WO2010000263A3 - A reinforced blade for a wind turbine - Google Patents

A reinforced blade for a wind turbine Download PDF

Info

Publication number
WO2010000263A3
WO2010000263A3 PCT/DK2009/000151 DK2009000151W WO2010000263A3 WO 2010000263 A3 WO2010000263 A3 WO 2010000263A3 DK 2009000151 W DK2009000151 W DK 2009000151W WO 2010000263 A3 WO2010000263 A3 WO 2010000263A3
Authority
WO
WIPO (PCT)
Prior art keywords
wind turbine
blade
reinforced blade
reinforced
strengthen
Prior art date
Application number
PCT/DK2009/000151
Other languages
French (fr)
Other versions
WO2010000263A2 (en
Inventor
Find Mølholt JENSEN
Per Hørlyk NIELSEN
Original Assignee
Danmarks Tekniske Universitet
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Danmarks Tekniske Universitet filed Critical Danmarks Tekniske Universitet
Publication of WO2010000263A2 publication Critical patent/WO2010000263A2/en
Publication of WO2010000263A3 publication Critical patent/WO2010000263A3/en

Links

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
    • 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
    • F05B2210/00—Working fluid
    • F05B2210/16—Air or water being indistinctly used as working fluid, i.e. the machine can work equally with air or water without any modification
    • 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
    • F05B2240/301—Cross-section characteristics
    • 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
    • F05B2260/00—Function
    • F05B2260/96—Preventing, counteracting or reducing vibration or noise
    • 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

Abstract

The present invention relates to a reinforced blade for a wind turbine having elongated reinforcing members in the blade extending substantially in the plane of the profile chord in order to strengthen the blade against edgewise and flapwise forces.
PCT/DK2009/000151 2008-07-01 2009-06-23 A reinforced blade for a wind turbine WO2010000263A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA200800921 2008-07-01
DKPA200800921 2008-07-01

Publications (2)

Publication Number Publication Date
WO2010000263A2 WO2010000263A2 (en) 2010-01-07
WO2010000263A3 true WO2010000263A3 (en) 2010-07-22

Family

ID=40451450

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK2009/000151 WO2010000263A2 (en) 2008-07-01 2009-06-23 A reinforced blade for a wind turbine

Country Status (1)

Country Link
WO (1) WO2010000263A2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK2526287T3 (en) * 2010-01-21 2016-08-29 Vestas Wind Sys As A wind turbine rotor blade with a udbulningsbagkant
GB2493166A (en) 2011-07-26 2013-01-30 Khalil Abu Al-Rubb Sail-type turbine blade with buoyant structure, adjustable tip, flexible reinforcement, tip cap and uncovered non-working parts
CN103147930A (en) * 2011-12-06 2013-06-12 上海电气风能有限公司 Big trailing edge structure for wind turbine blades
US20140356181A1 (en) * 2013-05-30 2014-12-04 Luis A. Mailly Wind turbine blade having a tensile-only stiffener for passive control of flap movement
JP2015075062A (en) * 2013-10-11 2015-04-20 株式会社日立製作所 Axial flow type blade, and wind power generation apparatus using the same
PT3186502T (en) * 2014-08-26 2020-06-17 Bladena Solutions Aps A wind turbine blade, and a method of reinforcing a wind turbine blade
WO2016164533A1 (en) 2015-04-08 2016-10-13 Horton, Inc. Fan blade surface features
ES2929189T3 (en) * 2016-06-24 2022-11-25 Lm Wind Power As Wind turbine blade and manufacturing method of a wind turbine blade
CN113048007B (en) * 2019-12-26 2022-10-04 江苏金风科技有限公司 Blade, wind generating set and method for reducing blade breathing effect

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2042093A (en) * 1979-02-15 1980-09-17 Fiat Ricerche Blade for a wind motor
GB2115075A (en) * 1982-02-01 1983-09-01 Stanford Res Inst Int Concrete structure e.g. a rotor blade
US5401138A (en) * 1990-03-12 1995-03-28 Cofimco S.R.L. System for fastening a hollow extruded blade for an axial-flow fan to the inserted shank of the blade
FR2898865A1 (en) * 2006-03-27 2007-09-28 Cetim Cermat Ass Loi De 1901 Hydrodynamic or streamlined profile for forming e.g. drone`s wing, has core comprising active section deformed under effect of variation of temperature of active layer inducing amplitude and direction deformation in zones of envelope

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2042093A (en) * 1979-02-15 1980-09-17 Fiat Ricerche Blade for a wind motor
GB2115075A (en) * 1982-02-01 1983-09-01 Stanford Res Inst Int Concrete structure e.g. a rotor blade
US5401138A (en) * 1990-03-12 1995-03-28 Cofimco S.R.L. System for fastening a hollow extruded blade for an axial-flow fan to the inserted shank of the blade
FR2898865A1 (en) * 2006-03-27 2007-09-28 Cetim Cermat Ass Loi De 1901 Hydrodynamic or streamlined profile for forming e.g. drone`s wing, has core comprising active section deformed under effect of variation of temperature of active layer inducing amplitude and direction deformation in zones of envelope

Also Published As

Publication number Publication date
WO2010000263A2 (en) 2010-01-07

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