CN103807100B - Wing variable pitch type vertical shaft wind generating set - Google Patents
Wing variable pitch type vertical shaft wind generating set Download PDFInfo
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- CN103807100B CN103807100B CN201410029084.1A CN201410029084A CN103807100B CN 103807100 B CN103807100 B CN 103807100B CN 201410029084 A CN201410029084 A CN 201410029084A CN 103807100 B CN103807100 B CN 103807100B
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- 239000002184 metal Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000000725 suspension Substances 0.000 abstract description 3
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- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
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- 239000000203 mixture Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
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Abstract
The invention discloses a wing variable pitch type vertical shaft wind generating set. A hinge device and a spring device are arranged between each fan blade unit and a corresponding rotary sleeve spindle, the fan blade units and the rotary sleeve spindles can rotate vertically and relatively through the hinge devices, when strong wind comes, the fan blade units lift and rotate to be under the suspension and fast turning state along with the increasing of the rotation speed of wind wheels, the stability is better, the stability of the wing variable pitch type vertical shaft wind generating set is not affected by the increasing of the wind speed, the output power is stable, and the service life of an electric generator is prolonged. The spring devices are arranged on the rotary sleeve spindles and located below the hinge devices and can assist in adjusting the included angle between supporting rods and the horizontal plane, and fan blades are stressed evenly when a wind wheel set rotates at a high speed. Each fan blade unit comprises fan blades, connection rods and two or more supporting rods which are parallel, wherein one ends of the supporting rods are fixedly connected with the connection rods, and the other ends of the supporting rods are hinged to the fan blades. When the fan blades are pushed to rotate by the wind power, the fan blades rotate relative to the supporting rods, the output power is adjusted, and the output power is stable.
Description
Technical field
The present invention relates to vertical axis aerogenerator technical field, particularly relate to a kind of spademan variable pitch type vertical axis aerogenerator group.
Background technology
In prior art, vertical axis aerogenerator is broadly divided into resistance-type and lift-type two class.Resistance type vertical shaft wind driven generator mainly by air flow through blade produce resistance difference as driving force, lift-type be then utilize air flow through blade produce lift as driving force.Owing to blade is in rotary course, along with the increase resistance of rotating speed strongly reduces, and lift can increase on the contrary, so the efficiency of the vertical axis aerogenerator of lift-type wants the much higher of specific resistance type.But, at present resistance-type or the vertical axis aerogenerator of lift-type the most generally also exist following defect: starting torque is little, structure is complicated and also when high wind, wind wheel front face area and stress are big, and make generated output power excessive, it is easily caused motor and damages beyond specified generated output.
Chinese utility model patent (notification number: CN 201155425Y) discloses one " vertical shaft flexible windwheel ", this vertical shaft flexible windwheel includes a vertical rod, the wheel hub of vertical rod one end is connected from different blades by connecting rod, it is electric energy output that wheel hub connects electromotor by changes mechanical energy, vertical rod and each blade are vertically arranged, each connecting rod is horizontally disposed with, its one end is connected with vertical rod, the other end is connected with blade, respectively in 90 degree of right angles between connecting rod and vertical rod and connecting rod and blade, it is to have a flexible suspension respectively between each blade and the junction of connecting rod and rod end, described each connecting rod and the junction of vertical rod, and and the junction employing articulated manner of blade.But, this vertical flexible windwheel is it is difficult to ensure that the stability in the large of vertical electromotor, and vibration is big, and anti-high wind ability also needs to be improved further, is suitable for the narrow problem of wind speed range and also awaits solving further.
Therefore, for existing problems of the prior art, needing offer badly, a kind of anti-high wind ability is good, be suitable for the vertical axis aerogenerator technology that wind speed range is wide and stability is high is particularly important.
Summary of the invention
It is an object of the invention to avoid weak point of the prior art and provide that a kind of simple in construction, anti-high wind ability be good, low noise, be suitable for the spademan variable pitch type vertical axis aerogenerator group that wind speed range is wide and stability is high.
