CN113965016A - Novel heat dissipation cast aluminum rotor of new energy automobile - Google Patents
Novel heat dissipation cast aluminum rotor of new energy automobile Download PDFInfo
- Publication number
- CN113965016A CN113965016A CN202111248201.XA CN202111248201A CN113965016A CN 113965016 A CN113965016 A CN 113965016A CN 202111248201 A CN202111248201 A CN 202111248201A CN 113965016 A CN113965016 A CN 113965016A
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- rotor
- fan blades
- cast aluminum
- inclined plane
- wall
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- 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
- H02K1/22—Rotating parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The application discloses novel heat dissipation cast aluminium rotor of new energy automobile, design the aluminium ring for annular inclined plane shape, the outer wall of aluminium ring is outwards gathered together, the aluminium ring outer wall is the inclined plane, when the rotor is rotatory, the air flows toward the outside along the iron core around the rotor, rotor surface forms the wind of blowing toward outer along the inclined plane direction, blow and carry out the radiating operation to space and pivot tip between stator and the rotor, and the inner wall of aluminium ring is gathered together toward the inside, the aluminium ring inner wall is the inclined plane, when the rotor is rotatory, the air flows toward the inboard along the iron core around the rotor, rotor surface forms the wind of inhaling toward aluminium ring inside along the inclined plane direction, blow inside the iron core, in order to reach the radiating effect.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a novel heat-dissipation cast aluminum rotor of a new energy automobile.
Background
The new energy automobile is a new trend of our automobile market, the new energy automobile motor technology is a determining factor for determining the rapid development of the new energy automobile, and the motor rotor is an indispensable part of the motor, wherein the cast aluminum rotor is a very common motor rotor, which is light in weight and low in electrical failure rate, and is very suitable for being applied to the new energy automobile, but the rotor itself generates heat and the heat radiation of the stator part can cause the local or overall overheating of the rotor, the overheating of the motor can cause the rapid degradation of the motor winding insulation, and the other problem caused by the overheating of the motor is that the permanent magnet in the rotor loses the magnetism when being overheated, resulting in the efficiency loss. Therefore, it is important to cool the internal machine components (e.g., rotor) as well as the external machine components (e.g., housing, stator).
The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.
Disclosure of Invention
In order to solve the problems, the invention provides a novel heat dissipation cast aluminum rotor of a new energy automobile, wherein an aluminum ring is designed into an annular inclined plane shape, the outer wall of the aluminum ring is gathered outwards, air around the rotor flows towards the outer side along an iron core when the rotor rotates, wind blowing outwards along the inclined plane direction is formed on the surface of the rotor, the wind blowing towards the space between a stator and the rotor and the end part of a rotating shaft is subjected to heat dissipation operation, the inner wall of the aluminum ring is gathered inwards, the air around the rotor flows towards the inner side along the iron core when the rotor rotates, and wind sucking towards the inside of the aluminum ring along the annular inclined plane direction is formed on the surface of the rotor and blown towards the inside of the iron core, so that a good heat dissipation effect is achieved.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a novel heat dissipation cast aluminum rotor of a new energy automobile comprises an iron core and a rotating shaft, wherein the iron core is formed by laminating a plurality of steel sheets and then pouring molten aluminum for cooling, aluminum rings are formed at two axial ends of the iron core, a hollow groove is formed at the radial position between the aluminum rings and the rotating shaft, the ring surface of each aluminum ring facing the hollow groove is arranged as an inner wall, and the ring surface of each aluminum ring and the outer edge of the cast aluminum rotor, which are matched, is arranged as an outer wall; the inner wall and/or the outer wall is/are provided with an annular inclined plane;
the annular inclined surface enables the outer wall of the aluminum ring to gather outwards along the axial direction, so that gas around the cast aluminum rotor forms airflow movement from the iron core to the outside along the axial direction in the rotation process of the cast aluminum rotor;
the annular inclined surface enables the inner wall of the aluminum ring to gather inwards along the axial direction, and gas around the cast aluminum rotor forms airflow movement of the axial outer side towards the direction of the iron core in the rotating process of the cast aluminum rotor.
