Axial flux stator and axial flux motor

Abstract

The invention provides an axial flux stator and an axial flux motor. The axial magnetic flux stator comprises a stator winding which is formed by sequentially distributing a plurality of coils (1) along the circumferential direction; the fixing ring (2) is sleeved on the periphery of the stator winding; a support (3) is placed in the hollow portion of each coil (1), the supports (3) do not protrude out of the two ends of the coil (1) in the axial direction, and each support (3) is fixedly connected with the fixing ring (2) in the radial direction. And each bracket (3) is fixedly connected with the corresponding coil (1). By means of the configuration, the axial air gap space of the motor is not occupied, the performance of the motor is not reduced, and meanwhile the fixing strength of the stator coreless motor winding is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of motor equipment, and in particular, to an axial-flux stator and an axial-flux motor. Background Art

[0002] The axial-flux permanent magnet synchronous motor has the advantages of high torque density and small axial dimension, and has good application prospects in the field of automotive in-wheel motors, among which the double-rotor single-stator topology is the most advantageous. The weight of the in-wheel motor directly affects the unsprung mass of the vehicle. If the unsprung mass is too large, the dynamic response of the vehicle suspension will deteriorate. Therefore, the lightweight design of the in-wheel motor is very important.

[0003] In order to achieve the lightweight design of the axial-flux in-wheel motor, the stator-coreless axial-flux motor is an effective direction. It saves the weight of the stator core compared with the traditional axial-flux motor, but this also brings new problems. That is, in the original motor structure, the stator core is the main winding coil fixing structure. After the motor is changed to a stator-coreless structure, a new method needs to be found for fixing the coils. For the axial-flux motor with a double-rotor single-stator topology, this problem is more prominent because the stator assembly is sandwiched between two rotor discs, and only the outer peripheral surface part is connected to the housing. If the stator core is removed, only an additional mechanical structure can be designed to fix the stator coils. If the fixing strength of the coils is insufficient, there will be risks such as poor durability performance of the coils and high operating noise of the motor.

[0004] A common method for fixing the stator winding of a stator-coreless motor is to set a winding bracket that invades the air gap. The mechanical strength of this scheme is guaranteed, but since the winding bracket invades the air gap, the actual air gap of the motor becomes larger, which will lead to a decline in the performance of the motor. Another common method for fixing the stator winding of a stator-coreless motor is to insert fins between two adjacent winding coils. The fins play a role in fixing the winding coils, and the fins are connected to the outer housing. The advantage of this scheme is that the winding fixing structure does not occupy the air gap of the motor, and the disadvantage is that the fixing strength is slightly poor, and there is a lack of fixation for the inner ends of the winding coils, which will lead to excessive vibration noise and poor durability performance due to the electromagnetic excitation force acting on the inner ends of the winding coils under the load operation of the motor. It can be seen that in the current technical solutions, for the stator-coreless axial-flux motor, there is a lack of a stator winding fixing scheme that can neither invade the air gap of the motor, ensure the fixing strength, and effectively fix the entire winding coil at the same time.

[0005] It should be noted that the information disclosed in the background art part of this application is only intended to deepen the understanding of the general background art of this application, and should not be regarded as an admission or any form of suggestion that this information constitutes the prior art known to those skilled in the art. Summary of the Invention

[0006] To solve the above technical problems, the present invention provides an axial-flux stator and an axial-flux motor. When fixing the stator winding, it hardly encroaches on the air gap of the motor, does not reduce the performance of the motor, and can effectively fix each coil to ensure the mechanical strength of the fixation.

[0007] To achieve the above object, the present invention provides an axial-flux stator, which includes: a stator winding, a fixing ring, and a bracket;

[0008] The stator winding is formed by a plurality of coils distributed in sequence along the circumferential direction; the fixing ring is sleeved on the outer periphery of the stator winding;

[0009] The hollow part of each coil places the bracket; the bracket does not protrude from the two axial ends of the coil; each bracket is radially connected and fixed to the fixing ring; each bracket is connected and fixed to the corresponding coil.

