DK1520983T3 - Vindmøllevinge - Google Patents
Vindmøllevinge Download PDFInfo
- Publication number
- DK1520983T3 DK1520983T3 DK04029161.9T DK04029161T DK1520983T3 DK 1520983 T3 DK1520983 T3 DK 1520983T3 DK 04029161 T DK04029161 T DK 04029161T DK 1520983 T3 DK1520983 T3 DK 1520983T3
- Authority
- DK
- Denmark
- Prior art keywords
- blade
- strips
- layer
- blade according
- fibrous composite
- Prior art date
Links
- 239000002023 wood Substances 0.000 claims abstract description 27
- 239000000835 fiber Substances 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims description 44
- 239000002131 composite material Substances 0.000 claims description 31
- 229920005989 resin Polymers 0.000 claims description 29
- 239000011347 resin Substances 0.000 claims description 29
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000011120 plywood Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000009755 vacuum infusion Methods 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims 2
- 239000004917 carbon fiber Substances 0.000 claims 2
- 239000012783 reinforcing fiber Substances 0.000 claims 2
- 229920002522 Wood fibre Polymers 0.000 claims 1
- 238000001125 extrusion Methods 0.000 claims 1
- 239000011152 fibreglass Substances 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims 1
- 239000013307 optical fiber Substances 0.000 claims 1
- 239000002025 wood fiber Substances 0.000 claims 1
- 239000006260 foam Substances 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 21
- 229910052799 carbon Inorganic materials 0.000 description 21
- 239000010410 layer Substances 0.000 description 18
- 238000010276 construction Methods 0.000 description 8
- 239000003365 glass fiber Substances 0.000 description 8
- 239000004593 Epoxy Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 238000001802 infusion Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 235000018185 Betula X alpestris Nutrition 0.000 description 2
- 235000018212 Betula X uliginosa Nutrition 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000011162 core material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 229920001567 vinyl ester resin Polymers 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 229920000271 Kevlar® Polymers 0.000 description 1
- 240000006240 Linum usitatissimum Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 240000007182 Ochroma pyramidale Species 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000805 composite resin Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000004761 kevlar Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
- B29C70/443—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding and impregnating by vacuum or injection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
-
- 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
-
- 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
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)
- Moulding By Coating Moulds (AREA)
- Laminated Bodies (AREA)
- Wind Motors (AREA)
Claims (22)
1. Vinge til en vindmølle, hvor mindst en tredjedel af den samlede længde, målt fra spids til nav, af vingen omfatter et lag (1,2) langs en udvendig periferi af tværsnittet af vingen, kendetegnet ved at laget (1,2) er mindst delvist udgjort af et antal præfabrikerede pultruderede strimler (1, 2) af et fibrøst kompositmateriale og anbragt i en rækkefølge langs den udvendige periferi, hvor det fibrøse kompositmateriale omfatter en fibervolumenandel fra 50% til 90%, og hvor strimlerne (2) af laget (1,2) er forbundet ved hjælp af resin.
2. Vinge ifølge krav 1, kendetegnet ved at mindst nogle af strimlerne (2) har forlængede strimmeltværsnit i et plan som er vinkelret på længderetningen af vingen, og mindst nogle af disse strimler (2) er indrettet med en kort side af strimmeltværsnittet langs den udvendige periferi af vingens tværsnit.
3. Vinge ifølge krav 1 eller 2, kendetegnet ved at mindst nogle af disse strimler (2) er indrettet med en langside af strimmeltværsnittet i det væsentlige vinkelret til den udvendige periferi af vingens tværsnit.
4. Vinge ifølge krav 1, 2 eller 3, hvor strimlerne af det udvendige lag (1,2) er forbundet ved hjælp af vakuuminfusion af et resin.
5. Vinge ifølge et hvilket som helst af de foregående krav, hvor de pultruderede strimler (2) har en pultrusionsretning i det væsentlige på linje med en længderetning på vingen.
6. Vinge ifølge et hvilket som helst af de foregående krav, hvor det fibrøse kompositmateriale omfatter en fibervolumenandel på fra 60% til 80%.
7. Vinge ifølge et hvilket som helst af de foregående krav, hvor det fibrøse kompositmateriale omfatter en kulfibervolumenandel på fra 50% til 90%
8. Vinge ifølge krav 7, hvor det fibrøse kompositmateriale omfatter en fibervolumenandel fra 60% til 80%.
9. Vinge ifølge et hvilket som helst af de foregående krav, hvor laget (1,2) består mindst delvist af et antal strimler fremstillet af et træmateriale anbragt i en rækkefølge langs den udvendige periferi.
