EP2232061A4 - Wind turbine comprising means to alter the size of the surface of the blades - Google Patents

Wind turbine comprising means to alter the size of the surface of the blades

Info

Publication number
EP2232061A4
EP2232061A4 EP08867928.7A EP08867928A EP2232061A4 EP 2232061 A4 EP2232061 A4 EP 2232061A4 EP 08867928 A EP08867928 A EP 08867928A EP 2232061 A4 EP2232061 A4 EP 2232061A4
Authority
EP
European Patent Office
Prior art keywords
alter
blades
size
wind turbine
turbine
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP08867928.7A
Other languages
German (de)
French (fr)
Other versions
EP2232061A1 (en
Inventor
Cenneth Lindkvist
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TRIPLEMINDS AB
Original Assignee
TRIPLEMINDS AB
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 TRIPLEMINDS AB filed Critical TRIPLEMINDS AB
Publication of EP2232061A1 publication Critical patent/EP2232061A1/en
Publication of EP2232061A4 publication Critical patent/EP2232061A4/en
Withdrawn legal-status Critical Current

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
    • F03D3/062—Rotors characterised by their construction elements
    • 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
    • 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
    • F05B2240/312—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 capable of being reefed
    • 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
    • F05B2240/313—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 with adjustable flow intercepting area
    • 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
    • F05B2240/40—Use of a multiplicity of similar components
    • 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)
  • 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)
EP08867928.7A 2007-12-27 2008-12-19 Wind turbine comprising means to alter the size of the surface of the blades Withdrawn EP2232061A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0702889 2007-12-27
SE0801430 2008-06-18
PCT/SE2008/000735 WO2009084992A1 (en) 2007-12-27 2008-12-19 Wind turbine comprising means to alter the size of the surface of the blades

Publications (2)

Publication Number Publication Date
EP2232061A1 EP2232061A1 (en) 2010-09-29
EP2232061A4 true EP2232061A4 (en) 2013-07-24

Family

ID=40824548

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08867928.7A Withdrawn EP2232061A4 (en) 2007-12-27 2008-12-19 Wind turbine comprising means to alter the size of the surface of the blades

Country Status (2)

Country Link
EP (1) EP2232061A4 (en)
WO (1) WO2009084992A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2469190T3 (en) * 2010-04-26 2014-06-17 Hse Hitit Solar Enerji Anonim Sirketi Turbine
US8672631B2 (en) 2010-08-31 2014-03-18 Hamilton Sundstrand Corporation Articulated wind turbine blades
FR2987654A1 (en) * 2012-03-04 2013-09-06 Gallo Sabrina Steinke Technical device for urban windmill, has attachment unit arranged directly and/or turned distinctly on axis of set of expansion modules, where modules slip towards interior and/or outside of turbine in remote and automatic manner
JP5963146B2 (en) * 2013-05-25 2016-08-03 吉二 玉津 Vertical axis water turbine generator using wind face opening and closing blade system
US9739153B2 (en) 2014-04-03 2017-08-22 Cassius Advisors Gmbh Rotor and fluid turbine with rotor
US9982655B2 (en) 2014-04-03 2018-05-29 Windtree Gmbh Rotor and fluid turbine with rotor
US9863394B2 (en) 2014-04-03 2018-01-09 Cassius Advisiors Gmbh Fluid turbine
EP3126667A1 (en) * 2014-04-03 2017-02-08 Cassius Advisors GmbH A rotor and a fluid turbine with rotor
CN110671262A (en) * 2019-11-14 2020-01-10 南京航空航天大学 Active folding wind turbine capable of resisting strong typhoon

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1578835A (en) * 1925-02-28 1926-03-30 Louis E Kothe Fluid motor
WO1997020142A1 (en) * 1995-11-28 1997-06-05 Ion Popescu Vertical axis wind turbine
JP2003247483A (en) * 2002-02-21 2003-09-05 Hiroshi Katori Gravitational-load-reducing device for vertical rotation-shaft
JP2004270673A (en) * 2003-03-06 2004-09-30 Akio Kikuchi Non-tareweight windmill
WO2008002149A1 (en) * 2006-06-30 2008-01-03 John Robert Skjelvan Turbine wheel

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1341045A (en) * 1919-05-16 1920-05-25 Currey Charles Fremont Windmill
FR929721A (en) * 1946-06-25 1948-01-06 Vertical axis electro-wind trial rotor
US3942909A (en) 1974-07-22 1976-03-09 Science Applications, Inc. Vertical axis fluid driven rotor
JP2003301837A (en) * 2002-04-11 2003-10-24 Fjc:Kk Rotary body
JP2005036751A (en) * 2003-07-17 2005-02-10 Ito Hideya Power generating device
DE20313493U1 (en) * 2003-08-30 2003-12-18 Grüneberg, Till Wind power unit has vane fixed to rotating base having a wind catching surface which is adjustable in size
US7287954B2 (en) * 2005-09-30 2007-10-30 California Energy & Power Omni directional baffled wind energy power converter apparatus and method
US7303369B2 (en) * 2005-10-31 2007-12-04 Rowan James A Magnetic vertical axis wind turbine
US7462950B2 (en) * 2007-01-19 2008-12-09 Suey-Yueh Hu Magnetic levitation weight reduction structure for a vertical wind turbine generator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1578835A (en) * 1925-02-28 1926-03-30 Louis E Kothe Fluid motor
WO1997020142A1 (en) * 1995-11-28 1997-06-05 Ion Popescu Vertical axis wind turbine
JP2003247483A (en) * 2002-02-21 2003-09-05 Hiroshi Katori Gravitational-load-reducing device for vertical rotation-shaft
JP2004270673A (en) * 2003-03-06 2004-09-30 Akio Kikuchi Non-tareweight windmill
WO2008002149A1 (en) * 2006-06-30 2008-01-03 John Robert Skjelvan Turbine wheel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009084992A1 *

Also Published As

Publication number Publication date
EP2232061A1 (en) 2010-09-29
WO2009084992A1 (en) 2009-07-09

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Legal Events

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AX Request for extension of the european patent

Extension state: AL BA MK RS

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: TRIPLEMINDS AB

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20130624

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Ipc: F03D 3/06 20060101AFI20130618BHEP

STAA Information on the status of an ep patent application or granted ep patent

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Effective date: 20140122