CN103470628A - Transmission spindle vertical axis wind turbine in simple self-balancing suspension structure - Google Patents
Transmission spindle vertical axis wind turbine in simple self-balancing suspension structure Download PDFInfo
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- CN103470628A CN103470628A CN2013103770210A CN201310377021A CN103470628A CN 103470628 A CN103470628 A CN 103470628A CN 2013103770210 A CN2013103770210 A CN 2013103770210A CN 201310377021 A CN201310377021 A CN 201310377021A CN 103470628 A CN103470628 A CN 103470628A
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Abstract
The invention discloses a transmission spindle of a vertical axis wind turbine in a simple self-balancing suspension structure. The transmission spindle mainly comprises a vertical outer sleeve stationary axle, an internal rotation transmission axle, radial two-degree-of-freedom full permanent magnet suspension bearings, an axial single-degree-of-freedom full permanent magnet suspension bearing, a radial magnetic full angle self-adjustment mechanism and the like. The radial magnetic full angle self-adjustment mechanism is mounted on the vertical outer sleeve stationary axle, can be located in an upwind position all the time and realize a closed-loop feedback self-adjustment function of a radial suspension magnetic force when the wind power is changed, and allows a radial suspension air gap between the internal rotation transmission axle and the vertical outer sleeve stationary axle to be unchanged basically. The transmission spindle of the vertical axis wind turbine adopts a full permanent magnet suspension technology and a pure mechanical automatic control mechanism, and has the advantages of simple structure, no friction, no electric energy consumption, low cost and failure rate, high cost performance and the like.
Description
The application is application number: 201210364020.8, the applying date: 2012.9.26, name are called dividing an application of " full permanent magnetism self balancing suspension vertical shaft wind energy conversion system transmission main shaft ".
Technical field
The present invention relates to the fields such as vertical axis windmill and magnetic levitation technology, be specifically related to a kind of full permanent magnetism self balancing suspension vertical shaft wind energy conversion system transmission main shaft.
Background technique
Vertical axis windmill has been set up tentative wind field except minority area in the world, the large-scale popularization not still at present, but its superior aerodynamic performance more and more causes various countries researcher's attention.
Self-starting is low is one of main deficiency of vertical axis windmill.Improve the performance of vertical axis windmill, must adopt an effective measure and overcome this deficiency.Consider that magnetic suspension bearing has the machinery-free friction, contactless wearing and tearing, without lubricated, the advantages such as the operation noise is little, and rigidity is controlled, for vertical axis windmill main shaft structure system, can reduce the static viscous resistance torque of main shaft, improve self-startup ability, eliminate the mechanical wear loss, improve electromechanical conversion efficiency.
Accordingly, the method that some scholars propose to adopt electromagnetic bearing to substitute traditional mechanical support bearing designs the wind energy conversion system main shaft, " a kind of suspension horizontal shaft direct-driving type wind driven generator with five freedom degrees " that the people such as " magnetic suspension vertical turbine wind generator " proposed in patent CN101532471 as people such as Wu Guoqing, Zhang Guangming propose in patent CN102182624 etc.The basic demand of electromagnetic bearing application is to be equipped with position closed loop feedback control circuit and system, and the advantage of this type of magnetic suspension wind machine formed thus is: the magnetic force governing speed is fast, and suspension air gap is constant, and wind resistance force-disturbance ability is strong.But its shortcoming is: closed-loop feedback automatical control system complexity, and circuit hardware input and operation expense are high, and rate of fault is high, and consumes electric energy for a long time, and total electrical power consumed is large.
In order to overcome the shortcoming of above-mentioned electromagnetic bearing type magnetic suspension wind machine, the method that some scholars propose to adopt Permanent-magnet bearing to substitute traditional mechanical support bearing designs wind energy conversion system, " vertical full magnetic suspension wind force power generator " that the people such as " fully permanent magnetic floating wind generator " proposed in patent CN101034861 as people such as Li Guokun, Liu Xiao propose in patent CN1948746 etc.Permanent-magnet bearing, without peripheral auxiliary control circuit, does not consume electric energy, and failure rate is low, as long as permanent magnet shape and rationally distributed can guarantee to be suspended by the steady stability of suspension substantially.These characteristics are permanent-magnet suspension bearing advantages in the wind-power electricity generation application.But the wind energy conversion system of the existing less consideration permanent magnet suspension of document structure is at the permanent air gap suspension characteristic of wind-force disturbance low suspension main shaft, suspension air gap on each degrees of freedom direction is subject to the variation of wind direction and wind-force size and changes, can not, along with wind direction and wind-force size adaptation ground change the magnetic force size on corresponding degrees of freedom direction, can not guarantee the constant of magnetic-suspension main-shaft suspension air gap.Then cause the spindle axis bias that suspends, main shaft is collected together and chatter, increases the mechanical transmission loss be connected with generator, reduces the life-span of generator, improves the mechanical instability degree of wind-power generating system complete machine.