Above-mentioned structure, cast the aluminium rotor when high-speed rotatory, air velocity on its every side becomes fast, form pressure differential with atmospheric pressure, it flows to form the air on the rotor surface, the direction that sets up on annular inclined plane is different, the effect of production is also different, annular inclined plane sets up to aluminium ring outer wall when gathering together along the axial outside, annular inclined plane surface is the slope, the air that flows is dispersed by the iron core to the axial outside and is blown off, form the exhaust effect, play the wind-cooling radiating effect to rotor surface and surrounding space, annular inclined plane sets up to aluminium ring inner wall when gathering together along the axial inside side, aluminium ring inner wall is the slope, cast aluminium rotor surrounding gas is blown off to aluminium ring inner wall to the iron core direction by the axial outside, form the effect of breathing in.
Furthermore, the annular inclined plane is provided with a plurality of fan blades which are uniformly distributed along the circumferential direction of the annular inclined plane. The annular inclined plane is provided with a plurality of fan blades, the cast aluminum rotor rotates, the fan blades rotate to cut air to form a wind pressure annular inclined plane which is a negative pressure area, flowing air continuously enters under the action of atmospheric pressure to form air flowing circulation, the rotor is subjected to heat dissipation operation, the fan blades are arranged on the annular inclined plane, the size of the cast aluminum rotor can be reduced, and the annular inclined plane is matched with the fan blades to enable wind power generated by the annular inclined plane to flow more strongly.
Furthermore, a reinforcing piece is connected between the fan blades and is connected with the fan blades and the cast aluminum rotor. The reinforcing piece plays the effect of fixed flabellum, prevents that the flabellum from rocking and leading to the flabellum phenomenon of dropping to take place when cast aluminium rotor is high-speed rotatory.
Further, the reinforcement is set to be a ring-shaped plate, the ring-shaped plate is arranged on the end face of the iron core or on the annular inclined plane, the outer wall of the ring-shaped plate is connected to the fan blades, and the ring-shaped plate is provided with a ventilation hole. The annular plate simple structure, the processing of being convenient for, reduction in production cost has better stability, sets up the ventilation hole simultaneously and can gather partial wind-force and blow to the pivot portion with higher speed on the annular plate to reach the pertinence radiating effect.
Furthermore, the reinforcing part is arranged as a connecting rib which is arranged between the adjacent fan blades. The reinforcing ribs play a role in fixing the fan blades.
Furthermore, the fan blades on the inner wall of the aluminum ring are connected to one side of the bottom of the annular inclined plane and arranged close to the direction of the inner side iron core of the annular inclined plane, the other side of the fan blades is arranged close to the direction of the outer side edge of the annular inclined plane, and the size of the bottom of the fan blades close to the inner side of the annular inclined plane is larger than the size of the other side of the bottom of the fan blades. The air that flows is by the broadside to the leptoprosopy in-process when having the broad region entering narrower region of broad region because of the air particle, and the air particle can have the effect with higher speed, can promote the wind speed, improves the radiating efficiency, and flabellum joint strength is high simultaneously, and stability is good, can omit and set up the reinforcement.
Furthermore, the connecting ribs are arranged in the middle of the fan blades and divide the fan blades in the radial direction. The fan blade is divided into two parts by the connecting ribs in the radial direction, so that the blowing area can be increased.
Furthermore, the connecting ribs are obliquely arranged, and a plurality of groups of connecting ribs are arranged between adjacent fan blades. The connection rib is obliquely arranged to guide wind in the oblique direction, and the multiple groups of connection ribs are arranged to divide one wind into multiple winds in different directions and blow in the oblique direction of the connection rib so as to achieve the balanced heat dissipation effect of each part of the cast aluminum rotor.
Furthermore, the fan blades are triangular, spiral and threaded. The shape of the fan blade can also influence the wind effect, the triangular fan blade can ensure the stability of the fan blade in the rotating process of the rotor, meanwhile, the symmetry of the triangle is utilized, so that the center of gravity of the rotor is uniform and stable in the rotating process, the wind power is uniformly cut, the gas flow is more regular and controllable, the air is more easily cut by the arc-shaped fan blades in the rotating process of the rotor, the generated noise is smaller, the wind is softer, the spiral flow is formed, the blowing direction of the flowing air is more divergent, the blowing range is wider, the generated wind not only can radiate the rotor, but also can radiate the heat radiation space between the rotor and the stator, the polygonal fan blade can form different flowing postures, different wind power sizes and different blowing directions when air passes through the fan blade area by utilizing the change of the shape of the fan blade, and has more variability and applicability.
