JP2008169846A - ボーテックス・ジェネレータを備えた風力タービン用ロータブレード - Google Patents
ボーテックス・ジェネレータを備えた風力タービン用ロータブレード Download PDFInfo
- Publication number
- JP2008169846A JP2008169846A JP2008004179A JP2008004179A JP2008169846A JP 2008169846 A JP2008169846 A JP 2008169846A JP 2008004179 A JP2008004179 A JP 2008004179A JP 2008004179 A JP2008004179 A JP 2008004179A JP 2008169846 A JP2008169846 A JP 2008169846A
- Authority
- JP
- Japan
- Prior art keywords
- airfoil portion
- vortex generator
- rotor blade
- blade
- airfoil
- 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.)
- Granted
Links
- 210000001015 abdomen Anatomy 0.000 abstract 1
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000003187 abdominal effect Effects 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Images
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
- F03D1/0608—Rotors characterised by their aerodynamic shape
- F03D1/0633—Rotors characterised by their aerodynamic shape of the blades
- F03D1/0641—Rotors characterised by their aerodynamic shape of the blades of the section profile of the blades, i.e. aerofoil profile
-
- 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
- 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
- F05B2240/301—Cross-section characteristics
-
- 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
- F05B2240/306—Surface measures
- F05B2240/3062—Vortex generators
-
- 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
- F05B2240/32—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor with roughened surface
-
- 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
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
【解決手段】背側(13)と腹側(15)のある翼形を有しており、前記翼形に内側翼形部分(7)と外側翼形部分が含まれていて、前記内側翼形部分(7)が前記外側翼形部分より比較的厚めであり、前記内側翼形部分(7)の厚さが内側翼形部分(7)の翼弦長の30%〜80%の間であり、内側翼形部分(7)にボーテックス・ジェネレータ(21″)が設けられている風力タービン用ロータブレード(1)であって、前記ボーテックス・ジェネレータ(21″)が前記翼形部分(7)の前縁(9)から測定して翼弦長の8%〜12%の位置で前記内側翼形部分(7)の背側(13)に配置されているものとする。
【選択図】図5
Description
2 先端
3 翼付根
4 肩
5 翼形
6 外側翼形部分
7 内側翼形部分
9 ブレード前縁
11 ブレード後縁
13 背側
15 腹側
17 凸状セクション
19 凹状セクション
21 ボーテックス・ジェネレータ
21′ ボーテックス・ジェネレータ
21″ ボーテックス・ジェネレータ
Claims (5)
- 背側(13)と腹側(15)のある翼形(5)を有しており、前記翼形(5)に内側翼形部分(7)と外側翼形部分(6)が含まれていて、前記内側翼形部分(7)が前記外側翼形部分(6)より比較的厚めであり、前記内側翼形部分(7)の厚さが前記内側翼形部分(7)の翼弦長の30%〜80%の間であり、前記内側翼形部分(7)にボーテックス・ジェネレータ(21、21′、21″)が設けられている風力タービン用ロータブレード(1)であって、
前記ボーテックス・ジェネレータ(21、21′、21″)が前記翼形部分(7)の前縁(9)から測定して前記翼弦長の8%〜12%の位置で前記内側翼形部分(7)の前記背側(13)に配置されていることを特徴とする風力タービン用ロータブレード(1)。 - 前記内側翼形部分(7)の厚さが前記翼弦長の40%〜65%であることを特徴とする請求項1に記載の風力タービン用ロータブレード(1)。
- 全てのボーテックス・ジェネレータが同じ翼弦長の位置に配置されていることを特徴とする請求項1に記載の風力タービン用ロータブレード(1)。
- ボーテックス・ジェネレータが前記内側翼形部分(7)の全翼幅に沿って存在することを特徴とする請求項1〜3のいずれか1項に記載の風力タービン用ロータブレード(1)。
- 請求項1〜4のいずれか1項に記載の少なくとも1つのロータブレード(1)を備えることを特徴とする風力タービン。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07000617.6 | 2007-01-12 | ||
EP07000617A EP1944505B1 (en) | 2007-01-12 | 2007-01-12 | Wind turbine rotor blade with vortex generators |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008169846A true JP2008169846A (ja) | 2008-07-24 |
