CN107800208A - A kind of disk type electric machine stator disk and there is its disc type electric machine and its manufacture method - Google Patents
A kind of disk type electric machine stator disk and there is its disc type electric machine and its manufacture method Download PDFInfo
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- CN107800208A CN107800208A CN201711243389.2A CN201711243389A CN107800208A CN 107800208 A CN107800208 A CN 107800208A CN 201711243389 A CN201711243389 A CN 201711243389A CN 107800208 A CN107800208 A CN 107800208A
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- stator
- disk
- electric machine
- type electric
- disc
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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
- H02K1/12—Stationary parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention provides a kind of disk type electric machine stator disk, including at least two stator disc bodies (11), each stator disc body (11) is respectively provided with close to the first face (15) of rotor disk (17) and the second face (16) away from rotor disk (17), several grooves (12) for being used to install fixed stator winding are formed on second face (16), the second face (16) of wherein at least two stator disc body (11) is oppositely arranged, and forms an overall structure.Present invention also offers a kind of manufacture method of disk type electric machine stator disk and a kind of disc type electric machine with said stator disk.The present invention allows the deformation of two relative stator disc bodies (11) to cancel out each other, thermal deformation easily occurs in use for the stator disc for solving existing iron-core-free disc motor, rotor and stator is caused to produce contact friction, the problem of electric motor short circuit accident occurs.
Description
Technical field
The present invention relates to technical field of motors, and in particular to a kind of disk type electric machine stator disk and with its disc type electric machine and
Its manufacture method.
Background technology
The electric system of electric discharge and the charging of flywheel current accumulator typically uses disc type electric machine, and this is due to disc type electric machine
Profile is flat, axial dimension is short, and configuration aspects are relatively adapted to flywheel accumulator to use.The stator and rotor of disc type electric machine are all in disk
Type structure, stator are generally divided into cored and two kinds of iron-core-free, and stator without iron core disk is typically using insulation and non-magnetic material
Make, such as plastics that thermal conductivity is good, groove is carved with stator disc and is used for arranging wire, be installation letter the advantages of stator without iron core disk
Single, motor working efficiency is high.As shown in figure 1, by the stator disc 18 of plastic manufacturing, shape is generally annulus, and there is through hole centre, flies
Rotating shaft 19 is taken turns out of hole by arranging stator coil on stator disc 18.Stator disc 18 is fixed on the inwall of flywheel casing, from interior
Wall is stretched to centre, and the both sides of stator disc 18 are sandwiched by rotor disk 17, and permanent magnet is inlaid with rotor disk 17, forms desk permanent-magnet
Motor.
But because stator disc inner ring is not fixed, whole stator disc is cantilever design, in order to ensure stator disc not with
Rotor disk friction, stator disc must have enough rigidity, it is impossible to too big deformation be produced, to ensure stator disc 18 and rotor disk 17
Between have gas gap plane 20.Air gap between the two is the plane vertical with machine shaft 19, as shown in figure 1, Fig. 2 is the air gap
Plane 20, the magnetic line of force 21 is parallel with the direction of machine shaft 19 perpendicular to gas gap plane 20, referred to as axial air-gap magnetic flux.
With the operating of motor, the coil in stator disc produces substantial amounts of heat, will to determine using plastic production
Thermal deformation occurs at a certain temperature for sub-disk, and the stator disc deformation for being carved with wire casing then can be more serious, including can not be extensive
Multiple plastic deformation.The deformation of stator disc is not usually uniform plane deformation, such as warpage, be so easy for causing rotor and
Contact friction is produced between stator, and then electric motor short circuit accident occurs.
In order to solve the above-mentioned technical problem, Chinese patent literature CN205377473U discloses a kind of iron-core-free axial magnetic field
Disk type electric machine stator disk, including multiple sector (-shaped) coils and epoxy resin, along the circumferential direction interlocking is arranged in annular to multiple coils
Coil array, it also includes interior thermally conductive sheet and outer thermally conductive sheet, and interior thermally conductive sheet is to be arranged at the inner ring of making toroidal coil array, interior
Thermally conductive sheet has exposed interior thermally conductive sheet radiating surface；Outer thermally conductive sheet is arranged at the outer ring of making toroidal coil array, outer thermally conductive sheet
With exposed outer thermally conductive sheet radiating surface.In use, heat passes through interior thermally conductive sheet and outer thermally conductive sheet caused by stator disc coil
Distribute, although can so reduce the temperature of stator disc to a certain extent, beneficial to radiating, it is fixed effectively to avoid
The deformation of sub-disk.
