CN106612025A - Rotor and method for manufacturing same - Google Patents
Rotor and method for manufacturing same Download PDFInfo
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- CN106612025A CN106612025A CN201510707789.9A CN201510707789A CN106612025A CN 106612025 A CN106612025 A CN 106612025A CN 201510707789 A CN201510707789 A CN 201510707789A CN 106612025 A CN106612025 A CN 106612025A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 230000005291 magnetic effect Effects 0.000 claims abstract description 124
- 230000004907 flux Effects 0.000 claims abstract description 103
- 229910052729 chemical element Inorganic materials 0.000 claims description 150
- 239000000463 material Substances 0.000 description 12
- 238000005452 bending Methods 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 210000000529 third trochanter Anatomy 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 2
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- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
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- 238000009826 distribution Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
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Classifications
-
- 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
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
-
- 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
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
- H02K1/246—Variable reluctance rotors
Abstract
The invention relates to a rotor and a method for manufacturing the same. A rotor (100) of an electric motor (102) comprises a rotor shaft hole (103), first fan-shaped component parts (106), and second fan-shaped component parts (108). The first fan-shaped component parts and the second fan-shaped component parts are alternately distributed around a rotation axis (104) of the rotor (100). The distance from the outer contour of the second fan-shaped component parts (108) to the rotation axis (104) is shorter than that from the outer contour of the first fan-shaped component parts (106) to the rotation axis (104). When observed along the direction of the rotation axis (104), the second fan-shaped component parts (108) overlap the first fan-shaped component parts (106) of other rotor elements (102). The rotor (100) comprises magnetic flux guide pieces (150, 150', 152, 154, 154', 156, 158) which are configured to extend and pass through the rotor (100) between the rotor shaft hole (103) and the periphery of the protruding part of the rotor (100) when observed along the direction of the rotation axis (104).
Description
Technical field
The present invention relates to rotor, the particularly rotor of electro-motor, and its manufacture method.
Background technology
In one of current modal rotor structure, magnet is installed on the surface of rotor.
This simple structure and easy to manufacture.However, surface magnet is not well-protected, and
And especially at high speed, it is difficult to they are stilled remain on rotor surface.By inciting somebody to action
Cover magnet preferably to protect magnet during magnet is inserted into rotor surface or with pole shoe.Continue
This development, is embedded in can magnet.Compared with being arranged on the surface of rotor with magnet,
Magnet is better protected in rotor.
Create one of most simple and most useful method of embedded type magnet and synchronous magnetic resistance motor
It is using single-piece rotor sheet, wherein some magnetic bridges of structural member are left in cutting process.Magnetic
Bridge and then supporting structure, but regrettably support bridge causes the electrical property of rotor to deteriorate, this
It is because that bridge serves as leakage path.Therefore, the part in the magnetic field for being produced by magnet is lost,
Need more magnetic materials.There is demand to high-speed applications, but big centrifugal force and
Pcrmeability problem on different rotor direction causes the challenge in durability and use.Cause
, there is improved demand in this.
The content of the invention
The present invention attempts to provide a kind of improvement.According to an aspect of the invention, there is provided such as
A kind of rotor of defined in claim 1.
According to a further aspect in the invention, there is provided a kind of rotor in claim 15.
According to a further aspect in the invention, there is provided a kind of manufacture method in claim 16.
The embodiment for being subordinated to independent claims is disclosed in the dependent claims.
The present invention has advantage.There is rotor simple salient pole to design and rigid and simple
Structure.Rotor also has high salient pole ratio and low friction loss because of rotor airgap shape.Magnetic flux
Guide member is used for the magnetic flux inside guided rotor, and the mechanical strength without making rotor is compromised.
In addition, the risk of the Hazard ratio prior art demagnetization of magnetic flux guide member demagnetization is low.
Description of the drawings
With reference to the accompanying drawings only by example come describe the present invention illustrative embodiments,
In accompanying drawing：
Fig. 1 shows the example of the rotor elements of quadrupole rotor；
Fig. 2A shows the example of the stack of quadrupole rotor；
Fig. 2 B show the quadrupole rotor observed on the direction of the rotation axiss of rotor
The example of stack；
Fig. 3 shows the example of the two poles of the earth rotor elements with prominent element；
Fig. 4 shows the example of the two poles of the earth rotor including the rotor elements with prominent element；
Fig. 5 shows the quadrupole rotor elements with rectangular corners in sector ele-ment part
Example；
Fig. 6 A show that the two poles of the earth with wavy outline turn in the second sector ele-ment part
The example of subcomponent；
Fig. 6 B show the example of the two poles of the earth rotor of the rotor elements with Fig. 6 A；
Fig. 7 is shown and is turned using camber line as the two poles of the earth of outline in the second sector ele-ment part
The example of subcomponent；
Fig. 8 is shown in sector ele-ment part with rectangular corners for the two poles of the earth motors
The example of the two poles of the earth rotor elements；
Fig. 9 shows the example of the two poles of the earth rotor elements with big element outwardly；
Figure 10 shows the example of the quadrupole rotor with permanent magnet；
Figure 11 A show the example of the quadrupole rotor of the permanent magnet with different order；
Figure 11 B show the example of the quadrupole rotor with spiral magnetic flux guide member；
Figure 12 shows the example of a quadrupole rotor for having two pairs of permanent magnets；
Figure 13 shows the different examples of a quadrupole rotor for having two pairs of permanent magnets；
Figure 14 shows the example of the quadrupole rotor with bullport；
Figure 15 shows that each has the example of the quadrupole rotor of three magnetic flux guide members；
Figure 16 shows the example of the two poles of the earth rotor with two magnetic flux guide members；
Figure 17 A show the example of the quadrupole rotor with four magnetic flux guide members, each magnetic
Logical guide member reaches two rotor sections；
Figure 17 B show the example of the quadrupole rotor with four magnetic flux guide members, each magnetic
Logical guide member is only located in a rotor sections；
Figure 18 shows the example of the quadrupole rotor of the magnetic flux guide member with two pairs of bendings；
Figure 19 shows the example of the quadrupole rotor of the magnetic flux guide member with four pairs of bendings；
Figure 20 shows the example of the distribution of the magnetic field line being associated with quadrupole rotor；
Figure 21 shows the example of six pole rotor；And
Figure 22 shows the example of the flow chart of the manufacture method of rotor.
