To produce a flow of air, e.g. to drive an air turbine (F03B13/24)

Breakwater and caisson breakwater unit // 2611917
FIELD: construction.SUBSTANCE: group of inventions relates to a caisson breakwater and, in particular, to a caisson breakwater unit containing an oscillating water column. Unit 100 of a caisson breakwater has windward and leeward sides 110 and 120 and comprises an oscillating water column. Caisson breakwater comprises base 20 installed onto sea bottom 5 and cover 50 made able to be arranged over base 20. Base 20 makes a water intake on windward side 110 and additionally forms water oscillating chamber 21. Cover 50 forms breakwater section 52 on windward side 110, turbine chamber 51, at least one air duct 58 connected with chamber 51. Cover 50 has a built-in additional essentially tight chamber 57.EFFECT: group of inventions is aimed at creation of an improved breakwater structure.16 cl, 17 dwg

obile wave power plant // 2580251
FIELD: power engineering.SUBSTANCE: invention relates to hydropower industry and can be used for generation of electric energy from wave motion in large water reservoirs, seas or oceans. Mobile wave power plant comprises floating platform with a wave-receiving chamber connected with air duct and air turbine connected to electric generator. Wave-receiving chamber is made in the form of v-shaped extended along the wave front of the tunnel with side walls inclined lower plane at its input and with spring-loaded valve at the output of the narrow part of tunnel connected with air duct, connected to the storage of compressed air. Output of the storage is connected to air turbine. Platform comprises a cavity filled with water to create controlled buoyancy. Platform is connected with the support by means of flexible cables.EFFECT: invention is aimed at creation mobile, simple design, maximum using energy of waves.3 cl, 2 dwg

Float wave power plant // 2579284
FIELD: energy.SUBSTANCE: float wave power plant comprises float 1, deflector 2, vane 3, and anchor 4, rope 5. Float 1 is in the form of a circular cylindrical pipe. Inside the float 1 is placed fluid bag, the upper part of which is a discharge duct with a cylindrical turbine chamber in the form of a circular tube with a horizontal axis. At the top of the camera is attached diffuser, covered with a flap. Turbine is installed in the camera and cinematically connected with the multiplier. Multiplier and generator are installed in the cavity of float 1 at the bend of the pressure duct. Deflector 2 is designed in a cylindrical shape and is mounted above the plug rotatably along a vertical shaft, which is attached to box 3 weathervanes. On the side surface of cylinder 2 deflector placed window air intake and exhaust of compressed air. Window release compressed air taken from flag weathervane 3.EFFECT: invention aims to increase the percent generation of electric energy, to increase reliability and to ensure the ability to control the flow of compressed air turbines.5 cl, 5 dwg

Float wave power plant // 2577074
FIELD: energy.SUBSTANCE: invention relates to marine power engineering and is intended for producing electric energy from sea waves. Float wave power plant comprises float 1, deflector 2, wind vane 3, cable 4 and anchor 5. Float 1 is made in the form of round cylindrical pipe with base bevelled to outwards. Inside float 1 there is curved in vertical pressure air duct representing pipe of round cross section which upper part contains plugged diffuser. Turbine is installed on the straight section of bend in the cavity of pressure air duct and is kinematically connected with multiplier increasing speed of electric generator. Multiplier and generator are arranged outside pressure air duct in the cavity of float 1. In the lower part of pressure air duct the pneumatic-hydraulic chamber is installed representing pipe of round cross section which diameter is equal to diameter of pipe of pressure air duct. Lower end of pneumatic-hydraulic chamber is communicated with sea.EFFECT: invention is aimed at reduction of metal consumption and increased percentage of electric power generation.4 cl, 5 dwg

Wave electric power station // 2459974
FIELD: power industry.SUBSTANCE: wave electric power station includes fixed support 1, pneumatic hydraulic chamber 2 the underwater part of which is interconnected through open lower edge 3 with water reservoir, and above-water part is interconnected with atmosphere through pressure air line 6 fixed on upper edge 5 of chamber 2. Turbine 7 with blades 8 of wind-type profile is installed across air line 6. Turbine 7 is kinematically connected to generator 9 installed on upper edge 5 of chamber 2. On opposite inner surfaces of air line 6 there made are projections with concave walls. Projections adjoin cylindrical surface swept with blades with a gap. On support 1 there arranged is rotating actuator 15 kinematically connected to chamber 2 which is fixed on support 1 with possibility of vertical movement in compliance with oscillations of medium level of water surface.EFFECT: higher efficiency of wave electric power station.7 cl, 5 dwg

