CN109639004A - A kind of rotor of vehicle, disc type electric machine and disc type electric machine - Google Patents
A kind of rotor of vehicle, disc type electric machine and disc type electric machine Download PDFInfo
- Publication number
- CN109639004A CN109639004A CN201910067248.2A CN201910067248A CN109639004A CN 109639004 A CN109639004 A CN 109639004A CN 201910067248 A CN201910067248 A CN 201910067248A CN 109639004 A CN109639004 A CN 109639004A
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- China
- Prior art keywords
- rotor
- magnetic steel
- disc motor
- magnetic
- fixing piece
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 99
- 239000010959 steel Substances 0.000 claims abstract description 99
- 238000009434 installation Methods 0.000 claims abstract description 10
- 241000239290 Araneae Species 0.000 description 39
- 230000006978 adaptation Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 210000002421 cell wall Anatomy 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
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
- H02K1/2793—Rotors axially facing stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
- H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
本发明涉及一种车辆、盘式电机及盘式电机的转子。该盘式电机的转子包括转子支架和磁钢，所述转子支架上设有磁钢槽结构，所述磁钢槽结构具有多个用于安装所述磁钢的安装位，所述磁钢的沿径向方向上延伸的侧面为斜面，两个相邻磁钢相对侧面的倾斜方向相反从而形成外大内小的扩口形状的固定槽，所述固定槽内安装有与其形状适配的固定件，所述固定件通过紧固件与所述转子支架固定连接。固定件与转子支架固定后与磁钢形成类似燕尾状斜面的配合形式，整体结构紧凑，在盘式电机工作时，转子支架在不影响气隙长度的同时具有较小的体积和重量，结构简单，装配难度低。
The present invention relates to a vehicle, a disc motor and a rotor of the disc motor. The rotor of the disc motor includes a rotor bracket and a magnetic steel, the rotor bracket is provided with a magnetic steel slot structure, and the magnetic steel slot structure has a plurality of installation positions for installing the magnetic steel. The sides extending in the radial direction are inclined planes, and the inclination directions of the opposite sides of the two adjacent magnets are opposite to form a fixing groove with a flared shape that is large on the outside and small on the inside. The fixing piece is fixedly connected with the rotor support through a fastener. After the fixing part and the rotor bracket are fixed, they form a dovetail-like inclined surface with the magnetic steel, and the overall structure is compact. When the disc motor is working, the rotor bracket has a small volume and weight without affecting the length of the air gap, and the structure is simple. , the assembly difficulty is low.
Description
Technical field
The present invention relates to the rotors of a kind of vehicle, disc type electric machine and disc type electric machine.
Background technique
Disc type electric machine is called dish-style motor, different from the radial magnetic field of traditional cylindrical electrical machine, and disc type electric machine air gap is
Plane, air-gap field are axial type, have the characteristics that small in size, light-weight, structure is simple, while also having power/volume
It is a kind of widely used motor than the advantage that high, power factor (PF) is high, required inverter capacity is small.Currently, most of disc type electricity
Machine stator is coil, and rotor is the disk for being equipped with magnet steel or permanent magnet, and the fixed form of rotor upper magnetic steel influences whether whole
The production and processing progress of a rotor and the magnetic flux rate of rotor surface, and then influence the performance of entire motor and pushing away for disc type electric machine
Wide and application.
If notification number is CN101919140B, the day for announcing is that the Chinese patent of 2013.02.13 discloses one kind for motor
Rotor, circumferentially spaced on the end face of rotor to be equipped with multiple mounting holes, mounting hole runs through rotor, is equipped in mounting hole permanent
Magnet limits permanent magnet in axial and circumferential by slip feather configuration, simplifies assembling, be stably maintained at magnet more suitable
When position.But the structure needs corresponding position on the permanent magnet to open up tongue-and-groove, processing technology is complicated, processing cost
It is high.
Notification number is CN203504325U, and the day for announcing is that the Chinese patent of 2014.03.26 discloses a kind of bimorph transducer axial direction
The magnet fixing structure of permanent of magnetic field brushless direct current motor rotor, the fixed structure include rotor field spider, along week on rotor field spider
To mounting hole is evenly equipped with, permanent magnet is installed in mounting hole, the periphery of permanent magnet is surrounded by fixinig plate, is surrounded by the permanent magnet of fixinig plate
It is embedded in mounting hole, fixinig plate both ends are bent along the end face of permanent magnet and side corner, and packet is affixed on permanent magnet respectively
Upper and lower end face, but the fixinig plate protrusion of this fixed mechanism influences whether the gas length of disc type electric machine on magnet steel surface；Separately
Outside, if fixinig plate is too thin, permanent magnet is easy to loosen to be detached from again.
