CN109599961A - A kind of brushless motor and mechanical arm - Google Patents
A kind of brushless motor and mechanical arm Download PDFInfo
- Publication number
- CN109599961A CN109599961A CN201811354352.1A CN201811354352A CN109599961A CN 109599961 A CN109599961 A CN 109599961A CN 201811354352 A CN201811354352 A CN 201811354352A CN 109599961 A CN109599961 A CN 109599961A
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- CN
- China
- Prior art keywords
- brushless motor
- iron core
- tooth
- stator module
- axial direction
- 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
-
- 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
- H02K1/14—Stator cores with salient poles
-
- 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
-
- 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
-
- 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 discloses a kind of brushless motor and mechanical arms.The brushless motor, including stator module, and the rotor assembly relative to stator module rotation；Wherein, the stator module includes iron core, and multiple teeth are provided on the side wall of the iron core, and each tooth extends along the axial direction of iron core, is wound with winding on each tooth；The rotor assembly is arranged on the axial direction of the stator module, and is combined together with the end clearance on the stator module axial direction.Reached one of brushless motor of the invention has the technical effect that the size that can effectively increase motor middle hole.
Description
Technical field
The present invention relates to drive dynamic control device technical fields, more particularly it relates to a kind of brushless motor and machine
Tool arm.
Background technique
In recent years, with the fast development of science and technology, robot technology has played more and more in the industrial production
Important role, people also start increasingly to pay close attention to and pay attention to the technology development of robot and application.
Mechanical arm belongs to a kind of robot, in modernization industry production technical field or daily work, life
It is more more and more universal through what is applied.In corresponding driving device, such as under the control of motor, mechanical arm can be used for a certain article
It is moved to another specified position from a position as requested, so as to complete a certain industrial job requirements.Machine
The use of tool arm can not only reduce labour, additionally it is possible to effectively improve working efficiency, can finally reduce being produced into for enterprise
This.Nowadays, mechanical arm can substitute substantially is accomplished manually fixed sequencing movement.
Brushless motor does not have brush structure, itself has the advantages that high-efficient and long service life etc. is many.Nowadays, nothing
Brush motor has been widely used in various fields, is developed very fast.Especially, brushless motor may be used as mechanical arm
Drive dynamic control device.Existing brushless motor includes iron core, is wound with coil in the teeth portion of iron core, further include magnet and
Magnetic yoke.Wherein, iron core, coil, magnet and magnetic yoke equal magnetic circuit effective coverage radially arrange that this makes the mesoporous ruler of motor
Very little receive significantly limits, and can not accomplish bigger.Also, after wound around coil in the teeth portion of iron core, in axial side
It is influenced to coil both sides end regions by coil winding thickness, the size of entire brushless motor in the axial direction can be made to be limited
It makes and can not be thinned.That is: existing brushless motor is usually that mesoporous is smaller and the biggish structure of axial dimension.It is practical
On, for brushless motor used in joint of mechanical arm mould group, motor is preferred in big mesoporous, flat structure design.Due to
Mechanical arm is usually made of multiple joint modules and add-on device, and the cable that multiple modularized motors and add-on device generate needs
It to be passed through from each joint module, and since the limitation of various factors causes the mesoporous of brushless motor smaller, it will result in machine
Tool arm multi-joint mesoporous crosses the problem of line difficulty.
Therefore, it is highly desirable to study the structure of new brushless motor, it is above-mentioned to solve the problems, such as.
Summary of the invention
It is an object of the present invention to provide a kind of new solutions of brushless motor.
According to the first aspect of the invention, a kind of brushless motor, including stator module are provided, and relative to described
The rotor assembly of stator module rotation；
Wherein, the stator module includes iron core, multiple teeth is provided on the side wall of the iron core, each tooth is along iron
The axial direction of core extends, and is wound with winding on each tooth；The axial direction side of the stator module is arranged in the rotor assembly
Upwards, and with the end clearance on the stator module axial direction it is combined together.
Optionally, the rotor assembly includes magnetic yoke and multiple permanent magnets for being arranged in magnetic yoke；The multiple permanent magnet
It is distributed along the circumferencial direction of magnetic yoke.
Optionally, the tooth socket with opening is formed between two neighboring tooth.
Optionally, the end of the tooth extends to the two sides of tooth, and the end face of multiple teeth is surrounded by the open space
Ring plain.
