CN106329794A - Radial and transverse magnetic circuit combined hybrid magnetic circuit motor - Google Patents
Radial and transverse magnetic circuit combined hybrid magnetic circuit motor Download PDFInfo
- Publication number
- CN106329794A CN106329794A CN201610852720.XA CN201610852720A CN106329794A CN 106329794 A CN106329794 A CN 106329794A CN 201610852720 A CN201610852720 A CN 201610852720A CN 106329794 A CN106329794 A CN 106329794A
- Authority
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- China
- Prior art keywords
- magnetic circuit
- radial direction
- stator
- combined
- magnetic shoe
- 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.)
- Pending
Links
- 230000001360 synchronised effect Effects 0.000 claims description 23
- 230000005284 excitation Effects 0.000 claims description 22
- 230000015572 biosynthetic process Effects 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 210000001503 joint Anatomy 0.000 abstract 1
- 239000011162 core material Substances 0.000 description 24
- 239000000463 material Substances 0.000 description 14
- 238000004804 winding Methods 0.000 description 10
- 230000006872 improvement Effects 0.000 description 8
- 238000001816 cooling Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 2
- 210000003298 dental enamel Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- RKLPWYXSIBFAJB-UHFFFAOYSA-N [Nd].[Pr] Chemical compound [Nd].[Pr] RKLPWYXSIBFAJB-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2786—Outer rotors
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The present invention provides a radial and transverse magnetic circuit combined hybrid magnetic circuit motor. The radial and transverse magnetic circuit combined hybrid magnetic circuit motor comprises a stator and a rotor; the stator comprises a stator shaft, a stator core and a formed coil; the rotor comprises a rotor core and a rear end cover; the rotor core is cylindrical; the rotor core comprises a barrel bottom and a barrel body; the rear end cover is in butt joint with the barrel body, so that a mounting cavity can be formed; the stator is located in the mounting cavity; the stator shaft is provided with a first bearing and a second bearing; the barrel bottom is rotatably connected with the stator shaft through the first bearing; the inner bottom surface of the barrel bottom is provided with axial magnetic shoes forming an axial magnetic circuit; the inner side surface of the barrel body is provided with radial magnetic shoes forming a radial magnetic circuit; and the inner end surface of the rear end cover is provided with second axial magnetic shoes forming an axis magnetic circuit.
Description
Technical field
The present invention relates to motor, particularly relate to the hybrid excitation synchronous motors that a kind of radial direction is combined with horizontal magnetic circuit.
Background technology
At present, automobile drive electric motor and AC servo motor industry use radial magnetic circuit structure, minority Automobile drive mostly
Motor begins attempt to the power density using horizontal magnetic circuit disc type electric machine to carry out lifting motor.External advanced enterprises such as Britain YASA,
Use non iron-core transverse magnetic flux disc-type permanent magnet motor technology, power of motor density is greatly improved, but its structure and technique are multiple
Miscellaneous, production efficiency is low, material and manufacturing cost are high, it is difficult to produce in enormous quantities.
Summary of the invention
In order to solve the problems of the prior art, the invention provides the mixed magnetic circuit that a kind of radial direction is combined with horizontal magnetic circuit
Motor.
The invention provides the hybrid excitation synchronous motors that a kind of radial direction is combined with horizontal magnetic circuit, including stator be arranged on described
Rotor on stator, described stator includes stator axis, the stator core being arranged in described stator axis and is arranged on described stator
Formed coil on iron core, described rotor includes that rotor core and rear end cap, described rotor core are cylindric, described rotor ferrum
Core includes bottom cylinder and barrel, and described rear end cap docks formation mutually with described barrel installs cavity, and described stator is positioned at institute
State in installation cavity body, described stator axis is respectively equipped with clutch shaft bearing and the second bearing, by described first axle bottom described cylinder
Holding and be rotatably connected with described stator axis, described rear end cap is rotatably connected with described stator axis by described second bearing, described cylinder
The inner bottom surface of bottom is provided with the first axial magnetic shoe forming axial magnetic circuit, and the medial surface of described barrel is provided with formation radially
The radial direction magnetic shoe of magnetic circuit, the inner face of described rear end cap is provided with the second axial magnetic shoe forming axis magnetic circuit.