Therefore, the advantage of utilizing Permanent-magnet bearing to apply in wind power generation field, study and a kind ofly can adjust adaptively magnetic force direction and size according to the variation of wind direction and wind-force size, guarantee the constant magnetic suspension vertical shaft wind energy conversion system transmission main shaft structure of fully permanent magnet suspension main shaft suspension air gap under the wind-force disturbance, there is good Practical meaning.
Summary of the invention
The object of the present invention is to provide a kind of rational in infrastructure, can adjust adaptively direction and the size of radial suspension magnetic force according to the variation of wind direction and wind-force size, guarantee the vertical axis windmill transmission main shaft of the simple self balancing suspension structure that suspension main shaft suspension air gap under the wind-force disturbance is constant.
Technical solution of the present invention is:
A kind of full permanent magnetism self balancing suspension vertical shaft wind energy conversion system transmission main shaft, it is characterized in that: comprise the vertical stationary axle of outer sleeve, interior rotating drive shaft, radially two degrees of freedom fully permanent magnet suspension bearing, axial single-degree-of-freedom fully permanent magnet suspension bearing, it is characterized in that: also comprise radial magnetic force full angle self-regulating mechanism; Described radial magnetic force full angle self-regulating mechanism comprises fan arc blast induction air gathering plate, permanent magnetic torque cell cube, wind moment transmission arm, radial bearing, air gathering plate support, permanent magnetic torque support, transmission arm hinge, roller, sliding rail, spring, wind-guiding dorsal fin plate, spacing crossbeam; Radial bearing is installed on the vertical stationary axle external diameter of outer sleeve, and is connected with the permanent magnetic torque support with the air gathering plate support; Between fan arc blast induction air gathering plate and air gathering plate support, the transmission arm hinge is installed; Wind moment transmission arm one side is connected with fan arc blast induction air gathering plate, and the end of opposite side is installed roller; Permanent magnetic torque cell cube top and roller contact, bottom contacts with sliding rail, and back is connected with the permanent magnetic torque support by spring; Sliding rail is connected with the permanent magnetic torque frame bottom; Wind-guiding dorsal fin plate is connected with fan arc blast induction air gathering plate back; Spacing crossbeam props up top of the trellis with permanent magnetic torque and is connected; Radially two degrees of freedom fully permanent magnet suspension bearing and axially single-degree-of-freedom fully permanent magnet suspension bearing are installed on the vertical stationary axle of outer sleeve, are inserted in inward turning in it and turn transmission shaft.
Described permanent magnetic torque cell cube is made by permanent-magnet material, and its cross section is that circular arc, longitudinal section are trapezoidal, along being magnetized on the trapezoidal short transverse in longitudinal section.
Described air gathering plate support and permanent magnetic torque support left and right symmetrically are installed on the radial bearing both sides.
Size of gaps between permanent magnet moment cell cube and outer sleeve stationary axle, be the real-time strong and weak situation of following wind-force and the form of automatically regulating.
Fan arc blast induction air gathering plate be follow wind direction variation and around the rotation of outer sleeve stationary axle, and the form in upwind position all the time.
The vertical stationary axle of described outer sleeve, interior transmission rotational axis are made by permeability magnetic material; Described fan arc blast induction air gathering plate, wind moment transmission arm, radial bearing, air gathering plate support, permanent magnetic torque support, transmission arm hinge, roller, sliding rail, spring, wind-guiding dorsal fin plate, spacing crossbeam are made by non-magnet material.
Wind-guiding dorsal fin plate is arranged on the midline position place at fan arc blast induction air gathering plate back, is triangular prism shaped.
