[go: up one dir, main page]

WO2012134342A1 - Dispositif et procédé pour produire de l'énergie électrique à partir de l'énergie de mouvement des vagues à la surface de l'eau - Google Patents

Dispositif et procédé pour produire de l'énergie électrique à partir de l'énergie de mouvement des vagues à la surface de l'eau Download PDF

Info

Publication number
WO2012134342A1
WO2012134342A1 PCT/RU2012/000150 RU2012000150W WO2012134342A1 WO 2012134342 A1 WO2012134342 A1 WO 2012134342A1 RU 2012000150 W RU2012000150 W RU 2012000150W WO 2012134342 A1 WO2012134342 A1 WO 2012134342A1
Authority
WO
WIPO (PCT)
Prior art keywords
energy
compressed air
floats
specified
pneumatic
Prior art date
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.)
Ceased
Application number
PCT/RU2012/000150
Other languages
English (en)
Russian (ru)
Inventor
Олег Геннадьевич ДМИТРИЕВ
Евгений Григорьевич ТАБОТА
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZAKRYTOE AKTSIONERNOE OBSHCHESTVO "KD TEKHNOLODZHI"
Original Assignee
ZAKRYTOE AKTSIONERNOE OBSHCHESTVO "KD TEKHNOLODZHI"
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ZAKRYTOE AKTSIONERNOE OBSHCHESTVO "KD TEKHNOLODZHI" filed Critical ZAKRYTOE AKTSIONERNOE OBSHCHESTVO "KD TEKHNOLODZHI"
Publication of WO2012134342A1 publication Critical patent/WO2012134342A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • F03B13/24—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 to produce a flow of air, e.g. to drive an air turbine
    • 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"
    • F03B13/20—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" wherein both members, i.e. wom and rem are movable relative to the sea bed or shore
    • 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

