Converter of external kinetic energy into electricity

FIELD: power industry.

SUBSTANCE: converter is made to convert the wave energy into electric power and comprises a stator with turns of the electrical winding 4 provided with contact terminals 5 and a rotor 9 of a linear generator. The stator comprises a support frame 1 provided with a through longitudinal groove 2, on one side of which the magnetic system 3 of the stator with the winding 4 is fixed. In the opening of the groove 2 an elastic plate 6 is installed, one end of which is rigidly connected to frame 1 and at its loose end the rotor 9 is fixed, made in the form of a magnetic body, arranged with a working gap relative to the surface of the stator with possibility of reciprocating displacement relative to it through the groove 2. The plate 6 is made with an eigenfrequency of resonant oscillations of a greater frequency of water oscillations in the waves and faces their flow with one side.

EFFECT: increased output power and simplified design of the device.

5 cl, 4 dwg

 



 

Same patents:

FIELD: power industry.

SUBSTANCE: invention relates to renewable power engineering and can be used for development of new types of wind turbines of different capacity operating in free air flows. For creation of compact design and compensation of large overturning forces formed by blades the generator with the multiplier, and the rotary console fastener with blades are displaced with reference to additional fixed bearing housing towards the running air flow and are installed on the top platform of the inclined rotary frame. The frame is rigidly joined below with the central vertical shaft which is placed in the bearing housing on bearings, and this central vertical shaft is slowed down by a worm reducer which is kinematically connected through a pair of conic gear wheels with DC reversive electric motor controlled by the weather vane and the contact group of switches placed on the top end of the central shaft.

EFFECT: invention provides the creation of compact, steady to overturning, silent and safe wind turbines allowing to place them on roofs of buildings and decks of the non- self-propelled watercrafts capable to float during unlimited time without consumption of hydrocarbon fuel and without sailing equipment, and also to be used as small mobile and independent power plants.

5 cl, 5 dwg

FIELD: power industry.

SUBSTANCE: at end faces of the top and bottom sections of the main blade from the side of the running flow the rotary flaps of a flowline shape are placed, which are withheld within the limiting angles by the springing forks and returnable springs with adjustable tension are located in addition on trailer pins. Hollow sections of the main blade are in addition strengthened inside by corrugated stiffening ribs, especially in places of contact with the damping overlays of springing forks. The invention promotes creation of new types of environmentally friendly and low-noise wind- and submersible hydroelectric power plants.

EFFECT: improvement of efficiency of rotation of blades in extreme left and right positions, improvement of spontaneous start of the console after its stop during a storm or scheduled maintenance.

2 cl, 3 dwg

Windmill // 2528793

FIELD: power engineering.

SUBSTANCE: proposed windmill comprises actuator, power converter and device for protection against furious wind force. Actuator is composed of flexible element while power converter is composed of 3D oscillatory generator connected via said device for protection against furious wind force with said flexible element. Said device for protection against furious wind force consists of the first and second permanent spherical magnets arranged with unlike poles relative to each other. Flexible element can be shaped to cone.

EFFECT: higher efficiency, enhanced operating performances.

2 cl, 2 dwg

FIELD: power industry.

SUBSTANCE: method to convert wind energy into useful energy by acting on strings of incoming air flow. Oscillations of strings under action of the air flow are amplified owing to enlarging their surface by hanging cloths onto them. Conversion of energy of oscillations into useful energy is concentrated at one point between the centre of strings and the point of the surface, which is a projection of the centre of strings onto the above surface. Strings are located so that their centres cross at one central point.

EFFECT: invention allows obtaining bigger quantity of useful energy from air flow.

2 cl, 4 dwg

FIELD: power industry.

SUBSTANCE: wind power generator includes vane wind motor and electric power generator with rotor in the form of segmented elements mounted on wind motor vanes, and arc stator. Wind power generator consists of a battery of operation and backup plates mounted in line and parallel to each other upright with their joints on frame. Operation and backup plates feature bent ends and are mounted with bent ends oriented in different directions. Operation and backup plates interact by first-type levers with lengthwise slits, levers are mounted on backup plates and hook on by lengthwise slits with sliders mounted on operation plate ends. Segmented elements are mounted at operation plate ends, and stator is mounted rigidly on frame and can engage with segmented elements in operation mode. Wind power generator is connected rigidly to rotation axle that is mounted loosely on a support so that wind power generator can be put automatically along wind flow pushing plate battery and side walls. Gravity centres of plates are shifted by rotation axle tilt at angle B towards horizon and at angle D towards wind direction.

EFFECT: increased efficiency, possible mass application of wind power generator in locations inaccessible for power load connection to public power network.

5 dwg

FIELD: power engineering.

