CN104348279B - Rotor and there is its motor - Google Patents
Rotor and there is its motor Download PDFInfo
- Publication number
- CN104348279B CN104348279B CN201410566977.XA CN201410566977A CN104348279B CN 104348279 B CN104348279 B CN 104348279B CN 201410566977 A CN201410566977 A CN 201410566977A CN 104348279 B CN104348279 B CN 104348279B
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- CN
- China
- Prior art keywords
- iron core
- fixed
- magnetic shoe
- side wall
- plane
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Classifications
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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
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
-
- 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
- H02K1/27—Rotor cores with permanent magnets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a kind of rotor and there is its motor.Rotor includes：Iron core, multiple magnetic shoes and two balance rings, iron core are interior provided with multiple holding tanks for running through iron core in the axial direction.Multiple magnetic shoes are located in multiple holding tanks correspondingly respectively, and fixed space is provided between the side wall of at least one end and the side wall of holding tank of each magnetic shoe.Two balance rings are respectively provided on two ends of iron core, the end face towards iron core of at least one balance ring is provided with multiple fixed lobes, each fixed lobe is extend into corresponding fixed space, and each fixed lobe is in close contact with the side wall of the respective end of corresponding magnetic shoe.Rotor according to embodiments of the present invention so that the positioning of each magnetic shoe is reliably accurate, simple to operate.The part end plate or injection molding material in traditional magnetic shoe fixed form can be reduced, has saved cost, and larger gap need not be set between magnetic shoe and holding tank, reduces the volume of rotor.
Description
Technical field
The present invention relates to Qu Donglingyu, more particularly, to a kind of rotor and has its motor.
Background technology
Motor embedded rotor in correlation technique fixes magnetic shoe using injection and end plate mode more.Consolidated using injection molding manner
Determine magnetic shoe to have as a drawback that：1st, due to the requirement of Shooting Technique, the gap of magnetic shoe and iron core needs bigger, causes whole turn
The rotor structure of son is bigger, and then causes the structure of whole motor bigger, i.e. the cost increase of parts.2nd, technique is multiple
It is miscellaneous, it is necessary to put into injection machine and manpower and can not line production.
Had as a drawback that using end plate fixed form：1st, in high-speed electric expreess locomotive, tip plate configurations are not enough to provide sufficiently large
Frictional force overcome the centrifugal force of magnetic shoe, i.e., can not meet the requirement for fixing magnetic shoe.2nd, need to be fabricated separately end plate
Part.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.
Therefore, the present invention proposes a kind of rotor, the positioning of magnetic shoe it is reliable it is accurate, saved cost.
The invention also provides a kind of motor with above-mentioned rotor.
Rotor according to embodiments of the present invention, including：Iron core, the iron core is interior to run through institute in the axial direction provided with multiple
State the holding tank of iron core；Multiple magnetic shoes, the multiple magnetic shoe are located in the multiple holding tank correspondingly respectively, Mei Gesuo
State and fixed space is provided between the side wall of at least one end of magnetic shoe and the side wall of the holding tank；Two balance rings, it is described
Two balance rings are respectively provided on two ends of the iron core, the end face of the direction iron core of at least one balance ring
Multiple fixed lobes are provided with, each fixed lobe is extend into the corresponding fixed space, and each fixation is convex
Rise and be in close contact with the side wall of the respective end of the corresponding magnetic shoe.
Rotor according to embodiments of the present invention so that the positioning of each magnetic shoe is reliably accurate, simple to operate.Biography can be reduced
Part end plate or injection molding material in magnetic shoe fixed form of uniting, have saved cost, and between magnetic shoe and holding tank without set compared with
Big gap, reduce the volume of rotor.
Preferably, face contacts between each fixed lobe and the corresponding magnetic shoe.
Specifically, each fixed lobe is provided with the first inclined-plane, each magnetic shoe provided with it is described first oblique
The second inclined-plane that face coordinates, first inclined-plane and the second contact of incline plane.
In some embodiments of the invention, the side wall at the center of the neighbouring iron core of each holding tank is provided with
For accommodating the mating groove of the corresponding fixed lobe.
