Floating coastal hydro wave power plant

FIELD: energy.

SUBSTANCE: invention relates to hydro wave power industry. Floating coastal hydro wave power plant includes electric current generators, providing generation of electric current at stators cyclic turns-swings by waves at angle of ±α. Rotors gravity centers are offset below their swing axis. Rotors or stators are fixed in floating vehicle in one or more tiers. At installation of generators in floating vehicle along its hull axis their swing axis is aligned with floating vehicle hull longitudinal axis, sectors of stator and associated sectors of rotor are diverted to hull boards, and floating vehicle is turned by board to waves approach front and fixed with anchors. At generators installation in floating vehicle frontally to its hull longitudinal axis with their swing axis perpendicular to this axis generator arc sectors radius and height are made with due allowance for filling of whole space in hull, floating vehicle is turned by bow or stern to waves approach front and fixed with anchors.

EFFECT: technical result is increased efficiency of electric power generation.

21 cl, 9 dwg

 



 

Same patents:

Inertial generator // 2553968

FIELD: electricity.

SUBSTANCE: device consists of interconnected vessels with the liquid 1, floats 2i, i = 1, …, 2, connectors 3i, i = 1, …, 2, converters of mechanical energy into electric one 4i, i = 1, …, 2.

EFFECT: solution of the problem of simplification and increase of production efficiency of electric energy for low-power self-contained units installed on moving objects.

1 dwg

FIELD: electricity.

SUBSTANCE: vibration-to-voltage converter comprises a fixed magnetic core with excitation and generation windings, a movable magnetic core with a resilient element, a capacitor and diodes. The movable magnetic core is made of high-carbon steel and moved in direction of magnetic flow. The resilient element has rigidity that defines free-running frequency of the movable magnet core as approximately equal to free-running frequency of the vehicle. The capacitor has capacitive resistance approximately equal to inductive resistance of the generation winding.

EFFECT: increasing power.

1 dwg

FIELD: electricity.

SUBSTANCE: invention relates to machine building. Electric power generator comprises a combustion engine, an electrical machine, electric capacitors and an accumulator, electric units for energy conversion and an electronic control unit. Crankless opposed combustion engine design is used with reciprocating piston movement. The combustion engine cylinders are placed in a row and coupled to the case through springs. The pistons are connected rigidly to rods. At rods there are movable parts of the electrical machines, limiting discs, pins, position sensors and piston motion rate sensors. Fixed parts of the electrical machines are mounted at the case.

EFFECT: reduced emission of harmful substances to the atmosphere is reached.

6 dwg

FIELD: machine building.

SUBSTANCE: method of adapting oscillation frequency of generator pump lifter-pistons to linear oscillator circuit in braking power recovery exploits control system to change fluid control valves into opposite positions with delay after every cycle of electric power pulse generation during displacement of said lifter-piston from one extreme point to the other one. Delay duration is selected to increase working fluid pressure in line communicating the motor-pump with generator pump to magnitude whereat oscillation frequency of generator pump lifter-pistons complies with resonance frequency of liner oscillator. Then, control system drives fluid flow control valves to opposite positions to generate regular electric power pulse with period equal to that of previous pulse.

EFFECT: complete recovery of vehicle braking kinetic energy over the entire range of speeds.

1 dwg

FIELD: electricity.

SUBSTANCE: linear generator includes fixed magnetic conductors and movable magnetic conductor. Movable magnetic conductor is made from carbon steel preserving the residual induction and has n salient poles along longitudinal and transverse axis, which are located in axial direction at the distance from each other, which exceeds the pole width by 3 times. Fixed magnetic conductors are located in pairs along longitudinal and transverse axis and have two windings each - excitation winding and generator winding that creates e.m.f. proportional to rate of change of flux linkage with frequency that is higher by n-1 times than frequency of back and forth movements. Generator windings are connected through diode bridge and thermal resistance to capacitor, thus charging it. Excitation windings are connected to capacitor too through a diode allowing the current to pass in one direction for creation of constant magnetic field.

EFFECT: simpler design and lower pulsations of rectified voltage.

2 cl, 2 dwg

Wave power plant // 2467199

FIELD: machine building.