The purpose of the present invention is achieved through the following technical solutions:
A kind of spademan variable pitch type vertical axis aerogenerator group is provided, including electromotor, wind wheel and pylon,
It is provided with drive system, described drive system includes fixing post, bearing, revolution sleeve and power transmission shaft, described electromotor is installed in described pylon, described pylon is provided with fixing post, described revolution sleeve can be rotationally mounted at described fixing post by bearing, described revolution sleeve is fixing with described power transmission shaft to be connected, described power transmission shaft and the rotating shaft drive connection of described electromotor, and described power transmission shaft is arranged at the inside of fixing post；
Described wind wheel is provided with at least two groups equally distributed fan blade unit, and often group fan blade unit includes the pole that fan blade, connecting rod and at least two are arranged in parallel, and one end of described pole is affixed with described connecting rod, and the other end of described pole is hinged with described fan blade；
Often organizing and be provided with articulated mounting and spring assembly between described fan blade unit and described revolution sleeve, can relative be rotated upwardly and downwardly with described revolution sleeve by fan blade unit described in described articulated mounting, described spring assembly is positioned at the lower section of described articulated mounting.
Preferably, described articulated mounting is made up of hinged seat, the second bearing pin and articulated joint, described hinged seat is fixedly arranged on described revolution sleeve, described articulated joint is fixedly arranged on described connecting rod, described hinged seat and described articulated joint are by described second hinge, and described second bearing pin is positioned at the top of described fan blade center of gravity place horizontal plane.
Preferably, described spring assembly is compression spring.
Preferably, described pole is hinged by the first bearing pin and spring link installations with described fan blade near one end of fan blade, and described first bearing pin passes perpendicularly through upper surface and the lower surface of described pole.
Preferred, described spring link installations includes articulated elements, the 3rd bearing pin, the 4th bearing pin and spring, described articulated elements is fixedly arranged on described pole, and described articulated elements passes through the 3rd hinge with one end of described spring, and it is positioned at the rear positions that described first bearing pin is hinged with described fan blade, the other end of described spring is hinged with described fan blade by the 4th bearing pin, and the 4th bearing pin is positioned at the rear positions of cross sectional centroid position of described fan blade.
Another is preferred, described spring link installations is made up of the first housing, stretching spring and the second housing, described first housing hinge is in the described articulated elements of described pole, the scalable inner chamber being sheathed on described first housing of the one end of described second housing, described stretching spring is arranged in the cavity of described first housing and described second housing formation.
Preferably, the length direction of described spring link installations is vertically arranged with described first bearing pin.
Preferably, described power transmission shaft is connected by shaft coupling with the rotating shaft of described electromotor.
Preferably, described bearing is set to upper bearing (metal) and lower bearing, described upper bearing (metal) and described lower bearing and is installed in respectively between described revolution sleeve and described fixing post.
Wherein, described fan blade unit is set to two groups of symmetrical fan blade unit, or described fan blade unit is set to three groups or more than three groups equally distributed fan blade unit.
Beneficial effects of the present invention:
The present invention often organizes and is provided with articulated mounting and spring assembly between fan blade unit and revolution sleeve, can relative be rotated upwardly and downwardly with described revolution sleeve by fan blade unit described in described articulated mounting, keep the plumbness of fan blade to obtain maximum front face area in the range of rated wind speed, when running into high wind, along with wind speed round improves, the centrifugal force of fan blade unit synchronizes to increase therewith, fan blade unit rises rotation, and the size of rotational angle Tong Bu with centrifugal force increase or reduce, fan blade unit is in the state flying to turn that suspends, whole wind wheel makees " rotation " around own central axis line as the gyro rotated, wind speed is the biggest, wind wheel turns the fastest, stability is the best, do not affect the stability of the present invention because of the increase of wind speed, stable output power, be conducive to extending the service life of electromotor.Meanwhile, spring assembly is positioned at the lower section of articulated mounting, its can the angle of auxiliary adjustment pole and horizontal plane, keep wind wheel group stress equalization of each blade when high speed rotating, utilize the stability of the gyroscopic effect whole unit of holding that high speed rotating formed.
