Orthogonal turbine (versions)

FIELD: power industry.

SUBSTANCE: orthogonal turbine according to the first embodiment contains the curved along the cylindrical helical line, at least one blade with an aerofoil profile in its cross-section, at that the blade is mounted across riding on it the air or water flow with ability to rotate around the axis of the cylindrical helical line, and the input edge of the aerofoil profile is directed towards the blade rotation. The blades ends are fixed relatively to the shaft, mounted with ability to rotate, coaxially to the cylindrical helix coil axis and connected to the electric generator shaft, the blade ends are fixed relatively to the shaft by means of the cantilever beams. The shaft is formed by two half-shafts, each is connected with one of the cantilever beams and is mounted on its support, the blade is curved without intermediate supports along the cylindrical helix with a constant radius of curvature, so that in each cross section the aerofoil profile of the blade is formed at the acute angle to the circle tangential, traced by the entry edge of the blade airfoil profile, and that the blade ends are rotated relatively to each other by 360°. The second embodiment differs from the orthogonal turbine of the first embodiment in that, the blade is fixed relatively to the shaft with one of its ends by means of the cantilever beam, at that the shaft is mounted cantilevered at the support, the cantilever beam is provided with the counterweight of aerodynamic shape mounted cantilevered on the shaft.

EFFECT: efficiency increase of the orthogonal turbines with airfoil blades by increasing the efficiency of the fluid power conversion, namely the water or wind flow power.

2 cl, 3 dwg

 



 

Same patents:

Vertical rotor // 2557147

FIELD: power industry.

SUBSTANCE: invention relates to power engineering and can be used in wind power generators with vertical axis of rotation. The invention is aimed at improvement of efficiency due to design simplification. The essence of the invention is achieved by that the vertical rotor which comprises a vertical shaft with active blades, according to the invention has the blades which are implemented in the form of the upper and lower groups of passive elements, and the lower group of passive elements is installed on the ends of the angular frame facing with an angle downwards and hingedly installed in the lower part of the vertical shaft, and the top group is installed on the ends of the angular frame facing with an angle upwards and hingedly installed on the vertical shaft, while the passive elements are fitted with wings, and angular frames are connected with the vertical shaft by the elastic elements.

EFFECT: technical and economic advantage of this rotor is its high performance, namely the increased working moment and the decreased counteracting moment which decreases both due to decrease of arm, and due to shading effect.

3 dwg

FIELD: power industry.

SUBSTANCE: invention relates to electrical engineering, and namely to wind power plants and wind turbines. The turbine for a wind engine contains the top and bottom blades. Between blades at different distances the wings with formation of air ducts between the top and bottom blades are fixed. The forward part of the wing, located closer to the centre, is guiding one, and back higher part of the wing, located further from the centre, is an air inlet. Each wing includes the top and bottom wings. The top wing is designed with a possibility of change of distance and an angle with reference to the bottom wing.

EFFECT: increase of the working area of turbine with design simplification at the same time.

2 cl, 4 dwg

Wind engine // 2550993

FIELD: power engineering.

SUBSTANCE: invention relates to wind power engineering and may be used to produce mechanical and electric energy. The wind engine with a vertical axis of rotation comprises a wind turbine. The wind turbine comprises at least one section. S-shaped blades are installed in the section. The section is equipped with a frame in the form of a polygonal prism with rotary wind-guiding screens. Wind-guiding screens are installed on each side of the polygonal prism as capable of provision of smooth air overflow from them to the S-shaped blades of the wind turbine. The wind engine is made in the form of a tower. Wind-guiding screens are made as rotary with the rotation angle from 0 to 90° being capable of serving as the louvres and closing each side of the frame. At the corners the wind-guiding screens are equipped with locks. In the lower part of the tower there is a turbine room and an operator room.

EFFECT: technical result consists in increased strength of design, higher capacity of a wind engine and lower noise.

3 dwg

FIELD: power industry.

SUBSTANCE: vertical-axial wind unit contains a hub rigidly secured in space, located in centre of rotation, where electric generator and rotor are arranged. The rotor contains a cylindrical shaft, from it radially in horizontal plane the power cross-arms exit, they are closed in aerodynamic fairings, at their ends there are vertical blades. The cylindrical shaft with possibility of rotation passes through the guide sleeve rigidly secured at end of the vertical mast. The electric generator contains casing, in its plane the laminated core secured to hub is installed, it has slots in which the winding coils are located. In stator cylindrical cavity the electric generator rotor is located with possibility of rotation. The rotor contains inductor made with possibility of Halbach magnetic circuit creation or with possibility of radial or tangential magnetizing. The electric generator casing is equipped with the first and second shields made with possibility of rigid engagement with the appropriate end edges of the electric generator casing.

EFFECT: invention use results in increased service life and operation reliability of the wind unit and its electric generator due to significant friction decreasing in bearings, increased generator efficiency, reduced weight of the rotating parts, increased rotational speed of the electric generator inductor.

2 cl, 6 dwg

FIELD: power industry.

