ES1116331U - Horizontal axis wind turbine. (Machine-translation by Google Translate, not legally binding) - Google Patents

Horizontal axis wind turbine. (Machine-translation by Google Translate, not legally binding) Download PDF

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Publication number
ES1116331U
ES1116331U ES201430819U ES201430819U ES1116331U ES 1116331 U ES1116331 U ES 1116331U ES 201430819 U ES201430819 U ES 201430819U ES 201430819 U ES201430819 U ES 201430819U ES 1116331 U ES1116331 U ES 1116331U
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Spain
Prior art keywords
blades
contour
wind turbine
open
horizontal axis
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Granted
Application number
ES201430819U
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Spanish (es)
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ES1116331Y (en
Inventor
Pedro ORTIN CANO
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Individual
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Individual
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

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Abstract

Horizontal axis wind turbine, comprising a series of radial blades (1) that are attached to a central axis (2) horizontal, supported by a vertical column (3), characterized in that the radial blades (1) are laminar structure and define in its internal end an open curved contour (11), in the form of c from the one that has an oblique section that progressively reduces said contour and the width of the blades, until reaching the end (18) thereof. (Machine-translation by Google Translate, not legally binding)

Description

AEROGENERADOR DE EJE HORIZONTAL AEROGENERATOR OF HORIZONTAL AXIS

Campo de la invención Field of the Invention

5 La presente invención se refiere a un aerogenerador de eje horizontal, del tipo que comprende una serie de palas radiales que van unidas a un eje central horizontal, el cual está montado sobre una columna o estructura soporte vertical. The present invention relates to a horizontal axis wind turbine, of the type comprising a series of radial blades that are attached to a horizontal central axis, which is mounted on a vertical support column or structure.

Antecedentes de la invención Background of the invention

10 En los aerogeneradores del tipo expuesto las palas radiales son de sección abierta a todo lo largo de las mismas, de gran longitud y con un perfil ligeramente alabeado, lo cual no permite lograr el máximo aprovechamiento de la acción del viento. 10 In wind turbines of the exposed type, the radial blades are open section all along them, of great length and with a slightly warped profile, which does not allow maximum use of the wind action.

15 Descripción de la invención Description of the invention

La presente invención tiene por objeto un aerogenerador del tipo antes expuesto, en el que las palas están constituidas de modo que ofrezcan una elevada resistencia a la circulación del viento y con ello un elevado rendimiento como aerogenerador. The present invention aims at a wind turbine of the type described above, in which the blades are constituted so as to offer a high resistance to wind circulation and thereby a high performance as a wind turbine.

20 Para ello, de acuerdo con la invención, las palas son de estructura laminar, constituidas por una pared resistente que delimita en el extremo interno de la pala un contorno curvo abierto, en forma de C adyacente al punto de unión con el eje central horizontal. Este contorno se abre y reduce progresivamente hacia el extremo externo For this purpose, according to the invention, the blades are of laminar structure, constituted by a sturdy wall that delimits at the inner end of the blade a curved open contour, in the form of C adjacent to the point of union with the horizontal central axis . This contour opens and reduces progressively towards the outer end

25 de la pala, al mismo tiempo que se reduce, también de forma progresiva, la anchura de la pared de la pala, definiendo el borde longitudinal una sección oblicua a partir del contorno curvo abierto que conforma el extremo interno de dicha pala. 25 of the blade, while also gradually reducing the width of the blade wall, the longitudinal edge defining an oblique section from the open curved contour that forms the inner end of said blade.

Según una forma preferida de realización, la pared que conforma cada pala es de According to a preferred embodiment, the wall that forms each blade is of

30 contorno triangular, dos de cuyos vértices van atravesados por el eje central horizontal, conformando el lado limitado entre dichos vértices el contorno curvo abierto en forma de C que define el borde interno de las palas. Los otros dos lados del contorno triangular definen la sección longitudinal oblicua de la pared de la pala que abre progresivamente el contorno curvo abierto y reduce la anchura de dicha pared, 30 triangular contour, two of whose vertices are crossed by the horizontal central axis, the limited side between said vertices forming the C-shaped open curved contour that defines the inner edge of the blades. The other two sides of the triangular contour define the oblique longitudinal section of the blade wall that progressively opens the open curved contour and reduces the width of said wall,

35 hasta alcanzar el extremo externo de la pala, constituido por el vértice limitado entre estos dos lados. 35 until reaching the outer end of the blade, constituted by the limited vertex between these two sides.

