CN106899185A - Cross spiral inner stator tooth motor extremely arranged in a straight line - Google Patents
Cross spiral inner stator tooth motor extremely arranged in a straight line Download PDFInfo
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- CN106899185A CN106899185A CN201510951604.9A CN201510951604A CN106899185A CN 106899185 A CN106899185 A CN 106899185A CN 201510951604 A CN201510951604 A CN 201510951604A CN 106899185 A CN106899185 A CN 106899185A
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- tooth pole
- spiral
- stator tooth
- mover
- stator
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/03—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems
-
- 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
- H02K1/141—Stator cores with salient poles consisting of C-shaped cores
- H02K1/143—Stator cores with salient poles consisting of C-shaped cores of the horse-shoe type
-
- 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
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
-
- 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
Abstract
Cross spiral inner stator tooth motor extremely arranged in a straight line（111）, cross spiral inner stator tooth pole iron core（2111）It is arranged tooth polar curve circle outward（2112）Constitute cross spiral stator tooth pole component（2119）, cross spiral stator tooth pole component（2119）It is arranged in a straight line vertically to constitute cross inside spin stator tooth stator extremely arranged in a straight line（211）, spiral mover tooth pole is arranged outside it（311）, the outer mover tooth pole bar of spiral（3111）By cylinder stent（3112）It is fixed, form overall.Cross spiral inner stator tooth pole iron core（2111）Pitch be 816mm, width is 30mm, tooth polar curve circle（2112）Thickness be 2mm, the outer mover tooth pole bar of spiral（3111）Pitch be 816mm, length is 204mm, and the angle between the outer mover tooth pole unit center line of two helical layers is 15 °.
Description
Technical field
The invention belongs to machine field, particularly as being a kind of switched reluctance motor of new structure.
Background technology
Switch magnetic-resistance motor system（Switched Reluctance Drive ：SRD）It is the latest generation continuous speed regulation system grown up after frequency conversion speed-adjusting system, Speed Regulating System of Brushless DC Motor, is the light, mechanical, electrical integrated new and high technology for integrating modern microelectronic technology, digital technology, Power Electronic Technique, infrared electro technology and modern electromagnetic, design and manufacturing technology.
SRD is main by switched reluctance motor（SRM）, power inverter, controller, the most of composition of rotor position detector four.Comprising control circuit and power inverter in controller, and rotor position detector is then installed in one end of motor.
Switched reluctance motor used by SRD（SRM）It is the part that energy converting between mechanical is realized in SRD, is also the outstanding feature that SRD is different from other electric motor drive systems.Existing SRM systems double-salient-pole variable reluctance motor, the salient pole of its stator and rotor is overrided to form by common silicon steel sheet.Rotor both without winding or without permanent magnet, was wound with concentratred winding in stator poles, two windings diametrically are linked up, referred to as " phase ", and SR motor can be designed to various different phase table structures, and the number of poles of stator and rotor has various different collocation.The number of phases is more, step angle is small, advantageously reduces torque pulsation, but complex structure, and main switching device is more, high cost, now using it is more be four phases（8/6）Structure and three-phase（12/8）Structure.
Switched reluctance motor transmission system combines the advantage of Induction motor drives and direct current drive electric motor of automobile transmission system, is the contenders of these transmission systems, and its major advantage is as follows：
1st, switched reluctance motor has larger utilization factor of motor, can be 1.2~1.4 times of induction conductivity usage factor.2nd, the simple structure of motor, does not have any type of winding on rotor；There was only simple concentratred winding on stator, end is shorter, does not have alternate jumper.Therefore, with manufacturing process is few, low cost, reliable operation, a little repair the features such as.3rd, the torque of switched reluctance motor is unrelated with current polarity, only need to unidirectional current excitation, ideally in common ratio translation circuit per mutually can only with a switch element, and with motor windings in series, will not there is the straight-through danger of two switch elements as PWM inverter power supply.So, Switch reluctance motor driving system SED circuits are simple, and reliability is high, and cost is less than PWM Alternating Current Governor Systems.4th, the structure type of switched reluctance motor rotor limits small to rotating speed, can be made into pot-motor, and the rotary inertia of rotor is small, can at any time change the size and Orientation of phase circle torque again in each commutation of electric current, thus system has good dynamic response.5th, the control that SRD systems can be by the conducting to electric current, disconnection and to amplitude, is met the mechanical property of different loads requirement, it is easy to accomplish the function such as soft start and four quadrant running of system, and control is flexible.Again because SRD systems are self-synchronizing system operations, will not occur unstable and oscillation problem in low frequency as the induction conductivity of conversion power supply.6th, because SR switched reluctance motors employ the structure and method for designing of uniqueness and control skill accordingly, its processed in units can compare favourably with induction conductivity, or even also hold advantage slightly.The efficiency and power density of SRD systems can maintain teaching level in broad speed and loading range.
