Wave power plant
FIELD: power engineering.
SUBSTANCE: power station comprises underwater wave-receiving blade mounted for permitting rocking around the axle, hydraulic pump, and fluid-operated motor provided with electric generator. The wave-receiving blade is provided with the hydraulic accumulator built in its intermediate section and drain tank. The hydraulic pump is provided with the diaphragm and has two ways. The flexible diaphragms are arranged from the outsides of the wave-receiving blade.
EFFECT: enhanced reliability.
FIELD: hydraulic power engineering.
SUBSTANCE: proposed method and device "wave turbine USTJUG" are designed for converting energy of sea waves into mechanical energy rotating the turbine. Turbine is arranged in deep still layers of water, and float holding turbinerotating shaft but not taking part in its rotation is located on water surface tasking part in wave motion. Displacements of float are transmitted through rotating shaft by means of rigid longitudinal tie with turbine, thus setting turbine into rotation. Owing to flexibility of blades, turbine moves always in one direction. Chords of blades at rest are located in plane of turbine rotation, and in active state, blades flex like wing of bird or tail of fish at stroke cross to direction of motion. Gripping of blade and power action from float to blade is provided according to rule U=0.29 in direction cross to plane of blade motion. Blades are arranged in pairs symmetrically relative to rotating shaft on crossmember to form separate element of turbine with torques of same signs for both blades number. Of such elements arranged along turbine rotating shaft determines power of turbine rising in proportion of number of turbine elements whose relative arrangement in angle of plane of rotation and element-to-element distance of rotating shaft is determined to provide maximum efficiency of elements in operation.
EFFECT: effective conversion of wave energy and reliability in operation.
FIELD: marine engineering.
SUBSTANCE: device is designed to transform energy of wave, particularly, energy of shop oscillations into hydroreactive energy. Proposed auxiliary hydroreactive device contains water guide in form of chambers arranged symmetrically relative to its longitudinal axis with water intake holes and curvilinear walls horizontal in cross section of chambers, forming nozzles narrowing in direction of flow with output holes perpendicular to longitudinal axis of water guide. Device contains one central chamber, two outer chambers and at least two inner chambers. Inlet water intake holes of outer chambers are arranged horizontally and are pointed opposite to each other. Inlet water intake holes of inner chambers are arranged at angle to longitudinal axis and they form obtuse angle with inlet water intake holes of outer chambers in vertical longitudinal section. Inlet water intake hole of central chamber is arranged vertically perpendicularly to longitudinal axis of water guide. Vertical walls of chamber are formed by flat plates to from rectangular cross section of chamber of water guide. Outer horizontal wall of outer chamber is made of flat plate, and horizontal curvilinear walls of inner chamber are common, one with outer chamber, and the other, with central chamber, being made of smoothly curved plates with section convex relative to longitudinal axis of water guide, and concave relative to longitudinal section of water guide from side of outlet hole of nozzle.
EFFECT: increased efficiency when converting wave energy into hydroreactive energy.
FIELD: engines and pumps.
SUBSTANCE: wave engine relates to renewable power sources, in particular, wave power and to conversion of the latter into electrical power. The aforesaid engine incorporates kinematically linked pantones, an output shaft, a step-up gear, an electric generator, the first power converter, the second and third power converters interacting with the said first converter, the output shaft and with each other. The first power converter contains kinematically linked the first and second shafts, the first, second and third gears, the first and second sprockets fitted on free-wheel clutches, a chain, the first, second and third cables, anchors and a weight. The first, second and third gears, as well as the first and second sprockets are fitted on appropriate shafts. The first end of the chain interacting with the said sprockets on the said free-wheel clutch is connected, via the third cable, with the weight, while its second end being connected with the third anchor. The first pantone is anchored to the sea floor by means of the first cable and three anchors.
EFFECT: higher power and efficiency.
7 cl, 6 dwg
FIELD: engines and pumps.
SUBSTANCE: device incorporates water duct arranged in the ship bow bulb housing appliance of converting mechanical energy in hydraulic-jet power representing a set of chambers arranged one above the other in the said water duct lengthwise section and in symmetry with the said duct lengthwise axis. Every chamber incorporates an inlet water-intake hole, the chamber walls forming the nozzles narrowing streamwise and furnished with outlet holes. The proposed device incorporates one central chamber, two external upper and lower chambers and, at least, two internal upper and lower chambers the water duct chamber side walls are formed by the bulb lateral walls. The water duct chamber upper and lower walls represent lengthwise-curvilinear and horizontal-section plates. The central chamber inlet accommodates two concave curvilinear plates arranged in symmetry with the water duct lengthwise axis. The inlet of every internal chamber houses a curvilinear plate concave relative to the water duct lengthwise axis.
EFFECT: conversion of ship heaving and pitching energy into hydraulic-jet power, ship stabilisation in storm.
FIELD: motors and pumps.