10. Vinge ifølge krav 9, hvor træmaterialet er krydsfiner.
11. Vinge ifølge krav 9, hvor træmaterialet omfatter træfibre holdt i et hærdet resin.
12. Vinge ifølge et hvilket som helst af kravene 9-11, hvor laget (1,2) mindst delvist består af strimler af et træmateriale og strimler af et fibrøst kompositmateriale i en rækkefølge langs den udvendige periferi.
13. Vinge ifølge krav 12, hvor rækkefølgen er en alternerende rækkefølge af strimler af et træmateriale og strimler af et fibrøst kompositmateriale
14. Vinge ifølge et hvilket som helst af de foregående krav, hvor laget er indkapslet i en ydre skal og en indre skal fremstillet af et fibrøst kompositmateriale.
15. Vinge ifølge et hvilket som helst af de foregående krav, hvor belastningsmålingsfibre er indelukket i enten en eller begge af den ydre skal og den indre skal.
16. Vinge ifølge krav 15, hvor belastningsmålingsfibrene er optiske fibre, som findes i tillæg til, alternativt som erstatning for, armeringsfibrene.
17. Vinge ifølge krav 15, hvor belastningsmålingsfibrene er kulfibre, som findes i tillæg til, alternativt som erstatning for, armeringsfibrene.
18. Vinge ifølge et hvilket som helst af de foregående krav, hvor lynbeskyttelsesorgan omfattende lynattraktorer inkorporeres i enten en eller begge skallerne.
19. Vinge ifølge krav 18, hvor lynattraktorerne er forbundet til en bredde af metalnet (11) eller lignende materiale strækkende sig over skallernes fiberarmerede område.
20. Vinge ifølge et hvilket som helst af de foregående krav, hvor et radiofrekvensabsorberende medium inkorporeres i enten en eller begge skallerne.
21. Fremgangsmåde til fremstilling afen præ-fabrikeret strimmel til en vinge ifølge et hvilket som helst af kravene 1-20, idet vingen omfatter et materialelag indrettet langs en ydre omkreds på vingens tværsnit, og idet fremgangsmåden omfatter følgende trin: - at samle mindst to individuelle materialer (1,2) til at udgøre den præfabrikerede strimmel - at vælge mindst en af de mindst to individuelle materialer (1,2) blandt fibrøse kompositmaterialer omfattende en fibervolumenandel på fra 50% til 90% - at indføre de samlede mindst to individuelle materialer (1,2) i en beholder (12) såsom en pose - at tømme beholderen (12), at tilføre et hærdningsresin, og at tillade at resinet hærder, og - at tage den samlede og hærdede strimmel således fremstillet ud af beholderen (12).
22. Fremgangsmåde til fremstilling af en skal til en vinge ifølge et hvilket som helst af kravene 1-20, idet skallen omfatter et materialelag indrettet langs en udvendig periferi af skallens tværsnit, idet laget omfatter præ-fabrikerede stimier, og idet fremgangsmåde omfatter følgende trin: - at påføre et overflademateriale, fortrinsvis en gelcoat, i en form (8) til vingen - eventuelt at påføre et metalnet (11), et glasfibernet og hvilke som helst overførselsmedier (9) - at samle mindst to individuelle materialer (1,2) til at udgøre de præfabrikerede strimler - at vælge mindst et af de mindst to individuelle materialer (1,2) blandt fibrøse kompositmaterialer omfattende en fibervolumenandel på fra 50% til 90% - at placere de mindst to individuelle materialer (1,2) på de andre påførte materialer (10) - at indføre de således påførte individuelle materialer og andre materialer i en beholder (12) - at tømme beholderen (12), at tilføre et hærdningsresin, og at tillade at resinet hærder, og - at tage skallen således fremstillet ud af formen.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DKPA200101125 | 2001-07-19 | ||
| GB0202401A GB0202401D0 (en) | 2002-02-01 | 2002-02-01 | Wind turbine blade |