JP5787462B2 JP5787462B2 (ja) | 2015-09-30 |
Family
ID=38089110
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008004179A Expired - Fee Related JP5787462B2 (ja) | 2007-01-12 | 2008-01-11 | ボーテックス・ジェネレータを備えた風力タービン用ロータブレード |
Country Status (7)
Country | Link |
---|---|
US (1) | US20080317600A1 (ja) |
EP (1) | EP1944505B1 (ja) |
JP (1) | JP5787462B2 (ja) |
CN (1) | CN101220799B (ja) |
CA (1) | CA2617750C (ja) |
DK (1) | DK1944505T3 (ja) |
ES (1) | ES2396702T3 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101331961B1 (ko) | 2012-10-23 | 2013-11-22 | 한국에너지기술연구원 | 공력제어장치 삽입이 가능한 뒷전 형상을 갖는 풍력발전기의 블레이드 에어포일 |
JP2014070638A (ja) * | 2012-09-28 | 2014-04-21 | Siemens Aktiengesellschaft | 風力タービンのロータのブレード |
JP2017106427A (ja) * | 2015-12-13 | 2017-06-15 | 好美 篠田 | 翼形羽根板の揚力を利用する水平式揚力回転発電装置 |
CN115815284A (zh) * | 2021-11-04 | 2023-03-21 | 北京工商大学 | 一种废旧风电叶片资源化利用的装置***及方法 |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2017466A1 (en) * | 2007-07-20 | 2009-01-21 | Siemens Aktiengesellschaft | Wind turbine rotor blade and turbine rotor |
EP2031241A1 (en) * | 2007-08-29 | 2009-03-04 | Lm Glasfiber A/S | Blade for a rotor of a wind turbine provided with barrier generating means |
US8186950B2 (en) | 2008-12-23 | 2012-05-29 | General Electric Company | Aerodynamic device for detection of wind turbine blade operation |
WO2010100237A2 (en) * | 2009-03-06 | 2010-09-10 | Vestas Wind Systems A/S | A wind turbine providing increased power output |
EP2253834A1 (en) * | 2009-05-18 | 2010-11-24 | Lm Glasfiber A/S | Wind turbine blade with base part having inherent non-ideal twist |
EP2253838A1 (en) * | 2009-05-18 | 2010-11-24 | Lm Glasfiber A/S | A method of operating a wind turbine |
EP2253835A1 (en) * | 2009-05-18 | 2010-11-24 | Lm Glasfiber A/S | Wind turbine blade with base part having non-positive camber |
EP2253837A1 (en) * | 2009-05-18 | 2010-11-24 | Lm Glasfiber A/S | Method of manufacturing a wind turbine blade having predesigned segment |
EP2253836A1 (en) | 2009-05-18 | 2010-11-24 | Lm Glasfiber A/S | Wind turbine blade |
EP2253839A1 (en) * | 2009-05-18 | 2010-11-24 | Lm Glasfiber A/S | Wind turbine blade provided with flow altering devices |
US7857597B2 (en) | 2009-05-28 | 2010-12-28 | General Electric Company | Boundary layer fins for wind turbine blade |
US8061986B2 (en) | 2010-06-11 | 2011-11-22 | General Electric Company | Wind turbine blades with controllable aerodynamic vortex elements |
US8038396B2 (en) * | 2010-06-22 | 2011-10-18 | General Electric Company | Vortex generator assembly for use with a wind turbine rotor blade and method for assembling a wind turbine rotor blade |
US8047801B2 (en) | 2010-06-23 | 2011-11-01 | General Electric Company | Wind turbine blades with aerodynamic vortex elements |
DK3835571T3 (da) * | 2010-07-16 | 2023-12-04 | Lm Wind Power As | Vindmøllevinge med smal skulder og relative tykke bæreplansprofiler |
CA2824611A1 (en) | 2010-12-16 | 2012-06-21 | Inventus Holdings, Llc | A method for determining optimum vortex generator placement for maximum efficiency on a retrofitted wind turbine generator of unknown aerodynamic design |