Optionally, brushless motor of the invention further includes electric machine casing and rotor shaft；The magnetic yoke and multiple permanent magnetism
Body and iron core are arranged in the electric machine casing；The iron core is fixedly connected with the electric machine casing, the magnetic yoke and institute
State rotor shaft connection.
Optionally, the iron core is made of SMC composite material.
Optionally, the size of the magnetic yoke in the axial direction is no more than 5mm.
Optionally, the magnetic yoke is made of soft magnetic materials.
According to the second aspect of the invention, another brushless motor, including stator module are provided, and relative to institute
State the rotor assembly of stator module rotation；
Wherein, the rotor assembly includes iron core, and multiple teeth, Ge Gechi have been axially formed on the side wall of the iron core
On be wound with winding；The stator module is arranged on the axial direction of the rotor assembly, and with the rotor assembly axis
End clearance on direction is combined together.
According to the third aspect of the present invention, a kind of mechanical arm is provided, the mechanical arm includes at least one joint mould
Block, the mechanical arm further include at least one brushless motor described in any of the above embodiments, and the joint module with it is described brushless
Motor corresponds configuration.
Brushless motor provided in an embodiment of the present invention has structure simple, and manufactures convenient feature.It is utilized
Part in iron core side wall axial direction forms tooth, and winding is wound on tooth, in the structure of the brushless motor, tooth, winding, magnetic
In the form of axially arranging, this design can be such that the median pore diameter of brushless motor does for body and magnetic yoke equal magnetic circuit effective coverage
It is bigger.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is the structural schematic diagram at one visual angle of brushless motor provided in an embodiment of the present invention.
Fig. 2 is the structural schematic diagram at another visual angle of brushless motor provided in an embodiment of the present invention.
Fig. 3 is the side view of brushless motor provided in an embodiment of the present invention.
Fig. 4 is the perspective view of iron core provided in an embodiment of the present invention.
Fig. 5 is the side view of iron core provided in an embodiment of the present invention.
Fig. 6 is the main view of iron core provided in an embodiment of the present invention.
Description of symbols:
1- magnetic yoke, 2- winding, 3- iron core, 4- permanent magnet；
31- tooth socket, 32- opening, 33- tooth.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
A kind of brushless motor provided in an embodiment of the present invention, with reference to shown in Fig. 1, Fig. 2 and Fig. 3, including stator module, with
And the rotor assembly matched with the stator module, and the rotor assembly can generate rotation relative to the stator module.
Wherein, the stator module includes iron core 3, is provided with multiple teeth 33 on the side wall of the iron core 3, and each tooth 33 is along iron core
3 axial direction extends, and is wound with winding 2 on each tooth 33.The axial direction of the stator module is arranged in the rotor assembly
On direction, and it is combined together with the end clearance on the stator module axial direction
Brushless motor provided in an embodiment of the present invention has the characteristics that structure is simple and easily manufactured.The present invention is implemented
Compared with conventional brushless motor, difference essentially consists in the brushless motor that example provides: with reference to shown in Fig. 1 and Fig. 2, the present invention
Brushless motor, multiple teeth 33 have been axially formed on the side wall of iron core 3, have been wound with winding 2, rotor on each tooth 33
Component also is located on the axial direction of stator module.It can be saved using the design of such axial direction in motor radial direction
On space (conventional is the space occupied radially).In fact, outer diameter in iron core 3 is identical, iron core 3 and rotor assembly produce
Under the same conditions, the median pore diameter of brushless motor of the present invention can be more straight than the mesoporous of conventional brushless motor for magnetisation road Domain Volume
Diameter will be about one times or more.Also, the whole height of brushless motor of the present invention is reduced than the whole height of conventional brushless motor
About 1cm or so, can form a kind of brushless motor of flat, big central hole structure in this way, which is highly suitable as machinery
The driving device of arm.
Wherein, the rotor assembly includes magnetic yoke 1 and multiple permanent magnets 4 for being arranged in magnetic yoke 1.The multiple permanent magnetism
Body 4 is distributed along the circumferencial direction of magnetic yoke 1.In the specific embodiment of the present invention, multiple permanent magnets 4 are along magnetic yoke 1
Circumferencial direction be evenly distributed, in order to form uniform magnetic field.
It wherein, can be to be fixedly connected between magnetic yoke 1 and multiple permanent magnets 4.In the specific embodiment of the present invention
In, it can be fixed together by the way of colloid bonding between magnetic yoke 1 and multiple permanent magnets 4.The connection bonded using colloid
Mode, technique is relatively simple, at low cost, will not cause to damage to the performance of permanent magnet and magnetic yoke, and can make multiple permanent magnets
It is securely attached to together between magnetic yoke.