By adopting the structure, air flows when the cast aluminum rotor rotates, and flows along the surface of the cast aluminum rotor under the action of atmospheric pressure, the design of the annular inclined surface enables the air to be blown to the rotor along the direction of the annular inclined surface, the arrangement directions of the annular inclined surfaces are different, the generated effects are also different, the flowing air is diffused and blown out from the iron core to the axial outer side when the outer wall of the aluminum ring is gathered to the axial outer side to form an exhaust effect, the air cooling and heat dissipation effect is exerted on the rotor surface and the surrounding space, and the air around the cast aluminum rotor is blown off from the axial outer side to the inner wall of the aluminum ring to the iron core direction when the inner wall of the aluminum ring is gathered to the axial inner side to form an air suction effect. Furthermore, a plurality of fan blades are arranged on the annular inclined plane, the rotor rotates, the fan blades rotate to cut air to form wind, the effect of flowing air generated by the annular inclined plane is further enhanced, the rotor is subjected to heat dissipation operation, the rotating speed is higher, the number of the fan blades is larger, the volume of the cut air is smaller, the wind power is softer, the air surface contacted with each fan blade is small, the generated acting force is small, the generated noise is small, the wind effect can be influenced by the shape of each fan blade, the shape of each fan blade is triangular, vortex and the like, and different fan blades are different in air flow processing modes.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is another schematic structural diagram of the present invention.
Fig. 3 is a schematic structural diagram of one embodiment of fig. 2 of the present invention.
Fig. 4 is a schematic structural diagram of another embodiment of fig. 2 of the present invention.
Fig. 5 is a schematic structural diagram of the embodiment of fig. 1.
Fig. 6 is a schematic structural view of a further embodiment of fig. 4 of the present invention.
Fig. 7 is a schematic structural diagram of a further embodiment of fig. 3 of the present invention.
Fig. 8 is a schematic structural view of a further embodiment of fig. 5 of the present invention.
Fig. 9 is a schematic structural diagram of a further second embodiment of fig. 4 according to the present invention.
In the figure, 10, an iron core, 20, a rotating shaft, 30, an annular inclined plane, 40, a fan blade, 50, a reinforcing piece, 60 and a vent hole.
Detailed Description
In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In addition, in the description of the present invention, it is to be understood that the terms "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
As shown in fig. 1 to 9, the novel heat dissipation cast aluminum rotor for the new energy automobile comprises an iron core 10 and a rotating shaft 20, wherein the iron core is formed by laminating a plurality of steel sheets and then pouring molten aluminum for cooling, aluminum rings are formed at two axial ends of the iron core 10, a hollow groove is formed at a radial position between the aluminum rings and the rotating shaft, a ring surface of each aluminum ring facing the hollow groove is an inner wall, and a ring surface of each aluminum ring and the outer edge of the cast aluminum rotor, which are matched, is an outer wall; the inner wall and/or the outer wall are/is provided with an annular inclined surface 30, as shown in fig. 1, the annular inclined surface 30 enables the outer wall of the aluminum ring to gather outwards along the axial direction, so that the gas around the cast aluminum rotor forms airflow movement from the iron core to the outside along the axial direction in the rotation process of the cast aluminum rotor, as shown in fig. 2, the annular inclined surface 30 enables the inner wall of the aluminum ring to gather inwards along the axial direction, so that the gas around the cast aluminum rotor forms airflow movement from the outside to the direction of the iron core 10 along the axial direction in the rotation process of the cast aluminum rotor. Annular inclined plane 30 plays the effect of guide air current direction, cast the aluminium rotor when high-speed rotation, air flow velocity on every side becomes fast, form pressure differential with atmospheric pressure, it flows to form the air on the rotor surface, annular inclined plane plays the effect of guide air current direction of motion, annular inclined plane sets up the direction difference, the effect that produces is also different, annular inclined plane sets up to aluminium ring outer wall when gathering together along the axial outside, the outer wall of aluminium ring is the inclined plane, the air is dispersed and is blown off, play the wind-cooling radiating effect to rotor surface and surrounding space, annular inclined plane sets up to aluminium ring inner wall when gathering together along the axial inside side, aluminium ring inner wall is the inclined plane, the air is concentrated and is blown to aluminium ring inner wall, form the effect of breathing in.
As a preferred embodiment of the present application, as shown in fig. 3 to 5, the annular inclined plane 30 is provided with a plurality of fan blades 40, the plurality of fan blades 40 are uniformly distributed along the circumferential direction of the annular inclined plane 30, and are uniformly arranged to keep a good balance in the rotation process of the rotor, and the larger the number of fan blades, the smaller the cutting air volume is, the more uniform the wind power is, the smaller the air surface contacted by each fan blade is, the smaller the generated acting force is, and further, the smaller the generated noise is.
