CN205243716U - Pyatyi becomes oar wind power generation set - Google Patents
Pyatyi becomes oar wind power generation set Download PDFInfo
- Publication number
- CN205243716U CN205243716U CN201521033449.4U CN201521033449U CN205243716U CN 205243716 U CN205243716 U CN 205243716U CN 201521033449 U CN201521033449 U CN 201521033449U CN 205243716 U CN205243716 U CN 205243716U
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- China
- Prior art keywords
- blade
- level
- pyatyi
- wind
- power generation
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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
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model discloses a pyatyi becomes oar wind power generation set, include the support frame and fix the wind wheel on the support frame the wind wheel with be equipped with the generator between the support frame, the wind wheel includes wind wheel axle and fan blade support, the central part of fan blade support both sides passes through flange mounting and is in the both ends of wind wheel axle, the both sides of fan blade support form the installation face, 5 different diameters, such intervals, the concentric collar that sets up are drawn together to installation bread, and 5 collars connect into a whole through 10 main muscle, and 10 main muscle use the wind wheel axle to carry out the annular as the centre of a circle and arrange, fix on the flange, be equipped with first order blade, second level blade, third level blade and fourth stage blade respectively between the adjacent collar in fan blade support both sides, still include the pyatyi blade, the utility model discloses increase fan blade and rotor solidity, reduced the fan and started the wind speed, reduced wind field condition, divided the step change oar through the pyatyi, satisfied the paddle on different layers, the accent oar requirement down of different wind speed, the fan blade shortens, has reduced to make the transportation and install the degree of difficulty, has lightened the cost, realizes better wind power generation.
Description
Technical field
The utility model relates to a kind of Pyatyi variable-blade wind power generation device.
Background technology
Along with scientific and technological development and growth in the living standard, to the energy particularly eco-friendly power source demand more and moreGreatly, energy starved phenomenon is increasingly sharpened, and jointly solves in the urgent need to the whole society, and wind-power electricity generation is as oneThe regenerative resource of economic environmental protection has caused people's great attention, and wind power technology is varied at present, due toDifference in technology application, numerous items cost is high, deficiency in economic performance, wind-powered electricity generation enterprise does not rely on public subsidiesBe difficult to existence. And current three the most ripe blade screw pitch-control type wind power generators of application, from it structure and shouldUse and see and exist much not enough, wind wheel center is fixed in 1 three leaf machine one end, extend by single leaf, Shou Cai section andThe restriction of technology, continues the more large-scale fan blade difficulty of development large. It is larger that 2 blades extend an interval of more coming into leaves, phaseLow to wind energy utilization, the upper and lower tip speed of 3 blade is different, and windage is also different, owing to being single tune oar,Can not meet the fan blade requirement of oar of withering that do not exist together, it is poor that 4 gravity concentrate on axle centered inertial, and 5 blades are relatively less,Irregular gust influence is larger, 6 pairs of wind fields, and highway requires high, lifting difficulty. Each side cost is high, relativelyOf poor benefits.
Utility model content
The utility model overcomes the deficiency that prior art exists, and technical problem to be solved is for providing a kind of fiveLevel variable-blade wind power generation device, can solve deficiency of the prior art, and this device has increased fan blade, increasesRotor solidity, reduced fan starting wind speed, reduced wind field condition, become oar by Pyatyi classification, fullFoot blade is at different layers, the tune oar requirement under different wind speed, fan blade shortens, reduced manufacture transport install difficultDegree, has alleviated cost, realizes better wind-power electricity generation.