Definitions

  • the present invention relates to the field of conversion and storage of non-traditionally renewable clean energy sources for the production of electric energy, and more particularly, to a device for producing electric energy from the wave energy of the water surface and the method implemented therein.
  • This device contains many associated means for converting energy, each of which has a support mechanism fixed in a fixed position relative to the surface of the aquatic environment.
  • a block system is fixed on each support mechanism, a float is fixed with the possibility of sliding, and a corresponding drive shaft is fixed with the possibility of rotation.
  • the specified motion transmission mechanism comprises a hollow housing rotatably attached to the drive shaft and having a compartment for the float cable and a compartment for the counterweight cable and a cylindrical drum with ratchet placed in the hollow housing and mounted on the drive shaft.
  • the device has a means of transmitting rotation from the specified housing of the mechanism for transmitting the movement caused by lowering the float to the ratchet drum and means for converting the rotation of the drive shaft (extracted mechanical resistance energy) into electrical energy.
  • the method implemented in this device is that they extract the mechanical energy of resistance to the vertical movement of each float, obtained from the energy of the wave motion of the surface of the aquatic environment, limited by the area of the group of floats. After that, the extracted mechanical resistance energy is converted into torque of the corresponding drive shaft connected to the specified group of floats. Specified torque the moment is summed up on a single drive shaft of the device and converted to the total torque that is transmitted to the drive shaft by means for converting the extracted mechanical resistance energy obtained from the wave motion energy of the surface of the aqueous medium and transmitting this energy to the drive shaft of an electric generator to generate electrical energy.
  • the described device has a complex design and has a high material consumption, in which each float has a significant mass and size.
  • the described device allows you to extract the mechanical energy of resistance from the energy of the wave motion of the surface of an aqueous medium having a wave height of at least one meter.
  • the described device comprises a plurality of connected floats that form an articulated structure in which each pair of adjacent floats is connected using a connecting link configured to provide relative rotational movement of these neighboring floats under the action of the wave motion of the surface of the aqueous medium.
  • each said connecting link comprises means for resisting the relative rotational movement of said adjacent floats, means for extracting the power generated by this resistance, and means for converting the extracted power into electrical energy.
  • the device includes a mechanism for forming a rotation angle of the vertical plane with the possibility of relative rotation of each connecting link away from the horizontal axis, as well as a mechanism for limiting the deviation provided on each of these floats, adapted for applying periodically varying restrictions to the orbital reciprocating in the vertical direction to the relative movement of every three pairs of neighboring floats as a reaction to the existing sea waves.
  • the method of extracting power from the wave motion of the surface of the water contains the following steps: using the described device, applying an angle of inclination of rotation to at least several connecting links in an articulated structure so that the angle of relative rotation is at least several the connecting links is at an angle of inclination relative to the horizontal; and applying a varying constraint to the relative rotation of each pair of adjacent floats to control the dynamic response of the structure to the action of the waves, the limitation periodically changing in accordance with the magnitude of the waves.
  • the described device forms an open chain-shaped structure having an anchor system for attachment to the bottom of a reservoir.
  • Each float has an elongated cylindrical shape and a length substantially equal to a predetermined distance between the crests of two waves of the water surface used to produce electrical energy.
  • Each connecting link is an articulated coupling having two radial bearings of rotation located between the floats.
  • the couplings are designed in such a way that they provide relative rotational motion simultaneously in each pair of adjacent floats.
  • the longitudinal axis of the floats form a broken zigzag spatial line, which is combined with the direction of the wave front of the specified water surface.
  • Each hinged clutch is capable of providing relative rotational movement of two adjacent floats under the action of the wave motion of the surface of the aquatic environment, but does not have the ability to change the distance between the floats in the horizontal plane and to change the position of the neighboring floats relative to each other in the vertical plane.
  • the specified set of means of resistance to relative rotational displacement is placed in these articulated couplings and is configured to extract hydraulic resistance energy to the specified relative rotational displacement.
  • This set of resistance means is a set of high-pressure hydrostatic accumulators characterizing the energy density of a liquid medium and used as hydrostatic sources of previously accumulated hydraulic energy.
  • the device also contains many groups of energy conversion means, each of which is located in the corresponding float.
  • Each energy conversion means is a hydraulic system comprising a hydraulic cylinder with a piston and an engine used as hydrodynamic source of allocated hydrodynamic energy.
  • the energy flux density (i.e. power) of the liquid medium in each hydraulic cylinder is random, since it is based on random power factors of the wave motion.
  • the magnitude of the reciprocating movement of the piston in each hydraulic cylinder corresponds to the magnitude of the reciprocating movement of each float relative to the corresponding axis.
  • the amount of hydrodynamic energy released for each unit of time in each float is determined by the total value of the energy flux density of the specified liquid medium, which corresponds to the total length of the indicated reciprocating movements of all the pistons of the hydraulic cylinders in each specified group of energy conversion means.
  • the extracted resistance energy is converted into torque energy with a specific rotational speed of a drive shaft connected to a drive shaft of an electric generator for generating electric energy.
  • This device uses an incompressible liquid medium, which simultaneously performs the function of a resistance means to provide resistance to the relative rotational movement of each pair of floats and the function of a hydraulic multiplier when transmitting the energy of the specified torque to the drive shaft of a hydraulic motor connected to the drive shaft of an electric generator.
  • the specified function of the hydraulic multiplier is carried out by moving the liquid medium in a closed circuit in a limited closed volume. Using the specified motion of the liquid medium, the drive shaft of the hydraulic motor is driven in one-way rotation.
  • the instability of the extracted hydraulic energy leads to the instability of the produced electric energy, which necessitates an additional step, which consists in the preliminary accumulation and stabilization of the generated electric energy for its subsequent sale to the consumer, which significantly increases the cost of generating electric energy.
  • the elongated chain-shaped shape of the device leads to the need to adjust the angle between the longitudinal axis of the floats and the direction of the wave front of the aquatic environment, which reduces the actual useful surface area of the wave water surface that the device occupies, since it requires reservation of the surface area of the aquatic environment to carry out this adjustment.
  • the described device has a complex design and has a high material consumption, in which each float has a significant mass and size.
  • the described device allows you to extract the mechanical energy of resistance from the energy of the wave motion of the surface of an aqueous medium having a wave height of at least one meter.