SUBSTANCE: invention relates to devices for wave energy conversion including vessels swinging energy to hydrojet energy. Device includes water conduit in the shape of chambers (C), which are symmetrical with regard to longitudinal axis of device. Chambers are provided with water intake inlets (I) and curvilinear walls, which are horizontal in cross-section. Walls constrict to nozzles with outlets I. Device includes one central C, two external C and no less than two internal chambers C. All chambers C are rectangular in cross-section. Vertical walls of chambers C are formed by flat horizontal plates (P). Horizontal in cross section C walls C are formed by curvilinear in longitudinal section plates P. Inlets I of external chambers C are located along horizontal walls of rectangular plates P forming vertical walls C. They are directed opposite to each other. Inlets I of internal chambers C are situated at an angle to water conduit longitudinal axis and form obtuse angle together with inlets I of external chambers C in vertical longitudinal cross section. The inlet I of the central C is situated vertically and perpendicular to longitudinal axis and along vertical walls of plant rectangular plates P forming vertical walls of water conduit. The external wall of the external chamber C is made concave with regard to longitudinal axis of water conduit. Curvilinear walls of internal chambers C, which are common with external chamber C consist of smoothly bent plates P with convex section regarding longitudinal section from the side of inlet I and with convex section regarding outlet nozzle I. Two concave curvilinear plates are installed at the inlet part of the central chamber and are symmetrical with regard to longitudinal axis. Curvilinear plate P, which is convex regarding longitudinal axis, is installed at the inlet part of each internal chamber.
EFFECT: improvement of wave energy conversion into hydrojet thrust energy.
2 cl, 2 dwg
FIELD: engineering industry.
SUBSTANCE: invention refers to wave energy conversion devices and is meant for converting ship's vibration energy into hydrojet energy. Device includes a water conduit provided in bow bulb of the ship. Therein arranged is device meant for conversion of mechanical energy into hydrojet one. That device is made in the form of chambers. Chambers are located one above the other in a vertical longitudinal plane of water conduit section and symmetrically relative to its longitudinal axis. Each chamber is provided with an inlet water-intake opening. Walls of chambers form nozzles with outlet openings, which narrow in the flow direction. Hydrojet energy of water jet at the ship's going ahead can compensate some part of lost speed. In order to stabilise ship's position at strong side wind, on each side wall of bulb on its external side there provided is a vertical chamber with an inlet opening from the side of bulb front. Nozzles provided in the flow direction forward the outgoing flow to the sides from external side wall of the bulb, thus creating jet reaction in the direction opposite to direction of ship's transfer. After each vertical chamber in side wall of the bulb there provided are outlet openings of water conduit.
EFFECT: converting ship's vibration energy into hydrojet energy.
2 cl, 3 dwg
FIELD: engines and pumps.
SUBSTANCE: invention is related to devices for transformation of waves energy, in particular, for transformation of vessel vibration energy into hydrojet energy. Hydrojet device comprises channel-tube system, lateral right 1 and left 2 walls of device. System consists of fixed straight and profiled plates. It contains the first and second stages of energy transformation. The first stage of energy transformation includes wall 3 of central pipeline 4, wall 5 of internal channel-pipeline, internal channel - pipeline 6, external wall 7 of external channel-pipeline 8. The second stage of transformation includes wall 9 of central pipeline 10, wall 11 of internal channel-pipeline 12, internal channel- pipeline 12 and external wall 13 of external channel-pipeline 14. Central channels 4 and 10 are arranged with inlets 15. Also cutoff plates 16 are installed in channels.
EFFECT: invention makes it possible to use all energy of waves, independently on angle of flow striking at device along its longitudinal axis, which results in higher efficiency of device application during transformation of waves energy into hydrojet energy and stabilisation of vessel position.
FIELD: engines and pumps.
SUBSTANCE: invention makes it possible to use water energy for creation of motive force for longitudinal motion of vehicle, where device is installed, during vertical motion of vehicle in water. Auxiliary hydrojet device for underwater vehicles comprises at least two water conduits installed with the possibility of rotation symmetrically in vertical plane relative to longitudinal axis of underwater vehicle. Every water conduit is arranged in the form of nozzles that narrow along with flow direction with outlet openings and inlet water intake openings installed at the angle to longitudinal axis. Vertical walls of water conduit are formed with flat plates. Nozzles are arranged as located between vertical walls of water conduit with curvilinear walls that are horizontal in cross section of nozzles to form rectangular cross section of nozzles. Horizontal curvilinear walls of nozzles are made of plated with smoothly bent section, which is convex relative to longitudinal axis of underwater vehicle and is located near inlet water intake opening. Between smoothly bent sections of adjacent horizontal curvilinear walls at inlet to nozzles, there are plates installed as bent in longitudinal direction, concave relative to longitudinal axis of underwater vehicle and horizontal in cross section that guide the flow.
EFFECT: higher efficiency of water flow energy use, while underwater vehicle with hydrojet devices moves in it.
SUBSTANCE: proposed invention can be used to maintain and repair submerged communication cable main lines and carry out research in sea and ocean areas. Proposed device comprises drowning self-contained apparatus with electric power supplies and motors. Aforesaid apparatus is connected by cable-rope with floating wave source of electric power via damping unit including spiral spring and a section of said cable-rope that forms a loop. Said wave electric power source is connected in parallel to storage batteries and motor and represents an anchored sea wave power converter furnished with anchor made up of plat circle with braces.
EFFECT: increased independency of submarine navigation.
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.
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.
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.
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.
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: 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.