DK200001868A - Kombineret lynreceptor og drænkanal i vindmøllevinge - Google Patents
Kombineret lynreceptor og drænkanal i vindmøllevinge Download PDFInfo
- Publication number
- DK200001868A DK200001868A DK200001868A DKPA200001868A DK200001868A DK 200001868 A DK200001868 A DK 200001868A DK 200001868 A DK200001868 A DK 200001868A DK PA200001868 A DKPA200001868 A DK PA200001868A DK 200001868 A DK200001868 A DK 200001868A
- Authority
- DK
- Denmark
- Prior art keywords
- lightning receptor
- wind turbine
- drainage channel
- turbine wings
- combined lightning
- Prior art date
Links
- 239000002184 metal Substances 0.000 description 2
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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/30—Lightning protection
-
- 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)
- 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)
- Elimination Of Static Electricity (AREA)
Description
PATENTKRAV 1. Vindmøllevinge, som ved sin tip (1) er forsynet med en lynreceptor (2) og en drænkanal (6; 16; 26; 36; 46; 56), der forbinder vingens indre (11, 12) med vingens ydre, kendetegnet ved, at drænkanalen (6; 16; 26; 36; 46; 56) og lynreceptoren (2) har en fælles grænseflade. 2. Vindmøllevinge ifølge krav 1,kendetegnet ved, at drænkanalen (6) udgøres af et i vingevæggen tilvejebragt hul (16) med et større tværsnit end lynreceptoren (2), der er ført gennem hullet (16). 3. Vindmøllevinge ifølge krav 1,kendetegnet ved, at drænkanalen udgøres af en eller flere indskæringer (26) i hulvæggen til et i vingevæggen (10) tilvejebragt hul, igennem hvilket hul der er ført en lynreceptor (2). 4. Vindmøllevinge ifølge krav 1,kendetegnet ved, at drænkanalen (6; 36; 46; 56) er udformet i lynreceptoren (2). 5. Lynreceptor (2) til anbringelse i tippen på en vindmøllevinge, kendetegnet ved, at lynreceptoren (2) er forsynet med en drænkanal (6; 36; 46; 56). 6. Lynreceptor (2) ifølge krav 5,kendetegnet ved, at den udgøres af en cylindrisk metalstang, og at drænkanalen udgøres af en central, langsgående boring (6), som strækker sig fra den ydre ende af lynreceptoren (2), og som kommunicerer med tværgående huller (7), der strækker sig fra den langsgående boring (6) til et område af metalstangens overflade, der i lynreceptorens (2) monterede tilstand befinder sig i vingens indre (12). 7. Lynreceptor (2) ifølge krav 5, kendetegnet ved, at drænkanalen er udformet som en eller flere indskæringer (36; 46; 56) i lynreceptorens (2) overflade.
Priority Applications (14)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK200001868A DK174232B1 (da) | 2000-12-13 | 2000-12-13 | Kombineret lynreceptor og drænkanal i vindmøllevinge |
| CNB018204708A CN1229576C (zh) | 2000-12-13 | 2001-12-11 | 风力涡轮机转子叶片和具有排放通道的闪电放电接收器 |
| ES01270701.4T ES2322429T5 (es) | 2000-12-13 | 2001-12-11 | Álabe de rotor de turbina eólica con receptor de rayo y conducto de drenaje combinados, y receptor de rayo con conducto de drenaje |
| AU2002220537A AU2002220537B2 (en) | 2000-12-13 | 2001-12-11 | Wind turbine rotor blade with combined lightning receptor and drain passage and lightning receptor with drain passage |
| JP2002550236A JP4091840B2 (ja) | 2000-12-13 | 2001-12-11 | 避雷器とドレイン通路の組合せを備える風力タービン回転翼、およびドレイン通路を有する避雷器 |
