CN206575252U - The rotor and brushless electric machine of brushless electric machine - Google Patents
The rotor and brushless electric machine of brushless electric machine Download PDFInfo
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- CN206575252U CN206575252U CN201720317596.7U CN201720317596U CN206575252U CN 206575252 U CN206575252 U CN 206575252U CN 201720317596 U CN201720317596 U CN 201720317596U CN 206575252 U CN206575252 U CN 206575252U
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- punching
- rotor
- electric machine
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Abstract
The utility model is related to a kind of rotor of brushless electric machine, including：Rotor core (100,100 ') and armature spindle, it is internal that the armature spindle is arranged on the rotor core (100,100 ').The rotor core (100,100 ') the first punching sheet unit and the second punching sheet unit are at least included, wherein, first punching sheet unit includes at least one first punching (2,2 '), and the second punching sheet unit includes at least one second punching (3,3 '), first punching (2,2 ') and second punching (3,3 ') have different bridge architectural features.It is stable that the rotor for the brushless electric machine that the utility model is provided has the advantages that inner magnet path loss consumes small, mechanical structure.The utility model further relates to a kind of brushless electric machine including foregoing rotor.
Description
Technical field
The utility model is related to machine field, more particularly to brushless electric machine rotor and brushless electric machine.
Background technology
In brushless electric machine field, there are a kind of rotor design, referred to as built-in permanent magnet, it is actually that magnet is arranged on
The inside of rotor structure, this structure can not only reduce the diameter of rotor, it is often more important that have magnet accumulating cap, add air gap
Magnetic flux density, is conducive to the weak magnetic of motor to control.
The rotor design of existing built-in permanent magnet, with following problem：1) the inside magnetic circuit of interior permanent magnets has
Loss so that effective magnet torque and reluctance torque can become considerably less, and performance is decreased obviously；2) built-in permanent magnet is installed
Afterwards, in the case where rotor rotates at a high speed, due to the effect of centrifugal force, it may appear that the unstable situation of the mechanical mechanism of rotor.
Utility model content
The purpose of this utility model is the rotor design for providing a kind of brushless electric machine and the nothing comprising the rotor design
Brush motor, the inner magnet path loss having to solve the brushless electric machine and its rotor of foregoing built-in permanent magnet consumes excessive and machinery
At least one of structural instability problem.
Therefore, basic conception of the present utility model is to provide a kind of rotor core design for including two kinds of different punchings.
According to the utility model first aspect there is provided a kind of rotor of brushless electric machine, including：Rotor core；And armature spindle,
The armature spindle is arranged on inside the rotor core；Wherein, the rotor core at least includes the first punching sheet unit and the second punching
Blade unit, wherein, the first punching sheet unit includes at least one first punching, and the second punching sheet unit includes at least one second punching
Piece, first punching and second punching have different bridge architectural features.
Advantageously, first punching and second punching have different internal bridge structures, the internal bridge respectively
Structure is in the inside for being radially located at rotor core of rotor core.
Preferably, the first punching has the internal bridge structure of at least one circumferentially continuous arrangement along rotor core.
Preferably, the internal bridge structure of the first punching is diametrically arranged on the solidfied material filling hole of rotor core with being used for
Between the central shaft hole for installing armature spindle.It is highly preferred that the first punching includes the internal bridge structure of multiple arcs, the multiple arc
The internal bridge structure of shape connects along the circumferential ring of rotor core, so as to generally form circle.
Additionally or alternatively, the second punching has the internal bridge that at least one circumference along rotor core is discontinuously arranged
Structure.
Preferably, the internal bridge structure setting of the second punching installs rotor in the solidfied material filling hole of rotor core with being used for
The radial outside of both central shaft holes of axle.It is highly preferred that the second punching includes the internal bridge structure of multiple arcs, it is the multiple
Circumferential intermittent of the internal bridge structure of arc along rotor core and be evenly distributed.
Preferably, axial direction of each first punching sheet unit with each second punching sheet unit along rotor core replaces superposition ground cloth
Put.
Preferably, each first punching sheet unit is made up of two the first punchings, and each second punching sheet unit is by two second
Punching is constituted.