Wherein, the quantity of permanent magnet 4 can according to need flexible setting, the invention is not limited in this regard.Of the invention
In one specific embodiment, the setting quantity of permanent magnet 4 is identical as the setting quantity of tooth 33 on iron core 3.Certainly, permanent magnet
4 quantity can also be different from the quantity of tooth 33.
In addition, permanent magnet 4 can be manufactured using material well known in the art, such as can be made of ferro-aluminum copper product,
The invention is not limited in this regard.Also, the shape of permanent magnet 4 also can according to need flexible setting, as long as will not be radially
Occupy biggish space, the invention is not limited in this regard.
Wherein, on the side wall of iron core 3, the tooth socket 31 with opening 32 is formed between two neighboring tooth 33.31 energy of tooth socket
For accommodating the winding 2 being wound on tooth 33.With reference to shown in Fig. 4, Fig. 5 and Fig. 6, which has opening 32, the opening
32 design is conducive to the coiling winding on tooth 33, especially can be achieved on and carries out coiling using automatic winding equipment, so as to
Effectively improve production efficiency.Wherein, 32 size of being open can design smaller, can effectively weaken in operation in this way
Or avoid the occurrence of slot effect.
Also, with reference to shown in Fig. 4 and Fig. 6, the end of the tooth 33 extends to the two sides of tooth 33, and the end of multiple teeth 33
Face is surrounded by the ring plain at 32 interval of opening.The structure design of 33 end of tooth can prevent winding 32 from the end of tooth 33
It slips, is conducive to for winding 2 being limited on tooth 33.
Wherein, winding 2 can use winding material known in the art, the invention is not limited in this regard.In the present invention
A specific embodiment in, winding can use copper wire, have the characteristics that cheap, stability is good, durable.
Brushless motor provided in an embodiment of the present invention can also include: that electric machine casing and rotor shaft (do not show in figure
Out).Wherein, the magnetic yoke 1, multiple permanent magnets 4 and iron core 3 are arranged at the inside of the electric machine casing, can be by motor
Shell plays a good protective effect to magnetic yoke 1, multiple permanent magnets 4 and iron core 3.The iron core 3 and the electric machine casing it
Between to be fixedly connected, opposite rotation will not be generated relative to electric machine casing.The magnetic yoke 1 is connect with the rotor shaft,
When the rotor shaft is rotated, the magnetic yoke 1 and multiple permanent magnets 4 (rotor assembly) can be driven relative to the iron
Core 3 generates rotation.
Wherein, electric machine casing can be made of material well known in the art, such as can be made of aluminum alloy materials,
It can make electric machine casing that there is certain corrosion resistance and certain mechanical strength.In addition, the quality of aluminum alloy materials is lighter
And it is cheap, it not will increase the weight of entire brushless motor after use, and not will increase manufacturing cost.
In the specific embodiment of the present invention, electric machine casing can be made of 6061 aluminum alloy materials.Specifically
For, be unlikely to deform after 6061 aluminium alloys mechanical strength with higher, higher toughness, good corrosion resistance, processing with
And the features such as weldability, be highly suitable as electric machine casing materials'use, can magnetic yoke to its inside, magnet, iron core and
The components such as winding play a good protective effect；And it is light, it not will increase the weight of entire brushless motor.
Certainly, electric machine casing can also be process using other materials, can be metal material, or non-gold
Belong to material, the invention is not limited in this regard.
Wherein, iron core 3 (when as stator) can be fixed together using fastener with electric machine casing.It is specific next
It says, fastener can be using the fixing pieces known in the art such as bolt, screw, rivet, the invention is not limited in this regard.When
So, in electric machine casing when secured core 3, the fixed forms well known in the art such as welding, glue bonding can also be used, as long as
Iron core 3 can be made to be firmly fixed in electric machine casing, the invention is not limited in this regard.
Iron core 3 provided in an embodiment of the present invention, refering to what is shown in Fig. 4, being effectively utilized on the side wall of iron core 3 in axial direction
Part forms multiple equally distributed teeth 33 on the side wall of iron core 3.Wherein, the axis of stator module is arranged in rotor assembly
It is combined together on direction, and with the end clearance on stator module axial direction.This design keeps tooth and rotor assembly equal
The space of motor in the axial direction is utilized.In fact, tooth is evenly distributed on the radial direction of iron core side wall in conventional brushless motor
On direction, rotor assembly is set at this time and is also distributed about iron core in the radial direction, since rotor assembly itself also has certain thickness
Degree occupies the larger space of motor radially to will lead to, and in order to keep the radial dimension of motor not too big, Jiu Huizao
It is smaller at the intermediate pore size of motor.Design in the present invention exactly improves the problem, and motor is effectively utilized in the axial direction
Size, the mesoporous of motor can be significantly increased.