To achieve these goals, the utility model adopts following technical scheme:
Pyatyi variable-blade wind power generation device, comprises bracing frame and is fixed on the wind wheel on bracing frame, at described windBetween wheel and support frame as described above, be provided with generator, described generator and wind wheel are that same axis is installed, its featureBe: described wind wheel comprises rotor shaft and blade support, the central part of described blade support both sides passes through flangeBe arranged on the two ends of described rotor shaft, the both sides of described blade support form installed surface, and described installed surface comprises 5Individual different-diameter, the installing ring of uniformly-spaced arranging, arranging with one heart, 5 installing rings connect by 10 main muscleBecome an entirety, 10 main muscle carry out annular array taking rotor shaft as the center of circle, are fixed on flange; Described windBetween main muscle on the installed surface of leaf support both sides, be provided with between connecting rod, installing ring and be provided with crosspiece; At described windBetween the adjacent installing ring in leaf support both sides, be respectively equipped with first order blade, second level blade, third level blade andFourth stage blade, described first order blade, described second level blade, described third level blade and the described the 4thGrade blade is respectively every angle and is arranged on crosspiece; Also comprise level V blade, described level V blade is positioned atOutside installing ring on, be arranged on 2 connecting rods between main muscle; Described first order blade, describedTwo grade blades, described third level blade, described fourth stage blade, described level V blade are respectively with becoming oar electricityMachine.
The utility model is done further preferably, the quantity of described first order blade, described second level bladeThe number of the quantity of quantity, described third level blade, the quantity of described fourth stage blade, described level V bladeAmount is all 5, and for uniformly-spaced arranging.
The utility model is done further preferably, and described rotor shaft is provided with 3 road slip ring circuit, wherein roadsSlip ring circuit, for first order blade, second level blade are powered, also has a road slip ring circuit to the 3rdGrade blade, fourth stage blade are powered, and an other road slip ring circuit is powered to level V blade.
The utility model is done further preferably, and the bottom of support frame as described above is provided with chassis, on described chassisBottom is provided with the pulley of drive motors, also comprises the circular orbit matching with described pulley.
The utility model is done further preferably, and described circular orbit fixes on the ground.
The utility model is done further preferably, and described generator is arranged on bracing frame.
The utility model is done further preferably, and described wind wheel sees and is T-shaped from side-looking direction, and center of circle part is wide,Circumference is outer narrow.
The utility model is done further preferably, and the length of described level V blade is not shorter than blade support diameter1/4.
The utility model is done further preferably, the width of described first order blade, described second level bladeThe width of width, described third level blade, the width of described fourth stage blade, described level V blade looseDegree entirety is identical with blade support, becomes T-shaped shape.
The utility model is done further preferably to described first order blade, described second level blade, described theThree grade blades, described fourth stage blade and described level V blade are to meet aerodynamic winged petiole.
Compared with prior art, the utlity model has following beneficial effect:
Described wind wheel in the utility model comprises rotor shaft and blade support, in described blade support both sidesHeart portion is arranged on the two ends of described rotor shaft by flange, form so symmetrical installation, good stability. This realityWith novel, existing blade support has been carried out having changed, the both sides of described blade support form installed surface, described inThe installing ring that installed surface comprises 5 different-diameters, uniformly-spaced arranges, arranges with one heart, that is to say installing ringBe 5, not of uniform size, but when mounted for uniformly-spaced installing and arrange with one heart, in same level,Reinforce the connection installation by 10 main muscle, general main muscle is arranged on the side of installing ring, so 5Installing ring connects into an entirety by 10 main muscle, and 10 main muscle encircle as the center of circle taking rotor shaft simultaneouslyShape is arranged, and such object is in order to form a stable blade support; In order to improve the steady of whole wind wheelQualitative, between blade support, arrange, between the main muscle of blade support, be provided with connecting rod, by main muscleBetween carry out reinforcement by connection, also have between installing ring on blade support and be provided with crosspiece, by crosspiece to peaceBetween dress ring, reinforce; Can form thus the blade support of a good stability.
