CN109038991A - A kind of 36/4 structure high-speed magneto - Google Patents
A kind of 36/4 structure high-speed magneto Download PDFInfo
- Publication number
- CN109038991A CN109038991A CN201811064468.1A CN201811064468A CN109038991A CN 109038991 A CN109038991 A CN 109038991A CN 201811064468 A CN201811064468 A CN 201811064468A CN 109038991 A CN109038991 A CN 109038991A
- Authority
- CN
- China
- Prior art keywords
- iron core
- axial force
- suspending power
- core
- magnetic
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/02—Machines with one stator and two or more rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N15/00—Holding or levitation devices using magnetic attraction or repulsion, not otherwise provided for
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The invention discloses a kind of 36/4 structure high-speed magnetoes, its stator torque iron core both ends is suspending power iron core, torque winding coil is wound on stator torque iron core, magnetic shield is between suspending power iron core and axial force iron core, suspending power iron core and axial force iron core are wound with suspending power iron core winding coil and axial force iron core winding coil respectively, suspending power iron core and axial force core interior are thrust disc, thrust disc covers on magnetic guiding loop, stator torque core interior is rotor core, and rotor core covers on magnetic guiding loop.The present invention is by splitting two parts for rotor core, and only there are two salient poles for every part, and compared to single rotor, which is easier to radiate, and can obtain quadrature field.Suspending power iron core, axial force iron core and thrust disc are made into the conical surface simultaneously, and suspending power iron core and axial force iron core are nested together, and shorten axial length.The deficiency that conventional high-speed permanent magnet motor is overcome in terms of two, improves electric efficiency.
Description
Technical field
The present invention relates to a kind of high-speed permanent magnet motors, and in particular to a kind of hybrid magnetic suspension bearing high-speed permanent magnet motor, it can
As high speed, high-precision driving motor.
Background technique
With the rapid development of National Industrial, the development of high-speed permanent magnet motor is increasingly taken seriously, however its reliability,
The problems such as height loss, heat dissipation are slowly, permanent magnetism body life time is short restricts the development of high-speed permanent magnet motor again.So developing a kind of reliable
Property the long high-speed permanent magnet motor of high and low loss, rapid heat dissipation, permanent magnetism body life time become a kind of urgent need in industrial technology.
Traditional high-speed permanent magnet motor causes disadvantage easy to damage at high speeds, and single magnetic since the radius of turn of permanent magnet is big
Suspension bearing can only realize the control in axially or radially one of direction.Therefore conventional high-speed permanent magnet motor is installed at one end
Radial magnetic suspension bearing carrys out control shaft in radial displacement, and the other end is using axial magnetic suspension bearing come control shaft lifting force
The axial displacement of disk, such structure then cause to control inaccurate, and increase motor size, make its application range system
About.
It is small in size since high-speed motor has high reliablity, the advantages that power density is high, speedy carding process, in high speed situation
With very big advantage.And high-speed permanent magnet motor compared to high-speed motor have higher power density, efficient advantage,
Development potentiality is very big.The permanent magnet of conventional high-speed permanent magnet motor is surface-mount type at present, i.e. permanent magnet is attached to rotor surface,
And eddy current effect caused by the higher hamonic wave that stator armature winding electric current generates causes permanent magnet to demagnetize so that motor heats up, and
Eddy-current loss is larger.
Summary of the invention
The purpose of the present invention is to provide a kind of 36/4 structure high-speed magnetoes, overcome existing high-speed permanent magnet motor skill
The deficiency of art divides the rotor into two, obtains quadrature field, makes motor more easy heat radiation.And by suspending power iron core and axial force iron
The tooth of core is made into the conical surface, and nests together, and reduces motor axial dimension.