| CA002431086A CA2431086C (en) | 2000-12-13 | 2001-12-11 | Wind turbine rotor blade with combined lightning receptor and drain passage and lightning receptor with drain passage |
| DE60138215T DE60138215D1 (de) | 2000-12-13 | 2001-12-11 | Rotorblatt für eine windturbine mit kombiniertem blitzableiter und wasserableiter, sowie blitzableiter mit wasserableiter |
| AU2053702A AU2053702A (en) | 2000-12-13 | 2001-12-11 | Wind turbine rotor blade with combined lightning receptor and drain passage and lightning receptor with drain passage |
| DK01270701.4T DK1342009T4 (da) | 2000-12-13 | 2001-12-11 | Vindmøllevinge med kombineret lynreceptor og drænkanal og lynreceptor med drænkanal |
| AT01270701T ATE427421T1 (de) | 2000-12-13 | 2001-12-11 | Rotorblatt fur eine windturbine mit kombiniertem blitzableiter und wasserableiter, sowie blitzableiter mit wasserableiter |
| EP01270701.4A EP1342009B2 (en) | 2000-12-13 | 2001-12-11 | Wind turbine rotor blade with combined lightning receptor and drain passage and lightning receptor with drain passage |
| US10/450,273 US6979179B2 (en) | 2000-12-13 | 2001-12-11 | Wind turbine rotor blade with combined lighting receptor and drain passage and lighting receptor with drain passage |
| PCT/DK2001/000817 WO2002048546A1 (en) | 2000-12-13 | 2001-12-11 | Wind turbine rotor blade with combined lightning receptor and drain passage and lightning receptor with drain passage |
| PL362065A PL201031B1 (pl) | 2000-12-13 | 2001-12-11 | Łopatka wirnika turbiny wiatrowej oraz odgromnik |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK200001868A DK174232B1 (da) | 2000-12-13 | 2000-12-13 | Kombineret lynreceptor og drænkanal i vindmøllevinge |
| DK200001868 | 2000-12-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK200001868A true DK200001868A (da) | 2002-06-14 |
| DK174232B1 DK174232B1 (da) | 2002-10-07 |
Family
ID=8159906
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK200001868A DK174232B1 (da) | 2000-12-13 | 2000-12-13 | Kombineret lynreceptor og drænkanal i vindmøllevinge |
| DK01270701.4T DK1342009T4 (da) | 2000-12-13 | 2001-12-11 | Vindmøllevinge med kombineret lynreceptor og drænkanal og lynreceptor med drænkanal |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK01270701.4T DK1342009T4 (da) | 2000-12-13 | 2001-12-11 | Vindmøllevinge med kombineret lynreceptor og drænkanal og lynreceptor med drænkanal |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6979179B2 (da) |
| EP (1) | EP1342009B2 (da) |
| JP (1) | JP4091840B2 (da) |
| CN (1) | CN1229576C (da) |
| AT (1) | ATE427421T1 (da) |
| AU (2) | AU2002220537B2 (da) |
| CA (1) | CA2431086C (da) |
| DE (1) | DE60138215D1 (da) |
| DK (2) | DK174232B1 (da) |
| ES (1) | ES2322429T5 (da) |
| PL (1) | PL201031B1 (da) |
| WO (1) | WO2002048546A1 (da) |
Families Citing this family (60)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7249935B2 (en) * | 2002-06-19 | 2007-07-31 | Neg Micon A/S | Lightning protection means for a wind turbine |
| MXPA05007120A (es) * | 2003-01-02 | 2005-09-21 | Wobben Aloys | Aspa de rotor de turbina eolica con emision sonora reducida. |
| DK200300882A (da) | 2003-06-12 | 2004-12-13 | Lm Glasfiber As | Registrering af lynnedslag, herunder i vindenergianlæg |