The invention has the advantages that:
(1) direction of radial suspension magnetic force and size in real time box haul and wind-force adjusted, there is Adaptive, guarantee the constant of vertical shaft transmission rotary main shaft axle center suspension air gap.
(2) adopted fully permanent magnet suspension technology and Purely mechanical automatic control mechanism, simple in structure, consume electric power not, cost and failure rate is low, cost performance is high.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
The apparatus structure plan view that Fig. 1 is one embodiment of the invention.
Fig. 2 is the cross-sectional plan view of two degrees of freedom fully permanent magnet suspension bearing radially.
The longitudinal section side view that Fig. 3 is axial single-degree-of-freedom fully permanent magnet suspension bearing.
Fig. 4 is axially upper permanent-magnetic clamp schematic appearance.
Fig. 5 is radial magnetic force full angle self-regulating mechanism structural front view.
Fig. 6 be permanent magnetic torque cell cube outward appearance and with the relative installation schematic diagram of the vertical stationary axle of outer sleeve.
Fig. 7 is the perspective view of fan arc blast induction air gathering plate.
The suspension center displacement variable parameter definition schematic diagram that Fig. 8 is interior rotating drive shaft.
Wherein, the black arrow direction in Fig. 2 to Fig. 6 represents magnetic line of force direction.
Embodiment
A kind of vertical axis windmill transmission main shaft of simple self balancing suspension structure of take is example, and the invention will be further described by reference to the accompanying drawings.
Described a kind of full permanent magnetism self balancing suspension vertical shaft wind energy conversion system transmission main shaft by the vertical stationary axle 1 of outer sleeve, interior rotating drive shaft 2, radially two degrees of freedom fully permanent magnet suspension bearing 3, axially single-degree-of-freedom fully permanent magnet suspension bearing 4, radial magnetic force full angle self-regulating mechanism 5 etc. form.
Referring to accompanying drawing 1, interior rotating drive shaft 2 is inserted in the inside at the vertical stationary axle 1 of outer sleeve.The vertical stationary axle 1 of outer sleeve is connected with ground, maintains static.Interior rotating drive shaft 2 tops connect wind energy conversion system, and bottom connects generator, completes the transmission of wind-powered machine energy.In the present embodiment, radially two degrees of freedom fully permanent magnet suspension bearing, 1 axial single-degree-of-freedom fully permanent magnet suspension bearing realize that interior rotating drive shaft 2 suspends with respect to the five degree of freedom of the vertical stationary axle 1 of outer sleeve to have adopted 2.When 1 radial magnetic force full angle self-regulating mechanism realizes that wind-force changes, the closed-loop feedback self-regulating function of radial suspension magnetic force, make interior rotating drive shaft 2 substantially constant with respect to the radial suspension air gap of the vertical stationary axle 1 of outer sleeve.
Referring to accompanying drawing 2, radially two degrees of freedom fully permanent magnet suspension bearing 3 is by radially magnetism resistent ring 6, radial permanent magnet ring 7 and radial permanent magnet body 9 form.Radial permanent magnet ring 7 is socketed on interior rotating drive shaft 2 by magnetism resistent ring 6 radially, along interior radial outer diameter direction, magnetizes.Radial permanent magnet body 9 has 2 pairs, along the installation of evenly arranging of the cross-sectional periphery of the vertical stationary axle 1 of outer sleeve, along the outer radial internal diameter direction, magnetizes.From " homopolar-repulsion " principle, this radially two degrees of freedom fully permanent magnet suspension bearing 3 can guarantee under without the external force disturbed conditions, radial suspension air gap 8 keeps constant, and interior rotating drive shaft 2 can be with respect to vertical stationary axle 1 Concentric rotation of outer sleeve.
Referring to accompanying drawing 3, axially single-degree-of-freedom fully permanent magnet suspension bearing 4 by end thrust dish 10, axially go up magnetism resistent ring 11, axially go up permanent-magnetic clamp 12, axially descend permanent-magnetic clamp 14, axially descend magnetism resistent ring 15 to form.The outward appearance of axially upper permanent-magnetic clamp 12, referring to shown in accompanying drawing 4, axially descends the outward appearance of permanent-magnetic clamp 14 similar with it.End thrust dish 10 is fixedly mounted on interior rotating drive shaft 2, axially goes up permanent-magnetic clamp 12 and embeds by axially upper magnetism resistent ring 11 inside that is installed on end thrust dish 10, along vertical downward direction, magnetizes.Axial lower permanent-magnetic clamp 14 embeds and is installed on the pedestal of the vertical stationary axle 1 of outer sleeve by axially lower magnetism resistent ring 15, magnetizes in edge direction vertically upward.From " homopolar-repulsion " principle, this axial single-degree-of-freedom fully permanent magnet suspension bearing 4 can guarantee under without the external force disturbed conditions, axial suspension air gap 13 keeps constant, and, on gravitational direction, interior rotating drive shaft 2 can be with respect to the vertical stationary axle 1 of outer sleeve without frictionally rotation.
