CN204633494U - Rotor and the compressor with this rotor of external rotor electric machine - Google Patents
Rotor and the compressor with this rotor of external rotor electric machine Download PDFInfo
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- CN204633494U CN204633494U CN201520344083.6U CN201520344083U CN204633494U CN 204633494 U CN204633494 U CN 204633494U CN 201520344083 U CN201520344083 U CN 201520344083U CN 204633494 U CN204633494 U CN 204633494U
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- electric machine
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Abstract
The utility model discloses a kind of rotor of external rotor electric machine and have the compressor of this rotor, described rotor comprises: chassis, and chassis is provided with the central opening for mounted motor axle; Cylinder ring, the periphery that cylinder ring is located at chassis upwards extends along upper and along chassis axis, and cylinder ring and chassis are formed as one part; Multiple permanent magnet, the circumference on the internal perisporium that multiple permanent magnet is located at cylinder ring and along cylinder ring is spaced apart.Rotor according to external rotor electric machine of the present utility model manufactures more convenient, and structural strength is higher and cost is lower.
Description
Technical field
The utility model relates to Compressor Technology field, more specifically, relates to a kind of rotor of external rotor electric machine and has the compressor of this rotor.
Background technology
External rotor electric machine is used in such as hermetically encapsulated coolant compressor, and be such as contained in domestic refrigerator or air-conditioning system, such coolant compressor must possess little component height, so that can reach minimum to utilizing may limiting of refrigeration space.In this connection, use and possess advantage with external rotor electric machine as drive motors, because this motor has less component height compared with the drive motors of built-in rotor.
But no matter adopt built-in rotor or the motor of external-rotor-type as the drive motors of coolant compressor, motor in the running all can produce power loss.The mechanical loss that the magnetic loss that in the thermal loss that the heating in winding that this energy loss mainly includes motor brings, iron core, alternating magnetic field produces and rotor cause when rotating.
External rotor electric machine compares built-in rotor motor, and the thermal loss of winding and the magnetic loss of iron core can accomplish equal level, but the root diameter of external rotor electric machine is much larger compared with built-in rotor, and it brings larger mechanical loss.Because add this part loss, make the performance of external rotor electric machine cannot reach the same level of built-in rotor, the structure of external rotor electric machine haves much room for improvement.In addition, the manufacture process of rotor is relatively loaded down with trivial details, needs further improvement.
Utility model content
The application makes the discovery of the following fact and problem and understanding based on utility model people:
Consider that external rotor electric machine has larger mechanical loss than built-in rotor motor, it is that such motor reaches high performance key point that the rotor therefore how designing external rotor electric machine makes it possess less mechanical loss.The utility model people of the application thinks that the weight of external rotor electric machine rotor is larger on mechanical loss impact, especially when it is applied in coolant compressor, motor is installed by vertical mode, rotor is in " playing " or the state of " support ", compressor rotating shaft needs the total weight born from rotor, and thus the mechanical loss impact of weight on compressor assembly of rotor becomes more obvious.
In view of this, the application considers from the angle of Unit Weight Driving Torque, adopts the ferrite permanent magnet of low remanent magnetism low cost, in conjunction with the structural design of external rotor electric machine.Ensure that motor exports enough large torque on the one hand as much as possible, make again the rotor of motor enough light on the other hand, thus significantly reduce the mechanical loss brought when motor rotates, make external rotor electric machine when component height is significantly less than built-in rotor motor, reach the performance level suitable with built-in rotor motor.
Meanwhile, the application also improves the structure of rotor, makes the manufacture of rotor convenient.
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the utility model proposes a kind of rotor of external rotor electric machine, the rotor of described external rotor electric machine is easily manufactured and cost is lower.
The utility model also proposed a kind of compressor with above-mentioned external rotor electric machine.