Specific embodiment
Following embodiments are merely illustrative.Although this specification may be related to " one at some places
It is individual " embodiment, but this does not necessarily mean that,
Do not mean that this feature is only applicable to single embodiment yet.The single spy of different embodiments
Levy and can also be combined to provide other embodiment.Additionally, word " including " and " bag
Containing " be appreciated that
Those features are constituted, and these embodiments can also include the spy not specifically mentioned
Levy/structure.
It should be pointed out that although accompanying drawing shows various embodiments, which is only to illustrate
The sketch of some planforms.It is obvious to the skilled person that
In addition to structure and shape described by accompanying drawing and text, described device can also be wrapped
Include other structures and shape.It should be appreciated that for some structures for operating and/or controlling
It is unrelated with actual invention with the details of shape.Therefore, they need not be more detailed herein
Ground is discussed.
Of the rotor 100 with multiple rotor elements 102 is studied using Fig. 1 to Fig. 9
One example.Then, show with least one magnetic flux guide member in Figure 10 to Figure 19
Rotor example.
Fig. 1 shows the example of the rotor elements 102 of the quadrupole rotor 100 of electro-motor,
And Fig. 2A and Fig. 2 B show the example of the stack 1000 of quadrupole rotor 100.Figure
1st, Fig. 2A and Fig. 2 B are used in following explanation, and after necessary amendment is made in the explanation
Suitable for the electro-motor of any number of poles.In fig. 2, in rotor sections 110 to each other
The pole of rotor 100 is represented every 90 ° of solid lines.Fig. 2 B show the rotary shaft in rotor 100
The stack 1000 of the rotor 100 that the side of line 104 looks up.
Electro-motor is the device for converting electric energy to mechanical energy.Electro-motor may, for example, be
Magnetic resistance motor, but not limited to this.The axis 104 of magnetic resistance motor rotates and its rotation is based on
The moment of torsion caused by the magnetic resistance in rotor 100.During operation, magnetic resistance motor is sensed by ferrum
Non-permanent magnetic pole on the rotor 100 of the composition of rotor elements 102 made by magnetic material.Example
Such as, ferromagnetic material can include ferrum, stacking silicon steel or its can be made up of powdered-metal.
In the prior art, rotor has the structure of laterally stacking, and the structure is with whole
The similar rotor elements pressed together in same position in rotor.Rotor in the application
100 include stack 1000, and the rotor elements 102 for continuing of stack 1000 are relative to that
This spatially shifts.It is also believed that the stack 1000 of multiple rotor elements 102 is similar to
In the stack of horizontal rotor elements.The stack 1000 of rotor elements 102 is simultaneously non-fully dashed forward
It is going out or axially stacked, but still with some features similar to them.Multiple rotor units
Each rotor elements in part 102 can be flat.In embodiments, rotor elements
102 can have constant thickness.In embodiments, the flat table of rotor elements 102
Rotation axiss of the normal direction in face parallel to rotor elements 102, the rotary shaft of rotor elements 102
Line is also the rotation axiss 104 of rotor 100.
In embodiments, rotor elements 102 can be at one end with a thickness
The wedge with another thickness in the other end.In embodiments, rotor elements 102
It can be bending.The angle that the angle of bending can be less than the half of polar angle and bend can
With according to angle direction --- i.e., the sector ele-ment part of the shaft axis 104 that spin --- and change
Become.Under any circumstance, the face each other of rotor elements 102 tool of surface against each other
There is matching shape together.
Each rotor elements in rotor elements 102 include multiple first sector ele-ment parts
106 and multiple second sector ele-ment parts 108.Second sector portion 108 can be air gap or
Filled with nonferromugnetic material.Generally, rotor elements include at least two first sector ele-ments
Part 106 and at least two second sector ele-ment parts 108.That is, different sector ele-ments
Part 106,108 determines the different element sector 1060,1080 in rotor elements 100,
And therefore each the sector ele-ment part in sector ele-ment part 106,108 is in from position
The unit of its own that central point 1040 in the rotation axiss 104 of rotor 100 is started to spread out
In part sector 1060,1080.Sector ele-ment part 106,108 both of which surround rotor 100
Rotation axiss 104 be alternately distributed.That is, the element sector 1060 every has fan
Shape element part 106, and the remaining element sector 1080 every has fan-shaped unit
Part 108.Second sector ele-ment part 108 is not connect with the rotation axiss 104 of rotor 100
Touch.
First sector ele-ment part 106 partially or even wholly for entity (referring to Fig. 3 and
Fig. 4).Second sector ele-ment part 108 can be non-physical or by nonferromugnetic material system
Into.For example, nonferromugnetic material can be resin or plastics, but be not limited to these examples.
For the first sector ele-ment part 106, the outline of any rotor elements 102
The distance of the central point 1040 of the rotation axiss 104 away from rotor 100 can be constant.Phase
Ying Di, the distance of the central point 1040 away from axis hole 103 can also be constant.In other words,
Distance of the outline of the first sector ele-ment part 106 away from the rotation axiss 104 of rotor 100
Can be constant.
The outline of the first sector ele-ment part 106 and the outline of rotor 100 are the same.
Periphery of the outline of the first sector ele-ment part 106 for rotor 100.The periphery is along rotation
When the direction of shaft axis 104 is observed for rotor 100 protuberance peripheral edge boundary line.
For the second sector ele-ment part 108, rotary shaft of the outline away from rotor 100
The distance of the central point 1040 in line 104 than the first sector ele-ment part 106 outline away from
The distance of central point 1040 is short.In other words, the outline of the second sector ele-ment part 108 away from
The distance of rotation axiss 104 than the first sector ele-ment part 106 outline away from rotation axiss
104 distance is short.
In the example of fig. 1 and 2, the first sector portion 106 and the second sector portion 108
Between outline at least approximately along radial direction orient.Generally, outline can be differently
Orientation.Between the radial direction in the second element sector 1080, outline can have not
Same form.For example, outline can be similar in Fig. 1 in the second element sector 1080 that
Sample is arc, or is straight line.
Observe along the direction of rotation axiss 104, in the second sector ele-ment part 108 at least
Other rotor elements of at least one of one the second sector ele-ment part and rotor elements 102
The first sector ele-ment part 106 in one or more first sector ele-ment parts at least
Partly overlap.