Wave power generation plant // 2347940
FIELD: machine building.SUBSTANCE: invention relates to water-power engineering and is designed to be used for producing electric power by exploiting the sea or lake wave energy. The wave power generation plant comprises a vacuum-generation ejector device and an air turbine mounted in the flow passage. The said air turbine is connected to the electrical generator. The said ejector device is fixed underwater below the float with air accumulator and represents a vertically arranged confuser-diffuser passage arranged in the minimum flow passage section communicating via, at least, one check valve with the float chamber communicating via pipeline with the flow passage chamber outlet.EFFECT: higher reliability and output thanks to possibility of vacuum generation irrespective of reciprocation of confuser-diffuser passage.3 cl, 1 dwg

Universal sea power generation plant // 2347939
FIELD: machine building.SUBSTANCE: proposed power generation plant exploits the power of sea wave and tides. The plant comprises a hollow cylindrical housing with its bottom open. It communicates with seawater and is anchored to sea bottom. The said housing features a narrowing forming a smaller cylinder. The casing is attached to the aforesaid cylinder. The aforesaid casing houses an impeller driven by air sucked in/out from the housing inner space via air ducts formed by the aforesaid casing and non-return valves mounted inside the upper small cylinder, the air force being directly dependent upon the water level caused by the running wave.EFFECT: simple low-cost high-efficiency power generation unit to be mounted at whatever sea- or-ocean coast line.4 cl, 22 dwg

Floating air-and-water power station // 2347938
FIELD: machine building.SUBSTANCE: invention relates to power engineering and can be used for transforming the river stream and tides power into electric DC or AC energy. The proposed floating electric power station comprises a water craft with electrical generator mounted thereon and connected to the turbine and a confuser pipeline arranged in water stream and narrowing along the said stream. The said confuser pipeline is arranged horizontally. Note that the confuser pipeline narrower end is provided with a horizontal diffuser pipeline with an intake entrance accommodating an air nozzle arranged coaxially with the said entrance. The nozzle inlet is connected, via an air duct, to the pipeline with its shape changing from curvilinear into vertical. The aforesaid air duct is hinged to the air confuser pipeline. The latter accommodates the turbine mounted at its outlet. The air duct is hinged to turn relative to the said air confuser pipeline and to allow mounting confuser pipeline together with diffuser pipeline along the water stream.EFFECT: higher profitability and reliability.5 cl, 7 dwg

Wave power generation plant // 2330987
FIELD: engines and pumps.SUBSTANCE: invention relates to the plants exploiting the rough sea energy. The wave power generation plant includes a ship with a wave compressor using roughness energy to produce compressed air, working chambers arranged along the ship board working chambers with inlet and outlet openings submerged into water and converting the compressed air power of the turbine with electric generators. With the wave out coming, the chambers communicate during suction stage via inlet valve with the low-pressure manifold open to atmosphere and during compression stage, with the wave in coming, they communicate via outlet valves, with the high-pressure manifold. The ship features the sizes and the number of chambers allowing simultaneous exploiting of several waves. The chambers are arranged stepwise along the depth. Every subsequent stage of chambers is located deeper than the previous one. The high-pressure manifold of the previous stage makes a low-pressure manifold of the subsequent stage. The high-pressure manifold has in its lower part a drain shafts with outlet valves. The ship incorporates also a system of ballast compartments to accommodate a wave compressor on the ship water-line at the level of the first stage working chambers. At the stern and bow the ship engines are mounted.EFFECT: higher efficiency; higher output power.7 dwg

Wave power plant // 2080478

Wave power plant // 2023905
The invention relates to a wave energy installations, allowing you to use the energy of sea waves, and can serve as an environmentally friendly energy source

Wave pneumoenteritis installation // 2010996
The invention relates to hydropower, in particular power plants using energy waves

Wave power plant // 2010995

Tidal hydroelectric // 2006661