According to the rotor of external rotor electric machine of the present utility model, comprising: chassis, described chassis is provided with the central opening for mounted motor axle; Cylinder ring, the periphery that described cylinder ring is located at described chassis upwards extends along upper and along described chassis axis, and described cylinder ring and described chassis are formed as one part; Multiple permanent magnet, the circumference on the internal perisporium that multiple permanent magnet is located at described cylinder ring and along described cylinder ring is spaced apart.
According to the rotor of external rotor electric machine of the present utility model, manufacture more convenient, structural strength is higher and cost is lower.
In addition, following additional technical characteristic can also be had according to the rotor of external rotor electric machine of the present utility model:
According to an embodiment of the present utility model, described chassis and described cylinder ring are integrated the steel part that punching press is formed, multiple described permanent magnet is formed as ferrite permanent magnet respectively.
According to an embodiment of the present utility model, the thickness of described steel part is 0.5mm-3.0mm.
According to an embodiment of the present utility model, the junction of described chassis and described cylinder ring is provided with the annular table terrace inwardly stretched out, and multiple described permanent magnet is located on described annular table terrace.
According to an embodiment of the present utility model, also comprise multiple fixture, each described fixture is located between two adjacent permanent magnets respectively, and multiple described permanent magnet is fixed on described cylinder ring respectively by multiple described fixture.
According to an embodiment of the present utility model, each described fixture is formed as elastic component respectively.
According to an embodiment of the present utility model, multiple described permanent magnet is bonding with the madial wall of described cylinder ring and annular table terrace respectively.
According to an embodiment of the present utility model, described chassis comprises base plate and annular slab, described central opening is located on described base plate, the lower end of described annular slab is connected with the edge, periphery of described base plate and upper end is connected with the edge, periphery of described cylinder ring, and the radial dimension of described annular slab is increasing on the direction of cylinder ring gradually from base plate.
According to an embodiment of the present utility model, described base plate is provided with multiple lightening hole.
According to an embodiment of the present utility model, the madial wall of each described permanent magnet is formed as arc respectively.
According to compressor of the present utility model, comprise the rotor according to external rotor electric machine of the present utility model.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of the rotor of external rotor electric machine according to the utility model embodiment;
Fig. 2 is the decomposition texture schematic diagram of the rotor of external rotor electric machine according to the utility model embodiment;
Fig. 3 is the graph of a relation between the thickness of the rotor of external rotor electric machine according to the utility model embodiment and Driving Torque;
Fig. 4 is the structural representation of frock A;
Fig. 5 uses frock A to assemble the schematic diagram of permanent magnet according to the rotor of the external rotor electric machine of the utility model embodiment;
Fig. 6 is the structural representation of frock B;
Fig. 7 uses frock B to assemble the schematic diagram of permanent magnet according to the rotor of the external rotor electric machine of the utility model embodiment.
Reference numeral:
Rotor 100;
Chassis 10; Base plate 11; Annular slab 12; Central opening 101; Lightening hole 102;
Cylinder ring 20;
Permanent magnet 30; Outer cutting portion 31; Interior cutting portion 32;
Annular table terrace 40.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
The rotor 100 according to the external rotor electric machine of the utility model embodiment is described in detail below in conjunction with accompanying drawing.
Shown in Fig. 7, comprise chassis 10, cylinder ring 20 and multiple permanent magnet 30 according to the rotor 100 of the external rotor electric machine of the utility model embodiment.
Chassis 10 is provided with the central opening 101 for mounted motor axle.The periphery that cylinder ring 20 is located at chassis 10 upwards extends along upper and along chassis 10 axis.Cylinder ring 20 and chassis 10 are formed as one part.Circumference on the internal perisporium that multiple permanent magnet 30 is located at cylinder ring 20 and along cylinder ring 20 is spaced apart, and multiple permanent magnet 30 is formed as ferrite permanent magnet 30 respectively.
According to the rotor 100 of the external rotor electric machine of the utility model embodiment, cylinder ring 20 and chassis 10 are formed as one part, and make the manufacture of rotor 100 more convenient, structural strength is higher and cost is lower.