In embodiments, second of each rotor elements in rotor elements 102 the fan-shaped unit
Each second sector ele-ment part in part part 108 can be with the first sector ele-ment part
See along the direction of rotation axiss 104 one or more first sector ele-ment parts in 106
Overlapped when examining completely.One the second sector ele-ment part 108 can be by a first element portion
Divide 106 imbrication, the rotor elements of the second sector ele-ment part 108 and the first fan-shaped unit
The rotor elements of part part 106 are different.
In embodiments, can require that the first sector ele-ment of more than one part 106 is complete
One the second sector ele-ment part 108 of full ground imbrication.One the second sector ele-ment part 108
Therefore can be by 106 imbrication of the first element of more than one part, the second sector ele-ment part
The rotor elements of 108 rotor elements and the first sector ele-ment of more than one part 106 are not
Together, and the first sector ele-ment of more than one part 106 is different from each other.
In this way, the protuberance of rotor 100 can have circular periphery.That is, rotor
In second sector ele-ment part 108 of each rotor elements in element 102 each second
Sector ele-ment part with least one of rotor elements 102 other rotor elements first
One or more first sector ele-ments in sector ele-ment part 106 are along rotation axiss 104
Direction when observing part it is overlapping so that the protuberance of rotor 100 has circular periphery.
Herein, overlap and represent the either side worked as along the direction of rotation axiss 104 from rotor 100
During observation, non-physical any second sector ele-ment part 108 is by the first sector ele-ment part
The material (referring also to Fig. 3 and Fig. 4) of at least one of 106 first sector ele-ment parts covers
Lid.
Second sector ele-ment part 108 therefore can with the first sector ele-ment part 106 in
One or more first sector ele-ment parts are along the direction of the rotation axiss 104 of rotor 100
Overlapped during observation completely.In more detail, of each rotor elements in rotor elements 102
Each second sector ele-ment part in two sector ele-ment parts 108 can be with rotor elements
One in first sector ele-ment part 106 of at least one of 102 other rotor elements
Or more first sector ele-ment parts are handed over when observing along the direction of rotation axiss 104 completely
It is folded, so that the protuberance of rotor 100 has circular periphery.
If the second sector ele-ment part 108 in this way with the first sector ele-ment part 106
In one or more first sector ele-ment parts overlap completely, then the protrusion of rotor 100
Portion has circular periphery.
In embodiments, the second sector ele-ment part 108 can be with the first sector ele-ment portion
The entity portion 312 of the one or more first sector ele-ment parts divided in 106 is along rotary shaft
The direction of line 104 is overlapped when observing completely, so that the protuberance of rotor 100 has circle
Periphery (referring to Fig. 3 and Fig. 4).Entity portion 312 can include metal or be made of metal.
As the second sector ele-ment part 108 is associated with the periphery of rotor 100, therefore this is overlapping
Also occur on the periphery of rotor 100 or at the periphery of rotor 100.
It should be pointed out that rotation axiss 104 are parallel with rotary shaft 104 ', rotary shaft 104 '
The shaft-like frame for movement of the rotation that could be for realizing rotor 100.
In embodiments, rotor 100 can have multiple rotor sections 110,112.Turn
Sub- sector 110 is limited to the radius from the rotation axiss 104 of rotor 100 and conduct turns
The camber line of the outline of subcomponent 102.
Include the first sector ele-ment part at least in part every the rotor sections 110 of
106, and do not include the second sector ele-ment part 108.That is, these every one turn
There is no in sub- sector 110 the second complete or partial sector ele-ment part 108.With this
Mode, along rotor 100 rotation axiss described in the rotor sections 110 of
Form continuous surface.
Remaining rotor sections 112 include the second sector ele-ment part 108 and also partly
Including the first sector ele-ment part 106.The remaining rotor sections 112 include and do not have
Have the second sector ele-ment part 108 every different remaining in the rotor sections 110 of
Every the rotor sections of.
In embodiments, the subtended angle α of the second sector ele-ment part 108 can be removed than 360 °
With the little formation to realize all-metal rotor sections 110 of the value obtained by the number of poles of motor.Counting
On theory, α≤A/P, wherein, A is the value less than 360 ° but more than 0 °, and P is number of poles.
Similar principle is also applied for the subtended angle of radian.The second different sector ele-ment parts 108 can
With with different subtended angle α.The subtended angle α of the second different sector ele-ment parts 108 is at one
It can be relative to each other arbitrary in rotor elements 100 or determination.Different rotor element
The subtended angle α of 100 the second sector ele-ment part 108 is relative when rotor elements 100 are differed
In can be arbitrary each other.Otherwise the second sector ele-ment part of different rotor element 100
What 108 subtended angle α can be to determine.
In a similar manner, the subtended angle of the first sector ele-ment part 106 can than 360 ° divided by
Value obtained by the number of poles of motor is little.The first different sector ele-ment parts 106 can also have
Different subtended angles.
In embodiments, the first sector ele-ment part 106 and the second sector ele-ment part 108
Can relative to the rotation axiss 104 of rotor 100 in the way of asymmetrical around rotor
100 rotation axiss 104 are alternately distributed.
In embodiments, at least one of first sector ele-ment part 106 first is fan-shaped
The circumferential lengths of element part can be with the circumference of at least one second sector ele-ment parts 108
Length is different.In embodiments, at least two in the first sector ele-ment part 106
The circumferential lengths of one sector ele-ment part can be with different from each other.In embodiments, the second fan
The circumferential lengths of at least two second sector ele-ment parts in shape element part 108 can be with that
This is different.In such ways, it is possible to achieve rotational asymmetries.
In embodiments, rotor elements 102 are identicals.That is, rotor elements 102 exist
Have the same shape and dimensions in the embodiment.
In in addition to Fig. 1, Fig. 2A and Fig. 2 B also using the embodiment shown in Fig. 3,
Stack 1000 can include at least one sub- stack 200,202, and sub- stack
200th, can stack in a similar manner per individual sub- stack in 202.
In embodiments, in per individual sub- stack 200,202, in rotor elements 102
Each rotor elements the second sector ele-ment part 108 in each second sector ele-ment portion
Point can be with the first fan-shaped unit of other rotor elements of at least one of rotor elements 102
One or more first sector ele-ment parts in part part 106 overlap completely.
