WO2012113400A3 - A wind turbine blade - Google Patents

A wind turbine blade Download PDF

Info

Publication number
WO2012113400A3
WO2012113400A3 PCT/DK2012/050037 DK2012050037W WO2012113400A3 WO 2012113400 A3 WO2012113400 A3 WO 2012113400A3 DK 2012050037 W DK2012050037 W DK 2012050037W WO 2012113400 A3 WO2012113400 A3 WO 2012113400A3
Authority
WO
WIPO (PCT)
Prior art keywords
wind turbine
blade
turbine blade
junction
pitch
Prior art date
Application number
PCT/DK2012/050037
Other languages
French (fr)
Other versions
WO2012113400A2 (en
Inventor
Peter Grabau
Michael Friedrich
Original Assignee
Envision Energy (Denmark) Aps
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 Envision Energy (Denmark) Aps filed Critical Envision Energy (Denmark) Aps
Priority to CN2012900001422U priority Critical patent/CN203230534U/en
Priority to DE212012000014U priority patent/DE212012000014U1/en
Publication of WO2012113400A2 publication Critical patent/WO2012113400A2/en
Publication of WO2012113400A3 publication Critical patent/WO2012113400A3/en
Priority to DKBA201300035U priority patent/DK201300035Y4/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
    • 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
    • F03D7/0228—Adjusting blade pitch of the blade tips only
    • 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
    • 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
    • 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

A partial pitch wind turbine blade is described wherein a stall fence is provided at the partial pitch junction of the blade. The stall fence provides for the separation of the airflow between the inner blade section and the outer blade section, and furthermore can be used to seal the gap at the pitch system junction between the two blade sections.
PCT/DK2012/050037 2011-02-23 2012-01-27 A wind turbine blade WO2012113400A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2012900001422U CN203230534U (en) 2011-02-23 2012-01-27 Blade of wind turbine and wind turbine
DE212012000014U DE212012000014U1 (en) 2011-02-23 2012-01-27 Wind turbine rotor blade
DKBA201300035U DK201300035Y4 (en) 2011-02-23 2013-03-08 Wind turbine blades

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA201170097A DK201170097A (en) 2011-02-23 2011-02-23 A wind turbine blade
DKPA201170097 2011-02-23

Publications (2)

Publication Number Publication Date
WO2012113400A2 WO2012113400A2 (en) 2012-08-30
WO2012113400A3 true WO2012113400A3 (en) 2013-02-07

Family

ID=45571291

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK2012/050037 WO2012113400A2 (en) 2011-02-23 2012-01-27 A wind turbine blade

Country Status (4)

Country Link
CN (1) CN203230534U (en)
DE (1) DE212012000014U1 (en)
DK (2) DK201170097A (en)
WO (1) WO2012113400A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITAN20130152A1 (en) * 2013-08-12 2015-02-13 Elena Bricca WIND AXLE HORIZONTAL GENERATOR.
DK178313B1 (en) * 2014-12-09 2015-11-30 Envision Energy Denmark Aps Wind turbine blade with air leakage protection
CN107366604B (en) * 2016-05-13 2023-11-10 周方 Multi-segment rotor blade of wind driven generator
CN106224158A (en) * 2016-08-23 2016-12-14 广州科技职业技术学院 Become paddle blade and be provided with the wind turbine of this change paddle blade
EP3333416A1 (en) 2016-12-07 2018-06-13 LM WP Patent Holding A/S A wind turbine blade comprising two blade parts and an aero-dynamic sleeve
GB201817618D0 (en) 2018-10-29 2018-12-12 Blade Dynamics Ltd Sealing member for a sectioned wind turbine blades
JP7210723B2 (en) * 2018-11-01 2023-01-23 ゼネラル・エレクトリック・カンパニイ Spacer material for reducing coupling gap between segmented rotor blade beam structure and blade shell

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3227221A (en) * 1963-11-29 1966-01-04 You Pierre Blade construction for helicopter
US4355955A (en) * 1981-04-06 1982-10-26 The Boeing Company Wind turbine rotor speed control system
DE102008037605A1 (en) * 2007-12-06 2009-06-10 General Electric Co. Multi-part rotor blades and the same wind turbine
US20090148285A1 (en) * 2007-12-06 2009-06-11 General Electric Company Multi-section wind turbine rotor blades and wind turbines incorporating same
US7585157B2 (en) * 2003-10-10 2009-09-08 Repower Systems Ag Rotor blade for a wind power station
WO2010046760A2 (en) * 2008-10-24 2010-04-29 Clipper Windpower, Inc. Cable-stayed rotor for wind and water turbines

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3227221A (en) * 1963-11-29 1966-01-04 You Pierre Blade construction for helicopter
US4355955A (en) * 1981-04-06 1982-10-26 The Boeing Company Wind turbine rotor speed control system
US7585157B2 (en) * 2003-10-10 2009-09-08 Repower Systems Ag Rotor blade for a wind power station
DE102008037605A1 (en) * 2007-12-06 2009-06-10 General Electric Co. Multi-part rotor blades and the same wind turbine
US20090148285A1 (en) * 2007-12-06 2009-06-11 General Electric Company Multi-section wind turbine rotor blades and wind turbines incorporating same
WO2010046760A2 (en) * 2008-10-24 2010-04-29 Clipper Windpower, Inc. Cable-stayed rotor for wind and water turbines

Also Published As

Publication number Publication date
DK201170097A (en) 2012-08-24
DE212012000014U1 (en) 2013-05-06
CN203230534U (en) 2013-10-09
DK201300035Y4 (en) 2014-03-14
WO2012113400A2 (en) 2012-08-30
DK201300035U1 (en) 2013-03-22

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