CN107017754A - The fault-tolerant straight line vernier motor of cylindrical permanent - Google Patents
The fault-tolerant straight line vernier motor of cylindrical permanent Download PDFInfo
- Publication number
- CN107017754A CN107017754A CN201710271527.1A CN201710271527A CN107017754A CN 107017754 A CN107017754 A CN 107017754A CN 201710271527 A CN201710271527 A CN 201710271527A CN 107017754 A CN107017754 A CN 107017754A
- Authority
- CN
- China
- Prior art keywords
- unit module
- motor
- permanent magnet
- armature
- primary
- 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
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
- H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
- H02K41/033—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type with armature and magnets on one member, the other member being a flux distributor
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/17—Stator cores with permanent magnets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Linear Motors (AREA)
Abstract
The present invention discloses a kind of fault-tolerant straight line vernier motor of cylindrical permanent, and the motor includes primary (1), secondary (2), armature winding (3), permanent magnet array (4), air gap (5)；Air gap (5) is arranged between primary (1) and secondary (2)；Unit module (11) of the primary (1) comprising three identical structure types and equidistant arrangement, unit module (11) is made up of two adjacent armature tooth A (12), B (13), groove is provided between adjacent armature tooth A (12), B (13), groove is embedded in pie winding (3)；The increment of embedded primary (1) unit module (11) of permanent magnet array (4).The combination of cylinder motor and cursor effect causes motor to have the efficiency of bigger pushing force density and Geng Gao, the use of Primary modular complementary structure, improves the fault freedom of motor, eliminates cylindrical linear because of longitudinal edge effect adverse effect simultaneously.
Description
Technical field
The present invention relates to the fault-tolerant straight line vernier motor of cylinder permanent magnetic line motor, particularly cylindrical permanent, it is adaptable to
Automobile suspension system etc. requires the application scenario of high thrust, high reliability, belongs to New-type electric machine manufacturing technology field.
Background technology
In recent years, the ride performance and control stability of vehicle are increasingly paid close attention to by people.Suspension is used as vehicle
On damping protect steady part, it is of crucial importance to improving ride performance and control stability, so the research of vehicle suspension and opening
Problem of the hair as frontier nature.
From the perspective of controling power, suspension can be divided into passive suspension, semi-active suspension and the basic class of three kinds of Active suspension
Type.There is significant limitation in terms of the passive ride performance and control stability for being suspended in coordination vehicle, so in recent years
People have carried out research half-and-half actively with Active suspension, compared with semi-active suspension, and Active suspension has higher maneuverability
Can, more current scientific research personnel is favored, and has progressively been applied to the high-end riding vehicle of some automobile brands.
In former correlative study, it has been proposed that be possibly used for the various motor topology structures of vehicle active suspension.
In possible topological structure, cylinder permanent magnetic line motor does not have an End winding because of the particularity of its structure, and copper loss is low and not
There is the composite request that transverse end effect meets vehicle active suspension.However, cylinder permanent magnetic line motor is also inevitable
There are some shortcomings in ground, for example, reliability is not high, thrust is more low, limits it and is requiring high thrust, high reliability occasion
Extensive use.
It is straight that Chinese invention patent application number 201510662900.7 discloses a kind of embedded mixing fault-tolerant cylinder of magnetic material
Line motor, concentratred winding mode and permanent magnet embed effective combination of modes of emplacement and the introducing of fault-tolerant teeth, not only increase
The pushing force density and power density of motor and the reliability for improving the invention motor.Chinese invention patent application number
201610590925.5 disclose a kind of fault-tolerant permanent magnetism vernier cylinder motor of electromagnetic suspension, and the invention motor is swum by efficient combination
Motor and double-stator structure are marked, motor pushing force density is increased, reduces thrust calculation.But, the use nothing of double-stator structure
The complexity of electric machine structure is added in shape, design and cost of manufacture is added.Above invention is all by armature core
Fault-tolerant teeth is introduced, the electric isolution between phase and phase is realized, is thermally isolated and magnetic circuit decoupling, so as to reach good fault freedom.But
It is that the introducing of fault-tolerant teeth sacrifices the pushing force density and power density of motor to a certain extent.