Alternatively, or in addition, the both of which in the first punching and the second punching includes outside bridge structure, or the first punching
Only one in piece and the second punching includes outside bridge structure, and the peripheral configurations of the first punching and another one in the second punching into
Do not connected between the segmental arc form separated, adjacent segmental arc by outside bridge structure, wherein, outside bridge structure is in rotor iron
Core radially positioned at rotor core outer rim at.
Preferably, each outside bridge structure bridges the punching section of its circumferential both sides respectively, wherein, each outside bridge structure
Circumference it is radially-inwardly recessed relative to the circumference of each punching section.
Preferably, the circumferential perimeter of rotor core is provided with groove, circumference two of the groove close to each punching section
Side and parallel to the axially extending of rotor core, in order in the periphery by being stamped and formed out outside bridge structure and punching section
Positioning during profile.
Usually, rotor core may include at least one magnet mounting hole, axle of the magnet mounting hole along rotor core
To extension, at least one magnet is installed in corresponding magnet mounting hole and fixed by Shooting Technique.Advantageously, in the note
Mould after technique, the different internal bridge structure can cause the effect of the power on different directions, so as to be conducive in rotor
The fixation of portion's each several part.Thus, it is possible to further enhance rotor mechanical structure reliability in high-speed rotation.
Preferably, using engineering plastics or plastic cement and solidify it in the Shooting Technique.
According to second aspect of the present utility model there is provided a kind of brushless electric machine, it may include stator, end cap, spring bearing
And electrical connector, wherein, the brushless electric machine may also include foregoing rotor.
Compared with prior art, the rotor for the brushless electric machine that the utility model is provided and the motor comprising the rotor have interior
Portion's magnetic circuit loss is small, the advantage that mechanical structure is stable, and can further enhancing rotor, mechanical structure can in high-speed rotation
By property, additionally it is possible to substantially reduce the in-fighting of magnetic flux, so as to greatly improve motor performance and reduce cost.
Brief description of the drawings
Describe preferred embodiment of the present utility model in detail with reference to the accompanying drawings, wherein：
Fig. 1 is the schematic isometric of the rotor core of the brushless electric motor rotor according to one preferred embodiment of the utility model
Figure；
Fig. 2 a and Fig. 2 b are the top views of two kinds of punchings in rotor core shown in Fig. 1；
Fig. 3 is the schematic perspective view of the component formed after rotor core shown in Fig. 1 is assembled with magnet；
Fig. 4 a are the schematic perspective views of punching shown in Fig. 2 b；
Fig. 4 b are the schematic partial enlarged views of punching shown in Fig. 4 a；
Fig. 5 is rotor core shown in Fig. 1 and the schematic explosive view of plastics or plastic cement embedding and magnet in the pre-assembly；
Fig. 6 is the schematic perspective view of the rotor assembly of the composition of each several part shown in Fig. 5；
Fig. 7 is the schematic isometric of the rotor core of the brushless electric motor rotor according to another preferred embodiment of the present invention
Figure；And；
Fig. 8 a and Fig. 8 b are the top views of two kinds of punchings in rotor core shown in Fig. 7.
Embodiment
Describe below with reference to accompanying drawings and by preferred embodiment brushless electric machine described in the utility model rotor and
Brushless electric machine comprising the rotor.
The rotor of typical brushless electric machine may include tubular rotor core 100,100 ' (as illustrated in figures 1 and 7) and
Armature spindle (not shown), and armature spindle is arranged on the inside of rotor core 100,100 ', specifically installed in rotor core 100,
In 100 ' central shaft hole 4,4 ', to cause rotor core 100,100 ' together to be rotated with rotor driven axle.Rotor core
100,100 ' material is preferably silicon steel.
Fig. 1 to 4b shows the rotor core 100 of the brushless electric motor rotor according to one preferred embodiment of the utility model.
The rotor core 100 includes the first punching sheet unit and the second punching sheet unit.First punching sheet unit includes at least one first punching,
Second punching sheet unit includes at least one second punching.Ground will be described in detail in following article, and the first punching and the second punching have
Different bridge architectural features.
Fig. 2 a and Fig. 2 b respectively illustrate the first punching 2 and the second punching according to one preferred embodiment of the utility model
3.As shown in Figure 2 a and 2 b, in the preferred embodiment, the first punching 2 and the second punching 3 can have different inside respectively
Bridge structure 21 and 31, the internal bridge structure 21,31 is in the inside for being radially located at rotor core 100 of rotor core 100.