As a further improvement on the present invention, described radial direction magnetic shoe at least three and central axis around described barrel
It is arranged in a circular formation.
As a further improvement on the present invention, the described first axial magnetic shoe at least three and center of circle bottom described cylinder
Being arranged in a circular formation, the described second axial magnetic shoe at least three and the center of circle around described rear end cap are arranged in a circular formation.
As a further improvement on the present invention, described stator core is that magnetic nurse cast forms.
As a further improvement on the present invention, described stator core is provided with coil recess, and described formed coil is fixed on
In described coil recess.
As a further improvement on the present invention, described formed coil is flat type copper wire or circular copper wire.
As a further improvement on the present invention, described radial direction magnetic shoe, the first axial magnetic shoe, the second axial magnetic shoe are neodymium ferrum
Boron permanent magnet.
As a further improvement on the present invention, described radial direction magnetic shoe is pasted onto on described barrel, described first axial magnetic
Watt being pasted onto on bottom described cylinder, the described second axial magnetic shoe is pasted onto on described rear end cap.
As a further improvement on the present invention, the internal diameter of described stator core is provided with spiral channel.
The invention has the beneficial effects as follows: by such scheme, define the mixing magnetic that radial magnetic circuit is combined with horizontal magnetic circuit
Road, simple in construction, low cost, it is suitable for producing in enormous quantities.
Accompanying drawing explanation
Fig. 1 is the front view of the stator of the hybrid excitation synchronous motors that a kind of radial direction of the present invention is combined with horizontal magnetic circuit.
Fig. 2 is the left view of the stator of the hybrid excitation synchronous motors that a kind of radial direction of the present invention is combined with horizontal magnetic circuit.
Fig. 3 is the front view of the rotor core of the hybrid excitation synchronous motors that a kind of radial direction of the present invention is combined with horizontal magnetic circuit.
Fig. 4 is the left view of the rotor core of the hybrid excitation synchronous motors that a kind of radial direction of the present invention is combined with horizontal magnetic circuit.
Fig. 5 is the front view of the rear end cap of the hybrid excitation synchronous motors that a kind of radial direction of the present invention is combined with horizontal magnetic circuit.
Fig. 6 is the left view of the rear end cap of the hybrid excitation synchronous motors that a kind of radial direction of the present invention is combined with horizontal magnetic circuit.
The sectional view of the hybrid excitation synchronous motors that a kind of radial direction of Fig. 7 present invention is combined with horizontal magnetic circuit.
Detailed description of the invention
The present invention is further described for explanation and detailed description of the invention below in conjunction with the accompanying drawings.
Drawing reference numeral in Fig. 1 to Fig. 7 is: stator axis 1；Stator core 2；Formed coil 3；Rotor core 4；First is axial
Magnetic shoe 5；Radially magnetic shoe 6；Rear end cap 7；Second axial magnetic shoe 8；Clutch shaft bearing 9；Second bearing 10；Spiral channel 11.
