CN108953054A - Wind power generation blade component and wind power generation plant - Google Patents
Wind power generation blade component and wind power generation plant Download PDFInfo
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- CN108953054A CN108953054A CN201810945414.XA CN201810945414A CN108953054A CN 108953054 A CN108953054 A CN 108953054A CN 201810945414 A CN201810945414 A CN 201810945414A CN 108953054 A CN108953054 A CN 108953054A
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- contour line
- wind power
- locating part
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- 238000010248 power generation Methods 0.000 title claims abstract description 45
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000008901 benefit Effects 0.000 description 9
- 230000005611 electricity Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/06—Rotors
- F03D3/062—Rotors characterised by their construction elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/06—Rotors
- F03D3/062—Rotors characterised by their construction elements
- F03D3/064—Fixing wind engaging parts to rest of rotor
-
- 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
- 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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of wind power generation blade component and wind power generation plants, it is related to technical field of wind power generation, including the first blade assembly, shaft, it is rotated the second blade assembly of connection with the first blade assembly by shaft, the cross section contour of first blade assembly includes the first contour line and third contour line inside the second contour line and arc core direction the first blade assembly of direction outside the first blade assembly of direction of arc core direction, second blade assembly includes the second blade and the gag lever post that is fixed on the first blade assembly, second blade rotates with shaft to be connect, and second is provided at least one through-hole on blade, the free end of gag lever post passes through through-hole, and it is provided with the first locating part and the second locating part, first locating part and the second locating part are located at the two sides of the second blade, second blade is in the first locating part, second locating part and It is rotated in the fan-shaped region that shaft is formed, alleviates the technical problem that upwind resistance causes greatly wind energy utilization small in the prior art.
Description
Technical field
The present invention relates to technical field of wind power generation, and in particular to a kind of wind power generation blade component and wind-power electricity generation dress
It sets.
Background technique
With continuous mature and cost of electricity-generating the continuous reduction of wind generating technology, wind-power electricity generation has become mankind's consumption
One of main source in electric energy.Wind-power electricity generation, which relies primarily on wind power generating set and works under wind action, to be produced electricl energy.Wind
Power power generation is the renewable energy of current both economical and easy to accomplish large-scale commercial, and belongs to green clean energy resource.Benefit
It so that wind energy natural resources abundant is brought benefit to the mankind with wind-power electricity generation, but also can reduce to fossil fuel such as coal, petroleum
Consumption, can alleviate the pressure of energy shortages, furthermore it is also possible to reduce travel fatigue, acid rain brought by thermal power generation and greenhouse effect
Environmental pollutions and the influence to weather should be waited, is conducive to protect environment for human survival.
Wind-driven generator in the prior art, blade are not influenced by wind direction, can 360 degree of absorption wind energies, can gentle breeze open
The advantages that dynamic, effective wind speed is low, and mounting condition limitation is few, and structure is simple, and initial stage installation cost is cheap, it is medium and small to developing and promoting
Type wind power generation plant has positive effect.But natural wind can only generate motive force to the 50% of blade, and in addition to blade
50% generates resistance, therefore drastically influences the effective rate of utilization of wind energy, so the wind energy of wind power generation plant in the prior art
Utilization rate is lower.
Therefore it provides a kind of can reduce the resistance that natural wind generates blade when contrary wind rotates to improve wind-power electricity generation
Device becomes those skilled in the art's important technological problems to be solved.
Summary of the invention
The purpose of the present invention is to provide a kind of wind power generation blade components, rotate in the prior art in contrary wind to alleviate
When natural wind resistance that blade the is generated problem that causes generating efficiency low.
To achieve the above object, a kind of wind power generation blade component provided by the invention, including the first blade assembly, turn
Axis is rotated the second blade assembly of connection with first blade assembly by the shaft；
The cross section contour of first blade assembly includes sequentially connected first contour line, the second contour line and third
Contour line；
The arc core direction of the first contour line is towards the inside of first blade assembly；
The arc core direction of second contour line is towards the outside of first blade assembly；
The arc core direction of the third contour line is towards the inside of first blade assembly；
The shaft is set to the company of the first contour line and second contour line on first blade assembly
Meet place；
Second blade assembly includes the second blade and the gag lever post that is fixed on first blade assembly；
Second blade rotates with the shaft to be connect, and is provided at least one through-hole on second blade；
The free end of the gag lever post passes through the through-hole, and is provided with the first locating part and the second locating part；
First locating part and second locating part are located at the two sides of second blade；
The sector formed between first blade assembly when second blade is against on first locating part is empty
Between it is maximum；
The sector formed between first blade assembly when second blade is against on second locating part is empty
Between it is minimum.
Further, first locating part and second locating part are set towards the fixation of the side of second blade
There is buffer unit.