To achieve the goals above, the invention provides the following technical scheme:
A kind of 36/4 structure high-speed magneto, by 36 stator torque iron cores, 36 torque winding wires
Circle, eight suspending power iron cores, eight magnetic shields, 16 axial force iron cores, eight suspending power iron core winding coils, 16 axis
It is fixed to power iron core winding coil, two thrust discs, four magnetic guiding loops, two permanent magnets, two rotor cores, an axis composition
Sub- torque iron core two sides are suspending power iron core and axial force iron core, and magnetic shield is between suspending power iron core and axial force iron core；
It is wound with torque winding coil on stator torque iron core, is wound with suspending power iron core winding on suspending power iron core and suspending power iron core respectively
Coil and axial force iron core winding coil, there are two teeth for each axial force iron core, and suspending power iron core and the axial force iron core flank of tooth are equal
For the conical surface；Thrust disc is located at suspending power iron core and axial force core interior, thrust disc cover on magnetic guiding loop, and permanent magnet is located at magnetic conduction
Between ring；Two rotor cores cover on intermediate two magnetic guiding loops；There are air gaps between rotor core and stator torque iron core；Often
The central angle of circular arc between a suspending power iron core teeth axial force iron core teeth adjacent thereto is 32 °, each axial force iron core
The central angle of circular arc between two teeth is 26 °；The inside of suspending power iron core and axial force iron core is thrust disc, rotor core
Inside is axis, and there are air gaps between stator torque iron core, rotor core.
The principle of above scheme is: permanent magnet provides the bias magnetic field of bearing-free switch reluctance motor, to generate stabilization
Suspending power.Permanent magnet passes through magnetic guiding loop, rotor core teeth portion, air gap, suspending power iron core yoke part, suspending power iron core teeth portion, pushes away
Power disk, magnetic guiding loop, permanent magnet form magnetic circuit, provide suspending power for rotor, while can also adjust in suspending power iron core winding coil
Electric current guarantee the rotor by stable suspending power.(suspending power iron core teeth is labeled as A1, A2, B1, B2) is with A1, A2 generation
From the point of view of magnetic circuit direction, then the magnetic circuit that the winding coil on suspending power iron core generates is known are as follows: the A1 known to coil canoe leads to
The pole N is equivalent to after electricity, A2 is equivalent to the pole S, and magnetic circuit is set out by suspending power iron core teeth A1, by air gap, thrust disc, magnetic guiding loop,
Axis returns to the pole A2；Magnetic circuit passes through suspending power iron core yoke part again, forms closed circuit, as shown in Figure 4.(permanent magnet is labeled as
P1, P2；Magnetic guiding loop is labeled as M1, M2, M3, M4；The magnetic circuit that stator torque iron core is generated labeled as R1, R2) permanent magnet P1
Are as follows: magnetic circuit is from the pole N of P1, by magnetic guiding loop M2, rotor core, air gap, R1, is divided into Liang Tiaolu later, one by R2,
The pole S of P2 is returned to after M3；Another road returns to the pole S of P1 after suspending power iron core or axial force iron core, thrust disc, M1.Forever
The magnetic circuit of the generation of magnet P2 are as follows: magnetic circuit is from the pole N of P2, by M4, thrust disc, suspending power iron core or axial force iron core,
The pole S of P2 is returned to after stator torque iron core, R2, M3.Due to the two tooth line directions rotor core R1 and the two tooth line sides R2
To vertical, i.e., see it is a quadrature field from axial, as shown in Figure 5.(stator torque iron core is labeled as C1, C2 ..., C18,
C1 ', C2 ' ..., C18 ') with (C1, C10, C1 ', C10 '), then known to the principle that generates of torque are as follows: C1, C10, C1 ', on C10 '
Coil windings series connection, be powered simultaneously, torque winding coil generate magnetic field, as shown in fig. 6, rotor rotation during, by
In the presence of magnetic pull, torque is generated.
36/4 structure high-speed magneto provided by the present invention, by the way that rotor core is split two parts, every part
Only there are two salient poles, and compared to single rotor, which is easier to radiate, and can obtain quadrature field.Suspending power iron simultaneously
Core, axial force iron core and thrust disc are made into the conical surface, and suspending power iron core and axial force iron core are nested together, and shorten axial direction
Length.The deficiency that conventional high-speed permanent magnet motor is overcome in terms of two, improves electric efficiency.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only one recorded in the present invention
A little embodiments are also possible to obtain other drawings based on these drawings for those of ordinary skill in the art.
