DE4134692A1 - Wave-powered electrical generation plant - has floats used to drive reciprocating piston air compressors - Google Patents

Wave-powered electrical generation plant - has floats used to drive reciprocating piston air compressors

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Publication number
DE4134692A1
DE4134692A1 DE4134692A DE4134692A DE4134692A1 DE 4134692 A1 DE4134692 A1 DE 4134692A1 DE 4134692 A DE4134692 A DE 4134692A DE 4134692 A DE4134692 A DE 4134692A DE 4134692 A1 DE4134692 A1 DE 4134692A1
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DE
Germany
Prior art keywords
power plant
wave power
floats
piston
sea wave
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
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DE4134692A
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German (de)
Inventor
Fritz Ehlke
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Individual
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Individual
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Priority to DE4134692A priority Critical patent/DE4134692A1/en
Publication of DE4134692A1 publication Critical patent/DE4134692A1/en
Withdrawn legal-status Critical Current

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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
    • F03B13/14—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 wave energy
    • F03B13/16—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 wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
    • F03B13/18—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 wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
    • F03B13/1805—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 wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem
    • F03B13/181—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 wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem for limited rotation
    • F03B13/1815—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 wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem for limited rotation with an up-and-down movement
    • 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)
  • 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

The generation plant has a frame (2) extending between or among pontoons (1), supporting reciprocating piston air compressors (3) controlled via floats (8) which move up and down with the sea level. Pref. the cylindrical reciprocating floats can run along vertical guide rails (10) via attached rollers (9), each coupled directly to a piston rod (5) of a respective air compressor, the guide rails (10) being joined together at their bottom ends, for improved stability. The top of the frame may have solar panels for additional energy generation. ADVANTAGE - Prevents environmental pollution.

Description

Das Anwendungsgebiet der Erfindung ist die Erzeugung von Elektroenergie aus der Energie der Meereswellen.The field of application of the invention is the generation of electrical energy from the energy of the Ocean waves.

Eine Recherche in den Patentklassen EO2B 9/08 und FO3B 13/14 ergab, daß Wellenkraftanlagen bekannt sind, bei welchen die Wellenkraft direkt in horizontal oder vertikal angeordneten Wasserturbinen genutzt werden sollen. Es werden auch durch Schwimmer betätigte Pumpwerke beschrieben, bei welchen Wasser auf eine höhere Ebene gepumpt wird, welches anschließend zum Antrieb von Wasserturbinen mit Generatoren genutzt werden soll.A search in the patent classes EO2B 9/08 and FO3B 13/14 revealed that wave power plants are known in which the wave force is arranged directly in horizontal or vertical Water turbines are to be used. There are also pumping stations operated by floats described at which water is pumped to a higher level, which is then to Drive of water turbines with generators is to be used.

Es wurde auch vorgeschlagen, eine durch die Wellenbewegung erzeugte Hin- und Herpendelung von Schwimmern über Gestänge und eine Achse in eine Drehbewegung zu verwandeln und damit Maschinen anzutreiben.It has also been proposed to oscillate back and forth caused by the wave motion from swimmers via rods and an axis into a rotary movement and thus To drive machines.

Die beschriebenen Wege zur Erzeugung von Elektroenergie haben sich nicht durchgesetzt.The described ways of generating electrical energy have not prevailed.

Zur Erzeugung von Elektroenergie sind in der Hauptsache Kraftwerke auf der Basis von Steinkohle, Braunkohle, Gas, Erdöl, Wasserkraft und Atomenergie im Einsatz.Mainly power plants based on are used to generate electrical energy Hard coal, lignite, gas, oil, hydropower and nuclear energy in use.

Wasserkraft steht für Kraftwerke in sehr beschränktem Umfang zur Verfügung. Kohlekraftwerke verursachen durch die starke Rauch- und Abgasentwicklung eine große Umweltverschmutzung, wobei auch die Gewinnung der Kohle, besonders der Rohbraunkohle, Umweltschäden verursacht. Auch Ölkraftwerke erzeugen schädliche Abgase. Die Atomkraftwerke haben den Nachteil, daß auftretende Havarien eine Strahlenverseuchung der Umwelt hervorrufen können.Hydropower is available to a very limited extent for power plants. Coal-fired power plants cause a lot of pollution due to the strong smoke and exhaust gas development, the extraction of coal, especially raw lignite, also causes environmental damage. Oil-fired power plants also produce harmful exhaust gases. The nuclear power plants have the disadvantage that occurring accidents can cause radiation pollution of the environment.