The major defect of Switch reluctance motor driving system is：
1st, there is torque pulsation.Knowable to operation principle, the torque produced on S switched reluctance motor rotors is formed by stacking by some row pulse torques, due to the influence of double-salient-pole structure and magnetic circuit saturation nonlinearity, synthesis torque is not a constant torque, and having certain harmonic component, this have impact on SR motor low cruise performances.2nd, the noise of SR motor transmission agents is bigger than general motor with vibrations.
Disadvantages mentioned above, is substantially that the structure of the Switch reluctance motor driving system i.e. switched reluctance motor SRM of SRD systems is caused, and wants to reduce torque pulsation and its noise that causes and vibrations it is necessary to change the structure of switched reluctance motor SRM.
The content of the invention
In order to reduce vibrations and the noise that existing switched reluctance motor SRM torque pulsations cause, the present invention provides a kind of switched reluctance motor SRM of brand new, particularly as be Fig. 1 be cross spiral inner stator tooth motor 111 extremely arranged in a straight line, tooth polar curve circle 2112 is arranged outside cross spiral inner stator tooth pole iron core 2111 and constitutes cross spiral stator tooth pole component 2119, cross spiral stator tooth pole component 2119 is arranged in a straight line vertically to constitute cross inside spin stator tooth stator 211 extremely arranged in a straight line, spiral mover tooth pole 311 is arranged outside it, the outer mover tooth pole bar 3111 of spiral is fixed by cylinder stent 3112, form overall.
The pitch of cross spiral inner stator tooth pole iron core 2111 is 816mm, width is 30mm, and the thickness of tooth polar curve circle 2112 is 2mm, and the pitch of the outer mover tooth pole bar 3111 of spiral is 816mm, length is 204mm, and the angle between the outer mover tooth pole unit center line of two helical layers is 15 °.
The beneficial effects of the invention are as follows：The present invention is superposition magnetic field due to magnetic pole, increased the power density of motor；The two poles of the earth tooth pole is used in addition, tooth polar circle cambered surface angle is 90 °, it has been reduced by torque pulsation, as the number of plies increases, tooth pole centerlines between adjacent two layers are smaller, increased the number of plies for applying torque of magnetic force, due to the increase of the number of plies, the number of plies for applying torque of magnetic force is also increased by, when the increased number of plies applies torque of magnetic force, torque pulsation only is produced in the range of the centerlines of adjacent two layers tooth pole, when many angles hour of the number of plies, torque pulsation is substantially reduced again, and noise and vibration are also just significantly reduced by significantly reducing torque pulsation.
Brief description of the drawings
Fig. 1 is cross spiral inner stator tooth electric machine part combining structure schematic diagram extremely arranged in a straight line.
Specific embodiment
Fig. 1 is cross spiral inner stator tooth motor 111 extremely arranged in a straight line, tooth polar curve circle 2112 is arranged outside cross spiral inner stator tooth pole iron core 2111 and constitutes cross spiral stator tooth pole component 2119, cross spiral stator tooth pole component 2119 is arranged in a straight line vertically to constitute cross inside spin stator tooth stator 211 extremely arranged in a straight line, spiral mover tooth pole 311 is arranged outside it, the outer mover tooth pole bar 3111 of spiral is fixed by cylinder stent 3112, forms overall.