Notification number is CN204578231U, and the day for announcing is that the Chinese patent of 2015.08.19 discloses a kind of magneto turn
Son, the rotor include rotor disk, multiple magnet and briquetting and fixing piece for being fixed on magnet in rotor disk, rotor
Taper mounting groove is processed in disk, magnet is fixed in rotor disk in a manner of cone match.The assembly method of cone match is assembled
When to guarantee assembly precision, processing and assembly difficulty are higher.
Notification number is CN207200410U, and the day for announcing is that the Chinese patent of 2018.04.06 discloses a kind of disc type electric machine
Rotor magnetic steel fixed structure, the fixed structure include rotor disk, and rotor disk is along the circumferential direction distributed with multiple for mounting magnetic steel
Magnetic slot, the radial both ends of magnet steel are fixed in magnetic slot by fixing piece and at least one is surface exposed, magnet steel it is outer
Surface flush where revealing surface and rotor disk upper magnetic steel slot notch.But this structure is fixed by radial both ends, to motor
Radial dimension virtually expanded, in the lesser situation of magnet thickness, the mechanical strength of both ends fixing piece is reduced,
This fixed structure should not just be used.
In conclusion providing, a kind of processing technology is simple, assembly difficulty and at low cost and with works fine performance
Disc type electric machine becomes urgent problem to be solved.
Summary of the invention
The purpose of the present invention is to provide a kind of processing technology is simple, assembly difficulty and at low cost and there is works fine
The disc type electric machine of performance；The object of the invention is also to provide a kind of rotors of disc type electric machine；The present invention also aims to mention
For a kind of vehicle.
In order to reach above-mentioned technical purpose, technical solution used by the rotor of disc type electric machine of the present invention is as follows: the disc type
The rotor of motor includes rotor field spider and magnet steel, and the rotor field spider is equipped with magnet steel slot structure, and the magnet steel slot structure has
Multiple installation positions for being used to install the magnet steel, radially the upper side extended is inclined-plane, two adjacent magnetic to the magnet steel
The inclined direction of steel opposite flank to form the fixing groove of the small flare form of outer imperial palace, is equipped in the fixing groove on the contrary
With the fixing piece of its shape adaptation, the fixing piece is fixedly connected by fastener with the rotor field spider.
Further, the magnet steel slot structure includes multiple magnetic slots circumferentially distributed along the rotor field spider, two phases
The mounting part for installing the fixing piece is equipped between adjacent magnetic slot.
Further, the magnet steel be split type sector structure, the magnet steel by multiple strips fan-shaped ring structure son
Magnet steel is put together.
Further, the fastener is holding screw, and the fixing piece is that section is trapezoidal strip structure, fixed
More than two through-holes passed through for holding screw are equipped at intervals on part along its length, the through-hole is the head with holding screw
The round platform hole of adaptation.
Further, the rotor field spider is axial ends symmetrical structure, the end face of the rotor field spider axial ends
On be respectively provided with the magnet steel slot structure, the radially staggered cloth of the position of the fastener of rotor field spider axial ends along rotor field spider
It sets.
The rotor of disc type electric machine of the present invention has the following beneficial effects: the magnet steel of the rotor of the disc type electric machine radially
The side of upper extension uses inclined-plane, and the inclined direction of two adjacent magnet steel opposite flanks is on the contrary to form the small flaring of outer imperial palace
The fixing groove of shape, the fixing piece of installation and its shape adaptation in fixing groove, fixing piece and rotor field spider it is fixed after with magnet steel shape
At the fit form on similar dovetail shaped inclined-plane, compact overall structure, in disc type electric machine work, rotor field spider is not influencing air gap
There is lesser volume and weight, structure is simple, and assembly difficulty is low while length.
Technical solution used by disc type electric machine of the present invention is as follows: the disc type electric machine includes stator and rotor, the rotor
Including rotor field spider, the rotor field spider is equipped with magnet steel slot structure, and the magnet steel slot structure has multiple described for installing
The installation position of magnet steel, radially the upper side extended is inclined-plane, the inclination of two adjacent magnet steel opposite flanks to the magnet steel
The contrary fixing groove to form the small flare form of outer imperial palace is equipped in the fixing groove and to consolidate with its shape adaptation
Determine part, the fixing piece is fixedly connected by fastener with the rotor field spider.