  • the aforementioned method and device do not allow the production of high-quality electric energy, while the amount of electric energy produced is not a constant value, but is random in nature.
  • the basis of the present invention is the task to create a device for the production of electrical energy from the energy of the wave motion of the water surface with such design features and the method implemented in it with such techniques that would reduce the material consumption of the device and at minimal cost to extract resistance energy from the wave energy of the water surface environment, including, including a wave height of 0, 4 meters or more, to increase the efficiency of using the area of wave motion surface of the aquatic environment, increase the power and stability of the produced electric energy and significantly improve the quality of the produced electric energy.
  • each of said plurality of connecting links is configured to allow relative vertical movement of each pair of adjacent floats under the influence of the wave energy of the water surface medium, on each float is fixed at least one of the specified set of means for the formation and extraction resistance energy, which is the first pneumatic device configured to form a plurality of discrete energy elements of compressed air, the device comprising means for collecting a plurality of discrete energy elements of compressed air, in communication with each first pneumatic device, configured to equalize the vibrations of
  • the proposed device allows you to extract pneumatic energy as resistance energy, which is used to produce electrical energy.
  • the extraction of pneumatic energy makes it possible to use the spring properties of the air in order to convert the chaotic energy of the movement of the surface of the water medium into uniform electrical energy, which makes it possible to significantly improve the quality of the produced electric energy.
  • each float is small in size, which is determined only by the size and weight of the pneumatic device, since the air does not increase the size or weight of the device.
  • Such design features make it possible to extract pneumatic energy from the energy of wave motion of the surface of an aqueous medium having a wave height of 0.4 meters or more, which can significantly increase the efficiency of using the area of wave motion of the surface of an aqueous medium.
  • the use of the indicated pneumatic energy ensures the stability of the generated electric energy and ensures the stability of its multi-megawatt power (of the order of 0, 1 - 100 MW) due to the creation of a shock-absorbing air spring, which ensures the formation of uniform vibrations of the compressed air, the creation of a uniform flow of pneumatic energy and direct the transmission of this energy to the drive shaft of an electric generator to produce electrical energy.
  • the indicated structural embodiment of the proposed device allows the use of devices already available in the industry as individual components of the proposed device, as well as its production of individual components in mass production, which significantly minimizes the material costs of manufacturing the proposed device and significantly reduces its payback time .
  • each said first pneumatic device be a volume-enclosed pneumatic compressor having means for introducing an air medium, a cavity for accommodating the air medium, compressing it and forming a plurality of discrete energy elements of a compressed air medium and means for outputting a plurality of discrete energy elements of compressed air Wednesday.
  • said means for introducing an air medium and said means for outputting a plurality of discrete energy elements of compressed air medium of each said compressor comprise respective first and second one-way check valves located in the casing of said compressor.
  • check valves ensures the stability of the proposed device, which ensures stable pneumatic energy and, accordingly, stable electrical energy.
  • said means for collecting a plurality of discrete energy elements of compressed air is a sealed reservoir adapted to accumulate compressed air and having means for introducing a plurality of discrete energy elements of compressed air in communication with each said means for withdrawing them from said plurality of means for the formation and extraction of resistance energy, and means for outputting a uniform flow of compressed air, communicated with the second pneumatic a fixture.
  • the presence of the specified reservoir having a simple structural design, makes it possible to use the elastic, spring properties of the air in order to convert chaotic energy of movement the surface of the aqueous medium into uniform pneumatic energy, which makes it possible to significantly improve the quality of the produced electrical energy.
  • said means for introducing a plurality of discrete elements of energy of compressed air of said reservoir contain at least one channel in communication with the cavity of said reservoir, and means for outputting a uniform flow of compressed air of said reservoir contains a pressure reducing valve placed in the housing of said reservoir.
  • the specified design provides amortization of the chaotic pulsation of many discrete energy elements of compressed air coming from many compressors through the input means.
  • the density and pressure of the air in the closed volume of the reservoir increases.
  • the pressure increases proportionally from each individual element throughout the entire closed volume of the tank, smoothing and damping every impulse from each individual element.
  • a constant pressure of compressed air without surges is present at the inlet of the pressure reducing valve.
  • each said flexible sealed connecting means is a flexible hose made of an elastic polymer material.
  • said second pneumatic device is a pneumatic engine having a drive shaft configured to rotate under the action of a uniform flow of pneumatic energy of compressed air, while the means for converting the extracted energy to electrical energy has a drive shaft connected to the drive shaft of the air motor.
  • Such a structural embodiment of the second pneumatic device is designed to convert the energy of compressed air into mechanical work and provides stable electrical energy.
  • each of the specified pneumatic compressor was connected to the corresponding specified connecting link through a swivel.
  • each said connecting link be made with the possibility of plane-parallel displacements in the vertical plane and simultaneous reciprocating movements around the axis of rotation of the corresponding articulated joints.
  • each said connecting link In order to increase the surface area of the aquatic environment from which electrical energy is generated, it is advantageous for each said connecting link to be able to change the distance between said adjacent floats in a horizontal plane.
  • each said connecting link is configured to change its length with relative vertical movement of the respective two indicated adjacent floats without changing the distance between these floats in the horizontal plane.
  • each said connecting link be a telescopic connecting rod that has a sliding housing containing two end links and a central link.
  • each specified sliding housing with the possibility of reciprocating longitudinal movement towards each other, two pistons are placed, each of which has a corresponding rod, while inside the specified central
  • the end surfaces of these pistons form a central sealed chamber, and the side surfaces of two of these rods form two corresponding rod cavities, said sealed chamber and said rod cavities communicating via a pressure reducing valve with said means for collecting a plurality of discrete energy elements of compressed air.
  • each pin be attached to each free end of each specified extreme link, while it is favorable that the corresponding pin be integral with the corresponding extreme link, in addition, it is useful that each the trunnion was adapted to accommodate the corresponding articulation.
  • each float from the specified plurality of floats has a shape that ensures its stability.
  • each float from said plurality of floats be made in the form of a tablet.
  • the specified set of floats was articulated in the form of a network.
  • the indicated set of floats it is possible for the indicated set of floats to be articulated in a closed circuit.
  • said floats, said connecting links, structural components of said first and second pneumatic devices are made of polymer materials.
