A Pitch Controlled Wind Turbine Blade, A Wind Turbine And Use Hereof - EP1886016

The patent EP1886016 was granted to Vestas Wind Systems on May 10, 2017. The application was originally filed on May 17, 2005 under application number EP05739534A. The patent is currently recorded with a legal status of "Revoked".

EP1886016

VESTAS WIND SYSTEMS
Application Number
EP05739534A
Filing Date
May 17, 2005
Status
Revoked
Nov 23, 2022
Grant Date
May 10, 2017
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (4)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateOpposition Status

Get instant alerts for new oppositions and patent status changes

LM WIND POWERFeb 12, 2018ADMISSIBLE
NORDEX ENERGYFeb 9, 2018WITHDRAWN
SIEMENS GAMESA RENEWABLE ENERGYFeb 8, 2018ADMISSIBLE
SUZLON ENERGYFeb 7, 2018ADMISSIBLE

Patent Citations (16) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication NumberPublication Link
EXAMINATIONGB2186033
INTERNATIONAL-SEARCH-REPORTUS4584486
INTERNATIONAL-SEARCH-REPORTWO0015961
INTERNATIONAL-SEARCH-REPORTWO0116482
INTERNATIONAL-SEARCH-REPORTWO2004099608
OPPOSITIONGB2186033
OPPOSITIONJP2003254225
OPPOSITIONUS4522564
OPPOSITIONUS4584486
OPPOSITIONUS6619918
OPPOSITIONWO0015961
OPPOSITIONWO0116482
OPPOSITIONWO0208600
OPPOSITIONWO2004099608
OPPOSITIONWO2005028305
OPPOSITIONWO2006122547