Iron core 3 provided in an embodiment of the present invention, with reference to shown in Fig. 4, Fig. 5 and Fig. 6, shape are as follows: have in the axial direction
The annular structure of certain altitude.Its size in the axial direction according to actual needs or can want the amount of the winding of coiling flexible
Setting, the invention is not limited in this regard.
In the specific embodiment of the present invention, iron core 3 can be made of SMC composite material.Wherein, SMC
(Sheet molding compound) composite material is a kind of high performance composite material, the material itself have density it is small,
Many excellent performances such as light weight, intensity are high, corrosion-resistant, high production efficiency and cost of manufacture are low.With reference to Fig. 4, in the present invention
Core structure be it is more complicated, when using the production of SMC composite material, not only have cast shaping process simple, quickly
The advantages of, high frequency eddy current losses can also be effectively reduced.The reliability of brushless motor and comprehensive may finally effectively be promoted
Energy.
Magnetic yoke 1 provided in an embodiment of the present invention, structure annular in shape from the appearance, and there is suitable ruler in the axial direction
It is very little, in the middle part of bore dia can do it is larger.In order to make the size of the brushless motor of the embodiment of the present invention in the axial direction can be with
Unrestricted, what can be done is thinner, can suitably reduce the size of magnetic yoke 1 in the axial direction.It is specific at of the invention one
In embodiment, for the size of magnetic yoke 1 in the axial direction preferably no more than 5mm, it is outside that this design can play constraint leakage field
Diffusion, not will increase the size of motor in the axial direction also, moreover it is possible to reduction production cost appropriate.
Wherein, magnetic yoke 1 can be made of soft magnetic materials well known in the art, can also use other materials, such as
It can be superimposed to be formed using silicon steel sheet, the invention is not limited in this regard.
In addition, can be connected by bearing between magnetic yoke 1 and rotor shaft in the present invention.Wherein, rotor shaft can be
Hollow shaft, to mitigate the weight of brushless motor.
The embodiments of the present invention also provide the structures of another brushless motor.The structure of the brushless motor are as follows: including fixed
Sub-component, and the rotor assembly relative to stator module rotation.Wherein, the rotor assembly includes iron core, described
It has been axially formed multiple teeth on the side wall of iron core, has been wound with winding on each tooth.The stator module is arranged described
On the axial direction of rotor assembly, and it is combined together with the end clearance on the rotor assembly axial direction.
Wherein, the rotor assembly includes magnetic yoke and multiple permanent magnets for being arranged in magnetic yoke.The multiple permanent magnet edge
Magnetic yoke circumferencial direction distribution.
In fact, to those skilled in the art, can also be used iron core as rotor, and by magnetic yoke and multiple
Permanent magnet is used as stator, magnetic yoke and multiple permanent magnets can be fixed in electric machine casing at this time, and iron core and rotor are turned
Axis connection.When rotor shaft rotation rotation can be generated relative to magnetic yoke and multiple permanent magnets with dynamic iron core.For brushless electricity
The further structure present invention of machine is no longer discussed in detail.
On the other hand, the embodiment of the invention also provides a kind of mechanical arms.The mechanical arm includes at least one joint mould
Block, the mechanical arm further include at least one any of the above-described kind of brushless motor, and the joint module and the brushless motor one
One corresponding configuration.
Mechanical arm provided in an embodiment of the present invention, driving device use any of the above-described kind of brushless motor.Due to the present invention
Brushless motor there is the structure of flat, the big mesoporous of height, can effectively solving mechanical arm multi-joint module mesoporous, to cross line difficult
Problem.When the mechanical arm to be applied in industrial production, it can make production process that there is continuity, stability and high efficiency, energy
Effectively improve production efficiency.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (10)
1. a kind of brushless motor, which is characterized in that including stator module, and relative to the rotor set of stator module rotation
Part；
Wherein, the stator module includes iron core, multiple teeth is provided on the side wall of the iron core, each tooth is along iron core
Axial direction extends, and is wound with winding on each tooth；
The rotor assembly is arranged on the axial direction of the stator module, and with the end on the stator module axial direction
Face clearance fit is together.
