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DK200801159A - Wind turbine blades with trailing edge serrations - Google Patents

Wind turbine blades with trailing edge serrations Download PDF

Info

Publication number
DK200801159A
DK200801159A DK200801159A DKPA200801159A DK200801159A DK 200801159 A DK200801159 A DK 200801159A DK 200801159 A DK200801159 A DK 200801159A DK PA200801159 A DKPA200801159 A DK PA200801159A DK 200801159 A DK200801159 A DK 200801159A
Authority
DK
Denmark
Prior art keywords
serrations
approximately
section
length
trailing edge
Prior art date
Application number
DK200801159A
Other languages
English (en)
Inventor
Koegler Klaus
Herr Stefan
Fisher Murray
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
Publication of DK200801159A publication Critical patent/DK200801159A/da

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
    • F03D1/065Rotors 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
    • 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
    • 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
    • F05B2250/00Geometry
    • F05B2250/10Geometry two-dimensional
    • F05B2250/18Geometry two-dimensional patterned
    • F05B2250/183Geometry two-dimensional patterned zigzag
    • 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
    • F05B2260/00Function
    • F05B2260/96Preventing, counteracting or reducing vibration or noise
    • 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

Landscapes

  • Engineering & Computer Science (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)
DK200801159A 2007-09-19 2008-08-25 Wind turbine blades with trailing edge serrations DK200801159A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/857,844 US20090074585A1 (en) 2007-09-19 2007-09-19 Wind turbine blades with trailing edge serrations
US85784407 2007-09-19

Publications (1)

Publication Number Publication Date
DK200801159A true DK200801159A (da) 2009-03-20

Family

ID=40384564

Family Applications (1)

Application Number Title Priority Date Filing Date
DK200801159A DK200801159A (da) 2007-09-19 2008-08-25 Wind turbine blades with trailing edge serrations

Country Status (4)

Country Link
US (1) US20090074585A1 (da)
CN (1) CN101392721A (da)
DE (1) DE102008037368A1 (da)
DK (1) DK200801159A (da)

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US9869295B2 (en) 2015-05-07 2018-01-16 General Electric Company Attachment method to install components, such as tip extensions and winglets, to a wind turbine blade, as well as the wind turbine blade and component
US9869296B2 (en) 2015-05-07 2018-01-16 General Electric Company Attachment method and system to install components, such as tip extensions and winglets, to a wind turbine blade
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CA2992634C (en) * 2015-07-17 2022-10-04 Lm Wp Patent Holding A/S Wind turbine blade with anchoring sites
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US10539025B2 (en) 2016-02-10 2020-01-21 General Electric Company Airfoil assembly with leading edge element
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Also Published As

Publication number Publication date
US20090074585A1 (en) 2009-03-19
DE102008037368A1 (de) 2009-04-02
CN101392721A (zh) 2009-03-25

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Legal Events

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AHS Application shelved for other reasons than non-payment