CN202026219U - Claw pole type brushless generator with balanced magnetic force - Google Patents
Claw pole type brushless generator with balanced magnetic force Download PDFInfo
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- CN202026219U CN202026219U CN2011200606278U CN201120060627U CN202026219U CN 202026219 U CN202026219 U CN 202026219U CN 2011200606278 U CN2011200606278 U CN 2011200606278U CN 201120060627 U CN201120060627 U CN 201120060627U CN 202026219 U CN202026219 U CN 202026219U
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Abstract
The utility model relates to a claw pole type brushless generator with balanced magnetic force, which mainly comprises armatures, parallel magnetic poles, claw poles, main magnetic poles, snap rings, a rotating shaft, a stand, an end cover, a junction box, an excitation regulator, a rectifier and a fan. The armatures, the parallel magnetic poles and the main magnetic pole are arranged by two sections each of which is connected by the two snap rings as a whole; the main magnetic pole is arranged at an inner layer, a plurality of armatures and a plurality of parallel magnetic poles are arranged at an outer layer at intervals; the middle claw pole is arranged between the two sections of the main magnetic pole, two side claw poles are respectively arranged at the outer sides of the two main magnetic poles, air gaps are reserved between the claw poles and the main magnetic poles, the claw poles are fixed on the rotating shaft, and the rotating shaft penetrates through a round hole in the middle of magnetic yokes of the main magnetic poles; and the two main magnetic poles are connected into a reverse direct current, and the parallel magnetic pole and the main magnetic pole at the same section are connected into a forward direct current, namely the parallel magnetic poles and the claw poles are arranged as repellent. When the armatures of the generator are used for cutting magnetic force lines of a main magnetic field, a parallel magnetic field is synchronously impellent with the main magnetic field so as to offset attraction between the main magnetic field and the armatures.
Description
Technical field
The utility model relates to a kind of electric power system, particularly a kind of magnetic balanced Lundell brushless generator.
Technical background
Faraday in 1821 finds that electrified wire can rotate around permanent magnet, has invented magneto.The Hui Sitong of Britain in 1857 replaces permanent magnet with electromagnet, has invented electric excitation mode, has started new era of electro-magnetic motor.But above motor all is the instrument of power conversion.
The basic principle of existing generator all is conductor cutting magnetic line and induced electromotive force and produces electric current, and the enough mechanical energy of process need consumption of conductor cutting magnetic line is with the soft iron that overcomes the assembly conductor and the suction between the magnet.
Observe as long as carefully go, we can find an interesting phenomenon: the suction effect in magnetic field can not go to explain with classical mechanics simply, under the prerequisite of not considering friction, if according to classical mechanics, the power that rotor iron is inhaled toward magnets of stator should be that direction is opposite, equal-sized with the required power that overcomes that rotor iron leaves magnets of stator, but in fact, this but can't oneself cancel out each other to seeming equal-sized power, so the generator cutting magnetic line need consume a large amount of kinetic energy.Yet,, can it be offset with opposite, the equal-sized magnetic field repulsive force of a pair of direction though this can not oneself cancel out each other to opposite, the equal-sized suction of direction.
The utility model utilizes opposite, the equal-sized magnetic field repulsive force of a pair of direction to go the principle of opposite, the equal-sized magnetic field of a pair of direction of balance suction, in claw-pole type generator, add the suitable magnetic field repulsive force of suction with cutting magnetic line, make motor generator no longer rely on external impetus and can generate electricity voluntarily.