SUBSTANCE: invention relates to the wind power plants for small farms, settlements, suburban areas in far regions, and centres of winter sport, for example, in hills, and increases heat and energy independence of the users. The essence of the invention is that in the wind power plant of the rotor type containing rotor in form of at least two opposite oriented curvilinear blades-semicylinders installed on the end disk; the curvilinear blade is Ѕ if the cylindrical pipe or barrel manufactured by means of trimmed cylindrical pipe of barrel cutting at angle different from the right angle, and dividing the input billet to two equal parts. At that the internal surface of the assembled cylindrical pipes or barrels can be rubberised, and outside surface of the assembled cylindrical pipes or barrels can be polished.

EFFECT: invention use with suggested technical solution reduces metal consumption of the wind power plant of rotor type keeping the design and technical simplicity and aerodynamic characteristics (usage coefficient of wind energy and relative torque) of the plant.

2 cl, 1 dwg

Wind motor // 2544902

FIELD: power industry.

SUBSTANCE: invention relates to wind power generation, in particular to wind motors, and can be used to build the wind power generating units with horizontal axis of rotation of the wind impeller located downwind. The wind motor contains the horizontal shaft with installed impeller, cone guide and outside shell, on which uniformly along the perimeter the second level vanes are installed in quantity equal to length of outside shell in meters.

EFFECT: vanes location ensures significant increasing of the total area of vanes and torque.

2 cl, 5 dwg

FIELD: machine building.

SUBSTANCE: horizontal wind-powered turbine comprises a frame and a unit for air flow routing. A rotor able of rotating on the rotor shaft is mounted on the frame horizontally. The rotor is fitted by three or more radial blade elements fixed on the rotor shaft by a fastener. The radial blade elements are set at equal distance from each other. Each radial blade element comprises supporting brackets and a wind blade fixed at the outer end section of the supporting brackets. The wind blade is of such a shape so that to capture an air flow directed to it and provide for the movement of the blade and creation of rotating force at the rotor shaft. As a result the rotor rotates around its longitudinal axis. The radial blade elements are rigidly connected to each other at their outer end sections by guy lines with tension adjustment. The air flow routing unit is designed for the acceleration and guidance of the air flow into the working air channel in order to affect the wind blades set in the working air channel. As a result the wind blades are moved under the action of the aerodynamic drag.

EFFECT: reduced weight of wind-powered turbine and provision for operation at low wind speeds.

15 cl, 16 dwg

FIELD: power generation.

SUBSTANCE: invention relates to power generation. The wind-driven power plant includes at least two wind-power modules placed one over the other. Each wind-power module comprises internal and external wind-power units mounted in a bearing frame, arranged on the same axis and capable of rotating. The internal wind-power unit is a housing, whose sidewalls are formed by blades. The external wind-power unit includes at least two Darrieus blades, mounted on elements of the internal wind-power unit. The two wind-power modules are arranged to allow the installation of a generating unit in between them. The internal and external wind-power units of one module are connected to the generator rotor. The internal and external wind-power units of the second module are connected to the generator stator. The bearing frame is at least three posts connected by cross-members on the side of the top and bottom walls of the housing of the internal wind-power unit. The posts of the bearing frame of one module can be connected to the posts of the bearing frame of an adjacent module.

EFFECT: invention is aimed at improving the efficiency of using wind energy, reliability and simplification of the structure and transportation of the system.

27 cl, 6 dwg

Rotor device // 2531159

FIELD: machine building.

SUBSTANCE: invention relates to technologies and devices of conversion and generation of kinetic energy of gas and fluid flows into mechanical and formation of flows from energy mechanism driving. The rotary device contains a barrel 4, rigidly fastened on the power takeoff shaft, vanes 8-11, in pairs fixed on the shafts 5, 6. The shafts 5, 6 are designed with a possibility of independent from each other rotation around of own longitudinal axes. The drum 4 is placed in the body 1, containing a spheric ring part and end surfaces containing a section, made as a truncated cone fixed with a wide base with edges of spheric parts of the body 1. The narrow base is placed in a cavity of the spheric part of the body 1 and is equipped with a round plate placed in parallel to ends of the drum 4, with a hole, through which the power takeoff shaft passes with a possibility of rotation. Vanes 8-11 have the axisymmetric shape. The cross-section of the cavity of the body 1 is overlapped with a partition fastened with an internal spheric surface of the body 1 and side conic surfaces of its end parts. The partition with a transversal slot is designed with a possibility for the vane 8-11 to pass through it, which is unfolded in a diameter plain of the spherical part of the body 1.

EFFECT: invention is aimed at increase of completeness of flow conversion into mechanical energy.

2 cl, 4 dwg

FIELD: engines and pumps.

SUBSTANCE: invention relates to wind-power engineering. Rotor with vertical shaft comprises blades, crossbars and vertical bearing assembly with the hub fitted at working mechanism. The blades are composed of serial shutters, horizontal channels and streamlined elements arranged in symmetry about outer edges of said channels.

EFFECT: higher efficiency of windmill operation.

3 dwg

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

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