As a preferred example of the present embodiment, as shown in fig. 3, the fan blades are formed in a spiral shape, and the shape of the fan blades is such that the flowing air is cut by a plurality of spiral fan blades to form a spiral wind, and the rotating shaft is wrapped in the center of the spiral wind to intensively dissipate heat from the connecting end of the rotating shaft. The flabellum is vertical triangle-shaped as shown in fig. 4, the flabellum of triangle-shaped is at the rotor rotation in-process, can ensure the stability of flabellum, utilize triangle-shaped symmetry simultaneously, it is high to make the rotor at the even stationarity of centre of gravity in rotation process, wind-force is evenly cut, the gas flow is more regular controllable, be the screw thread form as fig. 5 flabellum, the wind of production will be along the screw direction, blow to the iron core surface, to iron core surface forced air cooling heat dissipation, circular-arc flabellum makes the air more easily cut at rotor rotation in-process, and the noise of production is more gentle, form the heliciform and flow, the direction of blowing of mobile air is more dispersed, the scope of blowing is wider, the wind of production both can dispel the heat to the rotor, simultaneously to the heat radiation space between rotor and the stator operation of blowing. The polygonal fan blade can form different flowing postures, different wind power sizes and different blowing directions when air passes through the fan blade area by utilizing the change of the shape of the fan blade, and has more variability and applicability.
As a preferred example in this embodiment, as shown in fig. 6, the fan blades 40 on the inner wall of the aluminum ring are connected to the bottom side of the annular inclined plane and are disposed near the inner core direction of the annular inclined plane, and the other side is disposed near the outer edge direction of the annular inclined plane, and the size of the bottom of the fan blades near the inner side of the annular inclined plane is larger than the size of the other side of the bottom of the fan blades, so that when the flowing air enters a narrow region from a wide region due to air particles in the process from a wide surface to a narrow surface, the air particles can have an accelerating effect, thereby increasing the wind pressure and the heat dissipation efficiency, and meanwhile, the connection strength between the air guide and the rotor is high, and the reinforcing member 50 can be omitted.
As a preferred embodiment of the present invention, as shown in fig. 6 to 8, a reinforcement member 50 is connected between the fan blades 40, the reinforcement member connects the fan blades and the cast aluminum rotor, and the reinforcement member plays a role of fixing the fan blades, preventing the fan blades from separating from the cast aluminum rotor due to shaking and centrifugal force under high-speed rotation, eliminating potential safety hazards,
in a preferred embodiment of the present invention, the reinforcement 50 is a ring plate, the ring plate is disposed on the end surface or the annular inclined surface of the core, the outer wall of the ring plate is connected to the fan blades, and the ring plate is provided with a vent 60. The design of annular plate can play the reinforcement blade effect, and annular plate simple structure easily produces the processing simultaneously, can reduce the whole volume of cast aluminium rotor, and sets up ventilation hole 60 on the annular plate, gets into the air current in annular plate and fan 50 space, blows out through ventilation hole 60, can play acceleration effect to the air, blows to the partial region of pivot and dispels the heat.
As another preferable mode in this embodiment, as shown in fig. 9, the reinforcing member 50 is provided as a connecting rib, and the connecting rib is provided between adjacent fan blades and functions to fix the fan blades.
Furthermore, the connecting ribs are arranged in the middle of the fan blade 40, the connecting ribs divide the fan blade 40 in the radial direction, the cast aluminum rotor rotates to enable the wind to be divided into two parts when flowing through the fan blade 40 part, the blowing area is increased,
furthermore, the connecting ribs are arranged in an inclined mode, the connecting ribs between the adjacent fan blades 40 are arranged in multiple groups, one wind is divided into multiple winds blowing along the inclined direction of the connecting ribs through the arrangement of the connecting ribs 40, the inclined direction is adjusted, the wind is guided in a directional mode to blow, the air utilization rate is improved, the heat dissipation is carried out on the parts with serious heating through concentrated wind power, or the wind blowing is carried out on all the parts of the rotor in a balanced mode.
