CN102739000A - Eccentric rolling rotor variable reluctance motor - Google Patents
Eccentric rolling rotor variable reluctance motor Download PDFInfo
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- CN102739000A CN102739000A CN2011100927150A CN201110092715A CN102739000A CN 102739000 A CN102739000 A CN 102739000A CN 2011100927150 A CN2011100927150 A CN 2011100927150A CN 201110092715 A CN201110092715 A CN 201110092715A CN 102739000 A CN102739000 A CN 102739000A
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Abstract
Disclosed in the invention is an eccentric rolling rotor variable reluctance motor (1) in an elliptic shape, an ovate shape or a cylindrical shape. The variable reluctance motor is formed by a stator (2), a rolling rotor (3) and an output crank shaft (8). The rotor of the rolling rotor variable reluctance motor is concentric with a journal (5-2) of an output shaft and is eccentric with a main shaft (5-1) of the output shaft. The stator portion is formed by uniform and fixed installation of E-shaped segmented stator segment assemblies (from 2-1 to 2-6) along an inner circle of a base (6). And the torque output crank shaft (8) and the rotor (3) can make free rotation around a crank shaft journal (8-2). because of gradation structure of an air gap, work of radial forces and good magnet collection capability, occurrences of the output torque fluctuation, vibration, noises and the magnetic flux leakage can be reduced, thereby obtaining high efficiency and good torque output; moreover, the speed of the rotor rotation is greater than the speed of the crank shaft rotation, thereby realizing the low-speed high torque output.
Description
Technical field
The present invention relates to a kind of motor, relate in particular to a kind of rolling-rotor variable reluctance motor of off-centre, belong to the variable reluctance motor technical field.
Background technology
Variable reluctance motor be a kind of simple in structure, cost is low, is applicable to high-speed cruising, and its each work alone mutually, reliability is high, compares other general motors, and advantage high temperature resistant, that be prone to heat radiation and be suitable for high-speed cruising is more arranged; Yet, because its design feature, also have many shortcomings, such as torque ripple, the vibration and noise level is bigger than general motor, iron loss is excessive etc.
Traditional variable reluctance motor comprises that stator and who is installed in the support has the outstanding magnetic pole of opening according to certain intervals with respect to the stator rotor rotated on stator and the rotor, and the number of magnetic poles of stator and rotor is placed with certain rules relatively.Attempt to rotate to when rotor and the magnetic circuit magnetic resistance is minimized or during the maximized position of stator winding inductance, variable reluctance motor produces reluctance force and produces torque and externally does work.
Because the structure of the biconvex utmost point causes conventional motors to have the big defective of torque ripple, vibration and noise, remove this; Because the power that produces between the rotor biconvex utmost point of conventional motors is divided into radial load and revolving force; And revolving force is much smaller than radial load, and radial load is to not contribution of machine operation, and be the source of the restless and noise of motor; Because the energy density of traditional variable reluctance motor is relatively low, and the big potentiality that further develop are arranged.
About the distribution problem Cai of existing variable reluctance motor stator-rotator magnetic interpolar power, W; Pillay, P; Reichert, K; At article " Accurate computation of electromagnetic forces in switched reluctance motors "; Electrical Machines and Systems; 2001.ICEMS 2001.Proceedings of the Fifth International Conference; Page (s): carried out detailed research explanation among the 1065-1071 vol.2, here, this article is introduced as a reference.
In order to reduce the excessive problem of existing variable reluctance motor output torque fluctuation; Industry scholar and researcher are except reaching to cause and reduce the torque ripple from the Control and Optimization visual angle to obtain special exciting current waveform; Also fluctuate to reduce output torque from the visual angle of optimizing the rotor electrode structure more; It also is optimization direction wherein that ladder becomes gap structure, and Jin Woo Lee, Hong Seok Kim; Byung Kwon; And Byung Taek Kim is at article " New Rotor Shape Design for Minimum Torque Ripple of SRM Using FEM " IEEE TRANSACTION MAGNETICS VOL.40 NO.2, and MARCH 2004page (s): among the 754-758 rotor pole lateral opening is effectively studied, the result shows that the same torque ripple that obtained reduces by 4.4% effect.This article herein also unanimity introduce as a reference.
