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1. (WO2005017351) VARIABLE DIAMETER ROTOR
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2005/017351 International Application No.: PCT/US2003/023748
Publication Date: 24.02.2005 International Filing Date: 29.07.2003
IPC:
F03D 7/02 (2006.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03
MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
D
WIND MOTORS
7
Controlling wind motors
02
the wind motors having rotation axis substantially in wind direction
Applicants: GENERAL ELECTRIC COMPANY[US/US]; 1 River Road Schenectady, NY 12345, US
Inventors: JAMIESON, Peter, McKeich; GB
HORNZEE-JONES, Chris; GB
MOROZ, Emilian, M.; US
BLAKEMORE, Ralph, W.; US
Agent: MALLIE, Michael, J. ; Blakely, Sokoloff, Taylor & Zafman, LLP 12400 Wilshire Boulevard, 7th Floor Los Angeles, CA 90025, US
Priority Data:
Title (EN) VARIABLE DIAMETER ROTOR
(FR) ROTOR A DIAMETRE VARIABLE
Abstract:
(EN) A system and method for changing wind turbine rotor diameters to meet changing wind speeds and control system loads is disclosed. The rotor blades on the wind turbine are able to adjust length by extension nested within or containing the base blade. The blades can have more than one extension in a variety of configurations. A cable winching system, a hydraulic system, a pneumatic system, inflatable or eleastic extensions, and a spring-loaded jack knife deployment are some of the methods of adjustment. The extension is also protected from lightening by a grounding system.
(FR) L'invention concerne un système et un procédé de changement du diamètre du rotor d'une éolienne en fonction des changements de vitesse du vent et des charges du système de commande. Les pales de rotor sur l'éolienne peuvent régler la longueur par des extensions logées dans la pale de base ou la contenant. Les pales peuvent posséder une ou plusieurs extensions selon une variété de configurations. Un système de treuillage, un système hydraulique, un système pneumatique, des extensions gonflables ou élastiques et un déploiement en portefeuille à ressort, sont utilisés dans les méthodes de réglage. L'extension est également protégée de la foudre par un système de mise à la terre.
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Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NO, NZ, OM, PH, PL, PT, RO, RU, SD, SE, SG, SK, SL, TJ, TM, TN, TR, TT, TZ, UA, UG, UZ, VN, YU, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (GH, GM, KE, LS, MW, MZ, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IT, LU, MC, NL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)