As shown in Figures 1 to 7, the hybrid excitation synchronous motors that a kind of radial direction is combined with horizontal magnetic circuit, including stator and being arranged on
Rotor on described stator, described stator includes stator axis 1, the stator core 2 being arranged in described stator axis 1 and is arranged on institute
Stating the formed coil 3 on stator core 2, described rotor includes rotor core 4 and rear end cap 7, and described rotor core 4 is cylinder
Shape, described rotor core 4 includes bottom cylinder 41 and barrel 42, and described rear end cap 7 docks formation peace with described barrel 72 phase
Behaveing affectedly body, described stator is positioned at described installation cavity body, and described stator axis 1 is respectively equipped with clutch shaft bearing 9 and the second bearing 10,
Bottom described cylinder, 41 are rotatably connected with described stator axis 1 by described clutch shaft bearing 9, and described rear end cap 7 is by described second axle
Holding 10 to be rotatably connected with described stator axis 1, bottom described cylinder, the inner bottom surface of 41 is provided with the first axial magnetic forming axial magnetic circuit
Watts 5, the medial surface of described barrel 42 is provided with the radial direction magnetic shoe 6 forming radial magnetic circuit, and the inner face of described rear end cap 7 sets
There is the second axial magnetic shoe 8 forming axis magnetic circuit.Owing to three magnetic circuit synchronous rotaries cut this winding, therefore exist at three magnetic circuits
The counter electromotive force cophase stacking produced in this winding, common and input current generation effect, produce synchronizing torque.So, one
Set winding can provide armature field for the horizontal magnetic circuit of outer ring radial magnetic circuit and two, side simultaneously, not only saves all directions magnetic circuit
The end material weight of winding and space, and decrease the resistance loss produced in winding, improve electric efficiency and power
Density, reduces production material and process costs.
As shown in Figures 1 to 7, described radial direction magnetic shoe 6 at least three and be circle around the central axis of described barrel 42
Shape is arranged.
As shown in Figures 1 to 7, the described first axial magnetic shoe 5 at least three and bottom described cylinder the center of circle of 41 be circle
Shape is arranged, the described second axial magnetic shoe 8 at least three and the center of circle around described rear end cap 7 are arranged in a circular formation.
As shown in Figures 1 to 7, described stator core 2 forms for SMC magnetic nurse cast, can be by horizontal, radial stator tooth
Groove and cooling water channel casting together, SMC magnetic nurse core material: this material is with highly purified iron powder as primary raw material, will
Powder particle surface carries out insulating process, uses the repressed shaping of PM technique, a class prepared after heat treatment
Novel soft magnetic materials, has relatively low high frequency eddy current losses, higher saturation induction density, can be processed into the 3D knot of complexity
Structure product.Because SMC magnetic nurse material stator core be structure as a whole (common electric machine stator core be mostly stalloy closed assembly and
Become, the seamed gap of sheet interlayer), it is difficult to infiltration, so its internal diameter can directly cast out or process spiral channel, cooling circuit manufacture
Operation is simple and reliable, and a set of cooling circuit can be simultaneously for the winding offer cooling in radial direction and horizontal three faces.Stator core
Overall dosing technology can be used after entering axle, improve heat conductivity and protective, make stator temperature distribution more uniform.
As shown in Figures 1 to 7, described stator core 2 is provided with coil recess, and described formed coil 3 is embedded in described line
In circle groove.
As shown in Figures 1 to 7, described formed coil 3 is enamel-cover flat type copper wire or enamel insulated round copper wire, enamel covered wire: this material
Material is a principal item of winding wire, is made up of conductor and insulating barrier two, after the annealed softening of bare wire, then through being repeatedly coated with
Paint, baking forms, and is widely used in motor and Transformer Winding makes.
As shown in Figures 1 to 7, the described axial magnetic shoe of radial direction magnetic shoe 6, first 5, second axial magnetic shoe 8 is neodymium iron boron forever
Magnet, Nd-Fe-B permanent magnet material: the latest result that this material develops as rare earth permanent-magnetic material, due to its excellence magnetic property and
It is referred to as " magnetic king ".Nd-Fe-B permanent magnet material is praseodymium neodymium metal, the alloy of ferro-boron etc., also known as magnet steel, has high magnetic energy product
And coercivity, the advantage of high-energy-density makes Nd-Fe-B permanent magnet material obtain in modern industry and electronic technology extensively simultaneously
Applying, conventional motors compared by the magneto using this material to make, and power density is greatly promoted.
As shown in Figures 1 to 7, described radial direction magnetic shoe 6 is pasted onto on described barrel 42, and the described first axial magnetic shoe 5 glues
Being attached to bottom described cylinder on 41, the described second axial magnetic shoe 8 is pasted onto on described rear end cap 7.