| EP02787103.7A EP1417409B2 (en) | 2001-07-19 | 2002-07-19 | Wind turbine blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK1520983T3 true DK1520983T3 (da) | 2017-05-15 |
Family
ID=59297475
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK06018665.7T DK1746284T4 (da) | 2001-07-19 | 2002-07-19 | Vindmøllevinge |
| DK17165491.6T DK3219981T3 (da) | 2001-07-19 | 2002-07-19 | Vindmøllevinge |
| DK04029161.9T DK1520983T3 (da) | 2001-07-19 | 2002-07-19 | Vindmøllevinge |
| DK02787103.7T DK1417409T4 (da) | 2001-07-19 | 2002-07-19 | Wind turbine blade |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK06018665.7T DK1746284T4 (da) | 2001-07-19 | 2002-07-19 | Vindmøllevinge |
| DK17165491.6T DK3219981T3 (da) | 2001-07-19 | 2002-07-19 | Vindmøllevinge |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK02787103.7T DK1417409T4 (da) | 2001-07-19 | 2002-07-19 | Wind turbine blade |
Country Status (12)
| Country | Link |
|---|---|
| US (2) | US7198471B2 (da) |
| EP (4) | EP1746284B2 (da) |
| JP (1) | JP2004535527A (da) |
| CN (2) | CN1294353C (da) |
| AT (1) | ATE293755T1 (da) |
| AU (1) | AU2002354986B2 (da) |
| CA (1) | CA2454038C (da) |
| DE (1) | DE60203804T3 (da) |
| DK (4) | DK1746284T4 (da) |
| ES (4) | ES2574779T5 (da) |
| PT (1) | PT1417409E (da) |
| WO (1) | WO2003008800A1 (da) |
Families Citing this family (174)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2002354986B2 (en) | 2001-07-19 | 2006-11-30 | Vestas Wind Systems A/S | Wind turbine blade |
| DE10336461A1 (de) | 2003-08-05 | 2005-03-03 | Aloys Wobben | Verfahren zur Herstellung eines Rotorblattes einer Windenergieanlage |
| US20050186081A1 (en) * | 2004-02-24 | 2005-08-25 | Mohamed Mansour H. | Wind blade spar cap and method of making |
| DK200401225A (da) | 2004-08-13 | 2006-02-14 | Lm Glasfiber As | Metode til afskæring af laminatlag, eksempelvis et glasfiber- eller kulfiber-laminatlag i en vindmöllevinge |
| US7729100B2 (en) | 2004-11-11 | 2010-06-01 | Gamesa Innovation & Technology, S.L. | Lightning conductor system for wind generator blades comprising carbon fibre laminates |
| DK1833660T3 (da) * | 2004-12-29 | 2016-08-29 | Vestas Wind Sys As | Fremgangsmåde til fremstilling af et vindemøllevinge-skalelement med et fastgørelseselement og en vindmøllevinge med et fastgørelseselement |
| MX2007009390A (es) | 2005-02-03 | 2008-02-14 | Vestas Wind Sys As | Metodo para fabricar un miembro de forro de paleta de turbina de viento. |
| EP1856408B1 (en) | 2005-02-22 | 2017-04-05 | Vestas Wind Systems A/S | Wind turbine blade |
| CN101151457B (zh) * | 2005-03-30 | 2013-01-16 | 轻风株式会社 | 风车 |
| US7802968B2 (en) * | 2005-07-29 | 2010-09-28 | General Electric Company | Methods and apparatus for reducing load in a rotor blade |
| TW200726908A (en) * | 2005-10-04 | 2007-07-16 | Arthur Benjamin O Connor | Wind turbine |
| US8402652B2 (en) * | 2005-10-28 | 2013-03-26 | General Electric Company | Methods of making wind turbine rotor blades |
| US7438533B2 (en) * | 2005-12-15 | 2008-10-21 | General Electric Company | Wind turbine rotor blade |
| US7798780B2 (en) * | 2005-12-19 | 2010-09-21 | General Electric Company | Modularly constructed rotorblade and method for construction |
| 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 |
| US7517198B2 (en) * | 2006-03-20 | 2009-04-14 | Modular Wind Energy, Inc. | Lightweight composite truss wind turbine blade |
| JP4699255B2 (ja) * | 2006-03-24 | 2011-06-08 | 三菱重工業株式会社 | 風車翼 |
| US20070251090A1 (en) * | 2006-04-28 | 2007-11-01 | General Electric Company | Methods and apparatus for fabricating blades |
| US7654799B2 (en) * | 2006-04-30 | 2010-02-02 | General Electric Company | Modular rotor blade for a wind turbine and method for assembling same |