The utility model arranges fan blade on blade support, difference between the adjacent installing ring on blade supportBe provided with first order blade, second level blade, third level blade and fourth stage blade, on blade support, have 10Individual installing ring, the installing ring that is to say equivalent diameter is 5 groups, in adjacent installing ring group, the first order is setBlade, second level blade, third level blade and fourth stage blade, wherein said first order blade, describedTwo grade blades, described third level blade and described fourth stage blade are respectively every angle and are arranged on crosspiece, and this justBe to say, the installation site of second level blade is between 2 adjacent first order blades, in like manner, and third level bladeInstallation site be between 2 adjacent second level blades, the installation site of fourth stage blade is 2 adjacentBetween three grade blades, first order blade and third level blade are to install on same diameter, second level blade withFourth stage blade is installed on same diameter; The utility model also comprises level V blade, described level VBlade is positioned on outermost installing ring, is arranged on 2 connecting rods between main muscle these 2 masters simultaneouslyMuscle lays respectively on the both sides installed surface of wind wheel support, this level V blade and first order blade, the second levelBlade, third level blade, fourth stage blade are installed on non-rectilinear; The first order described in the utility modelBlade, described second level blade, described third level blade, described fourth stage blade, described level V bladeRespectively with pitch motor; The utility model carries out angle adjustment by pitch motor to blade, every like this one-levelBlade can be adjusted angle according to wind speed and wind speed round, reaches under different wind speed lift maximum, resistancePower minimum.
Blade in the utility model has 25, i.e. the quantity of described first order blade, described second level bladeQuantity, the quantity of described third level blade, the quantity of described fourth stage blade, described level V bladeQuantity is all 5; On the utility model wind wheel, have like this 25 fan blades, by the setting to pitch motor,Rotate in certain limit, such control fan blade is just rotating in certain angle, blowing when windTime, fan blade will turn to and be applicable to best Windward angle.
The utility model has increased fan blade frame, has suitably increased fan blade simultaneously and has improved rotor solidity, than generalThree leaf machines have increased by 40% and have reduced startup wind speed and rated wind speed, and fan blade frame shortens fan blade simultaneously, fan bladeStrength increase, wind resistance power improves, and uses wind speed range to broaden. Improve wind energy utilization.
It is to utilize the change oar fan blade that Pyatyi is different to adjust different wind speed, difference that the utility model Pyatyi becomes oarThe angle of fan blade at the same level not under tip speed ratio, reduces the windage of fan blade in the time of high-speed cruising, has reduced windage,Improve wind speed round. Improve blower fan benefit. And at present operating three leaf machines in order to improve wind speed round,Overcome the windage of fan blade in the time of high-speed cruising, fan blade top is done sharply and narrow. The utility model arranges 5 gradesBlade, each grade blade can be adjusted angle according to wind speed and wind speed round, reaches under different wind speed,Lift maximum, resistance minimum, this point is that three leaf machines are not accomplished. For example, rotor diameter is 70 metersThree leaf machines, under fresh gale speed, if wind speed round is 20 revs/min, now tip speed is 70 meter per seconds,Be, 20 meters away from wind wheel center fan blade speed also have 40 meter per seconds, and the windage from wind wheel center to blade tip fan blade thenGradual change is large, more approaches blade tip place windage larger. Three leaf machine running principles need to increase fan blade vane angle while being startup,To increase the wind area of fan blade, obtain maximum tripping force, when startup, fan blade is synchronous up and down, after startingIt will obtain maximum lift, makes wind speed round the fastest, and maximum lift is in vane angle 12 degree left and right, nowThe area maximum of being obstructed of the fan blade direction of motion for high-speed motion fan blade, windage is also maximum, and blade is upper and lowerJust asynchronous, this is conflict, and three leaf machines are to sacrifice blade top area to reduce windage, so itMore up do more sharp narrowlyer. And this novel practical has well solved this problem.
The utility model than many fan blade frames, has increased certain windage with three leaf machines, but has increased windWheel carrier makes whole wind wheel out-shift of gravity center, and the inertia of wind wheel has increased, and under the effect of inertia, the running of wind wheel moreFor steadily. 25 fan blades are arranged on different angles and different intervals, distribute more reasonable, and fitful wind and survey wind pairThe impact of wind wheel reduces, and this is also that three leaf machines can not be accomplished.
