretched in the inner wall of cooling water channel 3
A plurality of water channel fin 33 out, preferably water channel fin 33 flow to arrangement along the water channel of cooling water channel 3, along water inlet to water outlet
On direction, increases the contact area of cooling water channel 3 inner wall and cooling water, further increase the heat-sinking capability of cooling water channel 3.Specifically
Ground, water channel fin 33 are distributed in cooling water channel 3 along the two sides of the thickness direction of its flat mouth structure.
In one specific embodiment of this case, cooling water channel 3 includes the multiple water channel pipelines being arranged in juxtaposition, and water channel pipeline is edge
The spiral channel pipeline of the circumferential screw arrangement of casing 1.Cooling water channel 3 can pass through the annular of the single circular ring structure of flat mouth structure
Water channel carries out cooling heat stator core 2, can also set cooling water channel 3 to the multiple water channel pipelines being arranged in juxtaposition, often
A water channel pipeline structure in the shape of a spiral, and circumferentially along stator core 2, pass through helicoidal structure and increases stator core 2
The heat-sinking capability of outer ring and cooling water channel 3.
In one specific embodiment of this case, stator core 2 includes multiple segmented armatures 21 of annular configuration, each segmentation electricity
Winding is disposed with coil 6 on pivot 21；Cooling medium includes between two coils 6 positioned at arbitrary neighborhood, and along stator core 2
Radial arrangement, thermally conductive sheet 7 between the line to offset with cooling water channel 3 is extended to by the inner ring of stator core 2.Outside stator core 2
Circle offsets with cooling water channel 3, and the heat of 2 outer ring of stator core can be directly delivered to cooling water channel 3 and export through cooling water, depending on
Sub- 2 inner ring of iron core is due to bearing support and coil heating, and heat is only capable of logical heat transfer, and segmented armature 21 is transmitted to cold
But water channel 3 influence the heat dissipation effect of motor.
Stator core 2 is the structure by multiple segmented armatures 21 around arrangement, passes through line on two neighboring segmented armature 21
Circle 6 abuts, and by the way that thermally conductive sheet 7 between line is arranged between two coils 6 of arbitrary neighborhood, thermally conductive sheet 7 is by stator core 2 between line
Inner ring extends to outer ring, and is installed between two segmented armatures 21, and thermally conductive sheet 7 directly offsets with coil 6 between line, outer ring with
Cooling water channel 3 connects, therefore the heat of 2 inner ring of stator core can be directly delivered on cooling water channel 3 by thermally conductive sheet 7 between line.
By segmented armature 21 itself, thermally conductive sheet 7 is jointly by the heat transfer of 2 inner ring of stator core to cooling water channel 3 between line, into one
Step improves the heat-sinking capability of stator motor.
In one specific embodiment of this case, cooling medium further includes inner ring thermally conductive sheet and outer ring thermally conductive sheet, stator core 2
Inner ring be provided with the inner ring thermally conductive sheet 8 to offset with coil 6, thermally conductive sheet 7 and the outer ring of inner ring thermally conductive sheet 8 offset between line.Stator
The inner ring of iron core 2 is to be arranged rotor supports axis, and in motor work, the inner ring of stator core 2 can still generate more heat transfer, be
It realizes heat dissipation of the cooling water channel 3 to 2 inner ring of stator core, inner ring thermally conductive sheet 8 is arranged in the inner ring of stator core 2, inner ring is led
Bearing of the inner ring of backing 8 to accommodate rotor, thermally conductive sheet 7 offsets between the outer ring and line of inner ring thermally conductive sheet 8, in stator core 2
Enclose the heat generated, can be distributed to thermally conductive sheet 7 between each line by inner ring thermally conductive sheet 8, and through the cooling water in cooling water channel 3 into
Row cooling, it is common to realize to effective heat dissipation inside stator core by the cooperation of thermally conductive sheet 7 and inner ring thermally conductive sheet 8 between line.
Outer ring thermally conductive sheet between cooling water channel 3 and stator core, by cooling water channel 3 directly with stator core 2 and line
Between the end of thermally conductive sheet 7 offset, since the heat of different location is different, so that cooling water channel 3 is to stator core different location
Cooling effect is inconsistent, by the way that outer ring thermally conductive sheet is arranged, using the preferable thermal heat transfer capability of outer ring thermally conductive sheet, by stator core 2
Heat between line on thermally conductive sheet 7 quickly transmits, and cooling water channel 3 is bonded with the outer ring of outer ring thermally conductive sheet, plays optimal thermally conductive
Effect.Certainly, outer ring thermally conductive sheet can carry out optional arrangement according to different types, be selected according to the Thermogenesis of different type of machines
Dress, meets the needs of different type of machines.
