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1. (WO2015114100) WIND TURBINE BLADE WITH IMPROVED FIBRE TRANSITION
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2015/114100    International Application No.:    PCT/EP2015/051951
Publication Date: 06.08.2015 International Filing Date: 30.01.2015
IPC:
B29D 99/00 (2010.01), B29C 70/30 (2006.01), F03D 1/06 (2006.01), B29L 31/08 (2006.01)
Applicants: LM WP PATENT HOLDING A/S [DK/DK]; Jupitervej 6 DK-6000 Kolding (DK)
Inventors: JØRGENSEN, Jeppe Bjørn; (DK).
KILDEGAARD, Casper; (DK).
JESPERSEN, Klavs; (DK)
Agent: KITCHEN, Steven Richard; (DK)
Priority Data:
14153439.6 31.01.2014 EP
Title (EN) WIND TURBINE BLADE WITH IMPROVED FIBRE TRANSITION
(FR) PALE D'ÉOLIENNE À TRANSITION FIBREUSE AMÉLIORÉE
Abstract: front page image
(EN)A wind turbine blade (10) having a transition between two reinforcement fibre types is described. A gradual transition is provided by a combined double-tapered thickness section (175, 185) with first type reinforcement fibres (173, 183) sandwiched between second type reinforcement fibres (174, 184) or vice versa. The double-tapering is provided during layup and that the reinforcement material is impregnated with a polymer resin and then cured or hardened so that the two types of reinforcement fibres are embedded in a common polymer matrix.
(FR)Cette invention concerne une pale d'éolienne (10) comportant une transition entre deux types de fibres de renfort. Une transition progressive est créée par combinaison d'une section ayant une épaisseur biconique (175, 185) à base de fibres de renfort d'un premier type (173, 183) prise en sandwich entre des fibres de renfort d'un second type (174, 184) ou inversement. La biconicité est produite lors de la superposition et le matériau de renfort soit imprégné avec une résine polymère, puis polymérisé ou durci de façon que les deux types de fibres de renfort soient noyés dans une matrice polymère commune.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)