Further, at least one side wall of each mating groove is formed as the first plane, each fixed lobe
Including the second plane coordinated with least one first plane face.
Specifically, it is provided with the fixation between the side wall of each end and the side wall of the holding tank of each magnetic shoe
Space, each balance ring are provided with multiple fixed lobes, the multiple fixed lobe in each balance ring
It extend into correspondingly respectively in multiple fixed spaces.
According to some specific embodiments of the present invention, the direction iron core of the balance ring provided with the fixed lobe
End face be provided with multiple grooves, multiple fixed lobes are located in the multiple groove correspondingly respectively.
According to some embodiments of the present invention, each balance ring is provided with positioning convex, the iron core provided with
The locating slot that the positioning convex coordinates.
Further, each balance ring is provided with two positioning convex of radial symmetric.
Motor according to embodiments of the present invention, including rotor according to the above embodiment of the present invention.
Motor according to embodiments of the present invention, by provided with above-mentioned rotor, the small volume of rotor, avoiding motor because turning
The volume of son increases and causes the volume increase of motor complete machine, simultaneously because reduce part end plate or injection molding material, so as to
To reduce the cost of motor.
Brief description of the drawings
Fig. 1 is the decomposing schematic representation according to the rotor of the embodiment of the present invention；
Fig. 2 is the schematic perspective view according to the rotor of the embodiment of the present invention；
Fig. 3 is the fragmentary cross-sectional view according to the rotor of the embodiment of the present invention；
Fig. 4 is according to the iron core and the decomposing schematic representation of balance ring in the rotor of the embodiment of the present invention provided with magnetic shoe；
Fig. 5 is the schematic diagram according to the magnetic shoe of the embodiment of the present invention；
Fig. 6 is the enlarged diagram of part A in Fig. 4；
Fig. 7 is the enlarged diagram of part B in Fig. 4.
Reference：
Rotor 100,
Iron core 1, holding tank 10, mating groove 11, the first plane 12, locating slot 13, centre bore 14,
Magnetic shoe 2, the second inclined-plane 20,
Balance ring 3, groove 30, positioning convex 31,
Fixed lobe 4, the first inclined-plane 40, the second plane 41,
Output shaft 5, fixture 6.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Below with reference to
The embodiment of accompanying drawing description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect or can communicate each other；Can be joined directly together, can also be indirectly connected by intermediary, can be with
It is connection or the interaction relationship of two elements of two element internals, is limited unless otherwise clear and definite.For this area
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Rotor 100 according to embodiments of the present invention is described in detail below with reference to Fig. 1-Fig. 7, the rotor 100 can be with stator
Coordinate to be assembled into motor.
As Figure 1-Figure 4, rotor 100 according to embodiments of the present invention, including：Iron core 1, multiple magnetic shoes 2 and two are flat
Weigh ring 3, wherein, provided with multiple holding tanks 10 for running through iron core 1 in the axial direction in iron core 1.A pair of multiple magnetic shoes 2 difference 1
Should ground be located in multiple holding tanks 10, each magnetic shoe 2 is arranged on corresponding holding tank 10 it is interior after, each magnetic shoe 2 it is each
End face can be slightly below the corresponding end-faces of iron core 1, and the side wall and the side wall of holding tank 10 of at least one end of each magnetic shoe 2
Between be provided with fixed space.
In Fig. 3 and Fig. 4 preferred exemplary, in radial directions, the center of the neighbouring iron core 1 of the end of each magnetic shoe 2
Side wall and holding tank 10 neighbouring iron core 1 center side wall between be provided with fixed space.
Two balance rings 3 are respectively provided on two ends of iron core 1, the end face towards iron core 1 of at least one balance ring 3
Be provided with multiple fixed lobes 4, each fixed lobe 4 is extend into corresponding fixed space, each fixed lobe 4 with it is corresponding
The side wall of the respective end of magnetic shoe 2 is in close contact.Preferably, each fixed lobe 4 is also tight with the side wall of corresponding holding tank 10
Contiguity is touched.