Further, first blade assembly includes the first blade and at least one layer that is wrapped on first blade
Base.
Further, the first contour line is crossed with second contour line and equal slip over of third contour line respectively
Connection.
Further, heating sheet is provided between the base and first blade.
Further, first blade interior is provided at least one reinforcing rib.
Further, lightning-arrest part is provided on first blade and second blade.
The invention has the benefit that
The device includes the first blade assembly, shaft, is rotated the second leaf of connection by shaft with the first blade assembly
Piece component, the cross section contour of the first blade assembly include arc core direction towards outside the first blade assembly the second contour line and
Towards the first contour line and third contour line inside the first blade assembly, the second blade assembly includes the second blade in arc core direction
With the gag lever post being fixed on the first blade assembly, the second blade rotates with shaft to be connect, and be provided on the second blade to
The free end of a few through-hole, gag lever post passes through through-hole, and is provided with the first locating part and the second locating part, the first locating part and
Second locating part is located at the two sides of the second blade, the sector that the second blade is formed in the first locating part, the second locating part and shaft
It is rotated in region, alleviates the technical problem that upwind resistance causes greatly wind energy utilization small in the prior art.
When wind-force is after first contour line and third contour line are separated, one air-flow flows through first along third contour line
Blade, another strand of air-flow flow to the second contour line along first contour line, due to the arc core direction direction first of the second contour line
The outside of blade assembly, air-flow can occur significantly to slow down when flowing through, and the wind pressure of the second contour line side is made to be less than third round
The wind pressure of profile side.
When air-flow is blown from the position that the first contour line and third contour line of the first blade assembly are in contact, first profile
Line and third contour line are stress surface, blow the second blade along gag lever post by the air-flow that first contour line flows to the second contour line
It turns to and is against on the second locating part, air-flow is flowed through from the second blade away from the side of the second locating part, and the second blade is in air-flow
Under the action of fold the second blade to the first blade assembly, the angle of sector space becomes smaller, and the second blade is made to be right against wind direction
Projected area become smaller, reduce the loss of righteous style and practice region wind energy, when air-flow is blown from opposite direction, the second blade is in air-flow
Lower separate first blade assembly of effect makes the inverse right of the combination of the first blade assembly and the second blade to being against on the first locating part
Become larger in the projected area of wind direction, increase the utilization rate of wind energy, reduces the loss of contrary wind region wind energy, the two combines, whole
Body significantly improves the utilization rate of wind energy.
The present invention also provides a kind of wind power generation plant, including the wind power generation blade component in above-mentioned technical proposal,
It further include gear frame；
Several wind power generation blade components are fixed on the gear frame.
The technical advantage phase of the technical advantage of wind power generation plant provided by the invention and above-mentioned wind power generation blade component
Together, details are not described herein again.
Detailed description of the invention
Fig. 1 is the schematic perspective view for the wind power generation blade component that the embodiment of the present invention 1 provides；
Fig. 2 is the main view of wind power generation blade component shown in FIG. 1；
Fig. 3 is against schematic diagram when the first locating part for the second blade of wind power generation blade component shown in FIG. 1；
Fig. 4 is against schematic diagram when the second locating part for the second blade of wind power generation blade component shown in FIG. 1；
Fig. 5 is the first blade of wind power generation blade component shown in FIG. 1 and the top view of base；
Fig. 6 is a kind of mounting means schematic diagram for the wind power generation plant that the embodiment of the present invention 2 provides；
Fig. 7 is another mounting means schematic diagram for the wind power generation plant that the embodiment of the present invention 2 provides.
Icon: the first blade assembly of 1-；2- shaft；The second blade assembly of 3-；4- gear frame；11- first contour line；12-
Second contour line；13- third contour line；The first blade of 14-；15- base；The second blade of 31-；32- gag lever post；33- first is limited
Position part；The second locating part of 34-.
Specific embodiment
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
As shown in Figures 1 to 5, a kind of wind power generation blade component that the embodiment of the present invention 1 provides, including the first blade group
Part 1, shaft 2 are rotated the second blade assembly 3 of connection with the first blade assembly 1 by shaft 2；
The cross section contour of first blade assembly 1 includes sequentially connected first contour line 11, the second contour line 12 and
Three contour lines 13；
The inside of arc core direction the first blade assembly 1 of direction of first contour line 11；
The outside of arc core direction the first blade assembly 1 of direction of second contour line 12；
The inside of arc core direction the first blade assembly 1 of direction of third contour line 13；
Shaft 2 is set to the junction of first contour line 11 and the second contour line 12 on the first blade assembly 1；
The gag lever post 32 that second blade assembly 3 blade 31 and be fixed on the first blade assembly 1 including second；
Second blade 31 rotates with shaft 2 to be connect, and is provided at least one through-hole on the second blade 31；
The free end of gag lever post 32 passes through through-hole, and is provided with the first locating part 33 and the second locating part 34；
First locating part 33 and the second locating part 34 are located at the two sides of the second blade 31；
The sector space formed between the first blade assembly 1 when second blade 31 is against on the first locating part 33 is maximum；
The sector space formed between the first blade assembly 1 when second blade 31 is against on the second locating part 34 is minimum.