Specifically, as shown in Figure 2 a, the first punching 2 can be with least one circumferentially continuous cloth along rotor core 100
The internal bridge structure 21 put.The internal bridge structure 21 is diametrically arranged on the solidfied material filling hole 22 of rotor core 100 with using
Between the central shaft hole 4 of armature spindle is installed.Solidfied material filling hole 22 can be with two magnets installation positioned at its circumferential both sides
Hole 6 is connected.
Preferably, the first punching 2 may include the internal bridge structure 21 of multiple arcs, the internal bridge structure of the multiple arc
21 can connect along the circumferential ring of rotor core 100, so as to generally form circle.
As shown in Figure 2 b, the inside that the second punching 3 can discontinuously be arranged with least one circumference along rotor core 100
Bridge structure 31.Installed with being used in armature spindle in the solidfied material filling hole 32 that the internal bridge structure 31 is arranged on rotor core 100
Both radial outsides of arbor hole 4.Similarly, solidfied material filling hole 32 also can be with two magnets peace positioned at its circumferential both sides
Dress hole 6 is connected.
Preferably, the second punching 3 may include the internal bridge structure 31 of multiple arcs, the internal bridge structure of the multiple arc
31 along rotor core 100 circumferential intermittent and be evenly distributed.
As shown in figures 2 a and 2b, the first punching 2 and the second punching 3 can include outside bridge structure 25 and 35 respectively.Outside bridge
Structure 25,35 is radially located at the outer rim of rotor core 100 rotor core 100.Each outside bridge structure 25,35 is distinguished
Bridge the punching section 27,37 of its circumferential both sides.Advantageously, the circumference of each outside bridge structure 25,35 is relative to each
The circumference of individual punching section 27,37 is radially-inwardly recessed.This causes outside bridge structure 25,35 further to attenuate, so as to enter
One step reduces leakage field and improves motor performance.
Preferably, groove 5 can be provided with the circumferential perimeter of rotor core 100.Groove 5 can close to each punching section 27,
37 circumferential both sides and parallel to the axially extending of rotor core 100, in order to by being stamped and formed out outside bridge structure 25,
35 and punching section 27,37 circumference when positioning.Therefore the design of groove improves the difficulty of the processing of reduction and carries
High production yield rate.
Preferably, each first punching sheet unit being made up of the first punching 2 and each second punching being made up of the second punching 3
Blade unit alternately can be arranged to superposition along the axial direction of rotor core 100.It is highly preferred that each first punching sheet unit is by two first
Punching 2 is constituted, and each second punching sheet unit is made up of two the second punchings 3.That is, in the axial direction of rotor core 100
Continuous two the first punchings 2 are alternately arranged with continuous two the second punchings 3.It will be understood by those skilled in the art that each punching
Electromagnetic performance and the balance of mechanical performance that the punching quantity of unit can be according to the thickness of single punching and in view of rotor
Depending on, for example can be one, two, three or more.
It is connected to each other between each punching 2 and/or 3 by riveting point 23 and 33 (referring to Fig. 2 a and 2b).
Typically, rotor core 100 includes at least one magnet mounting hole 6 (referring to Fig. 1).The usual edge of magnet mounting hole 6
Rotor core 100 it is axially extending.As shown in Figure 3 and Figure 5, at least one magnet 200 is mountable to corresponding magnet mounting hole 6
In and fixed by Shooting Technique.Magnet mounting hole 6 can be along rotor core 100 it is axially extending, with approximate rectangle
Cross section elongated hole, and the longitudinal asymmetric axis of its approximate rectangular cross section is located substantially on rotor core 100
In the radial direction.Multiple magnet mounting holes 6 are preferably provided with, the multiple magnet mounting hole 6 is preferably along the week of rotor core 100
To uniform.Magnet 200 is preferably permanent magnet, and its shape matches with magnet mounting hole 6.This magnet 200 is in rotor core 100
In radial direction it is built-in design, the reluctance torque added can be provided for rotor, while realizing weak magnetic control.
Preferably, engineering plastics or plastic cement can be used in Shooting Technique and solidify it, so as to utilize plastics or plastic cement
Component that the embedding of embedding thing 300 is made up of rotor core 100 and magnet 200 simultaneously forms rotor assembly 400 (referring to Fig. 5 and Fig. 6).