The utility model reduces to minimum turbine effect, normal conditions, and wind wheel blade is more, speed between leafThan lower, and affect speed ratio between leaf except blade profile, also have a turbine effect. And the utility model wind wheel bladeAlthough more than three leaf machines, different with other leafy machine, what the utility model adopted meets power principleLift-type winged petiole. Because blade shortens, mal-distribution is at different directions and different intervals, turbine againEffects is relatively little.
The utility model has significantly reduced manufacture, transport, and installation cost, reduces the requirement of highway, dimensionProtect and keep in repair more convenient, the utility model wind energy utilization is high in addition, wind field wind speed is required low, wind field ruleMould size is little on the impact of cost, and investment pressure is relatively light. It is bad that the utility model is more suitable for Highway ConditionsMountain area.
As from the foregoing, the utility model can solve deficiency of the prior art, and this device has increased fan blade,Increase rotor solidity, reduced fan starting wind speed, reduced wind field condition, become oar by Pyatyi classification,Meet blade at different layers, the tune oar requirement under different wind speed, fan blade shortens, and has reduced and has manufactured transport installationDifficulty, has alleviated cost, realizes better wind-power electricity generation.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model wind wheel.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is done further concreteExplanation.
As depicted in figs. 1 and 2, the utility model has related to a kind of Pyatyi variable-blade wind power generation device, comprisesBracing frame 1 and be fixed on the wind wheel 2 on bracing frame 1 is provided with between described wind wheel 2 and support frame as described above 1Generator 3, described generator 3 is that same axis is installed with wind wheel 2, it is characterized in that: described wind wheel 2 wrapsDraw together rotor shaft 4 and blade support 5, described in the centre, both sides of described blade support 5 is arranged on by flangeThe two ends of rotor shaft 4, form symmetrical installation, good stability like this. The utility model props up existing fan bladeFrame 5 has carried out having changed, and the both sides of described blade support 5 form respectively installed surface, and this installed surface comprises 5Different-diameter, the installing ring 6 of uniformly-spaced arranging, arranging with one heart, that is to say that installing ring 6 is 5, sizeDiffer, but when mounted for uniformly-spaced installing and arrange with one heart, in same level, by 10 main muscle7 reinforce the connection installation, and general main muscle 7 is arranged on the side of installing ring 6, so 5 installing rings 6Connect into an entirety by 10 main muscle 7,10 main muscle 7 encircle as the center of circle taking rotor shaft 4 simultaneouslyShape is arranged, and such object is in order to form a stable blade support 5; In order to improve whole wind wheel 2Stability arranges between 2 blade supports 5, on blade support 5 left and right sides installed surfacesMain muscle 7 between be provided with connecting rod 8, will between main muscle 7, carry out reinforcement by connection, also have on blade support 5Between the installing ring 6 of left and right sides installed surface, be provided with crosspiece 9, by crosspiece 9 to entering between installing ring 6Row is reinforced; Can form thus the blade support 5 of a good stability.
The utility model arranges fan blade on blade support 5, adjacent installing ring on blade support 56 itBetween be respectively equipped with first order blade 10, second level blade 11, third level blade 12 and fourth stage blade 13,On blade support 5, have 10 installing rings 6, that is to say that the installing ring 6 of equivalent diameter is 5 groups, in phaseAdjacent installing ring group arranges first order blade 10, second level blade 11, third level blade 12 and fourth stage leafSheet 13, wherein said first order blade 10, described second level blade 11, described third level blade 12 and instituteState 13, fourth stage leaf and be respectively every angle and be arranged on crosspiece, in other words, the installation of second level blade 11Position is between 2 adjacent first order blades 10, and in like manner, the installation site of third level blade 12 is 2Between adjacent second level blade 11, the installation site of fourth stage blade 13 is 2 adjacent third level blades 13Between, first order blade 10 is installed on same diameter with third level blade 12, second level blade 11 withFourth stage blade 13 is installed on same diameter; The utility model also comprises level V blade 14, describedPyatyi blade 14 is positioned on outermost installing ring 6, is arranged on 2 connecting rods 8 between main muscle 7 simultaneouslyUpper, this level V blade 14 and first order blade 10, second level blade 11, third level blade 12, theLevel Four blade 13 is installed on non-rectilinear; The blade of the first order described in the utility model 10, the described second levelBlade 11, described third level blade 12, described fourth stage blade 13, described level V blade 14 respectively withPitch motor; The utility model carries out angle adjustment by pitch motor to blade, and each grade blade all like thisCan adjust angle according to wind speed and wind speed round, reach under different wind speed lift maximum, resistance minimum.