Often group fan blade unit includes fan blade, connecting rod and more than two poles arranged in parallel, and one end of pole is affixed with connecting rod, and the other end of pole is hinged with fan blade.When Wind power propelling rotates, fan blade rotates relative to pole, change the angle in fan blade chord length direction and pole, thus change the aerodynamic characteristic of fan blade, adjust the power output of the present invention, power output is stable, make the present invention when high wind also can normal power generation, there is work wind speed range wide, anti-high wind ability is good, and Non-tailstock, simple in construction, low noise and applicable wind speed range be wide and stability advantages of higher.
Accompanying drawing explanation
The invention will be further described to utilize accompanying drawing, but the content in accompanying drawing does not constitute any limitation of the invention.
Fig. 1 is the structural representation of an embodiment of a kind of spademan variable pitch type vertical axis aerogenerator group of the present invention.
Fig. 2 is another angled arrangement schematic diagram of an embodiment of a kind of spademan variable pitch type vertical axis aerogenerator group of the present invention.
Fig. 3 is fan blade and the pole attachment structure schematic diagram of a kind of spademan variable pitch type vertical axis aerogenerator group of the present invention.
Fig. 1 to Fig. 3 includes:
1 pylon
2 electromotors
3 shaft couplings
4 power transmission shafts
5 fix post
6 revolution sleeves,
7 bearings
8 spring assemblies
11 hinged seats
12 articulated joints
13 second bearing pins
14 connecting rods
15 poles
16 fan blades
17 spring link installations
18 first bearing pins
19 articulated elements
20 the 3rd bearing pins
21 springs
22 the 4th bearing pins.
Detailed description of the invention
The invention will be further described with the following Examples.
Embodiment
1
A kind of spademan variable pitch type vertical axis aerogenerator group of the present invention, as shown in Figure 1 to Figure 3, including electromotor 2, wind wheel and pylon 1, and it is provided with drive system, drive system includes fixing post 5, bearing 7, revolution sleeve 6 and power transmission shaft 4, electromotor 2 is installed in pylon 1, and pylon 1 is provided with fixing post 5.Described revolution sleeve 6 can be rotationally mounted at fixing post 5 by bearing 7, and revolution sleeve 6 is fixing with power transmission shaft 4 to be connected, and power transmission shaft 4 is connected with the rotating shaft transmission of electromotor 2 by shaft coupling 3, and power transmission shaft 4 is arranged at the inside of fixing post 5.
Wind wheel includes fan blade unit, and in the present embodiment, fan blade unit is set to two groups of symmetrical fan blade unit, it should be noted that, fan blade unit may be alternatively provided as three groups or more than three groups equally distributed fan blade unit.Often group fan blade unit includes fan blade 16, connecting rod 14 and more than two poles 15 arranged in parallel, one end of pole 15 is affixed with connecting rod 14, the other end of pole 15 and fan blade 16 are hinged by the first bearing pin 18 and spring link installations 17, this first bearing pin 18 passes perpendicularly through upper surface and the lower surface of pole 15 so that fan blade 16 can rotate upwardly and downwardly relative to pole 15.In the present embodiment, the spring link installations 17 that pole 15 is hinged with fan blade 16 includes articulated elements the 19, the 3rd bearing pin the 20, the 4th bearing pin 22 and spring 21, articulated elements 19 is fixedly arranged on pole 15, and articulated elements 19 and one end of spring 21 are hinged by the 3rd bearing pin 20, and it is positioned at the rear positions that the first bearing pin 18 is hinged with fan blade 16, the other end of spring 21 is hinged with fan blade 16 by the 4th bearing pin 22, and the 4th bearing pin 22 is positioned at the rear positions of cross sectional centroid position of fan blade 16.Before reaching rated speed, the best angle θ that wind energy utilization is the highest it is between fan blade 16 and pole 15, after beyond rated speed, further increase along with centrifugal force, centrifugal force overcomes the pulling force of spring link installations 17, and angle starts to increase until becoming negative moment, and it effectively suppresses the raising of wind speed round, making complete machine remain to when high wind keep normal power to export, anti-high wind ability is good.Meanwhile, when Wind power propelling rotates, fan blade 16 rotates around the first bearing pin 18 under centrifugal action, change the angle in fan blade 16 chord length direction and pole 15, the angle of attack θ of regulation fan blade 16, thus change the aerodynamic characteristic of fan blade 16, adjusting the power output of the present invention, power output is stable.The present invention when high wind also can normal power generation, there is work wind speed range wide, anti-high wind ability is good, and Non-tailstock, and simple in construction, low noise and applicable wind speed range be wide and stability advantages of higher.