US9039381B2 (en) | 2010-12-17 | 2015-05-26 | Vestas Wind Systems A/S | Wind turbine blade and method for manufacturing a wind turbine blade with vortex generators |
US8167554B2 (en) | 2011-01-28 | 2012-05-01 | General Electric Corporation | Actuatable surface features for wind turbine rotor blades |
DK2484898T3 (da) * | 2011-02-04 | 2014-07-21 | Lm Wp Patent Holding As | En vortexgeneratorindretning med tilspidsede dele |
US20110268576A1 (en) * | 2011-03-22 | 2011-11-03 | General Electric Company | System and method for increasing energy capture by wind turbines |
EP2514962B1 (en) | 2011-04-19 | 2017-08-02 | Siemens Aktiengesellschaft | Spoiler for a wind turbine blade |
GB201109412D0 (en) * | 2011-06-03 | 2011-07-20 | Blade Dynamics Ltd | A wind turbine rotor |
ES2679368T3 (es) * | 2012-02-17 | 2018-08-24 | Lm Wind Power International Technology Ii Aps | Pala de turbina eólica que tiene una placa de sustentación o desviador de flujo conformado |
US10060274B2 (en) * | 2012-03-13 | 2018-08-28 | Corten Holding Bv | Twisted blade root |
US20140093380A1 (en) * | 2012-10-03 | 2014-04-03 | General Electric Company | Noise reduction tab and method for wind turbine rotor blade |
DE102013207640B4 (de) | 2012-10-16 | 2024-06-20 | Wobben Properties Gmbh | Windenergieanlagen-Rotorblatt |
CN103939277A (zh) * | 2013-01-21 | 2014-07-23 | 远景能源(江苏)有限公司 | 风力涡轮机叶片 |
CN103939278A (zh) * | 2013-01-21 | 2014-07-23 | 远景能源(江苏)有限公司 | 风力涡轮机叶片 |
DE102013202666A1 (de) | 2013-02-19 | 2014-08-21 | Senvion Se | Rotorblatt einer Windenergieanlage |
US9562513B2 (en) | 2013-05-03 | 2017-02-07 | General Electric Company | Wind turbine rotor blade assembly with surface features |
US20140328688A1 (en) | 2013-05-03 | 2014-11-06 | General Electric Company | Rotor blade assembly having vortex generators for wind turbine |
US9267491B2 (en) | 2013-07-02 | 2016-02-23 | General Electric Company | Wind turbine rotor blade having a spoiler |
CN103321857B (zh) * | 2013-07-08 | 2015-05-06 | 国电联合动力技术有限公司 | 一种大型风机的大厚度钝尾缘翼型叶片 |
US9624782B2 (en) | 2013-11-11 | 2017-04-18 | General Electric Company | Template for aligning surface features on a rotor blade |
US9523279B2 (en) | 2013-11-12 | 2016-12-20 | General Electric Company | Rotor blade fence for a wind turbine |
US9752559B2 (en) | 2014-01-17 | 2017-09-05 | General Electric Company | Rotatable aerodynamic surface features for wind turbine rotor blades |
US10087912B2 (en) | 2015-01-30 | 2018-10-02 | General Electric Company | Vortex generator for a rotor blade |
JP6148312B2 (ja) | 2015-11-12 | 2017-06-14 | 三菱重工業株式会社 | ボルテックスジェネレータ、風車翼および風力発電装置 |
US11015569B2 (en) | 2015-11-12 | 2021-05-25 | Mitsubishi Heavy Industries, Ltd. | Vortex generator, wind turbine blade, and wind turbine power generating apparatus |
JP6153989B2 (ja) | 2015-11-13 | 2017-06-28 | 三菱重工業株式会社 | ボルテックスジェネレータ、風車翼および風力発電装置 |
US10487798B2 (en) | 2016-08-05 | 2019-11-26 | General Electric Company | System and method for locating airflow modifiers for installation on a wind turbine rotor blade |
