ES2400147A2 - Device to take the trees 'energy (Machine-translation by Google Translate, not legally binding) - Google Patents

Device to take the trees 'energy (Machine-translation by Google Translate, not legally binding) Download PDF

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Publication number
ES2400147A2
ES2400147A2 ES201131397A ES201131397A ES2400147A2 ES 2400147 A2 ES2400147 A2 ES 2400147A2 ES 201131397 A ES201131397 A ES 201131397A ES 201131397 A ES201131397 A ES 201131397A ES 2400147 A2 ES2400147 A2 ES 2400147A2
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energy
tides
floating platform
fluid
tank
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ES201131397A
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Spanish (es)
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ES2400147R1 (en
ES2400147B1 (en
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Andrés FERNÁNDEZ FERNÁNDEZ
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/26—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
    • F03B13/262—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy using the relative movement between a tide-operated member and another member
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Oceanography (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

Device to take advantage of the energy of the tides. It allows to transform the potential energy due to the tides into mechanical energy and electricity. It comprises a vertical cylinder (1) fixed to the seabed (2), equipped with a lower chamber (5) and an upper chamber (6) separated by a piston (8) connected to a floating platform (12) arranged on and in contact with sea level (13). The tides provoke in the floating platform (12) upward and downward alternating vertical movements, which are transmitted to the piston (8), to compress a fluid (7) in the upper chamber (6) or in the lower chamber (5), which it is transported to a pressure tank (17), to feed a motor (19) and obtain mechanical power, said motor is connected to a generator (25) to obtain electricity. The fluid (7) is finally returned to the upper chamber (6) or, where appropriate, to the lower chamber (5). (Machine-translation by Google Translate, not legally binding)

Description

Dispositivo para aprovechar la energía de las mareas. Device to harness the energy of the tides.

OBJETO DE LA INVENCIÓN OBJECT OF THE INVENTION

La presente invención se puede incluir dentro del campo técnico del aprovechamiento de la energía de las mareas. En concreto, el objeto de la invención se refiere a un dispositivo para aprovechar la energía de las mareas. The present invention can be included within the technical field of the use of tidal energy. Specifically, the object of the invention relates to a device for harnessing the energy of the tides.

ANTECEDENTES DE LA INVENCIÓN BACKGROUND OF THE INVENTION

Se denominan mareas a los cambios periódicos del nivel del mar, producidos fundamentalmente por las fuerzas gravitacionales que ejercen la Luna y el Sol, así como también, si bien en menor medida, por otros fenómenos, tales como la variación de la presión atmosférica. Tides are referred to as periodic changes in sea level, mainly caused by the gravitational forces exerted by the Moon and the Sun, as well as, although to a lesser extent, by other phenomena, such as the variation in atmospheric pressure.

El problema técnico que se plantea consiste en transformar la energía potencial asociada al cambio de nivel del mar debido a las mareas en una forma de energía aprovechable. The technical problem that arises is to transform the potential energy associated with the change in sea level due to the tides in a form of usable energy.

DESCRIPCIÓN DE LA INVENCIÓN DESCRIPTION OF THE INVENTION

La presente invención resuelve el problema técnico planteado, por medio de un dispositivo para aprovechar la energía de las mareas, que es capaz de transformar las variaciones de energía potencial asociadas a las mareas en formas de energía aprovechable, tales como energía mecánica y energía eléctrica. The present invention solves the technical problem posed, by means of a device for harnessing the energy of the tides, which is capable of transforming the variations of potential energy associated with the tides into forms of usable energy, such as mechanical energy and electrical energy.