In the present embodiment, being often provided with articulated mounting and spring assembly 8, spring assembly 8 between group fan blade unit and revolution sleeve 6, this spring assembly 8 is compression spring and the underface being positioned at hinged seat 11.Wherein, articulated mounting is made up of hinged seat the 11, second bearing pin 13 and articulated joint 12, and hinged seat 11 is fixedly arranged on revolution sleeve 6, and articulated joint 12 is fixedly arranged on connecting rod 14, hinged seat 11 and articulated joint 12 are hinged by the second bearing pin 13, and the second pin 13 axle be positioned at fan blade 16 center of gravity place horizontal plane top.Keep the plumbness of fan blade 16 to obtain maximum front face area in the range of rated wind speed, when running into high wind, along with wind speed round improves, the centrifugal force of fan blade unit synchronizes to increase therewith, fan blade unit rises rotation around the second bearing pin 13 axis, and the size of rotational angle Tong Bu with centrifugal force increase or reduce, fan blade unit is in the state flying to turn that suspends, whole wind wheel makees " rotation " around own central axis line as the gyro rotated, wind speed is the biggest, wind wheel turns the fastest, stability is the best, do not affect the stability of the present invention because of the increase of wind speed, stable output power, be conducive to extending the service life of electromotor 2.Simultaneously, it is additionally provided with spring assembly 8 between connecting rod 14 and the revolution sleeve 6 of the present invention, spring assembly 8 is arranged on revolution sleeve 6 and is positioned at the bottom of hinged seat 11, it can the angle of auxiliary adjustment pole 15 and horizontal plane, buffering is because fan blade unit is by the unbalanced vibration caused of blast, keeping wind wheel stress equalization of each blade when high speed rotating, the gyroscopic effect utilizing high speed rotating to be formed keeps the stability of whole unit.
Work process and the principle of a kind of spademan variable pitch type vertical axis aerogenerator group of the present invention are as follows:
Wind power propelling wind wheel rotates, and fan blade unit rotates in suspension rotation status around the second bearing pin 13 rising of articulated mounting, and wind wheel produces gyroscopic effect, good stability, compression spring 10 keeps organizing fan blade unit stress equalization more simultaneously, and has cushioning effect, it is ensured that the stability of whole wind wheel.When wind speed increases to a certain extent, fan blade 16 in fan blade unit is under centrifugal action, and fan blade 16 rotates the angle changed between fan blade 16 and pole 15 around the first bearing pin 18, adjusts the public transport of fan blade 16, thus adjust output, prevent power excessive infringement electromotor 2.
The present invention mainly has the advantage that
(1) it is effectively improved the stability of wind wheel assembly, then reduces the cost of whole unit；
(2) connected mode of radial type pole 15, stable and reliable operation are used；
(3) anti-high wind ability is good, and noiselessness and manufacturing process are simple；
(4) Non-tailstock rotary system, it is easy to processing, the integrated cost of manufacture is low；
(5) lightweight, it is simple to install, and reduce cost of transportation；
(6) fan blade 16 and the linkage of pole 15, add the work wind speed range of wind wheel, be effectively improved wind energy utilization.
This also meets following standard:
1, the highest wind velocity being suitable for is 35m/s, and at extremely frigid zones, applicable highest wind velocity is 40m/s；
2, properly functioning temperature range is-20 DEG C～+50 DEG C, extremely frigid zones, and properly functioning temperature range is-25 DEG C～+45 DEG C；
3, the High aititude run is 4000m；
4, the highest relative humidity run is 95.
Embodiment
2
The main technical schemes of a kind of spademan variable pitch type vertical axis aerogenerator group of the present embodiment is substantially the same manner as Example 1, and in the present embodiment, spring assembly is compression spring 10.The feature not laid down a definition in the present embodiment, uses the explanation in embodiment 1, no longer repeats at this.