Fig. 1 is the axial section of 36/4 structure high-speed magneto provided in an embodiment of the present invention；
Fig. 2 is rotor core structure figure in 36/4 structure high-speed magneto provided in an embodiment of the present invention；
Fig. 3 is suspending power iron core and axial force iron core knot in 36/4 structure high-speed magneto provided in an embodiment of the present invention
Composition；
Fig. 4 is suspending power iron core winding coil flux path in 36/4 structure high-speed magneto provided in an embodiment of the present invention
Diameter figure；
Fig. 5 is that the suspension of y-axis suffered by thrust disc is tried hard in 36/4 structure high-speed magneto provided in an embodiment of the present invention；
Fig. 6 is axial force iron core winding coil flux path in 36/4 structure high-speed magneto provided in an embodiment of the present invention
Diameter figure；
Fig. 7 is axial force diagram suffered by thrust disc in 36/4 structure high-speed magneto provided in an embodiment of the present invention；
Fig. 8 is permanent magnet flux path profile in 36/4 structure high-speed magneto provided in an embodiment of the present invention；
Fig. 9 is torque winding coil magnetic flux path figure in 36/4 structure high-speed magneto provided in an embodiment of the present invention.
Description of symbols:
1, stator torque iron core；2, torque winding coil；3, suspending power iron core；4, magnetic shield；5, axial force iron core；6, it hangs
Buoyancy iron core winding coil；7, axial force iron core winding coil；8, thrust disc；9, magnetic guiding loop；10, permanent magnet；11, rotor iron
Core；12, axis；13, air gap.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, below in conjunction with attached drawing to this hair
It is bright to be further detailed.
As shown in Figure 1, a kind of 36/4 structure high-speed magneto, by 36 stator torque iron core 1,36
The suspending power iron core of axial force iron core 5, eight of magnetic shield 4,16 of suspending power iron core 3, eight of torque winding coil 2, eight
The magnetic guiding loop 9, two permanent magnet 10, two of thrust disc 8, four of axial force iron core winding coil 7, two of winding coil 6,16
11, axis 12 of rotor core form.Totally three ten six teeth of stator torque iron core 1, are evenly distributed on circumference, and thereon around
There is torque winding coil 2.Four suspending power iron cores 3 are placed along+x ,-x ,+y, the direction-y, are wound with suspending power iron core winding wire thereon
Circle 6.There are four magnetic shield 4 and four axial force iron cores 5 in each 3 slot of suspending power iron core, and there are two each axial force iron cores 5
Tooth is wound with axial force iron core winding coil 7 on axial force iron core 5, and wherein magnetic shield 4 is located at suspending power iron core 3 and axial force iron
Between core 5, with the influence completely cut off between the two magnetic circuit.Thrust disc 8 is located inside suspending power iron core 3 and axial force iron core 5, and covers
On magnetic guiding loop 9.3 flank of tooth of suspending power iron core, 5 flank of tooth of axial force iron core and thrust disc are made into the conical surface, axial force iron core 5 can position
Displacement sensor.Two rotor cores 11 are (as shown in Figure 2) to be located inside stator torque iron core 1, and structure is two magnetic pole tooths
Salient-pole structure, two rotor cores are disposed vertically, and are all covered on magnetic guiding loop 9.Two permanent magnets 10 are both placed in 8 He of thrust disc
Between rotor core 11.It is axis 12 inside magnetic guiding loop 9, axis 12 need to have non-magnetic characteristic, to realize closing for permanent magnet
Magnetic flow path.There are air gaps 13 between rotor core 11 and stator torque iron core 1.
Fig. 3 is the structure chart of suspending power iron core 3 and axial force iron core 5 in 36/4 high-speed permanent magnet motor, wherein suspending power iron
Core 3 tooth A1, A2 are one group, and B1, B2 are one group.Axial force iron core winding coil, every group of coil phase are wound on 5 tooth of axial force iron core
It is mutually independent.The central angle of circular arc corresponding to 3 tooth A1 of suspending power iron core and 5 tooth T1 of axial force iron core is 32 °, axial force iron core 5
The central angle of circular arc corresponding to tooth T1 and T2 is 26 °, circular arc corresponding to 5 tooth T2 of axial force iron core and suspending power iron core teeth B1
Central angle be 32 °, remaining angle and so on.
