Method of electric power generation by means of pressure conversion under water

FIELD: power engineering.

SUBSTANCE: high pressure under water in water body with deep water is converted to electric energy by means of present method. Plurality of pressure transducers is immersed in said water body. Each transducer has large compression chamber. Air volume is compressed under water in water body using high-pressure until compressed air under high pressure. Compressed air is supplied into expansion chamber, in which turbine is arranged. Turbine is rotated by means of compressed air. Turbine in its turn, rotates electric generator, connected to it, to provide electric power generation.

EFFECT: thus, high pressure energy is converted into electric energy.

9 cl, 9 dwg



Same patents:

FIELD: power engineering, engines and pumps.

SUBSTANCE: proposed turbine relates to power engineering and comprises cylindrical housing accommodating working wheels fitted on vertical shaft. Aforesaid housing is closed at its top and bottom, filled with water and communicates with compressed air source. Vane guides are arranged below working wheels, between them and on housing walls. Housing top and bottom communicate, via overflow rectangular section pipelines, with two similar housings.

EFFECT: two-housing pneumohydraulic turbine to be used with no high-level reservoir.

FIELD: mechanical engineering; energy converters.

SUBSTANCE: proposed drive is designed for converting compressed air energy into mechanical rotation and it can be used as reduction gear. Device contains fan set into rotation by motor, tank with inner space filled with water, wheel with supports and buckets arranged below water level and provided with flow-out channels, and spool with movable ring and fixed plate. Holes are made on side of buckets and in movable ring of spool to fill buckets with water and air. Holes are made in fixed plate to deliver air into buckets from fan along air ducts. Partitions and braces can be made inside buckets. Drive can be furnished with baffle screen, and can be taken for fan overwater part of tank space.

EFFECT: provision of effective and reliable operation.

4 cl, 2 dwg

Power plant // 2246033

FIELD: converting energy of fluid media to mechanical and electrical energy.

SUBSTANCE: proposed power unit includes foundation with several identical power units mounted on it through bed frames. Each unit has body located over vertical axis of symmetry, lower and upper partitions with holes, level gauge, gas chamber, gaseous working medium discharge pipe line fitted with adjusting valves, tank-mixer, natural gas supply and discharge pipe lines and inner and outer lower, middle and upper clamping rings. Each unit is provided with flexible dome-shaped gas receiver with weights-anchors, fastening hinges and ropes laid in sea or ocean where natural gas or hydrogen is extracted. Power units have several identical power stages provided with axles with adjusting keys, sectional screw conveyers, drive belts, bypasses with valves, electric generators, waste gaseous medium discharge pipe line with moisture trap, counter, pressure gauges and valves.

EFFECT: enhanced operational efficiency and ecological safety; enhanced reliability.

2 dwg

The invention relates to the field of hydromeliorative and can be used in a pneumatic converters, which convert the mechanical energy of rotation, using the pressure of the compressed gas into electrical energy produced by the generator in the power range from 1 kW to hundreds of kW

Hydraulic motor // 2176747

The invention relates to a device that transforms energy and satisfying the equation of transformation of m1= km2

The invention relates to the field of hydro and can be used in a pneumatic converters mechanical energy into electrical energy with the working body in the form of an endless belt, mainly produces electrical energy in the range from a few kW to several hundred kW

FIELD: power industry.

SUBSTANCE: invention relates to hydropower engineering, namely to hydroelectric power plants. A run-of-river hydroelectric power plant 2 is installed on a basement 26 and contains several rigid, water-tight housings 6 with an elliptic cross section fitted with turbine modules 8 arranged with a possibility of transmission of rotation from shafts 13 enclosed by a ring 27, turbines 12 through free-wheeling clutches 14 to the common shaft 15 passing through an onshore well 21 with the ground river water circulating in it through a reducer 16 to the rotor shaft of an electric generator 17 installed on the shore 3. In each turbine module 8 the plane of rotation of the turbine 12 blades is inclined at an angle to the longitudinal axis of the flow 1, in the zone of the hub 18 of the turbine 12 to which blades are fastened. On a guiding lattice 11 located upstream the turbine 12 a cone-shaped body 25 is installed with the top oriented upstream. From the back side on the hub 18 of the turbine 12 a hemispherical body 19 is installed. Upstream and downstream the turbine module 8 a shutoff device 7 is installed.