SUBSTANCE: wind-driven power plant comprises a wind generator with a blade wind turbine with a vertical rotation shaft arranged inside a fixed blade air guiding device with a base and a cover, a power generator, a control unit, an additional source of energy. The wind-driven power plant is equipped with a protective jacket, equipped with a cantilever and a hinged joint movably connected to each other and relative to the jacket, and the hinged shaft is installed in the central hole made in the protective jacket. An additional source of power according to the first version is made in the form of a wind-perceiving working organ, having the shape of an air dome with slings fixed to the latter and a flexible shaft. With one end the flexible shaft is stiffly connected with the movable cantilever of the protective jacket, by the other end it is movably connected with the ends of slings that are not fixed on the air dome, combined in one point with a mechanism providing for rotation of the air dome relative to the flexible shaft. According to the second version the additional source of power is also made in the form of a wind-perceiving working organ of similar shape. However, it comprises a plank, to which ends of slings are rigidly fixed, being non-fixed to the air dome. The protective jacket is made as dome-shaped with the base installed on the cover of the air-guiding device.

EFFECT: increased efficiency of operation of a wind-driven power plant.

8 cl, 6 dwg

Aero power plant // 2500920

FIELD: power engineering.

SUBSTANCE: aero power plant for usage of wind energy comprises a horizontal air duct, a vertical air duct and electric generators, which are kinematically connected with frames, serially installed in planes of cross section of air ducts with the possibility of reciprocal motion limited with elastic supports. Frames are equipped with airfoil plans, besides, in the first frame from the air duct inlet the plans are installed as capable of synchronous rotation limited by supports relative to longitudinal axes of the air duct on longitudinal axes arranged in the plane of the frame, in the second frame the plans are fixed relative to the frame.

EFFECT: invention makes it possible to provide for any required capacity of a power plant.

FIELD: power engineering.

SUBSTANCE: method for conversion of energy of air or water flow currents is characterised by usage of a spring 8, with which a wing 1 or an airfoil is connected kinematically via a movable axis. The wing 1 or the airfoil is connected with the spring 8 with a sling 4. Directly near the wing 1 the sling 4 is equipped with auxiliary rear and front bridles 5 and 6. The bridles 5 and 6 limit the attack angle from the minimum to the maximum position by means of movement of the axis relative to the centre of forces application, creating a torque, which in its turn results in change of the attack angle and sling 4 tension.

EFFECT: simplified design, reduced material intensity, increased manufacturability and as a result lower specific cost of a generated kW*hr of electric energy.

2 cl, 7 dwg

FIELD: power engineering.

SUBSTANCE: power plant for conversion of energy of air or water flow currents comprises a power takeoff shaft, with which a wing 1 or an airfoil is connected kinematically via a movable axis and introduced into the flow along with its motion. The power takeoff shaft is arranged in the form of a crankshaft 5. The wing 1 or the airfoil is connected with the crankshaft 5 with a sling 4. Directly near the wing 1 the sling 4 has auxiliary rear and front slings with a function of attack angle limitation. The power plant comprises a device for control of the attack angle 2 from the minimum to the maximum level, made as capable of moving the spring-loaded axis relative to the centre of application of aerodynamic forces depending on direction of crankshaft 5 movement, and as a result from head of air or water medium.

EFFECT: simplified design, reduced material intensity, increased manufacturability and lower specific cost of a generated kW*hr of electric energy.

7 dwg

FIELD: power engineering.

SUBSTANCE: method to convert energy of air or water flow currents is characterised by using of a power takeoff shaft, with which a wing 1 or an airfoil is kinematically connected via a movable axis being introduced into the flow along with its movement. The power takeoff shaft is arranged in the form of a crankshaft 5. The wing 1 or the airfoil is connected with the crankshaft 5 using a sling 4, equipped with additional short slings in close proximity of the wing. Slings provide for limitation of the attack angle of the wing 1 in the specified range. With the help of the device to control the attack angle 2 the attack angle of the wing 1 is changed with a jump from the minimum one to the maximum one, moving with the help of the movable mass of the accelerometer rigidly connected with a cam the axis of the main sling relative to the centre of application of aerodynamic forces depending on the direction of the crankshaft 5 motion.

EFFECT: simplified design of a converter realised on the basis of the method, reduced metal intensity, higher manufacturability and as a result reduction of specific cost of a produced kW hour of power.

7 dwg

FIELD: electricity.