Specifically, inner ring thermally conductive sheet 8 includes multistage along its multiple circular arc thermally conductive sheet 81 that circumferentially splicing cooperates.Outer ring is thermally conductive
Piece is likewise provided as the splicing structure being made of multiple circular arc thermally conductive sheets, for the preparation difficulty and assembly for reducing annular thermally conductive sheet 8
Annular thermally conductive sheet 81 is divided into multistage, mutually spliced between every two sections by difficulty, to reduce the assembly of annular thermally conductive sheet entirety
Difficulty.
In one specific embodiment of this case, thermally conductive sheet 7 and inner ring thermally conductive sheet 8, outer ring thermally conductive sheet are copper thermally conductive between line
Piece or ceramic piece.Thermally conductive sheet and annular thermally conductive sheet between copper line are prepared using the high-termal conductivity of copper material, it can also be with
It is prepared using the non-metallic material such as thermal conductive ceramic of high thermal conductivity.Meanwhile high thermal conductivity can be used in the thermally conductive sheet of laminated structure
Heat pipe preparation, effectively to be transmitted to the heat on stator coil.
In one specific embodiment of this case, it is additionally provided in casing 1 and is respectively arranged at 2 axial sides of stator core, to it
Carry out the stator front end-plate 4 and stator end plate 5 of clamping limit；Cooling medium further includes being filled in stator front end-plate 4 and stator
Between end plate 5, consolidation stator core 2, thermally conductive sheet 7 between line, annular thermally conductive sheet (inner ring thermally conductive sheet 8, outer ring thermally conductive sheet) and cold
But the media filler layer of water channel.After various components are assembled, need for various components solidification to be integral, by before stator
It is filled out between end plate 4 and stator end plate 5 and between stator core 2, line between thermally conductive sheet 7, annular thermally conductive sheet and cooling water channel 3
High thermal conductivity, curable media filler layer are filled, the air gap between 2 various components inside of stator core is filled, to guarantee
The heat generated in coil and iron core can be effectively passed to thermally conductive sheet, and finally heat is taken away by cooling medium, work as electricity
In machine operational process, the coil and iron core of motor are maximum two pyrotoxins inside motor, thermally conductive sheet and inner end between line
Annular thermally conductive sheet by the heat absorption in coil and iron core and can be effectively passed to the cooling water channel of motor very well, to mention
Good heat dissipation effect.
Preferably, media filler layer is the thermally conductive casting glue of epoxies or silicon class, utilizes the exhausted of the thermally conductive casting glue of epoxies
Edge performance is high, structural strength is big and the advantage of many uniquenesses such as good seal performance, can be applied to high and low voltage electrical equipment, motor and electronics
In the insulation and encapsulation of component, the casting to electric appliance, motor insulating envelope may be implemented in use.Equally, silicon
The thermally conductive casting glue material of class also has preferable bonding, insulation and heating conduction, can be potted to motor inner part viscous
It connects, and plays good heat-conducting effect.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (11)
1. a kind of disc type electric machine, which is characterized in that further include surrounding including casing and the stator core being fixedly arranged in the casing
It is arranged in the cooling water channel of the inner ring of the casing and the outer ring of the stator core, is offered on the casing described in being connected to
The inlet and outlet of cooling water channel；
It is filled in the stator core and is connected to the cooling medium that its inner ring transmits heat to the cooling water channel.
2. disc type electric machine according to claim 1, which is characterized in that the cooling water channel is integrally to prepare with the casing
Cooling water channel.
3. disc type electric machine according to claim 1, which is characterized in that the cooling water channel is to be installed in the casing inner ring
Water annulus, the water channel cross section of the water annulus is flat mouth structure, and the inner wall of the water annulus is extended with a plurality of edge
The water channel fin that its water channel flow direction extends.
4. disc type electric machine according to claim 1, which is characterized in that the cooling water channel includes the multiple water being arranged in juxtaposition
Road pipeline, the water channel pipeline are the spiral channel pipeline of the circumferential screw arrangement along the casing.
5. disc type electric machine according to claim 1, which is characterized in that the stator core includes multiple points of annular configuration
Section armature, winding is disposed with coil on each segmented armature；The cooling medium includes two for being located at arbitrary neighborhood
Between the coil, and along the radial direction arrangement of the stator core, extended to and the cooling by the inner ring of the stator core
Thermally conductive sheet between the line that water channel offsets.