El dispositivo de la invención comprende al menos un cilindro dispuesto verticalmente y dotado de una parte inferior fijada al fondo marino y de una parte superior. El cilindro comprende una cámara inferior dispuesta en la parte inferior y una cámara superior dispuesta en la parte superior, donde la cámara superior y la cámara inferior están adaptadas para alojar un fluido, que puede ser tanto líquido como gas, así como están separadas por un pistón conectado a una plataforma flotante que está dispuesta sobre el nivel del mar, debido a la flotabilidad la plataforma, y en contacto con dicho nivel del mar, debido al efecto gravitatorio. The device of the invention comprises at least one cylinder arranged vertically and provided with a lower part fixed to the seabed and an upper part. The cylinder comprises a lower chamber arranged in the lower part and an upper chamber arranged in the upper part, where the upper chamber and the lower chamber are adapted to accommodate a fluid, which can be both liquid and gas, as well as being separated by a piston connected to a floating platform that is arranged above sea level, due to the buoyancy of the platform, and in contact with said sea level, due to the gravitational effect.

La sucesión de las mareas provoca la subida y la bajada consecutivas del nivel del mar, como consecuencia de lo cual, la plataforma flotante es forzada a variar su posición de acuerdo con movimientos verticales ascendentes y descendentes alternados. The succession of the tides causes the consecutive rise and fall of the sea level, as a consequence of which, the floating platform is forced to vary its position according to alternating upward and downward vertical movements.

Los movimientos verticales de la plataforma son transmitidos al pistón, como consecuencia de lo cual el fluido dispuesto en la cámara superior, cuando el movimiento es ascendente, o en la cámara inferior, cuando el movimiento es descendente, se comprime. El fluido comprimido es transportado desde la cámara superior o, en su caso, la cámara inferior, por medio de unas tuberías de salida, hacia un tanque de presión, donde se almacena dicho fluido y desde donde es transportado, por medio de una tubería de transporte, hacia un motor, conectado al tanque y accionable por el fluido procedente del tanque, para obtener una potencia mecánica. El fluido es posteriormente transportado, por medio de unas tuberías de retorno, desde el motor, de vuelta a la cámara superior, tras un movimiento descendente, o a la cámara inferior, tras un movimiento ascendente, para que dicho fluido vuelva a ser comprimido respectivamente en el siguiente movimiento ascendente o descendente. The vertical movements of the platform are transmitted to the piston, as a consequence of which the fluid disposed in the upper chamber, when the movement is ascending, or in the lower chamber, when the movement is descending, is compressed. The compressed fluid is transported from the upper chamber or, where appropriate, the lower chamber, by means of outlet pipes, to a pressure tank, where said fluid is stored and from where it is transported, by means of a pipeline transport, to an engine, connected to the tank and operable by the fluid coming from the tank, to obtain a mechanical power. The fluid is subsequently transported, by means of return pipes, from the engine, back to the upper chamber, after a downward movement, or to the lower chamber, after an upward movement, so that said fluid is again compressed respectively in the next upward or downward movement.

De manera opcional, el eje de salida del motor está conectado a un generador eléctrico, para transformar la potencia mecánica del motor en potencia eléctrica. Optionally, the motor output shaft is connected to an electric generator, to transform the mechanical power of the motor into electrical power.

La invención se completa con los necesarios elementos hidráulicos, tales como válvulas, así como de control, para dirigir adecuadamente la circulación del fluido y evitar el retorno. The invention is completed with the necessary hydraulic elements, such as valves, as well as control elements, to properly direct the circulation of the fluid and prevent return.

Los cilindros pueden ser tanto cilindros hidráulicos como neumáticos, si bien se prefieren cilindros hidráulicos, de modo que el fluido es preferentemente un fluido incompresible, aún más preferentemente, se trata de un aceite hidráulico. The cylinders can be both hydraulic and pneumatic cylinders, although hydraulic cylinders are preferred, so that the fluid is preferably an incompressible fluid, even more preferably, it is a hydraulic oil.

De manera preferente, se dispone una pluralidad de cilindros conectados a la plataforma. Dichos cilindros pueden estar asociados individualmente a un motor y/o un generador, si bien es preferible que más de uno de los cilindros compartan motor y generador. Preferably, a plurality of cylinders connected to the platform are arranged. Said cylinders may be individually associated with an engine and / or a generator, although it is preferable that more than one of the cylinders share an engine and generator.