| DE102006022279B4 (de) * | 2006-05-11 | 2016-05-12 | Aloys Wobben | Rotorblatt für eine Windenergieanlage |
| US20090211223A1 (en) * | 2008-02-22 | 2009-08-27 | James Shihfu Shiao | High efficient heat engine process using either water or liquefied gases for its working fluid at lower temperatures |
| US20090044535A1 (en) * | 2006-06-12 | 2009-02-19 | Daw Shien Scientific Research And Development, Inc. | Efficient vapor (steam) engine/pump in a closed system used at low temperatures as a better stirling heat engine/refrigerator |
| US20090249779A1 (en) * | 2006-06-12 | 2009-10-08 | Daw Shien Scientific Research & Development, Inc. | Efficient vapor (steam) engine/pump in a closed system used at low temperatures as a better stirling heat engine/refrigerator |
| US20080296906A1 (en) * | 2006-06-12 | 2008-12-04 | Daw Shien Scientific Research And Development, Inc. | Power generation system using wind turbines |
| MX2009000466A (es) * | 2006-07-14 | 2009-03-13 | Vestas Wind Sys As | Turbina eolica que comprende una estructura de gabinete para formar una jaula de faraday. |
| CN100412356C (zh) * | 2006-08-31 | 2008-08-20 | 东莞中德风电能源有限公司 | 风能发电机的叶片的制造方法 |
| US20100231434A1 (en) * | 2006-09-22 | 2010-09-16 | Jonathan Pinto | Structure |
| CN101646865B (zh) * | 2006-12-15 | 2013-01-09 | 布拉德纳公司 | 加强的空气动力学型材 |
| DK2104785T3 (da) | 2007-01-16 | 2014-10-13 | Bladena Aps | Forstærket vindturbineblad |
| CN101589227B (zh) | 2007-01-25 | 2014-11-26 | 布拉德纳公司 | 用于风力涡轮机的加强叶片 |
| US20100068065A1 (en) * | 2007-01-29 | 2010-03-18 | Find Molholt Jensen | Wind turbine blade |
| DK2122162T3 (da) * | 2007-02-19 | 2017-08-21 | Vestas Wind Sys As | Vindmøllerotorvinge og fremgangsmåde til fremstilling af sådan rotorvinge |
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2002
- 2002-07-19 AU AU2002354986A patent/AU2002354986B2/en not_active Expired
- 2002-07-19 EP EP06018665.7A patent/EP1746284B2/en not_active Expired - Lifetime
- 2002-07-19 PT PT02787103T patent/PT1417409E/pt unknown
- 2002-07-19 ES ES06018665T patent/ES2574779T5/es not_active Expired - Lifetime
- 2002-07-19 ES ES02787103.7T patent/ES2240828T5/es not_active Expired - Lifetime
- 2002-07-19 EP EP04029161.9A patent/EP1520983B1/en not_active Revoked
- 2002-07-19 CA CA002454038A patent/CA2454038C/en not_active Expired - Fee Related
- 2002-07-19 ES ES04029161.9T patent/ES2624620T3/es not_active Expired - Lifetime
- 2002-07-19 DE DE60203804.9T patent/DE60203804T3/de not_active Expired - Lifetime
- 2002-07-19 WO PCT/DK2002/000506 patent/WO2003008800A1/en active IP Right Grant
- 2002-07-19 EP EP02787103.7A patent/EP1417409B2/en not_active Expired - Lifetime
- 2002-07-19 DK DK06018665.7T patent/DK1746284T4/da active
- 2002-07-19 DK DK17165491.6T patent/DK3219981T3/da active
- 2002-07-19 US US10/483,963 patent/US7198471B2/en not_active Expired - Lifetime
- 2002-07-19 DK DK04029161.9T patent/DK1520983T3/da active
- 2002-07-19 ES ES17165491T patent/ES2895673T3/es not_active Expired - Lifetime
- 2002-07-19 CN CNB028145437A patent/CN1294353C/zh not_active Expired - Lifetime
- 2002-07-19 EP EP17165491.6A patent/EP3219981B1/en not_active Expired - Lifetime
- 2002-07-19 JP JP2003514114A patent/JP2004535527A/ja active Pending
- 2002-07-19 AT AT02787103T patent/ATE293755T1/de not_active IP Right Cessation
- 2002-07-19 CN CN2006101670203A patent/CN1975152B/zh not_active Expired - Lifetime
- 2002-07-19 DK DK02787103.7T patent/DK1417409T4/da active
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2007
- 2007-04-02 US US11/730,463 patent/US7503752B2/en not_active Expired - Lifetime
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