JP6154050B1 (ja) | 2016-08-08 | 2017-06-28 | 三菱重工業株式会社 | 風車翼、風車ロータ及び風力発電装置並びにボルテックスジェネレータの取付方法 |
US10487796B2 (en) | 2016-10-13 | 2019-11-26 | General Electric Company | Attachment methods for surface features of wind turbine rotor blades |
US10465652B2 (en) | 2017-01-26 | 2019-11-05 | General Electric Company | Vortex generators for wind turbine rotor blades having noise-reducing features |
JP6732697B2 (ja) | 2017-07-05 | 2020-07-29 | 三菱重工業株式会社 | 風車翼へのボルテックスジェネレータの配置位置決定方法、風車翼アセンブリの製造方法及び風車翼アセンブリ |
US11001374B2 (en) | 2017-09-14 | 2021-05-11 | The Boeing Company | System and method for vertical take-off in an autogyro |
JP6783212B2 (ja) | 2017-10-20 | 2020-11-11 | 三菱重工業株式会社 | 風車翼へのボルテックスジェネレータの配置位置決定方法、風車翼アセンブリの製造方法及び風車翼アセンブリ |
DE102018121190A1 (de) | 2018-08-30 | 2020-03-05 | Wobben Properties Gmbh | Rotorblatt, Windenergieanlage und Verfahren zum Optimieren einer Windenergieanlage |
US11111013B2 (en) | 2018-11-15 | 2021-09-07 | The Boeing Company | Updraft assisted rotorcraft take-off |
EP3736211B1 (en) | 2019-05-07 | 2022-08-31 | The Boeing Company | A system and method for enhanced altitude control of an autogyro |
EP3981981A1 (de) | 2020-10-09 | 2022-04-13 | Wobben Properties GmbH | Rotorblatt für eine windenergieanlage, windenergieanlage und verfahren zur auslegung eines rotorblatts |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000015961A1 (en) * | 1998-09-16 | 2000-03-23 | Lm Glasfiber A/S | Wind turbine blade with vortex generator |
EP1314885A1 (en) * | 2001-11-26 | 2003-05-28 | Bonus Energy A/S | Flexible serrated trailing edge for wind turbine rotor blade |
JP2005533210A (ja) * | 2002-06-05 | 2005-11-04 | アロイス・ヴォベン | 風力発電装置のローターブレード |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU771143B2 (en) * | 1999-08-25 | 2004-03-11 | Forskningscenter Riso (Riso National Laboratory) | Modified wind turbine airfoil |
US7387491B2 (en) * | 2004-12-23 | 2008-06-17 | General Electric Company | Active flow modifications on wind turbine blades |
EP1886016B1 (en) * | 2005-05-17 | 2017-05-10 | Vestas Wind Systems A/S | A pitch controlled wind turbine blade having turbulence generating means, a wind turbine and use thereof |
-
2007
- 2007-01-12 DK DK07000617.6T patent/DK1944505T3/da active
- 2007-01-12 EP EP07000617A patent/EP1944505B1/en not_active Revoked
- 2007-01-12 ES ES07000617T patent/ES2396702T3/es active Active
-
2008
- 2008-01-07 CN CN2008100024335A patent/CN101220799B/zh not_active Expired - Fee Related
- 2008-01-10 CA CA2617750A patent/CA2617750C/en not_active Expired - Fee Related
- 2008-01-11 US US12/008,690 patent/US20080317600A1/en not_active Abandoned
- 2008-01-11 JP JP2008004179A patent/JP5787462B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000015961A1 (en) * | 1998-09-16 | 2000-03-23 | Lm Glasfiber A/S | Wind turbine blade with vortex generator |
EP1314885A1 (en) * | 2001-11-26 | 2003-05-28 | Bonus Energy A/S | Flexible serrated trailing edge for wind turbine rotor blade |