Referring to accompanying drawing 5, radial magnetic force full angle self-regulating mechanism 5 is comprised of fan arc blast induction air gathering plate 16, permanent magnetic torque cell cube 17, wind moment transmission arm 18, radial bearing 19, air gathering plate support 20, permanent magnetic torque support 21, transmission arm hinge 22, roller 23, sliding rail 24, spring 25, wind-guiding dorsal fin plate 26, spacing crossbeam 27.Upper and lower 2 radial bearings 19 all are installed on the external diameter of the vertical stationary axle 1 of outer sleeve, and are connected with permanent magnetic torque support 21 with air gathering plate support 20; Between fan arc blast induction air gathering plate 16 and air gathering plate support 20, transmission arm hinge 22 is installed; Wind moment transmission arm 18 1 sides are connected with fan arc blast induction air gathering plate 16, and the end of opposite side is installed roller 23; Permanent magnetic torque cell cube 17 tops contact with roller 23, and bottom contacts with sliding rail 24, and back is connected with permanent magnetic torque support 21 by 2 springs 25; Sliding rail 24 is connected with the bottom of permanent magnetic torque support 21; Wind-guiding dorsal fin plate 26 is connected with the back of fan arc blast induction air gathering plate 16; The spacing crossbeam 27 in 2 of front and back is installed on respectively the top of permanent magnetic torque support 21; Air gathering plate support 20 and permanent magnetic torque support 21 left and right symmetricallies are installed on the both sides of 2 radial bearings 19.Have air gap 28 between permanent magnetic torque cell cube 17 stationary axle 1 vertical with outer sleeve, its value is δ.
Referring to accompanying drawing 6, permanent magnetic torque cell cube 17 is made by permanent-magnet material, and its cross section is circular arc, and its longitudinal section is trapezoidal, along being magnetized on the trapezoidal short transverse in longitudinal section.Cambered surface one side of permanent magnetic torque cell cube 17 is relative with the vertical stationary axle 1 of outer sleeve.
Referring to accompanying drawing 7, cubic male structure and the design of fan arc of fan arc blast induction air gathering plate 16, make fan arc blast induction air gathering plate 16 have characteristic windward.Simultaneously, the triangular prism shaped wind-guiding dorsal fin plate 26 of installing at the midline position place at fan arc blast induction air gathering plate 16 backs, its function class is similar to the empennage of wind vane, has improved further the characteristic windward of fan arc blast induction air gathering plate 16.Therefore, when the direction of wind-force V changes, under the support of radial bearing 19 and air gathering plate support 20, fan arc blast induction air gathering plate 16 can rotate around outer sleeve stationary axle 1, and drives whole radial magnetic force full angle self-regulating mechanism 5 all the time windward.Fan arc blast induction air gathering plate be follow wind direction variation and around the rotation of outer sleeve stationary axle, and the form in upwind position all the time.
In situation windward, when wind-force value V increases, angle α between fan arc blast induction air gathering plate 16 and air gathering plate support 20 increases, moving at transmission arm hinge 22 supports gearing, wind moment transmission arm 18 overcomes the pulling force of spring 25, utilize lever principle pushing tow permanent magnetic torque cell cube 17 to move along the wind direction direction, cause the value δ of air gap 28 to reduce, the attraction magnetic force F of the vertical stationary axle 1 of 17 pairs of outer sleeves of permanent magnetic torque cell cube and interior rotating drive shaft 2 strengthens, make interior rotating drive shaft 2 strengthen along the reciprocal movement tendency of wind direction, offset because wind-force value V increases and promoted its movement tendency along the wind direction postive direction, guaranteed the constant of radial suspension air gap between interior rotating drive shaft 2 stationary axle 1 vertical with outer sleeve.