In embodiments, per the suitable of the rotor elements 102 in individual sub- stack 200,202
Sequence can be as follows.First, all rotor elements 102 are located at same position, as along rotation
The direction observation of axis 104, Fig. 1, Fig. 3, Fig. 5, Fig. 6 A, Fig. 7, Fig. 8 and Fig. 9
Present the sub- stack of multiple rotor elements 102.However, rotor elements 102 can be with
Other known locations are located at relative to each other.The first rotor element 102A continues and has second turn
Subcomponent 102B.Second rotor elements 102B is rotated around first axle 250, first axle
250 is vertical relative to the rotation axiss 104 of rotor 100.It is considered that the second rotor
Element 102B is reversed.If the second rotor elements 102B has mirror symmetry, the
One axis 250 also deviate with the specular axis 252 of rotor elements 102B and with hang down
The straight axis 254 in specular axis 252 deviates.The otherwise direction of first axle 250
Can be arbitrary.May be used also in the case of a certain order is preferred in the direction of first axle 250
Select with rule of thumb.
Third trochanter element 102C is rotated by 90 ° around the rotation axiss 104 of rotor 100, and
Third trochanter element 102C is also rotated around second axis 256, second axis 256 relative to
The rotation axiss 104 of first axle 250 and rotor 100 are vertical.
Fourth trochanter element 102D is rotated around first axle 250 and around the rotation of rotor 100
Axis 104 rotates 90 °.
If stack 1000 has many sub- stacks 202, next sub- stack 202
The first rotor element 102A follow directly after the fourth trochanter unit of sub- stack 200 above
Part 102D.All stacks 200,202 can with 200 identical side of the first stack
Formula is arranged.This stacking for example can apply to the two poles of the earth motor.
In the enforcement that rotor elements 102 are rotated around the first axle perpendicular to rotation axiss 104
In mode, the number of segmental rotor part 110,112 can be double relative to the number of poles of motor
Times.
Do not rotate around the first axle perpendicular to rotation axiss 104 in rotor elements 102
In embodiment, the number of segmental rotor part 110,112 can be identical with the number of poles of motor.
In embodiments, stack 1000 can include rotor elements 102,102A, 102B,
102C, 102D, rotor elements 102,102A, 102B, 102C, 102D only around turn
The rotation axiss 104 of son 100 rotate, and not around the rotation axiss relative to rotor 100
The axis of 104 vertical such as first axles 250 is rotated.For example, this stacking can be answered
For quadrupole motor.
In embodiments, each rotor elements 102,102A, 102B, 102C, 102D
Can with the circle that at least two peripheral edge margins are cut off in the second element sector 1080
Corresponding shape of cross section.Peripheral edge margin is corresponding to the second fan in the second element sector 1080
Shape element part 108.
In embodiments, the motor with rotor 100 can be synchronous electric motor.
Fig. 3 shows each the first sector ele-ment portion in the first sector ele-ment part 106
There is at the contrary fan-shaped lateral portions divided the example of the rotor elements of prominent element 300,302.
Fig. 4 shows the example of the rotor 100 with four rotor elements, wherein, rotor
Element has prominent element 300,302.Generally, rotor 100 can have greater number
The rotor elements of rotor elements or lesser number.
In the embodiment for illustrating in figs. 3 and 4, in the first sector ele-ment part 106
Each first sector ele-ment part include two protuberances 300,302, it is described two prominent
Go out portion 300,302 positioned at the peripheral region of rotor 100 and towards the second sector portion 108
Orient away from each other, between the second sector portion 108, be positioned with the first element sector 106.
In embodiments, the profile of each protuberance 300,302 is by the outer of rotor 100
The kink 304 of week and the outline between central point 1040 and periphery is formed.It is curved
Folding part 304 and periphery can be in the ends 306 of each protuberance in protuberance 300,302
Place connects or adjacent end 306 connects.Kink 304 away from the first sector 1060 with it is neighbouring
Radius bend between second sector 1080 of the first sector 1060.Radius and protuberance
300th, 302 end 306 contacts.
In embodiments, the first sector ele-ment part 106 includes being limited by kink 304
Part open wide orifice structure 310 and entity portion 312 and non-physical portion 310.Aperture
Structure 310 is non-physical.Orifice structure is located at the first sector 1060 with neighbouring first sector
Between radius and kink 304 between 1060 the second sector 1080.
In embodiments, all orifice structures 310 can be arranged in stack 1000
Overlap each other or contact.In this way, can deposit in rotor 100 or through rotor 100
In at least one hole 316, hole 316 by rotor elements 102 orifice structure 310 combination
Formed.In addition, when the direction observation rotor 100 of the rotation axiss 104 along rotor 100,
The protuberance of rotor 100 is with the continuous circle formed by the first sector ele-ment part 106
Periphery.This means to see through rotor by least one hole 316.
In the embodiment that figure 4 illustrates, rotor 100 includes rotor elements 102, rotor
Each rotor elements in element 102 include protuberance 300,302, and in peripheral region
Through the linear contact lay or at least two protrusions through different rotor elements 102 of rotor 100
Portion 300,302.
In the diagram, numeral of the value less than 10 is shown when the rotation axiss 104 along rotor 100
Direction when observing how many rotor elements positioned at over each other.In spin shaft axis 104
On some angle directions for rising, all rotor elements are overlapping in adjacent peripheral edges.Some other
On angle direction, a small amount of rotor elements are overlapping.As the discrete function of angle direction,
The number of all rotor elements of the number of overlapping rotor elements in 0 to rotor 100
In span, rotor elements ground changes one by one.
Fig. 5 shows the example of the rotor elements 102 with the hole 500 for bolt, spiral shell
Bolt is for stack 1000 is pressed together.Fig. 5 also show axis hole 103, wherein,
The rotary shaft 104 ' of rotor 100 is positioned in axis hole 103 so that rotor elements 102 are attached
To rotary shaft 104 '.