Specifically, as depicted in figs. 1 and 2, rotor 100 comprises cylinder ring 20, chassis 10 and multiple permanent magnet 30, and each permanent magnet 30 can be formed as ring plate shape respectively.Cylinder ring 20 is connected to the chassis 10 of the central opening 101 had for mounted motor axle, and chassis 10 is formed on the axial front of one end of cylinder ring 20.Cylinder ring 20 defines one end and is closed by chassis 10, the shape of other end opening, makes whole rotor 100 present roughly bowl-shape shape.
Wherein, cylinder ring 20 and the integrally manufactured formation in chassis 10, and individually create compared with the structure that links together again by cylinder ring and chassis in correlation technique, and the structure be integrally formed manufactures more convenient, structural stability and intensity is higher and cost is lower.
Rotor 100 is when High Rotation Speed, and the permanent magnet 30 of multiple ring plate shape, because of the effect being subject to rotor 100 centrifugal force, the movement of circumferencial direction along the madial wall of rotor 100 and axial direction can occur, and obviously cannot ensure that permanent magnet 30 works safely and reliably like this.Multiple permanent magnet 30 is located on the madial wall of cylinder ring 20, can effectively addresses this problem.
According to specific embodiments more of the present utility model, chassis 10 and cylinder ring 20 are integrated the steel part that punching press is formed.Namely cylinder ring 20 and chassis 10 can be shaping by monoblock steel plate integrated punching.This kind shaping structures is convenient, cost is low, intensity is high and rotor 100 dependable performance.Multiple permanent magnet 30 is formed as ferrite, can reduce costs further.
Due to the low remanent magnetism of ferrite and coercive force is lower, for ensureing that permanent magnet 30 has good resistance to demagnetization capability, permanent magnet 30 need choose enough thickness, adds the weight of rotor 100 so undoubtedly.And the mechanical loss impact of the weight of rotor 100 on motor is larger.When rotor 100 when rotated, the weight of rotor 100 is the weight sum on multiple permanent magnet 30, cylinder ring 20 and chassis 10.Therefore, for effectively reducing the mechanical loss that rotor 100 causes, the weight of rotor 100 need be reduced.Specifically, the weight being integrally formed part that reduction cylinder ring 20 is formed with chassis 10 is namely needed.
The utility model people of the application tests this steel part of different-thickness and motor output torque, and concrete data as shown in Figure 3.At this, temporarily motor output torque is defined as 100% when the thickness of steel part is 3.5mm.The thickness of steel part is by 3.5mm, and along with the reduction gradually of thickness, the magnetic flux between the madial wall of the cylinder ring 20 of rotor 100 and lateral wall is more tending towards saturated, and the Driving Torque of motor presents progressively downward trend.When the thickness of steel part is 2mm, reduce about 43% compared with steel part thickness during 3.5mm, motor output torque declines 5.3%.
Under the thickness of steel part declines comparatively obvious situation (about 43%), motor output torque declines less (about 5.3%).That is, the thickness of steel part is that the motor of 2.0mm can export larger Unit Weight torque.Which thereby enhance motor output torque density, reduce the mechanical loss of motor.Wherein, utility model people at the thickness of steel part lower than in the scope of 3.5mm, the Driving Torque of motor is tested, research draws, when the thickness T of steel part is in the scope of 0.5mm-3.0mm, when namely chassis 10 is 0.5mm-3.0mm with the thickness of cylinder ring 20, can either ensure that motor exports enough large torque as much as possible, make again the weight of rotor 100 enough light, thus effectively lower the mechanical loss of motor, the motor of high-efficiency and low-cost can be obtained.
Such as, in a concrete example of invention, the thickness T of steel part is set to 2mm.The comparatively large and rotor 100 of this kind of motor output torque lightweight, the mechanical loss of motor is little.