SUBSTANCE: invention refers to wave power plant for generation of electric power. Wave power plant includes a floating body provided with possibility of floating in the sea, and electric linear oscillator with stator 5 and translator 6 performing back-and-forth movements. Stator 5 is provided with possibility of being anchored at the sea bottom. Translator 6 is connected to floating body by means of connection device. Translator 6 is supported with many rolling elements 15 so that circumferential gap 14 is formed between stator and translator. Each rolling element has elasticity that is rather low to comply with the condition consisting in the fact that the result of change of width "d" of the gap is the change of full force of rolling elements 15, which exceeds full magnetic forces on translator 6, which are the result of the above change of width "d".

EFFECT: invention is aimed at improvement of operating reliability.

20 cl, 8 dwg

FIELD: power industry.

SUBSTANCE: device represents hydraulic-wave stock-type core electric generator which includes floating housing (1) made so that it retains its constant position relative to vertical line at any rise and fall of water; vertical pin (2) fixed on housing; float (3) arranged on pin with possibility of back-and-forth movement along the pin; vertical stock (4) attached to the float with magnet (5) fixed inside the stock; limit stop (6) installed near upper end of vertical pin to exclude the position when the float exceeds upper limit of the pin, core (7) attached to the limit stop and around the cross section of which there is winding (8).

EFFECT: providing effective generation of electric energy on waves of any length irrespective of the speed of vertical wave movement, high operating reliability of the device because component parts are not used in the design, absence of rotating parts and lubricating materials predicts improvement of environmental behaviour of the device, mobile floating housing allows transporting the device by water, device has storm resistant properties because horizontal waves freely pass through frame housing and flow about the floats of the device; the number of materials for manufacture of the device has been considerably reduced, which is essential for economic component of manufacture; besides, maintainability of the devices is achieved, which influences the cost reduction of the generated electric energy, namely at its being used on sites of industrial production of sea and coastal location.

21 cl, 8 dwg

FIELD: power industry.

SUBSTANCE: device includes floating housing (1) maintaining its constant position relative to vertical plane at any rise and fall of waves, vertical rod (2) attached to housing with magnet (3) fixed inside the rod, float (4) arranged on rod with possibility of back-and-forth movement along the rod, core (5) attached to the float and around the cross section of which there is winding (b). Device is resistant to storm since horizontal waves freely pass through frame housing and flow around floats of the device; the quantity of materials for manufacture of the device is considerably decreased, which is essential for economic constituent of manufacture, besides the serviceability of the device is achieved, which influences on the reduction of cost of the received electric energy, namely at its being used at objects of commercial manufacture of sea and nearshore location.

EFFECT: providing effective generation of electric energy on waves of any length irrespective of speed of vertical wave movement; composite elements are not used in the design, and as a result, high operating reliability of the device is reached, absence of rotating parts and lubricating oils provides improvement of ecological characteristics of the device, and mobile floating housing allows transporting the device by water.

21 cl, 8 dwg

FIELD: electricity.

SUBSTANCE: electric current generator includes rotor and stator with common longitudinal axis located horizontally, the cores with coils and excitation system of which provide generation of electric current; at that, centre of mass of rotor or stator are eccentrically offset relative to longitudinal axis of their rotation, and for increasing the eccentricity on rotor or stator there fixed is additional weight, or there are slots and/or holes to which there can be introduced the material with unit weight which is bigger than that of the material enclosing it, or one or some part of coils and their cores are removed, or cores with coils are located axisymmetrically or in odd number which is more than 3. In order to provide the possibility of swinging of statically unbalanced rotors or stators, they shall be installed freely, and their paired rotor or stator is fixed on the floating device having the possibility of oscillations through angle ± α at movement of water waves and possibility of being turned along the normal to impact of waves owing to the shape of their housing or vertical finning. At that, generators can be installed in front rows or in rows one after the other, and in order to percept oscillations of floating device in mutually perpendicular directions, generators can be built perpendicularly in hollow tubular rotor of external generator the rotor or stator of which are statically unbalanced and have the possibility, owing to free suspension in direction to the centre of the Earth, of oscillatory movements relative to their paired rotors and stators fixed on floating device at influence of waves thereon. In order to provide the possibility of oscillations in three mutual planes the rotors and stators of generators can be installed on horizontal rotary platform installed on floating device and having the possibility of free rotation about their vertical axis. At that, on platform and surfaces of floating device, which are adjacent to it, there can be installed cores with coils and excitation system, which provide electric current generation. Rotors and stators can also be suspended to horizontal platform, including in several tiers.

