The converter of the kinetic energy of the fluid flow into useful energy
(57) Abstract:The inventive adjustably mounted on a support rod, which is pivotally connected with the possibility of a limited rotation of the DPJ change the angle of attack of one or more streamlined Thea Tool rotation bodies are made in the form of reversing mechanism of action established with the opportunity to interact with the rod and each body and provided with a control circuit with elements on and off depending on the position of the rod. Every body made in the form of wings the Wings are installed in series flow one after another. Movable rod connected to the common consumer power Bearing is made with a closed cavity in which is placed the consumer power. Consumer power is made in the form of a linear generator magnet and electrocutes which is installed on the support and the rod with the possibility of interaction between them. 3 , 2 Il.
FIELD: power engineering.
SUBSTANCE: invention relates to non-conventional power sources, and it can be used in plants using energy of wind, river, deep sea and other currents. Proposed plant contains one or several vertical shafts and horizontal rods with blades. Said hollow rods are installed on shafts for limited turning relative to their axes. Opposite blades of each rod are rigidly secured on rod square to each other and eccentrically relative to axis of rod. Shafts adjacent in horizontal direction are made for rotation in opposite directions.
EFFECT: provision of simple ecologically safe device operating at any direction of current in liquid and gaseous medium and at medium interface.
FIELD: hydraulic engineering.
SUBSTANCE: device is designed for converting kinetic energy of small and medium rivers into elastic energy. Proposed hydraulic unit contains hydraulic turbine installed on frame with bearings on its shaft, generator mechanically coupled with hydraulic turbine, stream shaper and device in form of plates to protect hydraulic unit from floating debris. Hydraulic unit has intermediate vertically and horizontally installed shafts with bearings interconnected by conical gears. Vertical shaft is arranged in well built near bank and communicating with river by channel made under level of maximum possible thickness of ice cover. Part of horizontal shaft connected with hydraulic turbine is arranged in said channel. Upper end of vertical shaft is connected with generator through ground horizontal shaft and step-up reduction unit. Stream shaper is made in form of flaps installed on shaft for turning to direct water stream of river to its central part between which turnable gate is installed for contacting with one of flaps to direct water stream to right-hand or left-hand side of hydraulic turbine.
EFFECT: provision of reliable operation all year round.
3 cl, 2 dwg
FIELD: hydraulic power engineering.
SUBSTANCE: proposed hydraulic turbine generators are designed for creating stationary and portable hydraulic plants of modular type. Generators have rotor with central shaft non-rotating around horizontal axis or vertical axis (as version) on which chain drive gears are rigidly fitted, each being coupled through independent chain drive with planet pinion members arranged radially and uniformly around central shaft. Each member has blade reduction gear consisting of gear of chain drive and of large and small cylindrical gears, the latter being coaxial and rigidly coupled with gear of chain drive of blade reduction gear, and large cylindrical gear is rigidly secured on axle of blade installed horizontally for generator (or vertically, as version). Each blade rests by ends of its axle for rotation on brackets secured on hubs by bases. Hubs are installed on both ends of shaft for rotation and tops of brackets at both ends of central shaft are connected by ring rims being drive wheels connected with energy converters by flexible drive.
EFFECT: provision of effective and reliable operation.
3 cl, 4 dwg
FIELD: conversion of river stream energy into electric power.
SUBSTANCE: proposed plant has base in the form of catamaran that mounts current generators and their drive, current parameters stabilizing system, turbine capable of running in fully submerged condition, and its hoist. Turbine is made in the form of belt conveyer installed on edge at certain angle to river stream. Blades made of flexible material are secured throughout entire width and length of belt. Each blade is made in the form of bucket capable of folding and resting on belt during transfer from working to idle side of conveyer, and it has pocket on external surface for automatic raising of blade by river stream during transfer from idle to working position. Turbine hoist has rocker arm for turbine suspension hinged on one end to catamaran and on other end, to turbine frame that mounts generator-drive bevel gear so that longitudinal axes of hoist rocker-arm hinges and longitudinal axis of bevel-gear driven pinion are disposed on same line. In addition, hydroelectric power plant is equipped with device enabling variation of turbine angle of installation to water flow.
EFFECT: enhanced power capacity.
1 cl, 4 dwg
FIELD: power engineering.
