Wave power plant

 

(57) Abstract:



 

Same patents:

Wave setup // 2004837

Wave power plant // 2003829

Wave energy plant // 2286476

FIELD: wave-energy-to-electric-power conversion.

SUBSTANCE: proposed wave energy plant has supporting frame with vertical guides, float installed for vertical reciprocation that accommodates ratchet gears provided with coaxial central holes, shaft passed though these holes and fixed in supporting frame to laminar screw section whose top and bottom parts are twisted in opposition and contact ratchet gears disposed in cylindrical casing with through holes; it also has electric generator. Float is mounted for displacement along vertical guides and has inertial member disposed inside for rotation and displacement together with float; inertial member contacts inner surface of float casing through rollers. Cylindrical casing is joined with inertial member; electric generator is disposed within supporting frame and kinematically coupled through extensible joint between inertial member and drum installed for joint rotation with the latter and with gear transmission.

EFFECT: enhanced power output of wave energy plant generator.

1 cl, 1 dwg

FIELD: power engineering.

SUBSTANCE: invention is designed for conversion of wave energy into electric energy. Proposed converter contains mechanically coupled fixed post, float chambers, frame, shaft, step-up gear and electric generator. Moreover, converter additionally contains relatively interacting second shaft, first and second gears and at least two motion converters. First and second gears are fixed on corresponding shafts and engage with each other. Each motion converter has vertical rod installed for vertical vibration on upper end of which first block is installed, and on lower end, third sprocket engaging with first and second float chambers. First and second overrunning clutches with sprockets are installed on shafts and they engage through first and second chains with third sprocket.

EFFECT: increased efficiency.

8 cl, 7 dwg

Wave power plant // 2305794

FIELD: power engineering.

SUBSTANCE: proposed plant is designed to convert energy of waves into electric energy. Proposed device contains pontoon, anchor chain and anchor, electric generator and drive including working and support sheaves over which flexible tie with weights o each end is passed. One of weights is installed for hanging over bottom and is made in form of floating anchor and the other is made in form of counterweight. Anchor chain is provided with tie-rod. Floating anchor and counterweight are made for adjustment of their mass. Floating anchor can be made in form of hollow platform in which row of chambers is made. Each chamber is sealed and designed for accommodating and/or ground, and /or air, and/or water. Counterweight is made in form of hollow float with sealed chamber in lower part which is designed for ground, and sealed air chamber is found in its upper part. Tie-rod is installed by one end on anchor chain and by other end, on pontoon. It is made flexible and can be adjusted in length.

EFFECT: provision of operation at any depth.

5 cl, 3 dwg

FIELD: power generating.

SUBSTANCE: invention is designed for use in vehicle power drives and for power generation. Method of conversion of energy of working medium into mechanical and electric energy is provided by multistage conversion of energy of drive engine having rotating output shaft, for instance, hydraulic turbine. Power torque is transmitted from shaft of drive engine to mechanical power consumer by means of at least two-stage conversion of mechanical energy into energy of working medium, for instance, water. Water pressure is provided by use of centrifugal hydraulic pump or radial-axial hydraulic turbine operating as a pump with provision of generation of reactive energy caused by interaction of water with blades of hydraulic turbine stage or reactive jet nozzle of stage runner, with transmission of water through fixed waterway and stage stator made in form of spiral chamber or branched manifold. Peripheral speed of stage runner with blades or reactive jet nozzles in creases torque by value of difference of radii of stage runner and drive engine wheel. Device contains drive engine with rotating shaft, for instance, hydraulic turbine, transmitting shaft, generator and at least two similar conversion stages. Shaft of hydraulic turbine is coupled with centrifugal pump impeller of first stage radially from which fixed waterways are laid to branched manifold or to spiral chamber on side surface of which radial-axial turbine runner is installed with working blades or nozzles over periphery under which drain manifold is installed. Runner of second stage hydraulic pump is rigidly installed on shaft by means of which it is connected with runner of first stage and rotor of electric generator.

EFFECT: increased torque transmitted to electric generator.

3 dwg

Wave power plant // 2316670

FIELD: power engineering.