  • the problem is also solved by the creation of a method of producing electrical energy from the energy of the wave motion of the surface of the aquatic environment, which consists in using a device containing many floats forming an articulated structure, which is located on the surface of the aquatic environment and in which each pair of adjacent floats is connected using a connecting link, providing the possibility of relative movement of each pair of neighboring floats under the action of the energy of the wave motion of the surface of the water medium with the formation of resistance energy to the indicated relative displacement of each pair of adjacent floats, on each of which at least one means for generating and extracting the specified resistance energy is attached, which is connected to the corresponding connecting link and with the help of which the specified resistance energy is extracted, which transmit to the conversion means and produce electrical energy, while, according to the invention, as the specified resistance energy obtained from the ene gii wave motion of the surface of the aquatic environment, extract the pneumatic energy, the formation of which is carried out using the following steps: as a relative displacement under the influence of the energy of the wave motion of the surface
  • the proposed method allows you to extract the energy of the wave motion of the surface of the aquatic environment in the form of pneumatic energy, which is used to produce electrical energy.
  • These steps, used to extract pneumatic energy provide the creation of a shock-absorbing air spring, which makes it possible to use the spring properties of the air in order to convert the chaotic energy of movement of the surface of the water medium into uniform electrical energy.
  • the proposed method for the production of electrical energy from the energy of the wave motion of the surface of the aquatic environment is as follows
  • the proposed method consists in the use of a device containing many floats forming an articulated structure (floating system), which is located on the surface of the aquatic environment.
  • floating system articulated structure
  • the placement of the floating system is carried out using the following steps:
  • the floating system contains a small number of floats.
  • a plurality of adjacent floats is articulated using a plurality of articulated mechanical connecting links, then the compressor cavities are sealed through check valves using flexible sealed connecting means into a single closed cavity filled with air. And they place the assembled floating system on the surface of the aquatic environment.
  • this system is created directly on the surface of the aquatic environment.
  • floats are delivered to the surface of the aquatic environment using appropriate floating means, then many adjacent floats are articulated with a plurality of articulated mechanical connectors, then the compressor cavities are hermetically connected through check valves using flexible sealed connecting devices.
  • each pair of adjacent floats is connected using a connecting link, providing the possibility of relative vertical movement of each pair of neighboring floats under the action of the energy of the wave motion of the surface of the aqueous medium.
  • At least one means of extracting said pneumatic energy is fixed on each float, connected to a corresponding connecting link, and said pneumatic resistance energy is extracted. They transfer this energy to a conversion means and produce electrical energy.
  • pneumatic energy is extracted as the indicated resistance energy obtained from the wave motion energy of the surface of the aqueous medium, the formation of which is carried out using the following steps: as a relative displacement under the action of the wave motion energy of the surface of the water medium, a relative vertical movement of each pair of adjacent floats is provided, using a variety of means for extracting the specified resistance energy compresses the air and creates many dis the compressed energy elements of the compressed air, which are fed into the closed cavity of the sealed tank, in which their vibrations are balanced, create the specified pressure of the compressed air medium and form a shock-absorbing air spring, from which a uniform flow of compressed air is formed, which is sequentially expanded and creates a uniform flow of pneumatic energy obtained from the energy of the wave motion of the surface of the aquatic environment from which electrical energy is generated.
  • the creation of a cushioning air spring in the enclosed cavity makes it possible to use the spring properties of the air in order to convert the chaotic energy of the movement of the surface of the water medium first into uniform pneumatic energy, and then into uniform electric energy.
  • cushioning air spring we mean the closed volume in which the elastic air element used is used. for shock and shock absorption, vibration isolation, creation of predetermined initial forces, accumulation of pneumatic energy.
  • Each cushioning air spring has a maximum allowable load, upon reaching which the specified spring becomes stressed and to eliminate its destruction begins to give off excess pneumatic energy.
  • the shock-absorbing air spring perceives many instantaneous impacts of external forces (discrete energy elements of compressed air), which carry out the work of elastic deformation of the material of the shock-absorbing air spring to bring it into a stressed state.
  • the shock-absorbing air spring damps the instantaneous energy of each impact of external forces, that is, it suppresses the external vibrations of the pneumatic system from each discrete energy element and releases the received discrete energy of compressed air from each discrete element in a uniform flow, while maintaining pressure at a given level .
  • the pressure of the compressed air medium is used in the range from slightly more than 1 atmosphere to 5 atmospheres.
  • FIG. 1 schematically depicts the proposed device for the production of electrical energy from the energy of the wave motion of the surface of an aqueous medium, made according to the invention, a General view, isometry with gaps;
  • FIG. 2 place A in FIG. 1, zoomed in;
  • FIG. 3 (a, c) - compressor made according to the invention, in two positions, longitudinal section;
  • FIG. 4 (a, c) is a turbine expander made according to the invention, a cross section of a front view and a longitudinal section of a side view;
  • FIG. 5 - telescopic connecting rod made according to the invention, isometry, longitudinal section;
  • FIG. 6 is a variant of the proposed device made according to the invention, in which many floats are pivotally connected in the form of a network, top view;
  • FIG. 7 is a variant of the proposed device made according to the invention, in which many floats are pivotally connected in the form of a closed circuit, top view.
  • the proposed device for the production of electrical energy from the energy of the wave motion of the surface of an aqueous medium comprises an articulated structure 1 (Fig. 1) formed from a plurality of floats 2.
  • an articulated structure 1 formed from a plurality of floats 2.
  • each pair of adjacent floats 2 is connected using the corresponding connecting link 3, configured to provide relative vertical movement of these adjacent floats 2 under the action of the energy of the wave motion of the surface of the aqueous medium.
  • the proposed device also contains many means 4 for the formation and extraction of resistance energy, configured to generate pneumatic resistance energy to a specified relative displacement, corresponding to the wave energy of the surface of the aquatic environment, and to extract said pneumatic energy.
  • at least one means 4 is formed on each float 2 for the formation and extraction of resistance energy, which is connected to the corresponding of these connecting links 3.
  • the proposed device comprises means 5 for converting the extracted pneumatic energy into electrical energy.
  • Each of these many means 4 for the formation and extraction of energy is the first pneumatic device 6, configured to form many discrete energy elements of compressed air.
  • FIG. 1 shows an embodiment of the present invention in which the articulated structure 1 of the device of the invention comprises four floats 2, each of which is made in the form of a tablet.
  • Neighboring floats 2 are connected using four articulated mechanical connecting means 3 so that the three floats 2 form a triangular shape, which is connected to a separate fourth float 2.
