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WO2003076802A1 - Blade and auxiliary member of wind power generator, and wind power generator - Google Patents

Blade and auxiliary member of wind power generator, and wind power generator

Info

Publication number
WO2003076802A1
WO2003076802A1 PCT/JP2002/004211 JP0204211W WO2003076802A1 WO 2003076802 A1 WO2003076802 A1 WO 2003076802A1 JP 0204211 W JP0204211 W JP 0204211W WO 2003076802 A1 WO2003076802 A1 WO 2003076802A1
Authority
WO
Grant status
Application
Patent type
Prior art keywords
blade
wind
power
camber
shape
Prior art date
Application number
PCT/JP2002/004211
Other languages
French (fr)
Inventor
Kenzo Kanki
Hareyuki Nishida
Original Assignee
Kenzo Kanki
Hareyuki Nishida
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

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS; PRODUCING MECHANICAL POWER; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D1/00Wind motors with rotation axis substantially in wind direction
    • F03D1/06Rotors
    • F03D1/065Rotors characterised by their construction, i.e. structural design details
    • F03D1/0675Rotors characterised by their construction, i.e. structural design details of the blades
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS; PRODUCING MECHANICAL POWER; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D1/00Wind motors with rotation axis substantially in wind direction
    • F03D1/06Rotors
    • F03D1/0608Rotors characterised by their form
    • F03D1/0633Rotors characterised by their form of the blades
    • F03D1/0641Rotors characterised by their form of the blades of the section profile 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 MACHINES OR ENGINES OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, TO WIND MOTORS, TO NON-POSITIVE DISPLACEMENT PUMPS, AND TO GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY
    • 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
    • F05B2240/31Characteristics 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
    • 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 GASES [GHG] EMISSION, 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
    • Y02E10/721Blades or rotors

Abstract

A blade used for the windmill of a wind power generator capable of increasing a power generating efficiency at a rather low wind velocity and preventing excessive rotation of the windmill while assuring the power generating efficiency at a rather high wind velocity, comprising a blade body (22) having a camber and rotatably fitted to the rotating shaft of the windmill and an auxiliary member (23) installed at the rear end of the blade body in the rotating direction of the blade body so as to be extended therefrom, wherein the auxiliary member is formed in a first shape capable of increasing the camber of the blade and the projected area of the blade on the rotating surface of the windmill and, when a wind force is increased, deforms from the first shape to a second shape capable of reducing the camber of the entire blade to the same level as the camber of the blade body and, when the wind force is decreased, returns to the first shape.
PCT/JP2002/004211 2002-03-13 2002-04-26 Blade and auxiliary member of wind power generator, and wind power generator WO2003076802A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002-68599 2002-03-13
JP2002068599A JP2003269320A (en) 2002-03-13 2002-03-13 Blade of wind force power generating device and assisting member

Publications (1)

Publication Number Publication Date
WO2003076802A1 true true WO2003076802A1 (en) 2003-09-18

Family

ID=27800302

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/004211 WO2003076802A1 (en) 2002-03-13 2002-04-26 Blade and auxiliary member of wind power generator, and wind power generator

Country Status (2)

Country Link
JP (1) JP2003269320A (en)
WO (1) WO2003076802A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007105174A1 (en) 2006-03-14 2007-09-20 Tecsis Tecnologia E Sistemas Avançados Ltda Multi-element blade with aerodynamic profiles
US9366222B2 (en) 2010-08-10 2016-06-14 Siemens Aktiengesellschaft Rotor blade element and method for improving the efficiency of a wind turbine rotor blade

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010007684A1 (en) * 2008-07-17 2010-01-21 株式会社Winpro Power-generating wind turbine and its manufacturing method
JP5365959B2 (en) * 2009-05-11 2013-12-11 正憲 麻生 Blade angle adjustment function with flat wings cantilever-supported (fan type) multiblade propeller type windmill
KR101068443B1 (en) * 2009-12-24 2011-09-28 황지선 Rotors for wind power generation
KR101089129B1 (en) 2010-03-29 2011-12-02 박완규 A windpower generator which is possessed of the expande dwings
JP4796196B1 (en) * 2010-06-05 2011-10-19 秀行 飯島 Wings of the wind turbine generator and a wind turbine generator
EP2479423B1 (en) * 2011-01-24 2018-04-04 Siemens Aktiengesellschaft Wind turbine rotor blade element
CN102900632A (en) * 2012-11-08 2013-01-30 浙江风光新能源科技有限公司 Wind driven generator blade device with wind scooper
CN104005915A (en) * 2013-02-27 2014-08-27 苏州工业园区欧霸动力设备有限公司 Small-sized wind power generation device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5616963A (en) * 1994-11-02 1997-04-01 Kikuchi; Naomi Wind power generator with automatic regulation of blade pitch in response to wind speed by means of spring mounted blades
JP3071880U (en) * 2000-03-21 2000-09-22 茂信 五島 Windmill rotation stabilizing mechanism

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5616963A (en) * 1994-11-02 1997-04-01 Kikuchi; Naomi Wind power generator with automatic regulation of blade pitch in response to wind speed by means of spring mounted blades
JP3071880U (en) * 2000-03-21 2000-09-22 茂信 五島 Windmill rotation stabilizing mechanism

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007105174A1 (en) 2006-03-14 2007-09-20 Tecsis Tecnologia E Sistemas Avançados Ltda Multi-element blade with aerodynamic profiles
US8647063B2 (en) 2006-03-14 2014-02-11 Tecsis Tecnologia Sistemas Avançados S.A. Multi-element blade with aerodynamic profiles
US9366222B2 (en) 2010-08-10 2016-06-14 Siemens Aktiengesellschaft Rotor blade element and method for improving the efficiency of a wind turbine rotor blade
EP2572102B1 (en) * 2010-08-10 2016-12-14 Siemens Aktiengesellschaft Rotor blade element and method for improving the efficiency of a wind turbine rotor blade

Also Published As

Publication number Publication date Type
JP2003269320A (en) 2003-09-25 application

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