The pitch of cross spiral inner stator tooth pole iron core 2111 is 816mm, width is 30mm, and the thickness of tooth polar curve circle 2112 is 2mm, and the pitch of the outer mover tooth pole bar 3111 of spiral is 816mm, length is 204mm, and the angle between the outer mover tooth pole unit center line of two helical layers is 15 °.
A kind of switched reluctance motor, including stator tooth pole and mover tooth pole, mover tooth pole are rotatably assorted relative to stator tooth pole, and the number of the stator tooth pole is equal with the number of mover tooth pole；Along rotating shaft direction for stratiform is fixedly connected, the thickness range of stator tooth pole thickness correspondence mover tooth pole is referred to as mover tooth pole unit for stator tooth pole（Stator tooth pole, refers to single stator tooth pole；Stator tooth pole thickness is stator tooth pole iron core thickness plus the stator tooth pole coil thickness being arranged outside it；Other mover can be integral forming structure, it is integrated connection, or layered arrangement between every layer, stacking is fixedly connected between every layer, so the thickness range of stator tooth pole thickness correspondence mover tooth pole is referred to as mover tooth extremely unit, mover tooth pole unit includes at least one mover tooth pole）The stator tooth polar curve circle that stator tooth pole is arranged by stator tooth pole iron core and its outside is constituted, the end group that stator tooth pole iron core forms air gap with mover tooth pole is the arc surface of male-female engagement, stator tooth pole is with the matching relationship of mover tooth pole, no matter mover tooth pole rotates to any angle relative to stator tooth pole, at least one of which stator tooth pole center line forms angle α with the mover tooth pole center line of corresponding mover tooth pole unit, 0 ＜ α≤β, β are the angle of stator tooth pole iron core or mover tooth pole along the circular arc correspondence center of circle of the cross section of rotation direction of principal axis.
It is poor that mover tooth polar circle arc angle and stator tooth pole iron core arc angle differ only by the arc angle that air gap therebetween causes, due to air gap very little, the two arc radius difference also very little, the corresponding arc chord angle difference of identical Tooth width also very little, assuming that air gap is infinitely small, then the corresponding angle of concavo-convex arc surface is just equal, so β is to represent stator tooth pole iron core arc chord angle, mover tooth polar circle arc angle is represented again, and stator tooth pole iron core arc chord angle is also referred to as stator tooth polar circle arc angle.
Such setting, ensure that there is one layer all the time, and its stator tooth pole center line is less than β with the angle of the mover center line of corresponding mover tooth pole unit, enable to produce reluctance torque to mover tooth pole through the magnetic field of air gap therebetween；As α=β=360/ (2m), there is equalization point equivalent to existing 4/2 switched reluctance motor, namely dead point is, it is necessary to set permanent magnet, when mover stops operating, permanent magnet mover is deviateed into dead point, deviate mover equalization point, and after rotating, the rotatory inertia of mover makes mover turn over the position of α=β, mover is deviateed dead point, make 0 ＜ α<β,This structure meets no matter mover tooth pole relative stator tooth pole rotates to any angle,In the presence of the angle α of one layer of center line of stator tooth pole and corresponding mover tooth pole center line,0 ＜ α ＜ β,Make to produce magnetic field between this layer of stator tooth pole and the mover tooth pole of respective layer,Magnetic pull is produced to mover through the magnetic field of air gap therebetween,Mover tooth pole produces reluctance torque,Mover tooth pole is set to turn to the maximum position of magnetic conductance,That is the position of stator tooth pole center line and mover Chi Ji centers line overlap,The position that to be also the end face of stator tooth pole essentially coincide with the end face of mover tooth pole,Mover tooth pole drives mover to rotate corresponding angle,Afterwards,Another layer of stator tooth pole center line forms angle with mover tooth pole center line,This layer of stator tooth pole for forming angle makes mover tooth pole unit rotate in an identical manner,Mover can just persistently rotated,Stator tooth pole center line forms angle with the increase of the number of plies with mover tooth pole center line,The size of angle increases into arithmetic progression,Certainly,Keep the size of each layer α constant,The sequence of layer is upset,It is exactly the implementation method of the technical program,Such implementation method is with the difference in figure,Another layer in figure is adjacent layer,Here should not Seeking Truth adjacent layer.