  • each float 2 is fixed such a number of first pneumatic devices 6, which corresponds to the number of neighboring floats 2.
  • the device comprises means 7 for collecting a plurality of discrete energy elements of compressed air, and a second pneumatic device 8.
  • a means 7 for collecting a plurality of discrete energy elements of compressed air is communicated with each first pneumatic device 6 and is configured to generate a uniform flow of compressed air.
  • the second pneumatic device 8 is configured to sequentially expand the flow of compressed air and the formation of a uniform flow of pneumatic energy obtained from the energy of the wave motion of the surface of the aqueous medium.
  • the second pneumatic device 8 is in communication with said means 7 for collecting a plurality of discrete energy elements of compressed air and with said means 5 for converting the extracted pneumatic energy into electrical energy.
  • Each first pneumatic device 6 may be any known device designed to form a plurality of discrete energy elements of compressed air.
  • each first pneumatic device 6 may be a volume-enclosed pneumatic compressor 9 (Fig. 2) or a rotary compressor (not shown).
  • a piston compressor 9 can be used (Fig. 3 a, b, to facilitate understanding in figure 3 there is no hatching of the shaft, rod and piston) having means 10 for introducing an air medium, cavity 1 1 for the placement of the air medium, its compression and the formation of many discrete energy elements of compressed air and means 12 for outputting many discrete energy elements of compressed air.
  • This type of compressor is an energy machine for compressing and supplying air under pressure.
  • Compressors of this type are widely used in various fields of economy, they are diverse in design, layouts and layouts.
  • the specified means 10 for entering the air environment and the specified tool 12 for outputting a plurality of discrete energy elements of compressed air each the specified compressor 9 contain the corresponding first and second one-way check valves 13, 14 located in the housing of the specified compressor 9. These valves 13, 14 are configured for a given pressure, that is, open and close when the corresponding pressure in the cavity 1 1 of the compressor 9 is reached.
  • a rod 16 with a piston 17 is fixed on the drive shaft 15 having an elbow 15a, the reciprocating movement of which is provided by this drive shaft 15 with an elbow 15 a.
  • the ends of the corresponding connecting links 3 are fixed (Fig. 2).
  • These ends of the connecting links 3 can be secured using swivel joints 18. That is, each specified pneumatic compressor 9 can be connected to the corresponding specified connecting link 3 by means of a swivel joint 18.
  • each connecting link 3 there are first and second cylindrical trunnions 19, in each of which a corresponding hinge joint 18 is fixed.
  • a hinge joint 18 any known swivel joint intended for similar purposes, for example, a freewheel (not shown in the drawing).
  • Each connecting link 3 can have any known construction, made with the possibility of changing the distance between the corresponding first and second cylindrical pins 19 with the relative vertical movement of each pair of adjacent floats 2.
  • each connecting link 3 is configured to change its length, which allows, if necessary, to change the length of each connecting link 3 to change the distance between adjacent floats 2 in the horizontal plane.
  • each specified connecting link 3 is made with the possibility of plane-parallel movements in the vertical plane and simultaneous reciprocating movements around the axis of rotation of the corresponding articulated joints 18.
  • each specified connecting link 3 is designed so that two swivel joints 18 located at the ends of each mechanical connecting link 3 are independently oppositely directional reciprocating relative vertical movements together with the corresponding adjacent floats 2.
  • each specified connecting link 3 is configured to change its length with relative vertical movement of the respective two indicated adjacent floats 2 without changing the distance between these floats 2 in the horizontal plane.
  • the first non-return valve 13 (Fig. 3 a, c), designed to enter the air into the cavity 1 1 of the compressor 9, is configured to suck in the air from the environment when the piston 17 of the compressor 9 moves in a direction that increases the volume of its cavity 1 1 ( as shown in Fig. Over). As a result, rarefaction (pressure reduction) occurs in the cavity 1 1 and the air rushes from the surrounding space into this cavity 1 1.
  • the piston 17 After the specified cavity 1 1 will be filled with air, the piston 17 will take its lowest position and the pressure in the cavity 1 1 will become equal to the ambient pressure. As a result, the first non-return valve 13 closes and closes the cavity 1 1 of the compressor 9. The further rotation of the shaft 15 will allow the piston 17 of the compressor 9 to move upward in the direction decreasing the volume of the closed cavity 1 1 using the elbow 15a and the rod 16. As a result, the pressure in the closed cavity 1 1 will increase and compress the air with the formation of a discrete element having the energy of a compressed air. That is, the kinetic energy of the movement of the piston 17 will transfer into the potential energy of the compressed air. Compressed air will press on the walls of the cavity 1 1 and on the second check valve 14, designed to output discrete energy elements of the compressed air.
  • the second check valve 14 is configured so that when the pressure in the closed cavity 11 becomes equal to the set pressure at which the outlet (second) check valve 14 (for example, 3 atmospheres) is set, this second check valve 14 will open (as shown in Fig. 3 c), as a result of which the compressed discrete element under the action of the piston 17 will be pushed through this check valve 14 into the specified means 7 to collect many discrete energy elements of the compressed air.
  • This means 7 (FIG. 1) for collecting a plurality of discrete energy elements of compressed air is a sealed reservoir 20 adapted to accumulate compressed air.
  • the reservoir 20 has a means 21 for inputting a plurality of discrete energy elements of compressed air, communicated with each of these means 12 for outputting from a plurality of resistance energy extraction means 4, a closed cavity (not shown in the drawing) and means 22 for outputting a uniform flow of compressed air the medium in communication with the second pneumatic device 8.
  • the reservoir 20 is made with the possibility of balancing the fluctuations of the specified set of discrete energy elements of compressed air, creating cavity-mentioned predetermined pressure of the compressed air, the formation therein amortization air spring and forming a uniform flow leaving the compressed air environment.
  • shock-absorbing air spring we mean a closed volume in which an elastic air element is used, used to absorb shock and shock, vibration isolation, create predetermined initial forces, and accumulate pneumatic energy.
  • Each cushioning air spring has a maximum allowable load, upon reaching which the specified spring becomes stressed and to eliminate its destruction begins to give off excess pneumatic energy.
  • Said means 21 for introducing a plurality of discrete energy elements of compressed air into said reservoir 20 comprises at least one channel 23 communicated with a closed cavity of said reservoir 20.
  • means 22 for outputting a uniform flow of compressed air from said reservoir 20 comprises pressure reducing valve 24 located in the housing 25 of the specified tank 20, for example, in its upper part.
  • the pressure reducing valve 24 is an automatically acting pneumatic valve designed to maintain a constant pressure level at the outlet of the specified reservoir 20.
  • the resistance of the pressure reducing valve 24 at each moment of time is proportional to the difference between the variable pressure at the inlet to the tank 20 and the constant (reduced) pressure at the outlet from reservoir 20.
  • At least one channel 23 for introducing a plurality of discrete energy elements of compressed air into said reservoir 20 is in communication with said second non-return valve 14 of each said compressor 9 by means of flexible sealed connecting means 26 adapted to transmit compressed air.
  • each of these flexible sealed connecting means 26 is a flexible hose made of an elastic polymer material, for example, polyamide (polyurethane or polyethylene), hermetically connected to the channel 23 for introducing many discrete energy elements of compressed air into the specified tank 20.