The design of switched reluctance machines and control principle; Here also will not discuss; T.J.E.Miller is at monograph " Switched Reluctance Motors and Their Control ", Magna Physics publishing and Clarendon Press, oxford; In 1993 switched reluctance machines is discussed, this article is introduced herein as a reference.
For improving the volume energy ratio of switched reluctance machines; 200510010551.7) and (application number: 201010102546.X) adopt the mode of composite excitation magnetic circuit respectively Chinese invention patent (application number:; Wherein application number is that the patent of invention of 201010102546.X adopts the sectionalized stator formula to mix short magnetic circuit form to reduce the magnetic circuit loss; But these two kinds of patents of invention all do not have to consider the processing to radial load, and are in essence, the same basically with the working method of conventional switch reluctance motor; The ratio problem bigger than normal that all has radial load and revolving force, and excessive radial load causes serious vibration and noise problem.And Chinese invention patent (application number: 2006680043128.X) become air gap to reduce conventional switch reluctance motor torque ripple and The noise through optimizing rotor pole tip structure to obtain ladder.
Summary of the invention
The technical problem that the present invention solves provides a kind of rolling-rotor variable reluctance motor and rotor and crankshaft structure of off-centre, to improve energy density and efficient, to reduce to vibrate and noise, the dynamic response capability of raising motor and the useful life of improving motor.
For addressing the above problem, the present invention adopts following technical scheme:
A kind of rolling-rotor variable reluctance motor of off-centre; Include support, stationary part, rotor portion and excitation winding and bent axle; Wherein said stationary part comprise a plurality of along the support inner periphery to the E type stator segment assemblies that evenly installs and fixes; Have between each stator segment or/and very close to each other; E type stator segment is oval, an avette or columniform part towards the end face of bent axle, and so a plurality of stator inner headed faces of forming to the stator segment face that installs and fixes along the support inner periphery are ellipse, ovum type or column type; Excitation winding is embedded in the stator slot of each E type stator segment forms stator segment assemblies, and when being single eccentric rotor, single stator segment assemblies is formed a phase of motor of the present invention.When being two eccentric rotors, two stator segment assemblies are formed a phase.
Be fixed with ring gear in the two ends of support or the end cap.
Rotor portion two ends or interior cylinder ring body two ends or axle journal two ends are fixed with external toothing, and mesh with the ring gear maintenance in support two ends or the end cap; When being rotor when being made up of interior ring and outer shroud, inner ring body inside is pressed with bearing shell or bearing.
The crank portion branch comprises axle journal and main shaft, and main shaft is installed in the bearing of end cap, and axle journal is installed in the interior cylinder ring body of rotor, and rotor can freely rotate around crankshaft journal through bearing or bearing shell like this, forms the rotation of rotor.
When load, the excitation winding energising produces magnetic flux; Force rotor to rotate, owing to the constraint that receives friction or gear between rotor and the stator inner headed face does not have to slide, like this in the process of rotor rotation around crankshaft journal; Drive crankshaft journal and rotate toward rightabout, thus the output rotation torque.
Wherein, each stator segment notch is placed with the piece of carving that NULL processes.
Wherein, stator segment is an E type stator segment, and its end face towards bent axle is oval, an avette or columniform part.
Wherein, stator segment and rotor exterior ring are overrided to form by the thin slice of soft magnetic material making.
Wherein, be fixed with ring gear in support two ends or the end cap.
Wherein, bent axle is made up of axle journal and main shaft.
Wherein, two ends of rotor is fixed with external toothing, and the ring gear in itself and support two ends or the end cap keeps engagement.
A kind of rotor structure of eccentric rolling-rotor variable reluctance motor, it comprises:
Outer shroud and interior cylinder ring;
The lateral surface of outer shroud is oval, avette or cylindrical; Interior cylinder ring is cylindrical; Outer shroud and interior cylinder ring are through spline or the fixing rolling-rotor part of forming of other mechanical structures; Rolling-rotor contacts with stator inner headed face line, rolling-rotor lateral surface and stator inner headed face be fixed with the thin layer processed by high coefficient of friction material as frictional layer with the slip between constraint stator and the rotor.
Wherein, the cylinder ring lateral surface is that spline or other structures are so that install and fix rotor exterior ring in the rotor.
