CN207504659U - Ultrahigh speed permanent magnet disc motor - Google Patents
Ultrahigh speed permanent magnet disc motor Download PDFInfo
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- CN207504659U CN207504659U CN201721713322.6U CN201721713322U CN207504659U CN 207504659 U CN207504659 U CN 207504659U CN 201721713322 U CN201721713322 U CN 201721713322U CN 207504659 U CN207504659 U CN 207504659U
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- end cap
- motor
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000000919 ceramic Substances 0.000 claims abstract description 14
- 238000004804 winding Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 7
- 239000010410 layer Substances 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000011229 interlayer Substances 0.000 claims description 4
- 210000000481 breast Anatomy 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 18
- 238000009434 installation Methods 0.000 abstract description 18
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000004323 axial length Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Permanent Magnet Type Synchronous Machine (AREA)
- Motor Or Generator Cooling System (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model is related to a kind of ultrahigh speed permanent magnet disc motor, including：First stator core, the second stator core, stator winding, casing, heat dissipation pipeline, drive end bearing bracket, rear end cap, high speed rotor, ceramic bearing；The high speed rotor includes high speed rotor iron core, permanent magnet, rotor jacket, shaft；The high speed rotor iron core sleeve is radially being machined with permanent magnet wedge shape mounting groove to install permanent magnet on armature spindle, and the permanent magnet is attached separately to high speed rotor dish axle to both sides, and rotor jacket is on high speed rotor iron core；Motor described in the utility model not only has very high mechanical strength, is suitble to the operation of motor ultrahigh speed, and devise good cooling system, prevents disc type electric machine permanent magnet when ultrahigh speed is run from demagnetizing.The advantages that motor axial length described in the utility model is short, power density is big, kinetic characteristics are good, simple in structure, easy for installation.
Description
Technical field：
The utility model is related to technical field of motors, and in particular to a kind of ultrahigh speed permanent magnet disc motor.
Background technology：
In recent years, with the progress of material and technique, super high speed motor is widely used.And certain particular applications
There is stringent limitation to super high speed motor volume, ultrahigh speed disc type electric machine is with power density is big, small, axial length is short, scattered
The advantages that heat is good is the developing direction of extraordinary power plant (or power generator).Compared to conventional motor, super high speed motor is turned
The mechanical strength of son proposes higher requirement, and higher requirement is proposed to the permanent magnet cooling of super high speed motor.
Therefore, the problems of mechanical strength of super high speed motor and heat dissipation problem have weight to improving motor performance, promoting and applying
The meaning wanted.
Utility model content：
The purpose of the utility model is to overcome the deficiencies in the prior art, a kind of ultrahigh speed permanent magnet disc motor are provided, to carry
The mechanical strength of high super high speed motor and good heat dissipation problem, while solve radial direction super high speed motor due to installing permanent magnetism
Body sheath, the problems such as caused effective air gap is long, rotor reliability is low.The motor not only has very high mechanical strength, is suitble to
Motor ultrahigh speed is run, and devises good cooling system, prevents disc type electric machine permanent magnet when ultrahigh speed is run from demagnetizing.
This motor axial length is short, and power density is big, and kinetic characteristics are good, simple in structure, easy for installation.The high-speed permanent magnetic disc type electric machine
Both generator operation had been may be used as, has been also used as motor running.
Above-mentioned purpose is realized by following technical scheme：
The utility model provides a kind of ultrahigh speed permanent magnet disc motor, including：First stator core, the second stator iron
Core, stator winding, casing, heat dissipation pipeline, drive end bearing bracket, rear end cap, high speed rotor, ceramic bearing, stator slot wedge；Its feature exists
In the high speed rotor includes high speed rotor iron core, permanent magnet, rotor jacket, shaft, key, rotor fixing sleeve；The high speed turns
Sub-disk is sleeved on armature spindle, and is radially being machined with permanent magnet wedge shape mounting groove to install permanent magnet, and the permanent magnet is distinguished
Mounted in high speed rotor dish axle to both sides, rotor jacket is on high speed rotor.
The utility model additionally provides the technical solution of another aspect, wherein, first stator core and described second
Stator core is attached separately to the axial both sides of high speed rotor, forms double-stator structure.
The utility model additionally provides the technical solution of another aspect, wherein, the bearing is ceramic bearing, is installed respectively
In the bosom position of motor front end cover and rear end cap.
The utility model additionally provides the technical solution of another aspect, wherein, the permanent magnet mounting groove is installed for wedge shape
Slot, permanent magnet is from radially installed.