SUBSTANCE: invention relates to a generator for energy generation. Generator (100) includes floating platform (1) adapted for partial submersion into fluid medium, mast (2) located on platform (1) and containing at least one wind generator (3), at least one first energy storage device and one converter. Generator (1) also includes at least one system for storage and conversion of mechanical energy. At least one system for storage and conversion of mechanical energy includes at least one rechargeable mechanical storage battery (14), at least one balance arm (12) with a flywheel, which is connected to storage battery (14), and a device for conversion of mechanical energy to electrical energy. Wave motion or flow of fluid medium, into which platform (1) is submerged, determines oscillating movement of platform (1), mast (2) and at least one balance arm (12) for charging of storage battery (14), which in its turn outputs the energy generated by its movement to the mechanical energy conversion device.

EFFECT: invention is aimed at improvement of energy generation efficiency.

16 cl, 10 dwg

FIELD: electricity.

SUBSTANCE: installation for conversion of roll and pitch energy of the going vessel comprises a body of anticorrosive material with ratchet mechanisms arranged in parallel to its sides, one end of the mechanisms is placed in the rear part of the installation while the second is in the front part and is fixed to the cylinder-shaped shaft. Both ends are interconnected by a circuit connected to side outputs of a rectangular tank placed inside the installation. On the top of the tank there are a front and rear handles. Wheels of the tank are placed at the rails fixed to the installation bottom. Between rails in the front and rear part of the installation there are spring-type brake systems consisting of a heel and a spring. At the installation top part, from inwards, at both sides there are gripping mechanisms, which consist of a latch hook, a lock and spring.

EFFECT: simplification of the installation design, reduction of manufacturing costs.

5 dwg

Hydraulic unit // 2534642

FIELD: power industry.

SUBSTANCE: invention relates to hydraulic unit for removal of energy from wave movement. Automatic adjustable hydraulic unit 200 for conversion of wave energy includes pump 201 intended for fluid medium pumping through hydraulic unit 200. Pump 201 has housing 202 forming chamber 203 and piston 207 allowing separation of chamber 203 into working compartment 208 and blind compartment 209. A provision is made for an activating element that is connected to piston 207. The inlet hole is interconnected with working compartment 208 of chamber 203 so that a provision of fluid medium flowing from the inlet hole to working compartment 208 of chamber 203 is provided. The outlet hole is interconnected with working compartment 208 of chamber 203 so that a possibility of fluid medium flowing from working compartment 208 of chamber 203 to the outlet hole is provided. A provision is made for a hydraulic control device having a possibility of control of pump 201 by controlling the fluid medium pressure at the inlet hole and the outlet hole so that optimisation of pump 201 output power as a response to tidal variations and/or sea state is provided. Control of the fluid medium pressure at the inlet hole and the outlet hole is performed in compliance with a control algorithm.

EFFECT: invention is aimed at achievement of higher volumes of production at lower costs.

21 cl, 12 dwg

FIELD: power industry.

SUBSTANCE: hydrojet device includes a water passage with nozzles formed with vertical side walls and flat plates. The water passage is divided at least into two cascades. Each successive cascade has bigger height. Cascades are connected to each other by means of connection planks. Each cascade of the water passage has upper and lower outside channels, at least one upper inner nozzle, one lower inner nozzle and one central nozzle. An inlet water intake hole of the central nozzle is located vertically and perpendicular to the longitudinal axis of the water passage. Connection planks are inclined to the longitudinal axis of the water passage in a vertical plane. The water passage diverges along the longitudinal axis of the water passage in a horizontal plane. Flat plates are bent symmetrically and in a convex manner relative to the longitudinal axis of the water passage in a horizontal plane so that a blunt angle is formed. Water flow turbulisers formed with spiral-shaped vertical strips are installed on the outer side of the side walls of the water passage.

EFFECT: improving use efficiency of a hydrojet device at conversion of oscillating motion energy of a ship to hydrojet energy.

3 dwg

Wave power plant // 2482325

FIELD: electrical engineering.

SUBSTANCE: wave power plant contains at least one float 1 or several interconnected floats. The float 1 is shaped asymmetrically relative to the waves propagation direction; alternatively, the interconnected floats are positioned asymmetrical relative to the waves propagation direction. The said asymmetrical shape or the said asymmetrical position results in a circular motion of the float 1 or the element linking the interconnected floats in response to the pushing action of a series of waves propagating in the said direction. The power plant additionally contains elements for converting circular movement into rotation for extraction of energy.

EFFECT: conversion of waves reciprocating movement immediately into continuous rotation.

18 cl, 10 dwg

FIELD: machine building.

SUBSTANCE: transmission (10) is supported by turbine (5) housing and includes inlet (12), outlet (20) and gear train (14, 16) between inlet and outlet, which is intended to increase the rotation speed at the outlet in comparison to the inlet. Gear train includes many gear wheels for transmission of torque from inlet to outlet. Transmission also includes static carrier (44) of stage of planetary transmission (14), which is elastically connected to housing (50) of turbine to receive reactive torque of a single elastic gear train. Transmission also includes elastic support that includes extended torsional element (60) designed for elastic twisting around torsional axis (C).

