DK2784301T3 - Rotorvingeanordning til vindmølle med belastningsreduktionskendetegn - Google Patents

Rotorvingeanordning til vindmølle med belastningsreduktionskendetegn Download PDF

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Publication number
DK2784301T3
DK2784301T3 DK14160642.6T DK14160642T DK2784301T3 DK 2784301 T3 DK2784301 T3 DK 2784301T3 DK 14160642 T DK14160642 T DK 14160642T DK 2784301 T3 DK2784301 T3 DK 2784301T3
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DK
Denmark
Prior art keywords
rotor blade
blade assembly
span
wind turbine
rotor
Prior art date
Application number
DK14160642.6T
Other languages
English (en)
Inventor
Christian A Carroll
Stefan Herr
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Application granted granted Critical
Publication of DK2784301T3 publication Critical patent/DK2784301T3/da

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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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (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)

Claims (9)

1. Rotorvingeanordning (100) til en vindmølle (10), hvilken rotorvingeanordning (100) omfatter: en rotorvinge (16), der har udvendige overflader, der definerer en trykside (22), en sugningsside (24), en forkant (26), og en bagkant (28), der hver strækker sig mellem en spids (32) og en rod (34), hvilken rotorvinge (16) yderligere definerer et spænd (44) og en korde (42), kendetegnet ved at en spændviddedel (102) af tryksiden (22) omfatter en tunge (120) monteret til rotorvingen (16), en ydre overflade (122) af tungen (120), der modificerer en udvendig overflade af rotorvingen (16) således at spændviddedelen (102) af tryksiden (22) omfatter langs et kordevist tværsnit en flerhed af vendepunkter (112, 114, 116), hvor flerheden af vendepunkter (112, 114, 116) omfatter et første vendepunkt (112) og et andet vendepunkt (114), det første og andet vendepunkt (112, 114) er positioneret inden for 50% af korden (42) fra forkanten (26).
2. Rotorvingeanordningen (100) ifølge krav 1, hvor det første og andet vendepunkt (112, 114) er positioneret inden for 40% af korden (42) fra forkanten (26).
3. Rotorvingeanordningen (100) ifølge et hvilket som helst foregående krav, hvor spændviddedelen (102) er positioneret mellem en spændviddeposition af en maksimal lokal korde (46) af rotorvingen (16) og spidsen (32) af rotorvingen (16).
4. Rotorvingeanordningen (100) ifølge et hvilket som helst foregående krav, hvor spændviddedelen (102) er positioneret mellem en spændviddeposition af en maksimal lokal korde (46) af rotorvingen (16) og 90% af spændet (44).
5. Rotorvingeanordningen (100) ifølge et hvilket som helst foregående krav, hvor flerheden af vendepunkter (112, 114, 116) yderligere omfatter et tredje vendepunkt (116) positioneret mellem 50% og 100% af korden (42).
6. Rotorvingeanordningen (100) ifølge et hvilket som helst foregående krav, hvor en indre overflade (124) af tungen (120) har en krumning, der svarer til en krumning af en udvendig overflade af rotorvingen (16).
7. Rotorvingeanordningen (100) ifølge et hvilket som helst foregående krav, hvor tungen (120) er passiv.
8. Rotorvingeanordningen (100) ifølge et hvilket som helst foregående krav, omfattende en flerhed af tunger (120).
9. Vindmølle (10), omfattende: et tårn (12); en nacelle (14) monteret på tårnet; og en rotorvingeanordning (100) som defineret i et hvilket som helst foregående krav.
DK14160642.6T 2013-03-28 2014-03-19 Rotorvingeanordning til vindmølle med belastningsreduktionskendetegn DK2784301T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/852,241 US9670900B2 (en) 2013-03-28 2013-03-28 Rotor blade assembly for wind turbine having load reduction features

Publications (1)

Publication Number Publication Date
DK2784301T3 true DK2784301T3 (da) 2018-03-12

Family

ID=50289542

Family Applications (1)

Application Number Title Priority Date Filing Date
DK14160642.6T DK2784301T3 (da) 2013-03-28 2014-03-19 Rotorvingeanordning til vindmølle med belastningsreduktionskendetegn

Country Status (3)

Country Link
US (1) US9670900B2 (da)
EP (1) EP2784301B1 (da)
DK (1) DK2784301T3 (da)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10677217B2 (en) 2012-10-03 2020-06-09 General Electric Company Wind turbine and method of operating the same
CN107407290B (zh) 2015-04-08 2019-07-26 雷顿股份公司 风扇叶片及相关方法
US10215194B2 (en) 2015-12-21 2019-02-26 Pratt & Whitney Canada Corp. Mistuned fan
CA2958459A1 (en) 2016-02-19 2017-08-19 Pratt & Whitney Canada Corp. Compressor rotor for supersonic flutter and/or resonant stress mitigation
US10480535B2 (en) * 2017-03-22 2019-11-19 Pratt & Whitney Canada Corp. Fan rotor with flow induced resonance control
US10823203B2 (en) 2017-03-22 2020-11-03 Pratt & Whitney Canada Corp. Fan rotor with flow induced resonance control
US10458436B2 (en) * 2017-03-22 2019-10-29 Pratt & Whitney Canada Corp. Fan rotor with flow induced resonance control
US11674497B2 (en) 2017-08-23 2023-06-13 Lm Wind Power International Technology Ii Aps Wind turbine blade and a method of operating such a wind turbine blade
US20200088161A1 (en) * 2018-09-17 2020-03-19 General Electric Company Wind Turbine Rotor Blade Assembly for Reduced Noise
US11220913B2 (en) 2019-10-23 2022-01-11 Rolls-Royce Corporation Gas turbine engine blades with airfoil plugs for selected tuning

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB129972A (en) 1918-07-17 1919-11-27 Povl Vinding Improvements in Vanes for Wind-mills and Wind-motors.
US4641796A (en) 1983-09-30 1987-02-10 The Boeing Company Airfoil
ES2418368T3 (es) 2005-10-17 2013-08-13 Vestas Wind Systems A/S Pala de turbina eólica con perfil aerodinámico variable
ES2330500B1 (es) 2008-05-30 2010-09-13 GAMESA INNOVATION & TECHNOLOGY, S.L. UNIPERSONAL Pala de aerogenerador con elementos hipersustentadores.
DK2366891T3 (da) 2010-03-18 2014-10-27 Nordex Energy Gmbh Vindenergianlægs-rotorblad
EP2366892B1 (de) 2010-03-18 2014-07-30 Nordex Energy GmbH Windenergieanlagenrotorblatt
US8061986B2 (en) 2010-06-11 2011-11-22 General Electric Company Wind turbine blades with controllable aerodynamic vortex elements
EP3835571B1 (en) 2010-07-16 2023-08-30 LM Wind Power A/S Wind turbine blade with narrow shoulder and relatively thick airfoil profiles
US8251657B2 (en) * 2011-01-06 2012-08-28 Siemens Aktiengesellschaft Load mitigation device for wind turbine blades

Also Published As

Publication number Publication date
US9670900B2 (en) 2017-06-06
EP2784301B1 (en) 2018-01-31
US20140294595A1 (en) 2014-10-02
EP2784301A1 (en) 2014-10-01

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