The utility model additionally provides the technical solution of another aspect, wherein, the magnetizing direction of the permanent magnet is carried on the back for N-N
Backrest form.
The utility model additionally provides the technical solution of another aspect, wherein, the both ends of the casing be equipped with drive end bearing bracket and
Rear end cap, the both ends of the armature spindle are supported on by ceramic bearing on the drive end bearing bracket and the rear end cap respectively.
The utility model additionally provides the technical solution of another aspect, wherein, the drive end bearing bracket and rear end cap difference
It is formed by two layers, the heat dissipation pipeline is evenly distributed on inside the interlayer of the drive end bearing bracket and the rear end cap.
The utility model additionally provides the technical solution of another aspect, wherein, first stator core and the front end
Lid is fixedly connected, and second stator core is fixedly connected with the rear end cap, and it is fixed that the stator winding is mounted on described first
On sub- iron core and second stator core.
The utility model additionally provides the technical solution of another aspect, wherein, the material of the rotor jacket is high intensity
Alloy sleeve, mounting means are interference fit, permanent magnet are served radially fixed.
Advantageous effect：
Provided by the utility model is a kind of ultrahigh speed permanent magnet disc motor, and high speed rotor iron core is radially machined with permanent magnet
Wedge-shaped mounting groove, permanent magnet is easy for installation from radially installed, and reduces axial effective air gap, improves air gap flux density, compared with
Permanent magnet material dosage is lacked.
Existing super high speed motor mainly using radial magnetic field scheme, the super high speed motor due to installing permanent magnet sheath,
The problems such as caused effective air gap is long, rotor reliability is low, heat dissipation performance is poor.Motor described in the utility model is axial magnetic field electricity
Machine increases rotor jacket on the high speed rotor iron core of motor, and material is high-strength alloy, and mounting process employs interference and matches
Close, enhancing can rotor strength, overcome the centrifugal force of rotor permanent magnets at high speed, successfully solve radial direction ultrahigh speed electricity
The problems such as machine effective air gap is long, rotor reliability is low are conducive to the operation of motor ultrahigh speed.
The drive end bearing bracket and rear end cap of motor are formed respectively by two layers, and heat dissipation pipeline is evenly distributed on drive end bearing bracket and rear end cap folder
Layer is internal, and heat dissipation pipeline is easy for installation, economical rationality.Refrigerant using low boiling point, high insulation, environmental protection CH2Cl2,
C2F2CL3 etc., normal atmosphere pressure boiling point is 35 DEG C~45 DEG C, is liquid under room temperature, property is stablized, nonflammable, insulation performance
Well, and without strong corrosive, meet national requirements for environmental protection.It is basic inside motor to keep temperature constant state, while there is cooling temperature
Spend low, uniformity of temperature profile, without local hot spot the characteristics of, cooling efficiency is high, prevent disc type electric machine when ultrahigh speed is run forever
Magnet demagnetization.
Motor front and rear cover and rotor shaft connection place are equipped with high speed ceramic bearing, corrosion-resistant, and heat resistance is good, springform
Amount is high, is conducive to the high-speed cruising of motor.
Rotor uses permanent magnet excitation, does not need to the rapid wears devices such as installation collector ring, brush, simplifies structure, carry
High system reliability.
Rotor permanent magnet magnetizing direction is the back-to-back forms of N-N, makes rotor or so stress symmetrical, reduces bearing axis
To stress, rotor service life is improved.
Motor uses double-stator structure.During as motor, electromagnetic torque caused by the watt current on two stators
Collective effect does mechanical work in rotor, and output torque is big, and output power is high.During as generator, when rotor rotates, two stators
Export induced voltage simultaneously.The motor is with precision is high, response is fast, acceleration is big, torque ripple is small, overload capacity is high, mechanical
The advantages that integrated level is high, electric machine structure stock utilization is high, there is very high use value in actual production.
Description of the drawings：
Fig. 1 is the sectional view of the motor of the embodiment of the utility model；
Fig. 2 is the appearance diagram of the motor of the embodiment of the utility model；
Fig. 3 is the high speed rotor structure diagram of the embodiment of the utility model；
Fig. 4 is the magnet structure schematic diagram of the embodiment of the utility model；
Fig. 5 is the heat dissipation pipeline structure diagram of the embodiment of the utility model；
Fig. 6 is the rotor protection nested structure schematic diagram of the embodiment of the utility model；
Fig. 7 is the wedge shape installation slot structure schematic diagram of the embodiment of the utility model；
Fig. 8 is the high speed rotor core structure schematic diagram of the embodiment of the utility model；
Fig. 9 is the motor magnetic line of force schematic diagram of the embodiment of the utility model；
Figure 10 is the motor general assembly exploded perspective view of the embodiment of the utility model；
Figure 11 is the motor high speed rotor exploded perspective view of the embodiment of the utility model；
Figure 12 is the motor water cooling end cap of the embodiment of the utility model and stator modules exploded perspective view.