Further, the magnet steel slot structure includes multiple magnetic slots circumferentially distributed along the rotor field spider, two phases
The mounting part for installing the fixing piece is equipped between adjacent magnetic slot.
Further, the magnet steel be split type sector structure, the magnet steel by multiple strips fan-shaped ring structure son
Magnet steel is put together.
Further, the fastener is holding screw, and the fixing piece is that section is trapezoidal strip structure, fixed
More than two through-holes passed through for holding screw are equipped at intervals on part along its length, the through-hole is the head with holding screw
The round platform hole of adaptation.
Further, the rotor field spider is axial ends symmetrical structure, the end face of the rotor field spider axial ends
On be respectively provided with the magnet steel slot structure, the radially staggered cloth of the position of the fastener of rotor field spider axial ends along rotor field spider
It sets.
Technical solution used by vehicle of the present invention is as follows: the vehicle includes disc type electric machine, and the disc type electric machine includes turning
Son and stator, the rotor include rotor field spider and magnet steel, and the rotor field spider is equipped with magnet steel slot structure, the magnetic slot knot
Structure has multiple for installing the installation positions of the magnet steel, and radially the upper side extended is inclined-plane to the magnet steel, and two
The inclined direction of adjacent magnet steel opposite flank is on the contrary to form the fixing groove of the small flare form of outer imperial palace, in the fixing groove
Fixing piece with its shape adaptation is installed, the fixing piece is fixedly connected by fastener with the rotor field spider.
Further, the magnet steel slot structure includes multiple magnetic slots circumferentially distributed along the rotor field spider, two phases
The mounting part for installing the fixing piece is equipped between adjacent magnetic slot.
Further, the magnet steel be split type sector structure, the magnet steel by multiple strips fan-shaped ring structure son
Magnet steel is put together.
Further, the fastener is holding screw, and the fixing piece is that section is trapezoidal strip structure, fixed
More than two through-holes passed through for holding screw are equipped at intervals on part along its length, the through-hole is the head with holding screw
The round platform hole of adaptation.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the embodiment 1 of the rotor of disc type electric machine of the present invention；
Fig. 2 is the cross-sectional view of Fig. 1；
Fig. 3 is the sectional view of rotor field spider, magnet steel and fixing piece installation diagram in Fig. 1；
Fig. 4 is the structural schematic diagram of magnet steel in Fig. 1；
Fig. 5 is the sectional view of magnet steel in Fig. 4；
Fig. 6 is structural representation Fig. 1 of fixing piece in Fig. 1；
Fig. 7 is structural representation Fig. 2 of fixing piece in Fig. 1；
Fig. 8 is the sectional view of Fig. 7；
Fig. 9 is the structural schematic diagram of the embodiment 2 of the rotor of invention disc type electric machine.
Description of symbols: 1. rotor field spiders；2. magnet steel；21. side；3. fixing piece；31. through-hole；4. holding screw.
Specific embodiment
Below by specific embodiment combination attached drawing, the present invention will be described in detail, it should be noted that in the feelings not conflicted
Under condition, the feature in embodiment and embodiment in the present invention be can be combined with each other, and the scope of protection of the present invention is not limited thereto.
The embodiment 1 of disk type electric motor rotor of the present invention, as shown in Figures 1 to 8, the rotor of the disc type electric machine include rotor branch
Frame 1 and magnet steel, circumferentially distributed on rotor field spider 1 to have multiple magnet steel slot structures for mounting magnetic steel 2, magnet steel slot structure has
Multiple installation positions for mounting magnetic steel, the thickness of magnet steel 2 are greater than the depth of magnetic slot, the side that magnet steel 2 extends in a radial direction
Face 21 is inclined-plane, and the inclined direction of the opposite flank of two adjacent magnet steel 2 is on the contrary to form the small flare form of outer imperial palace
Fixing groove, the fixing piece 3 with its shape adaptation is equipped in fixing groove, and fixing piece 3 connects by the way that fastener and rotor field spider are fixed
It connects.