The content of the invention
The purpose of the present invention is, for the deficiency of existing cylinder permanent magnetic line motor, proposes that a kind of cylindrical permanent holds
Wrong straight line vernier motor, its armature winding is round pie, without End winding, and copper loss is low and by cylinder motor and cursor effect phase
With reference to the efficiency for causing motor that there is bigger pushing force density and Geng Gao.The use of modularization complementary structure, realizes phase and phase
Between electric isolution, be thermally isolated and magnetic circuit decoupling, reached good fault freedom, eliminated cylindrical linear because of longitudinal direction
Side-termind effect adverse effect, obtain more sinusoidal symmetrical counter electromotive force, each unit module detent force it is mutual
Offset, reduce the detent force and thrust calculation of motor.Permanent magnet uses the form of array simultaneously, reduces permanent magnet consumption,
Reduce motor cost and alleviate the problem of armature tooth brow leakage is serious, so as to add the counter electromotive force in winding, carry
The high thrust output characteristics of motor.
Specifically, the present invention is to take following technical scheme to realize：Air gap (5) is arranged on primary (1) and secondary
Between level (2)；Unit module (11) of the primary (1) comprising three identical structure types and equidistant arrangement, unit module
(11) it is made up of two adjacent armature tooth A (12), B (13), two neighboring armature tooth A (12), B (13) tooth pitch meet (j+
1/2) τ, j are positive integer, and τ is secondary pole span, and the tooth of the two is respectively perpendicular as parallel teeth and extends to primary (1) yoke portion, and first
Level (1) yoke portion is connected, and forms overall, and the spacing between neighboring unit module (11) meets (k+1/s) τ, k=0,1, and 2 ..., τ is
Secondary pole span, s is to be provided with groove between unit module number, adjacent armature tooth A (12), B (13), and groove is embedded in pie winding (3)；
The increment of unit module (11) opens embedded permanent magnet array (4) in empty groove, empty groove；The secondary (2) opens dovetail groove and forms some
Individual Wehnelt electrode (21), the effect with modulation magnetic field, the yoke thickness of secondary (2) should be greater than the yoke thickness of primary (1).
Further improvement of the present invention is：Unit module (11) per phase armature winding (3) with corresponding, s unit
Module (11) constitutes s phase motors.
Further improvement of the present invention is：The armature tooth ends of the unit module (11) are provided with 6*s empty groove altogether, often
Individual armature tooth ends are respectively provided with embedded permanent magnet array (4) in 3 empty grooves, empty groove, and permanent magnet array (4) is by positioned at middle one
Block magnetizes by the first kind permanent magnet (41) for pointing to air gap direction radial magnetizing and positioned at two pieces of both sides by intermediate radial is pointed to
First kind permanent magnet axial charging Equations of The Second Kind permanent magnet (42) composition, the axial width of first kind permanent magnet (41) is equal to electricity
The axial width of armature tooth end void tooth (14) and the axial width for being more than Equations of The Second Kind permanent magnet (42).
Further improvement of the present invention is：Unit module number s, unit module effective length S1, secondary pole span τ and secondary
Effective tooth number N, meets：τ N=sS1。
Further improvement of the present invention is：The number of pole-pairs and armature winding for the Distribution of Magnetic Field that permanent magnet array (4) is produced
(3) the number of pole-pairs sum of the armature field distribution produced is equal to secondary (2) and opens the number that dovetail groove forms effective Wehnelt electrode (21),
And all met for motor overall structure or independent unit module structure.
Further improvement of the present invention is：120 ° of electrical angles of space phase mutual deviation between primary neighboring unit module, so
120 ° of electrical angles of detent force waveform mutual deviation of each unit module.
Further improvement of the present invention is：Primary (1) and secondary (2) is partly made up of permeability magnetic material, permanent magnet array
(4) the rubidium iron boron or cheap ferrite permanent-magnet materials of high energy product can be selected according to the actual needs.