JP2005533210A (ja) * | 2002-06-05 | 2005-11-04 | アロイス・ヴォベン | 風力発電装置のローターブレード |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014070638A (ja) * | 2012-09-28 | 2014-04-21 | Siemens Aktiengesellschaft | 風力タービンのロータのブレード |
KR101331961B1 (ko) | 2012-10-23 | 2013-11-22 | 한국에너지기술연구원 | 공력제어장치 삽입이 가능한 뒷전 형상을 갖는 풍력발전기의 블레이드 에어포일 |
JP2017106427A (ja) * | 2015-12-13 | 2017-06-15 | 好美 篠田 | 翼形羽根板の揚力を利用する水平式揚力回転発電装置 |
CN115815284A (zh) * | 2021-11-04 | 2023-03-21 | 北京工商大学 | 一种废旧风电叶片资源化利用的装置***及方法 |
Also Published As
Publication number | Publication date |
---|---|
ES2396702T3 (es) | 2013-02-25 |
CA2617750A1 (en) | 2008-07-12 |
DK1944505T3 (da) | 2013-01-07 |
CN101220799B (zh) | 2011-12-14 |
JP5787462B2 (ja) | 2015-09-30 |
EP1944505A1 (en) | 2008-07-16 |
CA2617750C (en) | 2015-05-05 |
EP1944505B1 (en) | 2012-11-28 |
US20080317600A1 (en) | 2008-12-25 |
CN101220799A (zh) | 2008-07-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5787462B2 (ja) | ボーテックス・ジェネレータを備えた風力タービン用ロータブレード | |
EP2404055B1 (en) | A wind turbine providing increased power output | |
DK2292926T3 (en) | WIND GENERATOR WINGS WITH HYPER SUPPORTING ELEMENTS | |
ES2966169T3 (es) | Pala de turbina eólica con hombro estrecho y perfiles de perfil alar relativamente gruesos | |
CN103089536B (zh) | 安装在风力涡轮机叶片上的失速栅上的副翼面 | |
DK2337950T3 (en) | Profile of a rotor blade and rotor blade for a wind turbine | |
US10060274B2 (en) | Twisted blade root | |
ATE544948T1 (de) | Rotorblatt für eine windturbine | |
DK2851553T3 (en) | Device for reducing noise from a wind turbine rotor blade | |
WO2013054404A1 (ja) | 風車翼及びこれを備えた風力発電装置ならびに風車翼の設計方法 | |
DK200801159A (en) | Wind turbine blades with trailing edge serrations | |
AU2013213758A1 (en) | Wind turbine rotor blade | |
JP6101240B2 (ja) | 後縁側パネル | |
JP2018115559A (ja) | ボルテックスジェネレータ及びその設置方法、並びに風車翼及び風力発電装置 | |
US8936435B2 (en) | System and method for root loss reduction in wind turbine blades | |
PT1514023E (pt) | Central de energia eólica | |
JP5433554B2 (ja) | 風車翼およびこれを備えた風力発電装置ならびに風車翼の設計方法 | |
JP2009191744A (ja) | 垂直軸型風車 | |
JP5479300B2 (ja) | 風車翼およびこれを備えた風力発電装置ならびに風車翼の設計方法 | |
JP5433553B2 (ja) | 風車翼およびこれを備えた風力発電装置ならびに風車翼の設計方法 | |
JP5675270B2 (ja) | 風車翼およびこれを備えた風力発電装置ならびに風車翼の設計方法 | |
JP5574915B2 (ja) | 風車翼およびこれを備えた風力発電装置ならびに風車翼の設計方法 | |
CN112639284A (zh) | 用于风能设备的转子叶片和风能设备 | |
JP2005030317A (ja) | 七円弧薄型翼 | |
JP2012092661A5 (ja) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20101117 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20130109 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130122 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130416 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20131001 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20150225 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20150325 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20150414 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20150728 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5787462 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |