Float wave power plant (versions)

FIELD: electric power engineering.

SUBSTANCE: invention relates to the production of electricity by converting wave energy without adversely affecting the environment. Float wave power station is proposed that contains a streamlined, sealed float of elongated shape, an electric generator, the rotor of which is connected to the axis of the two drums, one of which is wound with a cable thrown through a block mounted on the aft part of the float and the end of this cable is attached to a vertical pendulum, and a cable is wound on the other drum, thrown through a block installed on the bow of the float, the direction of winding the cables onto the drums is the opposite, at the end of the cable, thrown through the unit mounted on the bow of the float, with the help of the sling is attached at least one horizontally located plate with a counterweight, and on the float in the bow and stern are mounted dampers, through which pass the cables attached to the pendulum and to a horizontally located plate with a counterweight, and on each cable below the dampers are fixed stops. Variants of a wave power plant with pairs of shells concave in different directions, instead of plates and other connection of shells with a float in the nose part are also proposed.

EFFECT: invention will allow the float wave power station to generate electricity in the open sea at any depth of the reservoir without the anchor installed on the bottom.

4 cl, 9 dwg



Same patents:

FIELD: power industry.

SUBSTANCE: wave electric power plant includes a floating hull made in the form of a cylinder, in the lower part of which there is a working chamber with inlet and outlet valves, a piston located inside the cylinder and fixed on a stock mechanically connected to a float, a circulation pipe located under the hull, a hydraulic turbine with a generator, which is interconnected with the working chamber. The electric power plant includes additional inlet and outlet valves. The circulation pipe is connected in series with one of the additional outlet valves and the hydraulic turbine, which is connected in the lower part to the additional inlet valve, and in the upper part to the generator.

EFFECT: easier offshore installation of a wave electric power plant; simpler design; improved reliability of a generator.

2 cl, 2 dwg

FIELD: electricity.

SUBSTANCE: invention relates to equipment for production of electric energy by conversion of energy of sea waves. The device for outfeed of energy of sea waves comprises a floating object 2, a converter of energy of sea waves located on it, including a generator of electric energy and a submersible element 1, in the working position located below the bottom of the object 2. The area of projection of the element 1 onto the plane, which in the working position of the device is a horizontal plane, is more than each area of its projections onto two other planes perpendicular to the first plane and each other. The profile of the element 1 is made as a convexo-convex or convex at one side and concavo-convex at the other side, or concavo-convex at two sides. The element 1 is connected with the converter of energy with the possibility of relative displacement of the element 1 and the object 2. The energy converter includes a sliding link. The element 1 has positive buoyancy and is connected with the sliding link as capable of transferring mechanical power to the generator with submersion of the object 2.

EFFECT: invention is aimed at increasing efficiency of outfeed of energy of sea waves.

7 cl, 14 dwg

Wave power plant // 2482326

FIELD: power engineering.

SUBSTANCE: wave power plant comprises a floating body 1, a mechanical converter of sea waves energy made in the form of a horizontally installed carrier 5 at one end connected with a shaft 6 vertically and hingedly installed on the body, and the shaft is connected with a rotor of a power generator 4, the stator of which is connected with a floating body 1, and its other end is equipped with a mass 7. The power plant is equipped with additional floats 2, connected to the body 1 with the help of telescopic sliding mechanisms 3, as capable of adjusting total length of the floating part of the body 1 and floats 2 equal to wave half-length. The carrier 5 is equipped with a telescopic sliding mechanism of mass 7 displacement relative to the shaft 6 of the power generator 4 drive.

EFFECT: expanded range of optimally used waves, increased energy efficiency and capacity.

3 cl, 2 dwg

FIELD: power industry.

SUBSTANCE: wave electric power station intended for being installed on or in the sea or lake, for power generation includes floating construction and at least one floating body 1 which is moved vertically in relation to floating construction and is connected to the aforesaid construction through power transmission device. Floating construction includes a deck which is supported in fact with vertical supports. Supports have a pontoon functioning as damper and adapted for being arranged below water level. Deck, supports and pontoon comprise the space within which floating body 1 or bodies are located. In fact, pontoons have square section with oblique angles and with width which is more than height so that the floating construction is essentially fixed relative to still water level.

EFFECT: increasing output energy of wave electric power station.

17 cl, 17 dwg

FIELD: electrical engineering.

SUBSTANCE: invention relates to electrical power engineering, particularly to electricity generating installations which convert energy of sea waves. The wave electric power station contains pivotally connected floats of a profiled floatation raft with a dynamic anchor, freewheel clutch and torque-limiting clutch. The electric power station is fitted with a self-adjusting bubble breaker, which includes a pneumatic blower driven by the former, starting from the head, floats of the profiled floatation raft, air pipe and an air-distribution pipe, placed on the arms of the dynamic anchor in the water space in front of the head float, and a device for automatic control of air release, for example in form of a stop valve activated by floats. Pivotal connections of the first floats are provided with pneumatic shock-absorbers, for example combined with pneumatic blowers. Drive wheels of these floats are linked with the latter through combination sleeves, which comprise freewheel clutch and torque-limiting clutch.

EFFECT: invention is aimed at designing a wave electric power station, capable of stable operation in any field operating conditions.

4 dwg

FIELD: power engineering.

SUBSTANCE: device is designed to supply stationary and mobile consumers. Proposed power generating station contains system of floats, kinematic system with overrunning clutches and flywheel coupled with electric generator. Floats are connected with dynamic anchor by prestressed elastic ties. Kinematic system has common multilink propeller shaft connected with body of each float by kinematic pair with gear ratio rising from link to link in direction from machine compartment and connected with flywheel either rigidly through torque limiting clutch, to shaft of flywheel speed stabilizer made in form of dynamic clutch is connected directly or through step-up gear. Rotor of electric generator is coupled with dynamic clutch.

EFFECT: provision of use of wave irrespective of amplitude of waves.

4 dwg

Wave power plant // 2305794

FIELD: power engineering.

SUBSTANCE: proposed plant is designed to convert energy of waves into electric energy. Proposed device contains pontoon, anchor chain and anchor, electric generator and drive including working and support sheaves over which flexible tie with weights o each end is passed. One of weights is installed for hanging over bottom and is made in form of floating anchor and the other is made in form of counterweight. Anchor chain is provided with tie-rod. Floating anchor and counterweight are made for adjustment of their mass. Floating anchor can be made in form of hollow platform in which row of chambers is made. Each chamber is sealed and designed for accommodating and/or ground, and /or air, and/or water. Counterweight is made in form of hollow float with sealed chamber in lower part which is designed for ground, and sealed air chamber is found in its upper part. Tie-rod is installed by one end on anchor chain and by other end, on pontoon. It is made flexible and can be adjusted in length.

EFFECT: provision of operation at any depth.

5 cl, 3 dwg

Pendulum engine // 2176327

Wave energy machine // 2141057
The invention relates to power engineering and can be used in devices for converting wave energy into electrical energy

Wave power plant // 2080478

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