Described switched reluctance motor, it is described that no matter mover tooth pole rotates to any angle relative to stator tooth pole, at least one of which stator tooth pole center line forms angle α with the mover tooth pole center line of corresponding mover tooth pole unit, 0 ＜ α≤β, the number of plies for referring to stator tooth pole is n-layer, correspondence mover tooth pole unit is also the length of n-layer, the tooth number of poles circumferentially arranged is m, assuming that ground floor stator tooth pole center line is 360/ (nm) with the angle of mover tooth pole center line, then the second layer is 2*360/ (nm), ... n-th layer is n*360/ (nm), wherein 360/ (nm)≤β.
Ground floor is rotated after 360/ (nm) angle, angle between second layer stator tooth pole center line and mover tooth pole center line is exactly 360/ (nm), other layers reduce by 360/ (nm) angle successively, rotate successively, when last layer of stator tooth pole is 0 with mover tooth pole centerlines, then the angle of ground floor is exactly 360/ (nm), completes a cycle, next cycle is carried out successively, mover is persistently rotated；As 360/ (nm)<During β/2, then the just at least angle α of two-layer stator tooth pole center line and mover tooth pole center line<β, just can simultaneously there is two-layer stator tooth pole to produce torque between correspondence mover tooth pole, it is assumed that ground floor α=β/2, then the second layer is β, the stator of ground floor and the second layer applies torque with corresponding mover simultaneously, during mover rotation β/2, then α=β/2 of the second layer, the α=β of third layer, now ground floor stops applying torque to mover, torque is applied by the second layer, third layer, stator tooth pole is switched successively and is applied torque to correspondence mover, mover is persistently rotated；Same principle, when α=β/3, can apply torque to mover simultaneously with three layers, the like.
Described switched reluctance motor, in xyz coordinate systems, plane where ground floor stator tooth pole is xy faces, the axis direction of rotary shaft is z-axis direction, other layer of stator tooth pole extends successively along z-axis, and the ground floor stator tooth pole center line is 360/ (nm) with the angle of y-axis, and the second layer is 2*360/ (nm), ... n-th layer is n*360/ (nm), and the mover tooth pole center line of each layer mover tooth pole unit overlaps in z directions.
Described switched reluctance motor, in xyz coordinate systems, plane where ground floor stator tooth pole is xy faces, the axis direction of rotary shaft is z-axis direction, other layer of stator tooth pole extends successively along z-axis, and the center line of each layer stator tooth pole overlaps in z directions with y-axis, then the mover tooth pole center line of ground floor mover tooth pole unit and y-axis angle are 360/ (nm), the second layer is that 2*360/ (nm) ... ... n-th layers are n*360/ (nm).
Described switched reluctance motor, in xyz coordinate systems, plane where ground floor stator tooth pole is xy faces, the axis direction of rotary shaft is z-axis direction, other layer of stator tooth pole extends successively along z-axis, the ground floor stator tooth pole center line is 360/ (2*nm) with y-axis angle, and the second layer is that 2*360/ (2*nm) ... ... n-th layers are n*360/ (2*nm)；The mover tooth pole center line of ground floor mover tooth pole unit is -360/ (2nm) with y-axis angle, and the second layer is that -2*360/ (2nm) ... ... n-th layers are-n*360/ (2nm).
Described switched reluctance motor, the stator tooth pole number of plies extends successively in z-axis direction, forms vertical bar shape stator tooth pole or strip-spiral stator tooth pole, mover tooth extremely corresponding with vertical bar shape stator tooth extremely strip-spiral mover tooth pole；Mover tooth extremely corresponding with strip-spiral stator tooth extremely reverse acting spiral strip mover tooth pole or vertical bar shape mover tooth pole, tooth number of poles mesh are natural numbers of the m more than or equal to 1, and n is the natural number more than or equal to 2.