SUBSTANCE: proposed plant is designed for converting energy of waves into electric energy. Proposed plant contains vertical support secured on bottom, rocking rod installed on support for rotation around axis of support, float secured on one of rod ends. Float is provided with intake bottom hole and outlet top hole, both provided with remote controlled valves, and electric generator. Upper end of support remains under water at any possible magnitudes of waves. Wave magnitude sensor is connected with remote controlled valves, float is connected to pneumatic line connected with pressure source, rocking rod is connected with pump which is connected by pipeline with accumulator of hydropotential energy on shore, electric generator is located on shore and is coupled with hydraulic turbine connected with accumulator of hydropotential energy. Plant changes to safe mode of operation owing to filling of float with water at excess of magnitudes waves determined by corresponding wave magnitude sensor.

EFFECT: provision of reliable and long operation.

9 cl, 3 dwg

Wave power plant // 2317439

FIELD: power engineering.

SUBSTANCE: plant is designed for generating power by conversion of energy of sea waves. Proposed wave power plant is mounted on pontoon and provided in nose part with bellows with bottom from wave side and longitudinal bell with vertical tube arranged over bellows accommodating electric generator with mechanical converter, and in center of pontoon behind the bell, box-shaped vertical air duct is installed divided by vertical partition into two parts and communicating with pontoon through two check valves. Windwheel with blades is installed in cut of partition, being mechanically connected through shaft with electric generator. Bellows chamber with bottom is installed in stern part of pontoon. Holes are made in wall of pontoon between spaces of bellows and pontoon, and in wall of pontoon bottom between spaces of bellows chamber and pontoon to pass compressed air inside pontoon, and electric generators are installed.

EFFECT: provision of more complete utilization of energy of sea waves.

8 cl, 3 dwg

Tide power system // 2326264

FIELD: electric power engineering.

SUBSTANCE: invention is related to electric power engineering and may be used for generation of electric power at the account of ocean tides, ocean waves, wind from the shore by integration of tide energy with hydrogen technology. Barrage for energy extraction from potential energy contained in ocean tides, consists of multiple support stands installed with the same interval from each other in the ocean along the perimeter line and attached to the sea bottom. Panels are installed one above the other and fixed between pairs of neighboring support stands. Gaps between every panel and support stands are leak-tightened. Pairs of support stands from two rows of support stands for caissons. Support panels are placed between every pair of opposite support stands from the mentioned two rows so that caisson is supported by support panels, so that they form platform between two rows for caissons. In every caisson there are turbines with facilities that provide for water passing through the turbine by operator command. Electric generators are connected to at least one turbine. Barrage has no gaps or slots. As a result the ocean is separated from the area inside the barrage, excluding time, when operator provides water passing through turbine for electric power generation. Invention works at different loads and functions as power complex with electrolyzers and fuel elements for generation of electric power by request, excluding by that impulse character of traditional tide energy. Hydrogen may be produced as target product.

EFFECT: reduces cost of works.

6 cl, 17 dwg

FIELD: engineering industry.

SUBSTANCE: invention refers to water power engineering, and namely to water-borne vehicles producing electric energy used for external consumers and for its own movement. Energy-producing floating platform consists of a triangular-shaped platform with a power unit, which is elevated above water surface by means of columns, floats, piston-type pumps, and supports which are hinged to columns. Floating platform is equipped with wind impellers installed on brackets and being synchronously rotated by propelling screws with wheels. Between each support and float arranged are piston-type pumps. Inside each column there is an axle on lower end of which there installed is a propelling screw and a wheel, and the other axle end is taken out above the platform surface and is provided with a pulley. Over pulleys there passed is a flexible rope pulled over by a steering mechanism.

EFFECT: designing the maneuvering self-moving energy-producing floating platform which is capable of autonomous movement on water surface.

2 dwg

FIELD: power engineering.

SUBSTANCE: invention relates to hydroenergetics, to low pressure flows of seas, rivers and water outlets of hydro electric stations and reservoirs. A tidal hydroelectric plant contains a cylindrical body of the machine compartment with a gear box and electric generator of the tail hydroturbine with arms, mounted on its axis and the axis of rotation. On the upper part of the body is fixed a flat pylon, on the end of the pivot system and the axis of rotation. The body is suspended on a crossbeam in the passage of the catamaran for lifting the power station to the level of the servicing platform on the grooves of the support bridge pier, connected by the arch with a lifting mechanism. Arms of the hydroturbine are made short and wide sweptforward on the leading edge and with a concave surface in the form of a parabolic curve, and a convex surface of the tailpiece perforated with slanting slits.