Preferentemente la pared a partir de la que se conforma cada pala será de un contorno triangular recto y se prolongan, a partir de uno de los catetos y a todo lo largo del mismo, en una franja rectangular, uno de cuyos lados transversales queda Preferably the wall from which each blade is formed will be of a straight triangular contour and extend, starting from one of the legs and all along it, in a rectangular strip, one of whose transverse sides is

5 alineado con el otro cateto, para determinar en conjunto el contorno curvo abierto del extremo interno de las palas. 5 aligned with the other leg, to determine together the open curved contour of the inner end of the blades.

Las piezas laminares que conforman las palas van relacionadas entre sí a través de una placa central de unión, que a su vez se fijará al eje central horizontal. The laminar pieces that make up the blades are related to each other through a central joining plate, which in turn will be fixed to the horizontal central axis.

10 Breve descripción de los dibujos 10 Brief description of the drawings

En los dibujos adjuntos se muestra una posible forma de realización, dada a título de ejemplo no limitativo, siendo: The attached drawings show a possible embodiment, given as a non-limiting example, being:

- -
La figura 1 un alzado frontal de un aerogenerador de tres palas constituido de acuerdo con la invención. Figure 1 a front elevation of a three-blade wind turbine constituted according to the invention.

- -
La figura 2 una perspectiva de una de las palas que componen el Figure 2 a perspective of one of the blades that make up the

aerogenerador de la figura 1. 20 -La figura 3 corresponde al desarrollo de la pala de la figura 2. wind turbine of figure 1. 20 - Figure 3 corresponds to the development of the blade of figure 2.

--
La figura 4 muestra en alzado frontal la disposición del desarrollo de las palas del aerogenerador de la figura 1, antes del conformado de las mismas. Figure 4 shows in front elevation the arrangement of the development of the blades of the wind turbine of Figure 1, before forming them.

--
Las figuras 5 y 6 son vistas similares a la figura 4, mostrando otras tantas Figures 5 and 6 are views similar to Figure 4, showing as many

posibles variantes de ejecución. 25 Possible execution variants. 25

Descripción detallada de un modo de realización Detailed description of one embodiment

En la figura 1 se muestra un aerogenerador de eje horizontal, constituido de acuerdo con la invención, el cual está compuesto por tres palas (1) radiales que van montadas Figure 1 shows a horizontal axis wind turbine, constituted according to the invention, which is composed of three radial blades (1) that are mounted

30 sobre un eje central horizontal (2) que queda soportado por una columna o estructura vertical (3). 30 on a horizontal central axis (2) that is supported by a column or vertical structure (3).

Las palas (1) son de estructura laminar, constituidas a partir de una plancha de material resistente, de naturaleza metálica o a base de resina reforzada con fibras, etc. The blades (1) are of laminar structure, constituted from a sheet of resistant material, of a metallic nature or based on fiber reinforced resin, etc.

Las piezas laminares a partir de las que se conforman las palas (1) serán de contorno 35 poligonal. En la figura 3 se muestra el desarrollo (4) de una de las palas que conforma en aerogenerador de la figura 1 y que está constituido por una zona (5) de contorno triangular recto que se prolonga, a partir de uno de los catetos (6), en este caso del cateto mayor, en una franja rectangular (7) que discurre a todo lo largo de dicho cateto (6). The laminar pieces from which the blades (1) are formed will be polygonal in contour. Figure 3 shows the development (4) of one of the blades that forms in a wind turbine of Figure 1 and that is constituted by a zone (5) of straight triangular contour that extends, from one of the legs ( 6), in this case of the larger leg, in a rectangular strip (7) that runs along the entire leg (6).