SUBSTANCE: turbine is designed to convert energy of water or air streams inflowing from side. Proposed turbine has shaft hinge-mounted in post around which blades are installed for turning in radial directions between supports rigidly and normally connected to shaft. Turning of blades is limited by stops. Blades are made flat, with rounded off long edges, and are arranged around shaft minimum in two directions with spaces between edges. Turning of blades is limited by two stops, and tire in turbine, thus formed, repeats in length of shaft with uniform angular turn. Supports can be made in form of radial cantilevers with aerodynamic profiling of cross section. Stops are made retractable into support body if pressure force of blade exceeds calibrated force of spring holding the stop in working position.
EFFECT: increased efficiency of using energy of fluid medium flow, simplified design.
3 cl, 6 dwg
FIELD: hydraulic power engineering.
SUBSTANCE: invention is designed for creating stationary and transportable modular hydraulic plants and setting up unit hydraulic power stations. Proposed water-wheel generator has body, shaft with central bevel gear, planet pinion members, each containing blade and shaft with bevel gears on ends, one end of shaft being coupled with central gear. Central bevel gear is rigidly secured on one of ends of central shaft non-rotating around its axis and arranged vertically. Planet pinion members are arranged around central radially and uniformly. Shaft of each planet pinion member with bevel gears on its ends is made single-section, and bevel gear belonging to said shaft and pointed to side of blade of said planet pinion member engages with bevel secured rigidly and coaxially to smaller spur gear of blade reduction gear. Larger spur gear engages with smaller one, and it is secured on axle of blade installed vertically. Each blade rests by ends of its axle for rotation of brackets mounted by bases on cylindrical housing installed for rotation coaxially relative to central shaft, and tops of brackets at both ends of central shaft are connected by ring rims. Upper rim, being drive wheel, is coupled with energy converters. Central shaft rests by both ends with locking on framework provided with pontoon devices. Invention makes it possible to use river current energy with maximum efficiency at no adverse effect on environment caused by submersion of river flood lands caused by building of dams, energy of ocean currents, energy of tides and ebbs owing to use of blades with two points of support. Versions of design of water-wheel generators are provided in description.
EFFECT: simple design, high adaptability to manufacture and servicing of water-wheel generator.
5 cl, 5 dwg
FIELD: generation of electric energy by conversion of water flow.
SUBSTANCE: electric energy is generated with the aid of vane-type machine having at least one rotor, rotor-driven generator and float for vane-type machine; vane-type machine is anchored stationary and rotor is oriented in direction of water flow. Vane-type machine is held in suspended state below water surface. Float may be inflated with compressed air and may be filled with water when required. Rotor is mounted on axle oriented in way of water flow. Rotor blades may be turned with the aid of mechanism in direction of water flow or in opposite direction. Rotor axle is just hollow axle forming the float. Vane-type machine is invisible during operation of plant.
EFFECT: simplified construction; reduction of time required for mounting.
22 cl, 11 dwg
FIELD: wind and hydraulic power engineering.
SUBSTANCE: invention relates to wind and hydraulic motors with vertical shaft of rotation. Proposed vertical shaft turbine has shaft hinge-mounted on post with rigidly and normally attached supports, and blades arranged between supports and installed on axle for turning being limited by two locks. Supports are installed in two directions to form row. Blades are made of closed elastic material tightly enclosing thickened axle to prevent axial displacement and vertical rigid edge spring-loaded relative to axle. Moreover, each blade is provided with stops fixing elastic material relative to thickened axle. Turbine can be furnished with additional rows of supports with blades installed higher and/or lower than first row. Turbine can reliable operate irrespective of velocity and gusts of wind, region and place of mounting, including movable objects, with provision of efficiency 10-16% higher than that of similar constructions.
EFFECT: simple design, effective operation.
3 cl, 2 dwg
SUBSTANCE: the micro hydro-electric power station is designed for converting energy of flowing medium into electrical energy. The device contains of ground unit, consisting of electricity distributing device, control system and controlled ballast load, a fixed water tank, generator located lower than the level of water in the hermetic tank and connected to the ground unit using water resistant cable. The water turbine with a horizontal axis of rotation, is mounted at the run-out and connected to the shaft of the generator through a gear transmission, in the form a multiplier located in a gondola. A cone is placed on the inlet of the run-out in front of the water turbine. The generator is located in the direction of flow behind the multiplier in the same gondola, which is supplied with a device for pumping water from its bottom part. The cone is made of flat elements; part of which is made in such a way that turning about longitudinal axes is possible. A driving gear is provided for this purpose.
EFFECT: increased operation reliability; power regulation.