EFFECT: invention is aimed at providing of extraction of the maximum possible part of kinetic energy of water, which freely flows in the river, for its conversion into electric power.

21 cl, 9 dwg

FIELD: power industry.

SUBSTANCE: beam (8) for attachment of fairing (2) of hydro-electric power plant (1) has a cross section in a plane perpendicular to longitudinal axis (A8) of beam (8) in the form of a parallelogram. Beam (8) includes at least one slot that mainly passes parallel to longitudinal axis (A8) of beam (8). In the cross section perpendicular to longitudinal axis (A8) of beam (8), traces of the surfaces located along the slot pass from one of the sides of large sizes of the cross section to the adjacent side of small sizes of the cross section. Hydro-electric power plant (1) includes wheel (3) that can be rotated about axis (X1), fixed fairing (2) enveloping the wheel, and at least one beam (8) for attachment of the fairing, which attaches the fairing to central support (6) of the hydro-electric power plant.

EFFECT: geometrical shape of an attachment beam allows restricting Karman vortexes and even preventing their formation at action on the beam of water flow during operation of a hydro-electric power plant.

10 cl, 7 dwg

Hydraulic unit // 2549753

FIELD: electricity.

SUBSTANCE: hydraulic unit contains the hydraulic turbine and the electric generator. The channel of the hydraulic unit housing is formed by a surface of the channel of the electric generator rotor to which the ends of vanes of the hydraulic turbine rotor are rigidly fastened. The rotor of the electric generator contains the barrel with a cylindrical ledge in which the ring groove with magnetic system is made. The external surface of the rotor forms the working gap with the surface of the cavity of the laminated core of the stator fitted with grooves in which the winding coils fixed by wedges are laid. The stator with windings is placed in a tight cavity of the housing. The working gap of the rotor is tightly separated from the named housing cavity. The housing includes boards, detachably and tightly fastened to the cylindrical housing, and its internal surface is fitted with a groove in which the package of cores of the stator fitted on end faces with press sheets and fixed by a split ring is placed. Between sidewalls of the cylindrical ledge and the surfaces of boards the thrust bearings are installed. Between the end surfaces of the rotor and surfaces of cylindrical holes of boards the radial bearings are installed. The volume inside which the radial bearings are installed, is pressurised from a gap between the inlet and outlet channels and the housing channel.

EFFECT: increase of service of the hydraulic unit and its electric generator.

3 cl, 4 dwg

FIELD: power engineering.

SUBSTANCE: invention relates to hydraulic power plants and methods of power production. The main element of the hydraulic power plant is aerodynamic surface in the form of a wing, in the body of which there is a channel that connects opposite surfaces of a wing. Water sucked into this channel rotates the turbine and the power generator connected to it. The plant may be stationary or mobile.

EFFECT: design improvement.

9 cl, 14 dwg

FIELD: power industry.

SUBSTANCE: invention can be used in hydraulic power industry as an energy conversion device of a gravity water flow to electrical energy. A damless hydro-electric power plant includes a blade wheel and a housing installed on a support. The central vertical part of the housing is made in the form of a hollow sealed cylinder filled with water or air when necessary. The horizontal part of the housing, which is rigidly attached to a cylinder, represents a truss, on which there arranged is an annular track for support rollers of a bladed wheel, a bladed wheel rotated about the hollow cylinder, a support of driven sprocket 6 of the first stage of a kinematic circuit for transmission of revolutions from the bladed wheel to an electrical energy generator, side enclosures functionally performing a role of input and output diffusers A, B.

EFFECT: invention is aimed at improvement of an efficiency factor, simplification of a design and increase of unit power.

4 cl, 2 dwg

FIELD: power industry.

SUBSTANCE: method of flowing medium energy utilisation involves guiding a fluid medium flow to diffuser 11 where the flow is accelerated and then fed to duct 3 where it is additionally accelerated due to gradual duct 3 cross-section reduction, further conversion of kinetic flow energy into mechanical power by guiding the flow to at least one work wheel 5 with blades 6, installed in the duct 3, and further deceleration of the flow. Blades 6 of the work wheel 5 are tapered in width from inlet towards the outlet edge, side surface of the blades is convex, and outlet edge is shifted against inlet edge.