The content of the invention
In view of this, the embodiments of the invention provide a kind of disk type electric machine stator disk and there is its disc type electric machine and its system
Method is made, thermal deformation easily occurs in use to solve the stator disc of existing iron-core-free disc motor, easily causes to turn
Sub-disk and stator disc produce contact friction, the problem of electric motor short circuit accident occurs.
Therefore, the invention provides following technical scheme：
The invention provides a kind of disk type electric machine stator disk, including：At least two stator disc bodies, each stator disc
Body is respectively provided with close to the first face of rotor disk and the second face away from rotor disk, and forming several on second face is used for
The groove of fixed stator winding is installed；Wherein, the second face of at least two stator disc bodies is oppositely arranged, and it is whole to form one
Body structure.
Alternatively, at least two stator disc bodies are connected by attachment structure.
Alternatively, the attachment structure is high-temperature-resistant adhesive, or is molded on the second face of the stator disc body
The projection and depression being mutually adapted.
Alternatively, several first through hole are distributed with close to outer peripheral position annular in the stator disc body, and first is solid
Determine part to insert in the first through hole so that at least two stator disc bodies to be fixed.
Alternatively, several the second through holes are distributed with close to the position annular of inward flange in the stator disc body, and second is solid
Determine part to insert in second through hole so that at least two stator disc bodies are carried out into secondary fixation.
Alternatively, the stator disc body is plastic material.
Present invention also offers a kind of manufacture method of disk type electric machine stator disk, including disk type electric machine stator described above
Disk, in addition to：Fixed stator winding is installed in several grooves in the second face of the stator disc body away from rotor disk, will
Install at least two after the stator winding stator disc bodies be connected as in a manner of the second face is oppositely arranged one it is whole
Body structure.
Alternatively, methods described also includes：The step of thermal finalization processing is carried out to the overall structure after connection.
Alternatively, the temperature of the thermal finalization processing is not less than 70 DEG C.
Present invention also offers a kind of flywheel accumulator disc type electric machine, including above-mentioned disk type electric machine stator disk.
Technical solution of the present invention, have the following advantages that：
1. the invention provides a kind of disk type electric machine stator disk, the wherein stator disc includes at least two stator disc bodies,
Each stator disc body is respectively provided with close to the first face of rotor disk and the second face away from rotor disk, is formed on the second face some
The individual groove for being used to install fixed stator winding, the second face of wherein at least two stator disc body is oppositely arranged, and forms one
Overall structure.Because the thermal deformation of stator disc body is generally toward the buckling deformation of groove surface, therefore the present invention will at least two
The one side that individual stator disc body forms groove surface is oppositely arranged, and is fixed as an overall structure, the relative stator of two such
Disk body towards opposite direction deformation under the interaction of the two can cancel out each other, so as to solve existing iron-free
Thermal deformation easily occurs in use for the stator disc of core disc type electric machine, and then causes rotor disk and stator disc to produce contact and rub
Wipe, occur electric motor short circuit accident the problem of.
2. the invention provides a kind of disk type electric machine stator disk, at least two stator disc bodies are connected by attachment structure
Connect fixation.Such at least two stator discs body will form a fastener, stator disc occur thermal deformation after, the two due to
An entirety is fixed as, deformation can just cancel out each other, without the operating due to motor, at least two stator disc bodies hair
It is estranged from so as to not have the effect cancelled out each other of deformation.
3. the invention provides a kind of disk type electric machine stator disk, the stator disc body is close to outer peripheral position annular point
Several first through hole are furnished with, several the second through holes are distributed with close to the position annular of inward flange in the stator disc body.This
Sample not only allows at least two stator disc bodies by inserting the first fixture in first through hole and the second through hole respectively
Be fixed with the second fixture, prevent rotate when coming off, if can also mutually be bonded at least two stator disc bodies and
A dry stator winding needs accurately to control angle during certain angle difference.
4. present invention also offers a kind of manufacture method of disk type electric machine stator disk, the stator disc body is away from rotor disk
The second face several grooves in fixed stator winding is installed, at least two stators after the stator winding will be installed
Disk body is connected as an overall structure in a manner of the second face is oppositely arranged, and manufacture method is simple, and cost is relatively low, and reaches and subtract
The requirement of small stator disc deflection.