Beneficial effect:
1. the Primary modular complementary structure in the present invention realizes electric isolution between phase and phase, is thermally isolated and magnetic circuit solution
Coupling, has reached good fault freedom, at the same also eliminate cylindrical linear because longitudinal edge effect brought it is unfavorable
Influence, obtains more sinusoidal symmetrical counter electromotive force.
2. primary 120 ° of electrical angles of neighboring unit module space phase mutual deviation in the present invention, so each unit module is determined
Position Reeb 120 ° of electrical angles of shape mutual deviation, can cancel out each other, so as to reduce the detent force and thrust calculation of motor.
3. the permanent magnet in the present invention uses the form of array, reduce the consumption of permanent magnet, reduce the cost of motor,
Its poly- magnetic effect alleviates the problem of tooth ends leakage field is serious simultaneously, and the effective magnetic for adding magnetic circuit is close, so as to improve motor
Thrust output characteristics.
4. the armature winding in the present invention is round pie, without End winding, copper loss is low.
5. the cylinder motor and cursor effect in the present invention combine to function such that motor has bigger pushing force density and Geng Gao
Efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of motor of the embodiment of the present invention.
Fig. 2 is permanent magnet array structure enlarged diagram in Fig. 1.
Distribution of Magnetic Field figure when Fig. 3 is motor permanent magnet independent role of the embodiment of the present invention.
Fig. 4 is the three-phase back emf waveform figure of motor of the embodiment of the present invention
Fig. 5 is the detent force oscillogram of motor of the embodiment of the present invention.
Fig. 6 is the thrust oscillogram of motor of the embodiment of the present invention.
Label title in figure：1st, it is primary, 11, unit module, 12, armature tooth A, 13, armature tooth B, 14, empty tooth, 2, secondary,
21st, Wehnelt electrode, 3, armature winding, 31, A phase armature winding A, 32, B phase armature winding B, 33, C phase armature winding C, 4, permanent magnet
Array, 41, first kind permanent magnet, 42, Equations of The Second Kind permanent magnet, 5, air gap.
Embodiment
Below with a specific three phase electric machine, referring to the drawings, design feature and beneficial effect to motor of the present invention are entered
Row is described in detail.
As shown in figure 1, the invention discloses the fault-tolerant straight line vernier motor of cylindrical permanent, air gap (5) is arranged on primary (1)
Between secondary (2)；Unit module (11) of the primary (1) comprising three identical structure types and equidistant arrangement, unit mould
Block (11) is made up of two adjacent armature tooth A (12), B (13), and two neighboring armature tooth A (12), B (13) tooth pitch meet 7
τ/2, τ is secondary pole span, and the tooth of the two is respectively perpendicular as parallel teeth and extends to primary (1) yoke portion, with primary (1) yoke portion phase
Even, form overall, it is secondary pole span, adjacent armature tooth A (12), B that the spacing between neighboring unit module (11), which meets τ/3, τ,
(13) groove is provided between, groove is embedded in pie winding (3), groove shown from left to right, be embedded with successively A phase armature winding A (31),
C phase armature winding C (33) and B phase armature winding B (32)；The increment of unit module (11) opens embedded permanent magnet in empty groove, empty groove
Array (4)；The secondary (2) opens dovetail groove and forms several Wehnelt electrodes (21), the effect with modulation magnetic field, secondary (2)
The yoke that yoke thickness should be greater than primary (1) is thick.