The utility model content
The utility model is achieved in that a kind of magnetic balanced Lundell brushless generator, mainly comprise armature, parallel magnetic pole, the pawl utmost point, main pole, snap ring, rotating shaft, support, end cap, connect around box, field regulator, rectifier and fan, armature is made up of armature core (3) and armature winding (1), parallel magnetic pole is made up of parallel magnetic field iron core (4) and parallel magnetic field winding (2), main pole is made up of main field winding (6) and yoke (10), the pawl utmost point is by an intermediate pawl utmost point (5) and two side pawl utmost points (8,11) form, it is characterized in that: armature, parallel magnetic pole and main pole are divided two sections settings, every section connects into an integral body with two snap rings (7), be fixed on again on support and/or the end cap, main pole is located at internal layer, the alternate skin that is located at some parallel magnetic poles of some armatures; The intermediate pawl utmost point is located at the centre of two sections main poles, and two side pawl utmost points are located at the outside of two main poles respectively, leave air gap between the pawl utmost point and the main pole, and the pawl utmost point is fixed in the rotating shaft (9), and rotating shaft is passed from the circular hole in the middle of the yoke of main pole; Two main poles insert reverse direct current, form three pole fields that a magnetic field model is S-N-S or N-S-N with the pawl utmost point; Two magnetic poles of parallel magnetic pole are relative with the rotational trajectory of the pawl end of the intermediate pawl utmost point and the side pawl utmost point respectively and leave air gap, and the two ends of armature core are relative with the rotational trajectory of the pawl end of the intermediate pawl utmost point and the side pawl utmost point respectively and leave air gap; Parallel magnetic pole with insert direct current in the same way with a section main pole, promptly parallel magnetic pole and the pawl utmost point are set at and repel each other.
Described generator is magnetic balanced two section Lundell single-phase alternators or magnetic balanced two section Lundell threephase alternators, and armature winding is formed by connecting by the mode of connection of the coil on armature core by single-phase output or three-phase output.The armature winding wire structures of threephase alternator: each winding is made up of a pitch of the laps, 3 identical armature winding on armature core are pressed space interval 120 degree placements, perhaps, in 120 degree mechanical angles, be evenly distributed with three-phase coil, be distributed with three-phase coil equally separately in two other 120 degree, 3 phase windings connect together three phase winding tail ends by star connection or delta connection, and to draw be the neutral line, and the exit of 3 phase windings is a phase line.The utmost point pawl quantity of the pawl utmost point of threephase alternator has 4 at least, and armature has three at least, and parallel magnetic pole has three at least, and parallel magnetic pole and armature are alternate and establish, and are evenly distributed on the snap ring.
Pawl has some straight pawls or curved pawl or flat tapered jaw or curving pawl on extremely.Flat tapered jaw is that the pawl of the paw utmost point is flat from radially seeing, does not bend, but towards the certain angle of tangential tilt, and the curving pawl is that the pawl of the paw utmost point is from radially seeing towards the axial bending an angle of 90 degrees, but towards the certain angle of tangential tilt.The pawl utmost point is made with soft iron material, as electrical pure iron.The intermediate pawl utmost point is owing to connect two identical magnetic poles, and magnetic flux is bigger, so the intermediate pawl utmost point will have enough thickness, and intermediate pawl is extremely generally extremely thick more than 2 times than side pawl.Can open a groove on the inboard center line of the intermediate pawl utmost point, make " people " shape, so that the magnetic potential of two same pole becomes magnetic potential in parallel, rather than directly relatively.Intermediate pawl is extremely as a whole, and perhaps, the intermediate pawl utmost point is extremely synthetic by two pawls, connects with nonferromugnetic material between two pawl utmost points.
Parallel magnetic field iron core and armature core are vertical bar shaped or oblique strip shaped iron core; The two ends of upright core are straight, and upright core is " one " font, perhaps, the two ends projection of upright core, upright core is " worker " font.From radially, vertical bar shaped is unshakable in one's determination to be parallel with rotating shaft, and the oblique strip shaped iron core is what to be intersected with rotating shaft.Iron core is made with soft iron material, generally forms with silicon steel plate stacking, and insulating paint is coated on the surface, generally is coated with epoxy resin.
Average mark is furnished with rectangular opening on the snap ring, and the unshakable in one's determination and armature core of parallel magnetic field is behind last winding, and two ends are inserted in respectively in the rectangular opening of two snap rings and fix.Main pole is placed in the macropore of two snap ring inboards, and the yoke of main pole is connected with snap ring and is fixed together.Unshakable in one's determination, yoke is connected with screens with snap ring or key connects or pin connection or be threaded or the method for welding is fixed.Snap ring is made with nonferromugnetic material, as aluminium alloy.
Magnetic field winding and armature winding form with the enamelled wire coiling, as enamel covered wire, enamel insulated aluminium wire, enamelling alloy wire etc.
The yoke of main pole is made with soft iron material, can be cast as an integral body with pure iron or Low Carbon Iron magnetic alloy, and perhaps, middle part forms with silicon steel plate stacking, and both sides cast with electrical pure iron or Low Carbon Iron magnetic alloy.