De manera preferente, la plataforma es transitable, por ejemplo, se puede usar como pantalán, batea, plataforma marina, paseo, etc. La plataforma puede, asimismo, preferentemente, ser empleada como soporte para el tanque y/o, el motor y/o el generador. Preferably, the platform is passable, for example, it can be used as a dock, bat, marine platform, walk, etc. The platform may also preferably be used as a support for the tank and / or the engine and / or the generator.

La presente invención permite transformar la energía de las mareas de manera no agresiva con el medio ambiente, y aprovechando tanto el movimiento descendente desde la pleamar como el movimiento ascendente desde la bajamar. The present invention allows to transform the energy of the tides in a non-aggressive way with the environment, and taking advantage of both the downward movement from the high tide and the upward movement from the low tide.

DESCRIPCIÓN DE LOS DIBUJOS DESCRIPTION OF THE DRAWINGS

Para complementar la descripción que se está realizando y con objeto de ayudar a una mejor comprensión de las características de la invención, de acuerdo con un ejemplo preferente de realización práctica de la misma, se acompaña como parte integrante de dicha descripción, un juego de dibujos en donde con carácter ilustrativo y no limitativo, se ha representado lo siguiente: To complement the description that is being made and in order to help a better understanding of the characteristics of the invention, according to a preferred example of practical implementation thereof, a set of drawings is attached as an integral part of said description. where, for illustrative and non-limiting purposes, the following has been represented:

Figura 1.- Muestra una vista esquemática del dispositivo de la invención, en un momento del movimiento descendente. Figure 1.- Shows a schematic view of the device of the invention, at a time of downward movement.

Figura 2.- Muestra una vista esquemática del dispositivo de la invención, en un momento del movimiento ascendente. Figure 2.- Shows a schematic view of the device of the invention, at a time of upward movement.

REALIZACIÓN PREFERENTE DE LA INVENCIÓN PREFERRED EMBODIMENT OF THE INVENTION

Seguidamente se expone una descripción detallada de una realización preferente de la invención, con ayuda de las figuras 1 y 2 adjuntas. A detailed description of a preferred embodiment of the invention is set forth below, with the help of the attached figures 1 and 2.

Tal como se aprecia en las figuras 1 y 2, el dispositivo para aprovechar la energía de las mareas de acuerdo con la presente invención comprende una pluralidad de cilindros (1), de los cuales solo se representa uno, dispuestos en vertical, dotados cada uno de una parte inferior (3) fijada al fondo marino (2), y de una parte superior (4). Los cilindros (1) comprenden cada uno una cámara inferior (5) dispuesta en la parte inferior (3) y una cámara superior (6) dispuesta en la parte superior (4), ambas cámara inferior (5) y cámara superior (6) adaptadas para alojar un aceite (7) hidráulico, donde las respectivas cámara superior (5) y cámara inferior (6) de cada cilindro (1) están separadas por un pistón (8) vinculado a una plataforma flotante (12) dispuesta sobre el nivel del mar (13) y en contacto con dicho nivel del mar (13). As can be seen in Figures 1 and 2, the device for harnessing the energy of the tides according to the present invention comprises a plurality of cylinders (1), of which only one is shown, arranged vertically, each provided of a lower part (3) fixed to the seabed (2), and of an upper part (4). The cylinders (1) each comprise a lower chamber (5) arranged in the lower part (3) and an upper chamber (6) arranged in the upper part (4), both lower chamber (5) and upper chamber (6) adapted to accommodate a hydraulic oil (7), where the respective upper chamber (5) and lower chamber (6) of each cylinder (1) are separated by a piston (8) linked to a floating platform (12) arranged above the level from the sea (13) and in contact with said sea level (13).