5. the invention provides a kind of manufacture method of disk type electric machine stator disk, in addition to the overall knot after connection
Structure carries out the step of thermal finalization processing.Stator disc after connection not only make it that connection is more firm after thermal finalization is handled, also
It reduce further heat distortion amount.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation one of disc type electric machine；
Fig. 2 is the structural representation two of disc type electric machine；
Fig. 3 is a schematic diagram of disk type electric machine stator disk according to embodiments of the present invention；
Fig. 4 is a schematic diagram of the stator disc body of disk type electric machine stator disk according to the preferred embodiment of the invention；
Fig. 5 is another schematic diagram of the stator disc body of disk type electric machine stator disk according to the preferred embodiment of the invention；
Fig. 6 is the schematic diagram of another embodiment of disk type electric machine stator disk；
Wherein, 11- stator discs body, 12- grooves, 13- first through hole, the through holes of 14- second, the faces of 15- first, 16- second
Face, 17- rotor disks, 18- stator discs, 19- machine shafts, 20- gas gap planes, the 21- magnetic lines of force.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be with
It is the connection of two element internals, can is wireless connection or wired connection.For one of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It is be combined with each other into conflict can.
Embodiment 1
A kind of disk type electric machine stator disk is provided in the present embodiment, and in order to more clearly show groove, what Fig. 3 was shown is
The structural representation that two stator disc bodies 11 separate, the disk type electric machine stator disk include two stator disc bodies 11, the stator
The material of disk body 11 is magnetic dielectric, and such as plastics or other non-metallic materials, each stator disc body 11 is respectively provided with close
First face 15 of rotor disk and the second face 16 away from rotor disk, several are formed on second face 16 and is used to fixation be installed
The groove 12 of stator winding；Generally comprise two rotor disks 17 up and down in disc type electric machine, stator disc positioned at two rotor disks 17 it
Between, the rotor disk 17 that the present embodiment is mentioned is for one of them；Wherein, the second face 16 of two stator disc bodies 11
It is oppositely arranged, and forms an overall structure, be i.e. the relatively smooth one side of two stator disc bodies 11 is close to the of rotor disk
Simultaneously 15.Due to stator disc body 11 thermal deformation generally toward shaping fluted 12 the second face 16 buckling deformation, such as
Warp direction shown in Fig. 3, the present embodiment are opposite by the second face 16 that two stator disc bodies 11 are molded to fluted 12
Set, and be fixed as an overall structure, and by stator winding integral built-in in groove 12, this kind of structure design of stator disc,
Protective layer not only is formed to stator winding, the deformation of two relative stator disc bodies 11 is cancelled out each other, solves
Thermal deformation easily occurs in use for the stator disc of existing iron-core-free disc motor, and then causes rotor disk and stator disc to produce
Raw contact friction, the problem of electric motor short circuit accident occurs.
Two stator disc bodies 11 in above-mentioned embodiment are connected by attachment structure, i.e. the phase of the second face 16
One overall structure is fixed as by attachment structure to two stator disc bodies 11 of setting.Specifically, two stator disc bodies
11 are adhesively fixed by high-temperature-resistant adhesive, such as epoxide-resin glue.Two stator bodies 11 are fixed by attachment structure
Connection, on the one hand protective layer can be formed to stator winding, on the other hand can improve the integral rigidity of stator disc.
Disk type electric machine stator disk in above-mentioned embodiment, in one alternate embodiment, the stator disc body lean on
Nearly outer peripheral position annular is distributed with several first through hole 13, the position of the first through hole 13 can be it is equally distributed,
As shown in figure 4, so that two stator disc bodies 11 to be fixed in the first fixture insertion first through hole 13, the first fixture can be
Alignment pin, when two stator disc bodies 11 are bonded using high-temperature-resistant adhesives, and when adhesive is not also dry, in first through hole
Alignment pin is inserted in 13, positioning is carried out tight to the stator disc body 11 of two bondings；Stator disc is being attached to flywheel shell
During as motor stator, it can be used bolt that stator disc is attached on housing by first through hole 13.
