CN108092435A - Stator core winding unit, stator module and disc type electric machine - Google Patents
Stator core winding unit, stator module and disc type electric machine Download PDFInfo
- Publication number
- CN108092435A CN108092435A CN201810024612.2A CN201810024612A CN108092435A CN 108092435 A CN108092435 A CN 108092435A CN 201810024612 A CN201810024612 A CN 201810024612A CN 108092435 A CN108092435 A CN 108092435A
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- CN
- China
- Prior art keywords
- stator core
- winding
- stator
- electric machine
- disc type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The present invention proposes a kind of stator core winding unit, the stator module and disc type electric machine of disc type electric machine, the stator core winding unit includes stator core, concentratred winding and the fixing glue that the triangular prism shape of seamed edge arc transition is set, the concentratred winding includes the multilayer winding circle of the length direction helically coiling around the lateral surface for being located at the stator core and along the stator core, and the multilayer winding circle bends winding by flat wire along its cross-sectional length direction.The fixing glue includes the outer layer fixing glue that the outer surface of the inside fixing glue for being filled in gap between the stator core and the concentratred winding, the interlayer fixing glue being filled between the coiling of adjacent layer and the cladding concentratred winding is set.The present invention can prevent the bending place of flat wire from insulation film cracking occurs, and so that concentratred winding is controllable along the flexible size in the axial direction of stator core.
Description
Technical field
The present invention relates to technical field of motors, more particularly to a kind of stator core winding unit, the stator pack of disc type electric machine
Part and disc type electric machine.
Background technology
Disc type electric machine of the prior art generally comprises fixed disk and stator core winding unit, stator core winding unit
Including stator core and the winding being set around on stator core.In the prior art, winding is coiled to form by enameled wire mostly, and
In order to obtain pressure-resistant better turn-to-turn and corona-resistant insulation performance and higher copper factor so as to improving the power of motor
Density carrys out coiling winding preferably with corona-resistant film sintering strip conductor.In flat wire winding process, if bending angle is larger,
Larger stress can be generated in flat wire shaping, the film of flat wire easily cracking or blistering during use.In addition, in the prior art
Winding, due to not fixed between adjacent coil layer, and cause winding along the flexible size in the axial direction of stator core not
Controllably.
The content of the invention
The main object of the present invention is to propose a kind of stator core winding unit, the stator module and disc type of disc type electric machine
Motor, it is intended to prevent the bending place of flat wire from cracking, and so that winding is controllable along the flexible size in the axial direction of stator core.
To achieve the above object, a kind of stator core winding unit proposed by the present invention, including：
Stator core, in seamed edge arc transition triangular prism shape set, the stator core formed by silicon steel plate stacking or
The material of stator core described in person is that the material of non-crystaline amorphous metal or the stator core is SMC compound soft magnetic materials；
Concentratred winding, including around the lateral surface for being located at the stator core and along the length direction spiral shell of the stator core
The multilayer winding circle of system is curled up, the multilayer winding circle bends winding by flat wire along its cross-sectional length direction；And
Fixing glue, including be filled between the stator core and the concentratred winding inside fixing glue, be filled in phase
The outer layer fixing glue that the outer surface of interlayer fixing glue and the cladding concentratred winding between the coiling of adjacent bed is set.
Preferably, the fixing glue is heat-conducting glue.
Preferably, the spacing between the multilayer winding circle and the side of the stator core is not more than 0.5mm.
Preferably, the seamed edge transition arc radius of the stator core is not less than the cross-sectional length of the flat wire.
Preferably, the section of the stator core is set in isosceles triangle.
The present invention also proposes a kind of stator module of disc type electric machine, including：
Two fixed plates, described two fixed plates are set in the circular slab of center drilling, between described two fixed plates
The annular space positioned at perforate periphery is formed with, multiple locating slots are correspondingly provided in described two fixed plates；
Multiple foregoing stator core winding units, in the annular space, and the multiple stator core winding
The both ends of the stator core of unit correspond to and are positioned in the multiple locating slot in described two fixed plates；And
Fixed filling glue, is filled in the annular space, by described two fixed plates and the multiple stator core and
Concentratred winding is adhesively fixed.
