BE1020276A3 - LIQUID PUMP AND THROUGH THIS FOOD WATER POWER. - Google Patents

LIQUID PUMP AND THROUGH THIS FOOD WATER POWER. Download PDF

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Publication number
BE1020276A3
BE1020276A3 BE2011/0580A BE201100580A BE1020276A3 BE 1020276 A3 BE1020276 A3 BE 1020276A3 BE 2011/0580 A BE2011/0580 A BE 2011/0580A BE 201100580 A BE201100580 A BE 201100580A BE 1020276 A3 BE1020276 A3 BE 1020276A3
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BE
Belgium
Prior art keywords
membrane
water
housing
pump
liquid pump
Prior art date
Application number
BE2011/0580A
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Dutch (nl)
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Huwe Alain
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Priority to BE2011/0580A priority Critical patent/BE1020276A3/en
Application granted granted Critical
Publication of BE1020276A3 publication Critical patent/BE1020276A3/en

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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
    • F03B13/188—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 flexible or deformable
    • 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
    • F03B13/06—Stations or aggregates of water-storage type, e.g. comprising a turbine and a pump
    • 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
    • F03B13/1825—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 360° rotation
    • F03B13/1835—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 360° rotation of an endless-belt type wom
    • 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
    • F03B13/1885—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 tied to the rem
    • F03B13/189—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 tied to the rem acting directly on the piston of a pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/97—Mounting on supporting structures or systems on a submerged structure
    • 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
    • Y02E10/20—Hydro energy
    • 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
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids

Abstract

Deze uitvinding heeft tot doel het principe van een waterkrachtcentrale te kunnen toepassen in de nabijheid van beschikbare golven. Het water wordt na de turbine met behulp van aangepaste membraanpompen weggepompt. De pomp is zeer eenvoudig, en bestaat hoofdzakelijk uit een variabele ruimte, gevormd tussen een stevig lichaam en een soepel membraan.The present invention has for its object to be able to apply the principle of a hydroelectric power station in the vicinity of available waves. The water is pumped away after the turbine with the help of adapted membrane pumps. The pump is very simple, and consists mainly of a variable space, formed between a sturdy body and a flexible membrane.

Description

Vloeistofpomp en door deze gevoede waterkrachtcentraleLiquid pump and this hydroelectric power station

Deze uitvinding heeft tot doel het principe van een waterkrachtcentrale te kunnen toepassen in de nabijheid van beschikbare golven. Hiervoor wordt er een aangepaste vloeistofpomp gebruikt.The present invention has for its object to be able to apply the principle of a hydroelectric power station in the vicinity of available waves. An adapted fluid pump is used for this.

In klassieke waterkrachtcentrales wordt het hoogteverschil tussen twee waterniveaus in een waterloop gebruikt om de op het hoogste niveau aanwezige potentiële energie van het water op een lager niveau om te zetten in bruikbare energie. Door een pijp loopt het water van een (spaar)bekken via de turbine terug naar de waterstroom; de stroom vult het bekken en stroom evacueert de watermassa weer onderaan de installatie.In conventional hydroelectric power stations, the difference in height between two water levels in a watercourse is used to convert the potential energy of the water present at the highest level at a lower level into usable energy. The water from a (saving) basin runs through a pipe back through the turbine to the water stream; the stream fills the basin and stream evacuates the water mass at the bottom of the installation.

Het opzet van deze uitvinding is om dit principe te kunnen toepassen in een gesloten circuit.The purpose of this invention is to be able to apply this principle in a closed circuit.