That is, by convex provided with multiple fixed lobes 4, the side wall of at least one end of each magnetic shoe 2 and fixation
Play 4 to be in close contact, in short, each magnetic shoe 2 is interference fitted with least one fixed lobe 4.So as to which each magnetic shoe 2 is determined
Position is in corresponding holding tank 10.
Need to illustrate, when each magnetic shoe 2 only coordinates with fixed lobe 4, multiple magnetic shoes 2 with fixation
The end that projection 4 coordinates, which can be located at the same side, can also be located at not homonymy.In a particular embodiment of the present invention, each magnetic shoe
Fixed space is provided between the side wall of 2 each end and the side wall of holding tank 10, it is convex that each balance ring 3 is provided with multiple fixations
4 are played, multiple fixed lobes 4 in each balance ring 3 are extend into multiple fixed spaces correspondingly respectively, in short, often
Individual magnetic shoe 2 is interference fitted with two fixed lobes 4.
When installing rotor 100, multiple magnetic shoes 2 are respectively installed in multiple holding tanks 10 first, it is then flat by two
Weighing apparatus ring 3 is separately fixed on two ends of iron core 1, and make it that each magnetic shoe 2 is with least one fixed lobe 4 interference fit
Can.
Rotor 100 according to embodiments of the present invention, by provided with multiple fixed lobes 4, each magnetic shoe 2 with it is at least one solid
Fixed projection 4 is in close contact to realize the purpose being fixed on each magnetic shoe 2 in corresponding holding tank 10, so that each magnetic shoe
2 positioning is reliably accurate.Simultaneously because balance ring 3 need to be only placed on the end face of iron core 1 during operation, thus operate letter
It is single.Again due to fixed lobe 4 be arranged on balance ring 3 towards on the end face of iron core 1, so as to reduce traditional magnetic shoe fixation side
Part end plate or injection molding material in formula, have saved cost, and larger gap need not be set between magnetic shoe 2 and holding tank 10,
Reduce the volume of rotor 100.
The rotor 100 according to the specific embodiment of the invention is described in detail below with reference to Fig. 1-Fig. 7.
As Figure 1-Figure 4, rotor 100 according to embodiments of the present invention, including：2, two iron core 1, multiple magnetic shoes balances
Ring 3 and output shaft 5.The centre bore 14 for assembling output shaft 5 is limited in iron core 1,5 turns of output shaft is driven when iron core 1 rotates
It is dynamic.Multiple holding tanks 10 are additionally provided with iron core 1, each holding tank 10 runs through iron core 1, Duo Gerong on the axial direction of iron core 1
Groove 10 of receiving is centrally located the outside in hole 14.
Each magnetic shoe 2 is separately mounted in corresponding holding tank 10.In iron core 1 in the radial direction, the end of each magnetic shoe 2
Fixed space is limited between the side wall at the center of the side wall at the center of the neighbouring iron core 1 in portion and the neighbouring iron core 1 of holding tank 10.
As shown in figure 4, each magnetic shoe 2 is formed as rectangular shape, between four side walls of each magnetic shoe 2 and two end faces
Respectively by chamfered transition, the chamfering at the center of the neighbouring iron core 1 of each end of each magnetic shoe 2 and the side wall of holding tank 10 it
Between limit fixed space.So as to reduce the volume of rotor 100.
Two balance rings 3 are separately fixed on two ends of iron core 1, wherein each balance ring 3 by fixture 6 for example
Rivet is fixed on iron core 1.The end face towards iron core 1 of each balance ring 3 is provided with multiple fixed lobes 4.Multiple fixations are convex
Rise 4 shape it is identical, consequently facilitating the shaping of multiple fixed lobes 4.Alternatively, each balance ring 3 and corresponding multiple fixations
Projection 4 is formed in one part.
The number of fixed lobe 4 in each balance ring 3 is identical with the number of magnetic shoe 2, and each fixed lobe 4 extend into phase
It is in close contact in the fixed space answered and with magnetic shoe 2.