Preferably, the stator module of the disc type electric machine includes multiple companies around component, the multiple company around component by according to
The secondary multiple stator core winding units compositions being disposed adjacent, belong to the same company around component it is multiple it is described concentrate around
Group is set around one by one by a flat wire to be belonged to the company and is formed around multiple stator cores of component.
Preferably, the multiple company around component by the stator core winding lists several again of 3 be disposed adjacent successively
Member composition.
Preferably, the both ends of each stator core correspond to and stretch to the corresponding positioning in described two fixed plates
In slot, and the both ends of each stator core are each formed with stage portion outwardly, in corresponding and described two fixed plates
Side abuts.
The present invention also proposes a kind of disc type electric machine, the stator module including disc type electric machine, the stator pack of the disc type electric machine
Part, including：
Two fixed plates, described two fixed plates are set in the circular slab of center drilling, between described two fixed plates
The annular space positioned at perforate periphery is formed with, multiple locating slots are correspondingly provided in described two fixed plates；
Multiple foregoing stator core winding units, in the annular space, and the multiple stator core winding
The both ends of the stator core of unit correspond to and are positioned in the multiple locating slot in described two fixed plates；And
Fixed filling glue, is filled in the annular space, by described two fixed plates and the multiple stator core and
Concentratred winding is adhesively fixed.
In technical solution provided by the invention, by the way that in arc transition, the seamed edge of stator core is made flat wire pile warp stator
Also arc transition bending is able in place of iron core seamed edge, so as to reduce the stress that flat wire generates due to corner angle are bent, thus can be prevented
Only flat wire bending place is cracked.With the technical side for setting in the section of stator core in the polygon when number is more than or equal to four
Case is compared, and flat wire needs the number bent during the solution of the present invention can reduce coiling concentratred winding.The present invention is by setting
Put inside fixing glue make to be connected firmly between stator core and concentratred winding, also by set interlayer fixing glue make adjacent layer around
It is mutually bonded between line conductor, so that winding is controllable along the flexible size in the axial direction of stator core, but also stator core
It is connected firmly between concentratred winding and so that concentratred winding is not easy to scatter.And the present invention is also by setting outer layer fixing glue to rise
To the protective effect to concentratred winding, winding and air insulated can be made, after adhesive curing itself there is sizing and elastic buffer to make
It can also be played the role of preventing flat wire from cracking with, the tension in outer layer fixing glue, since fixing glue is sealed concentratred winding
Dress, the setting of fixing glue can play concentratred winding waterproof and anti-condensation effect.Further, since the concentratred winding in the present invention
It being coiled by flat wire and the multilayer winding circle bends winding by flat wire along its width, gap is smaller between flat wire, thus
The tankful rate of motor can be improved, and then the power density of motor can be improved.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Structure according to these attached drawings obtains other attached drawings.
Fig. 1 is the structure diagram of an embodiment of stator core winding unit provided by the invention；
Fig. 2 is the structure diagram of an embodiment of the stator module of disc type electric machine provided by the invention；
Fig. 3 is structure diagram of the company around component of the stator module of disc type electric machine shown in Fig. 2.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 1 | Stator core | 31 | Locating slot |
| 11 | Stage portion | 4 | Annular space |
| 2 | Concentratred winding | 5 | Even around component |
| 3 | Fixed plate |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, belongs to the scope of protection of the invention.