Fig. 5 is another schematic diagram of the stator disc body of disk type electric machine stator disk according to the preferred embodiment of the invention,
Several the second through holes 14 are distributed with close to the position annular of inward flange in stator disc body 11, and the position of second through hole 14 can be with
It is equally distributed, the second fixture is inserted in the second through hole 14 so that two stator disc bodies 11 are carried out into secondary fixation.Tool
Body, if two stator disc bodies 11 are fixed simply by first through hole 13 tightly, with the operating of motor, fix
Two stator disc bodies 11 being integrated occur that inner ring loosens, and it is thickening to be tightly fastened inner ring relative to outer ring, easily makes stator
Friction is produced between disk and rotor disk, causes electric motor short circuit, thus it is right by the second fixture such as the second through hole 14 of bolt insertion
Two stator disc bodies 11 carry out secondary fixation, can avoid above mentioned problem, strengthen the pressure force of stator disc, prevent stator disc body
11 come off.
Fig. 6 is the schematic diagram of another embodiment of disk type electric machine stator disk, and the stator disc includes 3 stator discs
Body 11, such as in three-phase disc type motor, coil can be respectively arranged in the groove 12 of 3 stator disc bodies 11 and forms three
Phase coil, i.e. stator winding, two of which stator disc body 11 form of the groove 12 for installing fixed stator winding
Two faces 16 are oppositely arranged, and the first face 15 of another stator disc body 11 is shiny surface towards rotor disk 17, three stator disc sheets
Body 11 forms overall structure.In other embodiments, the quantity of stator disc body 11 can be configured as needed.
Simultaneously as have stator winding in the groove 12 of each stator disc body 11, therefore when assembling three-phase windings, because each
The position of first through hole 13 on stator disc body 11 is identical, can be according to three stator discs of position adjustment of the first through hole 13
Space angle between the winding of body 11, form it into 120 degree of electrical angle or meet the electrical angle of other requirements.
As a kind of alternative embodiment, two stator disc bodies 11 can also be by being molded over the of stator disc body 11
The projection being mutually adapted and depression on two faces 16 are realized and fixed, or other companies that other skilled in the art can associate
Mode is connect, all within protection scope of the present invention.
Embodiment 2
A kind of manufacture method of disk type electric machine stator disk is provided in the present embodiment, is specially：First in stator disc sheet
Fixed stator winding is installed in several grooves 12 in the second face 16 of the body 11 away from rotor disk 17, then stator winding will be installed
At least two stator disc bodies 11 afterwards in a manner of the second face 16 is oppositely arranged by high-temperature-resistant adhesive be connected as one it is whole
Body structure.This kind of structure design arrangement of stator disc, allows the deformation of two relative stator disc bodies 11 to cancel out each other, solves
Thermal deformation easily occurs in use for the stator disc of existing iron-core-free disc motor of having determined, and easily causes rotor disk and stator
Disk produce contact friction, occur electric motor short circuit accident the problem of.
In a detailed embodiment, the manufacture method of the disk type electric machine stator disk also includes tying the entirety after connection
Structure carries out the step of thermal finalization processing.Specifically, by the stator disc bonded or it is fixed as integrally-built stator disc and is put into
Baking box carries out thermal finalization processing, and steel plate when thermal finalization is handled on stator disc using constant weight presses, and the temperature of baking box is general
More than 70 DEG C are arranged on, the time of sizing determines according to the characteristic of the material of stator disc body 11, in stator disc not redeformation
Complete sizing.
Embodiment 3
Present invention also offers a kind of flywheel energy storage disc type electric machine, the motor includes the disc type electricity in above-mentioned specific embodiment
Machine stator disk, the flywheel energy storage disc type electric machine performance is high, and the structure design arrangement of stator disc makes two relative stator discs
The deformation of body 11 can cancel out each other, and extend service life.
In summary, by the disk type electric machine stator disk of the embodiment of the present invention, by least two stator disc bodies 11 into
Second face of type fluted 12 is oppositely arranged, and is fixed as an overall structure, makes the deformation of two relative stator disc bodies 11
It can cancel out each other, thermal deformation easily occurs in use for the stator disc for solving existing iron-core-free disc motor, easily
Rotor and stator is caused to produce contact friction, the problem of electric motor short circuit accident occurs.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (10)
- A kind of 1. disk type electric machine stator disk, it is characterised in that including：At least two stator disc bodies (11), each stator disc body (11) are respectively provided with close to the first face of rotor disk (17) (15) and the second face (16) away from rotor disk (17), several are formed on second face (16) and is used to fixed stator be installed The groove (12) of winding；Wherein, the second face of at least two stator disc bodies (11) is oppositely arranged, and forms an overall structure.