Fig. 4 is magnetic flux path figure when suspending power iron core winding coil 6 works in 36/4 high-speed permanent magnet motor, suspending power iron
Tooth A1, A2 of core will form Equivalent Magnetic Field after being powered, and wherein magnetic circuit will be by passing through the 3 tooth A1 of axial force iron core for being equivalent to the pole N
Air gap 13, thrust disc 8, magnetic guiding loop 9 are crossed, is equivalent to the 3 tooth A2 of suspending power iron core of the pole S, then by suspending power iron core, form 1/2
Closed circle magnetic field.
Fig. 5 is y-axis direction suspending power schematic diagram suffered by thrust disc 8 in 36/4 high-speed permanent magnet motor, with suspending power iron core
Tooth A1, A1 ' for, tooth A1 and A1 ' they are two opposite teeth of motor both ends, since suspending power iron core 3 and thrust disc 8 are the conical surface,
Then power suffered by thrust disc 8 is vertical with the conical surface, and tooth A1, A1 ' on suspending power iron core winding 6 connect, then tooth A1, A1 ' is to thrust
The resultant force that disk 3 provides is equal in magnitude, while component of two resultant forces in z-axis direction is equal in magnitude, contrary, i.e. Fz1=-
Fz2, then resultant force of two thrust discs 8 in z-axis direction is zero, i.e., stress is zero to axis 12 in the axial direction, radial direction stress not
It is zero, to reach suspension control.
Fig. 6 is axial force iron core winding coil magnetic flux path figure in 36/4 high-speed permanent magnet motor, eight axial forces of one end
Iron core winding coil 7 is connected, the magnetic flux path figure formed when being powered in figure for eight axial force iron core winding coils 7, and coil is logical
After electricity, axial force iron core 5 forms Equivalent Magnetic Field, and magnetic circuit as shown in the figure is by passing through 5 tooth of axial force iron core for being equivalent to the pole N
Secondary air gap 13, thrust disc 8 return to its adjacent 5 tooth of axial force iron core for being equivalent to the pole S, then pass through 5 back yoke shape of axial force iron core
At closed circuit.
Fig. 7 is axial force schematic diagram suffered by thrust disc 8 in 36/4 high-speed permanent magnet motor, with tooth T1, T1 of axial force iron core '
For, since axial force iron core 5 and thrust disc 8 are the conical surface, then power suffered by thrust disc 8 is vertical with the conical surface, and tooth T1, T1 ' on
Axial force iron core winding 7 is connected, then the resultant force that tooth T1, T1 ' provides thrust disc 3 is equal in magnitude, while two resultant forces are in y-axis side
To component it is equal in magnitude, contrary, i.e. Fy1=-Fy2, then resultant force of the thrust disc 8 in y-axis direction is zero, i.e., axis 12 is in diameter
It is zero to direction stress, stress is not zero in the axial direction, to reach axial control.
Fig. 8 is permanent magnet flux path profile in 36/4 high-speed permanent magnet motor, the magnetic circuit that permanent magnet P1 is generated are as follows: magnetic circuit is from P1's
N sets out pole, and by magnetic guiding loop M2, rotor core, air gap, R1 is divided into Liang Tiaolu later, and one is passed through R2, and the S of P2 is returned to after M3
Pole；Suspending power iron core or axial force iron core are passed through in another road, thrust disc, and the pole S of P1 is returned to after M1, provides permanent magnet bias magnetic
?.The magnetic circuit of the generation of permanent magnet P2 are as follows: magnetic circuit is from the pole N of P2, by M4, thrust disc, suspending power iron core or axial force
Iron core, stator torque iron core return to the pole S of P2 after R2, M3.The rotor core of four teeth, which is divided into a pair, in the present invention has two
The rotor core of a tooth, two iron cores are disposed vertically, and from axially, are equivalent to permanent magnet and are produced an orthogonal magnetic field.