As shown in Figures 1 to 7, the internal diameter of described stator core 2 is provided with spiral channel 11.
The hybrid excitation synchronous motors that a kind of radial direction that the present invention provides is combined with horizontal magnetic circuit, uses SMC magnetic nurse material die casting
Become abnormity stator core structure, dexterously axial magnetic circuit and radial magnetic circuit are combined, share a set of winding；And utilize
The plasticity of SMC magnetic nurse material and good processing characteristics, form a spiral water route 11 between each magnetic circuit, can be effectively
Article three, magnetic circuit provides cooling, make use of to ultimate attainmentization motor internal space, substantially increases power of motor density.
The hybrid excitation synchronous motors that a kind of radial direction that the present invention provides is combined with horizontal magnetic circuit, is being greatly improved rotor flux
Under premise, stator winding resistance value, weight and end take up room and are effectively controlled, and make use of to ultimate attainmentization motor internal to stand
Body space.It addition, this stator hollow structure also reduces motor weight, thus substantially increase the power density of motor.Collection
The problem that the cooling circuit of middle and high effect overcomes motor stator for outer rotator heat radiation difficulty.
Above content is to combine concrete preferred implementation further description made for the present invention, it is impossible to assert
Being embodied as of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of present inventive concept, it is also possible to make some simple deduction or replace, all should be considered as belonging to the present invention's
Protection domain.
Claims (9)
1. the hybrid excitation synchronous motors that a radial direction is combined with horizontal magnetic circuit, it is characterised in that: include stator and be arranged on described fixed
Rotor on son, described stator includes stator axis, the stator core being arranged in described stator axis and is arranged on described stator ferrum
Formed coil on core, described rotor includes that rotor core and rear end cap, described rotor core are cylindric, described rotor core
Including bottom cylinder and barrel, described rear end cap docks formation mutually with described barrel installs cavity, and described stator is positioned at described
In installation cavity body, described stator axis is respectively equipped with clutch shaft bearing and the second bearing, by described clutch shaft bearing bottom described cylinder
Being rotatably connected with described stator axis, described rear end cap is rotatably connected with described stator axis by described second bearing, at the bottom of described cylinder
The inner bottom surface in portion is provided with the first axial magnetic shoe forming axial magnetic circuit, and the medial surface of described barrel is provided with formation radially magnetic
The radial direction magnetic shoe on road, the inner face of described rear end cap is provided with the second axial magnetic shoe forming axis magnetic circuit.
The hybrid excitation synchronous motors that radial direction the most according to claim 1 is combined with horizontal magnetic circuit, it is characterised in that: described radial direction
Magnetic shoe at least three and central axis around described barrel are arranged in a circular formation.
The hybrid excitation synchronous motors that radial direction the most according to claim 1 is combined with horizontal magnetic circuit, it is characterised in that: described first
Axially magnetic shoe at least three and the center of circle bottom described cylinder is arranged in a circular formation, and at least three also for the described second axial magnetic shoe
It is arranged in a circular formation around the center of circle of described rear end cap.
The hybrid excitation synchronous motors that radial direction the most according to claim 1 is combined with horizontal magnetic circuit, it is characterised in that: described stator
Iron core is that magnetic nurse cast forms.
The hybrid excitation synchronous motors that radial direction the most according to claim 1 is combined with horizontal magnetic circuit, it is characterised in that: described stator
Iron core is provided with coil recess, and described formed coil is fixed in described coil recess.
The hybrid excitation synchronous motors that radial direction the most according to claim 1 is combined with horizontal magnetic circuit, it is characterised in that: described molding
Coil is flat type copper wire or circular copper wire.
The hybrid excitation synchronous motors that radial direction the most according to claim 1 is combined with horizontal magnetic circuit, it is characterised in that: described radial direction
Magnetic shoe, the first axial magnetic shoe, the second axial magnetic shoe are Nd-Fe-B permanent magnet.