Fig. 6 A show the example of the shape of the second sector ele-ment part 108.In this example,
The outline of the second sector ele-ment part 108 is with the angle contact rotor 100 different from 90 °
Periphery.In the example of Fig. 6 A, the outline of the second sector ele-ment part 108 is
Also there is in the mid portion of two sector ele-ment parts 108 small radian.The rotor elements
For the two poles of the earth motor.Fig. 6 A also show axis X and axis Y, in manufacture rotor 100
When, rotor elements 102 can surround axis X and axis Y is rotated (referring also to regard to Fig. 3
Explanation).
Fig. 6 B show structure of the rotor 100 when the rotor elements 102 with Fig. 6 A are manufactured
Example.Fig. 6 B also include the reference number purpose of the sub- stack 200 explained with reference to Fig. 2A
The first rotor element 102A, the second rotor elements 102B, third trochanter element 102C and
Four rotor elements 102D.Fig. 6 B are also show in phantom before other rotor elements most
One the second sector ele-ment part 108 of rotor elements afterwards.
Fig. 7 shows the example of the shape of the second sector ele-ment part 108.In this example,
The outline of the second sector ele-ment part 108 is camber line.The rotor elements are used for the two poles of the earth motor.
Fig. 7 also show axis X and axis Y, when rotor 100 is manufactured, rotor elements 102
Axis X can be surrounded and axis Y is rotated (referring also to the explanation with regard to Fig. 3).In addition,
Rotor elements 102 can be rotated around rotation axiss 104.
Fig. 8 shows the example of the shape of the second sector ele-ment part 108.In this example,
In addition to the number of the second sector ele-ment part 108 is two, showing in Fig. 1 is shaped like
Example.The rotor elements 102 are used for the two poles of the earth motor.
Fig. 9 shows the example of the shape of the second sector ele-ment part 108.The example is similar to
Example in Fig. 3 and Fig. 4, except that the curve at end 306 has big song
Rate radius so that protuberance 300 is with identical with the second sector ele-ment part 108 or at least
Almost identical radial height.
Air-element material ratio (air-element material-ratio) is relative to rotor 100
Anglec of rotation sinusoidal variations.This makes pcrmeability become different in the different anglecs of rotation.
Rotor pcrmeability is that magnetic resistance is changed to q axle from d axles in the sinusoidal mode for smoothing.
For quadrupole rotor, compared with the rotor of the two poles of the earth, pcrmeability can be by using class
As rotor elements and around different axis different rotor elements rotation combinations and more
It is infinitely variable.However, when making pcrmeability smoother, the hardness of air gap surface is reduced.
Number of poles is higher, and the regulation of pcrmeability can be more smooth.In a similar manner, air gap surface
Hardness is reduced with number of poles is increased.
What the above was write is the totality description to the rotor 100 with multiple rotor elements 102.
Rotor 100 also includes one or more magnetic flux guide members 150,154, Figure 10 to Figure 19
In show the example of one or more magnetic flux guide members 150,154.Therefore, with turn
The motor of son 100 can be permanent magnet motor or permanent magnet auxiliary magnetic resistance motor.
In the embodiment illustrated in Figure 10 to Figure 13, for example, the magnetic in rotor 100
At least one of logical guide member 150,154 magnetic flux guide member can include permanent magnet.
In the embodiment that figure 14 illustrates, magnetic flux guide member 150 in rotor 100,
At least one of 154 magnetic flux guide members include bullport.Bullport can be rotor elements
102 material is from the volume for wherein removing.In embodiments, bullport can not
Filled solid material.In embodiments, bullport can be filled with nonferromugnetic material.
Nonferromugnetic material is different from the material of rotor elements 102.
The material and/or extensibility of structure of one or more magnetic flux guide members 150,154 is passed through
The general featuress of the stack 1000 of rotor 100 can be observed in Fig. 10.Along rotation
The direction observation of axis 104, each in one or more magnetic flux guide members 150,154
Magnetic flux guide member is also located between the periphery of the protuberance of axis hole 103 and rotor 100.
Example in Figure 10, Figure 12, Figure 15, Figure 17 A, Figure 17 B and Figure 19 shows
Four-pole permanent magnet body rotor 100.Figure 11 A, Figure 11 B and Figure 13 show and four-pole permanent magnet body
Auxiliary reluctance rotor.
Figure 10, Figure 11 A, Figure 11 B, Figure 14 show that has a pair of a magnetic flux guidings
The example of part 150,154.Shape of the pair of magnetic flux guide member 150,154 in letter V
Formula, the summit of the pair of magnetic flux guide member 150,154 is unlimited, this is because magnetic flux
Guide member 150,154 is not contacted each other.In general, one can extremely have multiple magnetic fluxs
Guide member.In addition, in the example of Figure 11 A, each magnetic flux guide member 150,154 is equal
In known scope R or at 104 constant distance D of rotation axiss.Scope is meaned
And may be limited to less than in the predetermined changing value apart from D apart from D.
Figure 12 and Figure 13 show one have two pairs of magnetic flux guide members 150,154,150 ',
154 ' example.Specifically, a pair of magnetic flux guide members 150 ', 154 ' of a pole are along rotor
100 radial direction continues another to magnetic flux guide member 150,154.Therefore, usually,
In one or more magnetic flux guide members 150,150 ', 152,154,154 ' at least two
Magnetic flux guide member 150,150 ', 154,154 ' can be successive along the radial direction of rotor 100
Ground positioning.
Usually, when edge intercepts section perpendicular to the direction of rotation axiss 104, magnetic flux is led
The section for drawing part 150,154 has elongated shape.It is in the example of Figure 10 and Figure 14, long
Shape shape is rectangle.The edge of rectangle can be rounded off.
In embodiments, one or more magnetic flux guide members 150,152,154 can be with
Stack 1000 is extended through parallel to the rotation axiss 104 of rotor 100.In Figure 10, figure
In 11 and Figure 12 to Figure 14 embodiment, for example, magnetic flux guide member 150,154 can
Being straight so that each magnetic flux guide member 150,154 is located at rotary shaft with constant distance
The side of line 104.
In the embodiment example illustrated in Figure 11 B, magnetic flux guide member 150,154 can be with
Inclined form so that magnetic flux guide member 150,154 revolves around it axle with constant distance
Line 104 at least slightly spirals.The corner S for spiraling can have any value more than 0 degree.
