IN2014DN05667A - - Google Patents

Info

Publication number
IN2014DN05667A
IN2014DN05667A IN5667DEN2014A IN2014DN05667A IN 2014DN05667 A IN2014DN05667 A IN 2014DN05667A IN 5667DEN2014 A IN5667DEN2014 A IN 5667DEN2014A IN 2014DN05667 A IN2014DN05667 A IN 2014DN05667A
Authority
IN
India
Prior art keywords
root portion
bores
wind turbine
longitudinal axis
rotor blade
Prior art date
Application number
Inventor
Arne Haahr
Zhen Zhe CHEN
Manikandan Rajagopal
Original Assignee
Vestas Wind Sys As
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 Sys As filed Critical Vestas Wind Sys As
Publication of IN2014DN05667A publication Critical patent/IN2014DN05667A/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
    • 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
    • F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/02—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine or like blades from one piece
    • 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
    • F03D1/0608—Rotors characterised by their aerodynamic shape
    • F03D1/0633—Rotors characterised by their aerodynamic shape of the blades
    • 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
    • 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
    • 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
    • F05B2230/00—Manufacture
    • F05B2230/10—Manufacture by removing material
    • 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
    • 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
    • F05B2250/00—Geometry
    • F05B2250/30—Arrangement of components
    • F05B2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
    • F05B2250/314—Arrangement of components according to the direction of their main axis or their axis of rotation the axes being inclined in relation to each other
    • 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
    • F05B2260/30—Retaining components in desired mutual position
    • F05B2260/301—Retaining bolts or nuts
    • 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
    • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/79—Bearing, support or actuation arrangements therefor
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/49336—Blade making

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Wind Motors (AREA)

Abstract

A wind turbine rotor blade (14) comprising a root portion (15) having a substantially cylindrical shape and a longitudinal axis (22) the root portion having a mounting face (25); a plurality of bores (26) in a wall of the root portion and extending from the mounting face into the root portion the bores being configured to receive respective connecting means for connecting the wind turbine rotor blade to a wind turbine hub; wherein the plurality of bores are inclined at an angle relative to the longitudinal axis of the root portion to define a cone angle.
IN5667DEN2014 2011-12-21 2012-12-10 IN2014DN05667A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161578624P 2011-12-21 2011-12-21
DKPA201170745 2011-12-21
PCT/DK2012/050457 WO2013091635A1 (en) 2011-12-21 2012-12-10 A wind turbine rotor blade with a cone angle and a method of manufacturing a wind turbine rotor blade with a cone angle

Publications (1)

Publication Number Publication Date
IN2014DN05667A true IN2014DN05667A (en) 2015-04-03

Family

ID=48667722

Family Applications (1)

Application Number Title Priority Date Filing Date
IN5667DEN2014 IN2014DN05667A (en) 2011-12-21 2012-12-10

Country Status (5)

Country Link
US (1) US10100804B2 (en)
EP (1) EP2795106B1 (en)
CN (1) CN104126070B (en)
IN (1) IN2014DN05667A (en)
WO (1) WO2013091635A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2538417B1 (en) 2013-12-19 2016-04-20 Acciona Windpower, S.A. AEROGENERATOR WITH PALA PASSAGE CHANGE SYSTEM
WO2016033181A1 (en) * 2014-08-26 2016-03-03 Digital Wind Systems, Inc. Method and apparatus for contrast enhanced photography of wind turbine blades
DE102015204490A1 (en) * 2015-03-12 2016-09-15 Wobben Properties Gmbh Method and device for producing a preform
EP3168457B1 (en) 2015-11-10 2021-06-16 Nordex Energy Spain, S.A. Wind turbine with blades with a coning angle
DE102016208051A1 (en) * 2016-05-10 2017-11-16 Wobben Properties Gmbh Wind turbine rotor blade, and wind turbine with selbigem
DE102016110848A1 (en) 2016-06-14 2017-12-14 Wobben Properties Gmbh Method and device for producing a preform
CN110168218B (en) * 2017-02-14 2020-09-18 B·沙伊克诺夫 Wind wheel with blade elbow bend
US20240066760A1 (en) * 2019-10-07 2024-02-29 Vestas Offshore Wind A/S An improved method for the manufacture of wind turbine blades
CN114945745A (en) * 2019-11-12 2022-08-26 维斯塔斯风力系统集团公司 Hinged blade wind turbine with inclined axis and/or conical rotor
US10794357B1 (en) * 2020-04-01 2020-10-06 Kevin Pyne Conical wind turbine assembly
US11396822B2 (en) * 2020-08-25 2022-07-26 General Electric Company Blade dovetail and retention apparatus
EP4116573A1 (en) * 2021-07-05 2023-01-11 Siemens Gamesa Renewable Energy A/S Root assembly of a wind turbine blade for a wind turbine, wind turbine blade and wind turbine
CN113847209B (en) * 2021-10-22 2023-03-31 中国铁建港航局集团有限公司 Assembling equipment and assembling method for offshore wind power impeller

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19807477C2 (en) * 1997-09-30 2000-01-13 Deutsch Zentr Luft & Raumfahrt rotor
JP2008545089A (en) * 2005-07-05 2008-12-11 ヴェスタス ウィンド システムズ エー／エス Wind turbine pitch bearing and use thereof
US7802968B2 (en) * 2005-07-29 2010-09-28 General Electric Company Methods and apparatus for reducing load in a rotor blade
DE102006041383B4 (en) 2006-08-29 2008-07-03 Euros Entwicklungsgesellschaft für Windkraftanlagen mbH Wind energy plant with cone-shaped rotor blades
DE102006053712A1 (en) * 2006-11-15 2008-05-21 Nordex Energy Gmbh Rotor blade and wind turbine
US8714928B2 (en) * 2008-06-06 2014-05-06 General Electric Company Rotor assembly for a wind turbine and method of assembling the same
ES2379618B1 (en) * 2009-12-16 2013-03-26 Acciona Windpower, S.A. BEARING OF AEROGENERATOR AND AEROGENERATOR SHOVEL THAT MAKES USE OF IT.
US9074581B2 (en) * 2012-06-12 2015-07-07 General Electric Company Cone angle insert for wind turbine rotor

Also Published As

Publication number Publication date
EP2795106B1 (en) 2019-03-06
US10100804B2 (en) 2018-10-16
US20150159624A1 (en) 2015-06-11
CN104126070A (en) 2014-10-29
CN104126070B (en) 2017-02-15
EP2795106A1 (en) 2014-10-29
WO2013091635A1 (en) 2013-06-27

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