In the present embodiment, magnet steel slot structure includes multiple magnetic slots circumferentially distributed along the rotor field spider 1, two phases
The mounting part for installing the fixing piece is equipped between adjacent magnetic slot, rotor field spider 1 is that axial ends is symmetrically tied
Structure is equipped with magnetic slot on the end face of 1 axial ends of rotor field spider, and the position of the fastener of 1 two sides of rotor field spider is along rotor branch
The radially staggered arrangement of frame 1.The rotor field spider 1 of this spline structure can install bilayer under the premise of meeting Mechanical Structure Strength
Magnet steel 2 improves the working efficiency of disc type electric machine.
In the present embodiment, magnet steel 2 is split type sector structure, and magnet steel 2 is put together by the sub- magnet steel 2 of multiple sectors, this
Kind structure can reduce eddy-current loss when disc type electric machine work, improve the working efficiency of disc type electric machine.The side 21 of magnet steel 2
Tilt angle can be 10~20 °, be adopted as the inclined-plane that tilt angle is 15 ° here, and the cell wall of the two sides of magnetic slot is to face directly,
Magnetic slot plays the positioning action of circumferencial direction to magnet steel 2, and the cell wall of magnetic slot is to face directly, and processing technology is simple, and can protect
Demonstrate,prove precision.
In the present embodiment, fastener is holding screw 4, and fixing piece 3 is that section is trapezoidal strip structure, fixing piece
Being equipped at intervals with along its length on 3 is three through-holes passed through for holding screw 4, and through-hole is to be adapted to the head of holding screw 4
Round platform hole.
Multiple magnet steel 2 during installation, are first respectively charged on 1 one end faces of rotor field spider by the rotor of above-mentioned disc type electric machine
In multiple magnetic slots, it is packed into fixing piece 3 between adjacent magnet steel 2, the through-hole on fixing piece 3 is then passed through with holding screw 4
It is fixedly connected with the mounting part on rotor field spider 1, the mating surface on 15 ° of inclined-planes of magnet steel 2 and fastener formation completes rotor branch
The fixation of 1 one end face upper magnetic steels 2 of frame consolidates magnet steel 2 using same fixing means on another end face of rotor field spider 1
It is fixed.
Radially the upper side 21 extended uses inclined-plane, two adjacent magnetic to the magnet steel 2 of the rotor of above-mentioned disc type electric machine
The inclined direction of 2 opposite flank of steel on the contrary to form the fixing groove of the small flare form of outer imperial palace, installed in fixing groove and its
The fixing piece 3 of shape adaptation forms the cooperation shape on similar dovetail shaped inclined-plane with magnet steel 2 after fixing piece 3 is fixed with rotor field spider 1
Formula, compact overall structure, in disc type electric machine work, rotor field spider 1 has lesser body while not influencing gas length
Long-pending and weight, structure is simple, and assembly difficulty is low.
The embodiment 2 of the rotor of disc type electric machine of the present invention, difference from example 1 is that, as shown in figure 9, magnet steel 2
Or the sector structure of monoblock type.
In other embodiments, the quantity of through-hole can make phase according to the radial dimension of size of rotor field spider on fixing piece
The adjustment answered, the quantity of holding screw and the quantity of through-hole are corresponding.For example, setting through-hole is arranged two or four.
The embodiment of disc type electric machine of the present invention, the disc type electric machine include rotor and stator, and rotor and foregoing invention disc type are electric
The structure of any embodiment of the rotor of machine is identical, is not repeated to illustrate.