| CN1906410B (zh) * | 2004-01-26 | 2010-11-10 | 维斯塔斯风力系统有限公司 | 用于操纵风轮机叶片的方法及其系统 |
| US7377750B1 (en) | 2004-03-19 | 2008-05-27 | Northern Power Systems, Inc. | Lightning protection system for a wind turbine |
| JP2007536571A (ja) * | 2004-05-04 | 2007-12-13 | トムソン ライセンシング | 投写型ディスプレイにおけるライトエンジンマウント構造 |
| EP1607624A3 (de) * | 2004-06-15 | 2008-11-26 | NORDEX ENERGY GmbH | Rotorblatt für eine Windenergieanlage |
| DE102004028917A1 (de) | 2004-06-15 | 2006-01-05 | Nordex Energy Gmbh | Rotorblatt für eine Windenergieanlage |
| ES2255454B1 (es) * | 2004-12-15 | 2007-07-01 | Gamesa Eolica, S.A. | Sistema pararrayos para pala de aerogenerador. |
| DK176019B1 (da) * | 2004-12-29 | 2005-12-12 | Lm Glasfiber As | Vinge til vindenergianlæg udstyret med opsamlingsmidler |
| ES2265776B1 (es) * | 2005-08-01 | 2008-02-01 | GAMESA INNOVATION & TECHNOLOGY, S.L. | Sistema de transmision de rayos sin contacto. |
| JP4748307B2 (ja) * | 2005-08-12 | 2011-08-17 | 東京電力株式会社 | ブレード構造および風力発電装置 |
| JP4695482B2 (ja) * | 2005-10-06 | 2011-06-08 | 株式会社荏原製作所 | 風車ブレードの誘雷方法及び誘雷装置、風力発電装置の避雷方法及び避雷装置 |
| EP1775463A1 (en) * | 2005-10-13 | 2007-04-18 | ECOTECNIA, s.coop. c.l. | Wind Turbine Blade |
| DK178167B1 (da) | 2005-12-02 | 2015-07-13 | Lm Wind Power As | Lynsikringssystem til vinge til et vindenergianlæg |
| JP4969098B2 (ja) * | 2005-12-21 | 2012-07-04 | 三菱重工業株式会社 | 風車翼の落雷保護装置、該落雷保護装置の組立方法、該落雷保護装置を備える風車翼、及び該風車翼を備える風車 |
| DK200600653A (da) | 2006-05-09 | 2007-11-10 | Vestas Wind Sys As | Lynbeskyttelsesanlæg til en vindmöllevinge, og fremgangsmåde til fremstilling af en vindmöllevinge med et lynbeskyttelsessystem |
| US7766620B2 (en) | 2007-02-08 | 2010-08-03 | General Electricc Company | Rotor blade with a lightning protection unit, wind energy system having the same and a method for constructing a rotor blade |
| US20090035148A1 (en) | 2007-08-02 | 2009-02-05 | General Electric Company | Wind Turbine Blade Drainage |
| US8182227B2 (en) * | 2008-02-01 | 2012-05-22 | General Electric Company | Wind turbine blade with lightning receptor |
| ES2364258B1 (es) * | 2008-03-05 | 2012-06-01 | Manuel Torres Martinez | Sistema de union de tramos de palas de aerogenerador |
| DK2110552T4 (da) * | 2008-04-15 | 2019-04-08 | Siemens Ag | Vindmøllevinge med en integreret lynafleder og fremgangsmåde til fremstilling heraf |
| ES2377669T3 (es) * | 2008-07-02 | 2012-03-29 | Siemens Aktiengesellschaft | Pala de turbina eólica con receptor de rayos y método para proteger la superficie de una pala de turbina eólica |
| DE102008048617B9 (de) | 2008-09-23 | 2012-08-16 | Repower Systems Ag | Rotorblatt für eine Windenergieanlage mit wenigstens einer Entwässerungsöffnung |
| US20100135817A1 (en) * | 2008-10-22 | 2010-06-03 | Wirt John C | Wind turbine blade and method for manufacturing thereof |
| DE102009010400A1 (de) * | 2009-02-26 | 2010-09-02 | Innovative Windpower Ag | Rotorblatt mit einer Blitzableitervorrichtung, Windenergiekraftanlage mit einem Rotorblatt und Windpark mit Windenergieanlagen |
| US7942640B2 (en) * | 2009-03-19 | 2011-05-17 | General Electric Company | Method and apparatus for use in protecting wind turbine blades from lightning damage |