As shown in Figure 2, according to embodiments more of the present utility model, chassis 10 is provided with the junction of cylinder ring 20 the annular table terrace 40 inwardly stretched out, and the internal diameter of the inner edge of annular table terrace 40 is less than the internal diameter of the internal perisporium of cylinder ring 20.Multiple permanent magnet 30 is located on annular table terrace 40.Thus, multi-disc permanent magnet 30 can be fixed better in rotor 100, convenient fixing and reliable.Its concrete mode is: the lateral surface of multiple permanent magnet 30 abuts against on the madial wall of cylinder ring 20, and the lower surface of multiple permanent magnet 30 leans against on annular table terrace 40.
In addition, in order to further multiple permanent magnet 30 is located on rotor 100 securely.According to embodiments more of the present utility model, rotor 100 also comprises multiple fixture, and each fixture is located between two adjacent permanent magnets 30 respectively, that is, is provided with fixture between any two adjacent permanent magnets 30.Multiple fixture can carry out spacing to multiple permanent magnet 30 in circumference and radial direction, and multiple permanent magnet 30 can be fixed on cylinder ring 20.Namely kept putting in place by permanent magnet 30 by the stressed realization of the entirety between multiple fixture and multiple permanent magnet 30, multiple permanent magnet 30 is connected to an entirety and is firmly fixed on cylinder ring 20.
Preferably, each fixture is formed as elastic component respectively, and resilient member deforms is good, is easier to be arranged between two adjacent permanent magnets 30, and elastic component can apply elastic force, to permanent magnet 30 good fixing effect to adjacent two permanent magnets 30.In practical set process, permanent magnet 30 can keep putting in place by supporting installation by fixture.
Alternatively, in other embodiments of the present utility model, multiple permanent magnet 30 is bonding with the madial wall of cylinder ring 20 and annular table terrace 40 respectively.Specifically, the lateral surface of each permanent magnet 30 is bonding with the madial wall of cylinder ring 20 to be connected, and the lower surface of each permanent magnet 30 is bonding with annular table terrace 40 is simultaneously connected.Thus, multiple permanent magnet 30 also can realize firmly assembling.Meanwhile, in this kind of structure, can space be formed between any two adjacent permanent magnets 30, further mitigate rotor 100 weight, reduce the mechanical loss of motor.
As depicted in figs. 1 and 2, chassis 10 comprises base plate 11 and annular slab 12, central opening 101 is located on base plate 11, the upper end of annular slab 12 and the periphery of base plate 11 are along being connected, the lower end of annular slab 12 and the periphery of cylinder ring 20 are along being connected, and the radial dimension of annular slab 12 is increasing on the direction of cylinder ring 20 gradually from base plate 11.That is, the radius of curvature of the outer peripheral face on chassis 10 along with leave cylinder ring 20 distance increase and diminish gradually and form closed bottom surface, i.e. base plate 11, the radius of curvature Ф 1 of base plate 11 is less than the radius of curvature Ф 2 of the lateral wall of cylinder ring 20.Thus, the weight of rotor 100 can be reduced further.
Shown in Fig. 2, base plate 11 is provided with multiple lightening hole 102.Thus, the weight of rotor 100 can be alleviated further.Wherein, multiple lightening hole 102 can axial through chassis 10, also can not through chassis 10.Preferably, each lightening hole 102 is through chassis 10 all axially, to alleviate the weight of rotor 100 to a greater degree, improves heat dispersion simultaneously.As shown in Figure 1, multiple lightening hole 102 can be arranged on base plate 11, to ensure the stationarity that rotor 100 operates along the circumference on chassis 10 is spaced apart uniformly.
Below in conjunction with Fig. 4 to Fig. 7, the manufacturing process of the rotor 100 according to the utility model embodiment is described in detail.Specifically, in frock A or frock B can be adopted to be fixed on by multiple permanent magnet 30 structure that cylinder ring 20 and chassis 10 form.
As shown in Figure 4 and Figure 5, frock A comprises locating core A1, support portion A2 and location division A3.Support portion is connected between locating core A1 and location division A3.When adopting fixture fixed permanent magnet 30, frock A can be used to operate as assembly tool.