Als alternative Energieerzeugungsanlagen sind Windkraftanlagen, Gezeitenkraftwerke, Solarstromanlagen und auch Sonnenenergie-Kraftanlagen bekannt, bei welchen die Sonnenenergie über Spiegel auf Dampferzeuger gerichtet wird. Diese Lösungen können aber nur einen geringen Teil der benötigten Elektroenergie decken.As alternative energy generation plants are wind turbines, tidal power plants, Solar power plants and also solar energy power plants known in which the solar energy is directed at the steam generator via a mirror. However, these solutions can only be a small one Cover part of the required electrical energy.

Der Zweck, der durch die Erfindung erreicht werden soll, besteht darin, auf ökologischer und ökonomischer Basis Elektroenergie auch aus der Energie der Meereswellen zu erzeugen. Erfindungsgemäß wird die Aufgabe durch ein System von Schwimmern gelöst, die von den Meereswellen abwechselnd gehoben und gesenkt werden und über Verbindungs- und Kolbenstangen Kolben-Luftverdichter betreiben. Die so erzeugte Druckluft wird in Kesseln gespeichert und dann zum Antrieb von Stromerzeugungsanlagen genutzt.The purpose to be achieved by the invention is to be ecological and economic basis to generate electrical energy from the energy of the ocean waves. According to the invention the object is achieved by a system of floats by the Sea waves are alternately raised and lowered and via connection and Piston rods Operate the piston air compressor. The compressed air generated in this way is in boilers stored and then used to drive power generation systems.

Damit der erzeugte Luftdruck bei unterschiedlicher Wellenhöhe etwa gleich bleibt, sind die Zylinderböden in den Luftverdichtern oben und unten hydraulisch oder mechanisch in ihrer Entfernung zum Kolben möglichst automatisch, vom erzeugten Luftdruck abhängig, verstellbar angeordnet.So that the air pressure generated remains the same at different wave heights, they are Cylinder bases in the air compressors top and bottom hydraulically or mechanically in their Distance to the piston is automatically adjustable, depending on the air pressure generated arranged.

Zur Erhöhung der Leistung bei Bedarf kann auch der Betrieb einer Brennkraftturbine mit der vorhandenen Druckluft auf Ölbasis zum Antrieb von Generatoren vorgesehen werden.To increase the power if necessary, the operation of an internal combustion turbine with the existing oil-based compressed air can be used to drive generators.

An den Tagen mit geringer Wellenbewegung ist häufig mit Sonnenschein zu rechnen. Deshalb soll die obere Plattform des Meereswellen-Kraftwerkes mit Solarzellen zur Stromerzeugung ausgelegt werden.Sunshine can often be expected on days with little wave movement. Therefore should the upper platform of the sea wave power plant is designed with solar cells to generate electricity will.

Das Meereswellen-Kraftwerk wird zweckmäßig in Ufernähe in mäßiger Wassertiefe so verankert, daß es durch Antriebsaggregate, die in den Endschwimmkörpern untergebracht werden, immer günstig in den Wind bzw. gegen die Wellen gedreht werden kann. Der erzeugte Strom wird durch ein Kabel an eine Übernahmestation geleitet, die sich an Land befindet. Zur Durchführung von Versuchen kann zunächst ein ausgedientes Schiff mit einer entsprechenden Anlage ausgerüstet werden.The sea wave power plant is appropriately anchored near the shore in moderate water depth, that it is always by propulsion units that are housed in the final floats can be turned cheaply into the wind or against the waves. The electricity generated is wired to a transfer station located on land. To carry out of experiments, a disused ship can first be equipped with an appropriate system will.

Die Erfindung soll nachstehend an zwei Ausführungsbeispielen erläutert werden.The invention will be explained below using two exemplary embodiments.

In den zugehörigen Zeichnungen der Variante 1 zeigen:In the associated drawings of variant 1 show:

Fig. 1 einen Längsschnitt durch das Meereswellen-Kraftwerk mit senkrecht stehenden Schwimmern, Fig. 1 shows a longitudinal section through the ocean wave power station with vertical floats,

Fig. 2 einen Querschnitt durch das Kraftwerk, Fig. 2 shows a cross section through the power plant,

Fig. 3 eine Draufsicht auf die Schwimmeranordnung. Fig. 3 is a plan view of the float assembly.