6. disc type electric machine according to claim 5, which is characterized in that thermally conductive sheet is copper thermally conductive sheet or ceramics between the line
Thermally conductive sheet.
7. disc type electric machine according to claim 5, which is characterized in that the cooling medium further include be located at it is described fixed
The inner ring and outer ring of sub- iron core, and the inner ring thermally conductive sheet and outer ring thermally conductive sheet that the both ends of thermally conductive sheet offset between the line respectively.
8. disc type electric machine according to claim 7, which is characterized in that the inner ring thermally conductive sheet and the outer ring thermally conductive sheet are equal
Including multistage along the circular arc thermally conductive sheet of the circumferential splicing cooperation of the stator core.
9. disc type electric machine according to claim 8, which is characterized in that the inner ring thermally conductive sheet and the outer ring thermally conductive sheet are equal
For copper thermally conductive sheet or ceramic piece.
10. disc type electric machine according to claim 7, which is characterized in that be additionally provided in the casing described in being located at
Stator core axial sides carry out the stator front end-plate and stator end plate of clamping limit to it；The cooling medium further includes
It is filled between the stator front end-plate and the stator end plate, and consolidates thermally conductive sheet between the stator core, the line, institute
State the media filler layer of inner ring thermally conductive sheet, the outer ring thermally conductive sheet and the cooling water channel.
11. disc type electric machine according to claim 10, which is characterized in that the media filler layer is epoxies or silicon class
Thermally conductive casting glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821438477.8U CN208986739U (en) | 2018-09-04 | 2018-09-04 | Disc type electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821438477.8U CN208986739U (en) | 2018-09-04 | 2018-09-04 | Disc type electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208986739U true CN208986739U (en) | 2019-06-14 |
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ID=66783131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821438477.8U Active CN208986739U (en) | 2018-09-04 | 2018-09-04 | Disc type electric machine |
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| Country | Link |
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| CN (1) | CN208986739U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752694A (en) * | 2019-10-21 | 2020-02-04 | 大工电机(上海)有限公司 | Motor winding direct cooling motor and cooling method |
| CN111682661A (en) * | 2020-06-08 | 2020-09-18 | 齐鲁工业大学 | Disk type motor based on dovetail slot wedge cooling system |
| CN111682662A (en) * | 2020-06-08 | 2020-09-18 | 齐鲁工业大学 | Novel disc type motor with cooling channel |
| CN111953109A (en) * | 2020-08-11 | 2020-11-17 | 哈尔滨工业大学 | Double-layer integral pitch winding axial magnetic field permanent magnet synchronous motor |
| CN112821644A (en) * | 2021-01-29 | 2021-05-18 | 上海电机学院 | Water cooling system of disc type coreless permanent magnet motor |
| WO2022156505A1 (en) * | 2021-01-25 | 2022-07-28 | 中国第一汽车股份有限公司 | Motor cooling system, motor cooling method, and motor |
| WO2024036658A1 (en) * | 2022-08-16 | 2024-02-22 | 浙江盘毂动力科技有限公司 | Cooling structure and manufacturing method therefor, and axial magnetic field motor |
-
2018
- 2018-09-04 CN CN201821438477.8U patent/CN208986739U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752694A (en) * | 2019-10-21 | 2020-02-04 | 大工电机(上海)有限公司 | Motor winding direct cooling motor and cooling method |
| CN111682661A (en) * | 2020-06-08 | 2020-09-18 | 齐鲁工业大学 | Disk type motor based on dovetail slot wedge cooling system |
| CN111682662A (en) * | 2020-06-08 | 2020-09-18 | 齐鲁工业大学 | Novel disc type motor with cooling channel |
| CN111682661B (en) * | 2020-06-08 | 2021-12-24 | 齐鲁工业大学 | Disk type motor based on dovetail slot wedge cooling system |
| CN111953109A (en) * | 2020-08-11 | 2020-11-17 | 哈尔滨工业大学 | Double-layer integral pitch winding axial magnetic field permanent magnet synchronous motor |
| WO2022156505A1 (en) * | 2021-01-25 | 2022-07-28 | 中国第一汽车股份有限公司 | Motor cooling system, motor cooling method, and motor |
| CN112821644A (en) * | 2021-01-29 | 2021-05-18 | 上海电机学院 | Water cooling system of disc type coreless permanent magnet motor |
| WO2024036658A1 (en) * | 2022-08-16 | 2024-02-22 | 浙江盘毂动力科技有限公司 | Cooling structure and manufacturing method therefor, and axial magnetic field motor |
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