First, the structure formed when cylinder ring 20 and chassis 10 can be located in frock A.Now, the locating core of frock A inserts in the central opening 101 of rotor 100, and the lower surface of the support portion of frock A is close on the base plate 11 of rotor 1001.Location division A3 is roughly hollow cylindrical, and its periphery radius of curvature is slightly less than the radius of curvature of the internal perisporium of permanent magnet 30, and the madial wall of each permanent magnet 30 is formed as arc respectively.
Thus, each permanent magnet 30 all can appropriate insertion by being unlikely to loosen very much in the space formed between the location division A3 of frock A and the internal perisporium of rotor 100.Multiple permanent magnet 30 can move freely along the circumference of rotor 100 in above-mentioned space, inserts fixture in the space that then can be formed between each permanent magnet 30.Fixture can only be against between two adjacent permanent magnets 30, thus makes together with multiple permanent magnet 30 can be connected to multiple fixture.Frock A can be departed from from rotor 100 afterwards, permanent magnet 30 is just firmly accurately arranged on the internal perisporium of rotor 100.
As shown in Figure 5, one end towards adjacent permanent magnet 30 of each permanent magnet 30 is provided with outer cutting portion 31, and the two ends of the madial wall of the central axis towards rotor 100 of each permanent magnet 30 are respectively equipped with interior cutting portion 32, and interior cutting portion 32 is adjacent with outer cutting portion 31.Between two interior cutting portions 32 of the both sides difference buckle two adjacent permanent magnets 30 of each fixture and between two outer cutting portions 31, multiple permanent magnet 30 can along the circumference of rotor 100 and radial being locked, mutually stressed and form an entirety securely between multiple permanent magnet 30 and multiple retaining element, fixed effect is high.
As shown in Figure 6 and Figure 7, frock B also comprises locating core B1, support portion B2 and location division B3.Support portion is connected between locating core and location division.When adopting bonding way fixed permanent magnet 30, frock B can be used to operate as assembly tool.
When the structure formed when cylinder ring 20 and chassis 10 is located in frock B, locating core B1 can insert in the central opening 1014 of rotor 100, and the lower surface of the support portion B2 of frock B is close on the base plate 11 of rotor 100.Location division B3 has the multiple pawls extended radially outward, and the outer end of each pawl is formed as pointed shape structure, namely has two crossing inclined-planes, and two inclined-planes can withstand on the outer cutting portion 31 of two adjacent permanent magnets 30 respectively.Two adjacent like this inclined-planes and the madial wall of rotor 100 define the space of fixing multiple permanent magnet 30.After bonding complete multi-disc permanent magnet 30, frock B can depart from from rotor 100, and permanent magnet 30 is just firmly accurately arranged on the madial wall of rotor 100.
When adhesive permanent magnetism body 30, High-strength glue can be smeared (certainly on the internal perisporium of cylinder ring 20 and annular table terrace 40, also first High-strength glue can be smeared on the lateral wall and lower surface of multiple permanent magnet 30), then multiple permanent magnet 30 is pasted onto on the madial wall of rotor 100 piecewise.Wherein, when bonding, pawl on the B3 of location division can only be against on permanent magnet 30, makes the lower surface of multiple permanent magnet 30 can together with annular table terrace 40 strong bond, and the lateral wall of multiple permanent magnet 30 also can together with the madial wall strong bond of cylinder ring 20.
The rotor 100 according to the external rotor electric machine of the utility model embodiment is comprised according to the compressor of the utility model embodiment.Owing to there is above-mentioned useful technique effect according to the rotor 100 of the utility model embodiment, therefore possess function admirable, volume is little, cost is low advantage according to the compressor of the utility model embodiment.
To form according to other of the compressor of the utility model embodiment and rotor 100 and operation is known for the person of ordinary skill of the art, be not described in detail at this.