En la figura 2 se muestra en perspectiva una de las palas (1) obtenidas a partir de la pieza laminar (4) de la figura 3. Para ello la pieza laminar (4) se curva y los vértices (8 y 9) quedan separados y atravesados por el eje de giro (2) del aerogenerador, conformando entre dichos vértices (8 y 9) un contorno curvo abierto (11) que corresponde al cateto menor (12) del desarrollo de la figura 3 más el lado transversal In figure 2 one of the blades (1) obtained from the sheet piece (4) of figure 3 is shown in perspective. For this the sheet piece (4) is curved and the vertices (8 and 9) are separated and crossed by the axis of rotation (2) of the wind turbine, forming between said vertices (8 and 9) an open curved contour (11) corresponding to the smaller leg (12) of the development of Figure 3 plus the transverse side

(13)(13)
de la franja rectangular (7) unida al cateto mayor. A partir de este contorno abierto  of the rectangular strip (7) attached to the main leg. From this open contour

(11)(eleven)
la pala presenta una sección oblicua que reduce progresivamente el dicho contorno y que está definida por bordes (14 y 15) que se corresponden con el borde  The blade has an oblique section that progressively reduces said contour and is defined by edges (14 and 15) that correspond to the edge

(16)(16)
del desarrollo (4) de la figura 3 y con el borde longitudinal libre (17) de la zona rectangular (7), disminuyendo al mismo tiempo la anchura de la pala hasta alcanzar su extremo libre (18) que se corresponde con el borde transversal libre (19) de la zona rectangular (7).  of the development (4) of Figure 3 and with the free longitudinal edge (17) of the rectangular area (7), while reducing the width of the blade until it reaches its free end (18) corresponding to the transverse edge free (19) of the rectangular area (7).

El contorno curvo abierto de las palas si se realiza de izquierda a derecha del observador, el giro del aerogenerador se producirá en el sentido de las agujas del reloj, e inversamente será su giro si dicho contorno abierto se realiza de derecha a izquierda. The open curved contour of the blades if performed from left to right of the observer, the wind turbine will turn clockwise, and vice versa will be its rotation if said open contour is made from right to left.

Las palas conformadas de la figura (2), según se muestra en la figura 4, van fijadas mediante una placa central (20) que queda atravesada por el eje horizontal de giro (2) del aerogenerador. The shaped blades of figure (2), as shown in figure 4, are fixed by a central plate (20) that is crossed by the horizontal axis of rotation (2) of the wind turbine.

Con la constitución descrita, cada pala recibe la acción del viento según la dirección F1 de las figuras 1 y 2, que actúa sobre la zona más abierta de las palas, siendo conducido por las propias palas para salir de las mismas según la dirección F2 que incide en la zona más cerrada de la pala siguiente, según se muestra en la figura 1. With the constitution described, each blade receives the action of the wind according to the F1 direction of figures 1 and 2, which acts on the most open area of the blades, being driven by the blades themselves to exit them according to the direction F2 that it affects the most closed area of the next blade, as shown in figure 1.

De este modo el aerogenerador de la invención consigue el máximo aprovechamiento del viento, por la acción directa del mismo sobre las palas, según la dirección F1, y por la acción de la corriente F2 que cada pala provoca sobre la pala siguiente. In this way, the wind turbine of the invention achieves maximum use of the wind, by its direct action on the blades, according to the F1 direction, and by the action of the current F2 that each blade causes on the next blade.

En el ejemplo descrito el aerogenerador está constituido por tres palas, pero también podría formarse por sólo dos palas, según los desarrollos (4) de la figura 5, e incluso por 4 palas, según los desarrollos (4) de la figura 6, incluso un mayor número, estando en todos los casos las palas unidas a una placa central (20) que se fija al eje horizontal de giro (2). In the example described, the wind turbine consists of three blades, but it could also be formed by only two blades, according to the developments (4) of figure 5, and even 4 blades, according to the developments (4) of figure 6, including a greater number, being in all cases the blades attached to a central plate (20) that is fixed to the horizontal axis of rotation (2).