The device includes the first blade assembly 1, shaft 2, with the first blade assembly 1 rotates the of connection by shaft 2
Two blade assemblies 3, the cross section contour of the first blade assembly 1 include second outside the first blade assembly 1 of direction of arc core direction
First contour line 11 and third contour line 13 inside contour line 12 and arc core direction the first blade assembly 1 of direction, the second blade
The gag lever post 32 that component 3 blade 31 and be fixed on the first blade assembly 1 including second, the second blade 31 rotate with shaft 2
Connection, and at least one through-hole is provided on the second blade 31, the free end of gag lever post 32 passes through through-hole, and is provided with the first limit
Position part 33 and the second locating part 34, the first locating part 33 and the second locating part 34 are located at the two sides of the second blade 31, the second blade
31 rotate in the fan-shaped region that the first locating part 33, the second locating part 34 and shaft 2 are formed, and alleviate in the prior art against the wind
The technical problem for causing wind energy utilization small greatly to resistance.
When wind-force is after first contour line 11 and third contour line 13 are separated, one air-flow is flowed along third contour line 13
The first blade 14 is crossed, another strand of air-flow flows to the second contour line 12 along first contour line 11, due to the arc of the second contour line 12
Heart direction can occur significantly to slow down when flowing through towards the outside of the first blade assembly 1, air-flow, make 12 side of the second contour line
Wind pressure be less than 13 side of third contour line wind pressure.
When air-flow is blown from the position that the first contour line 11 and third contour line 13 of the first blade assembly 1 are in contact,
One contour line 11 is stress surface with third contour line 13, blows the by the air-flow that first contour line 11 flows to the second contour line 12
Two blades 31 are turned to along gag lever post 32 to be against on the second locating part 34, and air-flow is from the second blade 31 away from the second locating part 34
Side is flowed through, and the second blade 31 folds the second blade 31 to the first blade assembly 1, the angle of sector space
Degree becomes smaller, and the projected area for making the second blade 31 be right against wind direction becomes smaller, and reduces the loss of righteous style and practice region wind energy, when air-flow from
When opposite direction is blown, the second blade 31 separate first blade assembly 1 under the action of air-flow makes to being against on the first locating part 33
The inverse of the combination of first blade assembly 1 and the second blade 31 becomes larger for the projected area of wind direction, increases the utilization rate of wind energy,
The loss of contrary wind region wind energy is reduced, the two combines, and integrally significantly improves the utilization rate of wind energy.
Meanwhile the second locating part 34 is set and is bonded to each other to avoid the second blade 31 and the first blade 14 and is difficult to be unfolded,
Enable the structure that can also preferably utilize wind energy in gentle breeze, it is adaptable.
Wind power generation blade component provided by the invention also has structure simple, and installation maintenance is easy, mounting condition limitation
Less, the advantages that installation initial stage is low in cost has positive effect to Wind turbines are greatly developed.
Please continue to refer to Fig. 1 to Fig. 4, wherein the first locating part 33 and the second locating part 34 are towards the one of the second blade 31
Side is fixed with buffer unit.
Further, the axial cross section product of buffer unit is greater than the cross-sectional area of through-hole.
Further, to be detachably connected between the first locating part 33 and the second locating part 34 and gag lever post 32, and can
It is fixed on the different location of gag lever post 32.
In this embodiment, when air-flow forward direction is blown, the second blade 31 2 is rotated to the first blade around the shaft by air-flow
14 fitting be against on the second locating part 34, when air-flow is reversely blown, the second blade 31 by air-flow around the shaft 2 to deviate from first
The rotation of 14 direction of blade is against on the first locating part 33, and the continuous change of airflow direction can make the second blade 31 frequently with first
Locating part 33 and the second locating part 34 collide, in order to mitigate because of collision bring damage, in the first locating part 33 and second
The side of locating part 34 towards the second blade 31 is provided with buffer unit, and the materials such as rubber, spring can be used, and absorbs collision belt
Impact force, increase the second blade 31 service life.
Please continue to refer to Fig. 5, wherein the first blade assembly 1 includes the first blade 14 and is wrapped on the first blade 14
At least one layer of base 15.