Face contacts between each fixed lobe 4 and corresponding magnetic shoe 2.So as to improve the fixation of each magnetic shoe 2
Property.Each fixed lobe 4 is provided with the first inclined-plane 40, and each magnetic shoe 2 is provided with the second inclined-plane 20 coordinated with the first inclined-plane 40,
First inclined-plane 40 and the second inclined-plane 20 contact, wherein the first inclined-plane 40 is the chamfering at the center of the neighbouring iron core 1 of magnetic shoe 2, from
And realize that the face between fixed lobe 4 and magnetic shoe 2 contacts by the contact between the first inclined-plane 40 and the second inclined-plane 20 so that Gu
Fixed projection 4 and the structure of magnetic shoe 2 are simple.
As shown in Figure 4 and Figure 6, the side wall at the center of the neighbouring iron core 1 of each holding tank 10, which is provided with, is used to accommodate accordingly
Fixed lobe 4 mating groove 11.So as to by the way that a part for fixed lobe 4 is limited into mating groove 11 provided with mating groove 11
It is interior, it can further improve the fix tightly solidity of magnetic shoe 2.
As shown in Figure 6 and Figure 7, three side walls of each mating groove 11 are respectively formed as the first plane 12, each fix convex
Playing 4 includes three the second planes 41 for corresponding ground cooperation with three the first planes 12 respectively.In other words, each fix convex
Playing 4 includes three the second planes 41, and three the second planes 41 correspond ground with three the first planes 12 respectively and coordinated.So as to
Coordinated by the face between the first plane 12 and the second plane 41, can further improve the fix tightly solidity of magnetic shoe 2.On wherein
" the face cooperation " stated is referred to contact between the first plane 12 and the second plane 41 and can not also contacted.Preferably, first
Face contacts between the plane 41 of plane 12 and second.
Need to illustrate, the number not limited to this of the first plane 12 and the second plane 41, the first plane 12 may be used also
Think one or two, the number of the second plane 41 is identical with the number of the first plane 12.That is, each mating groove 11
At least one side wall is formed as the first plane 12, and each fixed lobe 4 includes the coordinated with least one face of first plane 12
Two planes 41.
As shown in figure 4, the end face towards iron core 1 of each balance ring 3 is provided with multiple grooves 30, in each balance ring 3
Multiple fixed lobes 4 be located at correspondingly respectively in multiple grooves 30.That is, each fixed lobe 4 is located at one
In groove 30.It is therefore to be understood that only the balance ring 3 provided with fixed lobe 4 towards needing to set on the end face of iron core 1
There are multiple grooves 30.
As shown in Figure 3 and Figure 4, each balance ring 3 is provided with positioning convex 31, and iron core 1 is provided with matches somebody with somebody with positioning convex 31
The locating slot 13 of conjunction.So as to pass through the assembling of positioning convex 31 and locating slot 13, it is possible to achieve the location and installation of balance ring 3, just
It is fixed in by balance ring 3 on iron core 1.
As shown in figure 4, each balance ring 3 is provided with two positioning convex 31 of radial symmetric, each shape of positioning convex 31
As cylindrical shape.
Rotor 100 according to embodiments of the present invention, it is fitted close using fixed lobe 4 and magnetic shoe 2 and realizes fixed magnetic shoe 2
Purpose, have the following advantages that：1st, fixed lobe 4 is the increased feature in balance ring 3, with traditional magnetic shoe fixed form phase
Than, it is possible to reduce part end plate or injection molding material.2nd, due to using interference fit, thus position it is reliable, accurate.3rd, operate
When balance ring 3 need to be only placed on the end face of iron core 1, it is thus simple to operate.
Motor according to embodiments of the present invention, including rotor according to the above embodiment of the present invention 100.
Motor according to embodiments of the present invention, by provided with above-mentioned rotor 100, the small volume of rotor 100, avoiding electricity
Machine make it that the volume of motor complete machine increases because the volume of rotor 100 increases, simultaneously because reducing part end plate or injection
Material, so as to reduce the cost of motor.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (10)
- A kind of 1. rotor, it is characterised in that including：Iron core, the iron core are interior provided with multiple holding tanks for running through the iron core in the axial direction；Multiple magnetic shoes, the multiple magnetic shoe are located in multiple holding tanks correspondingly respectively, and each magnetic shoe is extremely Fixed space is provided between the side wall of a few end and the side wall of the holding tank；Two balance rings, described two balance rings are respectively provided on two ends of the iron core, at least one balance ring The end face of the direction iron core be provided with multiple fixed lobes, each fixed lobe extend into corresponding described fixed empty In, each fixed lobe is in close contact with the side wall of the respective end of the corresponding magnetic shoe.