Reference sign：1. drive end bearing bracket, 2. heat dissipation pipelines, 3. first stator cores, 4. high speed rotor iron cores, 5. rotors
Sheath, 6. casings, 7. rear end caps, 8. permanent magnets, 9. second stator cores, 10. armature spindles, 11. ceramic bearings, 12. stators around
Motor water cooling end cap and stator modules, 16. high speed rotors, 17. front motor water cooling ends behind group, 13. mounting grooves, 14. screws, 15.
Lid and stator modules, 18. keys, 19. rotor fixing sleeves, 20. stator slot wedges.
Specific embodiment：
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and
With reference to attached drawing, the utility model is further described.
Referring to attached drawing 1-11, a kind of ultrahigh speed permanent magnet disc motor, including：Drive end bearing bracket 1, heat dissipation pipeline 2, the first stator
Iron core 3, casing 6, rear end cap 7, the second stator core 9, ceramic bearing 11, stator winding 12, screw 14, key 18, rotor are fixed
Set 19, stator slot wedge 20, high speed rotor 16.High speed rotor includes high speed rotor iron core 4 (referring to Fig. 8), permanent magnet 8 (referring to figure
4), rotor jacket 5 (referring to Fig. 6), armature spindle 10.
Motor uses double-stator structure.During as motor, electromagnetic torque caused by the watt current on two stators
Collective effect does mechanical work in rotor, and output torque is big, and output power is high.During as generator, when rotor rotates, two stators
Export induced voltage simultaneously.The motor is with precision is high, response is fast, acceleration is big, torque ripple is small, overload capacity is high, mechanical
The advantages that integrated level is high, electric machine structure stock utilization is high, there is very high use value in actual production.
High speed rotor disk is radially machined with permanent magnet wedge shape mounting groove 13 (refering to Fig. 7), and referring again to Fig. 3, permanent magnet 8 is from diameter
To insertion, fixed compared to traditional bonding and bolt, it is easy for installation, and the inter-air space has been saved, axial air-gap is reduced, is carried
High permanent magnet utilization ratio.Increase rotor jacket 5 on the high speed rotor of motor, material is high-strength alloy, mounting process
It employs interference fit, enhances rotor strength, overcome the centrifugal force of rotor permanent magnets at high speed, be conducive to motor and surpass
High-speed cruising.
High speed rotor iron core 4 is sleeved on armature spindle, and permanent magnet 8 is separately mounted to the axial both sides of high speed rotor iron core 4, and
8 magnetizing direction of permanent magnet is the back-to-back forms of N-N.Referring to attached drawing 9, motor magnetic line of force schematic diagram is shown.The motor magnetic line of force is
Double circle structure.Rotor axial or so stress is symmetrical, reduces bearing axially loaded, improves rotor service life.
Rotor use permanent magnet excitation, permanent magnet use high performance NdFeB material, do not need to installation collector ring,
The rapid wears device such as brush, simplifies structure, improves system reliability.
The both ends of armature spindle are supported on by ceramic bearing 11 on drive end bearing bracket 1 and rear end cap 7 respectively.Electric motor end cap and shaft
Junction is equipped with ceramic bearing, corrosion-resistant, and heat resistance is good, and elasticity modulus is high, is conducive to the high-speed cruising of motor.First is fixed
Sub- iron core 3 is fixedly connected with drive end bearing bracket 1, and the second stator core 9 is fixedly connected with rear end cap 7.Stator winding 12 is mounted on first
On 3 and second stator core 9 of stator core.
The both ends of casing are equipped with drive end bearing bracket 1 and rear end cap 7, and drive end bearing bracket 1 and rear end cap 7 are formed respectively by two layers, heat-dissipating pipe
Road 2 is evenly distributed on inside 7 interlayer of drive end bearing bracket 1 and rear end cap.And the drive end bearing bracket 1 and rear end cap 7 of motor are respectively by two layers of structure
Into heat dissipation pipeline 2 is evenly distributed on inside 7 interlayer of drive end bearing bracket 1 and rear end cap, and heat dissipation pipeline 2 is easy for installation, economical rationality.