In den Zeichnungen der Variante 2 zeigen:In the drawings of variant 2 show:

Fig. 4 einen Längsschnitt durch das Meereswellen-Kraftwerk mit waagerecht liegenden Schwimmern, Fig. 4 shows a longitudinal section through the ocean wave power plant with horizontally lying floats,

Fig. 5 einen Querschnitt durch das Kraftwerk, Fig. 5 is a cross-sectional view of the power plant,

Fig. 6 eine Draufsicht auf die Schwimmeranordnung. Fig. 6 is a plan view of the float assembly.

Erläuterung der Variante 1, Fig. 1 bis 3Explanation of variant 1, FIGS. 1 to 3

In dem Meereswellen-Kraftwerk ist über Schwimmkörpern 1 in angemessener Höhe über dem Wasser ein Maschinenraum 2 angeordnet, in dem Kolben-Luftverdichter 3 aufgestellt sind. Die Kolben 4 der Luftverdichter 3 sind über Kolbenstangen 5 und Verbindungsstangen 6 mit den durch die Wellen auf- und abbewegten Schwimmern 8 verbunden. Die Schwimmer bestehen aus zylindrischen oder rechteckigen Hohlkörpern, die mittels Rollen 9 und Führungsschienen 10 in ihrer senkrechten Bewegungsrichtung geführt werden. Zur Stabilisierung der Führungsschienen 10 werden diese an den unteren Enden durch Gestänge 11 miteinander verbunden. Die Verdichter 3 sind doppelt wirkend, d. h., daß bei der Aufwärts- und bei der Abwärtsbewegung der Kolben 4 Druckluft erzeugt wird.In the sea wave power plant, a machine room 2 is arranged above floating bodies 1 at an appropriate height above the water, in which piston air compressors 3 are installed. The pistons 4 of the air compressor 3 are connected via piston rods 5 and connecting rods 6 to the floats 8 which are moved up and down by the waves. The floats consist of cylindrical or rectangular hollow bodies which are guided in their vertical direction of movement by means of rollers 9 and guide rails 10 . To stabilize the guide rails 10 , they are connected to one another at the lower ends by rods 11 . The compressors 3 are double-acting, that is to say that compressed air is generated during the upward and downward movement of the pistons 4 .

Damit bei unterschiedlicher Wellenbewegung und damit bei unterschiedlichem Hub die Kolben 4 Druckluft mit gleichem Druck fördern können sind die Zylinderböden 12 oben und unten im Abstand zum Kolben 4 hydraulisch oder mechanisch, möglichst automatisch, vom erzeugten Luftdruck abhängig, verstellbar angeordnet. Die Größe der Schwimmer 8 und die Höhe des unter dem Maschinenraum 2 befindlichen Schwimmerraumes richtet sich nach dem vorgesehenen Standort und der dort zu erwartenden Wellenhöhe.So that the piston 4 can deliver compressed air at the same pressure with different shaft movements and thus with a different stroke, the cylinder bottoms 12 are arranged hydraulically or mechanically, as automatically as possible, depending on the generated air pressure, at a distance from the piston 4 . The size of the floats 8 and the height of the float room located under the machine room 2 depends on the intended location and the wave height to be expected there.

In dem Beispiel "Variante 1" sind 24 Schwimmer 8 und Verdichter 3 zu einer Sektion zusammengefaßt. Das komplette Meereswellen-Kraftwerk kann aus beliebig vielen Sektionen bestehen, die jeweils durch Schwimmkörper 1 getrennt sind. In den Schwimmkörpern 1 ist Platz für die Unterbringung von Druckluftbehältern und Stromerzeugungs-Aggregaten. Auf dem oberen Deck über dem Maschinenraum 2 ist die Installierung von Solarzellen zur ergänzenden Erzeugung von Elektroenergie vorgesehen.In the "Variant 1" example, 24 floats 8 and compressor 3 are combined to form a section. The complete sea wave power plant can consist of any number of sections, each of which is separated by floating bodies 1 . In the floating bodies 1 there is space for the accommodation of compressed air tanks and power generation units. The installation of solar cells for the additional generation of electrical energy is provided on the upper deck above the machine room 2 .

Erläuterung der Variante 2, Fig. 4 bis 6Explanation of variant 2, FIGS. 4 to 6

Im Gegensatz zur Variante 1 sind die Schwimmer 15 liegend angeordnet. Sie sind mit Schwenkarmen 16 an einer Achse 17 gelagert, die an den Schwimmkörpern 1 befestigt ist. Zwischen den Schwenkarmen 16 ist in der Nähe der Schwimmer 15 eine gelenkig gelagerte Querstange 18 angeordnet, die in der Mitte die Verbindungsstange 6 zur Kolbenstange 5 trägt. In contrast to variant 1, the floats 15 are arranged horizontally. They are mounted with pivot arms 16 on an axis 17 which is attached to the floating bodies 1 . Between the swivel arms 16 , an articulated crossbar 18 is arranged near the float 15 , which carries the connecting rod 6 to the piston rod 5 in the middle.