A partir de la pleamar, es decir, el momento en que el nivel del mar (13) está más alto, dicho nivel del mar (13) desciende paulatinamente, de modo que la plataforma flotante (12) también desciende. El movimiento descendente de la plataforma flotante (12) es transmitido a cada uno de los pistones (8), que comprimen el aceite (7) dispuesto en las cámaras inferiores (5). En la figura 1 se observan la plataforma flotante (12) y los pistones (8) en una primera posición intermedia marcada con trazo continuo, mientras que la posición de pleamar se muestra en trazo discontinuo. From high tide, that is, the moment when the sea level (13) is highest, said sea level (13) gradually descends, so that the floating platform (12) also descends. The downward movement of the floating platform (12) is transmitted to each of the pistons (8), which compress the oil (7) arranged in the lower chambers (5). Figure 1 shows the floating platform (12) and the pistons (8) in a first intermediate position marked with a continuous line, while the high tide position is shown in dashed lines.

El aceite (7) comprimido es conducido, a través de unas tuberías de salida (14) desde las cámaras inferiores (5) hacia un tanque (17) de presión, montado en la plataforma flotante (12) donde dicho aceite (7) es almacenado y posteriormente conducido, mediante unas tuberías de transporte (26) hacia un motor (19) hidráulico, montado asimismo en la plataforma flotante (12), y conectado con el tanque (17) obteniéndose una potencia mecánica en eje (20) de salida del motor (19). The compressed oil (7) is conducted, through outlet pipes (14) from the lower chambers (5) to a pressure tank (17), mounted on the floating platform (12) where said oil (7) is stored and subsequently driven, by means of transport pipes (26) to a hydraulic motor (19), also mounted on the floating platform (12), and connected to the tank (17) obtaining a mechanical power on the output shaft (20) of the engine (19).

Posteriormente, el aceite (7) es devuelto, a través de unas tuberías de retorno (27) desde el motor (19) hacia las cámaras superiores (6) de los cilindros (1). Subsequently, the oil (7) is returned, through return pipes (27) from the engine (19) to the upper chambers (6) of the cylinders (1).

El movimiento descendente del nivel del mar (13) y, consecuentemente, de la plataforma flotante (12), concluye en la bajamar, es decir, el momento en que el nivel del mar (13) está más bajo. The downward movement of the sea level (13) and, consequently, of the floating platform (12), concludes at low tide, that is, the moment when the sea level (13) is lower.

A partir de la bajamar, el nivel del mar (13) asciende paulatinamente, de modo que la plataforma flotante (12) también asciende. El movimiento ascendente de la plataforma flotante (12) es transmitido a cada uno de los pistones (8), que comprimen el aceite (7) dispuesto en las cámaras superiores (6). En la figura 2 se observan la plataforma flotante (12) y los pistones (8) en una segunda posición intermedia marcada con trazo continuo, mientras que la posición en bajamar se muestra en trazo discontinuo. From low tide, the sea level (13) gradually rises, so that the floating platform (12) also rises. The upward movement of the floating platform (12) is transmitted to each of the pistons (8), which compress the oil (7) arranged in the upper chambers (6). Figure 2 shows the floating platform (12) and the pistons (8) in a second intermediate position marked with a continuous line, while the low tide position is shown in a broken line.

El aceite (7) comprimido es conducido, a través de las tuberías de salida (14) desde las cámaras superiores (6) hacia el tanque (17), donde dicho aceite (7) es almacenado y posteriormente conducido, a través de las tuberías de transporte (26), hacia el motor (19), obteniéndose una potencia mecánica en eje (20) de salida del motor (19). The compressed oil (7) is conducted, through the outlet pipes (14) from the upper chambers (6) to the tank (17), where said oil (7) is stored and subsequently conducted, through the pipes of transport (26), towards the motor (19), obtaining a mechanical power in shaft (20) of motor output (19).

Posteriormente, el aceite (7) es devuelto, a través de las tuberías de retorno (27), desde el motor (19) hasta las cámaras inferiores (5) de los cilindros (1), para permitir retomar el funcionamiento del dispositivo de la invención en un posterior movimiento descendente. Subsequently, the oil (7) is returned, through the return pipes (27), from the engine (19) to the lower chambers (5) of the cylinders (1), to allow the device to resume operation. invention in a subsequent downward movement.