Compared with prior art, the present invention has following beneficial effect:
Eccentric rolling-rotor variable reluctance motor of the present invention; Its stationary part comprise a plurality of along the support inner periphery to the E type stator segment that installs and fixes; Have between each stator segment or/and there is not air gap, the stator inner headed face that each stator segment is formed towards the end face of bent axle is oval, avette or cylindrical; Excitation winding is positioned in the stator slot of each E type stator segment, and when being eccentric rotor, each E type stator segment constitutes this phase, and when being two eccentric rotors, every two relative E type stator segments constitute a phase; Be fixed with ring gear on support two ends or the end cap; Rotor portion comprises outer shroud and interior cylinder ring, and the formation rotor that interfixes, and the lateral surface of outer shroud is oval, avette or cylindrical, and interior cylinder ring two ends are fixed with external toothing, and ring gear fixing in itself and support two ends or the end cap keeps engagement; Bent axle comprises axle journal and main shaft, and rotor can freely rotate around crankshaft journal and form rotation; When load, the excitation winding energising produces magnetic flux, forces rotor to rotate around crankshaft journal, and then drives bent axle output rotation torque.
Through a rolling-rotor is provided, the working gas gap of variable reluctance motor of the present invention is that ladder becomes structure, makes output torque more steady, has improved the noise and vibration problem in traditional variable reluctance motor simultaneously; Because the radial load acting makes energy density be greatly improved; By means of the collection magnetic energy power of outer shroud, leakage field and loss reduce, improved efficiency; The stator structure of segmentation makes manufacturing cost reduce and is easy for installation, alleviates the labour intensity in the production process; In addition, lighter rotor quality makes motor of the present invention have excellent dynamic response performance.
Can be expressly understood other characteristics, purpose and characteristics more from specification, claims and accompanying drawing.
In sum; Motor of the present invention has broad application prospects in the power drive system that various requirement low speed height is turned round, and is particularly useful for electric automobile electric power steering, electric parking, electric booster braking, robot etc. and requires the low speed height to turn round and have the electricity driving occasion of capability of fast response.
Description of drawings
Accompanying drawing as this specification a part and combine this specification further understanding to be provided to invention, and with specification in order to explain principle of the present invention.
Fig. 1 shows 6 mutually eccentric rolling-rotor reluctance motor structural representations of the present invention's first specific embodiment;
Fig. 2 shows the A-A cutaway view of Fig. 1;
Fig. 2-1 shows (5-6) be conducted location drawing of back rotor and stator;
Fig. 3 shows the two eccentric rolling-rotor variable reluctance motor structural representation of the present invention's second specific embodiment;
Fig. 4 shows the B-B cutaway view of Fig. 3;
Fig. 4-1 shows (5-1) be conducted location drawing of back rotor and stator;
Fig. 5 shows three eccentric rolling-rotor variable reluctance motor structural representations of the present invention's the 3rd specific embodiment;
Fig. 6 shows the present invention's the 4th specific embodiment list off-centre operation cylindricality rotor variable reluctance motor structural representation;
Fig. 7 shows the C-C cutaway view among Fig. 6.
Embodiment
Eccentric rolling-rotor variable reluctance motor of the present invention includes the stationary part of support, segmentation, eccentric rolling-rotor part and excitation winding and bent axle; But crucially; Bent axle among the present invention comprises main shaft and axle journal, and eccentric rolling-rotor is concentric with axle journal, with spindle eccentricity; The rotor exterior ring face is oval, avette or cylindrical, and the stator inner headed face is oval, avette or cylindrical; Excitation winding is positioned in the stator slot of each stator segment;
And rolling-rotor partly comprises two parts, ring and outer shroud in being respectively, and the lateral surface of outer shroud is oval, avette or cylindrical, and interior ring is a cylinder ring, and interior ring and outer shroud form rolling-rotor through spline or the fixed installation of other mechanical structure; Rotor is free to rotate around crankshaft journal through the bearing or the bearing shell of interior ring.