Fig. 9 be 36/4 high-speed permanent magnet motor in torque winding coil magnetic flux path figure, stator torque iron core 1 tooth C1, C10,
The torque winding coil 2 of C1 ', C10 ' torque winding coil 2 connect, C2, C11, C2 ', C11 ' are connected, and so on, nine groups
Coil circuits sequentially energization, is C1, C10, C1 in figure ', the magnetic flux path figure that the torque winding coil 2 of C10 ' is formed when being powered,
After coil is powered, stator torque iron core 1 forms Equivalent Magnetic Field, and magnetic circuit as shown in the figure is by being equivalent to the C1 of the pole N, by air gap
13, rotor core 11 returns on the C10 for being equivalent to the pole S, then forms closed circuit by the yoke portion of stator torque iron core 1.
Stator torque iron core 1 used in above-described embodiment is made of the material of magnetic conduction, as electrical pure iron, 1J50 or
40Cr.Axis 12 and magnetic shield 4 are made of non-magnetic material, such as copper, aluminium, titanium alloy metal.Magnetic guiding loop 9 is good with magnetic property
Good material is made, such as electrical pure iron, various carbon steel materials.Rotor core 11 can use the good electrician Bao Gang of magnetic property
The magnetic materials punching presses such as plate such as electrical pure iron, electrical steel plate DR510, DR470, DW350,1J50 and 1J79 fold.Forever
The material of magnet 10 is the good rare-earth permanent magnet of magnetic property or ferrite permanent magnet, is hollow cylindrical structure, the side of magnetizing
To for permanent magnetism body axis direction.Torque winding coil 2, suspending power iron core winding coil 6 and axial force iron-core coil 7 can use conduction
Paint-dipping drying forms after good copper wire winding.In addition, torque winding coil 2, suspending power iron core winding coil 6 and axial force iron
Core coil 7 is preferably centralization.
Above-mentioned 36/4 structure high-speed magneto, by the way that rotor core is split two parts, only there are two convex for every part
Pole, compared to single rotor, which is easier to radiate, and can obtain quadrature field.Suspending power iron core, axial force iron simultaneously
Core and thrust disc are made into the conical surface, and suspending power iron core and axial force iron core are nested together, and shorten axial length.From two
Aspect overcomes the deficiency of conventional high-speed permanent magnet motor, improves electric efficiency.
It is above that certain exemplary embodiments of the invention are only described by way of explanation, undoubtedly, for ability
The those of ordinary skill in domain without departing from the spirit and scope of the present invention can be with a variety of different modes to institute
The embodiment of description is modified.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as to the present invention
The limitation of claims.
Claims (6)
1. a kind of 36/4 structure high-speed magneto, which is characterized in that by 36 stator torque iron cores (1), 36
Torque winding coil (2), eight suspending power iron cores (3), eight magnetic shields (4), 16 axial force iron cores (5), eight suspensions
Power iron core winding coil (6), 16 axial force iron core winding coils (7), two thrust discs (8), four magnetic guiding loops (9), two
A permanent magnet (10), two rotor cores (11), axis (12) composition, stator torque iron core (1) two sides are suspending power iron core
(3) it is located between suspending power iron core (3) and axial force iron core (5) with axial force iron core (5), magnetic shield (4)；Stator torque iron core
(1) it is wound on torque winding coil (2), is wound with suspending power iron core winding respectively on suspending power iron core (3) and axial force iron core (5)
Coil (6) and axial force iron core winding coil (7), there are two tooth, the flank of tooth of suspending power iron core (3) for each axial force iron core (5)
The flank of tooth with axial force iron core (5) is the conical surface；Thrust disc (8) is located at suspending power iron core (3) and axial force iron core (5) is internal,
Thrust disc (8) covers on magnetic guiding loop (9), and permanent magnet (10) is located between magnetic guiding loop (9)；Two rotor cores (11) cover in centre
On two magnetic guiding loops (9)；There are air gap (13) between rotor core (11) and stator torque iron core (1)；Each suspending power iron core
The central angle of circular arc between tooth axial force iron core teeth adjacent thereto is 32 °, between two teeth of each axial force iron core (5)
Circular arc central angle be 26 °；The inside of suspending power iron core (3) and axial force iron core (5) is thrust disc (8), rotor core
(11) inside is axis (12), and there are air gap (13) between stator torque iron core (1), rotor core (11).