  • polyamide polyurethane or polyethylene
  • the channel 23 for introducing a plurality of discrete energy elements of compressed air into the specified tank 20 can be made of any known design suitable for similar purposes, for example, it is a sealed duct 27 made of an elastic material, for example, (rubber and fabric).
  • support means 28 are provided, which comprise, for example, a mounting flange 29 and a pneumatic coupling 30 mounted on a strut 31.
  • said sealed reservoir 20 which is a means 7 for collecting a plurality of discrete energy elements of compressed air, is in communication with a second pneumatic device 8 and with said means 5 for converting the extracted pneumatic energy into electrical energy.
  • the specified second pneumatic device 8 is a pneumatic engine 32 having a drive shaft 33, configured to rotate under the action of a uniform flow of pneumatic energy of compressed air entering through a sealed duct 27 from a pressure reducing valve 24 of the means 22 for outputting a uniform flow of compressed air from the specified tank 20 .
  • the pneumatic engine 32 may have any known design, providing the ability to expand the uniform flow of compressed air.
  • the pneumatic engine 32 is a turbine expander 34 (Fig. 4, to facilitate understanding, the figure removes the hatching of the shaft and blades of the wheel of the turbine expander).
  • the expander 34 has an inlet channel 35, a chamber 36, a turbine 37 containing blades 38 mounted on the drive shaft 33, and an outlet pipe 39.
  • the channel 35 is designed to supply a uniform flow of compressed air under pressure.
  • the chamber 36 has a cross-sectional area that gradually increases in the direction of flow of the compressed air medium and in which the air stream expands, as a result of which its speed increases and the kinetic energy increases.
  • each pair of neighboring floats 2 is interconnected using a corresponding connecting link 3, configured to provide relative vertical movement of these neighboring floats 2 under the action of the energy of the wave motion of the surface of the aqueous medium.
  • Each connecting link 3 may be a telescopic connecting rod, at the ends of which means 4 for extracting energy are fixed.
  • This connecting rod can be made of any known construction suitable for providing the movements described above.
  • the telescopic connecting rod Za (Fig. 5) may have the structural embodiment described below, which is intended to facilitate independent vertical movement of adjacent floats 2 and to facilitate the possibility of changing the distance between the floats 2 in a horizontal plane.
  • Each telescopic connecting rod Za comprises a sliding housing 40 having two identical extreme links 41 and a central link 42.
  • Two pistons 43 are placed in the housing 40 with the possibility of reciprocating longitudinal movement towards each other, each of which has a corresponding rod 44.
  • End surfaces 45 of the pistons 43 form a central sealed chamber 46 inside the central link 42.
  • Two rods 44 inside the central link 42 form two corresponding rod cavities 47.
  • the sealed chamber 46 and the rod cavities 47 c obscheny through the electromagnetic valve 48 closed the cavity of the tank 20.
  • the opposite ends 49 of the rods 44 are placed inside the corresponding extreme links 41 with the possibility of restricting the longitudinal movement of the pistons 43 with the rods 44 by means of a spring 50 located inside each extreme link 41.
  • each extreme link 41 On the free ends of each extreme link 41 are mounted pins 19 for accommodating articulated joints 18. At the same time, the pins 19 can be made in one piece with the extreme links 41. To eliminate shock loads between the extreme links 41 and the central link 42, shock absorbing rings are installed and 51.
  • each telescopic connecting rod Za makes it possible to change the distance between the parallel longitudinal axes (s) of two pins 19 in the range up to l / 3 times.
  • each float 2 has a shape that ensures its stability.
  • each float 2 is made in the form of a tablet.
  • floats 2 can be interconnected with the formation of various figures.
  • the specified set of floats 2 are pivotally connected in the form of a network 52 (Fig. 6).
  • the specified set of floats 2 are pivotally connected in the form of a closed circuit 53 (Fig. 7).
  • said sealed reservoir 20 which is a means 7 for collecting a plurality of discrete energy elements of compressed air, is in communication with said means 5 for converting the extracted pneumatic energy into electrical energy.
  • the means 5 for converting the extracted energy into electrical energy is an electric generator 54, which has a drive shaft 55 connected to the drive shaft 33 of the air motor 32.
  • An electric generator 54 for producing electric energy can be made of any known construction suitable for these purposes.
  • the proposed device may have at least one anchor means (not shown in the drawing).
  • Said sealed tank 20, a pneumatic engine, and an electric generator 54 may be located ashore (not shown in the drawing), if the size of the water surface from which electrical energy is generated, or can be placed on one floating vessel 56, or can be placed on different floating means interconnected (not shown in the drawing).
  • a huge advantage of the proposed device is that its main structural components, such as floats 2, connecting links 3, structural components of these first and second pneumatic devices 6, 8 can be made of polymer materials.
  • the floats 2 can be made of polyethylene
  • the connecting means 3 can be made of polyethylene and carbon
  • the structural components of the compressors 9 can be made of polyamides
  • the structural components of the air motor 32 can be made of polymeric materials containing fiberglass filler and binders based on thermosetting and thermoplastic polymers
  • flexible sealed connecting means 5 and duct 53 are high pressure hoses, st whose structure is reinforced with a polyester braid.
  • the above-described proposed device allows to extract pneumatic energy, which is used to produce electrical energy, as resistance energy.
  • the extraction of pneumatic energy makes it possible to use the spring properties of the air in order to convert the chaotic energy of the movement of the surface of the water medium into uniform electrical energy, which makes it possible to significantly improve the quality of the produced electric energy.
  • each float has small dimensions, which determined only by the size and weight of the pneumatic device, since the air does not increase the size or weight of the device.
  • Such design features make it possible to extract pneumatic energy from the energy of wave motion of the surface of an aqueous medium having a wave height of 0.4 meters or more, which can significantly increase the efficiency of using the area of wave motion of the surface of an aqueous medium.
  • the use of the indicated pneumatic energy ensures the stability of the generated electric energy and ensures the stability of its multi-megawatt power (of the order of 0, 1 - 100 MW) due to the creation of a shock-absorbing air spring, which ensures the formation of uniform vibrations of the compressed air, the creation of a uniform flow of pneumatic energy and direct transmission this energy to the drive shaft of an electric generator to produce electrical energy.
  • the indicated structural embodiment of the proposed device allows the use of devices already available in the industry as individual components of the proposed device, as well as its production of individual components in mass production, which significantly minimizes the material costs of manufacturing the proposed device and significantly reduces its payback time .
  • the proposed device operates as follows
  • the articulated structure 1 of the proposed device contains four floats 2, each of which is made in the form of a tablet.
  • the adjacent floats 2 are connected using articulated mechanical connecting means 3 in such a way that the three floats 2 form a triangular figure, which is connected to the freestanding fourth float 2.
  • two first pneumatic devices 6 are rigidly fixed, each of which is a volumetric-closed pneumatic compressor 9, and one similar first pneumatic device 6 is rigidly fixed on the specified fourth float 2.
  • each drive shaft 15 of each compressor 9 At the respective ends of each drive shaft 15 of each compressor 9, swivel joints 18 are fixed, each of which is in the form of an overrunning clutch.