The quantity of the quantity of the blade of the first order described in the utility model 10, described second level blade 11, instituteState the quantity of the quantity of third level blade 12, described fourth stage blade 13, the number of described level V blade 14Amount is all 5, and for uniformly-spaced arranging, described rotor shaft 4 is provided with 3 road slip ring circuit, wherein roadsSlip ring circuit, for first order blade 10, second level blade 11 are powered, also has a road slip ring circuit pairThird level blade 12, fourth stage blade 13, an other road slip ring circuit is powered to level V blade 14,The bottom of support frame as described above 1 is provided with chassis 16, is provided with the cunning of drive motors in the bottom on described chassis 16Wheel 17, also comprises the circular orbit 18 matching with described pulley 17, and described circular orbit 18 fixes on the ground,The utility model drives pulley 17 by drive motors like this, and pulley 17 carries out on circular orbit 18Corresponding rotation, forms one to wind system, in the time that wind comes, by drive motors band movable pulley 17Carry out angle adjustment at circular orbit 18, form best Windward angle. Generator 3 described in the utility modelBe arranged on bracing frame 1.
Wind wheel 2 described in the utility model sees and is T-shaped from side-looking direction, and center of circle part is wide, and circumference is outer narrow,The length of described level V blade 14 is not shorter than 1/4 of blade support 5 diameters, described first order blade 10The width of width, described second level blade 11, the width of described third level blade 12, described fourth stage leafThe width of sheet 13, the width entirety of described level V blade 14 are identical with blade support 5, become T-shaped shape.The blade of the first order described in the utility model 10, described second level blade 11, described third level blade 12, instituteState fourth stage blade 13 and described level V blade 14 is to meet aerodynamic winged petiole.
Above-described embodiment is just to allow for technical conceive of the present utility model and feature being described, its objective isOne of ordinary skilled in the art can understand content of the present utility model and implement according to this, can not be with thisLimit protection domain of the present utility model. Every done according to the essence of the utility model content equivalentChange or modify, all should be encompassed in protection domain of the present utility model.
Claims (10)
1. Pyatyi variable-blade wind power generation device, comprises bracing frame and is fixed on the wind wheel on bracing frame, at described wind wheelAnd between support frame as described above, be provided with generator, described generator and wind wheel are that same axis is installed, its featureBe: described wind wheel comprises rotor shaft and blade support, the central part of described blade support both sides passes through methodOrchid is arranged on the two ends of described rotor shaft, and the both sides of described blade support form installed surface, described installed surfaceThe installing ring that comprises 5 different-diameters, uniformly-spaced arranges, arranges with one heart, 5 installing rings are by 10 mastersMuscle connects into an entirety, and 10 main muscle carry out annular array taking rotor shaft as the center of circle, are fixed on flange;Between main muscle on the installed surface of described blade support both sides, be provided with between connecting rod, installing ring and be provided with crosspiece;Between the adjacent installing ring in described blade support both sides, be respectively equipped with first order blade, second level blade,Three grade blades and fourth stage blade, described first order blade, described second level blade, described third level leafSheet and described fourth stage blade are respectively every angle and are arranged on crosspiece; Also comprise level V blade, describedPyatyi blade on outermost installing ring, be arranged on 2 connecting rods between main muscle; Described firstGrade blade, described second level blade, described third level blade, described fourth stage blade, described level VBlade is respectively with pitch motor.