EFFECT: providing reliable generation of electric current at free mutual offset of rotor and stator of generator with forces of gravity of the Earth.

29 cl, 12 dwg

FIELD: lighting.

SUBSTANCE: invention refers to portable electric devices and can be used in many areas in which there required is electric device with independent power supply having the possibility of battery recharging, but not requiring compliance with electric safety conditions at battery recharging. Device can contain any useful load and can be a lamp, a vessel for drinks with decorative illumination, a jacklight, a laser pointer, a radio receiver, an audio player, a thermometre or another sensor, etc. In the device the useful load is connected to the battery supplying the power to it, and in addition, the device includes electric winding arranged on magnetic conductor and connected to the above battery; at that, edges of this magnetic conductor are taken to the outside, to external surface of portable electric device. In order to charge the battery, there used is charging device containing electric winding connected to electric connector to be connected to electric power supply and arranged on magnetic conductor the edges of which are taken to the outside, to external surface of charging device.

EFFECT: development of portable electric device with power supplied from the battery and the charging device, reducing possible short circuit, including in increased humidity conditions.

58 cl, 12 dwg, 1 tbl

Inertial generator // 2553968

FIELD: electricity.

SUBSTANCE: device consists of interconnected vessels with the liquid 1, floats 2i, i = 1, …, 2, connectors 3i, i = 1, …, 2, converters of mechanical energy into electric one 4i, i = 1, …, 2.

EFFECT: solution of the problem of simplification and increase of production efficiency of electric energy for low-power self-contained units installed on moving objects.

1 dwg

FIELD: electricity.

SUBSTANCE: invention relates to a generator for energy generation. Generator (100) includes floating platform (1) adapted for partial submersion into fluid medium, mast (2) located on platform (1) and containing at least one wind generator (3), at least one first energy storage device and one converter. Generator (1) also includes at least one system for storage and conversion of mechanical energy. At least one system for storage and conversion of mechanical energy includes at least one rechargeable mechanical storage battery (14), at least one balance arm (12) with a flywheel, which is connected to storage battery (14), and a device for conversion of mechanical energy to electrical energy. Wave motion or flow of fluid medium, into which platform (1) is submerged, determines oscillating movement of platform (1), mast (2) and at least one balance arm (12) for charging of storage battery (14), which in its turn outputs the energy generated by its movement to the mechanical energy conversion device.

EFFECT: invention is aimed at improvement of energy generation efficiency.

16 cl, 10 dwg

Wave energy plant // 2539410

FIELD: power generation.

SUBSTANCE: invention relates to hydropower and is intended for converting wave energy into electric power. The wave energy plant comprises a frame 1, a cover 7, a buoy 3, a rod 2 attached to the buoy, the said rod having a cylindrical and a helical part, a latching device 13 which prevents rotation of the rod around the vertical axis, a housing 9 mounted on the frame 1, the said housing having inside it a rotor 10, which converts back-and-forth motion of the rod into the rotary motion of the rotor and a flange 11 having rollers 12. The rollers 12 are constantly in contact with the bottom part of a platform 4, kinematically linked to the buoy 3. The platform 4 is a hollow cylinder having shaped elements in it, which form a periodic profile of a variable curvature. Flat magnets 5 which are merged into straight sections are attached to the top part of the platform 4, the said magnets being aligned parallel to each other to allow vertical back-and-forth motion relative to guides 19 and a frame 6, around which there is a winding 8 and mounted on posts 18, mounted on the top part of the frame 1.

EFFECT: invention is aimed at providing the efficient generation of electric power, reduce the cost of the generated power and prolong service life.

2 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

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

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: 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

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: 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

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

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

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