Referring to attached drawing 2, the entrance of the refrigerant in heat dissipation pipeline 2 is shown.Refrigerant is exhausted using low boiling point, height
Edge, environmentally friendly CH2Cl2, C2F2CL3 etc., normal atmosphere pressure boiling point is 35 DEG C~45 DEG C, is liquid under room temperature, and property is stablized,
Nonflammable, insulation performance is good, and without strong corrosive, meets national requirements for environmental protection.It is basic inside motor to keep temperature constant state,
There is low cooling temperature, uniformity of temperature profile simultaneously, without local hot spot, cooling efficiency height.
The specific installation method of the ultrahigh speed permanent magnet disc motor is as follows, and Figure 10-12 respectively illustrates motor general assembly drawing, electricity
Machine rotor module installation diagram, motor water cooling end cap and stator modules installation diagram.
Referring to attached drawing 10, the general assembly drawing of ultrahigh speed permanent magnet disc motor is shown, including：Casing 6, screw 14, rear motor
Water cooling end cap and stator modules 15, high speed rotor 16, front motor water cooling end cap and stator modules 17.First, using six screws
Rear motor water cooling end cap and stator modules are fixed on the left of casing, used screw is interior hexagonal counterbore screw, end axis
It holds and is installed as being interference fitted.Secondly, under the auxiliary of rotor mounting tool, high speed rotor 16 is packed into from right side.Finally, it uses
Front motor water cooling end cap and stator modules are fixed on the right side of casing by six screws.After installation is complete, overall physical dimensions such as Fig. 2
It is shown.
Referring to attached drawing 11, the rotor module installation diagram of ultrahigh speed permanent magnet disc motor is shown, including：High speed rotor iron core
4th, rotor jacket 5, permanent magnet 8, armature spindle 10, ceramic bearing 11, key 18, rotor fixing sleeve 19.First, it will be magnetized using tooling
Permanent magnet afterwards from radial direction is fitted into rotor core, permanent magnet installation direction be the back-to-back forms of N-N, the wedge structure of permanent magnet
The wedge groove A of B and rotor core cooperation installations.Secondly, permanent magnet is fixed using rotor jacket, mounting means is matched using interference
It closes.Then, assembled rotor disk is fixed on armature spindle using rotor fixing sleeve and key.Mounted rotor module is such as
Shown in Fig. 3.
Referring to attached drawing 12, the preceding water cooling end cap of ultrahigh speed permanent magnet disc motor and stator modules installation diagram are shown, including：
Drive end bearing bracket 1, heat dissipation pipeline 2, the first stator core 3, ceramic bearing 11, stator winding 12, screw 14, stator slot wedge 20.First,
Stator winding 12 is embedded in the first stator core 3, and winding is fixed using stator slot wedge, and shown winding is integral pitch winding, only
Illustrate part winding.Secondly, heat dissipation pipeline is mounted among the double-deck end cap of drive end bearing bracket.Then, the vacancy among end cap
Ceramic bearing 11 is installed.Finally, assembled stator modules and end cap module are installed together using six screws.It installs
Preceding water cooling end cap and stator modules 17 as shown in figure 5, rear water cooling end cap and 15 installation method of stator modules are same.
This ultrahigh speed permanent magnet disc motor may be used as high-speed engine, rated power 8kW, and rotating speed is up to
50000r/min, using in special occasions such as aerogenerator, microturbine power generations.This ultrahigh speed permanent magnet disc motor also may be used
For use as high-speed motor, using in special occasions such as compressor, unmanned planes.
Particular embodiments described above has carried out the purpose, technical solution and advantageous effect of the disclosure further in detail
It describes in detail bright, it should be understood that the foregoing is merely the specific embodiment of the disclosure, is not limited to the disclosure, it is all
Within the spirit and principle of the disclosure, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the disclosure
Within the scope of shield.
Claims (9)
1. a kind of ultrahigh speed permanent magnet disc motor, which is characterized in that including：First stator core (3), the second stator core (9),
Stator winding (12), casing (6), heat dissipation pipeline (2), drive end bearing bracket (1), rear end cap (7), high speed rotor (16), bearing (11)；Institute
It states high speed rotor and includes high speed rotor iron core (4), permanent magnet (8), rotor jacket (5), armature spindle (10)；The high speed rotor iron
Core (4) is sleeved on armature spindle (10), and being radially machined with permanent magnet mounting groove (13) to install the permanent magnet (8), institute
It states permanent magnet (8) and is attached separately to the axial both sides of high speed rotor iron core (4), the rotor jacket (5) is mounted in high speed rotor iron core (4)
On rotated together with rotor.