The vertical stationary axle of described outer sleeve, interior transmission rotational axis are made by permeability magnetic material; Described fan arc blast induction air gathering plate, wind moment transmission arm, radial bearing, air gathering plate support, permanent magnetic torque support, transmission arm hinge, roller, sliding rail, spring, wind-guiding dorsal fin plate, spacing crossbeam are made by non-magnet material.
Referring to accompanying drawing 8, if hypothesis Δ σ
+for radial suspension air gap 8, along the location variation on wind-force V postive direction,, under the equilibrium conditions of certain of radial suspension air gap 8, when wind-force value V increases, the self balancing adjustment process of radial suspension air gap can be meaned by formula (1).
In situation windward, when wind-force value V reduces, by Action of Gravity Field, angle α between fan arc blast induction air gathering plate 16 and air gathering plate support 20 reduces, moving at transmission arm hinge 22 supports under the recovery pulling force effect of transmission and spring 25, utilize lever principle, the thrusting action power of 18 pairs of permanent magnetic torque cell cubes 17 of wind moment transmission arm reduces, make it to move in the other direction along wind direction, cause the value δ of air gap 28 to increase, the attraction magnetic force F of the vertical stationary axle 1 of 17 pairs of outer sleeves of permanent magnetic torque cell cube and interior rotating drive shaft 2 weakens, make interior rotating drive shaft 2 strengthen along the movement tendency of wind direction direction, offset because of wind-force value V reduce former magnetic force moving its along the reciprocal movement tendency of wind direction, guaranteed the constant of radial suspension air gap between interior rotating drive shaft 2 stationary axle 1 vertical with outer sleeve.
Referring to accompanying drawing 8, if hypothesis Δ σ
-for radial suspension air gap 8, along the location variation on wind-force V negative direction,, under the equilibrium conditions of certain of radial suspension air gap 8, when wind-force value V weakens, the self balancing adjustment process of radial suspension air gap can be meaned by formula (2).
In the present invention, wind-force is to the formed active force of fan arc blast induction air gathering plate 16, by take the leverage that transmission arm hinge 22 is fulcrum, has been delivered on wind moment transmission arm 18, and permanent magnetic torque cell cube 17 is formed to pushing tow or release actions.Due to the movement travel of wind moment transmission arm 18 be subject to before and after 2 spacing crossbeams 27 spacing, therefore, the pushing tow on permanent magnetic torque cell cube 17 or release action power is also limited.Working principle accordingly, in the specific embodiment of the invention process, can be according to the lever principle of force transmission, according to wind energy conversion system, cross section, fan arc blast are responded to the air gathering plate area windward, the parameters such as permanent magnetic torque cell cube magnetism intensity, interior rotating drive shaft quality, design and choose optimum wind moment transmission arm length, and the correct position of spacing crossbeam placement, so that the self balancing adjustment process guarantees that more accurately with sensitive fully permanent magnet suspension main shaft suspension air gap under the wind-force disturbance is constant.
Claims (3)
1. the vertical axis windmill transmission main shaft of a simple self balancing suspension structure, it is characterized in that: comprise the vertical stationary axle of outer sleeve, interior rotating drive shaft, radially two degrees of freedom fully permanent magnet suspension bearing, axial single-degree-of-freedom fully permanent magnet suspension bearing, it is characterized in that: also comprise radial magnetic force full angle self-regulating mechanism; Described radial magnetic force full angle self-regulating mechanism comprises fan arc blast induction air gathering plate, permanent magnetic torque cell cube, wind moment transmission arm, radial bearing, air gathering plate support, permanent magnetic torque support, transmission arm hinge, roller, sliding rail, spring, wind-guiding dorsal fin plate, spacing crossbeam; Radial bearing is installed on the vertical stationary axle external diameter of outer sleeve, and is connected with the permanent magnetic torque support with the air gathering plate support; Between fan arc blast induction air gathering plate and air gathering plate support, the transmission arm hinge is installed; Wind moment transmission arm one side is connected with fan arc blast induction air gathering plate, and the end of opposite side is installed roller; Permanent magnetic torque cell cube top and roller contact, bottom contacts with sliding rail, and back is connected with the permanent magnetic torque support by spring; Sliding rail is connected with the permanent magnetic torque frame bottom; Wind-guiding dorsal fin plate is connected with fan arc blast induction air gathering plate back; Spacing crossbeam props up top of the trellis with permanent magnetic torque and is connected; Radially two degrees of freedom fully permanent magnet suspension bearing and axially single-degree-of-freedom fully permanent magnet suspension bearing are installed on the vertical stationary axle of outer sleeve, are inserted in inward turning in it and turn transmission shaft; The vertical stationary axle of described outer sleeve, interior transmission rotational axis are made by permeability magnetic material; Described fan arc blast induction air gathering plate, wind moment transmission arm, radial bearing, air gathering plate support, permanent magnetic torque support, transmission arm hinge, roller, sliding rail, spring, wind-guiding dorsal fin plate, spacing crossbeam are made by non-magnet material.