Like this, when load, the excitation winding energising produces magnetic flux, forces rotor to rotate around axle journal, rotates toward the opposite direction of rotor sense of rotation thereby drive bent axle, through the collection magnetic energy power of rolling-rotor, reduces leakage flux; Because the rotary speed of bent axle less than rotor rotation speed, is turned round output thereby obtain the high-efficient low-speed height, can be widely used in that requirement low speed height is turned round and the servo or stepping power drive system of high control precision in, describe with preferred embodiment below.
With reference to figure 1; Present embodiment is 6 phase rolling-rotor variable reluctance motors; 6 phase excitation coils are: 5-1,5-2,5-3; 5-4; 5-5,5-6, variable reluctance motor (1) specifically comprise stator (2) and segmented stator assemblies (outer shroud (3-1) and the interior ring cylinder ring body (3-2) of 2-1～2-6), excitation winding (5), rolling-rotor (3) and rolling-rotor and be mounted in external toothing (3-3), output crank shaft (8), ring gear (10), the E type stator mouth that is fixed on end cap or the support at ring two ends carve piece (7), press-fit the bearing (14) on crankshaft journal top bearing shell or bearing (13) and installation and the end cap.
Need explain; The periphery of rolling-rotor part is oval or avette or cylindrical (11) in the present embodiment, and the stator inner headed face is oval or avette (12) simultaneously, and it caves in towards stator yoke portion; Two ends of rotor is tight contacts with stator inner headed face two ends; And there is a small air gap very the centre, the engagement of the internal gear (10) on the external gear (3-3) through two ends of rotor and end cap or the support simultaneously, the slip between constraint rotor and the stator; Rotor (3) can freely rotate around crankshaft journal (8-2).
Said structure makes when rolling-rotor rolls in the stator inner headed face, eliminated slide relative between rotor and the stator and the loss of machine of torque that brings; Because the little and maintenance of contact-making surface closely contacts between rolling-rotor and the stator inner headed face, so reduced vibration and noise level; By means of the collection magnetic property of rolling-rotor, make leakage field reduce, efficient increases; The influence of part harmonic carcellation simultaneously, and since the rotating speed of bent axle, promptly realize the low speed height less than the rotating speed of rolling-rotor and turn round output, the gap structure that ladder becomes has obtained moment of torsion output stably, control is simple.During practical implementation, rotor (3) is overrided to form by the thin slice that soft magnetic material supports, and it can be installed through axle journal (8-2) tight fit or the loose fit of bearing or bearing shell and bent axle, and rotor (3) can freely be rotated around crankshaft journal (8-2); Be the slip between constraint rotor and the stator inner headed face, two ends of rotor is installed with external toothing (3-3), and it remains engagement with the ring gear (10) that is fixed on support two ends or the end cap; In the bearing (14) in the main shaft of bent axle (8-1) installation and the end cap.
With reference to figure 2, phase this moment (5-1) is in rolling-rotor and overlaps, and is about to get into next circulation; Suppose that bent axle (8) counterclockwise rotates output torque, so (5-6) excitation winding (5) energising in mutually, the magnetic flux of its generation forms the closed-loop path via rolling-rotor (3); Force rolling-rotor towards making the rotated position that the excitation winding inductance is maximum or the magnetic circuit magnetic resistance is minimum; (5-6) after the phase winding energising, the rotor motion result can find out by knowing among the figure with reference to figure 2-1; Rotor does not overlap with (5-1) mutually, is about to get into and the position that (5-6) coincides.In this process, bent axle (8) is driven is rotated counterclockwise a low-angle.
With reference to figure 3, this figure is 4 two mutually eccentric rolling-rotor variable reluctance motor (1) structural representations of the present invention's second specific embodiment, and the present embodiment rotor is made up of double-rolling rotor (3); Double-rolling rotor is installed on respectively on two axles (8-1); Excitation winding in its two relative stator segment assemblies constitutes a phase of the two eccentric rolling-rotor variable reluctance motors of present embodiment, and with reference to B-B sectional view Fig. 4 of figure 3, two relative (5-1) excitation winding constitute a phase; Be in (5-2) with rolling-rotor and coincide this moment; Same, the lateral surface of rolling-rotor is oval, avette or cylindrical (11) in the present embodiment, and the stator inner headed face also is oval, avette or cylindrical (12); And rolling-rotor and output main shaft (8) off-centre constitute the two eccentric rolling-rotor variable reluctance motor of this specific embodiment.Its operation principle repeats no more with the specific embodiment of Fig. 1 here.