Todas las palas dirigirán el viento F1 que actúa sobre las mismas hacia la zona interior de las mismas, configuradas a modo de senos caudales o semicilindros colectores, donde el viento actuará con su máximo efecto para provocar el giro del aerogenerador. All the blades will direct the F1 wind that acts on them towards the inner area of the same, configured as flow breasts or half-cylinder collectors, where the wind will act with its maximum effect to cause the wind turbine to turn.

Claims (4)

REIVINDICACIONES 1.- Aerogenerador de eje horizontal, que comprende una serie de palas radiales (1) que van unidas a un eje central (2) horizontal, soportado por una columna vertical (3), 1.- Horizontal axis wind turbine, comprising a series of radial blades (1) that are connected to a horizontal central axis (2), supported by a vertical column (3), 5 caracterizado por que las palas radiales (1) son de estructura laminar y definen en su extremo interno un contorno (11) curvo abierto, en forma de C a partir del que presenta una sección oblicua que reduce progresivamente dicho contorno y la anchura de las palas, hasta alcanzar el extremo (18) de las mismas. 5 characterized in that the radial blades (1) are of laminar structure and define at its inner end an open curved contour (11), in the form of C from which it presents an oblique section that progressively reduces said contour and the width of the shovels, until reaching the end (18) thereof. 2.- Aerogenerador según reivindicación 1, caracterizado por que las palas están 2. Wind turbine according to claim 1, characterized in that the blades are 10 constituidas a partir de una pieza laminar plana (4) de contorno aproximadamente triangular, dos de cuyos vértices (8 y 9) quedan separados y atravesados por el eje central horizontal (2), y delimitan el lado (12) de contorno curvo (11) abierto, mientras que los otros dos lados (16 y 17) definen la sección oblicua que abre progresivamente dicho contorno y reduce la anchura de las palas hasta el tercer vértice libre, que 10 formed from a flat laminar piece (4) of approximately triangular contour, two of whose vertices (8 and 9) are separated and crossed by the horizontal central axis (2), and delimit the curved contour side (12) ( 11) open, while the other two sides (16 and 17) define the oblique section that progressively opens said contour and reduces the width of the blades to the third free vertex, which 15 constituye el extremo de las palas. 15 constitutes the end of the blades. 3.- Aerogenerador según reivindicación 2, caracterizado por que las piezas laminares 3. Wind turbine according to claim 2, characterized in that the laminar pieces (4) que conforman las palas (1) son de contorno triangular recto (5) y se prolongan a partir de uno de los catetos y a todo lo largo del mismo en una franja rectangular (7), uno de cuyos lados transversales (13) queda alineado con uno de los catetos (4), para (4) that make up the blades (1) are of triangular straight contour (5) and extend from one of the legs and all along it in a rectangular strip (7), one of whose transverse sides (13) is aligned with one of the legs (4), to 20 determinar en conjunto el contorno abierto (11) del extremo interno de las palas, mientras que el lado transversal opuesto (19) define el extremo externo de las palas. 20 together determine the open contour (11) of the inner end of the blades, while the opposite transverse side (19) defines the outer end of the blades. 4.- Aerogenerador según reivindicaciones 2 o 3, caracterizado por que las piezas laminares (4) que conforman las palas van relacionadas entre sí a través de una placa central (20) de unión. 4. Wind turbine according to claims 2 or 3, characterized in that the laminar pieces (4) that make up the blades are related to each other through a central connecting plate (20). F2 F2 9 176 9 176 8 8 4 4 4 4 4 4 20 twenty Fig. 6   Fig. 6 2 2 4 4
ES201430819U 2014-06-11 2014-06-11 AEROGENERATOR OF HORIZONTAL AXIS. Expired - Fee Related ES1116331Y (en)

Priority Applications (1)

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ES201430819U ES1116331Y (en) 2014-06-11 2014-06-11 AEROGENERATOR OF HORIZONTAL AXIS.

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ES201430819U ES1116331Y (en) 2014-06-11 2014-06-11 AEROGENERATOR OF HORIZONTAL AXIS.

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ES1116331Y ES1116331Y (en) 2014-10-06

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