2. 36/4 structure high-speed magneto according to claim 1, which is characterized in that the stator torque iron core (1)
It is made of the material of magnetic conduction, such as electrical pure iron, 1J50 or 40Cr.
3. 36/4 structure high-speed magneto according to claim 1, which is characterized in that the material of the magnetic shield (4)
For any one in copper, aluminium or titanium alloy.
4. 36/4 structure high-speed magneto according to claim 1, which is characterized in that permanent magnet (10) magnetize
Direction is permanent magnet hollow cylinder axis direction.
5. 36/4 structure high-speed magneto according to claim 1, which is characterized in that the torque winding coil (2),
Suspending power iron core winding coil (6) and axial force iron core winding coil (7) are centralization.
6. 36/4 structure high-speed magneto according to claim 1, which is characterized in that the axis (12) is using non-magnetic
Material be made, such as any one in copper, aluminium or titanium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811064468.1A CN109038991A (en) | 2018-09-12 | 2018-09-12 | A kind of 36/4 structure high-speed magneto |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811064468.1A CN109038991A (en) | 2018-09-12 | 2018-09-12 | A kind of 36/4 structure high-speed magneto |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109038991A true CN109038991A (en) | 2018-12-18 |
Family
ID=64621210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811064468.1A Pending CN109038991A (en) | 2018-09-12 | 2018-09-12 | A kind of 36/4 structure high-speed magneto |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109038991A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111211657A (en) * | 2020-02-21 | 2020-05-29 | 南京航空航天大学 | Axial disc type five-degree-of-freedom suspension bearingless switched reluctance motor |
| CN112648289A (en) * | 2020-12-14 | 2021-04-13 | 北京航空航天大学 | Radial magnetic suspension type rotor bearing for superconducting claw-pole motor |
| CN115360880A (en) * | 2022-10-21 | 2022-11-18 | 山东天瑞重工有限公司 | Wound core thrust magnetic bearing |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5883552A (en) * | 1981-11-12 | 1983-05-19 | Hitachi Koki Co Ltd | Rotary machine |
| US20050151437A1 (en) * | 2002-05-24 | 2005-07-14 | Virginia Tech Intellectual Properties, Inc. | Radial-axial electromagnetic flux electric motor, coaxial electromagnetic flux electric motor, and rotor for same |
| CN101807869A (en) * | 2009-02-12 | 2010-08-18 | 卓向东 | Magnetic suspension bearing motor |
| CN102306995A (en) * | 2011-08-26 | 2012-01-04 | 北京航空航天大学 | Permanent magnet biased bearingless switched reluctance motor |
| CN103715945A (en) * | 2013-12-20 | 2014-04-09 | 北京航空航天大学 | 12/14 bearingless permanent magnet biased switched reluctance motor |
| CN105186740A (en) * | 2015-10-09 | 2015-12-23 | 清华大学 | Inertia energy storage system |
| CN105580255A (en) * | 2013-09-24 | 2016-05-11 | 三菱电机株式会社 | Magnetic induction motor |
| CN106655666A (en) * | 2016-11-25 | 2017-05-10 | 南京邮电大学 | Conical magnetic suspension dual-passage switch reluctance machine and control method |
| CN107181382A (en) * | 2017-07-19 | 2017-09-19 | 沈阳工业大学 | A kind of rotor alternate angle stator magnetic barrier type axial permanent magnetic aids in double salient-pole electric machine |
-
2018
- 2018-09-12 CN CN201811064468.1A patent/CN109038991A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5883552A (en) * | 1981-11-12 | 1983-05-19 | Hitachi Koki Co Ltd | Rotary machine |
| US20050151437A1 (en) * | 2002-05-24 | 2005-07-14 | Virginia Tech Intellectual Properties, Inc. | Radial-axial electromagnetic flux electric motor, coaxial electromagnetic flux electric motor, and rotor for same |
