WO2012103891A3 - A wind turbine blade having a flap - Google Patents

A wind turbine blade having a flap Download PDF

Info

Publication number
WO2012103891A3
WO2012103891A3 PCT/DK2012/050027 DK2012050027W WO2012103891A3 WO 2012103891 A3 WO2012103891 A3 WO 2012103891A3 DK 2012050027 W DK2012050027 W DK 2012050027W WO 2012103891 A3 WO2012103891 A3 WO 2012103891A3
Authority
WO
WIPO (PCT)
Prior art keywords
flap
wind turbine
turbine blade
skin
blade
Prior art date
Application number
PCT/DK2012/050027
Other languages
French (fr)
Other versions
WO2012103891A2 (en
Inventor
Stephen Daynes
Paul Weaver
Original Assignee
Vestas Wind Systems A/S
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 Vestas Wind Systems A/S filed Critical Vestas Wind Systems A/S
Publication of WO2012103891A2 publication Critical patent/WO2012103891A2/en
Publication of WO2012103891A3 publication Critical patent/WO2012103891A3/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D1/00Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06Rotors
    • F03D1/0608Rotors characterised by their aerodynamic shape
    • F03D1/0633Rotors characterised by their aerodynamic shape of the blades
    • F03D1/0641Rotors characterised by their aerodynamic shape of the blades of the section profile of the blades, i.e. aerofoil profile
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D1/00Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06Rotors
    • F03D1/065Rotors characterised by their construction elements
    • F03D1/0675Rotors characterised by their construction elements of the blades
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2230/00Manufacture
    • F05B2230/50Building or constructing in particular ways
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00Components
    • F05B2240/20Rotors
    • F05B2240/30Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05B2240/305Flaps, slats or spoilers
    • F05B2240/3052Flaps, slats or spoilers adjustable
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

A wind turbine blade defining an aerodynamic airfoil cross-section between a leading edge and a trailing edge,the blade comprising a blade body; a flap moveable relative to the blade body, the flap comprising a pressure skin, a suction skin and a core disposed between the pressure skin and the suction skin;wherein the core comprises an anisotropic material.
PCT/DK2012/050027 2011-02-02 2012-01-23 A wind turbine blade having a flap WO2012103891A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA201170059 2011-02-02
DKPA201170059 2011-02-02

Publications (2)

Publication Number Publication Date
WO2012103891A2 WO2012103891A2 (en) 2012-08-09
WO2012103891A3 true WO2012103891A3 (en) 2012-09-20

Family

ID=45571288

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK2012/050027 WO2012103891A2 (en) 2011-02-02 2012-01-23 A wind turbine blade having a flap

Country Status (1)

Country Link
WO (1) WO2012103891A2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201217212D0 (en) * 2012-09-26 2012-11-07 Blade Dynamics Ltd Windturbine blade
CN106499595B (en) * 2016-12-20 2023-06-20 华南理工大学 Wind turbine blade girder structure based on zero poisson ratio and angular gradient honeycomb
WO2019072948A1 (en) * 2017-10-13 2019-04-18 Covestro Deutschland Ag Composite wind turbine blade and manufacturing method and application thereof
DE102017129708B4 (en) 2017-12-13 2022-05-12 cp.max Rotortechnik GmbH & Co. KG Trailing edge flap for a rotor blade
US20210363961A1 (en) * 2018-04-28 2021-11-25 The Research Foundation For The State University Of New York Flexible wind turbine blade with actively variable twist distribution
EP4116188A1 (en) * 2021-07-05 2023-01-11 Airbus Operations, S.L.U. Aerofoil of an aerodynamic surface
CN114604416B (en) * 2022-03-11 2023-07-21 成都飞机工业(集团)有限责任公司 Honeycomb supporting structure comprising flexible skin and preparation method of flexible skin
CN114633875B (en) * 2022-03-11 2023-07-21 成都飞机工业(集团)有限责任公司 Flexible control surface capable of continuously changing bending degree
US11608158B1 (en) 2022-07-25 2023-03-21 Joon Bu Park Negative Poisson's ratio materials for propellers and turbines

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2333482A (en) * 1941-09-10 1943-11-02 Littman Zeno Airplane wing, aileron, and airplane rudder
WO2004088130A1 (en) * 2003-03-31 2004-10-14 Forskningscenter Risø Control of power, loads and/or stability of a horizontal axis wind turbine by use of variable blade geometry control
WO2010151230A2 (en) * 2009-06-26 2010-12-29 Vestas Wind Systems A/S Actuator system, wind turbine blade, and wind turbine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2333482A (en) * 1941-09-10 1943-11-02 Littman Zeno Airplane wing, aileron, and airplane rudder
WO2004088130A1 (en) * 2003-03-31 2004-10-14 Forskningscenter Risø Control of power, loads and/or stability of a horizontal axis wind turbine by use of variable blade geometry control
WO2010151230A2 (en) * 2009-06-26 2010-12-29 Vestas Wind Systems A/S Actuator system, wind turbine blade, and wind turbine

Also Published As

Publication number Publication date
WO2012103891A2 (en) 2012-08-09

Similar Documents

Publication Publication Date Title
WO2012103891A3 (en) A wind turbine blade having a flap
EP2634417A3 (en) Blade insert for a wind turbine rotor blade and related methods
EP2540974A3 (en) Fan blade with sheath
WO2010124914A3 (en) Wind turbine rotor blade
EP2808541A3 (en) Wind turbine blade having a tensile-only stiffener for passive control of flap movement
DK201270120A (en) Lift device for rotor blade in wind turbine
DK201270257A (en) Root flap for rotor blade in wind turbine
DK201370046A (en) Wind turbine rotor blade assembly with root extension panel and method of assembly
DK201170711A (en) Noise reducer for rotor blade in wind turbine
WO2011029882A3 (en) Wind turbine rotor blade
WO2014149098A3 (en) Hollow fan blade with extended wing sheath
WO2014021981A3 (en) Vortex generators for improved film effectiveness
DK201170610A (en) Winglet for wind turbine rotor blade
WO2014011242A3 (en) Hybrid airfoil for a gas turbine engine
WO2015023345A3 (en) Composite airfoil metal patch
GB2490425B (en) Interlocking blade sheath
WO2012134833A3 (en) High camber compressor rotor blade
WO2011088835A3 (en) Segmented rotor blade extension portion
WO2011031365A3 (en) Wind turbine with skeleton-and-skin structure
DK201370012A (en) Multi-material retrofitted wind turbine rotor blade and methods for making the same
WO2013130181A3 (en) Low loss airfoil platform trailing edge
EP2492440A3 (en) Turbine nozzle blade and steam turbine equipment using same
TN2014000123A1 (en) Blade wind turbine and method of assembly of the blade
WO2013180792A3 (en) Gas turbine engine airfoil trailing edge passage and core for making same
WO2012112613A3 (en) Turbine blades, systems and methods

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12703227

Country of ref document: EP

Kind code of ref document: A2

122 Ep: pct application non-entry in european phase

Ref document number: 12703227

Country of ref document: EP

Kind code of ref document: A2