EFFECT: reduces the depth of the low pressure power stations, increases the hydrodynamic quality of the hydroturbines arms, and ensures periodic lifting of the power station from the water.

3 cl, 4 dwg

Water power device // 2361109

FIELD: engines and pumps.

SUBSTANCE: invention is related to the field of renewable power sources, namely to use of potential energy accumulated in water reservoirs and its conversion into other types of energy, mostly in electric energy. Water power device comprises the following components that interact with each other - platform, multiplier, power generator, the first and second shafts, in which according gears are installed, overrun clutches and sprockets that interact with chain. Device additionally comprises the first and second trolleys. They are connected to each other by chain and are installed in appropriate inclined guides with the possibility of reciprocal motion. Appropriate reservoirs are installed in trolleys, being equipped with exhaust water valves. In upper points reservoirs interact with appropriate newly introduced inlet water valves and units of position fixation, and in lower points - with end supports.

EFFECT: makes it possible to simplify design and increase efficiency of energy transformation.

7 cl, 6 dwg

Wave energy plant // 2286476

FIELD: wave-energy-to-electric-power conversion.

SUBSTANCE: proposed wave energy plant has supporting frame with vertical guides, float installed for vertical reciprocation that accommodates ratchet gears provided with coaxial central holes, shaft passed though these holes and fixed in supporting frame to laminar screw section whose top and bottom parts are twisted in opposition and contact ratchet gears disposed in cylindrical casing with through holes; it also has electric generator. Float is mounted for displacement along vertical guides and has inertial member disposed inside for rotation and displacement together with float; inertial member contacts inner surface of float casing through rollers. Cylindrical casing is joined with inertial member; electric generator is disposed within supporting frame and kinematically coupled through extensible joint between inertial member and drum installed for joint rotation with the latter and with gear transmission.

EFFECT: enhanced power output of wave energy plant generator.

1 cl, 1 dwg

FIELD: machine building.

SUBSTANCE: invention relates to the power industry field, in particular electrogenerating installations using sea waves energy. Pulse wave energy converter contains movable multilink structure consisting of modules with local energy-transducer implemented in the form of movable connected one relative to other floating blocks with winding, condensing installation and rectifying installation. Modules are outfitted by electromagnets with detachable core and located on it magnetised and power winding. Magnetising windings are directly or through adjusting resistor are connected to common buses. Power winding are connected to them through rectifying installation. Buses are connected to condensing installation. Components of detachable core are connected to adjoining blocks.

EFFECT: simplification of design; increasing of coefficient of efficiency by means of self-optimise of operation mode.

3 dwg

FIELD: electric engineering.

SUBSTANCE: plant comprises buoy, autonomous electrical source and recharging power device with mechanism of its connection to source, inertial piston arranged with the possibility of reciprocal motion up and down due to vertical movements of buoy under action of water surface oscillations and spring shock absorbers. Output of device via mechanism of connection is connected to input of source. Plant is equipped with air turbine, for instance Wells turbine, and air-conducting tubes. Inside buoy there are the following components arranged - source in the form of capacitance molecular accumulator of energy on the basis of double-layer capacitor and recharging device, including DC generator with relay-voltage controller. Its rotor is rigidly connected to blade wheel of turbine, and mechanism of rotation with air reservoir of cylindrical shape, inside of which there is a piston arranged as fixed on top and bottom inside reservoir body with the help of shock absorbers. In lower and upper part of reservoir there are holes arranged, to which tubes are fixed rigidly, and their location provides for motion of air flow to blades of turbine wheel, caused by oscillating reciprocal movements of piston.

EFFECT: simplified technical design of wave power plants, increased reliability, durability and simplification of their operation.

1 dwg

Sea ice buoy // 2399546

FIELD: transport.

SUBSTANCE: invention relates to floating navigation equipment intended for buoyage of the waterway and prevention of navigation threats in autumn-winter and spring periods. Sea buoy comprises streamline body divided by watertight baffles into compartments, LED optical hardware arranged in buoy head part, stabilizing ballast secured on buoy tail and self-contained power supply arranged in buoy body tail compartment. Self-contained power supply represents inertial power producing unit arranged inside buoy body. Said power plant comprises capacitative molecular electric power accumulator (two-layer capacitor), accumulator charging device comprising DC generator, voltage relay-generator with its rotor rigidly jointed with turbine blade (for example, Wells turbine), turbine wheel drive, cylindrical air chamber rigidly secured to tail compartment upper bulkhead. Said air chamber accommodates inertial piston rigidly connected by spring dampers to air chamber top and bottom. Said dampers have hole to receive two air tubes for compressed air to pass from air chamber to turbine wheel blades.