[0010] Preferably, the bracket is provided with a hollow along the axial direction, and glue injection through holes are opened on two opposite wall surfaces of the hollow along the circumferential direction. Through the glue injection through holes, potting glue is used to pot the hollow part of the coil and the corresponding bracket.

[0011] Preferably, the axial-flux stator further includes: a plugging rod; each bracket is radially connected and fixed to the fixing ring through at least one plugging rod.

[0012] Preferably, the plugging rod and the fixing ring are set as an integral structure, and a plurality of plugging rods are arranged inside the fixing ring. The plurality of plugging rods are arranged at intervals along the circumferential direction of the fixing ring, and each plugging rod is inserted into a connection hole of a corresponding bracket.

[0013] Preferably, the bracket is provided with a hollow along the axial direction, and the hollow penetrates the connection hole, dividing the connection hole into two parts. The plugging rod passes through the hollow and is inserted into the two parts of the connection hole at the same time.

[0014] Preferably, the bracket is provided with a hollow along the axial direction, and the hollow allows a bundling member to pass through to bundle and connect the coil and the bracket.

[0015] Preferably, each coil includes two parts spliced axially; after the bracket is radially connected and fixed to the fixing ring, the two parts of the coil are installed on the bracket facing each other, and the bundling member is used to bundle and connect the two parts of the coil and the bracket.

[0016] Preferably, the thickness of the bundling member is less than or equal to 0.1 mm, and / or the bundling member is made of at least one of nylon and fiber.

[0017] Preferably, the bracket is made of a non-magnetic insulating material with a density much lower than that of silicon steel.

[0018] To achieve the above object, the present invention also provides an axial-flux motor, which includes an axial-flux rotor and any one of the axial-flux stators as described above, and the axial-flux stator is located on one side of the axial-flux rotor along the axial direction.

[0019] Compared with the prior art, the technical solution provided by the present invention has at least the following beneficial effects:

[0020] The present invention provides an axial-flux stator and an axial-flux motor. By using a fixing ring and a bracket, each coil in the stator winding can be effectively fixed. Finally, without occupying the axial air-gap space of the motor, the performance of the motor is ensured, and at the same time, the fixing strength of the coreless stator motor winding is also ensured. Moreover, the overall structure can also achieve the light weight of the coreless stator motor, and the overall structure is simple, easy to process, and has low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Those of ordinary skill in the art will understand that the provided drawings are used to better understand the present invention and do not constitute any limitation to the scope of the present invention. Among them:

[0022] Figure 1 is a schematic structural diagram of the axial-flux stator in a preferred embodiment of the present invention, and the coils are omitted outside some brackets in the figure;

[0023] Figure 2 is a schematic structural diagram of the axial-flux stator in a preferred embodiment of the present invention, and coils are sleeved outside all brackets in the figure;

[0024] Figure 3 is a schematic structural diagram of a single bracket in a preferred embodiment of the present invention;

[0025] Figure 4 is a schematic structural diagram of the fixing ring and the insertion rod thereon in a preferred embodiment of the present invention, and the fixing ring and the insertion rod are shown as an integral structure in the figure.

[0026] In the drawings:

[0027] 1 - Coil, 2 - Fixing ring, 21 - Installation notch, 3 - Bracket, 4 - Insertion rod, 11 - Inner end, 12 - Outer end, 13 - Side, 31 - Connection hole, 32 - Hollow, 33 - Glue injection through hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. According to the following description, the advantages and features of the present invention will be clearer. It should be noted that the accompanying drawings are in a very simplified form and are all drawn using non-precise scales, only for the purpose of facilitating and clearly assisting in explaining the purpose provided by the present invention. In order to make the purpose, features and advantages of the present invention more obvious and understandable, please refer to the accompanying drawings. It should be noted that the structures, scales, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those skilled in this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention. Any modification of the structure, change in the proportional relationship or adjustment of the size, in the case of being the same or similar to the effects that the present invention can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed in the present invention.