Magnetic field model is that three pole fields of S-N-S or N-S-N are rarer in the application of existing motor product, or does not just have at all.But it is a kind of desirable magnetic field model that this magnetic field model is applied in the environment in the magnetic field of repelling each other.Three pole fields and the three pole fields axial torsion that produces that repels each other is lower, can not produce very big axial torsion by countershaft.Therefore three pole fields avoid producing larger axis in the environment that repels each other of torsion at needs, have the incomparable advantage of dipolar magnetic field.
During the magnetic line of force of the armature of generator cutting main field, parallel magnetic field repels each other with main field synchronously, with the suction of counteracting main field and armature.The suction of armature and main pole is two-way, the utmost point pawl of the armature core and the pawl utmost point near and armature core leave the utmost point pawl of the pawl utmost point, the suction that is produced is respectively clockwise direction and anticlockwise, both sizableness, direction are opposite, but both can not cancel out each other themselves, need this could be offset suction with the repulsion of parallel magnetic field and main field.The repulsion of parallel magnetic field and main field also is two-way, when both are close, stops the other side close mutually, when both leave, pushes off the opponent mutually.
The two-way suction of the armature of generator and main field can be expressed with curve, the equidirectional maximum suction point, minimum suction point and reciprocal maximum suction point, the minimum suction point that produce are continuously linked up and be waveform, can be sinusoidal wave, also can not be sinusoidal wave, wave amplitude be represented the size variation of suction.
Suction two-way when the two-way repulsion of parallel magnetic field and main field and generator cutting magnetic line is opposite, thus the two-way repulsion that produces of parallel magnetic field and main field can be used for offsetting armature cutting main field the magnetic line of force time the two-way suction that produces.If both waveform is in full accord, represent that then repulsion and suction can cancel out each other fully.
Establish owing to parallel magnetic pole is alternate with armature, the both is on the same fragment position of rotating shaft, as long as parallel magnetic pole, armature are symmetrical arranged with main field, the axial torsion of generation when armature and the suction of main field can also be offset parallel magnetic pole and main field to greatest extent and repelled each other.Therefore, magnetic balanced two section Lundell brushless generators remove wherein one section armature, main pole, parallel magnetic pole, snap ring and intermediate pawl utmost point, are transformed into magnetic balanced single hop Lundell brushless generator, with simplified structure, reduce cost.Magnetic balanced unistage type pawl utmost point brushless generator does not have the intermediate pawl utmost point, and armature, main pole and parallel magnetic pole have only one section, and snap ring has only two.Because when dipolar magnetic field and dipolar magnetic field repelled each other, magnetic pole can reverse to the heteropole direction, if parallel magnetic pole, armature and main field do symmetrical inadequately, standard, the magnetic field of repelling each other makes rotating shaft amesiality easily, damage equipment.Therefore in fact the manufacture difficulty than two section type pawl utmost point brushless generator is higher for the manufacture difficulty of unistage type pawl utmost point brushless generator.Magnetic balanced unistage type pawl utmost point brushless generator then can remove the issuable axial torsion of balance with the magnetic force of magnetic bearing if adopt magnetic bearing.
The bearing that connects rotating shaft and end cap is deep groove ball bearing or taper roll bearing or angular contact ball bearing or magnetic bearing.Owing to there is the magnetic field of repelling each other in the generator, the bearing that is adopted is wanted to bear certain radial load and axial load simultaneously, and the magnetic bearing that correction commentaries on classics ability is arranged is adopted in unistage type generator even requirement.
One section armature has 3 or 3 above armatures, and one section parallel magnetic pole has the parallel magnetic pole more than 3 or 3, and with alternate and establish with the parallel magnetic pole of section, both quantity is identical with the section armature.Two sections armatures are axially aligned, and two sections parallel magnetic poles are axially aligned, and perhaps, one section parallel magnetic pole with another section of armature is axially aligned, and promptly two sections armatures intersect with two sections parallel magnetic poles and align.