Embodiment
3
The main technical schemes of a kind of spademan variable pitch type vertical axis aerogenerator group of the present embodiment is substantially the same manner as Example 1, the feature not laid down a definition in the present embodiment, uses the explanation in embodiment 1, no longer repeats at this.In the present embodiment, the bearing 7 between revolution sleeve 6 and fixing post 5 is set to upper bearing (metal) 7 and lower bearing 7, and upper bearing (metal) 7 and lower bearing 7 are assembled on turning round between sleeve 6 and fixing post 5, and this structure can ensure that revolution sleeve 6 smooth rotation, and vibration is few.
Embodiment
4
The main technical schemes of a kind of spademan variable pitch type vertical axis aerogenerator group of the present embodiment is substantially the same manner as Example 1, it is with the difference of embodiment 1: spring link installations is made up of the first housing, stretching spring and the second housing, first housing is located at pole, one end of second housing is slidably arranged at the inside of the first housing, and stretching spring is arranged in the cavity of the first housing and the second housing composition.The feature not laid down a definition in the present embodiment, uses the explanation in embodiment 1, no longer repeats at this.
Embodiment
5
The main technical schemes of a kind of spademan variable pitch type vertical axis aerogenerator group of the present embodiment is substantially the same manner as Example 1, the number of fan blade unit is more than two, between adjacent fan blade unit, angle is equal, in the present embodiment, concrete, the number of fan blade unit is three groups, and between adjacent fan blade unit, angle is 120 °, and often pole 15 number of group fan blade unit is two.It should be noted that, fan blade unit is alternatively two groups, four groups and other group numbers, and often pole 15 number of group fan blade unit is also not necessarily limited to two, can arrange three, the numbers such as four according to actual needs.
The feature not laid down a definition in the present embodiment, uses the explanation in embodiment 1, no longer repeats at this.
Finally should be noted that; above example is merely to illustrate technical scheme rather than limiting the scope of the invention; although the present invention being explained in detail with reference to preferred embodiment; it will be understood by those within the art that; technical scheme can be modified or equivalent, without deviating from the spirit and scope of technical solution of the present invention.
Claims (10)
1. a spademan variable pitch type vertical axis aerogenerator group, including electromotor, wind wheel and pylon, it is characterised in that:
It is provided with drive system, described drive system includes fixing post, bearing, revolution sleeve and power transmission shaft, described electromotor is installed in described pylon, described pylon is provided with fixing post, described revolution sleeve can be rotationally mounted at described fixing post by bearing, described revolution sleeve is fixing with described power transmission shaft to be connected, described power transmission shaft and the rotating shaft drive connection of described electromotor, and described power transmission shaft is arranged at the inside of fixing post；
Described wind wheel is provided with at least two groups equally distributed fan blade unit, and often group fan blade unit includes the pole that fan blade, connecting rod and at least two are arranged in parallel, and one end of described pole is affixed with described connecting rod, and the other end of described pole is hinged with described fan blade；
Often organizing and be provided with articulated mounting and spring assembly between described fan blade unit and described revolution sleeve, can relative be rotated upwardly and downwardly with described revolution sleeve by fan blade unit described in described articulated mounting, described spring assembly is positioned at the lower section of described articulated mounting.
A kind of spademan variable pitch type vertical axis aerogenerator group the most according to claim 1, it is characterized in that: described articulated mounting is made up of hinged seat, the second bearing pin and articulated joint, described hinged seat is fixedly arranged on described revolution sleeve, described articulated joint is fixedly arranged on described connecting rod, described hinged seat and described articulated joint are by described second hinge, and described second bearing pin is positioned at the top of described fan blade center of gravity place horizontal plane.
A kind of spademan variable pitch type vertical axis aerogenerator group the most according to claim 1 and 2, it is characterised in that: described spring assembly is compression spring.
A kind of spademan variable pitch type vertical axis aerogenerator group the most according to claim 1 and 2, it is characterized in that: described pole is hinged by the first bearing pin and spring link installations with described fan blade near one end of fan blade, and described first bearing pin passes perpendicularly through upper surface and the lower surface of described pole.