[0029] It should be noted that in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element. The singular forms "a", "an" and "the" include plural objects, the term "or" is generally used in the sense of including "and / or", the term "several" is generally used in the sense of including "at least one", and the term "at least two" is generally used in the sense of including "two or more".

[0030] In addition, in the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0031] In the description of the present application, it should also be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application. Additionally, the "circumferential direction" described herein generally refers to the direction around the central axis of the axial flux stator, the term "axial direction" generally refers to the direction along the central axis of the axial flux stator, and the term "radial direction" refers to the direction perpendicular to the central axis of the axial flux stator.

[0032] The object of the present invention is to provide an axial flux stator and an axial flux motor to solve the problems existing in the fixation of the stator winding of the existing stator without a core. The following is a description with reference to the drawings.

[0033] Figure 1 and Figure 2 respectively show the structural schematic diagrams of the axial flux stator before potting in the preferred embodiment of the present invention. For the convenience of understanding, Figure 1 the coils are omitted from the outside of some of the brackets in Figure 3 shows the structural schematic diagram of the bracket in the preferred embodiment of the present invention, Figure 4 shows the structural schematic diagram of the fixing ring and the insertion rods thereon in the preferred embodiment of the present invention.

[0034] Specifically, the present invention provides an axial flux stator. This axial flux stator is designed without a core, eliminating the weight of the stator core, and this axial flux stator adopts concentrated windings. As Figures 1 to 4 shown, the axial flux stator provided in this embodiment includes: a coil 1, a fixing ring 2, and a bracket 3.

[0035] The wire for making the coil 1 can be any conductive metal such as copper or aluminum. There are several coils 1, and the specific number should be adjusted according to actual needs. And several coils 1 are distributed in sequence along the circumferential direction to form a stator winding. Each coil 1 has an inner end 11, an outer end 12, and two side portions 13; wherein, the inner end 11 and the outer end 12 are two relative positions in the radial direction, the inner end 11 is close to the center of the stator, and the outer end 12 is farther from the center of the stator relative to the inner end 11; the two side portions 13 are two relative positions in the circumferential direction.

[0036] The fixing ring 2 is sleeved on the outer periphery of the stator winding, so that the fixing ring 2 fixes the outer ends 12 of the respective coils 1, and the fixing ring 2 is also used for connecting with the outer peripheral housing. As an implementation manner, a plurality of mounting notches 21 are provided on the fixing ring 2 along its circumferential direction for cooperating with the protrusions on the outer peripheral housing. Of course, the connection between the fixing ring 2 and the outer peripheral housing can also be realized by other means, and the specific connection manner is not limited.

[0037] The middle of each coil 1 is hollow, and one or more brackets 3 are placed in the hollow part of each coil 1. Preferably, the hollow part of each coil 1 and the bracket 3 are potted with potting glue. Actually, the two opposite circumferential wall surfaces a of the hollow part and the bracket 3 are adhesively fixed with potting glue. Or, in other examples, the two opposite wall surfaces a of the hollow part of the coil 1 and the bracket 3 can also be connected and fixed by a mechanical structure, such as mechanical clamping and the like. Thus, the bracket 3 can effectively fix the coil 1, especially the two opposite side portions 13 of the coil 1 along the circumferential direction.

[0038] Meanwhile, each bracket 3 does not protrude from the two axial ends of the coil 1 and does not encroach on the motor air gap. Specifically, the height of each bracket 3 along the axial direction is set to be less than or equal to the height of the coil 1 along the axial direction. Each bracket 3 also needs to be radially connected and fixed to the fixing ring 2 to limit their relative positions. The bracket 3 and the fixing ring 2 can be an integral structure or a split structure. The integral structure means that the bracket 3 and the fixing ring 2 are an inseparable whole; the split structure means that the bracket 3 and the fixing ring 2 are assembled and connected into one body by a suitable method.