  • the specified connection of the floats 2 provides a complete release of resistance energy for each reciprocating (in both directions) vertical the movement of neighboring floats 2 in the process of the direct impact of "incident” and “runaway” waves that move along the surface of the aquatic environment.
  • a similar assembly order of the floats 2 is carried out when assembling the floating part of the proposed device in the form of a network 52 or a closed circuit 53.
  • Za provide many simultaneous relative vertical movements of many pairs of adjacent floats 2 of the articulated structure 1, which is placed on the surface of the aquatic environment, from the wave energy of which electrical energy is generated.
  • a plurality of simultaneous vertical movements in a plurality of pairs of adjacent floats 2 cause a corresponding plurality of reciprocating movements in a plurality of telescopic connecting rods Behind simultaneously around two axis of rotation of the corresponding articulated joints 18, as well as a plurality of reciprocating movements changing the distance between the axes of the articulated joints 18 in each such telescopic connecting rod Za (i.e. between adjacent floats 2).
  • the drive shaft 15 with the elbow 15a of each compressor 9 is brought into unidirectional rotation using the corresponding unidirectional torque during the reciprocating movements around the two axes of the articulated joints 18 simultaneously of two telescopic connecting rods Za.
  • the rod 16 with the piston 17 is moved back and forth.
  • the piston 17 moves from the extreme upper position to the lowermost position, increasing the volume of the cavity 1 1 of the compressor 9.
  • the piston 17 will take its lowest position and the pressure in the cavity 11 will become equal to the pressure of the environment.
  • the first check valve 13 closes and closes the cavity 1 1 of the compressor 9, in which a single closed volume of air is formed.
  • Further rotation of the shaft 15 will provide upward movement of the piston 17 of the compressor 9 using the elbow 15a and the rod 16 in a direction that reduces the volume of the closed cavity 11.
  • the pressure in the closed cavity 1 1 will increase and compress the unit closed volume of the air with the formation of a discrete element having the energy of a compressed air. That is, the kinetic energy of the movement of the piston 17 will transfer into the potential energy of the compressed air.
  • Compressed air will press on the walls of the cavity 1 1 and on the second check valve 14, designed to output discrete energy elements of the compressed air.
  • this second check valve 14 will open, as a result of which the compressed discrete element under the action of the piston will be pushed through this check a valve 14 into said means 7 for collecting a plurality of discrete energy elements of compressed air.
  • each compressor 9 forms a plurality of discrete energy elements of compressed air
  • all compressors 9 form a plurality of discrete energy elements of compressed air. All these discrete elements through the corresponding non-return valves 14 of the compressors 9 with the help of flexible connecting means 26 and a sealed duct 27 are fed into a closed cavity of the sealed tank 20 and compress with their help the air in this cavity.
  • the presence in the specified cavity of the reservoir 20 of the depreciation air spring ensures equalization of the oscillations of these discrete elements and the creation of a given pressure of the compressed air environment.
  • the pressure of the compressed air medium is used in the range from slightly more than 1 atmosphere to 5 atmospheres, for example, 3 atmospheres.
  • the creation of a cushioning air spring in the specified closed cavity makes it possible to use the spring properties of the air in order to convert the chaotic energy of movement of the surface of the water medium into uniform pneumatic energy, which is then converted into uniform electrical energy.
  • shock-absorbing air spring we mean a closed volume in which an elastic air element is used, used to absorb shock and shock, vibration isolation, create predetermined initial forces, and accumulate pneumatic energy.
  • Each cushioning air spring has a maximum allowable load, upon reaching which the specified spring becomes stressed and to eliminate its destruction begins to give off excess pneumatic energy.
  • the shock-absorbing air spring perceives many instantaneous impacts of external forces (discrete energy elements of compressed air), which carry out the work of elastic deformation of the material of the shock-absorbing air spring to bring it into a stressed state.
  • the shock-absorbing air spring damps the instantaneous energy of each impact of external forces, that is, it suppresses external vibrations of the pneumatic system from each new discrete energy element, and sequentially releases (pushes) out of the closed cavity through the pressure reducing valve 24 compressed air, while maintaining pressure in the specified closed cavity at a given level.
  • a uniform flow of compressed air using a flexible connecting means 26 is directed into the inlet channel 35 of the turbine expander 34, in the chamber 36 of which it is successively expanded, its speed is increased and kinetic energy is increased.
  • a uniform expanded stream of compressed air is sent to the blades 38 of the expander 34, where this stream gives off its energy and spins the turbine 37 and its drive shaft 33, creating a uniform flow of pneumatic energy, in the manner described above obtained from the energy of the wave motion of the surface of an aqueous medium.
  • the exhaust air is discharged through the outlet pipe 39.
  • said shock-absorbing air spring acts as an energy source of a turbine expander 34, which produces pneumatic energy, from which electric energy is further produced.
  • the rotation of the drive shaft 33 of the pneumatic turbine expander 34 is used to rotate the drive shaft 9 of the electric generator 10 to generate electrical energy.
  • the proposed device and method for producing electric energy from the energy of the wave surface of an aqueous medium is implemented on a body of water in a specific geographical region, in which the expediency of using the energy of wave motion of the surface of an aqueous medium to produce electric energy is determined on the basis of actual statistical data on the energy parameters of the wave surface water environment.
  • an articulated structure 1 made according to the invention which contains a hexagonal closed circuit (as shown in Fig. 7), which contains two hundred seventy (270) floats and one thousand six hundred twenty (1620) compressors for the production of electrical energy having one (1) mW of power.
  • the use of the proposed method and device for the production of electrical energy from the energy of the wave motion of the surface of the aquatic environment ensures the production of electrical energy in a wide range of nominal power (from 0.1 to 100 mW); allows the production of high-quality electric energy with uniform amplitude-frequency characteristics of the specified parameters of the electric current; to carry out the production of electric energy with constant specified values of power, to reduce the cost of production of electric energy; to carry out structural elements from light corrosion-resistant polymer materials, as a result of which significantly reduce the specific material consumption of the produced electric energy; to carry out the construction of an articulated structure (in the form of a network or closed circuits), thereby significantly increasing the number of floats in the system, thereby increasing the efficiency of using the surface area of the wave motion of the aqueous medium; to carry out the production of all structural elements of orbital dynamic systems in mass production with multiple reduced capital costs and, thereby, significantly reduce the payback period of the proposed device.
  • the present invention can be most effectively used in the creation and industrial use of environmentally friendly float wave power plants for highly efficient conversion of sea wave energy into electrical energy, which in the structure of environmentally friendly energy resources are the most promising energy carriers capable of developing the highest specificity for renewable sources.
  • Such float wave power plants can be used to provide energy to coastal and island settlements, to create environmentally friendly marine and coastal processing industry facilities, including using offshore platforms with developed oil wells.