Hiervoor wordt gebruik gemaakt van twee (of meerdere) reservoirs die door een hoogte van mekaar gescheiden zijn (vb. rl en r2 in fig.l). Uit het hoger gelegen reservoir kan het water naar het lager gelegen reservoir stromen (het principe van de klassieke waterkracht). Via een buizensysteem en één of meer pompen, wordt het water van de laagste reservoirs weer naar de bovenste gepompt (vb. bl,b2 en p in fig.l). De pompen bevinden zich op de bodem in het (zee)water en zullen door golfenergie aangedreven worden, de reservoirs bevinden zich aan het vaste land (of zijn minstens volledig afgescheiden, bijvoorbeeld in een holle poot van een boorplatform of de draagstructuur van een windmolen op zee).For this, use is made of two (or more) reservoirs that are separated by a height (e.g. r1 and r2 in fig. 1). From the higher reservoir, the water can flow to the lower reservoir (the principle of traditional hydropower). Via a pipe system and one or more pumps, the water from the lowest reservoirs is pumped back to the upper one (eg b1, b2 and p in fig. 1). The pumps are on the bottom in the (sea) water and will be powered by wave energy, the reservoirs are on the mainland (or are at least completely separated, for example in a hollow leg of a drilling platform or the support structure of a windmill on sea).

Het hoogste reservoir ligt lager dan het zeeniveau of wateroppervlak.The highest reservoir is lower than the sea level or water surface.

De pomp bestaat uit een stevige tank (in metaal, kunststof, beton,...) met daaraan bevestigd een soepel membraan met verstevigingen. Het geheel is waterdicht, en verankerd op, of verzonken in, de bodem (vb. p, pm, pt in fig.2). Op deze tank komen aan- en afvoerbuizen toe van de respectievelijke reservoirs (voorzien van een kleppensysteem). Aan het membraan is een vlotter (vb. v in fig.2) bevestigd met een kabel van ideale lengte, die voorzien is van een beveiliging tegen te grote trekkrachten (vb. k in fig.2). Het membraan is steeds onderhevig aan de waterdruk (d in fig.3), en bij opgaande beweging van de vlotter, aan de liftkracht (L in fig.3) van de vlotter. De liftkracht van de vlotter is groter dan de op het membraan uitgeoefende waterdruk. In het dal van de golf oefent de vlotter zo min mogelijk lift uit.The pump consists of a sturdy tank (in metal, plastic, concrete, ...) with a flexible membrane with reinforcements attached to it. The whole is watertight, and anchored in, or sunk in, the bottom (e.g. p, pm, pt in fig.2). Supply and discharge pipes from the respective reservoirs (fitted with a valve system) are supplied to this tank. A float (e.g., v in Figure 2) is attached to the diaphragm with a cable of ideal length, which is provided with protection against excessive tensile forces (e.g., k in Figure 2). The diaphragm is always subject to the water pressure (d in Fig. 3), and with the upward movement of the float, to the lifting force (L in Fig. 3) of the float. The lifting force of the float is greater than the water pressure exerted on the membrane. In the valley of the golf, the float exerts as little lift as possible.

Aangezien de pomp via een buis in verbinding staat met een reservoir dat lager ligt dan de het wateroppervlak (zeespiegel) is de druk uitgeoefend door het (zee)water op het membraan hoger dan de tegendruk van het water in het reservoir (communicerende vaten). De pomp ledigt zijn inhoud in het hoogste reservoir als de liftkracht van de vlotter opgehoffen wordt door de neergaande golf (vb. fig3). Als de liftkracht van de vlotter groter is dan de waterdruk (opgaande golf) wordt er een onderdruk gecreëerd en zuigt de pomp het water uit het laagste reservoir aan (minder +/- 10m hoogteverschil - limiet zuigpomp).Since the pump is connected via a tube to a reservoir that is lower than the water surface (sea level), the pressure exerted by the (sea) water on the membrane is higher than the back pressure of the water in the reservoir (communicating vessels). The pump empties its contents into the highest reservoir when the lift force of the float is relieved by the descending wave (e.g. Fig. 3). If the lift force of the float is greater than the water pressure (rising wave), an underpressure is created and the pump draws in the water from the lowest reservoir (less +/- 10m height difference - limit suction pump).

