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1. WO2010049560 - A MULTIPLE-PANEL WIND GENERATOR BLADE WITH IMPROVED JOINTS ALONG THE TRAILING EDGE

Publication Number WO/2010/049560
Publication Date 06.05.2010
International Application No. PCT/ES2009/070458
International Filing Date 26.10.2009
IPC
F03D 1/06 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
DWIND MOTORS
1Wind motors with rotation axis substantially parallel to the air flow entering the rotor
06Rotors
CPC
F03D 1/065
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
DWIND MOTORS
1Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
06Rotors
065characterised by their construction, i.e. structural design details
F03D 1/0683
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
DWIND MOTORS
1Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
06Rotors
065characterised by their construction, i.e. structural design details
0675of the blades
0683of the section profile of the blades
F05B 2230/23
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
2230Manufacture
20essentially without removing material
23by permanently joining parts together
F05B 2230/50
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
2230Manufacture
50Building or constructing in particular ways
F05B 2240/301
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
2240Components
20Rotors
30Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
301Cross-section characteristics
Y02E 10/72
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
10Energy generation through renewable energy sources
70Wind energy
72Wind turbines with rotation axis in wind direction
Applicants
  • GAMESA INNOVATION & TECHNOLOGY, S.L. [ES]/[ES] (AllExceptUS)
  • GARCIA VIDORRETA, Enrique [ES]/[ES] (UsOnly)
Inventors
  • GARCIA VIDORRETA, Enrique
Priority Data
P20080306328.10.2008ES
Publication Language Spanish (ES)
Filing Language Spanish (ES)
Designated States
Title
(EN) A MULTIPLE-PANEL WIND GENERATOR BLADE WITH IMPROVED JOINTS ALONG THE TRAILING EDGE
(ES) UNA PALA DE AEROGENERADOR MULTI-PANEL CON UNIONES MEJORADAS EN EL BORDE DE SALIDA
(FR) PALE D'ÉOLIENNE À PANNEAUX MULTIPLES PRÉSENTANT DES LIAISONS AMÉLIORÉES SUR LE BORD DE FUITE
Abstract
(EN)
A multiple-panel wind generator blade with improved joints along the trailing edge, having an aerodynamic profile along a leading edge (3), a trailing edge (5) and pressure and suction sides (7, 9) between the leading edge (3) and the trailing edge (5), in which the cross-section of the edges of the prefabricated panels (31, 41) arranged on the pressure and suction side has a variable geometry in the zone of the trailing edge (5) along the blade, with at least a first section (21) of the blade including its tip, and in which the configuration of the edges of said panels (31, 41) includes co-operating flat surfaces (33, 43; 34, 44; 35, 45) for facilitating bonding thereof along the trailing edge (5). This variable geometry includes the possibility of using a third panel (51) along a section of the blade close to its root.
(ES)
Una pala de aerogenerador multi-panel con uniones mejoradas en el borde de salida, de perfil aerodinámico con un borde de ataque (3), un borde de salida (5) y lados de presión y de succión (7, 9) entre el borde de ataque (3) y el borde de salida (5), en la que la sección transversal de los bordes de los paneles prefabricados (31, 41) dispuestos en el lado de presión y succión tiene una geometría variable en la zona del borde de salida (5) a lo largo de la pala, con al menos al menos una primera sección (21) de la pala incluyendo su punta, en la que la que configuración de los bordes de dichos paneles (31, 41) incluye unas superficies aplanadas cooperantes (33, 43; 34, 44; 35, 45) para facilitar su unión adhesivada a lo largo del borde de salida (5). Esa geometría variable incluye la posibilidad de utilizar un tercer panel (51) en una sección de la pala próxima a su raíz.
(FR)
L'invention concerne une pale d'éolienne à panneaux multiples présentant des liaisons améliorées sur le bord de fuite, un profil aérodynamique sur le bord d'attaque (3), un bord de fuite (5) et des côtés de pression et d'aspiration (7, 9) entre le bord d'attaque (3) et le bord de fuite (5), dans laquelle la section transversale des bords des panneaux préfabriqués (31, 41) disposés sur le côté de pression et d'aspiration présente une géométrie variable dans la zone du bord de fuite (5) le long de la pale, avec au moins une première section (21) de la pale comprenant sa pointe, dans laquelle la configuration des bords desdits panneaux (31, 41) présente des surfaces planes coopérantes (33, 43; 34, 44; 35, 45) pour faciliter leur liaison par adhérence le long du bord de fuite (5). Cette géométrie variable permet d'utiliser un troisième panneau (51) dans une section de la pale proche de sa racine.
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