EFFECT: increased flowing medium energy utilisation rate.

7 cl, 3 dwg

FIELD: power generation.

SUBSTANCE: invention relates to power plants and particularly to an apparatus for improved hydropower generation at existing impoundments. An apparatus for generating power through water impoundment comprises a frame 60, configured for transportation and installed in or connected to the water impoundment, a group of power generating cells placed in the frame 60 in multiple predetermined positions. The cells comprise selectively detachable, interlocked, stacked modules, vertically mounted in the frame and including a generator module 62 and a turbine module 68. The modules are interchangeable at different positions in the frame 60 without interrupting power generation in other cells. The cells are installed to obtain energy resulting from water impoundment. The cells are configured to convert the said energy by passing water through a turbine and rotating the turbine in each cell.

EFFECT: invention is aimed at designing a power generating apparatus with a variable configuration.

19 cl, 15 dwg

FIELD: power industry.

SUBSTANCE: movable flow-through hydraulic power station contains pontoon 1, fixed with anchors 2, body of water pipeline, hydraulic drive, electric current generator, control mechanisms. Body is made in the form of two hollow cylindrical pipelines 5 and 6 arranged coaxially one after another. First of the pipelines of larger section is turned by its free front end towards the water stream, the rear end of which is connected by means of cone hollow insert 7 to the front end of the pipeline of smaller section, the second end of which is open. Body is mechanically coupled with the energy unit 8. Hydraulic drive and electric current generator, the shafts of which are interconnected, are located inside this unit. Body and energy unit are attached to the bottom of the pontoon 1. Pressure tube 46, made in the form of Pitot tube, the free bent end of which is turned towards the moving water stream, and the other end through the stopcock 47 is connected to the inlet tube of turbine of hydraulic drive and its outlet tube is connected to the interior cavity of housing of minor section, is installed inside the housing of larger section.

EFFECT: design simplification, increase of efficiency, improvement of air-tightness and increase of quantity of power supplied to the consumer.

8 dwg

FIELD: energy.

SUBSTANCE: hydroelectric power station comprises a pipe-water passage 2 with a hydraulic turbine 6 mounted in it, connected to the generator 7. The pipe-water passage 2 is mounted in the water reservoir and laid on the bottom of the water reservoir to the platform 8 attached to the coast. The pipe-water passage 2 is additionally provided in the upper part, which rises above the water reservoir level, with the axial pump 9 with a controllable pitch propeller. The hydraulic turbine 6 is mounted in the lower part of the pipe-water passage. The pipe-water passage 2 is fixed at the bottom of the water reservoir and has the openings 4 for entry of water. The energy complex consists of several hydroelectric power stations united by the common platform and having the necessary capacity adjustable by turning on and off the pumps.

EFFECT: group of inventions enables to produce electrical energy in different climatic conditions, with the possibility of increasing the unit capacity by increasing the length of the waterfront of the hydroelectric power station.

8 cl, 5 dwg

FIELD: power industry.

SUBSTANCE: transferred medium, air inlet is made in the form of knee pipe, vertical part of which is rigidly attached in ice and faces air, while horizontal part with a diffuser is located under ice along water flow. Air intake with ventilator and generator plant inside is tightly attached to the loose end of vertical part of knee pipe.

EFFECT: simple hydro-electric plant applicable for electric power generation from hydraulic energy of river flow under ice.

2 cl, 1 dwg

FIELD: power engineering.

SUBSTANCE: method is designed for generating electric energy using natural energy enclosed in high pressure formation. Proposed method includes placing of turbine in well to which high-pressure agent is delivered, and electric generator with cable. Turbine is installed in encased well between showing high-pressure formation and intake low-pressure formation. Turbine is connected by pipes with electric energy generator. Flow of agent from high-pressure formation into low-pressure formation and to surface is provided. Regulation of agent flow into annulus and tube space is provided by distributing valve arranged in lower part of assembly of turbogenerator and hole between housing of turbine and pipe connecting tube space with annulus.

EFFECT: provision of effective generation of electric energy using energy contained in high-pressure formations.

2 cl, 1 dwg