2. brushless motor according to claim 1, which is characterized in that the rotor assembly includes magnetic yoke and is arranged in magnetic yoke
On multiple permanent magnets；
The multiple permanent magnet is distributed along the circumferencial direction of magnetic yoke.
3. brushless motor according to claim 1, which is characterized in that form the tooth with opening between two neighboring tooth
Slot.
4. brushless motor according to claim 3, which is characterized in that the end of the tooth extends to the two sides of tooth, and more
The end face of a tooth is surrounded by the ring plain of the open space.
5. brushless motor according to claim 1, which is characterized in that further include electric machine casing and rotor shaft；
The magnetic yoke and multiple permanent magnets and iron core are arranged in the electric machine casing；
The iron core is fixedly connected with the electric machine casing, and the magnetic yoke is connect with the rotor shaft.
6. brushless motor according to claim 1, which is characterized in that the iron core is made of SMC composite material.
7. brushless motor according to claim 1, which is characterized in that the size of the magnetic yoke in the axial direction is no more than
5mm。
8. brushless motor according to claim 1, which is characterized in that the magnetic yoke is made of soft magnetic materials.
9. a kind of brushless motor, which is characterized in that including stator module, and relative to the rotor set of stator module rotation
Part；
Wherein, the rotor assembly includes iron core, has been axially formed multiple teeth on the side wall of the iron core, on each tooth
It is wound with winding；
The stator module is arranged on the axial direction of the rotor assembly, and with the end on the rotor assembly axial direction
Face clearance fit is together.
10. a kind of mechanical arm, the mechanical arm includes at least one joint module, which is characterized in that the mechanical arm further includes
At least one brushless motor of any of claims 1-9, and the joint module and the brushless motor one are a pair of
It should configure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811354352.1A CN109599961A (en) | 2018-11-14 | 2018-11-14 | A kind of brushless motor and mechanical arm |
| PCT/CN2018/125756 WO2020098126A1 (en) | 2018-11-14 | 2018-12-29 | Brushless motor and mechanical arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811354352.1A CN109599961A (en) | 2018-11-14 | 2018-11-14 | A kind of brushless motor and mechanical arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109599961A true CN109599961A (en) | 2019-04-09 |
Family
ID=65958500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811354352.1A Pending CN109599961A (en) | 2018-11-14 | 2018-11-14 | A kind of brushless motor and mechanical arm |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109599961A (en) |
| WO (1) | WO2020098126A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1901324A (en) * | 2005-07-20 | 2007-01-24 | 雅马哈发动机株式会社 | Rotary electric machine and electric wheelchair mounted with rotary electric machine |
| CN105281523A (en) * | 2014-06-11 | 2016-01-27 | 三星电子株式会社 | Brushless motor |
| CN105762950A (en) * | 2016-03-10 | 2016-07-13 | 东南大学 | Axial magnetic field permanent magnetism motor and manufacturing method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2084679U (en) * | 1991-03-16 | 1991-09-11 | 常景蔚 | Petal type great coil winding disk motor |
| KR101120507B1 (en) * | 2005-12-21 | 2012-02-29 | 주식회사 동서전자 | Pan-cake type single phase brushless dc motor |
| JP2014060837A (en) * | 2012-09-14 | 2014-04-03 | Yamaha Motor Co Ltd | Axial gap type rotary electric machine, electrically-driven wheel chair with the rotary electric machine, and electrically-driven bicycle |
| US10148152B2 (en) * | 2015-02-10 | 2018-12-04 | Cts Corporation | Axial brushless DC motor |
| CN207782631U (en) * | 2017-12-31 | 2018-08-28 | 苏州英磁新能源科技有限公司 | A kind of axial-flux electric machine |
-
2018
- 2018-11-14 CN CN201811354352.1A patent/CN109599961A/en active Pending
- 2018-12-29 WO PCT/CN2018/125756 patent/WO2020098126A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1901324A (en) * | 2005-07-20 | 2007-01-24 | 雅马哈发动机株式会社 | Rotary electric machine and electric wheelchair mounted with rotary electric machine |
| CN105281523A (en) * | 2014-06-11 | 2016-01-27 | 三星电子株式会社 | Brushless motor |
| CN105762950A (en) * | 2016-03-10 | 2016-07-13 | 东南大学 | Axial magnetic field permanent magnetism motor and manufacturing method thereof |
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| Publication number | Publication date |
|---|---|
| WO2020098126A1 (en) | 2020-05-22 |
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Application publication date: 20190409 |