A kind of 2. ultrahigh speed permanent magnet disc motor according to claim 1, which is characterized in that first stator core
(3) and second stator core (9) is attached separately to the axial both sides of high speed rotor (16), forms double-stator structure.
3. a kind of ultrahigh speed permanent magnet disc motor according to claim 1, which is characterized in that the bearing is ceramic bearing
(11), it is separately mounted to the bosom position of motor front end cover (1) and rear end cap (7).
A kind of 4. ultrahigh speed permanent magnet disc motor according to claim 1, which is characterized in that the permanent magnet mounting groove
(13) it is wedge-shaped mounting groove, permanent magnet is from radially installed.
A kind of 5. ultrahigh speed permanent magnet disc motor according to claim 4, which is characterized in that the side of magnetizing of the permanent magnet
To for the back-to-back forms of N-N.
A kind of 6. ultrahigh speed permanent magnet disc motor according to claim 1, which is characterized in that the both ends of the casing (6)
Equipped with drive end bearing bracket (1) and rear end cap (7), the both ends of the armature spindle (10) respectively by ceramic bearing (11) be supported on it is described before
On end cap (1) and the rear end cap (7).
7. a kind of ultrahigh speed permanent magnet disc motor according to claim 6, which is characterized in that the drive end bearing bracket (1) and institute
It states rear end cap (7) to be formed by two layers respectively, the heat dissipation pipeline (2) is evenly distributed on the drive end bearing bracket (1) and the rear end cap
(7) inside interlayer.
A kind of 8. ultrahigh speed permanent magnet disc motor according to claim 6, which is characterized in that first stator core
(3) it is fixedly connected with the drive end bearing bracket (1), second stator core (9) is fixedly connected with the rear end cap (7), described fixed
Sub- winding (12) is on first stator core (3) and second stator core (9).
9. a kind of ultrahigh speed permanent magnet disc motor according to claim 1, which is characterized in that the rotor jacket (5)
Material is high-strength alloy sheath, and mounting means is interference fit, permanent magnet is served radially fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721713322.6U CN207504659U (en) | 2017-12-11 | 2017-12-11 | Ultrahigh speed permanent magnet disc motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721713322.6U CN207504659U (en) | 2017-12-11 | 2017-12-11 | Ultrahigh speed permanent magnet disc motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207504659U true CN207504659U (en) | 2018-06-15 |
Family
ID=62508663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721713322.6U Active CN207504659U (en) | 2017-12-11 | 2017-12-11 | Ultrahigh speed permanent magnet disc motor |
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| Country | Link |
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| CN (1) | CN207504659U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301953A (en) * | 2018-11-09 | 2019-02-01 | 仪坤动力科技（上海）有限公司 | Bimorph transducer disc type electric machine end cap connection structure and bimorph transducer disc type electric machine |
| CN109768656A (en) * | 2019-03-08 | 2019-05-17 | 贵州航天林泉电机有限公司 | A kind of radiator structure of axial magnetic flux disc type electric machine |
| CN109904951A (en) * | 2017-12-11 | 2019-06-18 | 北京金风科创风电设备有限公司 | Ultra-high-speed permanent magnet disc type motor and mounting method thereof |
| CN110635641A (en) * | 2019-09-24 | 2019-12-31 | 哈尔滨工业大学 | Axial magnetic field reverse salient pole permanent magnet synchronous motor |
-
2017
- 2017-12-11 CN CN201721713322.6U patent/CN207504659U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904951A (en) * | 2017-12-11 | 2019-06-18 | 北京金风科创风电设备有限公司 | Ultra-high-speed permanent magnet disc type motor and mounting method thereof |
| CN109301953A (en) * | 2018-11-09 | 2019-02-01 | 仪坤动力科技（上海）有限公司 | Bimorph transducer disc type electric machine end cap connection structure and bimorph transducer disc type electric machine |
| CN109301953B (en) * | 2018-11-09 | 2023-12-19 | 仪坤动力科技（上海）有限公司 | Double-stator disc type motor end cover connecting structure and double-stator disc type motor |
| CN109768656A (en) * | 2019-03-08 | 2019-05-17 | 贵州航天林泉电机有限公司 | A kind of radiator structure of axial magnetic flux disc type electric machine |
| CN110635641A (en) * | 2019-09-24 | 2019-12-31 | 哈尔滨工业大学 | Axial magnetic field reverse salient pole permanent magnet synchronous motor |
| CN110635641B (en) * | 2019-09-24 | 2020-10-27 | 哈尔滨工业大学 | Axial magnetic field reverse salient pole permanent magnet synchronous motor |
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