Die Kolbenstangen 5 sind mit den Kolben 4 der Verdichter 3 verbunden, die im Maschinenraum 2 stehen. Zur Erhöhung der Stabilität der Lagerung der Achsen 17 ist in der Mitte zwischen den Schwimmerlagern eine zusätzliche Aufhängung der Achse 17 in einem am Maschinenraum 2 hängenden Lagerträger 20 vorgesehen.The piston rods 5 are connected to the pistons 4 of the compressors 3 , which are located in the machine room 2 . To increase the stability of the mounting of the axles 17 in the middle between the float supporting an additional mounting of the axle 17 is provided in a hanging on the machine room 2 bearing support 20th

Im übrigen entspricht die Variante 2 der Variante 1.Otherwise, variant 2 corresponds to variant 1.

Eine weitere Variante kann wie folgt gestaltet sein:
Um einen zentralen Schwimmkörper herum können Schwimmersektionen mit darüber im Maschinenraum angeordneten Kolben-Verdichtern kreuz- oder sternförmig angeordnet werden.Another variant can be designed as follows:
Floating sections with piston compressors arranged above them in the machine room can be arranged in a cross or star shape around a central floating body.

Claims (6)

1. Meereswellen-Kraftwerk, dadurch gekennzeichnet, daß in einem Maschinenraum (2) der zwei oder mehrere Schwimmkörper (1) überspannt, Kolben-Luftverdichter (3) aufgestellt sind, die durch Schwimmer (8 bzw. 15), welche von den Meereswellen auf und ab bewegt werden, über Verbindungs- und Kolbenstangen (6 und 5) betätigt werden.1. sea wave power plant, characterized in that spanned in a machine room ( 2 ) of the two or more floating bodies ( 1 ), piston air compressors ( 3 ) are set up by floats ( 8 and 15 ), which from the sea waves on and can be moved, operated via connecting and piston rods ( 6 and 5 ). 2. Meereswellen-Kraftwerk nach Anspruch 1, dadurch gekennzeichnet, daß die zylindrischen oder kastenförmigen Schwimmer (8) in einem Schienengerüst (10), welches am Boden des Maschinenraumes (2) aufgehängt ist, mittels Rollen (9) in senkrechter Richtung geführt werden.2. Sea wave power plant according to claim 1, characterized in that the cylindrical or box-shaped float ( 8 ) in a rail frame ( 10 ) which is suspended from the floor of the machine room ( 2 ) by means of rollers ( 9 ) are guided in the vertical direction. 3. Meereswellen-Kraftwerk nach Anspruch 1, dadurch gekennzeichnet, daß die Schwimmer (15) in einem gabelförmigen Gestänge (16) an einer waagerecht zwischen den Schwimm­ körpern (1) angeordneten Achse (17) gelagert sind und mit ihrer durch die Wellen erzeug­ ten Auf- und Abbewegung über Verbindungsstangen (6) und Kolbenstangen (5) die Luft­ verdichter (3) im Maschinenraum (2) betreiben.3. Sea wave power plant according to claim 1, characterized in that the floats ( 15 ) in a fork-shaped linkage ( 16 ) on a horizontally between the floating bodies ( 1 ) arranged axis ( 17 ) are mounted and th with their generated by the waves Up and down movement via connecting rods ( 6 ) and piston rods ( 5 ) operate the air compressor ( 3 ) in the machine room ( 2 ). 4. Meereswellen-Kraftwerk nach den Ansprüchen 1 bis 3, dadurch gekennzeichnet, daß die Zylinderböden (12) der Kolbenverdichter (3) im Zylinder beweglich sind und in ihrem Abstand zum Kolben (4) durch hydraulische oder mechanische Vorrichtungen (13) verstell­ bar angeordnet sind.4. Sea wave power plant according to claims 1 to 3, characterized in that the cylinder bottoms ( 12 ) of the piston compressor ( 3 ) are movable in the cylinder and arranged in their distance from the piston ( 4 ) by hydraulic or mechanical devices ( 13 ) adjustable bar are. 5. Meereswellen-Kraftwerk nach den Ansprüchen 1 bis 4, dadurch gekennzeichnet, daß auf dem Oberdeck des Maschinenraumes (2) eine Solaranlage (14) zur Stromerzeugung in­ stalliert ist.5. Sea wave power plant according to claims 1 to 4, characterized in that on the upper deck of the machine room ( 2 ), a solar system ( 14 ) for power generation is installed in. 6. Meereswellen-Kraftwerk nach den Ansprüchen 1 bis 5, dadurch gekennzeichnet, daß es zur Erhöhung der Leistung auch mit einer Brennkraft-Turbinenanlage zur Stromer­ zeugung ausgerüstet ist, in welcher die durch die Meereswellen erzeugte Druckluft anstelle der Druckluft aus der Verdichterstufe der Turbine zum Betreiben der Turbine genutzt wird.6. Sea wave power plant according to claims 1 to 5, characterized in that it to increase performance also with an internal combustion turbine system to the Stromer Generation is equipped in which the compressed air generated by the sea waves instead the compressed air from the compressor stage of the turbine is used to operate the turbine.
DE4134692A 1991-10-21 1991-10-21 Wave-powered electrical generation plant - has floats used to drive reciprocating piston air compressors Withdrawn DE4134692A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE4134692A DE4134692A1 (en) 1991-10-21 1991-10-21 Wave-powered electrical generation plant - has floats used to drive reciprocating piston air compressors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4134692A DE4134692A1 (en) 1991-10-21 1991-10-21 Wave-powered electrical generation plant - has floats used to drive reciprocating piston air compressors