If it is to be appreciated that relating to directionality instruction in the embodiment of the present invention, directionality instruction is only used for explaining
Relative position relation, motion conditions under a certain particular pose between each component etc., if the particular pose changes,
Directionality instruction also correspondingly changes correspondingly.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, " first ", " second " etc. are somebody's turn to do
Description be only used for description purpose, and it is not intended that instruction or implying its relative importance or implicit indicating indicated skill
The quantity of art feature." first " is defined as a result, and the feature of " second " can be expressed or implicitly includes at least one spy
Sign.In addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
Based on enough realizations, the knot of this technical solution is will be understood that when the combination appearance of technical solution is conflicting or can not realize
Conjunction is not present, also not the present invention claims protection domain within.
A kind of disc type electric machine of the present invention, the disc type electric machine include the stator module of disc type electric machine, the disc type electric machine
Stator module includes stator core winding unit, and Fig. 1 is an embodiment of stator core winding unit provided by the invention.It is described
Stator core winding unit include in seamed edge arc transition triangular prism shape set stator core 1, concentratred winding 2 and
Fixing glue, the stator core 1 formed by silicon steel plate stacking or the material of the stator core 1 be non-crystaline amorphous metal, Huo Zhesuo
The material of stator core 1 is stated as SMC compound soft magnetic materials, the concentratred winding 2 is included around the outside for being located at the stator core 1
Face and the multilayer winding circle of length direction helically coiling along the stator core 1, the multilayer winding circle by flat wire along
Its cross-sectional length direction bends winding, and the fixing glue includes being filled between the stator core 1 and the concentratred winding 2
The outer surface of inside fixing glue, the interlayer fixing glue being filled between the coiling of adjacent layer and the cladding concentratred winding 2
The outer layer fixing glue of setting.
In the present embodiment, by the seamed edge of stator core 1 in arc transition, is made 1 seamed edge of flat wire pile warp stator core it
Place is also able to arc transition bending, so as to reduce flat wire because the stress generated during bending, thus can prevent flat wire bending place from sending out
Raw cracking.Compared with being in the technical solution that the polygon when number is more than or equal to four is set by the section of stator core 1, this implementation
During the scheme of example can reduce coiling concentratred winding 2, flat wire needs the number bent.By setting inside in the present embodiment
Fixing glue makes to be connected firmly between stator core 1 and concentratred winding 2, also by the way that interlayer fixing glue is set to make the coiling of adjacent layer
Between be mutually bonded so that winding is controllable along the flexible size in the axial direction of stator core 1, but also stator core 1 and collection
It is connected firmly between middle winding 2 and so that concentratred winding 2 is not easy to scatter.And also by setting outer layer fixing glue in the present embodiment
Play the role of the protective effect to concentratred winding 2, itself has sizing and elastic buffer after adhesive curing, opening in outer layer fixing glue
Power can also play the role of preventing flat wire from cracking, and since fixing glue is encapsulated concentratred winding 2, the setting of fixing glue can be right
Concentratred winding 2 plays waterproof and anti-condensation effect.Further, since the winding 2 in the present embodiment is coiled into and described more by flat wire
Layer coiling bends winding by flat wire along its cross-sectional length direction, and gap is smaller between flat wire, thus can improve expiring for motor
Slot rate, and then the power density of motor can be improved.
For the benefit of the heat generated in concentratred winding 2 is exported by stator core 1, and beneficial to stator core winding unit
Heat dissipation, the fixing glue be heat-conducting glue.The heat-conducting glue is preferably to be provided simultaneously with heat conductivility and the heat-conducting glue of insulation performance,
The insulation performance of heat-conducting glue can improve the security performance of stator core winding unit.
Specifically, the fixing glue can be epoxy glue.Epoxy glue adhesion strength is strong and cures conveniently, and heat-conducting effect
It is good, thus it is beneficial to the heat transfer that will be generated in motor operation course in stator module to stator core 1, so as to pass through stator iron
Core 1 sheds the heat in stator module.
In the present embodiment, the spacing between the multilayer winding circle and the side of the stator core 1 is not more than 0.5mm.