6 cl, 1 dwg
SUBSTANCE: invention is related to the field of renewable energy sources, namely, wind energy conversion into electric energy. Converter contains frame and first and second blades that are kinematically connected with cord (chain), first and second drums (starts) that are motionlessly installed in the shafts of the first and second gears, which interact with the first and second gears via corresponding overrunning clutches, third gear and conical pair of gears with step-up gear and generator, fourth and fifth gears that interact with the third gear and third and fourth blades that are kinematically joined with cord (chain) and third and fourth drums (stars), which interact with fourth and fifth gears via corresponding overrunning clutches. Converter is made of two parts that are symmetrical in respect to outlet shaft of fifth gear, in which drive gear of conical pair is motionlessly installed. The second option of energy converter consists of two parallel adjacent pipes, in the middle of which leak-tight chamber is installed, and blades are installed inside pipes.
EFFECT: increase of efficiency factor and reduction of fluid medium energy conversion net cost.
9 cl, 8 dwg
FIELD: electrical engineering.
SUBSTANCE: invention relates to on-coming energy converters used in wind-power engineering, hydraulic power engineering and instruments. In proposed method two physical are used simultaneously, namely, self-excited oscillations and electromagnetic induction. Conversion of energy of on coming flow is provided due to electromagnetic induction appearing at self-excited oscillations in metal strings (flexible conductors) arranged in on-coming flow and placed in magnetic field. According to law of electromagnetic induction, metal string executing oscillatory movements in magnetic field becomes electric energy (current) generator.
EFFECT: increased power output of converter by increasing number of strings to required value.
2 cl, 1 dwg
SUBSTANCE: gas or liquid flow kinetic energy to mechanical motion converter refers to vibratory converters and contains body, set of pivot plates and mechanism of kinematic coupling between plates. Plates and mechanism of kinematic coupling are mounted in pivoting collar between provided angular clamper. Pivot axes of plates are placed behind centre of pressure, and total mass center of plates and mechanism of kinematic coupling is shifted from pivot axes of plates towards tail ends of plates. Collar is supported against body through forward kinematic flows and linearly reciprocating in plane of pivot axes of plates between mechanical energy accumulators established on body. In vibratory converter collar motion in each half-period of cycle occurs at constant attack angle along the full length of plate. It provides equipotentiality of flow velocity field and laminar character of flow along the full length of plate.
EFFECT: increase of lifting force and increase of converter capacity.
SUBSTANCE: invention is related to wind-power engineering and makes it possible to use both energy of wind rushes and permanent component of its velocity. Wind-driven device contains tower, rotary head installed on it with weather vane and hinge, mast with sail fixed in hinge axis, and mechanism of working machine motion transfer. Wind-driven device additionally contains accumulator of potential energy, sail is arranged with variable area and contains mechanism of its alteration and sensors of accelerations, at that mast is connected to mechanism of working machine movement transfer and accumulator in the plane of its swinging with provision of possibility of its swinging in the range from initial position to the right angle to this position. Accumulator of potential energy is arranged in the from of weight fixed in mast below axis of its swinging, or in the form of elastic element, one end of which is hingedly fixed to rotary head, and the second one is hingedly fixed to the mast in plane of swinging of the latter. Mechanism of working machine movement transfer may be arranged in the form of piston pump, the cylinder of which is hingedly fixed in rotary head, and stem is hingedly connected to the mast, or in the form of linear electric generator, casing of which is hingedly fixed in rotary head, and core is hingedly connected to the mast, or in the form of electric generator with rotating core, the drive of which is arranged as threaded rack, which is hingedly connected to mast and threaded wheel. Even though the design is quite simple, invention makes it possible to efficiently use energy of wind in case of any velocities and accelerations, up to the hurricane ones.
EFFECT: provision of efficient application of wind energy in case of its any velocities and accelerations, up to the hurricane ones.
6 cl, 1 dwg
FIELD: electric engineering.
SUBSTANCE: invention relates to power engineering; it can be used for energy transformation of fluid medium flow into useful yield. Method includes positioning stages of parallel wing cascade in flow of fluid medium, installation of the above wings with two degrees of freedom at least and delivery of the above flow of fluid medium to pass cascade of wings in order to excite flutter oscillations of the above wings. Thereat each wing is installed by means of individual suspension rod by cantilevering; all suspension rods should be maintained in parallel to each other. Wings are equipped with two degrees of freedom at least and adjacent wings move in antiphase. Profiled outlet and inlet pipelines may be located upstream and downstream and device can be contained in profiled channel in order to increase efficiency by changing fluid medium rate and pressure. Cantilever wings are maintained by vertical rods.