Side pawl utmost point has the utmost point pawl more than 4 or 4, and the quantity of utmost point pawl is 2 integral multiple, as 6,8,10 or the like.The quantity sum of one section armature and one section parallel magnetic pole is identical with the utmost point pawl quantity of a side pawl utmost point, and perhaps, the quantity sum of one section armature and one section parallel magnetic pole is 3 times or 6 times or 9 times or 12 times or 15 times of utmost point pawl quantity of a side pawl utmost point.As a side pawl utmost point 6 utmost point pawls are arranged, then the quantity sum of one section armature and one section parallel magnetic pole is 6 or 18 or 36 or 54 or the like.Certain 18 times, 21 times etc. 3 integral multiple all is fine, but general generator can not adopt too big multiple.
The pawl utmost point can be regulated with the repulsion size of parallel magnetic pole, with the size of field regulator adjusting main pole with parallel magnetic pole excitation electric current and voltage, just can make the repulsion of the pawl utmost point and parallel magnetic pole identical with the size trend of the suction of the pawl utmost point and armature.Because field regulator is not only wanted the size can regulate suction and repulsion, the size that will can regulate output voltage also will be accomplished both adjusted in concert and is not easy.Two field regulators can be set, regulate the electric current and the voltage of main pole and parallel magnetic pole respectively, when the voltage of main pole changed, the automatic excitation regulator of parallel magnetic pole can be made corresponding adjusting automatically.
The exciting current that inserts generator is a direct current, and main pole is the stationary magnetic field with the magnetic field that parallel magnetic pole produces.
Because the suction and the repulsion of generator can be cancelled out each other, in fact prime mover drives rotor rotation does not need to consume too many mechanical energy.Therefore, generator generally uses motor as prime mover, realizes generating electricity with electricity.Motor connects with the rotating shaft of generator with shaft coupling, and perhaps, motor and generator be casing altogether.Motor generally also adopts brushless motor.
Generator work the time also can produce heat energy, if motor and generator are located in the same casing, and then can common fan, fin or liquid-cooled-type cooling device.Terminal box is located on the casing.Fan is located in the rotating shaft, perhaps, is cast with fan blade at pawl on extremely.Field regulator generally adopts automatic excitation regulator, and automatic excitation regulator is located in the end cap.
Description of drawings
Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 are the utility model first example structure schematic diagram.
Fig. 6 is the utility model second example structure schematic diagram.
Fig. 7 is the utility model the 3rd example structure schematic diagram.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
First embodiment
Referring to Fig. 1 stator and rotor structure composite diagram, Fig. 2 stator structure decomposes composite diagram, and Fig. 3 bends pawl formula side claw-pole structure figure, Fig. 4 intermediate pawl electrode structure figure, the straight pawl formula of Fig. 5 side pawl structure chart.A kind of magnetic balanced Lundell three-phase alternating current brushless generator, mainly comprise armature, parallel magnetic pole, the pawl utmost point, main pole, snap ring, rotating shaft, support, end cap, connect around box, field regulator, rectifier and fan, armature is made up of armature core (3) and armature winding (1), parallel magnetic pole is made up of parallel magnetic field iron core (4) and parallel magnetic field winding (2), main pole is made up of main field winding (6) and yoke (10), the pawl utmost point is by an intermediate pawl utmost point (5) and two side pawl utmost points (8,11) form, it is characterized in that: armature, parallel magnetic pole and main pole are divided two sections settings, every section connects into an integral body with two snap rings (7), be fixed on again on support and/or the end cap, main pole is located at internal layer, the alternate skin that is located at of armature with parallel magnetic pole, every section has 3 armatures and 3 parallel magnetic poles, two sections armatures are axially aligned, and two sections parallel magnetic poles are axially aligned; The intermediate pawl utmost point is located at the centre of two sections main poles, and two side pawl utmost points are located at the outside of two main poles respectively, leave air gap between the pawl utmost point and the main pole, and the pawl utmost point is fixed in the rotating shaft (9), and rotating shaft is passed from the circular hole in the middle of the yoke of main pole; Two main poles insert reverse direct current, form three pole fields that a magnetic field model is S-N-S or N-S-N with the pawl utmost point; Two magnetic poles of parallel magnetic pole are relative with the rotational trajectory of the pawl end of the intermediate pawl utmost point and the side pawl utmost point respectively and leave air gap, and the two ends of armature core are relative with the rotational trajectory of the pawl end of the intermediate pawl utmost point and the side pawl utmost point respectively and leave air gap; Parallel magnetic pole with insert direct current in the same way with a section main pole, promptly parallel magnetic pole and the pawl utmost point are set at and repel each other.The side pawl utmost point has 6 curved utmost point pawls, and the intermediate pawl utmost point has 12 curved utmost point pawls, and the two-way repulsion that parallel magnetic field and main field produce is used for offsetting the two-way suction that produces when armature cuts the magnetic line of force of main field; Rotating shaft is positioned end cap with the angular contact ball bearing that can bear radial and axial load simultaneously; Outlet box is located on the support; The electric current that inserts magnetic balanced device is a direct current, and the magnetic field that the electromagnet of magnetic balanced device produces is the stationary magnetic field; Be provided with two automatic excitation regulators in the end cap, an automatic excitation regulator is used to regulate the exciting current of main pole, and an automatic excitation regulator is used to regulate the exciting current of parallel magnetic pole; The side pawl is cast with fan blade on extremely.The armature winding wire structures: each winding is made up of a pitch of the laps, 3 identical armature winding on armature core are pressed space interval 120 degree placements, by star connection three phase winding tail ends being connected together, to draw be the neutral line, and the exit of 3 phase windings is a phase line.