The hybrid excitation synchronous motors that radial direction the most according to claim 1 is combined with horizontal magnetic circuit, it is characterised in that: described radial direction
Magnetic shoe is pasted onto on described barrel, and the described first axial magnetic shoe is pasted onto on bottom described cylinder, and the described second axial magnetic shoe glues
It is attached on described rear end cap.
The hybrid excitation synchronous motors that radial direction the most according to claim 1 is combined with horizontal magnetic circuit, it is characterised in that: described stator
The internal diameter of iron core is provided with spiral channel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610709324 | 2016-08-23 | ||
| CN2016107093241 | 2016-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106329794A true CN106329794A (en) | 2017-01-11 |
Family
ID=57820136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610852720.XA Pending CN106329794A (en) | 2016-08-23 | 2016-09-27 | Radial and transverse magnetic circuit combined hybrid magnetic circuit motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106329794A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107809145A (en) * | 2017-10-27 | 2018-03-16 | 西安交通大学 | Journal axle mixes magnetic flux type permanent magnetism vernier motor |
| CN110311525A (en) * | 2019-06-27 | 2019-10-08 | 北京理工大学 | A shaft-radial mixed flux high torque permanent magnet motor |
| CN111585363A (en) * | 2020-06-12 | 2020-08-25 | 河北工业大学 | Soft magnetic composite material stator motor and cooling method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201001077Y (en) * | 2007-01-15 | 2008-01-02 | 大连光洋科技工程有限公司 | AC permanent magnetism synchronous external rotor type torque electric motor |
| CN101345440A (en) * | 2008-05-21 | 2009-01-14 | 哈尔滨工业大学 | Permanent Magnet Motor with Shaft-Radial Folded Windings |
| JP2011188730A (en) * | 2010-02-09 | 2011-09-22 | Fuji Electric Co Ltd | Ring coil motor |
| CN104113154A (en) * | 2014-06-03 | 2014-10-22 | 华中科技大学 | Embedded PMSM for turning-type electric main shaft |
| CN204012963U (en) * | 2014-06-25 | 2014-12-10 | 新誉集团有限公司 | High-power density external rotor DC brushless motor |
| CN206099593U (en) * | 2016-08-23 | 2017-04-12 | 深圳市正宇电动汽车技术有限公司 | Mixed magnetic circuit motor that radial and horizontal magnetic circuit combines |
-
2016
- 2016-09-27 CN CN201610852720.XA patent/CN106329794A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201001077Y (en) * | 2007-01-15 | 2008-01-02 | 大连光洋科技工程有限公司 | AC permanent magnetism synchronous external rotor type torque electric motor |
| CN101345440A (en) * | 2008-05-21 | 2009-01-14 | 哈尔滨工业大学 | Permanent Magnet Motor with Shaft-Radial Folded Windings |
| JP2011188730A (en) * | 2010-02-09 | 2011-09-22 | Fuji Electric Co Ltd | Ring coil motor |
| CN104113154A (en) * | 2014-06-03 | 2014-10-22 | 华中科技大学 | Embedded PMSM for turning-type electric main shaft |
| CN204012963U (en) * | 2014-06-25 | 2014-12-10 | 新誉集团有限公司 | High-power density external rotor DC brushless motor |
| CN206099593U (en) * | 2016-08-23 | 2017-04-12 | 深圳市正宇电动汽车技术有限公司 | Mixed magnetic circuit motor that radial and horizontal magnetic circuit combines |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107809145A (en) * | 2017-10-27 | 2018-03-16 | 西安交通大学 | Journal axle mixes magnetic flux type permanent magnetism vernier motor |
| CN110311525A (en) * | 2019-06-27 | 2019-10-08 | 北京理工大学 | A shaft-radial mixed flux high torque permanent magnet motor |
| CN111585363A (en) * | 2020-06-12 | 2020-08-25 | 河北工业大学 | Soft magnetic composite material stator motor and cooling method thereof |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170111 |