- 2. disk type electric machine stator disk according to claim 1, it is characterised in that at least two stator disc bodies (11) It is connected by attachment structure.
- 3. disk type electric machine stator disk according to claim 2, it is characterised in that the attachment structure bonds for high temperature resistant Agent, or the projection being mutually adapted and the depression being molded on the second face (16) of the stator disc body (11).
- 4. according to the disk type electric machine stator disk described in claim any one of 1-3, it is characterised in that the stator disc body (11) Several first through hole (13) are distributed with close to outer peripheral position annular, the first fixture is inserted in the first through hole (13) So that at least two stator disc bodies (11) are fixed.
- 5. disk type electric machine stator disk according to claim 4, it is characterised in that the stator disc body (11) is close to inner edge The position annular of edge is distributed with several the second through holes (14), and the second fixture is inserted in second through hole (14) with will at least Two stator disc bodies (11) carry out secondary fixation.
- 6. according to the disk type electric machine stator disk described in claim any one of 1-5, it is characterised in that the stator disc body (11) For plastic material.
- 7. a kind of manufacture method of disk type electric machine stator disk, including the disc type electric machine any one of the claims 1-6 Stator disc, it is characterised in that also include：The installation fixed stator in several grooves (12) in second face (16) of the stator disc body (11) away from rotor disk Winding, the side at least two stator disc bodies (11) after the stator winding will be installed be oppositely arranged with the second face (16) Formula is connected as an overall structure.
- 8. the manufacture method of disk type electric machine stator disk according to claim 7, it is characterised in that also include：After connection The overall structure carry out thermal finalization processing the step of.
- 9. the manufacture method of disk type electric machine stator disk according to claim 8, it is characterised in that the thermal finalization processing Temperature is not less than 70 DEG C.
- 10. a kind of flywheel accumulator disc type electric machine, it is characterised in that including the disk any one of the claims 1-6 Formula motor stator disk.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711243389.2A CN107800208A (en) | 2017-11-30 | 2017-11-30 | A kind of disk type electric machine stator disk and there is its disc type electric machine and its manufacture method |
| PCT/CN2018/088115 WO2019104963A1 (en) | 2017-11-30 | 2018-05-24 | Disc-type motor stator disc, disc-type motor having same and manufacturing method for disc-type motor stator disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711243389.2A CN107800208A (en) | 2017-11-30 | 2017-11-30 | A kind of disk type electric machine stator disk and there is its disc type electric machine and its manufacture method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107800208A true CN107800208A (en) | 2018-03-13 |
Family
ID=61538328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711243389.2A Pending CN107800208A (en) | 2017-11-30 | 2017-11-30 | A kind of disk type electric machine stator disk and there is its disc type electric machine and its manufacture method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107800208A (en) |
| WO (1) | WO2019104963A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019104963A1 (en) * | 2017-11-30 | 2019-06-06 | 二重德阳储能科技有限公司 | Disc-type motor stator disc, disc-type motor having same and manufacturing method for disc-type motor stator disc |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107800208A (en) * | 2017-11-30 | 2018-03-13 | 北京大块科技有限公司 | A kind of disk type electric machine stator disk and there is its disc type electric machine and its manufacture method |
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2017
- 2017-11-30 CN CN201711243389.2A patent/CN107800208A/en active Pending
-
2018
- 2018-05-24 WO PCT/CN2018/088115 patent/WO2019104963A1/en active Application Filing
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| CN103326488A (en) * | 2013-07-04 | 2013-09-25 | 无锡东元电机有限公司 | Double-section pole-skewed permanent magnet wind generator rotor and core lamination and process |
| CN203645505U (en) * | 2013-10-25 | 2014-06-11 | 李保金 | DC brushless coreless dual-rotor motor |
| CN205829343U (en) * | 2016-06-22 | 2016-12-21 | 沈阳工业大学 | A stator winding support for a double-rotor disc motor |
| CN207664722U (en) * | 2017-11-30 | 2018-07-27 | 北京大块科技有限公司 | A kind of disk type electric machine stator disk and the disc type electric machine with it |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019104963A1 (en) * | 2017-11-30 | 2019-06-06 | 二重德阳储能科技有限公司 | Disc-type motor stator disc, disc-type motor having same and manufacturing method for disc-type motor stator disc |
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| WO2019104963A1 (en) | 2019-06-06 |
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