The spacing between multilayer winding circle and the side of stator core 1 is controlled to be not more than 0.5mm so that stator core winding unit and collection
Middle winding 2 draws closer together, so as to be conducive to the heat transfer of concentratred winding 2 to stator core 1, and be conducive to stator core around
The heat dissipation of group unit.In addition, stator core winding unit draws closer together with concentratred winding 2, it is also beneficial to reduce the magnetic circuit of motor
Air gap, so as to reduce the running wastage of motor.
Bending part further to avoid flat wire cracks, in the present embodiment, the seamed edge transition of the stator core 1
Arc radius is not less than the cross-sectional length of the flat wire.In this way, when the cross-sectional length of flat wire is bigger, stator core 1
Seamed edge transition arc radius can also be set to it is bigger, so as to be avoided that bending part of the flat wire because causing flat wire during overflexing
It cracks.
It is right centered on the magnetic field of the stator module of the disc type electric machine of stator core winding unit is set for ease of that will be equipped with
Claim, in the present embodiment, the section of the stator core 1 is set in isosceles triangle.From geometry, isosceles triangle is respectively provided with
The sum of one apex angle and two base angles, an apex angle and two base angles are 360 degree.The apex angle of the isosceles triangle and base angle are big
It is small closely related with the bending angle of flat wire, preferably to avoid that the bending part of flat wire is caused to occur due to flat wire overflexing
It cracks, in the present embodiment, the apex angle of the isosceles triangle is more than 40 degree, less than or equal to 70 degree；The bottom of the isosceles triangle
Angle is more than or equal to 55 degree, less than or equal to 70 degree.
Fig. 2 is an embodiment of stator module provided by the invention, and the stator module of the disc type electric machine is solid including two
Fixed board 3 and multiple foregoing stator core winding units.Described two fixed plates 3 are set in the circular slab of center drilling,
The annular space 4 positioned at perforate periphery is formed between described two fixed plates 3, correspondence is set in described two fixed plates 3
There are multiple locating slots 31.The multiple stator core winding unit is arranged in the annular space 4, and the multiple stator core
The both ends of the stator core 1 of winding element correspond to and are positioned in the multiple locating slot 31 in described two fixed plates 3.It is described
Fixed filling glue is filled in the annular space 4, and described two fixed plates 3 and the multiple stator core 1 are adhesively fixed.
In the present embodiment, by the fixed filling glue of filling in annular space 4, make two fixed plates 3 and multiple stator iron
Core 1 is firmly fixed, and influences the magnetic circuit of stator core 1 so as to avoid opening up bolt hole on stator core 1, and by
Bolt need not be tightened in assembling process, is simplified assembling process, suitable for automated production.In addition, in the present embodiment, also
By setting locating slot 31 in fixed plate 3, stator core 1 is accurately positioned convenient for assembler.
In the present embodiment, the fixed plate 3 is peek plates.Peek materials, also referred to as polyether-ether-ketone, have high intensity,
High-modulus, high-fracture toughness and excellent dimensional stability.In the present embodiment, fixed plate 3 is peek plates, can ensure rotor
Reduce the weight of rotor assembly while component strength, and then realize the lightweight of motor.
In the prior art, generally use following manner assembling stator module：It is flat that winding is first distinguished on multiple stator cores 1
Line, it is different fixed to realize to form multiple concentratred windings 2 on multiple stator cores 1, then by the way that flat wire end is welded to connect
The electric connection between concentratred winding 2 on sub- iron core 1., it is necessary to repeatedly will so during stator module is assembled
The operating process of flat wire end connection, assembling process are more complicated.As shown in figure 3, in the present embodiment, the disc type electric machine is determined
Sub-component includes multiple companies around component 5, the multiple company around component 5 by the multiple stator cores being disposed adjacent successively around
Group unit composition, belongs to the same company and is set around one by one by a flat wire around multiple concentratred windings 2 of component 5 and belong to this
The company is formed around multiple stator cores 1 of component 5.In the present embodiment, since the same company is around the multiple described of component 5
Concentratred winding 2 is coiled by a flat wire, can be to avoid belonging to same company's winding so as to during stator module assemble
Electrical welding operation between multiple concentratred windings 2 of part 5, and then simplify the assembling process of stator module.