El eje (20) de salida del motor (19) acciona un generador (25) de electricidad, dispuesto igualmente en la plataforma flotante (12), que transforma la potencia mecánica en potencia eléctrica. The output shaft (20) of the motor (19) drives an electricity generator (25), also arranged in the floating platform (12), which transforms the mechanical power into electrical power.

Claims (7)

REIVINDICACIONES 1.- Dispositivo para aprovechar la energía de las mareas, caracterizado porque comprende: 1.- Device to harness the energy of the tides, characterized in that it comprises:
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una plataforma flotante (12) dispuesta sobre el nivel del mar (13) y en contacto con dicho nivel del mar (13);  a floating platform (12) arranged above sea level (13) and in contact with said sea level (13);
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al menos un cilindro (1), neumático o hidráulico, dispuesto en vertical y dotado de una parte inferior (3) fijada al fondo marino (2) y de una parte superior (4), donde el cilindro (1) comprende una cámara inferior (5) dispuesta en la parte inferior (3) y una cámara superior (6) dispuesta en la parte superior (4), ambas cámara inferior (5) y cámara superior  at least one cylinder (1), pneumatic or hydraulic, arranged vertically and provided with a lower part (3) fixed to the seabed (2) and an upper part (4), where the cylinder (1) comprises a lower chamber (5) arranged in the lower part (3) and an upper chamber (6) arranged in the upper part (4), both lower chamber (5) and upper chamber
(6) adaptadas para alojar un fluido (7), donde la cámara superior (5) y la cámara inferior (6) están separadas por un pistón (8) vinculado a la plataforma flotante (12) y desplazable verticalmente con el movimiento de la plataforma flotante (12); (6) adapted to accommodate a fluid (7), where the upper chamber (5) and the lower chamber (6) are separated by a piston (8) linked to the floating platform (12) and vertically movable with the movement of the floating platform (12);
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al menos un tanque (17) para almacenar el fluido (7) comprimido en la cámara inferior (5) debido a un movimiento descendente de la plataforma flotante (12) como consecuencia del descenso de la marea, y comprimido en la cámara superior (6) debido al movimiento ascendente como consecuencia del ascenso de la marea;  at least one tank (17) for storing the compressed fluid (7) in the lower chamber (5) due to a downward movement of the floating platform (12) as a result of the tidal descent, and compressed in the upper chamber (6 ) due to the upward movement as a result of the rise of the tide;
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al menos un motor (19), conectado al tanque (17) y alimentable con el fluido (7) del tanque (17), para obtener una potencia mecánica en un eje (20) de salida de dicho motor (19);  at least one motor (19), connected to the tank (17) and feeds with the fluid (7) of the tank (17), to obtain a mechanical power in an output shaft (20) of said motor (19);
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unas tuberías de salida (14) para transportar el fluido (7) comprimido desde la cámara superior (6) y la cámara inferior outlet pipes (14) for transporting the compressed fluid (7) from the upper chamber (6) and the lower chamber
(5) hacia el tanque (17); (5) towards the tank (17);
--
unas tuberías de transporte (26), para transportar el fluido (7) almacenado desde el tanque (17) hacia el motor (19); y  transport pipes (26), to transport the stored fluid (7) from the tank (17) to the engine (19); Y
--
unas tuberías de retorno (27) para transportar el fluido (7) desde el motor (19) de vuelta hacia la cámara superior (6) y la cámara inferior (5). return pipes (27) for transporting the fluid (7) from the engine (19) back to the upper chamber (6) and the lower chamber (5).
2.- Dispositivo para aprovechar la energía de las mareas, de acuerdo con la reivindicación 1, caracterizado porque comprende adicionalmente un generador (25) de electricidad, accionable por el eje (20) de salida del motor (19). 3.- Dispositivo para aprovechar la energía de las mareas, de acuerdo con una cualquiera de las reivindicaciones 1 y 2, caracterizado porque comprende una pluralidad de cilindros (1). 2. Device for harnessing the energy of the tides, according to claim 1, characterized in that it additionally comprises an electricity generator (25), operable by the motor output shaft (20) (19). 3. Device for harnessing the energy of the tides, according to any one of claims 1 and 2, characterized in that it comprises a plurality of cylinders (1). 4.- Dispositivo para aprovechar la energía de las mareas, de acuerdo con la reivindicación 3, caracterizado porque más de uno de los cilindros (1) están conectados por medio de las tuberías de transporte (14) y las tuberías de retorno (27) con el mismo tanque (17) y con el mismo motor (19). 4. Device for harnessing the energy of the tides, according to claim 3, characterized in that more than one of the cylinders (1) are connected by means of the transport pipes (14) and the return pipes (27) with the same tank (17) and with the same engine (19). 5.- Dispositivo para aprovechar la energía de las mareas, de acuerdo con una cualquiera de las reivindicaciones 1 y 2, caracterizado porque la plataforma flotante (12) es transitable. 5. Device for harnessing the energy of the tides, according to any one of claims 1 and 2, characterized in that the floating platform (12) is passable. 6.- Dispositivo para aprovechar la energía de las mareas, de acuerdo con la reivindicación 1, caracterizado porque el tanque (17) está montado en la plataforma flotante (12). 6. Device for harnessing the energy of the tides, according to claim 1, characterized in that the tank (17) is mounted on the floating platform (12). 7.- Dispositivo para aprovechar la energía de las mareas, de acuerdo con la reivindicación 1, caracterizado porque el motor (19) está montado en la plataforma flotante (12). 7. Device for harnessing the energy of the tides, according to claim 1, characterized in that the motor (19) is mounted on the floating platform (12). 8.- Dispositivo para aprovechar la energía de las mareas, de acuerdo con las reivindicaciones 2 y 7, caracterizado porque el generador (25) está montado en la plataforma flotante (12). 8. Device for harnessing the energy of the tides, according to claims 2 and 7, characterized in that the generator (25) is mounted on the floating platform (12).
ES201131397A 2011-08-18 2011-08-18 DEVICE TO TAKE ADVANTAGE OF THE POWER OF THE TIDES Withdrawn - After Issue ES2400147B1 (en)