Second embodiment
Decompose composite diagram referring to Fig. 6 stator and rotor, a kind of magnetic balanced Lundell brushless motor-generator, mainly comprise armature, parallel magnetic pole, the pawl utmost point, main pole, snap ring (7), rotating shaft (9), support, end cap, connect around box, field regulator, rectifier, fan and motor, armature is made up of armature core (3) and armature winding (1), parallel magnetic pole is made up of parallel magnetic field iron core (4) and parallel magnetic field winding (2), main pole is made up of main field winding (6) and yoke (10), and the pawl utmost point is made up of an intermediate pawl utmost point (5) and two side pawl utmost points (8).Two sections armature shafts align to intersecting with two sections parallel magnetic poles.Motor and generator are located in the same casing, shared rotating shaft, field power supply, outlet box etc.Motor is the three-phase alternating current brushless motor.All the other do not state part with first embodiment, no longer repeat.
The 3rd embodiment
Referring to Fig. 7 unistage type stator and rotor structure composite diagram, a kind of magnetic balanced unistage type pawl utmost point brushless motor-generator, mainly comprise armature, parallel magnetic pole, the pawl utmost point, main pole, snap ring (7), rotating shaft (9), support, end cap, connect around box, field regulator, rectifier, fan and motor, armature is made up of armature core (3) and armature winding (1), parallel magnetic pole is made up of parallel magnetic field iron core (4) and parallel magnetic field winding (2), main pole is made up of main field winding (6) and yoke (10), and the pawl utmost point is made up of two side pawl utmost points (8).Armature, parallel magnetic pole and main pole adopt single segment structure, and two snap rings (7) connect into an integral body, are fixed on support and/or the end cap again, and main pole is located at internal layer, 3 armatures and 3 alternate skins that are located at of parallel magnetic pole; Two side pawl utmost points are located at the outside of two main poles respectively, leave air gap between the pawl utmost point and the main pole, and the pawl utmost point is fixed in the rotating shaft (9), and rotating shaft is passed from the circular hole in the middle of the yoke of main pole.Bearing adopts magnetic bearing.All the other do not state part with first embodiment, no longer repeat.
Claims (10)
1. magnetic balanced Lundell brushless generator, mainly comprise armature, parallel magnetic pole, the pawl utmost point, main pole, snap ring, rotating shaft, support, end cap, connect around box, field regulator, rectifier and fan, armature is made up of armature core (3) and armature winding (1), parallel magnetic pole is made up of parallel magnetic field iron core (4) and parallel magnetic field winding (2), main pole is made up of main field winding (6) and yoke (10), the pawl utmost point is by an intermediate pawl utmost point (5) and two side pawl utmost points (8,11) form, it is characterized in that: armature, parallel magnetic pole and main pole are divided two sections settings, every section connects into an integral body with two snap rings (7), be fixed on again on support and/or the end cap, main pole is located at internal layer, the alternate skin that is located at some parallel magnetic poles of some armatures; The intermediate pawl utmost point is located at the centre of two sections main poles, and two side pawl utmost points are located at the outside of two main poles respectively, leave air gap between the pawl utmost point and the main pole, and the pawl utmost point is fixed in the rotating shaft (9), and rotating shaft is passed from the circular hole in the middle of the yoke of main pole; Two main poles insert reverse direct current, form three pole fields that a magnetic field model is S-N-S or N-S-N with the pawl utmost point; Two magnetic poles of parallel magnetic pole are relative with the rotational trajectory of the pawl end of the intermediate pawl utmost point and the side pawl utmost point respectively and leave air gap, and the two ends of armature core are relative with the rotational trajectory of the pawl end of the intermediate pawl utmost point and the side pawl utmost point respectively and leave air gap; Parallel magnetic pole with insert direct current in the same way with a section main pole, promptly parallel magnetic pole and the pawl utmost point are set at and repel each other.