The effect of solidfied material is：Invalid inside magnetic circuit consumption can be not only reduced, and enhances rotor in high-speed rotation
In mechanical structure reliability.
After Shooting Technique, different internal bridge structures 21,31 can cause the effect of the power on different directions, so that
Be conducive to the fixation of internal rotor each several part.It is reliable thus, it is possible to further enhance rotor mechanical structure in high-speed rotation
Property.
Fig. 7 to Fig. 8 b shows the rotor core of the brushless electric motor rotor according to the utility model another preferred embodiment
100’.Embodiment shown in Fig. 7 to Fig. 8 b can have with according to Fig. 1 to Fig. 4 b illustrated embodiment identical technical characteristics, in order to
It for the sake of simplicity, will not be repeated here for these identical technical characteristics, both differences only described below.Rotor core
In 100 ' each technical characteristic, single quotation marks is filled with identical numeral again with the corresponding technical characteristic of rotor core 100 and carried out
Mark.
As shown in figs. 8 a and 8b, only one (such as first punching 2 ') includes outside in the first punching 2 ' and the second punching 3 '
Bridge structure 25 ', and the peripheral configurations of another one (such as the second punching 3 ') are opened at interval in the first punching 2 ' and the second punching 3 '
Segmental arc (36 ') form.Here, do not connected between adjacent segmental arc (36 ') by outside bridge structure, but with gap
38 ' are spaced apart.Thereby, it is possible to further substantially reduce invalid inside magnetic circuit consumption, and then greatly improve motor performance.
Similar, it is connected to each other between each punching 2 ' and/or 3 ' by riveting point 23 ' and 33 '.
Those skilled in the art are it is contemplated that each technology of the Fig. 1 being already mentioned above into embodiment illustrated in fig. 6 is special
Levying can arbitrarily, reasonably combine with each technical characteristic in Fig. 7 to Fig. 8 b illustrated embodiments.
In addition, according to one preferred embodiment of the utility model, brushless electric machine may include stator, end cap, spring bearing and
Electrical connector, and also include according to foregoing rotor.
Industrial applicibility
Compared with prior art, the rotor for the brushless electric machine that the utility model is provided and the motor comprising the rotor have interior
Portion's magnetic circuit loss is small, the advantage that mechanical structure is stable.Specifically, because rotor core of the present utility model includes variety classes
Punching sheet unit, wherein, the punching for constituting different punching sheet units is different, and is then rushed inside each punching sheet unit by identical
Piece is constituted, and different types of punching has different inner and/or outer bridge architectural features each other, and each punching sheet unit is alternately superimposed
And riveting forms rotor core.Because rotor core can be by inserting with different internal bridge structures, therefore in rotor core
Enter magnet and poured into gap after molten plastic or plastic cement, the encapsulated layer of formation can be due to embedded and alternatively distributed different internal
Bridge structure causes pulling force effect and is firmly fixed in the opposite direction, and its principle is similar to the reinforcing bar in reinforced concrete structure
Role.So as to substantially increase the ability of rotor centrifugal force resistant at high speeds, while the mechanical strength of rotor is enhanced,
Therefore the mechanical performance under high speed conditions is further increased.Further, since rotor core can have different outsides
Bridge architectural feature, for example, including the punching sheet unit being made up of such punching, the punching according to rotor core of the present utility model
Each punching section outward flange between separated rather than be connected to each other by outside bridge structure with gap so that rotor
The periphery of iron core forms " window ", it is thus possible to greatly reduce invalid inside magnetic circuit consumption, so as to significantly improve motor performance
And reduce cost.
Although the utility model is disclosed as above with preferred embodiment, the utility model is not limited to this.Any
Art personnel, are not departing from the various combinations made in spirit and scope of the present utility model, change and modification, all should receive
Enter in protection domain of the present utility model, thus protection domain of the present utility model should using claim limited range as
It is accurate.
Claims (17)
1. a kind of rotor of brushless electric machine, including：
Rotor core (100,100 ')；With
Armature spindle, it is internal that the armature spindle is arranged on the rotor core (100,100 ')；
Characterized in that,
The rotor core (100,100 ') at least includes the first punching sheet unit and the second punching sheet unit, wherein, the first punching list
Member includes at least one first punching (2,2 '), and the second punching sheet unit includes at least one second punching (3,3 '), described first
Punching (2,2 ') and second punching (3,3 ') have different bridge architectural features.
