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1. WO2007138136 - WIND GENERATOR BLADE WITH DIVERGENT TRAILING EDGE

Publication Number WO/2007/138136
Publication Date 06.12.2007
International Application No. PCT/ES2007/000312
International Filing Date 29.05.2007
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
F03D 11/00 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
11Details, component parts, or accessories not provided for in, or of interest apart from, the other groups of this subclass
F03D 7/02 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
7Controlling wind motors
02the wind motors having rotation axis substantially parallel to the air flow entering the rotor
CPC
F03D 1/0608
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
0608characterised by their form
F03D 1/0641
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
0608characterised by their form
0633of the blades
0641of the section profile of the blades
F03D 7/0244
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
7Controlling wind motors
02the wind motors having rotation axis substantially parallel to the air flow entering the rotor
0244for braking
F03D 7/0256
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
7Controlling wind motors
02the wind motors having rotation axis substantially parallel to the air flow entering the rotor
0256Stall control
F03D 80/00
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
80Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
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
Applicants
  • GAMESA INNOVATION & TECHNOLOGY, S.L. [ES]/[ES] (AllExceptUS)
  • SLOT, Mark, Olaf [DK]/[DK] (UsOnly)
Inventors
  • SLOT, Mark, Olaf
Priority Data
P20060144431.05.2006ES
Publication Language Spanish (ES)
Filing Language Spanish (ES)
Designated States
Title
(EN) WIND GENERATOR BLADE WITH DIVERGENT TRAILING EDGE
(ES) PALA DE AEROGENERADOR CON BORDE DE SALIDA DIVERGENTE
(FR) PALE D'AÉROGÉNÉRATEUR AVEC BORD DE FUITE DIVERGENT
Abstract
(EN)
Wind generator blade having an aerodynamic profile (5) with a leading edge (11), a trailing edge (13) and pressure and suction sides (19, 17) between the leading edge (11) and the trailing edge (13) which in at least one part of the wind generator blade has a region of the trailing edge (TER) whose transverse cross-section increases in the direction of the trailing edge (13). Preferably this region of the trailing edge (TER) has a 'divergent' shape, with a concave curved surface in its lower part.
(ES)
Pala de aerogenerador de perfil aerodinámico (5) con un borde de ataque (11), un borde de salida (13) y lados de presión y de succión (19, 17) entre el borde de ataque (11) y el borde de salida (13) que tiene en al menos una parte de Ia pala del aerogenerador una región del borde de salida (TER) cuya sección transversal se incrementa en Ia dirección del borde de salida (13). Preferentemente esa región del borde de salida (TER) tiene una forma 'divergente' con una superficie curvada cóncava en su parte inferior.
(FR)
L'invention concerne une pale d'aérogénérateur présentant un profil aérodynamique (5) avec un bord d'attaque (11), un bord de fuite (13) et des côtés de pression et de succion (19, 17) entre le bord d'attaque (11) et le bord de fuite (13). L'invention se caractérise par le fait que le profil aérodynamique (5) comprend, dans au moins une partie de la pale de l'aérogénérateur, une région du bord de fuite (TER) dont la succion transversale augmente en direction du bord de fuite (13). De préférence, cette région du bord de fuite (TER) présente une forme 'divergente' avec une surface incurvée, concave, dans sa partie inférieure.
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