EFFECT: improvement of turbine transmission design.

11 cl, 12 dwg

Hydrojet unit // 2447316

FIELD: power industry.

SUBSTANCE: hydrojet unit contains water conduit as system of channels with input water intake holes, vertical side walls and horizontal curved walls in channels cross-section. Water conduit is divided into two or more cascades and in each cascade there are systems getting narrower along flow direction of channels. Each further cascade has bigger height. Side walls of each conduit cascade are made with front and rear edges bevelled along the flow direction. Each conduit cascade has upper and lower outside channels, at least one upper inner channel, one lower inner channel and one central channel. At each side wall of cascades there vertical chambers formed by concave plates along rear edge of vertical side walls.

EFFECT: invention allows improvement of hydrojet unit efficiency at conversion of roll and pitch energy of a ship into hydraulic-jet energy.

3 dwg

FIELD: information technology.

SUBSTANCE: device for data transmission over water surface - marine notification column (MNC) - contains mast with equipment to receive and transmit communication signals, pivotally connected via rods with at least three floats connected with device for electric power generation made capable to convert work executed during relative movement of the floats and the mast into electric power as well as mooring device located in the lower part of the mast. MNC is also equipped with solar battery installed on the mast and being capable to be folded and deployed. The system of data transmission over water surface contains MNCs spaced-apart on marine and/or ocean water surface in at least one chain or network so that robust communication is ensured, and fixed in their locations using mooring devices. It is easy to estimate that to cover with complete square grid of MNCs with square side of 40 km providing robust communication in all directions of various water surfaces of seas and oceans it would be enough and to spare to have 200000 such masts.

EFFECT: obtaining information from remote regions, communication over marine space, placement of data transmission device directly on sea surface and providing robust communications within World ocean.

7 cl, 4 dwg

FIELD: power industry.

SUBSTANCE: hydraulic jet device includes water conduit made in the form of system of channels with inlet water intake holes, which is located symmetrically relative to its longitudinal axis, vertical side walls common for all channels and horizontal curved walls in cross section of the channels, which form nozzles converging in the flow direction, which are meant for conversion of mechanical energy of the ship's pitching to hydraulic jet energy. At that, on each side wall of channels on outer side of water conduit there is vertical chamber with inlet hole on the side of front side of water conduit; vertical side walls have front and rear edges which are chamfered in the flow direction, each of which forms an angle respectively on the inlet side, to water conduit and on outlet side from it with vertex of an angle, which is located on longitudinal axis of water conduit; water conduit has upper and lower external channels, at least two internal upper and two internal lower channels and one central channel; at that, inlet water intake hole of central channel is located vertically, perpendicular to water conduit longitudinal axes; external walls of upper and lower external channels are concave relative to water conduit longitudinal axes; upper and lower walls of upper and lower internal channels respectively, which are common with channels adjacent to them of upper and lower external and internal channels, as well as upper and lower walls of central channel consist of straight plates with concave inlet section relative to water conduit longitudinal axis; at inlet of central channel in the middle between its horizontal curved walls there installed with possibility of being bent relative to its inlet edge is horizontal flat plate the inlet edge of which protrudes forward and is located in front of inlet water intake hole of central channel; at the inlet of external and internal channels there installed are flow turbulators made in the form of the rods located in middle section between curved walls across the flow entering the channels, and vertical chambers are formed with concave plates located along rear edge of vertical side walls so that concave plates form together with side walls of water conduit the convergent-divergent nozzles.

EFFECT: increasing use efficiency of hydraulic jet device at conversion of pitching energy of ship to hydraulic jet energy.

3 dwg

FIELD: power industry.

SUBSTANCE: store of energy created with wind force includes sufficient amount of energy to meet the demands of the whole mankind. The invention represents effective device supplying this energy store for practical use. On rotating drive shaft 3 there installed is a pair of shaped parts 1, 2 of convex and concave profile, open V-shaped profile with rounded top, which reverses its orientation through 180 degrees, i.e. it is rotated from convex state to concave state. Drive shaft is rotated through 180 degrees. Circular movement of water, which takes place in the wave, effectively brings into operation such turbine, while the wave dies away. Pair of concave and convex shaped parts 1, 2 is spirally spread about drive shaft 3, by means of which the streams in all directions, which come into contact with pair of shaped parts, create the torque moment.

EFFECT: improving the use efficiency of streams and multidirectional oscillatory movements occurring in waves.

25 cl, 20 dwg

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.

3 dwg

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