2. the rotor of brushless electric machine according to claim 1, it is characterised in that first punching (2,2 ') and described
Two punchings (3,3 ') have a different internal bridge structures (21,31,21 ', 31 ') respectively, the internal bridge structure (21,31,21 ',
31 ') in the inside for being radially located at rotor core (100,100 ') of rotor core (100,100 ').
3. the rotor of brushless electric machine according to claim 2, it is characterised in that the first punching (2,2 ') has at least one
Along the internal bridge structure (21,21 ') of the circumferentially continuous arrangement of rotor core (100,100 ').
4. the rotor of brushless electric machine according to claim 3, it is characterised in that the internal bridge structure of the first punching (2,2 ')
(21,21 ') are diametrically arranged on solidfied material filling hole (22,22 ') of rotor core (100,100 ') and install rotor with being used for
Between the central shaft hole (4) of axle.
5. the rotor of brushless electric machine according to claim 4, it is characterised in that the first punching (2,2 ') includes multiple arcs
Internal bridge structure (21,21 '), the week of the internal bridge structure (21,21 ') of the multiple arc along rotor core (100,100 ')
Connect to ring, so as to generally form circle.
6. the rotor of brushless electric machine according to claim 2, it is characterised in that the second punching (3,3 ') has at least one
The internal bridge structure (31,31 ') discontinuously arranged along the circumference of rotor core (100,100 ').
7. the rotor of brushless electric machine according to claim 6, it is characterised in that the internal bridge structure of the second punching (3,3 ')
(31,31 ') are arranged on solidfied material filling hole (32,32 ') of rotor core (100,100 ') and the center for installing armature spindle
The radial outside of both axis holes (4).
8. the rotor of brushless electric machine according to claim 6, it is characterised in that the second punching (3,3 ') includes multiple arcs
Internal bridge structure (31,31 '), the week of the internal bridge structure (31,31 ') of the multiple arc along rotor core (100,100 ')
To discontinuously and being evenly distributed.
9. the rotor of the brushless electric machine according to claim 2 or 6, it is characterised in that each first punching sheet unit and each
Axial direction of second punching sheet unit along rotor core (100,100 ') is alternately arranged on superposition ground.
10. the rotor of brushless electric machine according to claim 9, it is characterised in that each first punching sheet unit is by two
One punching (2,2 ') is constituted, and each second punching sheet unit is made up of two the second punchings (3,3 ').
11. the rotor of the brushless electric machine according to claim 1,2 or 6, it is characterised in that
Both of which in first punching (2) and the second punching (3) includes outside bridge structure (25,35), or
Only one in first punching (2 ') and the second punching (3 ') includes outside bridge structure (25 '), and the first punching (2 ') and the
Do not pass through between the segmental arc form that the peripheral configurations of another one are opened at interval in two punchings (3 '), adjacent segmental arc (36 ')
Outside bridge structure connection, wherein, outside bridge structure (25,35,25 ') is radially located at rotor rotor core (100,100 ')
At the outer rim of iron core (100,100 ').
12. the rotor of brushless electric machine according to claim 11, it is characterised in that each outside bridge structure (25,35,
25 ') the punching section (27,37,27 ') of its circumferential both sides is bridged respectively, wherein, each outside bridge structure (25,35,25 ')
Circumference is radially-inwardly recessed relative to the circumference of each punching section (27,37,27 ').
13. the rotor of brushless electric machine according to claim 11, it is characterised in that the periphery of rotor core (100,100 ')
Periphery is provided with groove (5), and the groove (5) is close to the circumferential both sides of each punching section (27,37,27 ', 37 ') and puts down
Row in the axially extending of rotor core (100,100 '), in order to by be stamped and formed out outside bridge structure (25,35,25 ') and
The positioning during circumference of punching section (27,37,27 ', 37 ').
14. the rotor of the brushless electric machine according to claim 2 or 6, it is characterised in that rotor core (100,100 ') includes
At least one magnet mounting hole (6,6 '), the magnet mounting hole (6,6 ') along the axially extending of rotor core (100,100 '),
At least one magnet (200) is installed in corresponding magnet mounting hole (6,6 ') and fixed by Shooting Technique.