Het aldus beschreven procédé laat het gebruik van zoet water toe. Indien men bereid is van zout water te gebruiken, of het water van bijvoorbeeld een meer, dan kan de installatie vereenvoudigd worden (bv fig.4): het bovenste reservoir (vb. rl in fig.l) wordt gevuld met gefilterd (zee)water, of verliest zijn functie, en de afvoerbuis (vb bl in fig.l) wordt een uitlaat (vb. b4 in fig.4).The process thus described permits the use of fresh water. If one is prepared to use salt water, or the water from, for example, a lake, the installation can be simplified (eg fig. 4): the upper reservoir (eg rl in fig. 1) is filled with filtered (sea) water, or loses its function, and the drain pipe (e.g., b1 in Figure 1) becomes an outlet (e.g., b4 in Figure 4).

Het membraan van de pomp (vb. pm in fig.2) kan voorzien worden van ballast om de (over)druk in de pomp te regelen, de liftkracht van de vlotter wordt navenant aangepast.The diaphragm of the pump (e.g. pm in fig. 2) can be provided with ballast to control the (over) pressure in the pump, the lift force of the float is adjusted accordingly.

Aldus kan op een eenvoudige manier golfenergie omgezet worden in bruikbare energie.Wave energy can thus be converted into usable energy in a simple way.

Claims (1)

Conclusies - een vloeistofpomp bestaande uit een soepel membraan en een stevige behuizing. Het membraan bestaat uit stevig, doch soepel, waterdicht materiaal (op basis van rubbers, plastics, kunststoffen, e.d., al dan niet met vezels versterkt) met één of meerdere bevestigingspunten dienende voor de aandrijving/beweging van het membraan. De behuizing kan een vlakke plaat zijn, of bestaan uit een volume, bijvoorbeeld een half gesloten cilinder. De behuizing is gemaakt uit een stevig, waterdicht materiaal; metaal, kunststof, beton, e.d. De behuizing is voorzien van een of meerdere inlaten en/of uitlaten, met kleppen. Het soepele membraan en de behuizing zijn op een stevige en waterdichte manier met elkaar verbonden. Het membraan kan de binnenste wand of wanden van de behuizing volledig of gedeeltelijk bedekken. Zo ontstaat er ruimte, variabel volgens de positie van het membraan t.o.v. de wand(en) van de behuizing. Door het bewegen van het membraan t.o.v. de wand(en) ontstaat er een verschil in druk in de ruimte. - een vloeistofpomp zoals beschreven, bevestigd op een bepaalde diepte, op of in de bodem van een watermassa (rivier, zee, meer,...), en van die grootte dat de inhoud van de pomp grote volumes water, honderden tot zelfs duizenden liters, kan bevatten. - een vloeistofpomp, zoals beschreven, die gebruik maakt van de luchtdruk en/of de waterdruk van een watermassa om zich te ledigen. - een vloeistofpomp, zoals beschreven, waarvan het membraan zodanig stevig en verstevigd is, of zelfs gedeeltelijk verhard, dat het een trekkracht, tot zelfs meerdere ton, bijvoorbeeld uitgeoefend door een bevestigd vlottend lichaam, herhaaldelijk kan ondergaan. - een vloeistofpomp zoals beschreven, waarvan het membraan een ballast bevat en/of bestaat uit een elastisch materiaal, teneinde de druk in de pomp te wijzigen, te vermeerderen. - een waterkrachtcentrale, fabriek of watermassa, zich volledig of gedeeltelijk bevindend onder het water niveau/zeeniveau, in vaste grond of afgeschermd (door, bijvoorbeeld, een holle poot van een boorplatform), gebruikende de beschreven vloeistofpomp (één of meerdere) voor het verplaatsen van een vloeistof.Conclusions - a fluid pump consisting of a flexible membrane and a sturdy housing. The membrane consists of a sturdy, yet flexible, waterproof material (based on rubbers, plastics, plastics, and the like, whether or not reinforced with fibers) with one or more fixing points for the drive / movement of the membrane. The housing can be a flat plate or consist of a volume, for example a half-closed cylinder. The housing is made of a sturdy, waterproof material; metal, plastic, concrete, etc. The housing is provided with one or more inlets and / or outlets, with valves. The flexible membrane and the housing are connected to each other in a robust and watertight manner. The membrane can completely or partially cover the inner wall or walls of the housing. This creates space, variable according to the position of the membrane relative to the wall (s) of the housing. By moving the membrane relative to the wall (s), there is a difference in pressure in the space. - a liquid pump as described, mounted at a certain depth, on or in the bottom of a body of water (river, sea, lake, etc.), and of such a size that the contents of the pump contain large volumes of water, hundreds or even thousands liters, can contain. - a liquid pump, as described, which uses the air pressure and / or the water pressure of a water mass to empty itself. - a liquid pump as described, the membrane of which is so strong and reinforced, or even partially hardened, that it can repeatedly undergo a tensile force, even up to several tons, exerted by a mounted floating body. - a liquid pump as described, the membrane of which contains a ballast and / or consists of an elastic material, in order to change the pressure in the pump, to increase it. - a hydroelectric power plant, plant or water mass, wholly or partially located below the water level / sea level, in solid ground or shielded (by, for example, a hollow leg of a drilling platform), using the described liquid pump (one or more) for moving of a liquid.
BE2011/0580A 2011-10-10 2011-10-10 LIQUID PUMP AND THROUGH THIS FOOD WATER POWER. BE1020276A3 (en)