A kind of spademan variable pitch type vertical axis aerogenerator group the most according to claim 4, it is characterized in that: described spring link installations includes articulated elements, the 3rd bearing pin, the 4th bearing pin and spring, described articulated elements is fixedly arranged on described pole, and described articulated elements passes through the 3rd hinge with one end of described spring, and it is positioned at the rear positions that described first bearing pin is hinged with described fan blade, the other end of described spring is hinged with described fan blade by the 4th bearing pin, and the 4th bearing pin is positioned at the rear positions of cross sectional centroid position of described fan blade.
A kind of spademan variable pitch type vertical axis aerogenerator group the most according to claim 4, it is characterized in that: described spring link installations is made up of the first housing, stretching spring and the second housing, described first housing hinge is in the described articulated elements of described pole, the scalable inner chamber being sheathed on described first housing of the one end of described second housing, described stretching spring is arranged in the cavity of described first housing and described second housing formation.
7. according to a kind of spademan variable pitch type vertical axis aerogenerator group described in claim 5 or 6, it is characterised in that: the length direction of described spring link installations is vertically arranged with described first bearing pin.
A kind of spademan variable pitch type vertical axis aerogenerator group the most according to claim 1 and 2, it is characterised in that: described power transmission shaft is connected by shaft coupling with the rotating shaft of described electromotor.
A kind of spademan variable pitch type vertical axis aerogenerator group the most according to claim 1 and 2, it is characterized in that: described bearing is set to upper bearing (metal) and lower bearing, described upper bearing (metal) and described lower bearing and is installed in respectively between described revolution sleeve and described fixing post.
A kind of spademan variable pitch type vertical axis aerogenerator group the most according to claim 1, it is characterized in that: described fan blade unit is set to two groups of symmetrical fan blade unit, or described fan blade unit is set to three groups or more than three groups equally distributed fan blade unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410029084.1A CN103807100B (en) | 2014-01-22 | 2014-01-22 | Wing variable pitch type vertical shaft wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410029084.1A CN103807100B (en) | 2014-01-22 | 2014-01-22 | Wing variable pitch type vertical shaft wind generating set |
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| CN103807100A CN103807100A (en) | 2014-05-21 |
| CN103807100B true CN103807100B (en) | 2017-01-11 |
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| CN201410029084.1A Active CN103807100B (en) | 2014-01-22 | 2014-01-22 | Wing variable pitch type vertical shaft wind generating set |
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Families Citing this family (8)
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| CN104775989B (en) * | 2015-03-06 | 2019-03-08 | 刘湘威 | A kind of semifloating shock reducing type vertical axis aerogenerator group |
| CN106505789A (en) * | 2016-12-20 | 2017-03-15 | 田曙光 | Electromotor lever and electromotor |
| CN109989885B (en) * | 2019-05-05 | 2024-01-26 | 西南交通大学 | Pitch adjusting device of vertical axis wind driven generator |
| CN110360058B (en) * | 2019-08-17 | 2020-06-30 | 温州乾含节能科技有限公司 | Tower frame of vertical axis wind turbine |
| CN112145342B (en) * | 2020-10-13 | 2022-11-08 | 福建凯威斯发电机有限公司 | Wind-gathering type vertical axis wind driven generator |
| CN113107775B (en) * | 2021-04-14 | 2022-06-14 | 四川川能智网实业有限公司 | New energy-based wind power generation device for two sides of expressway |
| CN113915062B (en) * | 2021-10-22 | 2023-03-07 | 常州优谷新能源科技股份有限公司 | Torque self-adjusting type anti-friction wind driven generator rotor assembly |
| ES2966308A1 (en) * | 2022-09-22 | 2024-04-19 | Revatlution S L | Vertical axis wind turbine (Machine-translation by Google Translate, not legally binding) |
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Effective date of registration: 20200330 Address after: 361000 308, 3rd floor, Kechuang building, 289 wengjiao Road, Xinyang Industrial Zone, Haicang District, Xiamen City, Fujian Province Patentee after: Xiamen Wind Energy Technology Co., Ltd Address before: Shenzhen City, Guangdong province Baoan District 518101 District 29 building 7 No. 302 Wen Hui Garden Patentee before: Liu Xiangwei |
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