15. the rotor of brushless electric machine according to claim 14, it is characterised in that described after the Shooting Technique
Different internal bridge structures can cause the effect of the power on different directions, so as to be conducive to the fixation of internal rotor each several part.
16. the rotor of brushless electric machine according to claim 14, it is characterised in that engineering is used in the Shooting Technique
Plastics or plastic cement simultaneously solidify it.
17. a kind of brushless electric machine, including stator, end cap, spring bearing and electrical connector, it is characterised in that the brushless electricity
Machine also includes the rotor according to any one of claim 1 to 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720317596.7U CN206575252U (en) | 2017-03-29 | 2017-03-29 | The rotor and brushless electric machine of brushless electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720317596.7U CN206575252U (en) | 2017-03-29 | 2017-03-29 | The rotor and brushless electric machine of brushless electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206575252U true CN206575252U (en) | 2017-10-20 |
Family
ID=60053980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720317596.7U Active CN206575252U (en) | 2017-03-29 | 2017-03-29 | The rotor and brushless electric machine of brushless electric machine |
Country Status (1)
| Country | Link |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994699A (en) * | 2017-11-23 | 2018-05-04 | 东南大学 | A kind of rotor structure for improving permanent magnet of permanent magnet motor and resisting irreversible degaussing ability |
| CN108631469A (en) * | 2018-05-29 | 2018-10-09 | 广东威灵电机制造有限公司 | Rotor and motor with it |
| CN108667173A (en) * | 2017-03-29 | 2018-10-16 | 大陆汽车电子(芜湖)有限公司 | The rotor and brushless motor of brushless motor |
| CN110620451A (en) * | 2018-06-20 | 2019-12-27 | 广东美芝制冷设备有限公司 | Rotor, motor and compressor |
| CN110620452A (en) * | 2018-06-20 | 2019-12-27 | 广东美芝制冷设备有限公司 | Rotor, motor and compressor |
| CN113141073A (en) * | 2021-04-13 | 2021-07-20 | 沈阳工业大学 | Rotor punching sheet of slurry generator |
| US12021414B2 (en) | 2018-06-20 | 2024-06-25 | Guangdong Meizhi Compressor Co., Ltd. | Rotor, electric motor and compressor |
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2017
- 2017-03-29 CN CN201720317596.7U patent/CN206575252U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108667173A (en) * | 2017-03-29 | 2018-10-16 | 大陆汽车电子(芜湖)有限公司 | The rotor and brushless motor of brushless motor |
| CN108667173B (en) * | 2017-03-29 | 2024-07-05 | 纬湃汽车电子(芜湖)有限公司 | Brushless motor rotor and brushless motor |
| CN107994699A (en) * | 2017-11-23 | 2018-05-04 | 东南大学 | A kind of rotor structure for improving permanent magnet of permanent magnet motor and resisting irreversible degaussing ability |
| CN108631469A (en) * | 2018-05-29 | 2018-10-09 | 广东威灵电机制造有限公司 | Rotor and motor with it |
| CN110620451A (en) * | 2018-06-20 | 2019-12-27 | 广东美芝制冷设备有限公司 | Rotor, motor and compressor |
| CN110620452A (en) * | 2018-06-20 | 2019-12-27 | 广东美芝制冷设备有限公司 | Rotor, motor and compressor |
| CN110620451B (en) * | 2018-06-20 | 2024-06-21 | 广东美芝制冷设备有限公司 | Rotor, motor and compressor |
| US12021414B2 (en) | 2018-06-20 | 2024-06-25 | Guangdong Meizhi Compressor Co., Ltd. | Rotor, electric motor and compressor |
| CN113141073A (en) * | 2021-04-13 | 2021-07-20 | 沈阳工业大学 | Rotor punching sheet of slurry generator |
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| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder | ||
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Address after: 241009 Anhui city of Wuhu Province Silver Lake Economic and Technological Development Zone No. 27 North Road Patentee after: WeiPai automotive electronics (Wuhu) Co., Ltd Address before: 241009 Anhui city of Wuhu Province Silver Lake Economic and Technological Development Zone No. 27 North Road Patentee before: Continental automotive electronics (Wuhu) Co., Ltd |