2. Pyatyi variable-blade wind power generation device according to claim 1, is characterized in that: described first order bladeThe quantity of quantity, described second level blade, the quantity of described third level blade, described fourth stage bladeThe quantity of quantity, described level V blade is all 5, and for uniformly-spaced arranging.
3. Pyatyi variable-blade wind power generation device according to claim 1, is characterized in that: described rotor shaft is provided with3 road slip ring circuit, wherein a road slip ring circuit is used for first order blade, second level blade to power,Also have a road slip ring circuit to power to third level blade, fourth stage blade, an other road slip ring circuitLevel V blade is powered.
4. Pyatyi variable-blade wind power generation device according to claim 1, is characterized in that: the bottom of support frame as described aboveBe provided with chassis, be provided with the pulley of drive motors in the bottom on described chassis, also comprise and described pulleyThe circular orbit matching.
5. Pyatyi variable-blade wind power generation device according to claim 4, is characterized in that: described circular orbit is fixed onOn ground.
6. Pyatyi variable-blade wind power generation device according to claim 1, is characterized in that: described generator is arranged onOn bracing frame.
7. Pyatyi variable-blade wind power generation device according to claim 1, is characterized in that: described wind wheel is from side-looking sideBe T-shaped to seeing, center of circle part is wide, and circumference is outer narrow.
8. Pyatyi variable-blade wind power generation device according to claim 1, is characterized in that: described level V bladeLength is not shorter than 1/4 of blade support diameter.
9. Pyatyi variable-blade wind power generation device according to claim 1, is characterized in that: described first order bladeThe width of width, described second level blade, the width of described third level blade, described fourth stage bladeThe width entirety of width, described level V blade is identical with blade support, becomes T-shaped shape.
10. Pyatyi variable-blade wind power generation device according to claim 1, is characterized in that: described first order blade,Described second level blade, described third level blade, described fourth stage blade and described level V blade are symbolsClose aerodynamic winged petiole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033449.4U CN205243716U (en) | 2015-12-04 | 2015-12-04 | Pyatyi becomes oar wind power generation set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033449.4U CN205243716U (en) | 2015-12-04 | 2015-12-04 | Pyatyi becomes oar wind power generation set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205243716U true CN205243716U (en) | 2016-05-18 |
Family
ID=55942800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521033449.4U Withdrawn - After Issue CN205243716U (en) | 2015-12-04 | 2015-12-04 | Pyatyi becomes oar wind power generation set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205243716U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402082A (en) * | 2015-12-04 | 2016-03-16 | 林园林 | Five-level variable-pitch wind power generation device |
| CN106014856A (en) * | 2016-07-25 | 2016-10-12 | 张占兵 | Efficient wind wheel device |
| WO2023045180A1 (en) * | 2021-09-27 | 2023-03-30 | 广东金风科技有限公司 | Variable-pitch seawave power generation device and variable-pitch seawave power generation method |
-
2015
- 2015-12-04 CN CN201521033449.4U patent/CN205243716U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402082A (en) * | 2015-12-04 | 2016-03-16 | 林园林 | Five-level variable-pitch wind power generation device |
| CN105402082B (en) * | 2015-12-04 | 2018-02-27 | 林园林 | Pyatyi variable-blade wind power generation device |
| CN106014856A (en) * | 2016-07-25 | 2016-10-12 | 张占兵 | Efficient wind wheel device |
| CN106014856B (en) * | 2016-07-25 | 2018-12-18 | 张占兵 | A kind of efficient wind wheel apparatus |
| WO2023045180A1 (en) * | 2021-09-27 | 2023-03-30 | 广东金风科技有限公司 | Variable-pitch seawave power generation device and variable-pitch seawave power generation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160518 Effective date of abandoning: 20180227 |
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| AV01 | Patent right actively abandoned |