Specifically, as shown in figure 3, in the present embodiment, the multiple company is around component by 3 multiple being disposed adjacent successively
A stator core winding unit composition.For three phase electric machine, even three stator cores are preferably included around component 5
1 and three concentratred windings 2.
To make the positioning of stator core 1 more accurate, and in order to improve the secured journey that stator core 1 is connected with fixed plate 3
Degree, as depicted in figs. 1 and 2, in the present embodiment, the both ends of each stator core 1, which correspond to, stretches to described two fixed plates 3
In the upper corresponding locating slot 31, and the both ends of each stator core 1 are each formed with stage portion 11 outwardly, with correspondence
It is abutted with the medial surface of described two fixed plates 3.The setting of stage portion 11 can play the position-limiting action compared with fixed plate 3, from
And make the positioning of stator core 1 more accurate, and carry out /V to stator core 1 is axial.Further, since stage portion 11 increases
Contact area between fixed plate 3 and stator core 1 so that stator core 1 is connected with fixed plate 3 more securely.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this
The equivalent structure transformation made under the inventive concept of invention using description of the invention and accompanying drawing content or directly/utilization indirectly
It is included in other related technical areas in the scope of patent protection of the present invention.
Claims (10)
1. a kind of stator core winding unit, which is characterized in that including：
Stator core is set in the triangular prism shape of seamed edge arc transition, and the stator core is formed by silicon steel plate stacking, Huo Zhesuo
The material for stating stator core is that the material of non-crystaline amorphous metal or the stator core is SMC compound soft magnetic materials；
Concentratred winding, including around the lateral surface for being located at the stator core and along the length direction spiral winding of the stator core
The multilayer winding circle of system, the multilayer winding circle bend winding by flat wire along its cross-sectional length direction；And
Fixing glue, including be filled between the stator core and the concentratred winding inside fixing glue, be filled in adjacent layer
Coiling between interlayer fixing glue and the cladding concentratred winding the outer layer fixing glue that sets of outer surface.
2. stator core winding unit as described in claim 1, which is characterized in that the fixing glue is heat-conducting glue.
3. stator core winding unit as described in claim 1, which is characterized in that the multilayer winding circle and the stator iron
Spacing between the side of core is not more than 0.5mm.
4. stator core winding unit as described in claim 1, which is characterized in that the seamed edge transition arc of the stator core
Radius is not less than the cross-sectional length of the flat wire.
5. stator core winding unit as described in claim 1, which is characterized in that the section of the stator core is in isosceles three
Angular setting.
6. a kind of stator module of disc type electric machine, which is characterized in that including：
Two fixed plates, described two fixed plates set in the circular slab of center drilling, are formed between described two fixed plates
There is the annular space positioned at perforate periphery, multiple locating slots are correspondingly provided in described two fixed plates；
Multiple such as claim 1-5 any one of them stator core winding units, in the annular space, and it is described more
The both ends of the stator core of a stator core winding unit correspond to the multiple locating slot being positioned in described two fixed plates
In；And
Fixed filling glue, is filled in the annular space, by described two fixed plates and the multiple stator core and concentration
Winding is adhesively fixed.
7. the stator module of disc type electric machine as claimed in claim 6, which is characterized in that described more including multiple companies around component
A company is made of around component the multiple stator core winding units being disposed adjacent successively, belongs to the same company around component
Multiple concentratred windings be set around one by one by a flat wire and belong to the company and formed around multiple stator cores of component.
8. the stator module of disc type electric machine as claimed in claim 7, which is characterized in that the multiple company is around component by successively
The stator core winding unit compositions several again of 3 be disposed adjacent.