With reference to figure 4, this moment rolling-rotor with (5-2) coincide, be rotated counterclockwise output; Then (5-1) begins conducting mutually; Rolling-rotor turns clockwise, and drives axle journal (8-1) rotation counterclockwise, and rotor and position of stator are with reference to figure 4-1 after conducting one period very little time period; This moment, rolling-rotor left the position that overlaps with (5-2) mutually, and was about to enter into and the position that (5-1) coincides, because the rotating speed of rolling-rotor is greater than the output speed of axle (8), thereby realization low speed height is turned round output.
Need to prove; In the present embodiment; The external toothing (8-3) that slides in order to constraint rolling-rotor and stator inner headed face is installed on the two ends of axle (8-1), itself and ring gear (10) engagement of being fixed on support two ends or the end cap, and rolling-rotor (3) fixedly mounts through key (3-2) with axle (8-1).
With reference to figure 5; This figure is four phases, three eccentric rolling-rotor variable reluctance motor (1) structural representations of the present invention's the 3rd specific embodiment; Stator is is circumferentially evenly installed and fixed along support (6) inner headed face by 12 E type stator segments (2) and forms in the present embodiment; Its inner headed face (12) is oval, avette or cylindrical, and the notch of E type stator segment assemblies is mounted with that NULL or permanent magnet process carves piece (7), and the periphery of eccentric rolling-rotor (11) also is oval, avette or cylindrical; This moment, three eccentric rolling-rotors were in and the position that (5-2) coincides, and supposed the counter-rotating output torque, and then (5-3) switches on mutually, and rotor will turn clockwise around axle (8-1), thereby driving shaft (8-1) is rotated counterclockwise output shaft torque; The operation principle of motor and the installation of rolling-rotor and and the stator inner headed face between constraint and first, second specific embodiment similar, repeat no more here.
With reference to figure 6; This figure is the 4th specific embodiment 6 mutually eccentric rolling-rotor variable reluctance motors of the present invention; Its eccentric rolling-rotor (3) is cylindrical, and its lateral surface (11) is the face of cylinder, and stator inner headed face (12) also is cylindrical; Specific embodiment 1 among its structure and operation principle and Fig. 1 roughly the same repeats no more here.
Need explanation, though preferred embodiment of the present invention has disclosed as above, the present invention is not limited to the foregoing description, and any those skilled in the art are in the scope that does not break away from the present invention and disclosed, when doing a little change and adjustment.
Claims (10)
1. an eccentric rolling-rotor variable reluctance motor comprises support, stationary part, rotor portion and excitation winding and bent axle, it is characterized in that, circle is eccentric in rotor and output shaft main shaft and the stator, and is concentric with axle journal; Rotor outside circle is oval, avette or cylindrical with the stator inner headed face; Thereby when loaded work piece, the rotating speed of rolling-rotor is greater than the rotating speed of output shaft, and realization low speed height is turned round acting.
2. variable reluctance motor according to claim 1, there is a little gap centre of its rotor and stator inner headed face contact portion, and two ends do not have the gap.
3. crank portion branch according to claim 1 comprises main shaft and axle journal, and main shaft is fit in the bearing on the end cap, and being constrained to fixing or rotating between axle journal and the main shaft, but the parallel axes of axle journal and main shaft and conllinear not.
4. rotor according to claim 1 is made up of two parts, is respectively outer shroud and interior ring, and both interfix to be installed together and form described rolling-rotor.When rotor was made up of monomer, it was fixed on the output shaft neck.
5. rotor portion according to claim 4, the thin slice that its outer shroud has soft magnetic material to process is overrided to form, and is fixed on the interior ring of rotor, forms described rotor portion.When rotor was made up of monomer, its thin slice of being processed by soft magnetic material was overrided to form, and is fixed on the output shaft neck.
6. rotor portion according to claim 5; The rolling-rotor two ends are equipped with external toothing, when rotor is made up of two parts, and the two ends of ring or outer shroud in its external toothing is installed on; When rotor was made up of monomer, its external toothing was installed on the two ends of monomer rotor or the two ends of axle journal.