Landscapes

  • 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

Le dispositif de l'invention comprend une structure articulée constituée d'une pluralité de flotteurs. Chaque paire de flotteurs voisins est reliée à l'aide d'une unité de connexion formée pour assurer le déplacement vertical relatif de chaque paire de flotteurs sous l'effet de l'énergie des vagues. Sur chaque flotteur on a fixé au moins un moyen de production et de récupération de l'énergie pneumatique de résistance à un déplacement vertical relatif, qui est relié à une unité de connexion correspondante et se présente sous la forme d'un premier appareil pneumatique capable de produire une pluralité d'éléments discrets d'énergie d'un milieu d'air comprimé. On a prévu un moyen pour collecter les éléments discrets capables de compenser les oscillations de la pluralité d'éléments discrets d'énergie d'air comprimé pour assurer l'obtention d'une pression prédéterminée d'air comprimé, la formation d'un amortisseur à effet de ressort pneumatique et la création d'un flux uniforme d'air comprimé. On a prévu aussi un deuxième appareil pneumatique capable d'élargir le flux uniforme d'air comprimé et de former un flux uniforme d'énergie pneumatique ainsi qu'un moyen pour convertir l'énergie pneumatique en énergie électrique.
PCT/RU2012/000150 2011-03-31 2012-03-02 Dispositif et procédé pour produire de l'énergie électrique à partir de l'énergie de mouvement des vagues à la surface de l'eau Ceased WO2012134342A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2011000205 2011-03-31
RUPCT/RU2011/000205 2011-03-31

Publications (1)

Publication Number Publication Date
WO2012134342A1 true WO2012134342A1 (fr) 2012-10-04

Family

ID=46931718

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2012/000150 Ceased WO2012134342A1 (fr) 2011-03-31 2012-03-02 Dispositif et procédé pour produire de l'énergie électrique à partir de l'énergie de mouvement des vagues à la surface de l'eau

Country Status (1)

Country Link
WO (1) WO2012134342A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104295433A (zh) * 2014-09-24 2015-01-21 太平洋海洋工程（舟山）有限公司 一种海洋平台

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4454429A (en) * 1982-12-06 1984-06-12 Frank Buonome Method of converting ocean wave action into electrical energy
US4792290A (en) * 1987-04-29 1988-12-20 Berg John L Wave actuated pump apparatus
RU2010996C1 (ru) * 1990-07-09 1994-04-15 Государственный проектно-изыскательский и научно-исследовательский институт "Гидропроект" Волновая пневмоэнергетическая установка
US6476511B1 (en) * 1998-09-24 2002-11-05 Ocean Power Delivery Limited Floating apparatus and method for extracting power from sea waves

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4454429A (en) * 1982-12-06 1984-06-12 Frank Buonome Method of converting ocean wave action into electrical energy
US4792290A (en) * 1987-04-29 1988-12-20 Berg John L Wave actuated pump apparatus
RU2010996C1 (ru) * 1990-07-09 1994-04-15 Государственный проектно-изыскательский и научно-исследовательский институт "Гидропроект" Волновая пневмоэнергетическая установка
US6476511B1 (en) * 1998-09-24 2002-11-05 Ocean Power Delivery Limited Floating apparatus and method for extracting power from sea waves

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104295433A (zh) * 2014-09-24 2015-01-21 太平洋海洋工程（舟山）有限公司 一种海洋平台

Similar Documents

Publication Publication Date Title
EP2038546B1 (fr) Convertisseur d'énergie des vagues avec de l'air comprimé (wecwac)
US9523346B2 (en) Modular array type energy converter
JP6486868B2 (ja) 往復する外力を回転軸運動に変換するエネルギ変換ユニット
US9309860B2 (en) Wave energy conversion device
US8899036B2 (en) Advanced high energy wave power module
US20130152566A1 (en) Fluid flexible container pump
US20170101977A1 (en) Wave energy absorption device, a power take-off assembly and a wave energy system
JP2020045904A (ja) 波エネルギー変換装置
JP2013500420A (ja) 波エネルギー変換装置および方法
CN104981606A (zh) 波能转换器
WO2012134342A1 (fr) Dispositif et procédé pour produire de l'énergie électrique à partir de l'énergie de mouvement des vagues à la surface de l'eau
CN109113920B (zh) 一种带有绳索结构海浪发电装置
CN205744268U (zh) 混合型波浪能发电装置
US11441532B2 (en) Submerged oscillating water column energy harvester
WO2011094000A1 (fr) Pompe à récipient de fluide souple
RU161015U1 (ru) Волновой энергетический модуль
Do et al. A Multi-absorbing Wave Energy Converter using Cylinders and Pressure coupling Principle

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12765520

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12765520

Country of ref document: EP

Kind code of ref document: A1