9. the stator module of disc type electric machine as claimed in claim 6, which is characterized in that the both ends pair of each stator core
It should stretch in described two fixed plates in the corresponding locating slot, and the both ends of each stator core are each formed with court
Outer stage portion is abutted with correspondence with the medial surface of described two fixed plates.
10. a kind of disc type electric machine, which is characterized in that include the stator pack of such as claim 6 to 9 any one of them disc type electric machine
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810024612.2A CN108092435A (en) | 2018-01-10 | 2018-01-10 | Stator core winding unit, stator module and disc type electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810024612.2A CN108092435A (en) | 2018-01-10 | 2018-01-10 | Stator core winding unit, stator module and disc type electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108092435A true CN108092435A (en) | 2018-05-29 |
Family
ID=62182008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810024612.2A Pending CN108092435A (en) | 2018-01-10 | 2018-01-10 | Stator core winding unit, stator module and disc type electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108092435A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098681A (en) * | 2019-05-09 | 2019-08-06 | 上海大学 | A kind of disc type electric machine winding |
| CN110176815A (en) * | 2019-06-28 | 2019-08-27 | 江西泰豪军工集团有限公司 | Disc type stator and motor |
| CN111049287A (en) * | 2019-12-31 | 2020-04-21 | 沈阳安东电机有限公司 | Novel stator core of axial flux birotor motor |
| WO2021003586A1 (en) * | 2019-07-05 | 2021-01-14 | 余仁伟 | Flat multi-layer coil stator for disk motor |
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| CN1135810A (en) * | 1994-09-20 | 1996-11-13 | 昆士兰铁路公司 | Open Stator Axial Flux Motor |
| CN203632502U (en) * | 2013-12-26 | 2014-06-04 | 北京奇峰聚能科技有限公司 | Large-power coreless motor having heat conduction structure |
| KR101597967B1 (en) * | 2015-12-11 | 2016-02-29 | 전자부품연구원 | Stator of Plate type motor and Plate type motor using the same |
| CN105900315A (en) * | 2014-01-10 | 2016-08-24 | 日立汽车系统株式会社 | Axial gap type motor |
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|---|---|---|---|---|
| CN1135810A (en) * | 1994-09-20 | 1996-11-13 | 昆士兰铁路公司 | Open Stator Axial Flux Motor |
| CN203632502U (en) * | 2013-12-26 | 2014-06-04 | 北京奇峰聚能科技有限公司 | Large-power coreless motor having heat conduction structure |
| CN105900315A (en) * | 2014-01-10 | 2016-08-24 | 日立汽车系统株式会社 | Axial gap type motor |
| KR101597967B1 (en) * | 2015-12-11 | 2016-02-29 | 전자부품연구원 | Stator of Plate type motor and Plate type motor using the same |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098681A (en) * | 2019-05-09 | 2019-08-06 | 上海大学 | A kind of disc type electric machine winding |
| CN110098681B (en) * | 2019-05-09 | 2022-01-07 | 上海大学 | Disc type motor winding |
| CN110176815A (en) * | 2019-06-28 | 2019-08-27 | 江西泰豪军工集团有限公司 | Disc type stator and motor |
| WO2021003586A1 (en) * | 2019-07-05 | 2021-01-14 | 余仁伟 | Flat multi-layer coil stator for disk motor |
| US11909284B2 (en) | 2019-07-05 | 2024-02-20 | Renwei YU | Flat-type stator with multilayer coils for disc-type motor |
| CN111049287A (en) * | 2019-12-31 | 2020-04-21 | 沈阳安东电机有限公司 | Novel stator core of axial flux birotor motor |
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Effective date of registration: 20181107 Address after: 200000 Floor 9, No. 3255, Zhou Jia Zui Road, Yangpu District, Shanghai. Applicant after: Yi Kun Power Technology (Shanghai) Co., Ltd. Address before: 201599 312B 1, No. 438 Xin Nong Pu Yin Road, Zhu Jing Town, Jinshan District, Shanghai. Applicant before: Shanghai silicon Thailand Electronics Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180529 |