In description of the present utility model, it will be appreciated that, term " " center ", " width ", " on ", D score, " front ", " afterwards ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (11)
1. a rotor for external rotor electric machine, is characterized in that, comprising:
Chassis, described chassis is provided with the central opening for mounted motor axle;
Cylinder ring, the periphery that described cylinder ring is located at described chassis upwards extends along upper and along described chassis axis, and described cylinder ring and described chassis are formed as one part;
Multiple permanent magnet, the circumference on the internal perisporium that multiple permanent magnet is located at described cylinder ring and along described cylinder ring is spaced apart.
2. the rotor of external rotor electric machine according to claim 1, is characterized in that, described chassis and described cylinder ring are integrated the steel part that punching press is formed, and multiple described permanent magnet is formed as ferrite permanent magnet respectively.
3. the rotor of external rotor electric machine according to claim 2, is characterized in that, the thickness of described steel part is 0.5mm-3.0mm.
4. the rotor of external rotor electric machine according to claim 1, is characterized in that, the junction of described chassis and described cylinder ring is provided with the annular table terrace inwardly stretched out, and multiple described permanent magnet is located on described annular table terrace.
5. the rotor of external rotor electric machine according to claim 4, it is characterized in that, also comprise multiple fixture, each described fixture is located between two adjacent permanent magnets respectively, and multiple described permanent magnet is fixed on described cylinder ring by multiple described fixture.
6. the rotor of external rotor electric machine according to claim 5, is characterized in that, each described fixture is formed as elastic component respectively.
7. the rotor of external rotor electric machine according to claim 4, is characterized in that, multiple described permanent magnet is bonding with the madial wall of described cylinder ring and annular table terrace respectively.
8. the rotor of external rotor electric machine according to claim 1, it is characterized in that, described chassis comprises base plate and annular slab, described central opening is located on described base plate, the lower end of described annular slab is connected with the edge, periphery of described base plate and upper end is connected with the edge, periphery of described cylinder ring, and the radial dimension of described annular slab is increasing on the direction of cylinder ring gradually from base plate.
9. the rotor of external rotor electric machine according to claim 8, is characterized in that, described base plate is provided with multiple lightening hole.
10. the rotor of the external rotor electric machine according to any one of claim 1-9, is characterized in that, the madial wall of each described permanent magnet is formed as arc respectively.
11. 1 kinds of compressors, is characterized in that, comprise the rotor of the external rotor electric machine according to any one of claim 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520344083.6U CN204633494U (en) | 2015-05-25 | 2015-05-25 | Rotor and the compressor with this rotor of external rotor electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520344083.6U CN204633494U (en) | 2015-05-25 | 2015-05-25 | Rotor and the compressor with this rotor of external rotor electric machine |
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| Publication Number | Publication Date |
|---|---|
| CN204633494U true CN204633494U (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520344083.6U Active CN204633494U (en) | 2015-05-25 | 2015-05-25 | Rotor and the compressor with this rotor of external rotor electric machine |
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| CN (1) | CN204633494U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630821A (en) * | 2017-09-29 | 2018-01-26 | 广东威灵电机制造有限公司 | Electronic water pump |
| CN109995158A (en) * | 2018-01-03 | 2019-07-09 | 财团法人工业技术研究院 | Outer rotor-type motor and its assemble method |
| CN112467908A (en) * | 2020-11-30 | 2021-03-09 | 安徽美芝精密制造有限公司 | Rotor punching sheet, rotor, motor, compressor and refrigeration equipment |
-
2015
- 2015-05-25 CN CN201520344083.6U patent/CN204633494U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630821A (en) * | 2017-09-29 | 2018-01-26 | 广东威灵电机制造有限公司 | Electronic water pump |
| CN109995158A (en) * | 2018-01-03 | 2019-07-09 | 财团法人工业技术研究院 | Outer rotor-type motor and its assemble method |
| CN112467908A (en) * | 2020-11-30 | 2021-03-09 | 安徽美芝精密制造有限公司 | Rotor punching sheet, rotor, motor, compressor and refrigeration equipment |
| CN112467908B (en) * | 2020-11-30 | 2021-10-22 | 安徽美芝精密制造有限公司 | Rotor punching sheet, rotor, motor, compressor and refrigeration equipment |
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