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ES201131397A ES2400147B1 (en) 2011-08-18 2011-08-18 DEVICE TO TAKE ADVANTAGE OF THE POWER OF THE TIDES

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ES201131397A ES2400147B1 (en) 2011-08-18 2011-08-18 DEVICE TO TAKE ADVANTAGE OF THE POWER OF THE TIDES

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ES2400147A2 true ES2400147A2 (en) 2013-04-05
ES2400147R1 ES2400147R1 (en) 2013-07-11
ES2400147B1 ES2400147B1 (en) 2014-05-19

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1523031A (en) * 1923-04-16 1925-01-13 Jr Dillard C Mitchell Tide and wave motor
WO1998020254A1 (en) * 1996-11-06 1998-05-14 Eli Iantkow Tidal energy converter
WO2006076756A1 (en) * 2005-01-24 2006-07-27 Robinson Barry Wave energy extraction system
GB2458104A (en) * 2008-02-29 2009-09-09 Paul Kristian Hatchwell Tide powered pump
GB2476978A (en) * 2010-01-18 2011-07-20 Sidar Yildirim Tidal electricity generating system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1523031A (en) * 1923-04-16 1925-01-13 Jr Dillard C Mitchell Tide and wave motor
WO1998020254A1 (en) * 1996-11-06 1998-05-14 Eli Iantkow Tidal energy converter
WO2006076756A1 (en) * 2005-01-24 2006-07-27 Robinson Barry Wave energy extraction system
GB2458104A (en) * 2008-02-29 2009-09-09 Paul Kristian Hatchwell Tide powered pump
GB2476978A (en) * 2010-01-18 2011-07-20 Sidar Yildirim Tidal electricity generating system

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