The method for realizing the rotor that its example is illustrated in Figure 11 B can for example be：Make rotor tilt
More than the angle of at least two stator slots；Make the centre of rotor tilt to rotor and change
Incline direction；(such as after each magnet) is inclined progressively；Will be continuous and progressively
Incline combination.
In embodiments, for example, the embodiment is able to observe that in Figure 10 to Figure 14
Example, the longitudinal direction with one or more magnetic flux guide members 150,154,150 ', 154 '
Axis 170 and both the vertical directions of rotation axiss 104 are different from the radial direction of rotor 100
Direction.Radial direction is perpendicular to the direction of rotation axiss 104.If at least one magnetic flux is led
Draw part 152 be bending, then the direction of longitudinal axis 170 can at least in part with rotor
100 radial direction is different.That is, what the magnetic flux guide member 152 of bending was at least located on one point
Tangential direction is different from the radial direction of rotor 100.
In embodiments, for example, the embodiment party is shown in Figure 10, Figure 11 A, Figure 18
The example of formula, the first end 160 of magnetic flux guide member 150,150 ', 154,154 ' can be with
Positioned at least in part including the first sector ele-ment part 106 including the second sector ele-ment
Part 108 in the rotor sections 110 of.In addition, one or more magnetic fluxs
The first end 160 of guide member 152 may be located at
Part 106 and including the second sector ele-ment part 108 every the rotor sections 110 of
In.The distance of two ends 160,162 from rotation axiss 104 to magnetic flux guide member 152
It is identical or at least about identical.
In embodiments, for example, the embodiment party is shown in Figure 10, Figure 11 A, Figure 18
The example of formula, magnetic flux guide member 150,150 ', 154,154 ' with 160 phase of first end
Anti- the second end 162 may be located at including the second sector ele-ment part 108 and partly
In remaining rotor sections 112 including the first sector ele-ment part 106.Remaining rotor
The second end 162 in sector 112 is and in the rotor sections 110 of
The contrary end in end 160.
In embodiments, the example of the embodiment is shown in Figure 15, it is one or more
Individual magnetic flux guide member includes at least one magnetic flux guide member 156, each magnetic flux guide member 156
It is fully located at including the second sector ele-ment part 108 and partly including the first fan-shaped unit
In the remaining sector 112 of part part 106.At least one magnetic flux guide member 156 can have
Parallel to the longitudinal axis 170 of rotation axiss 104, or at least one magnetic flux guide member 156
The direction of longitudinal axis 170 can be different from the direction of rotation axiss 104.
In embodiments, show the example of the embodiment in Figure 17 B, one or more
Multiple magnetic flux guide members include at least one magnetic flux guide member 158, each magnetic flux guide member 158
It is fully located at
Shape element part 108 in the rotor sections 110 of.
In embodiments, for example, the example of the embodiment, magnetic are shown in Figure 11 A
The first end 160 of logical guide member 150,154 can be than the second end 162 closer to axis hole
103, the second end 162 be located at least in part include the first sector ele-ment part 106 and not
Turn including one in the rotor sections 110 of of the second sector ele-ment part 108
In sub- sector.
In embodiments, the example of the embodiment is for example shown in Figure 18, magnetic flux is led
Draw part 150,154 first end 160 can than the second end 162 closer to axis hole 103,
The second end 162 is located to be included the second sector ele-ment part 108 and partly includes first
In a sector in the remaining sector 112 of sector ele-ment part 106.
In embodiments, the example of the embodiment is for example shown in Figure 10, magnetic flux is led
Draw part 150,154 first end 160 can than the second end 162 closer to axis hole 103,
The second end 162 is located to be included the second sector ele-ment part 108 and partly includes first
In a sector in the remaining sector 112 of sector ele-ment part 106.
In embodiments, for example the example of the embodiment is shown in Figure 10 and Figure 18,
The first end 160 of magnetic flux guide member 150,154 may be located at the first sector ele-ment part
In 110, and the second end 162 of magnetic flux guide member 150,154 may be located at the second fan
In shape element part 112.
In embodiments, the example of the embodiment is shown in Figure 15, it is one or more
The number of individual magnetic flux guide member 150,150 ', 152,154,154 ', 156,158 can be with
It is related to the number of poles of the motor used for rotor 100.
In embodiments, the example of the embodiment is shown in Figure 15, it is one or more
The number of individual magnetic flux guide member 150,150 ', 152,154,154 ', 156,158 can be with
It is equal with the number of poles of the motor used for rotor 100.
In embodiments, the example of the embodiment is shown in Figure 15, it is one or more
The number of individual magnetic flux guide member 150,150 ', 152,154,154 ', 156,158 can be with
Equal to the half of the number of poles of the motor used for rotor 100.Number of poles always even number.
Figure 16 shows the example of the rotor with two magnetic flux guide members 152.Figure 16 shows
Gone out the example of alternately pole rotor, wherein, permanent magnet (magnetic flux guide member 152) with every
Extremely associated and their magnetization of one is in a same direction.Generally in other examples
In, magnetized direction is being identical in the magnet of.Then, magnetized direction
It is contrary in the magnet that any two continues.Magnetized direction is perpendicular to magnetic flux guide member
Longitudinal axis and thickness parallel to magnetic flux guide member (thickness is magnetic flux guide member
Most short size).
In the example of Figure 18 and Figure 19, one or more magnetic flux guide members 150,154
Elongated shape be, for example, camber line or bending rectangle.
As for Figure 20, each the magnetic flux guide member in magnetic flux guide member 150,154 can make
Magnetic field line in rotor 100 is redirected.For example, redirect and can be guided based on magnetic flux
The shape of part 150,150 ', 152,154,154 ', 156,158, material and magnetization.
In rotor 100, the relative permeability of rotor elements 102 higher than magnetic flux guide member 150,
150 ', 152,154,154 ', 156,158 relative permeability.Permanent magnet and bullport
Permanent magnet and bullport are passed through with the magnetic flux flows that opposing is associated with the operation of electro-motor
Higher magnetic resistance.Therefore, magnetic flux guide member 150,150 ', 152,154,154 ', 156,
158 increase outside magnetic flux guide member 150,150 ', 152,154,154 ', 156,158
Magnetic field density, this result in the higher magnetic field intensity in fine and close volume again.As magnetic
The permanent magnet of logical guide member 150,150 ', 152,154,154 ', 156,158 makes rotor
Magnetization, and bullport improves the salient pole ratio of rotor, and these make the performance of electro-motor
More effectively aspect is key character.
