A Device Subjecting A Wind Turbine Blade To Force And A System For Fatigue Testing Of The Blade - EP4143526

The patent EP4143526 was granted to LM Wind Power on Apr 17, 2024. The application was originally filed on Apr 29, 2021 under application number EP21723670A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4143526

LM WIND POWER
Application Number
EP21723670A
Filing Date
Apr 29, 2021
Status
Granted And Under Opposition
Mar 15, 2024
Publication Date
Apr 17, 2024
External Links
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WOBBEN PROPERTIESJan 17, 2025EISENFUHR SPEISERADMISSIBLE

Patent Citations (8) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTCN107110736B
INTERNATIONAL-SEARCH-REPORTUS2016018284
INTERNATIONAL-SEARCH-REPORTWO2009135136
OPPOSITIONDE102012205153
OPPOSITIONDE102018218515
OPPOSITIONEP3874248
OPPOSITIONUS2006037402
OPPOSITIONWO2004005879

Non-Patent Literature (NPL) Citations (11) New

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

Citation PhaseReference Text
EXAMINATION- Nathan L Post, "Fatigue Test Design: Scenarios for Biaxial Fatigue Testing of a 60-Meter Wind Turbine Blade", Technical Report NREL/TP-5000-65227 July 2016, (20160731), URL: https://www.researchgate.net/profile/Nathan_Post/publication/306253195_Fatigue_Test_Design_Scenarios_for_Biaxial_Fatigue_Testing_of_a_60-Meter_Wind_Turbine_Blade/links/57b47c8b08aeaab2a1039299/Fatigue-Test-Design-Scenarios-for-Biaxial-Fatigue-Testing-of-a-60-Meter-Wind-Turbine-Blade.pdf, (20200109), XP055656172
OPPOSITION- Bürkner Falko, Alexandros Antoniou, "Better Blade - Entwicklung eines optimierten, innovativen Prufverfahrens zur Zertifizierung von Rotorblattern heutiger und zukunftiger Windenergieanlagen fur den Zeitraum 09/2009 bis 07 /2013 (IWES-Bericht Nr. IWES-B-A709011-09_v01)", Endbericht zum Projekt ,,Better Blade", Fraunhofer-lnstitut fur Windenergie und Energiesystemtechnik, (20140323), pages 1 - 106, Endbericht zum Projekt ,,Better Blade", URL: https://www.iwes.fraunhofer.de/, XP093257723
OPPOSITION- Bürkner Falko, "Biaxial Dynamic Fatigue Tests of Wind Turbine Blades", Phd thesis (presentation), Fakultät für Bauingenieurwesen und Geodäsie der Gottfried Wilhelm Leibniz Universität Hannover, (20201030), pages 1 - 39, Phd thesis (presentation), XP093257700
OPPOSITION- D6a - E-Mail dated 28 October 2020 of Falko Bürkner regarding invitation to his online presentation of his thesis on 30 October 2020
OPPOSITION- Falko Bürkner and Arno van Wiingerde, "Testing of Rotor Blades", Proceedings of the 8th International Conference on Structural Dynamics, EURODYN 2011 : Leuven, Belgium, 4 - 6 July 2011, (20110706), ISBN 978-90-760-1931-4, pages 3511 - 3517, XP009559996
OPPOSITION- Fraunhofer Iwes, "Better together: Biaxial rotor blade testing - New methods for more realistic test loads", (20200608), URL: https://www.youtube.com/watch?v=6uhtzmu3Pvg, XP093257746
OPPOSITION- Wenxian Yang, "Testing and Condition Monitoring of Composite Wind Turbine Blades", (20131220), URL: http://www.academicpub.org/amsa/file/AMSA Book/Chapter -9.pdf, (20170601), XP055377909
OPPOSITION- White Darris, "New Method for Dual-Axis Fatigue Testing of Large Wind Turbine Blades Using Resonance Excitation and Spectral Loading", Technical Report: NREL/TP-500-35268, National Renewable Energy Laboratory, (20040401), pages 1 - 195, Technical Report: NREL/TP-500-35268, URL: https://www.nrel.gov/docs/fy04osti/35268.pdf, XP093257739
OPPOSITION- White D, Musial W, Engberg S, "Evaluation of the New B-REX Fatigue Testing System for Multi-Megawatt Wind Turbine Blades", Preprint: To be presented at the 43rd AIAA Aerospace Sciences Meeting and Exhibit Reno, Nevada January 10-13, 2005, National Renewable Energy Laboratory, (20041201), pages 1 - 14, Preprint: To be presented at the 43rd AIAA Aerospace Sciences Meeting and Exhibit Reno, Nevada January 10-13, 2005 , URL: https://www.nrel.gov/docs/fy05osti/37075.pdf, XP093257735
OPPOSITION- Melcher David, Rosemann Heiko, Haller Bernd, Neßlinger Sebastian, Petersen Enno, Rosemeier Malo, "Proof of concept: elliptical biaxial rotor blade fatigue test with resonant excitation", IOP Conference Series: Materials Science and Engineering, Institute of Physics Publishing Ltd., GB, GB , (20201001), vol. 942, no. 1, doi:10.1088/1757-899X/942/1/012007, ISSN 1757-8981, page 012007, XP093257730
OPPOSITION- Bürkner Falko, "Biaxial Dynamic Fatigue Tests of Wind Turbine Blades", Dissertation, Fakultät für Bauingenieurwesen und Geodäsie der Gottfried Wilhelm Leibniz Universität Hannover, (20201030), pages 1 - 193, doi:10.15488/10903, XP093257689

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