EFFECT: cascade consists of independent wing modules; each module includes wing, transformation module and motion control module; the latter provides power production from flow of fluid medium for the purpose of power generation or transfer of energy into flow of fluid medium for the purpose of draft or injection force creation.
14 cl, 9 dwg
FIELD: power engineering.
SUBSTANCE: method of converting kinetic energy of wind which acts on fixed flying vehicle with transmission of mechanical power to working member located on the ground consists in the fact that there formed are two differently directed forces acting on flying vehicle, one of which pulls the vehicle up and is determined by the fact that the vehicle is lighter than air, and the other force is specified with its aerodynamic shape having the form of semi-sphere with lower spherical surface and upper flat surface. Besides it is possible to create additional force which acts during downward vehicle movement owing to the shape given to flying vehicle of asymmetric shape in the form of flat visor, which protrudes behind the ranges of perimeter of upper surface of flying vehicle, which activates vibration process.
EFFECT: conversion of energy of wind blowing even with low velocity to vibratory movement of working member with its further being used for electricity generation.
2 cl, 3 dwg
FIELD: power engineering.
SUBSTANCE: hollow aircraft is made lighter, than air and has an aero-dynamic profile created with lower spherical and flat upper surfaces. The aircraft is conjugated with a cable by means of guard rails. In a lower part the cable passes through a funnel-type rigidly secured receiver with rounded edges. The cable is conjugated with a winch. A movable clamp with a fixing bolt is arranged in a lower part of the cable; an anchor shaft is attached to the movable clamp by means of a rigid rod; the anchor performing advance motions is located inside the immovable stator of the electric generator. The lower end of the shaft is coupled with an extension-compression spring, the lower end of which is fastened on immovable surface. Upper surface of the aircraft can be equipped with a screen extending beyond bounds of upper surface perimetre. Also upper part of the aircraft can contain a keel with surface perpendicular to that one of the upper part; and the keel passes from the centre to periphery of the upper part. An air ball can be arranged above the aircraft.
EFFECT: conversion of power of wind blowing at even lowest speed into oscillating motion of working element and subsequent utilisation for generating electric power.
5 cl, 4 dwg
FIELD: engines and pump.
SUBSTANCE: invention relates to wind power engineering and can be used for lifting water from wells and pits. Proposed plant comprises fixed base, horizontal foundation arranged to run thereon, two blades, counterweights, balance beam and pump. Every blade is fined on bar arranged in cylindrical casing to turn about its horizontal axis through 89 to 91°. Bar cylindrical casings are rigidly interjointed by horizontal shaft arranged on horizontal foundation to turn about its horizontal axis through 180° to 200° and provided with kinematic pair to transfer reciprocation to pump piston. Stabiliser represents a fin with empennage fixed on horizontal foundation, perpendicular to horizontal shaft. Counterweights are fixed on bar cylindrical casings on sides opposite to blades, while balance beam represents a weight arranged on every bar at 43° to 45° to blade plane.
EFFECT: higher efficiency and reliability.
6 cl, 5 dwg
FIELD: power industry.
SUBSTANCE: electro-dynamic wind-electro-generator consists of tail components and wind receivers made in form of elastically tensioned bands connected by means of rods with spring-loaded movable part of linear electric generators. The bands are tensioned on vertical poles of a frame mounted on a rotary base; the tail components are fixed on horizontal rods secured to vertical poles; also the bands are connected with rods in their middle part.
EFFECT: raised reliability due to absence of rotating parts and low prime cost, because elastic bands functioning as active components are items of mass production and do not require complicated aero-dynamic surfaces expensive in fabrication.
FIELD: power industry.
SUBSTANCE: wind motor includes racks, fixed platform and kinematically connected vertical shaft, rods with sprockets connected with a chain, flat blades rigidly installed on ends of rods and oriented in mutually perpendicular planes, assembly of changing the orientation and fixture of blade position, wind vane, as well as rotating platform, the second assembly of changing the orientation and fixture of blade position, assembly of conversion of oscillatory motion to rotational movement and assembly of rotation speed synchronisation, which interact with each other. Rods are hinged to vertical shaft along one vertical with possibility of free rotation; at that, assemblies of changing the orientation and fixture of blade position operating in turn interact with lower one of them. Rotating platform is installed on fixed platform with possibility of free oscillation within 90°.
EFFECT: simplifying wind motor design and increasing efficiency.
6 cl, 4 dwg