The embodiment of vehicle of the present invention, the vehicle include disc type electric machine, and disc type electric machine includes stator and rotor, rotor with it is upper
The structure for stating any embodiment of the rotor of disc type electric machine of the present invention is identical, is not repeated to illustrate.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067248.2A CN109639004A (en) | 2019-01-24 | 2019-01-24 | A kind of rotor of vehicle, disc type electric machine and disc type electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067248.2A CN109639004A (en) | 2019-01-24 | 2019-01-24 | A kind of rotor of vehicle, disc type electric machine and disc type electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109639004A true CN109639004A (en) | 2019-04-16 |
Family
ID=66063342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910067248.2A Pending CN109639004A (en) | 2019-01-24 | 2019-01-24 | A kind of rotor of vehicle, disc type electric machine and disc type electric machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN109639004A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111682666A (en) * | 2020-05-21 | 2020-09-18 | 杭州中豪电动科技有限公司 | Single rotor disc applied to disc type motor |
| CN111786483A (en) * | 2020-08-18 | 2020-10-16 | 浙江盘毂动力科技有限公司 | A disc motor and its rotor |
| CN112152354A (en) * | 2020-08-19 | 2020-12-29 | 沈阳工业大学 | Surface insertion type permanent magnet disc type motor rotor |
| CN113037035A (en) * | 2021-04-30 | 2021-06-25 | 江苏中关赛恩汽车电机研究院有限公司 | A frock for new energy automobile motor rotor encapsulating |
| CN113612358A (en) * | 2021-08-05 | 2021-11-05 | 浙江盘毂动力科技有限公司 | A method of forming a rotor of a disc motor |
| EP4325697A4 (en) * | 2021-05-31 | 2024-06-19 | Huawei Digital Power Technologies Co., Ltd. | Electric motor rotor, drive electric motor and electric vehicle |
| DE102023113755A1 (en) * | 2023-05-25 | 2024-11-28 | Schaeffler Technologies AG & Co. KG | magnetic element, rotor and axial flux machine |
| FR3156259A1 (en) * | 2023-12-04 | 2025-06-06 | Valeo Eautomotive Germany Gmbh | Rotor for axial flux motor |
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| CN202840738U (en) * | 2012-09-28 | 2013-03-27 | 深圳市瀚美特科技有限公司 | Permanent magnet axial DC motor and permanent magnet iron-coreless DC motor rotor assembly thereof |
| US20140152136A1 (en) * | 2012-12-03 | 2014-06-05 | Boulder Wind Power, Inc. | Devices and methods for magnetic pole retention in electromagnetic machines |
| CN206894382U (en) * | 2017-07-03 | 2018-01-16 | 苏州英磁新能源科技有限公司 | A kind of antidetonation disk type electric motor rotor |
| CN107959366A (en) * | 2017-12-28 | 2018-04-24 | 郑州德盛祥电机制造有限公司 | The magnet steel briquetting of magneto, the rotor of magneto and rotor |
| CN209402269U (en) * | 2019-01-24 | 2019-09-17 | 三门峡速达交通节能科技股份有限公司 | The rotor of vehicle, disc type electric machine and disc type electric machine |
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| CN202840738U (en) * | 2012-09-28 | 2013-03-27 | 深圳市瀚美特科技有限公司 | Permanent magnet axial DC motor and permanent magnet iron-coreless DC motor rotor assembly thereof |
| US20140152136A1 (en) * | 2012-12-03 | 2014-06-05 | Boulder Wind Power, Inc. | Devices and methods for magnetic pole retention in electromagnetic machines |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111682666A (en) * | 2020-05-21 | 2020-09-18 | 杭州中豪电动科技有限公司 | Single rotor disc applied to disc type motor |
| CN111682666B (en) * | 2020-05-21 | 2022-04-15 | 杭州中豪电动科技有限公司 | Single rotor disc applied to disc type motor |
| CN111786483A (en) * | 2020-08-18 | 2020-10-16 | 浙江盘毂动力科技有限公司 | A disc motor and its rotor |
| CN112152354A (en) * | 2020-08-19 | 2020-12-29 | 沈阳工业大学 | Surface insertion type permanent magnet disc type motor rotor |
| CN112152354B (en) * | 2020-08-19 | 2023-01-13 | 沈阳工业大学 | Surface insertion type permanent magnet disc type motor rotor |
| CN113037035A (en) * | 2021-04-30 | 2021-06-25 | 江苏中关赛恩汽车电机研究院有限公司 | A frock for new energy automobile motor rotor encapsulating |
| CN113037035B (en) * | 2021-04-30 | 2022-02-18 | 江苏中关赛恩汽车电机研究院有限公司 | A frock for new energy automobile motor rotor encapsulating |
| EP4325697A4 (en) * | 2021-05-31 | 2024-06-19 | Huawei Digital Power Technologies Co., Ltd. | Electric motor rotor, drive electric motor and electric vehicle |
| CN113612358A (en) * | 2021-08-05 | 2021-11-05 | 浙江盘毂动力科技有限公司 | A method of forming a rotor of a disc motor |
| DE102023113755A1 (en) * | 2023-05-25 | 2024-11-28 | Schaeffler Technologies AG & Co. KG | magnetic element, rotor and axial flux machine |
| FR3156259A1 (en) * | 2023-12-04 | 2025-06-06 | Valeo Eautomotive Germany Gmbh | Rotor for axial flux motor |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190416 |
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| RJ01 | Rejection of invention patent application after publication |