Reverse acting spiral strip mover tooth pole is referred to as backpitch mover bar, and vertical bar shape mover tooth pole is referred to as vertical bar mover tooth pole；Certainly, above-mentioned vertical bar shape stator tooth pole, strip-spiral stator tooth pole, vertical bar shape mover tooth pole, strip-spiral mover tooth pole and extremely each free supports support of reverse acting spiral strip mover tooth, this structure be adjacent layer in z-axis direction between stator tooth pole the magnetic line of force, respectively radially across respective air gap, axially connection is formed in mover, mover is produced torque.
Described switched reluctance motor, the vertical bar shape stator tooth pole or the yoke portion of strip-spiral stator tooth pole, the u-shaped electromagnet that correspondence is connected by u-shaped electromagnet or strip-spiral that vertical bar shape permeability magnetic material or strip-spiral permeability magnetic material connect and compose the series connection of vertical bar shape.
Now, the coil being arranged outside the iron core of stator tooth pole can be changed to be set on the yoke for connecting stator tooth pole iron core, i.e. on vertical bar shape permeability magnetic material or strip-spiral permeability magnetic material, the coil that can also be arranged outside stator tooth pole iron core and yoke, such structure, stator tooth pole iron sets radial magnetic field, yoke between the iron core of stator tooth pole sets axial direction or spiral axial magnetic field, the unilateral magnetic field of halbach arrays can be superposed to, improve the efficiency of switched reluctance motor, stator tooth pole iron core and yoke can be monolithic molding structure, if silicon steel sheet, composition stator tooth pole iron core is monolithic molding structure with the silicon steel sheet of yoke.
The arc surface of described switched reluctance motor, the vertical bar shape stator tooth pole or strip-spiral stator tooth pole points to the center of circle, constitutes outer vertical bar shape stator tooth pole or external spiral strip stator tooth pole；The vertical bar shape mover tooth pole, strip-spiral mover tooth pole and reverse acting spiral strip mover tooth pole correspond to interior vertical bar shape mover tooth pole, inside spin strip mover tooth pole and interior reverse acting spiral strip mover tooth pole.
The arc surface of described switched reluctance motor, the vertical bar shape stator tooth pole or strip-spiral stator tooth pole deviates from the center of circle, constitutes interior vertical bar shape stator tooth pole or inside spin strip stator tooth pole；The vertical bar shape mover tooth pole, strip-spiral mover tooth pole and reverse acting spiral strip mover tooth pole correspond to outer vertical bar shape mover tooth pole, external spiral strip mover tooth pole and outer reverse acting spiral strip mover tooth pole.
Described switched reluctance motor, the m is even number, and the yoke portion of every layer of stator tooth pole is connected by permeability magnetic material and forms closure frame stator tooth pole, on the permeability magnetic material framework between stator tooth pole, is arranged framework coil.
The halbach arrays of ring-type can be so produced, the magnetic field intensity of corresponding enhancing stator tooth pole.
Described switched reluctance motor, the arc surface of the closure frame stator tooth pole points to the center of circle, constitutes outer closure frame stator tooth pole；The vertical bar shape mover tooth pole, strip-spiral mover tooth pole and reverse acting spiral strip mover tooth pole correspond to interior vertical bar shape mover tooth pole, inside spin strip mover tooth pole and interior reverse acting spiral strip mover tooth pole.
Described switched reluctance motor, the arc surface of the closure frame stator tooth pole deviates from the center of circle, constitutes interior closure frame stator tooth pole；The vertical bar shape mover tooth pole, strip-spiral mover tooth pole and reverse acting spiral strip mover tooth pole correspond to outer vertical bar shape mover tooth pole, external spiral strip mover tooth pole and outer reverse acting spiral strip mover tooth pole.
Described switched reluctance motor, the stator tooth extremely inner stator tooth pole, its m=4, the inner stator tooth pole iron core of the inner stator tooth pole of β=45 ° four is in cross structure.
So, four teeth in crosswise can extremely form two back-to-back halbach arrays.
Described switched reluctance motor, the stator tooth extremely inner stator tooth pole, its m=2, β=90 °, two inner stator tooth pole list structure radially.
So, the magnetic direction of two inner stator tooth poles of list structure is identical, makes full use of the space in motor.