EFFECT: higher reliability, longer life, simplified operation.

1 dwg

FIELD: power industry.

SUBSTANCE: wave structure 1 of water surface is used as primary source. In the section of the specified surface area of the above structure 1 there arranged is conversion system (CS) 2 on the basis at least of two discrete modules in the form of linear electromagnetic transducers 3 including relatively movable electrically insulated winding 4 and magnetic system 5, 51 with positive buoyancy, which is located inside it. Electromagnetic transducers 3 are integrated to CS 2 by means of mechanical communications. Mechanical communications are formed in the form of rigid volume wave-permeable grid structure 7 with positive buoyancy, which is structurally managed with possibility of providing minimum vertical movement relative to central plane 8 of wave structure 1. Electrically insulated winding 4 in each module is rigidly fixed in vertical seats of grid structure 7 so that wave permeability of this winding 4 is provided. Positive buoyancy of magnetic system 5, 51 in each module is managed by means of kinematic communication of its upper part with float 6. For that purpose, float 6 is arranged with possibility of location at least of its upper part in the area of wave structure 1 of water surface. Wave energy plant is provided for method's implementation. The construction is simplified owing to necessary fixture of each discrete module of energy system relative to the water reservoir bottom, providing current collection from virtually fixed elements of discrete modules.

EFFECT: increasing efficiency.

18 cl, 2 dwg

FIELD: power industry.

SUBSTANCE: device for electric power generation due to water surface sloshing contains mechanical wave energy converter 3 connected kinematically with electric generator 6 in floated hull 2. Device is equipped with potential energy storage unit 4, self-oscillating unit 5 with escapement and gear systems. Mechanical wave energy converter 3 is connected through one gear system to potential energy storage unit 4 limited by drive gears and spinning spring fixed on it; through another gear system it is connected to self-oscillating unit 5 with escapement that transfers rotational torque to drive gear on shaft of electric generator 6.

EFFECT: design allowing conversion of wave and tide energy into electric power by reasonable method and provision of its uniform production.

7 dwg

FIELD: transport.

SUBSTANCE: invention relates to floating navigation equipment, particularly, to buoy intended for buoyage and marking definite waterway risks. Navigation buoy comprises streamlined sealed housing divided by waterproof baffles into compartments, light-optical hardware built around LEDs arranged at buoy head section, and stabilisation ballast. Cylindrical container is arranged inside said housing to accommodate the rod displacing in guides secured to said container along its axis and provided with stabilisation ballast secured to rod end. Thrust flange is rigidly attached to said rod to rest upon spring arranged between on of rod guides and thrust flange. Rotor with permanent magnets of linear electric generator is fitted on rod at the center. Linear generator stator is secured at cylindrical container inner surface. Stator winding is connected to input of charging device. Charging device output is connected to storage battery supplying light-optical hardware. In compliance with the second version, stabilisation ballast is attached to cylindrical container. One end of the rod is secured to buoy sealed housing. Thrust flange is rigidly secured at the rod. Spring is fitted atop the rod between upper guide and thrust flange.

EFFECT: simplified design, higher power supply.

2 cl, 3 dwg

Wave generator // 2534335

FIELD: power industry.

SUBSTANCE: float-type wave generator includes a frame 1 having coaxial central holes 18, a float 3 with a stock 2 attached to it and having a longitudinal slot with a retainer 13 located in it and preventing possible rotation of the stock 2 about the vertical axis, a horizontal platform 4 with arranged flat magnets 5, which is kinematically connected to the float 3 with a possibility of back-and-forth movement, a housing 9 with a rotor 10 installed in it, a flange 11 rotating together with the rotor 10, a frame 6 with a winding 8 made around it, posts 16 attached to the frame 1 and made together with prismatic guides 17. A lower part of the platform 4 has a shape of a hollow cylinder with shaped elements forming a periodic profile 21 of a variable curvature and is in constant contact to rollers 12 installed on the flange 11. The stock 2 consists of cylindrical and screw parts. The magnets 5 are combined into straight-line sections located parallel to each other.

EFFECT: providing effective generation of electric energy; reducing the cost of generated electric energy and increasing the service life.

2 dwg

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