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DE4134692A1 true DE4134692A1 (en) 1992-05-21

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999013218A1 (en) * 1997-09-10 1999-03-18 Per Lyngstad Sea-wave power plant
WO2006108602A2 (en) * 2005-04-11 2006-10-19 Werner Westphal Power plant
WO2009003371A1 (en) * 2007-07-03 2009-01-08 Xuefeng Ye A stable power-output device with a linear long-shaft driven by wave
US7872363B2 (en) * 2006-04-13 2011-01-18 Morse Arthur P Wave energy harvesting and hydrogen-oxygen generation systems and methods
DE102010027361A1 (en) * 2010-07-16 2012-01-19 Werner Rau Electrical power producing device for use in wave stroke power plant for supplying electrical power to household, has float, where buoyant force and potential energy of float perform mechanical work that is converted into electrical power
ITMI20102022A1 (en) * 2010-10-29 2012-04-30 Ventury Di Achille Grignani PLANT FOR THE PRODUCTION OF ELECTRICAL ENERGY IN A COOL LOCATION POWERED BY DIVERSIFIED SOURCES OF RENEWABLE ENERGY
CN104405573A (en) * 2014-10-15 2015-03-11 深圳朴方环保发展有限公司 Device for generating electricity by tide

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999013218A1 (en) * 1997-09-10 1999-03-18 Per Lyngstad Sea-wave power plant
WO2006108602A2 (en) * 2005-04-11 2006-10-19 Werner Westphal Power plant
WO2006108602A3 (en) * 2005-04-11 2007-02-22 Werner Westphal Power plant
US7872363B2 (en) * 2006-04-13 2011-01-18 Morse Arthur P Wave energy harvesting and hydrogen-oxygen generation systems and methods
WO2009003371A1 (en) * 2007-07-03 2009-01-08 Xuefeng Ye A stable power-output device with a linear long-shaft driven by wave
AU2008271828B2 (en) * 2007-07-03 2011-04-28 Xuefeng Ye A stable power-output device with a linear long-shaft driven by wave
US8499554B2 (en) 2007-07-03 2013-08-06 Xuefeng Ye Stable power-output device with a linear long-shaft driven by waves
DE102010027361A1 (en) * 2010-07-16 2012-01-19 Werner Rau Electrical power producing device for use in wave stroke power plant for supplying electrical power to household, has float, where buoyant force and potential energy of float perform mechanical work that is converted into electrical power
ITMI20102022A1 (en) * 2010-10-29 2012-04-30 Ventury Di Achille Grignani PLANT FOR THE PRODUCTION OF ELECTRICAL ENERGY IN A COOL LOCATION POWERED BY DIVERSIFIED SOURCES OF RENEWABLE ENERGY
WO2012056482A1 (en) * 2010-10-29 2012-05-03 Ventury Di Achille Grignani Plant for the production of electrical energy in coastal areas using wave
CN104405573A (en) * 2014-10-15 2015-03-11 深圳朴方环保发展有限公司 Device for generating electricity by tide

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