2. the vertical axis windmill transmission main shaft of simple self balancing suspension structure according to claim 1, it is characterized in that: described permanent magnetic torque cell cube is made by permanent-magnet material, its cross section is that circular arc, longitudinal section are trapezoidal, along being magnetized on the trapezoidal short transverse in longitudinal section.
3. the vertical axis windmill transmission main shaft of simple self balancing suspension structure according to claim 1, it is characterized in that: described air gathering plate support and permanent magnetic torque support left and right symmetrically are installed on the radial bearing both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310377021.0A CN103470628B (en) | 2012-09-26 | 2012-09-26 | The vertical axis windmill transmission main shaft of self-balancing suspension structure |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210364020.8A CN102878201B (en) | 2012-09-26 | 2012-09-26 | Full permanent-magnetic self-balance suspension vertical axis wind turbine transmission main shaft |
| CN201310377021.0A CN103470628B (en) | 2012-09-26 | 2012-09-26 | The vertical axis windmill transmission main shaft of self-balancing suspension structure |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210364020.8A Division CN102878201B (en) | 2012-09-26 | 2012-09-26 | Full permanent-magnetic self-balance suspension vertical axis wind turbine transmission main shaft |
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| Publication Number | Publication Date |
|---|---|
| CN103470628A true CN103470628A (en) | 2013-12-25 |
| CN103470628B CN103470628B (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310377021.0A Expired - Fee Related CN103470628B (en) | 2012-09-26 | 2012-09-26 | The vertical axis windmill transmission main shaft of self-balancing suspension structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112248027A (en) * | 2020-08-28 | 2021-01-22 | 北京信息科技大学 | Joint structure for robot |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040160062A1 (en) * | 2003-02-19 | 2004-08-19 | Alejandro Tomas | Mechanical, electro-magnetic device for generating electricity by wind system of horizontal, channelled blades, and additional magnetic input |
| JP2009299637A (en) * | 2008-06-17 | 2009-12-24 | Toru Fukushima | Wind turbine generator |
| CN201546904U (en) * | 2009-11-06 | 2010-08-11 | 李国宏 | Permanent magnetic floating vertical axis wind driven generator |
| CN101943107A (en) * | 2009-07-10 | 2011-01-12 | 王忠玉 | Hemispherical magnetic suspension bearing of huge magnetic suspension vertical shaft diagonal windmill |
| CN201982250U (en) * | 2011-03-16 | 2011-09-21 | 王忠明 | Permanent magnet type horizontal magnetic suspension matching system of vertical-axis wind-driven power generator set |
-
2012
- 2012-09-26 CN CN201310377021.0A patent/CN103470628B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040160062A1 (en) * | 2003-02-19 | 2004-08-19 | Alejandro Tomas | Mechanical, electro-magnetic device for generating electricity by wind system of horizontal, channelled blades, and additional magnetic input |
| JP2009299637A (en) * | 2008-06-17 | 2009-12-24 | Toru Fukushima | Wind turbine generator |
| CN101943107A (en) * | 2009-07-10 | 2011-01-12 | 王忠玉 | Hemispherical magnetic suspension bearing of huge magnetic suspension vertical shaft diagonal windmill |
| CN201546904U (en) * | 2009-11-06 | 2010-08-11 | 李国宏 | Permanent magnetic floating vertical axis wind driven generator |
| CN201982250U (en) * | 2011-03-16 | 2011-09-21 | 王忠明 | Permanent magnet type horizontal magnetic suspension matching system of vertical-axis wind-driven power generator set |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112248027A (en) * | 2020-08-28 | 2021-01-22 | 北京信息科技大学 | Joint structure for robot |
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