In order to fairly set out the embodiment of the present invention, the present invention is added below in conjunction with the three phase electric machine in accompanying drawing
With explanation, it can be seen that the armature tooth ends of unit module (11) are provided with 18 empty grooves, each armature tooth and are respectively provided with 3 altogether
Embedded permanent magnet array (4) in empty groove, empty groove, permanent magnet array (4) points to air gap direction radially by being pressed positioned at middle one piece
The second of the first kind permanent magnet (41) magnetized and two pieces of first kind permanent magnet axial chargings by sensing centre positioned at both sides
Class permanent magnet (42) is constituted, and as denoted by the arrows in fig. 2, the axial length of first kind permanent magnet (41) is equal to specific magnetizing direction
The axial length of armature tooth ends void tooth (14) and the axial length for being more than Equations of The Second Kind permanent magnet (42)；Permanent magnet array (4) is produced
The number of pole-pairs sum for the armature field distribution that the number of pole-pairs of raw Distribution of Magnetic Field is produced with armature winding (3) is equal to secondary (2) and opened
Dovetail groove forms the number of effective Wehnelt electrode (21), and for motor overall structure or independent unit module structure all
Meet.The number of pole-pairs of the Distribution of Magnetic Field produced for motor overall structure, permanent magnet array (4) is 18, and armature winding (3) is produced
The number of pole-pairs of armature field distribution be 3, it is 21 that secondary (2), which open dovetail groove and form the number of effective Wehnelt electrode (21), meets trip
Relation is modulated in mark motor, for independent unit module structure, the number of pole-pairs for the Distribution of Magnetic Field that permanent magnet array (4) is produced is
6, the number of pole-pairs for the armature field distribution that armature winding (3) is produced is 1, and secondary (2) open dovetail groove and form effective Wehnelt electrode (21)
Number be 7, also meet and relation modulated in vernier motor.
Fig. 3 be motor permanent magnet independent role of the embodiment of the present invention when Distribution of Magnetic Field figure, as can be seen from the figure each
The magnetic line of force that permanent magnet array is produced on unit module illustrate mutual between each phase only by the armature tooth of unit module where oneself
Do not influence, therefore Primary modular structure can effectively realize electric isolution between phase and phase, be thermally isolated and magnetic circuit decoupling, reach
To good fault freedom.
Fig. 4 is the three-phase back emf waveform figure of motor of the embodiment of the present invention, as can be seen from the figure the embodiment of the present invention
Three phase back-emfs of motor are sinusoidal symmetrical, illustrate Primary modular complementary structure effectively eliminated cylindrical linear because
Longitudinal edge effect adverse effect.
Fig. 5 is the detent force oscillogram of motor of the embodiment of the present invention, it can be seen that each unit module independent role
When the detent force waveform that produces it is basically identical, simply there is difference slightly due to longitudinal side end of both sides unit module in peak-to-peak value
Effect is more than the longitudinal edge effect of temporary location module, and differs in phase certain electrical angle, therefore each unit module
Between detent force cancel out each other so that the integrally-built detent force of final motor is greatly reduced.
Fig. 6 is thrust oscillogram of the motor of the embodiment of the present invention when electric loading is 183A/cm, it can be seen that
The thrust of motor is larger, thrust calculation is smaller, therefore the output characteristics of motor is improved.
To sum up, the fault-tolerant straight line vernier motor of cylindrical permanent in the present invention, its armature winding is round pie, without end
Winding, copper loss is low and cylinder motor and cursor effect are combined to the effect for causing motor to have bigger pushing force density and Geng Gao
Rate.The use of modularization complementary structure, realizes the electric isolution between phase and phase, is thermally isolated and magnetic circuit decoupling, reached very well
Fault freedom, eliminate cylindrical linear because of longitudinal edge effect adverse effect, obtain more sinusoidal
Symmetrical counter electromotive force, the detent force of each unit module cancel each other, and reduce the detent force and thrust calculation of motor.Forever simultaneously
Magnet uses the form of array, reduces permanent magnet consumption, reduces motor cost and to alleviate armature tooth brow leakage serious
The problem of, so as to add the counter electromotive force in winding, improve the thrust output characteristics of motor.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example are described
Structure, material or feature are contained at least one embodiment of the present invention or example.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can in an appropriate manner be combined in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (7)
1. the fault-tolerant straight line vernier motor of cylindrical permanent, it is characterised in that：It is primary (1) and secondary including primary (1), secondary (2)
(2) air gap (5) is provided between；
Unit module (11) of the primary (1) comprising three identical structure types and equidistant arrangement, unit module (11) is by phase
Two armature tooth A (12) of neighbour, armature B (13) compositions, two neighboring armature tooth A (12), armature B (13) tooth pitch meet (j+
1/2) τ, j are positive integer, and τ is secondary pole span, and the tooth of the two is respectively perpendicular as parallel teeth and extends to primary (1) yoke portion, and first
Level (1) yoke portion is connected, and forms overall, and the spacing between neighboring unit module (11) meets (k+1/s) τ, k=0,1, and 2 ..., τ is
Secondary pole span, s is unit module number, and adjacent armature tooth A (12), armature B is provided with groove between (13), and groove is embedded in pie winding
(3)；The increment of unit module (11) opens embedded permanent magnet array (4) in empty groove, empty groove；The secondary (2) is opened dovetail groove and formed
Several Wehnelt electrodes (21), the effect with modulation magnetic field, the yoke thickness of secondary (2) should be greater than the yoke thickness of primary (1).
