WO2012030125A8 - Blade for wind power generator - Google Patents
Blade for wind power generator Download PDFInfo
- Publication number
- WO2012030125A8 WO2012030125A8 PCT/KR2011/006368 KR2011006368W WO2012030125A8 WO 2012030125 A8 WO2012030125 A8 WO 2012030125A8 KR 2011006368 W KR2011006368 W KR 2011006368W WO 2012030125 A8 WO2012030125 A8 WO 2012030125A8
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- blade
- wind
- power generator
- wind power
- body part
- Prior art date
Links
- 230000003247 decreasing effect Effects 0.000 abstract 2
- 238000010248 power generation Methods 0.000 abstract 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
-
- 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
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/022—Adjusting aerodynamic properties of the blades
- F03D7/0224—Adjusting blade pitch
-
- 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
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/022—Adjusting aerodynamic properties of the blades
- F03D7/0236—Adjusting aerodynamic properties of the blades by changing the active surface of the wind engaging parts, e.g. reefing or furling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05B2240/31—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05B2240/31—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape
- F05B2240/313—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape with adjustable flow intercepting area
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/328—Blade pitch angle
-
- 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
Landscapes
- 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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Wind Motors (AREA)
Abstract
The present invention relates to a blade for a wind power generator, and more particularly, to a blade for a wind power generator which can generate power even from weak winds as the blade is decreased or increased in length according to wind intensity and can continuously maintain a state of maximum power generation in strong winds. The blade for a wind power generator including a plurality of blades rotated by the wind includes: a body part coupled to the rotation shaft of the wind power generator; a wing part movably coupled to the body part such that the wind part is variable in length according to intensity of the wind; and an elastic part disposed between the body part and the wing part to provide elasticity in the direction in which the wing part is decreased in length.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011800026684A CN102575651A (en) | 2010-08-30 | 2011-08-29 | Blade for wind power generator |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2010-0084326 | 2010-08-30 | ||
KR1020100084326A KR101058339B1 (en) | 2010-08-30 | 2010-08-30 | Blade for wind power generator |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2012030125A2 WO2012030125A2 (en) | 2012-03-08 |
WO2012030125A3 WO2012030125A3 (en) | 2012-04-26 |
WO2012030125A8 true WO2012030125A8 (en) | 2012-06-07 |
Family
ID=44933565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2011/006368 WO2012030125A2 (en) | 2010-08-30 | 2011-08-29 | Blade for wind power generator |
Country Status (3)
Country | Link |
---|---|
KR (1) | KR101058339B1 (en) |
CN (1) | CN102575651A (en) |
WO (1) | WO2012030125A2 (en) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5671959U (en) | 1979-11-07 | 1981-06-13 | ||
FR2555125B1 (en) | 1983-11-23 | 1988-01-22 | Joulia Pierre | DEVICE FOR AUTOMATIC STEP REGULATION OF A PROPELLER |
CN2356941Y (en) * | 1999-01-06 | 2000-01-05 | 张丹彤 | Changeable length propeller blade for helicopter |
JP2004060646A (en) * | 2002-06-05 | 2004-02-26 | Furukawa Co Ltd | Starting wind speed reducing device for wind mill |
JP4411063B2 (en) * | 2003-12-26 | 2010-02-10 | 大和ハウス工業株式会社 | Speed control mechanism of horizontal axis wind turbine for power generation |
JP2005256605A (en) * | 2004-01-30 | 2005-09-22 | Mekaro Akita:Kk | Wind power generating device |
CN101358575A (en) * | 2007-08-05 | 2009-02-04 | 尤林 | Pitch balancing device for pitch-control type wind power generator |
CN101440783B (en) * | 2008-12-22 | 2012-05-23 | 三一电气有限责任公司 | Operation control method of wind power generation |
-
2010
- 2010-08-30 KR KR1020100084326A patent/KR101058339B1/en active IP Right Grant
-
2011
- 2011-08-29 CN CN2011800026684A patent/CN102575651A/en active Pending
- 2011-08-29 WO PCT/KR2011/006368 patent/WO2012030125A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
KR101058339B1 (en) | 2011-08-22 |
WO2012030125A3 (en) | 2012-04-26 |
WO2012030125A2 (en) | 2012-03-08 |
CN102575651A (en) | 2012-07-11 |
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