| DE102009017824B4 (de) * | 2009-04-20 | 2011-03-17 | Suzlon Energy Gmbh | Übertragungsvorrichtung für eine Windturbine |
| DE102009046293B4 (de) * | 2009-11-02 | 2013-03-28 | Repower Systems Ag | Rotorblatt mit Entwässerungsbohrung |
| JP5346832B2 (ja) * | 2010-02-04 | 2013-11-20 | 株式会社日本製鋼所 | 風力発電用ブレードの避雷構造 |
| DE102010011275B4 (de) * | 2010-03-13 | 2012-04-26 | Kenersys Gmbh | Rotorblattentwässerung |
| JP5158730B2 (ja) * | 2010-06-30 | 2013-03-06 | 株式会社日本製鋼所 | 風力発電用ブレードの避雷構造 |
| CN103154507B (zh) | 2010-07-23 | 2016-08-03 | 爱瑞柯国际公司 | 用于风力涡轮叶片的雷电保护的接收器 |
| JP5187649B2 (ja) * | 2011-03-04 | 2013-04-24 | 東京電力株式会社 | ブレード構造および風力発電装置 |
| US20190195203A1 (en) | 2011-12-09 | 2019-06-27 | Mitsubishi Heavy Industries, Ltd. | Wind turbine blade for a wind turbine |
| JP5546624B2 (ja) | 2011-12-09 | 2014-07-09 | 三菱重工業株式会社 | 風車翼 |
| DK2636890T3 (da) * | 2012-03-09 | 2016-11-28 | Siemens Ag | Rotorvingepitchinganordning |
| DE102012015353A1 (de) * | 2012-08-06 | 2014-02-06 | Carl Von Ossietzky Universität Oldenburg | Rotorblatt und Rotorblattspitze |
| EP2722522A1 (en) * | 2012-10-22 | 2014-04-23 | Siemens Aktiengesellschaft | Lightning receptor arrangement for a wind turbine rotor blade |
| GB2519331A (en) * | 2013-10-17 | 2015-04-22 | Vestas Wind Sys As | Improvements relating to lightning protection systems for wind turbine blades |
| CN103603775B (zh) * | 2013-11-22 | 2016-06-01 | 北京金风科创风电设备有限公司 | 防雷装置、直驱风力发电机组及其雷电防护方法 |
| ES2610980T3 (es) * | 2014-04-10 | 2017-05-04 | Nordex Energy Gmbh | Módulo de correa para una pala de rotor de la instalación de energía eólica |
| WO2016022150A1 (en) * | 2014-08-08 | 2016-02-11 | Schunk Graphite Technology, LLC | Electrostatic noise grounding system for use in a wind turbine and a rotor and wind turbine comprising the same |
| EP3218596B1 (en) | 2014-11-14 | 2022-10-26 | Polytech A/S | A fully insulated tip unit for a lightning protection system for a wind turbine blade and a wind turbine blade comprising the same |
| US10293930B2 (en) | 2015-01-14 | 2019-05-21 | Sikorsky Aircraft Corporation | Spar end cap with drain hole provisions |
| ES2592323B1 (es) | 2015-05-26 | 2017-09-18 | Gamesa Innovation & Technology, S.L. | Receptor de rayos para una pala de aerogenerador |
| US10344743B2 (en) | 2016-05-13 | 2019-07-09 | Erico International Corporation | Lightning protection system and method for wind turbine blades |
| USD803163S1 (en) | 2016-05-13 | 2017-11-21 | Erico International Corporation | Tip receptor mount for lightning protection systems |
| WO2018019349A1 (en) * | 2016-07-29 | 2018-02-01 | Vestas Wind Systems A/S | Wind turbine blade having a lightning tip receptor |
| EP3491236B1 (en) | 2016-07-29 | 2020-05-13 | Vestas Wind Systems A/S | Wind turbine blade having a lightning tip receptor |
| DE102016116144A1 (de) | 2016-08-30 | 2018-03-01 | Nordex Energy Gmbh | Blitzschutzeinrichtung für ein Windenergieanlagenrotorblatt |
| KR101954775B1 (ko) | 2016-11-30 | 2019-05-17 | 두산중공업 주식회사 | 멀티 다운 컨덕터가 적용된 풍력 발전기용 카본 블레이드. |
| US10830214B2 (en) * | 2017-03-22 | 2020-11-10 | General Electric Company | Method for securing a lightning receptor cable within a segmented rotor blade |
| US11486366B2 (en) * | 2017-05-09 | 2022-11-01 | Siemens Gamesa Renewable Energy A/S | Lightning protection system for a wind turbine blade |