2. the fault-tolerant straight line vernier motor of cylindrical permanent according to claim 1, it is characterised in that：Unit module (11) with
Corresponded per phase armature winding (3), s unit module (11) constitutes s phase motors.
3. the fault-tolerant straight line vernier motor of cylindrical permanent according to claim 1, it is characterised in that：The unit module
(11) armature tooth ends are provided with 6*s empty groove altogether, and each armature tooth ends are respectively provided with embedded permanent magnet in 3 empty grooves, empty groove
Array (4), permanent magnet array (4) is by positioned at the middle one piece first kind permanent magnet (41) by sensing air gap direction radial magnetizing
With positioned at two pieces of both sides by Equations of The Second Kind permanent magnet (42) group for pointing to the first kind permanent magnet axial charging that intermediate radial magnetizes
Into the axial width of first kind permanent magnet (41) is equal to the axial width of the empty tooth (14) of armature tooth ends and more than Equations of The Second Kind permanent magnetism
The axial width of body (42).
4. the fault-tolerant straight line vernier motor of cylindrical permanent according to claim 1, it is characterised in that：Unit module number s, list
Element module effective length S1, secondary pole span τ and secondary effectively tooth number N, meet：τ N=sS1。
5. the fault-tolerant straight line vernier motor of cylindrical permanent according to claim 1, it is characterised in that：Permanent magnet array (4)
The number of pole-pairs sum for the armature field distribution that the number of pole-pairs of the Distribution of Magnetic Field of generation is produced with armature winding (3) is equal to secondary (2)
The number that dovetail groove forms effective Wehnelt electrode (21) is opened, and no matter for motor overall structure or independent unit module structure
All meet.
6. the fault-tolerant straight line vernier motor of cylindrical permanent according to claim 1, it is characterised in that：Primary (1) adjacent list
120 ° of electrical angles of space phase mutual deviation between element module, 120 ° of electrical angles of detent force waveform mutual deviation of each unit module.
7. the fault-tolerant straight line vernier motor of cylindrical permanent according to claim 1, it is characterised in that：It is primary (1) and secondary
(2) partly it is made up of permeability magnetic material, rubidium iron boron or cheap ferrite permanent-magnet material of the permanent magnet array (4) from high energy product
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710271527.1A CN107017754A (en) | 2017-04-24 | 2017-04-24 | The fault-tolerant straight line vernier motor of cylindrical permanent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710271527.1A CN107017754A (en) | 2017-04-24 | 2017-04-24 | The fault-tolerant straight line vernier motor of cylindrical permanent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107017754A true CN107017754A (en) | 2017-08-04 |
Family
ID=59448526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710271527.1A Pending CN107017754A (en) | 2017-04-24 | 2017-04-24 | The fault-tolerant straight line vernier motor of cylindrical permanent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107017754A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418387A (en) * | 2018-03-15 | 2018-08-17 | 鲁东大学 | A kind of cylindrical linear motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050023905A1 (en) * | 2003-07-31 | 2005-02-03 | Japan Servo Co., Ltd. | Toroidal-coil linear stepping motor, toroidal-coil linear reciprocating motor, cylinder compressor and cylinder pump using these motors |
| JP2006246570A (en) * | 2005-03-01 | 2006-09-14 | Canon Inc | Linear motor and exposure device using linear motor |