Sum it up, the solution for proposing gives and makes rotor lighter and firmer possibility
Property.Meanwhile, the otch (the second sector portion) in rotor elements saves material.
Figure 21 shows the example of six pole rotor.One or more magnetic flux guide members 150,
150 ', 152,154,154 ', 156,158 number and location and previously accompanying drawing
In the two poles of the earth rotor for illustrating it is similar with the example of quadrupole rotor.
Figure 22 is shown for forming the example of the method for the rotor 100 of electro-motor.In step
In rapid 1100, the second sector ele-ment part of each rotor elements in rotor elements 102 is made
First sector ele-ment portion of other rotor elements of at least one of 108 and rotor elements 102
The one or more first sector ele-ment parts divided in 106 are along the side of rotation axiss 104
Overlapped when observation at least in part.In step 1102, one or more magnetic fluxs are led
Draw part 150,150 ', 152,154,154 ', 156,158 to arrange to rotor 100, one
Or more magnetic flux guide members 150,150 ', 152,154,154 ', 156,158 are along rotation
In rotor shaft hatch 103 and the week of the protuberance of rotor 100 when the direction of shaft axis 104 is observed
The stack 1000 of rotor 100 is extended through between edge.
In embodiments, if each rotor elements in rotor elements 102 are respectively provided with which
The one group of one or more magnetic flux guide member 150 of oneself, 150 ', 152,154,154 ',
156th, 158, then one or more magnetic flux guide members 150 of multiple rotor elements 100,
Each magnetic flux guide member in 150 ', 152,154,154 ', 156,158 can be arranged
Into the corresponding magnetic flux guide member 150 with each rotor elements in other rotor elements 100,
150 ', 152,154,154 ', 156,158 overlap.
It is obvious to the skilled person that with the progress of technology, this
The concept of invention can be implemented in a variety of ways.The present invention and embodiments thereof are not limited to above-mentioned
Illustrative embodiments, and can be to change within the scope of the claims.
Claims (16)
1. a kind of rotor (100), wherein, the rotor (100) of electro-motor includes having
The stack (1000) of multiple rotor elements (102)；
Each rotor elements in the rotor elements (102) include rotor shaft hatch (103),
Multiple first sector ele-ment parts (106) and multiple second sector ele-ment parts (108), two kinds
Rotation axiss (104) of the sector ele-ment part (106,108) around the rotor (100) are handed over
Alternately it is distributed；
The outline of the second sector ele-ment part (108) is away from the rotation axiss (104)
Distance than the first sector ele-ment part (106) outline away from the rotation axiss (104)
Distance it is short；
At least one of the second sector ele-ment part (108) the second sector ele-ment part with
First sector ele-ment of at least one of the rotor elements (102) other rotor elements
Partly the one or more first sector ele-ment parts in (106) are along the rotation axiss (104)
Direction observe when overlap at least in part；And
The rotor (100) including one or more magnetic flux guide members (150,150 ', 152,
154th, 154 ', 156,158), one or more magnetic flux guide members (150,150 ', 152,
154th, 154 ', 156,158) it is configured to the direction observation along the rotation axiss (104)
When between periphery of the rotor shaft hatch (103) with the protuberance of the rotor (100) extend
Through the stack (1000) of the rotor (100).
2. rotor according to claim 1, wherein, one or more magnetic fluxs are guided
The number of part (150,150 ', 152,154,154 ', 156,158) and the rotor (100)
The number of poles of used motor is related.
3. rotor according to claim 1, wherein, one or more magnetic fluxs are guided
At least one of part (150,150 ', 152,154,154 ', 156,158) magnetic flux guide member
Including at least one of permanent magnet and bullport.
4. rotor according to claim 1, wherein, one or more magnetic fluxs are guided
Part (150,150 ', 152,154,154 ', 156,158) is configured to parallel to the rotor (100)
The rotation axiss (104) extend through the stack (1000).
5. rotor according to claim 1, wherein, one or more magnetic fluxs are guided
Part (150,150 ', 152,154,154 ', 156,158) is with elongated shape.
6. rotor according to claim 5, wherein, lead with one or more magnetic fluxs
The all magnetic flux guide members or part magnetic flux drawn in part (150,150 ', 154,154 ', 156) are led
Both the vertical directions of longitudinal axis (170) and the rotation axiss (104) for drawing part are different
In the radial direction of the rotor (100).
7. rotor according to claim 1, wherein, one or more magnetic fluxs are guided
At least two magnetic flux guide members in part (150,150 ', 152,154,154 ', 156,158)
(150,150 ', 154,154 ') are one after the other positioned along the radial direction of the rotor (100).
8. rotor according to claim 1, wherein, the second sector ele-ment part (108)
With the first sector ele-ment part (106) when observing along the direction of the rotation axiss (104)
In one or more first sector ele-ment parts entity portion (312) overlap so that described
The protuberance of rotor (100) has circular periphery.
9. rotor according to claim 1, wherein,
Multiple rotors of the rotor (100) with the rotation axiss (104) with regard to the rotor
Sector (110,112)；
Include the first sector ele-ment portion at least in part every the rotor sections of (110)
Point (106) and do not include the second sector ele-ment part (108), with along the rotor (100)
The rotation axiss it is described in the rotor sections (110) of have continuous surface；
And
Remaining rotor sections (112) are including the second sector ele-ment part (108) and portion
Ground is divided to include the first sector ele-ment part (106).
10. rotor according to claim 9, wherein, one or more magnetic fluxs are led
Draw the guiding of at least one of part (150,150 ', 152,154,154 ', 156,158) magnetic flux
The first end (160) of part is positioned at least in part including the first sector ele-ment part (106)
And rotor sections every including the second sector ele-ment part (108)
(110) in.
11. rotors according to claim 9, wherein, one or more magnetic fluxs are led
Draw the guiding of at least one of part (150,150 ', 152,154,154 ', 156,158) magnetic flux
The second end (162) of part is positioned at including the second sector ele-ment part (108) and part
During ground includes the described remaining rotor sections (112) of the first sector ele-ment part (106).