7. stationary part according to claim 1 is is circumferentially evenly installed and fixed along the support inner headed face by the E type stator segment assemblies of segmentation and forms, and its end face towards bent axle is formed the stator inner headed face.
8. the thin slice that E type stator segment assemblies according to claim 7 is processed by soft magnetic material is overrided to form, and its notch is installed with by what NULL or permanent magnet were processed and carves piece.
9. two notches of E type stator segment assemblies according to claim 7 have embedded excitation winding.
10. support according to claim 1 comprises support and end cap, it is characterized in that on the end cap at support two ends or two ends, being fixed with ring gear, and the external toothing at itself and rolling-rotor two ends keeps engagement.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100927150A CN102739000A (en) | 2011-04-12 | 2011-04-12 | Eccentric rolling rotor variable reluctance motor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100927150A CN102739000A (en) | 2011-04-12 | 2011-04-12 | Eccentric rolling rotor variable reluctance motor |
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| CN102739000A true CN102739000A (en) | 2012-10-17 |
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| CN2011100927150A Pending CN102739000A (en) | 2011-04-12 | 2011-04-12 | Eccentric rolling rotor variable reluctance motor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485779A (en) * | 2014-12-08 | 2015-04-01 | 贵州航天林泉电机有限公司 | Limited-angle motor |
| CN106941304A (en) * | 2017-04-12 | 2017-07-11 | 谷建龙 | A kind of wheel is servo-actuated birotor and increases journey generator |
| CN107621223A (en) * | 2016-07-14 | 2018-01-23 | 舍弗勒技术股份两合公司 | Permanent magnet of a sensor device for determining the angular position of the permanent magnet |
| CN111077674A (en) * | 2018-10-19 | 2020-04-28 | 本田技研工业株式会社 | Display device, display control method, and storage medium |
| CN119231862A (en) * | 2024-09-29 | 2024-12-31 | 上海伟矩科技有限公司 | A rolling reluctance motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2783608Y (en) * | 2005-03-23 | 2006-05-24 | 中国第一汽车集团公司 | Flywheel motor |
| US20090302792A1 (en) * | 2008-06-10 | 2009-12-10 | Denso Corporation | AC rotating machine with improved drive for its stator coil |
| WO2010010110A2 (en) * | 2008-07-22 | 2010-01-28 | Delachaux S.A. | Motor with eccentric rotor |
| CN202121472U (en) * | 2011-04-12 | 2012-01-18 | 周智庆 | Changing magnetic resistance motor of eccentric rolling rotor |
-
2011
- 2011-04-12 CN CN2011100927150A patent/CN102739000A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2783608Y (en) * | 2005-03-23 | 2006-05-24 | 中国第一汽车集团公司 | Flywheel motor |
| US20090302792A1 (en) * | 2008-06-10 | 2009-12-10 | Denso Corporation | AC rotating machine with improved drive for its stator coil |
| WO2010010110A2 (en) * | 2008-07-22 | 2010-01-28 | Delachaux S.A. | Motor with eccentric rotor |
| CN202121472U (en) * | 2011-04-12 | 2012-01-18 | 周智庆 | Changing magnetic resistance motor of eccentric rolling rotor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485779A (en) * | 2014-12-08 | 2015-04-01 | 贵州航天林泉电机有限公司 | Limited-angle motor |
| CN104485779B (en) * | 2014-12-08 | 2017-12-05 | 贵州航天林泉电机有限公司 | A kind of finite angle motor |
| CN107621223A (en) * | 2016-07-14 | 2018-01-23 | 舍弗勒技术股份两合公司 | Permanent magnet of a sensor device for determining the angular position of the permanent magnet |
| CN106941304A (en) * | 2017-04-12 | 2017-07-11 | 谷建龙 | A kind of wheel is servo-actuated birotor and increases journey generator |
| CN111077674A (en) * | 2018-10-19 | 2020-04-28 | 本田技研工业株式会社 | Display device, display control method, and storage medium |
| CN111077674B (en) * | 2018-10-19 | 2022-06-07 | 本田技研工业株式会社 | Display device, display control method, and storage medium |
| CN119231862A (en) * | 2024-09-29 | 2024-12-31 | 上海伟矩科技有限公司 | A rolling reluctance motor |
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Application publication date: 20121017 |