| US20090206686A1 (en) * | 2006-06-16 | 2009-08-20 | Siemens Aktiengesllschaft | Ring coil motor |
| CN103633810A (en) * | 2013-11-19 | 2014-03-12 | 江苏大学 | Tangential-magnetized magnetic flux reversed mixed excitation linear motor |
| CN105553222A (en) * | 2016-01-21 | 2016-05-04 | 江苏大学 | End-effect-free fault-tolerant permanent magnet vernier linear motor |
-
2017
- 2017-04-24 CN CN201710271527.1A patent/CN107017754A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050023905A1 (en) * | 2003-07-31 | 2005-02-03 | Japan Servo Co., Ltd. | Toroidal-coil linear stepping motor, toroidal-coil linear reciprocating motor, cylinder compressor and cylinder pump using these motors |
| JP2006246570A (en) * | 2005-03-01 | 2006-09-14 | Canon Inc | Linear motor and exposure device using linear motor |
| US20090206686A1 (en) * | 2006-06-16 | 2009-08-20 | Siemens Aktiengesllschaft | Ring coil motor |
| CN103633810A (en) * | 2013-11-19 | 2014-03-12 | 江苏大学 | Tangential-magnetized magnetic flux reversed mixed excitation linear motor |
| CN105553222A (en) * | 2016-01-21 | 2016-05-04 | 江苏大学 | End-effect-free fault-tolerant permanent magnet vernier linear motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418387A (en) * | 2018-03-15 | 2018-08-17 | 鲁东大学 | A kind of cylindrical linear motor |
| CN108418387B (en) * | 2018-03-15 | 2020-06-26 | 哈尔滨工业大学（威海） | Cylindrical linear motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108076676B (en) | Rotating electrical machine and vehicle | |
| CN104883016B (en) | A kind of bimorph transducer magnetic field modulation type magneto | |
| Ooi et al. | Performance evaluation of a high-power-density PMASynRM with ferrite magnets | |
| US9685828B2 (en) | Electric machine with multiple air gaps and a 3D magnetic flux | |
| EP2515417B1 (en) | A synchronous permanent magnet machine | |
| CN102761187B (en) | Motor rotor and built-in type permanent-magnet motor | |
| CN101707404A (en) | Halbach array disk rotor of permanent magnet motor with composite structure | |
| CN103825418A (en) | Single-winding non-bearing magnetic flux switching permanent magnetic motor | |
| CN108809030B (en) | Two-degree-of-freedom bearingless switched reluctance motor controlled by external winding set | |
| CN101662172A (en) | Composite excitation type magnetic flux reverse motor | |
| CN105186818A (en) | Permanent magnet synchronous motor with hybrid magnetic circuit arrangement | |
| CN103248148A (en) | Mixed excitation stator surface-mounted double-salient motor | |
| CN202503378U (en) | Three-phase hybrid excitation magnetic flux reversal motor | |
| CN106130214B (en) | A kind of fault-tolerant permanent magnetism vernier cylinder motor of electromagnetic suspension | |
| CN105576924A (en) | Built-in permanent-magnet synchronous motor | |
| Zhou et al. | Design and analysis of low-cost tubular fault-tolerant interior permanent-magnet motor | |
| CN108462359A (en) | A kind of segmented secondary formula permanent magnetic linear synchronous motor | |
| WO2014008774A1 (en) | Linear electric motor with two-layer toroidal integer-slot winding | |
| CN107017754A (en) | The fault-tolerant straight line vernier motor of cylindrical permanent | |
| Cao et al. | A hybrid excitation flux-switching permanent magnet linear motor for urban rail transit | |
| CN202586554U (en) | Motor rotor and built-in permanent magnet motor | |
| CN107086754B (en) | A kind of composite excitation switch magnetic-linkage linear motor | |
| CN110611386B (en) | Motor rotor, motor and compressor | |
| CN105305769B (en) | A kind of salient pole fluting permanent magnet array and linear motor | |
| CN104283353B (en) | Winding complementary type multiphase half-tooth-winding flux switching motor |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170804 |