12. rotors according to claim 9, wherein, one or more magnetic fluxs are led
Draw the guiding of at least one of part (150,150 ', 152,154,154 ', 156,158) magnetic flux
Part is fully located at including the second sector ele-ment part (108) and partly includes described the
In a sector in the described remaining sector (112) of one sector ele-ment part (106).
13. rotors according to claim 9, wherein, one or more magnetic fluxs are led
Draw the guiding of at least one of part (150,150 ', 152,154,154 ', 156,158) magnetic flux
The first end (160) of part than the second end (162) closer to the axis hole (103), it is described
The second end (162) is positioned at least in part including the first sector ele-ment part (106)
Including the rotor sections (110) every of the second sector ele-ment part (108)
In a rotor sections (110) in.
14. rotors according to claim 9, wherein, one or more magnetic fluxs are led
Draw the guiding of at least one of part (150,150 ', 152,154,154 ', 156,158) magnetic flux
The first end (160) of part than the second end (162) closer to the axis hole (103), it is described
The second end (162) is positioned at including the second sector ele-ment part (108) and partly wrapping
Include a fan in the described remaining sector (112) of the first sector ele-ment part (106)
Qu Zhong.
A kind of 15. motors, wherein, the electro-motor includes according to claim 1 turn
Son.
A kind of 16. methods for manufacturing rotor, methods described are included with multiple rotor elements (102)
The rotor (100) of electro-motor is formed, the plurality of rotor elements (102) are in the manufacturer
When method starts it is at same location in, and
Each rotor elements in the rotor elements (102) include multiple first sector ele-ments
Partly (106) and multiple second sector ele-ment parts (108), two kinds of sector ele-ment parts (106,
108) rotation axiss (104) around the rotor (100) are alternately distributed；
The outline of the second sector ele-ment part (108) is away from the rotation axiss (104)
Distance than the first sector ele-ment part (106) outline away from the rotation axiss (104)
Distance it is short,
Make the second sector ele-ment portion of each rotor elements in the rotor elements (102)
Described the of at least one of point (108) and the rotor elements (102) other rotor elements
One or more first sector ele-ment parts in one sector ele-ment part (106) are along the rotation
(1100) are overlapped at least in part when the direction of shaft axis (104) is observed；And
By one or more magnetic flux guide members (150,150 ', 152,154,154 ', 156,
158) arrange to the rotor (100), one or more magnetic flux guide members (150,150 ',
When the 152nd, 154,154 ', 156,158) observing along the direction of the rotation axiss (104)
Institute is extended through between periphery of the rotor shaft hatch (103) with the protuberance of the rotor (100)
State the stack (1000) of rotor (100).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510707789.9A CN106612025B (en) | 2015-10-27 | 2015-10-27 | Rotor and method for producing a rotor |
| PCT/EP2016/075809 WO2017072178A1 (en) | 2015-10-27 | 2016-10-26 | Rotor and method for manufacturing rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510707789.9A CN106612025B (en) | 2015-10-27 | 2015-10-27 | Rotor and method for producing a rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106612025A true CN106612025A (en) | 2017-05-03 |
| CN106612025B CN106612025B (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510707789.9A Expired - Fee Related CN106612025B (en) | 2015-10-27 | 2015-10-27 | Rotor and method for producing a rotor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106612025B (en) |
| WO (1) | WO2017072178A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591912A (en) * | 2017-08-30 | 2018-01-16 | 广东威灵电机制造有限公司 | Rotor core, motor, compressor and the refrigeration system with the compressor |
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|---|---|---|---|---|
| EP1450462A1 (en) * | 2003-02-18 | 2004-08-25 | Minebea Co., Ltd. | Rotor and stator for an electrical machine with reduced cogging torque |
| CN202634112U (en) * | 2012-05-30 | 2012-12-26 | 中山大洋电机股份有限公司 | Rotor component structure |
| CN103095007A (en) * | 2011-11-08 | 2013-05-08 | 艾默生环境优化技术(苏州)有限公司 | Rotor and electric motor |
| CN104393730A (en) * | 2013-08-05 | 2015-03-04 | 通用电气公司 | Spoke permanent magnet machine with reduced torque ripple and method of manufacturing thereof |
| US20150069863A1 (en) * | 2013-09-06 | 2015-03-12 | General Electric Company | Interior permanent magnet machine having offset rotor sections |
| WO2015111297A1 (en) * | 2014-01-27 | 2015-07-30 | 日立オートモティブシステムズ株式会社 | Rotor for rotating electrical machine, rotating electrical machine using said rotor, and electric vehicle |
| WO2015151236A1 (en) * | 2014-04-01 | 2015-10-08 | 株式会社安川電機 | Rotating electric machine |
-
2015
- 2015-10-27 CN CN201510707789.9A patent/CN106612025B/en not_active Expired - Fee Related
-
2016
- 2016-10-26 WO PCT/EP2016/075809 patent/WO2017072178A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1450462A1 (en) * | 2003-02-18 | 2004-08-25 | Minebea Co., Ltd. | Rotor and stator for an electrical machine with reduced cogging torque |
| CN103095007A (en) * | 2011-11-08 | 2013-05-08 | 艾默生环境优化技术(苏州)有限公司 | Rotor and electric motor |
| CN202634112U (en) * | 2012-05-30 | 2012-12-26 | 中山大洋电机股份有限公司 | Rotor component structure |
| CN104393730A (en) * | 2013-08-05 | 2015-03-04 | 通用电气公司 | Spoke permanent magnet machine with reduced torque ripple and method of manufacturing thereof |
| US20150069863A1 (en) * | 2013-09-06 | 2015-03-12 | General Electric Company | Interior permanent magnet machine having offset rotor sections |
| WO2015111297A1 (en) * | 2014-01-27 | 2015-07-30 | 日立オートモティブシステムズ株式会社 | Rotor for rotating electrical machine, rotating electrical machine using said rotor, and electric vehicle |
| WO2015151236A1 (en) * | 2014-04-01 | 2015-10-08 | 株式会社安川電機 | Rotating electric machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591912A (en) * | 2017-08-30 | 2018-01-16 | 广东威灵电机制造有限公司 | Rotor core, motor, compressor and the refrigeration system with the compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017072178A1 (en) | 2017-05-04 |
| CN106612025B (en) | 2020-01-07 |
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