[0039] As an implementation manner, the bracket 3 and the fixing ring 2 are set as a split structure, and they are radially connected and fixed by a plugging rod 4, that is, one end of the plugging rod 4 is fixedly connected to the fixing ring 2, and the other end of the plugging rod 4 is fixedly connected to the bracket 3. The plugging rod 4 realizes positioning and fixing between the bracket 3 and the fixing ring 2. The bracket 3 and the fixing ring 2 can be connected and fixed by one or more plugging rods 4. Preferably, the bracket 3 and the fixing ring 2 are radially connected and fixed by a plugging rod 4, which has a simple structure, is convenient for processing, and reduces the processing cost.

[0040] In one way, the plugging rod 4, the bracket 3 and the fixing ring 2 are assembled and connected into one body by a suitable method. In another way, the plugging rod 4 and the bracket 3 are set as an integral structure, and only the plugging rod 4 needs to be assembled and connected with the fixing ring 2. In this embodiment, the plugging rod 4 and the fixing ring 2 are set as an integral structure, and then the plugging rod 4 is assembled and connected with the bracket 3. It should be noted that when the plugging rod 4 and one of the bracket 3 and the fixing ring 2 are set as an integral structure, the strength is better. In any case, the plugging rod 4 is embedded inside the bracket 3 and does not axially protrude from both ends of the coil 1 in the axial direction. And the plugging rod 4 should be understood as a rigid structure that is not easily deformed. The plugging rod 4 can be set in the shape of a pin or various other shapes, and there is no limitation in this regard.

[0041] In this embodiment, as Figure 4 shown, the plugging rod 4 and the fixing ring 2 are set as an integral structure, and a plurality of plugging rods 4 are arranged inside the fixing ring 2. The plurality of plugging rods 4 are arranged at intervals along the circumferential direction of the fixing ring 2, and each plugging rod 4 is inserted into a corresponding connection hole 31 of one bracket 3. This structure is more convenient for installation and easier to operate. Specifically, during assembly, first insert the bracket 3 onto the plugging rod 4 of the fixing ring 2. After the bracket 3 and the fixing ring 2 are radially connected and fixed, then sleuth the coil 1 onto the bracket 3. At this time, to avoid interference of the plugging rod 4 with the assembly of the coil 1, the coil 1 can be set to include two axially spliced parts. Only need to install the two parts of the coil 1 towards each other on the bracket 3, and then connect the two parts of the coil 1 and the bracket 3. Preferably, the two parts of the coil 1 and the bracket 3 are bundled and connected by a bundling member. Of course, in other cases, the coil 1 is not split into two parts, directly sleuth the coil 1 onto the bracket 3, and then insert the plugging rod 4 into the bracket 3.

[0042] In addition, each coil 1 is connected and fixed to the bracket 3 inside the coil 1 to ensure the mechanical strength of the overall fixation of the coil 1. Preferably, the coil 1 and the bracket 3 are bundled and connected by a bundling member, especially the inner end portion 11 of the coil 1 and the bracket 3 are bundled and connected to avoid the shaking of the inner end portion 11 of the coil 1.

[0043] Therefore, the axial-flux stator provided by the present invention can fix each side of each coil 1 in the stator winding through the fixing ring 2 and the bracket 3. In this way, the mechanical strength of the entire stator is guaranteed, and it does not occupy the motor air gap and does not reduce the motor performance. Furthermore, during the operation of the motor under load, the vibration and noise can be reduced and the durability can be improved.

[0044] It can be understood that the connection manner between the coil 1 and the bracket 3 includes but is not limited to bundling connection, and can also be mechanical structure clamping or other mechanical connection manners. In principle, no matter what kind of connection manner, it is aimed at not occupying the axial clearance of the motor. For example, when the coil 1 and the bracket 3 are bundled and connected, the bundling member will occupy a little air gap. Since the bundling member can be made of extremely thin or ultra-thin materials, this structure will not force the motor air gap to widen, hardly occupies the air gap space between the stator and the rotor, and does not reduce the motor performance. Although the bundling member is not shown in the figure, those skilled in the art should be able to understand how to set the bundling member, that is, by using ropes, tapes or other similar bundling tools, the coil 1 and the bracket 3 are tightly tied together.