- 2. rotor according to claim 1, it is characterised in that each between the fixed lobe and the corresponding magnetic shoe Face contacts.
- 3. rotor according to claim 2, it is characterised in that each fixed lobe is provided with the first inclined-plane, each The magnetic shoe is provided with the second inclined-plane coordinated with first inclined-plane, first inclined-plane and the second contact of incline plane.
- 4. rotor according to claim 1, it is characterised in that the center of the neighbouring iron core of each holding tank Side wall is provided with the mating groove for being used for accommodating the corresponding fixed lobe.
- 5. rotor according to claim 4, it is characterised in that at least one side wall of each mating groove is formed as the One plane, each fixed lobe include the second plane coordinated with least one first plane face.
- 6. rotor according to claim 1, it is characterised in that the side wall and the appearance of each end of each magnetic shoe Receive and be provided with the fixed space between the side wall of groove, each balance ring is provided with multiple fixed lobes, it is each described in The multiple fixed lobe in balance ring is extend into multiple fixed spaces correspondingly respectively.
- 7. rotor according to claim 1, it is characterised in that the balance ring provided with the fixed lobe towards institute The end face for stating iron core is provided with multiple grooves, and multiple fixed lobes are located in the multiple groove correspondingly respectively.
- 8. rotor according to claim 1, it is characterised in that each balance ring is provided with positioning convex, the iron Core is provided with the locating slot coordinated with the positioning convex.
- 9. rotor according to claim 8, it is characterised in that each balance ring is provided with two institutes of radial symmetric State positioning convex.
- 10. a kind of motor, it is characterised in that including the rotor according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410566977.XA CN104348279B (en) | 2014-10-22 | 2014-10-22 | Rotor and there is its motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410566977.XA CN104348279B (en) | 2014-10-22 | 2014-10-22 | Rotor and there is its motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104348279A CN104348279A (en) | 2015-02-11 |
| CN104348279B true CN104348279B (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410566977.XA Active CN104348279B (en) | 2014-10-22 | 2014-10-22 | Rotor and there is its motor |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787303B (en) * | 2016-12-23 | 2024-01-05 | 威灵（芜湖）电机制造有限公司 | Rotor assembly and direct current motor with same |
| US11757327B2 (en) | 2018-01-31 | 2023-09-12 | Minebea Mitsumi Inc. | Rotor, motor, and method for manufacturing rotor |
| JP6935342B2 (en) * | 2018-01-31 | 2021-09-15 | ミネベアミツミ株式会社 | How to manufacture rotors, motors and rotors |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102684340A (en) * | 2012-05-23 | 2012-09-19 | 佛山市威灵洗涤电机制造有限公司 | Permanent-magnet rotor with embedded magnetic steels |
| CN203135610U (en) * | 2013-03-22 | 2013-08-14 | 东昌电机(深圳)有限公司 | Brushless electric machine |
| CN204205763U (en) * | 2014-10-22 | 2015-03-11 | 广东威灵电机制造有限公司 | Rotor and there is its motor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5955451B2 (en) * | 2013-02-19 | 2016-07-20 | 三菱電機株式会社 | Embedded magnet type rotor, embedded magnet type rotating electrical machine, and manufacturing method of embedded magnet type rotor |
-
2014
- 2014-10-22 CN CN201410566977.XA patent/CN104348279B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102684340A (en) * | 2012-05-23 | 2012-09-19 | 佛山市威灵洗涤电机制造有限公司 | Permanent-magnet rotor with embedded magnetic steels |
| CN203135610U (en) * | 2013-03-22 | 2013-08-14 | 东昌电机(深圳)有限公司 | Brushless electric machine |
| CN204205763U (en) * | 2014-10-22 | 2015-03-11 | 广东威灵电机制造有限公司 | Rotor and there is its motor |
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| Publication number | Publication date |
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| CN104348279A (en) | 2015-02-11 |
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