WO2010109213A3 - Wind turbine blade tip - Google Patents

Wind turbine blade tip Download PDF

Info

Publication number
WO2010109213A3
WO2010109213A3 PCT/GB2010/000605 GB2010000605W WO2010109213A3 WO 2010109213 A3 WO2010109213 A3 WO 2010109213A3 GB 2010000605 W GB2010000605 W GB 2010000605W WO 2010109213 A3 WO2010109213 A3 WO 2010109213A3
Authority
WO
WIPO (PCT)
Prior art keywords
blade tip
wind turbine
turbine blade
blade
tip
Prior art date
Application number
PCT/GB2010/000605
Other languages
French (fr)
Other versions
WO2010109213A2 (en
Inventor
Stephen Peace
Paul Marsh
Original Assignee
Vertical Wind Energy Limited
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 Vertical Wind Energy Limited filed Critical Vertical Wind Energy Limited
Publication of WO2010109213A2 publication Critical patent/WO2010109213A2/en
Publication of WO2010109213A3 publication Critical patent/WO2010109213A3/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
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/06—Rotors
    • F03D3/061—Rotors characterised by their aerodynamic shape, e.g. aerofoil profiles
    • 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
    • F05B2260/00—Function
    • F05B2260/90—Braking
    • F05B2260/901—Braking using aerodynamic forces, i.e. lift or drag
    • F05B2260/9011—Braking using aerodynamic forces, i.e. lift or drag of the tips of rotor blades
    • 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
    • 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
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction

Landscapes

  • 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)

Abstract

A blade tip for a wind turbine blade, having a cord and a thickness that decrease along the length of the blade tip to a terminating point.
PCT/GB2010/000605 2009-03-27 2010-03-29 Wind turbine blade tip WO2010109213A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0905316.6A GB0905316D0 (en) 2009-03-27 2009-03-27 Wind trubine blade tip
GB0905316.6 2009-03-27

Publications (2)

Publication Number Publication Date
WO2010109213A2 WO2010109213A2 (en) 2010-09-30
WO2010109213A3 true WO2010109213A3 (en) 2011-05-19

Family

ID=40671841

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2010/000605 WO2010109213A2 (en) 2009-03-27 2010-03-29 Wind turbine blade tip

Country Status (2)

Country Link
GB (1) GB0905316D0 (en)
WO (1) WO2010109213A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1020121A3 (en) * 2011-06-15 2013-05-07 Fairwind S A BRAKING DEVICE FOR A VERTICAL AXIS WIND.

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4374631A (en) * 1981-05-21 1983-02-22 Fayette Manufacturing Corporation Windmill speed limiting system utilizing hysteresis
DE3425313A1 (en) * 1984-07-10 1986-01-23 Erich Herter Wind turbine
GB2175351A (en) * 1985-03-26 1986-11-26 Univ Open Aerodynamic/hydrodynamic control devices
DE3825241A1 (en) * 1988-04-08 1989-10-19 Bentzel & Herter Wirtschafts U Wind turbine
NL9001636A (en) * 1990-07-18 1992-02-17 Aerpac Holding B V Aerodynamic speed control for wind turbine - has automatic adjustment of pitch of blade tips
US20040042895A1 (en) * 2001-11-09 2004-03-04 Kazuichi Seki Integrated wind and water turbine and method of manufacturing the wheel
WO2005078277A2 (en) * 2004-02-13 2005-08-25 Aloys Wobben Rotor blade for a wind turbine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4374631A (en) * 1981-05-21 1983-02-22 Fayette Manufacturing Corporation Windmill speed limiting system utilizing hysteresis
DE3425313A1 (en) * 1984-07-10 1986-01-23 Erich Herter Wind turbine
GB2175351A (en) * 1985-03-26 1986-11-26 Univ Open Aerodynamic/hydrodynamic control devices
DE3825241A1 (en) * 1988-04-08 1989-10-19 Bentzel & Herter Wirtschafts U Wind turbine
NL9001636A (en) * 1990-07-18 1992-02-17 Aerpac Holding B V Aerodynamic speed control for wind turbine - has automatic adjustment of pitch of blade tips
US20040042895A1 (en) * 2001-11-09 2004-03-04 Kazuichi Seki Integrated wind and water turbine and method of manufacturing the wheel
WO2005078277A2 (en) * 2004-02-13 2005-08-25 Aloys Wobben Rotor blade for a wind turbine

Also Published As

Publication number Publication date
WO2010109213A2 (en) 2010-09-30
GB0905316D0 (en) 2009-05-13

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