Non-Patent Literature (NPL) Citations (35) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
INTERNATIONAL-SEARCH-REPORT- BRAUN K A ET AL, "NOISE REDUCTION BY USING SERRATED TRAILING EDGES", EUROPEAN WIND ENERGY CONFERENCE, (199710), pages 472 - 475, XP001127497 [A] 1,2,7,9,10,14-16,19,20,1,2,7,9,10,14-16,19,20,1,2,7,9,10,14-16,19,20 * the whole document * * the whole document * * the whole document *-
OPPOSITION- ARTIKEL BRAUN et al., "Noise reduction by using serrated trailing edges", European wind energy conference, Dublin, (19971000), pages 472 - 475, XP001127497-
OPPOSITION- B.J. WENDT et al., "Measurements and modelling of flow structure in the wake of a low profile ''Wishbone'' vortex generator", NASA Technical memorandum 106468, (19940100), pages 1 - 9, XP055464803-
OPPOSITION- BRAUN K. A. et al., "Noise reduction by using serrated trailing edges", European Wind Energy Conference, (19971000), pages 472 - 475, XP001127497-
OPPOSITION- Corton G P, "Flow Separation on Wind Turbine Blades", Dissertation, (20010000), XP055390593-
OPPOSITION- DAYTON A. GRIFFIN, "Investigation of Vortex Generators for Augmentation of Wind Turbine Power Performance", (19961200), XP055390597-
OPPOSITION- DAYTON A. GRIFFIN, "Investigation of vortex generators for augmentation of wind turbine power performance", National Renewable Energy Laboratory, (19961200), XP055390597-
OPPOSITION- ERICH HAU, Windkraftanlagen - Grundlagen, Tecnik, Einsatz, Wirtschaftlichkeit, 3. Auflage, (20030000), pages 65-78, 100 - 119, 266-277, XP055464350-
OPPOSITION- GASCH et al., Wind Power Plants - Fundamentals, design, construction and operation, (20020000), pages 336 - 339, XP055464356-
OPPOSITION- G.E. MILLER, "Comparative performance tests on the MOD-2, 2.5- MW wind turbine with and without vortex generators", Boeing Aerospace Company, (19840500), pages 67 - 77, XP055463882-
OPPOSITION- G E Miller, "COMPARATIVE PERFORMANCE TESTS ON THE MOD-2, 2.5-MW WIND TURBINE WITH AND WITHOUT VORTEX GENERATORS", NASA Technical Report N95-27978, (19950501), pages 67 - 77, XP055464339-
OPPOSITION- Gustave CORTEN, "Optimization of Vortex Generator Locations", 13th IEA Expert Meeting Stockholm, (19991129), pages 1 - 4, XP003035275-
OPPOSITION- G.W. GYATT, "Development and Testing of Vortex Generators for Small Horizontal Axis Wind Turbines", DOE/NASA/0367-1, (19860700), XP000861589-
OPPOSITION- G.W. GYATT, "Development and testing of vortex generators for small horizontal axis wind turbines", NATIONAL AERONAUTICS AND SPACE ADMINISTRATION, (19860700), XP000861589-
OPPOSITION- GYATT G W, "DEVELOPMENT AND TESTING OF VORTEX GENERATORS FOR SMALL HORIZONTAL AXIS WIND TURBINES", DOE/NASA/0367-1, (19860700), XP000861589-
OPPOSITION- HARVEY H. HUBBARD et al., "The effects of blade mounted vortex generators on the noise from a MOD-2 wind turbine generator", NASA Contractor Report NASA CR-172292, (19840200), XP055463884-
OPPOSITION- HAU, "AERODYNAMIK DES ROTORS", Windkraftanlagen, (20030000), pages 112 - 113, XP055464068-
OPPOSITION- HUBBARD et al., "The effects ofblade mounted vortex generators on the noisefrom Mod-2 wind turbine generator", NASA Contractor Report NASA CR-172292, (19840200), XP055463884-
OPPOSITION- I.G. NIKOLAOU et al., "Modelling the flow around airfoils equipped with vortex generators using a modified 2D Navier-Stokes solver", Journal of Solar Energy Engineering, (20050500), vol. 127, pages 223 - 233, XP055464796-
OPPOSITION- JOHANSEN et al., "KNOW-BLADE Task -3.3 report: Rotor Blade Computations with 3D Vortex Generators", Riso National Laboratory, (20050100), pages 1 - 66, XP055464729-
OPPOSITION- KAZUHIRO KUSUNOSE et al., "Vortex generator installation drag on an airplane near its cruise condition", Journal Of Aircraft, (20031200), vol. 40, no. 6, pages 1145 - 1151, XP001185535-
OPPOSITION- KEVIN P. SHEPERD et al., "Environmental noise characteristics of the MOD5-B (3.2 MW ) wind turbine generator", NASA, (19890300), pages 1 - 27, XP055464837-
OPPOSITION- KEVIN P. SHEPERD et al., "Environmental Noise Characteristics Of The Mod5-B (3.2 MW ) Wind Turbine Generator", NASA Technical Memorandum 101567, (19890300), XP055464924-
OPPOSITION- KRISTIAN ANGELE, "Experimental studies of turbulent boundary layer separation and control", Doctoral thesis, (20030000), XP055464829-
OPPOSITION- MILLER, "Comparative Performance Tests on the MOD-2 2.5 MW Wind Turbine with and without vortex generators", Department of Energy, NASA, Cleveland, Ohio, (19840508), pages 68 - 77, XP055463882-
OPPOSITION- PETER FUGLSANG et al., "Design and verification of the Ris0-B1 airfoil family for wind turbines", Transactions of ASME, (20041100), vol. 126, pages 1002 - 1010, XP055430802-
OPPOSITION- PETER FUGLSANG et al., "Wind tunnel tests of the FFA-W3-241, FFA-W3-301 and NACA 63-430 airfoils", Riso National Laboratory, (19981200), XP055464772-
OPPOSITION- R.D. CORRIGAN et al., "Vortex Generators As A Means For Increasing Rotor Performance", (19850100), XP008079786-
OPPOSITION- SULLIVAN, "Effect of Vortex Generators on the Power Conversion Performance and Structural Dynamics Loads of the Mod-2 Wind Turbine", NASA TM-83680, (19840600), XP055463873-
OPPOSITION- TIMMER et al., "Summary of the Delft University wind turbine dedicated airfoils", AIAA, (20030000), XP055464070-
OPPOSITION- Vaughn Nelson, William Pinkerton And R. Nolan Clark, "Power Variation with Pitch Setting for a Horizontal Axis Wind Turbine", Wind Engineering, (19850000), vol. 9, no. 2, pages 88 - 94, XP055464346-
OPPOSITION- PETER FUGLSANG et al., "Development of the Ris0 wind turbine airfoils", Wind Energy, (20040700), vol. 7, no. 2, pages 145 - 162, XP002436915
OPPOSITION- AFJEH et al., "Predicted aerodynamic Performance of a horizontal-axis wind turbine equipped with vortex generators", Journal of Wind Engineering and Industrial Aerodynamics, (19900000), vol. 33, no. 3, pages 515 - 529, XP000920966
OPPOSITION- JOHN C. LIN, "Review of research on low-profile vortex generators to control boundary-layer separation", Progress in Aerospace Sciences, (20020000), vol. 38, pages 389 - 420, XP008054584
OPPOSITION- JOHN C. LIN, "Review Of Research On Low-Profile Vortex Generators To Control Boundary-Layer Separation", Progress in Aerospace Sciences, (20020000), vol. 38, pages 389 - 420, XP008054584

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

Dossier Documents

The dossier documents provide a comprehensive record of the patent’s prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination.

  • Date

    Description

  • Get instant alerts for new documents