| PL3611373T3 (pl) * | 2018-08-15 | 2023-06-05 | Lm Wind Power A/S | Wspornik dla receptora wyładowania piorunowego |
| PL3884156T3 (pl) * | 2018-11-20 | 2024-07-29 | Lm Wind Power A/S | Łopata turbiny wiatrowej z systemem ochrony odgromowej |
| EP3712422B1 (en) * | 2019-03-20 | 2023-10-11 | Siemens Gamesa Renewable Energy A/S | Rotor blade for a wind turbine |
| CN110757157B (zh) * | 2019-11-06 | 2025-03-25 | 白银中科宇能科技有限公司 | 一种风电叶片防雷系统安装方法 |
| GB202005958D0 (en) | 2020-04-23 | 2020-06-10 | Blade Dynamics Ltd | Tip air receptor |
| JP7449185B2 (ja) * | 2020-07-13 | 2024-03-13 | 東芝エネルギーシステムズ株式会社 | 風車ブレードの誘雷装置および風力発電装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1968072A (en) * | 1929-07-12 | 1934-07-31 | R U V Company | Under water lighting unit |
| US5207499A (en) * | 1991-06-04 | 1993-05-04 | Kdi American Products, Inc. | Integral light and liquid circulation fitting |
| DK9400343U4 (da) | 1994-09-07 | 1995-10-13 | Bonus Energy As | Lynsikring af vindmøllevinge |
| DK173460B2 (da) * | 1998-09-09 | 2004-08-30 | Lm Glasfiber As | Vindmöllevinge med lynafleder |
| DK173607B1 (da) * | 1999-06-21 | 2001-04-30 | Lm Glasfiber As | Vindmøllevinge med system til afisning af lynbeskyttelse |
-
2000
- 2000-12-13 DK DK200001868A patent/DK174232B1/da not_active IP Right Cessation
-
2001
- 2001-12-11 DK DK01270701.4T patent/DK1342009T4/da active
- 2001-12-11 CA CA002431086A patent/CA2431086C/en not_active Expired - Lifetime
- 2001-12-11 JP JP2002550236A patent/JP4091840B2/ja not_active Expired - Fee Related
- 2001-12-11 EP EP01270701.4A patent/EP1342009B2/en not_active Expired - Lifetime
- 2001-12-11 WO PCT/DK2001/000817 patent/WO2002048546A1/en not_active Ceased
- 2001-12-11 US US10/450,273 patent/US6979179B2/en not_active Expired - Lifetime
- 2001-12-11 AU AU2002220537A patent/AU2002220537B2/en not_active Ceased
- 2001-12-11 PL PL362065A patent/PL201031B1/pl unknown
- 2001-12-11 DE DE60138215T patent/DE60138215D1/de not_active Expired - Lifetime
- 2001-12-11 ES ES01270701.4T patent/ES2322429T5/es not_active Expired - Lifetime
- 2001-12-11 CN CNB018204708A patent/CN1229576C/zh not_active Expired - Fee Related
- 2001-12-11 AT AT01270701T patent/ATE427421T1/de not_active IP Right Cessation
- 2001-12-11 AU AU2053702A patent/AU2053702A/xx active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004515712A (ja) | 2004-05-27 |
| PL201031B1 (pl) | 2009-02-27 |
| ES2322429T3 (es) | 2009-06-22 |
| DK174232B1 (da) | 2002-10-07 |
| EP1342009B2 (en) | 2014-07-23 |
| DK1342009T4 (da) | 2014-10-20 |
| CN1229576C (zh) | 2005-11-30 |
| EP1342009B1 (en) | 2009-04-01 |
| AU2002220537B2 (en) | 2005-09-08 |
| CN1479838A (zh) | 2004-03-03 |
| PL362065A1 (en) | 2004-10-18 |
| AU2053702A (en) | 2002-06-24 |
| ATE427421T1 (de) | 2009-04-15 |
| DE60138215D1 (de) | 2009-05-14 |
| JP4091840B2 (ja) | 2008-05-28 |
| EP1342009A1 (en) | 2003-09-10 |
| CA2431086C (en) | 2009-06-30 |
| CA2431086A1 (en) | 2002-06-20 |
| WO2002048546A1 (en) | 2002-06-20 |
| DK1342009T3 (da) | 2009-05-04 |
| US20040028528A1 (en) | 2004-02-12 |
| US6979179B2 (en) | 2005-12-27 |
| ES2322429T5 (es) | 2014-10-31 |
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| PBP | Patent lapsed |
Effective date: 20141231 |