[0045] The bundling member can be made of various flexible materials with good toughness, having high strength, high wear resistance, high heat resistance, and being non-conductive and non-magnetic. In particular, the bundling member is made of extremely thin or ultra-thin materials, and its thickness is preferably not more than (less than or equal to) 0.1 mm. In short, it is made as thin as possible without occupying the motor air gap. The bundling member is preferably made of nylon, fiber (such as carbon fiber) or other flexible materials with similar or the same properties. The shape of the bundling member is not limited, such as: linear, strip-shaped, belt-shaped, etc., as long as it can wind around the coil 1 and the bracket 3 to tie the two firmly. If necessary, the two opposite side portions 13 of the coil 1 and the bracket 3 can also be bundled and connected through the bundling member to increase the fixing strength.

[0046] This embodiment also provides an axial-flux motor, which includes the axial-flux stator provided in this embodiment. Among them, the axial-flux motor can include one or more axial-flux stators, the axial-flux motor can include one or more axial-flux rotors, and the excitation manner of the axial-flux rotor is not fixed, such as permanent magnet excitation or electric excitation.

[0047] In the axial-flux motor provided in this embodiment, the axial-flux rotor can be clamped between two axial-flux stators, or the axial-flux stator is clamped between two axial-flux rotors. The axial-flux stator provided in this embodiment is particularly suitable for being clamped between two axial-flux rotors to mainly solve the problems existing in the axial-flux motor with the existing double-rotor single-stator topology structure.

[0048] Furthermore, when making an axial flux stator, the assembled whole structure of the coil 1, the fixing ring 2 and the bracket 3 needs to be potted with potting glue to combine the bracket 3, the coil 1 and the fixing ring 2 into one. After potting, potting glue is provided between adjacent coils 1, potting glue is provided between the wall surface a of the hollow part of each coil 1 and the bracket 3 inside it, potting glue is also provided between each coil 1 and the fixing ring 2, and potting glue even flows between the bracket 3 and the plug-in rod 4. The potting glue can firmly bond the fixing ring 2, the bracket 3 and the coil 1 to achieve high mechanical strength. The potting glue is usually an epoxy resin material or other materials with similar or similar functions.

[0049] It should also be noted that the bracket 3 is made of a material that is neither magnetic nor conductive, that is, a non-magnetic insulating material. In particular, the bracket 3 is made of a non-magnetic insulating material with a density much smaller than that of silicon steel, such as epoxy resin or high-strength plastic, etc. Compared with a stator iron core motor, the weight reduction design of the motor can be achieved, so that the overall structure can ensure the lightweight of the stator iron core motor. In addition, the fixing ring 2 and the plug-in rod 4 are both made of high-strength metal materials, which are non-magnetic.

[0050] On the other hand, Figure 3 As shown, a hollow 32 is provided axially on the bracket 3, and the shape and size of the hollow 32 are not limited. Based on this, the binding piece can pass through the hollow 32 to bind and connect the coil 1 and the bracket 3, which has a simple structure, convenient binding operation, and convenient processing. Furthermore, glue pouring holes 33 are opened on the two opposite walls along the circumference of the hollow 32. When the stator is potted as a whole, it is convenient for the potting glue to flow from the glue pouring holes 33 between the bracket 3 and the wall surface a of the hollow part of the coil 1, and the two side parts 13 of the coil 1 and the bracket 3 are bonded together. In some embodiments, after potting, the hollow 32 can also be filled with potting glue to strengthen the connection strength between the plug rod 4 and the bracket 3.

[0051] As shown in the figure, a relatively large hollow 32 is provided in the middle of the bracket 3. It should also be understood that there are many ways to insert the binding member, including but not limited to setting a relatively large hollow 32. For example, in other cases, one or more small hollows 32 can be provided on the bracket 3 to insert the binding member to achieve substantially the same or similar purpose.

[0052] Furthermore, in order to reduce the difficulty of processing the bracket 3, the hollow 32 is set to penetrate the connecting hole 31, dividing the connecting hole 31 into two parts, so that the plug rod 4 passes through the hollow 32 and is simultaneously inserted into the two parts of the connecting hole 31. In this way, the connection strength between the plug rod 4 and the bracket 3 is also strengthened.

[0053] In summary, the present invention provides an axial-flux stator and an axial-flux motor, which can effectively fix each coil 1 in the stator winding. Ultimately, it can achieve the guarantee of the motor performance without occupying the axial air-gap space of the motor, while ensuring the fixing strength of the winding of the coreless stator motor. In addition, the overall structure can also ensure the light weight of the coreless stator motor, and it is also easy to process and has a low cost in terms of processing and cost.

[0054] The specific embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essence of the present invention. Without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

Claims

1. An axial flux stator, characterized in that: include: stator winding, fixing ring (2) and bracket (3); The stator winding is formed by a plurality of coils (1) distributed in sequence along the circumferential direction; the fixing ring (2) is sleeved on the outer circumference of the stator winding; The bracket (3) is placed in the hollow part of each coil (1); the bracket (3) does not protrude from the two ends of the coil (1) along the axial direction; each bracket (3) is radially connected and fixed to the fixing ring (2); and each bracket (3) is connected and fixed to the corresponding coil (1).

2. The axial flux stator according to claim 1, characterized in that: The bracket (3) is provided with a hollow (32) along the axial direction, and two opposite wall surfaces of the hollow (32) along the circumferential direction are provided with glue injection holes (33), and the hollow part of the coil (1) and the corresponding bracket (3) are sealed with sealing glue through the glue injection holes (33).

3. The axial flux stator according to claim 1, characterized in that: Also includes: Insertion rod (4); each of the brackets (3) and the fixing ring (2) are radially connected and fixed via at least one of the insertion rods (4).

4. The axial flux stator according to claim 3, characterized in that: The plug-in rod (4) and the fixing ring (2) are arranged as an integrated structure, and a plurality of the plug-in rods (4) are arranged on the inner side of the fixing ring (2). The plurality of the plug-in rods (4) are arranged at intervals along the circumference of the fixing ring (2), and each of the plug-in rods (4) is inserted into a corresponding connection hole (31) of the bracket (3).

5. The axial flux stator according to claim 4, characterized in that: The bracket (3) is provided with a hollow (32) along the axial direction, the hollow (32) passes through the connecting hole (31) to divide the connecting hole (31) into two parts, and the plug-in rod (4) passes through the hollow (32) and is simultaneously inserted into the two parts of the connecting hole (31).

6. The axial flux stator according to claim 1, characterized in that: The support (3) is provided with a hollow (32) along the axial direction, and the hollow (32) allows a binding member to pass through so as to bind and connect the coil (1) and the support (3).

7. The axial flux stator according to claim 6, characterized in that: Each of the coils (1) comprises two parts that are spliced ​​together in the axial direction; when the bracket (3) and the fixing ring (2) are radially connected and fixed, the two parts of the coil (1) are mounted on the bracket (3) facing each other, and the two parts of the coil (1) and the bracket (3) are bound and connected using the binding member.

8. The axial flux stator according to claim 6, characterized in that: The thickness of the binding piece is less than or equal to 0.1 mm, and / or the binding piece is made of at least one of nylon and fiber.

9. The axial flux stator according to claim 1, characterized in that: The bracket (3) is made of a non-magnetic insulating material with a density far lower than that of silicon steel.

10. An axial flux motor, characterized in that: It comprises an axial flux rotor and an axial flux stator as claimed in any one of claims 1 to 9, wherein the axial flux stator is located on one side of the axial flux rotor along the axial direction.

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