Priority Applications (1)

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BE2011/0580A BE1020276A3 (en) 2011-10-10 2011-10-10 LIQUID PUMP AND THROUGH THIS FOOD WATER POWER.

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BE2011/0580A BE1020276A3 (en) 2011-10-10 2011-10-10 LIQUID PUMP AND THROUGH THIS FOOD WATER POWER.
BE201100580 2011-10-10

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3353787A (en) * 1966-07-11 1967-11-21 Marcel S Semo Useful power from ocean waves
US3989951A (en) * 1975-04-29 1976-11-02 Westinghouse Electric Corporation Wave energy power generating breakwater
GB2282188A (en) * 1993-09-24 1995-03-29 Edward Dyson Extracting energy from waves
WO2003033824A1 (en) * 2001-10-18 2003-04-24 Seapower Pacific Pty Ltd Wave power generator
DE202007002840U1 (en) * 2007-02-27 2007-10-11 Gauss, Konstantin A sea-wave power plant for a weather-independent supply with uniformly strong electric current
EP2034177A1 (en) * 2007-09-05 2009-03-11 Earthfly Holding GmbH Method and device for generating energy from hydropower
EP2123903A1 (en) * 2008-05-22 2009-11-25 Paraskevas Dunias Device for converting wave energy into electrical energy

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3353787A (en) * 1966-07-11 1967-11-21 Marcel S Semo Useful power from ocean waves
US3989951A (en) * 1975-04-29 1976-11-02 Westinghouse Electric Corporation Wave energy power generating breakwater
GB2282188A (en) * 1993-09-24 1995-03-29 Edward Dyson Extracting energy from waves
WO2003033824A1 (en) * 2001-10-18 2003-04-24 Seapower Pacific Pty Ltd Wave power generator
DE202007002840U1 (en) * 2007-02-27 2007-10-11 Gauss, Konstantin A sea-wave power plant for a weather-independent supply with uniformly strong electric current
EP2034177A1 (en) * 2007-09-05 2009-03-11 Earthfly Holding GmbH Method and device for generating energy from hydropower
EP2123903A1 (en) * 2008-05-22 2009-11-25 Paraskevas Dunias Device for converting wave energy into electrical energy

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