In this embodiment, base 15 can be set as different types of material to reach different performances, it is preferred that the device
When being set to cold area or meeting with cold air, which will appear icing, increase the weight of blade, and then influence wind-force hair
The efficiency of electricity, sets heating sheet for base 15, heating sheet is controlled to a power supply, and the outside of the first blade 14 is provided with sensing
Signal is passed to power supply by controller by the temperature that sensor monitoring is extraneous by device, and power supply is that heating sheet energizes, to the
One blade 14 carries out equalized temperature or defrosting deicing, guarantees the normal operation of wind-power electricity generation.
Please continue to refer to Fig. 3 to Fig. 5, wherein first contour line 11 respectively with the second contour line 12 and third contour line 13
Mutually it is connected smoothly.
In this embodiment, it is connected smoothly and guarantees the unobstructed smooth of air-flow, reduce air-flow in junction and generate friction,
Make air-flow quickly through promotion the first blade 14 rotation.
Wherein, the first blade 14 is internally provided at least one reinforcing rib.
In this embodiment, in order to make blade more lightweight, the first blade 14 uses hollow structure, while in order to balance
High intensity is internally provided at least one reinforcing rib in the first blade 14.
Wherein, lightning-arrest part is provided on the first blade 14 and the second blade 31.
In this embodiment, wind power generation plant is installed on mostly at spacious open country, and height is higher, non-in thunderstorm weather
It often is subject to be struck by lightning, but due to the first blade 14 and the second blade 31 itself and does not have the intensity for resisting thunder and lightning,
It is provided with lightning-arrest part on the first blade 14 and the second blade 31, by electric shock guiding the earth.
Embodiment 2
As shown in Figure 6 and Figure 7, the embodiment of the present invention 2 provides a kind of wind power generation plant, including embodiment 1 is provided
Wind power generation blade component, further include gear frame 4；
Several wind power generation blade components are fixed on gear frame 4.
The technical advantage phase of the technical advantage of wind power generation plant provided by the invention and above-mentioned wind power generation blade component
Together, details are not described herein again.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (8)
1. a kind of wind power generation blade component, which is characterized in that including the first blade assembly, shaft and first blade group
Part is rotated the second blade assembly of connection by the shaft；
The cross section contour of first blade assembly includes sequentially connected first contour line, the second contour line and third profile
Line；
The arc core direction of the first contour line is towards the inside of first blade assembly；
The arc core direction of second contour line is towards the outside of first blade assembly；
The arc core direction of the third contour line is towards the inside of first blade assembly；
The shaft is set to the junction of the first contour line and second contour line on first blade assembly；
Second blade assembly includes the second blade and the gag lever post that is fixed on first blade assembly；
Second blade rotates with the shaft to be connect, and is provided at least one through-hole on second blade；
The free end of the gag lever post passes through the through-hole, and is provided with the first locating part and the second locating part；
First locating part and second locating part are located at the two sides of second blade；
The sector space formed between first blade assembly when second blade is against on first locating part is most
Greatly；
The sector space formed between first blade assembly when second blade is against on second locating part is most
It is small.
2. wind power generation blade component according to claim 1, which is characterized in that first locating part and described second
The side of locating part towards second blade is fixed with buffer unit.
3. wind power generation blade component according to claim 2, which is characterized in that first blade assembly includes first
Blade and at least one layer of base being wrapped on first blade.
4. wind power generation blade component according to claim 3, which is characterized in that the first contour line respectively with it is described
Slip over equal with the third contour line of second contour line crosses connection.
5. wind power generation blade component according to claim 3, which is characterized in that the base and first blade it
Between be provided with heating sheet.
6. wind power generation blade component according to claim 3, which is characterized in that first blade interior be provided with to
A few reinforcing rib.
7. wind power generation blade component according to claim 3, which is characterized in that first blade and second leaf
On piece is provided with lightning-arrest part.
8. a kind of wind power generation plant, which is characterized in that including the described in any item wind power generation blade groups of claim 1-7
Part further includes gear frame；
Several wind power generation blade components are fixed on the gear frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810945414.XA CN108953054A (en) | 2018-08-20 | 2018-08-20 | Wind power generation blade component and wind power generation plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810945414.XA CN108953054A (en) | 2018-08-20 | 2018-08-20 | Wind power generation blade component and wind power generation plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108953054A true CN108953054A (en) | 2018-12-07 |
Family
ID=64469883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810945414.XA Pending CN108953054A (en) | 2018-08-20 | 2018-08-20 | Wind power generation blade component and wind power generation plant |
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| Country | Link |
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| CN (1) | CN108953054A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137330A (en) * | 2021-05-08 | 2021-07-20 | 中国华能集团清洁能源技术研究院有限公司 | Wind turbine blade with deicing function |
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| US20110020128A1 (en) * | 2008-04-02 | 2011-01-27 | Lm Glasfiber A/S | wind turbine blade with an auxiliary airfoil |
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| US20120141287A1 (en) * | 2011-08-29 | 2012-06-07 | General Electric Company | Wind turbine rotor blade joint |
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