2. according to the described a kind of magnetic balanced Lundell brushless generator of claim 1, it is characterized in that described generator is magnetic balanced two section Lundell single-phase alternators or magnetic balanced two section Lundell threephase alternators.
3. according to the described a kind of magnetic balanced Lundell brushless generator of claim 2, it is characterized in that magnetic balanced two section Lundell brushless generators remove wherein one section armature, main pole, parallel magnetic pole, snap ring and intermediate pawl utmost point, are transformed into magnetic balanced single hop Lundell brushless generator.
4. according to claim 1 or 2 or 3 described a kind of magnetic balanced Lundell brushless generators, it is characterized in that on pawl extremely some straight pawls or curved pawl or flat tapered jaw or curving pawl being arranged.
5. according to claim 1 or 2 or 3 described a kind of magnetic balanced Lundell brushless generators, it is characterized in that intermediate pawl is extremely as a whole, perhaps, the intermediate pawl utmost point is extremely synthetic by two pawls, connects with nonferromugnetic material between two pawl utmost points.
6. according to claim 1 or 2 or 3 described a kind of magnetic balanced Lundell brushless generators, it is characterized in that parallel magnetic field iron core and armature core are vertical bar shaped or oblique strip shaped iron core; The two ends of upright core are straight, and upright core is " one " font, perhaps, the two ends projection of upright core, upright core is " worker " font.
7. according to claim 1 or 2 or 3 described a kind of magnetic balanced Lundell brushless generators, the bearing that it is characterized in that described connection rotating shaft and end cap is deep groove ball bearing or taper roll bearing or angular contact ball bearing or magnetic bearing.
8. according to claim 1 or 2 or 3 described a kind of magnetic balanced Lundell brushless generators, it is characterized in that a side pawl utmost point has the utmost point pawl more than 4 or 4, the quantity of utmost point pawl is 2 integral multiple; One section armature has 3 or 3 above armatures, and one section parallel magnetic pole has the parallel magnetic pole more than 3 or 3, and with alternate and establish with the parallel magnetic pole of section, both quantity is identical with the section armature; The quantity sum of one section armature and one section parallel magnetic pole is identical with the utmost point pawl quantity of a side pawl utmost point, and perhaps, the quantity sum of one section armature and one section parallel magnetic pole is 3 times or 6 times or 9 times or 12 times or 15 times of utmost point pawl quantity of a side pawl utmost point.
9. according to claim 1 or 2 or 3 described a kind of magnetic balanced Lundell brushless generators, the prime mover that it is characterized in that generator is a motor; Motor connects with the rotating shaft of generator with shaft coupling, and perhaps, motor and generator be casing altogether.
10. according to claim 1 or 2 or 3 described a kind of magnetic balanced Lundell brushless generators, it is characterized in that generator is provided with two automatic excitation regulators, regulates the electric current and the voltage of main pole and parallel magnetic pole respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200606278U CN202026219U (en) | 2011-03-08 | 2011-03-08 | Claw pole type brushless generator with balanced magnetic force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200606278U CN202026219U (en) | 2011-03-08 | 2011-03-08 | Claw pole type brushless generator with balanced magnetic force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202026219U true CN202026219U (en) | 2011-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200606278U Expired - Fee Related CN202026219U (en) | 2011-03-08 | 2011-03-08 | Claw pole type brushless generator with balanced magnetic force |
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| Country | Link |
|---|---|
| CN (1) | CN202026219U (en) |
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2011
- 2011-03-08 CN CN2011200606278U patent/CN202026219U/en not_active Expired - Fee Related
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20120308 |