| CN101807869A (en) * | 2009-02-12 | 2010-08-18 | 卓向东 | Magnetic suspension bearing motor |
| CN102306995A (en) * | 2011-08-26 | 2012-01-04 | 北京航空航天大学 | Permanent magnet biased bearingless switched reluctance motor |
| CN105580255A (en) * | 2013-09-24 | 2016-05-11 | 三菱电机株式会社 | Magnetic induction motor |
| CN103715945A (en) * | 2013-12-20 | 2014-04-09 | 北京航空航天大学 | 12/14 bearingless permanent magnet biased switched reluctance motor |
| CN105186740A (en) * | 2015-10-09 | 2015-12-23 | 清华大学 | Inertia energy storage system |
| CN106655666A (en) * | 2016-11-25 | 2017-05-10 | 南京邮电大学 | Conical magnetic suspension dual-passage switch reluctance machine and control method |
| CN107181382A (en) * | 2017-07-19 | 2017-09-19 | 沈阳工业大学 | A kind of rotor alternate angle stator magnetic barrier type axial permanent magnetic aids in double salient-pole electric machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111211657A (en) * | 2020-02-21 | 2020-05-29 | 南京航空航天大学 | Axial disc type five-degree-of-freedom suspension bearingless switched reluctance motor |
| CN112648289A (en) * | 2020-12-14 | 2021-04-13 | 北京航空航天大学 | Radial magnetic suspension type rotor bearing for superconducting claw-pole motor |
| CN112648289B (en) * | 2020-12-14 | 2021-09-28 | 北京航空航天大学 | Radial magnetic suspension type rotor bearing for superconducting claw-pole motor |
| CN115360880A (en) * | 2022-10-21 | 2022-11-18 | 山东天瑞重工有限公司 | Wound core thrust magnetic bearing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105245073B (en) | Stator permanent magnetic type double-salient-pole disc type electric machine | |
| CN101299560B (en) | Flux switching type axial magnetic field permanent magnet brushless motor | |
| CN103490573B (en) | A kind of axial magnetic field Magneticflux-switching type surface-mount type permanent magnetism memory electrical machine | |
| CN103390978B (en) | A kind of bimorph transducer disc type mixed excitation electric machine | |
| CN105071562A (en) | Stator permanent magnet type field modulation motor | |
| CN107289003B (en) | Homopolarity formula permanent magnet offset radial magnetic bearing | |
| CN108141121B (en) | Electric motor | |
| CN108964396A (en) | Stator partition type replaces pole hybrid excitation motor | |
| CN109038991A (en) | A kind of 36/4 structure high-speed magneto | |
| US6891308B2 (en) | Extended core for motor/generator | |
| CN109412370A (en) | Magnetic flux suitching type Linear-rotation permanent-magnet actuator | |
| CN103269142B (en) | Molecular pump high-speed permanent magnet motor | |
| CN101938208A (en) | Axial linear motor | |
| CN110838779B (en) | Mixed excitation wound rotor and mixed excitation wound synchronous motor | |
| CN108649768B (en) | Hybrid excitation flux switching motor with stator having claw pole bypass structure | |
| US10770956B2 (en) | Electric machine | |
| CN102299599B (en) | High-speed electric machine with stator and permanent magnet | |
| JP2017204961A (en) | Dynamo-electric machine | |
| CN105915007B (en) | A kind of reluctance type disc type electric machine | |
| JP2016220434A (en) | Stator of rotary electric machine | |
| CN111740515B (en) | Rotor modular hybrid excitation switched reluctance motor | |
| CN115224903A (en) | Mixed excitation type bearingless switched reluctance motor | |
| RU116714U1 (en) | MAGNETO-DISK MACHINE | |
| CN107579639B (en) | High-temperature-resistant permanent magnet servo motor | |
| JP2008017579A (en) | Eddy current decelerating apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181218 |
|
| RJ01 | Rejection of invention patent application after publication |