The stator tooth pole of described switched reluctance motor, the stator tooth pole is shaped as straight-tooth or helical tooth.
The stator tooth pole of described switched reluctance motor, the vertical bar shape stator tooth pole or the yoke portion of strip-spiral stator tooth pole, the u-shaped electromagnet that correspondence is connected by u-shaped electromagnet or strip-spiral that vertical bar shape permeability magnetic material or strip-spiral permeability magnetic material connect and compose the series connection of vertical bar shape.
The stator tooth pole of described switched reluctance motor, the m is even number, and the yoke portion of every layer of stator tooth pole is connected by permeability magnetic material and forms closure frame stator tooth pole, on the permeability magnetic material framework between stator tooth pole, is arranged framework coil.
Power inverter, controller, rotor position detector of existing SRD etc., by adaptation, it is possible to be applied to the present invention.
Numerical value disclosed in this patent and data, such as pitch, width, height etc. are only to illustrate architectural feature, are explained not as limitation of the present invention.
Claims (4)
1. cross spiral inner stator tooth motor extremely arranged in a straight line（111）, cross spiral inner stator tooth pole iron core（2111）It is arranged tooth polar curve circle outward（2112）Constitute cross spiral stator tooth pole component（2119）, cross spiral stator tooth pole component（2119）It is arranged in a straight line vertically to constitute cross inside spin stator tooth stator extremely arranged in a straight line（211）, spiral mover tooth pole is arranged outside it（311）, the outer mover tooth pole bar of spiral（3111）By cylinder stent（3112）It is fixed, form overall.
2. cross spiral inner stator tooth pole iron core（2111）Pitch be 816mm, width is 30mm, tooth polar curve circle（2112）Thickness be 2mm, the outer mover tooth pole bar of spiral（3111）Pitch be 816mm, length is 204mm, and the angle between the outer mover tooth pole unit center line of two helical layers is 15 °.
3. in line switched reluctance machines of double helix external stator component as claimed in claim 1, it is characterised in that：The 6 single helical tooth pole is arranged in a straight line along rotor shaft direction, and its yoke portion is connected by yoke 0233.
4. in line switched reluctance machines of double helix external stator component as claimed in claim 1, it is characterised in that：The yoke 0223 is that monolithic molding structure or overall silicon steel sheet are circumferentially stacked and form with 6 spiral iron cores 0231, the arc chord angle being circumferentially oppositely arranged that mover tooth extremely coordinates with stator core is 45 degree of the annulus double-spiral structure that spiral is constituted vertically, 6 helical tooth pole units are with the structural arrangement of spiral, and it is extremely interior that mover tooth pole is placed in external stator tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510951604.9A CN106899185A (en) | 2015-12-20 | 2015-12-20 | Cross spiral inner stator tooth motor extremely arranged in a straight line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510951604.9A CN106899185A (en) | 2015-12-20 | 2015-12-20 | Cross spiral inner stator tooth motor extremely arranged in a straight line |
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| Publication Number | Publication Date |
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| CN106899185A true CN106899185A (en) | 2017-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510951604.9A Pending CN106899185A (en) | 2015-12-20 | 2015-12-20 | Cross spiral inner stator tooth motor extremely arranged in a straight line |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI305973B (en) * | 2005-12-22 | 2009-02-01 | Univ Tamkang | |
| TW201032443A (en) * | 2009-02-24 | 2010-09-01 | Sunco Invest Ltd | Multi-stage variable reluctance motor/generator |
| CN104578661A (en) * | 2015-01-09 | 2015-04-29 | 南京航空航天大学 | Axially-distributed double-salient-pole brushless DC motor |
-
2015
- 2015-12-20 CN CN201510951604.9A patent/CN106899185A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI305973B (en) * | 2005-12-22 | 2009-02-01 | Univ Tamkang | |
| TW201032443A (en) * | 2009-02-24 | 2010-09-01 | Sunco Invest Ltd | Multi-stage variable reluctance motor/generator |
| CN104578661A (en) * | 2015-01-09 | 2015-04-29 | 南京航空航天大学 | Axially-distributed double-salient-pole brushless DC motor |
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Application publication date: 20170627 |