The method can be realized by adopting or referring to the prior art in places which are not described in the invention.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (9)
1. The novel heat dissipation cast aluminum rotor of the new energy automobile comprises an iron core and a rotating shaft, wherein the iron core is formed by laminating a plurality of steel sheets and then pouring molten aluminum for cooling, and aluminum rings are formed at two axial ends of the iron core; the inner wall and/or the outer wall is/are provided with an annular inclined surface;
the annular inclined surface enables the outer wall of the aluminum ring to be gathered outwards along the axial direction, so that gas around the cast aluminum rotor forms airflow movement from the iron core to the outside along the axial direction in the rotating process of the cast aluminum rotor;
the annular inclined surface enables the inner wall of the aluminum ring to gather inwards along the axial direction, so that gas around the cast aluminum rotor forms airflow movement of which the axial outer side faces the direction of the iron core in the rotating process of the cast aluminum rotor.
2. The novel heat dissipation cast aluminum rotor of a new energy automobile as claimed in claim 1, wherein the annular inclined plane is provided with a plurality of fan blades, and the fan blades are uniformly distributed along the circumferential direction of the annular inclined plane.
3. The novel heat dissipation cast aluminum rotor of the new energy automobile as claimed in claim 2, wherein a reinforcement is connected between the fan blades, and the reinforcement connects the fan blades and the cast aluminum rotor.
4. The novel heat dissipation cast aluminum rotor of the new energy automobile as claimed in claim 3, wherein the reinforcement is an annular plate, the annular plate is disposed on the end face of the iron core or the annular inclined surface, the outer wall of the annular plate is connected to the fan blades, and the annular plate is provided with ventilation openings.
5. The novel heat dissipation cast aluminum rotor of a new energy automobile as claimed in claim 3, wherein the reinforcing member is a connecting rib, and the connecting rib is disposed between adjacent fan blades.
6. The novel heat dissipation cast aluminum rotor of a new energy automobile as claimed in claim 2, wherein the fan blades of the inner wall of the aluminum ring are connected to one side of the bottom of the annular inclined plane and are arranged close to the direction of the inner iron core of the annular inclined plane, the other side of the inner wall of the aluminum ring is arranged close to the direction of the outer edge of the annular inclined plane, and the size of the bottom of the fan blades close to the inner side of the annular inclined plane is larger than the size of the other side of the bottom of the fan blades.
7. The novel heat dissipation cast aluminum rotor of the new energy automobile as claimed in claim 5, wherein the connecting ribs are arranged in the middle of the fan blades, and the connecting ribs radially separate the fan blades.
8. The novel heat dissipation cast aluminum rotor of a new energy automobile as claimed in claim 7, wherein the connecting ribs are arranged obliquely, and a plurality of groups of connecting ribs are arranged between adjacent fan blades.
9. The novel heat dissipation cast aluminum rotor of the new energy automobile as claimed in claim 2, wherein the fan blades are triangular, spiral, and threaded.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111248201.XA CN113965016A (en) | 2021-10-26 | 2021-10-26 | Novel heat dissipation cast aluminum rotor of new energy automobile |
| PCT/CN2022/070552 WO2023070945A1 (en) | 2021-10-26 | 2022-01-06 | Novel heat-dissipation cast aluminum rotor of new energy vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111248201.XA CN113965016A (en) | 2021-10-26 | 2021-10-26 | Novel heat dissipation cast aluminum rotor of new energy automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113965016A true CN113965016A (en) | 2022-01-21 |
Family
ID=79467099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111248201.XA Withdrawn CN113965016A (en) | 2021-10-26 | 2021-10-26 | Novel heat dissipation cast aluminum rotor of new energy automobile |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113965016A (en) |
| WO (1) | WO2023070945A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204906039U (en) * | 2015-07-10 | 2015-12-23 | 李爽 | Cast aluminium rotor structure |
| JP2017022902A (en) * | 2015-07-13 | 2017-01-26 | 株式会社豊田自動織機 | Rotor of induction machine and manufacturing method of rotor of induction machine |
| CN207573116U (en) * | 2017-12-20 | 2018-07-03 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor, motor and compressor |
| CN207926301U (en) * | 2018-02-01 | 2018-09-28 | 常州恒益电机有限公司 | A kind of cast-aluminum rotor |
| CN109599973B (en) * | 2019-01-30 | 2024-04-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor and compressor motor |
| CN113964988A (en) * | 2021-10-26 | 2022-01-21 | 山东博源精密机械有限公司 | New energy automobile high heat dissipation cast aluminum rotor |
-
2021
- 2021-10-26 CN CN202111248201.XA patent/CN113965016A/en not_active Withdrawn
-
2022
- 2022-01-06 WO PCT/CN2022/070552 patent/WO2023070945A1/en unknown
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| Publication number | Publication date |
|---|---|
| WO2023070945A1 (en) | 2023-05-04 |
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Application publication date: 20220121 |
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