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257 results about "Tidal Waves" patented technology

Water waves caused by the gravitational interactions between the EARTH; MOON; and SUN.

Geophysics-based method of locating a stationary earth object

A geophysics-based method for determining the position of a stationary earth object uses the periodic changes in the gravity vector of the earth caused by the sun- and moon-orbits. Because the local gravity field is highly irregular over a global scale, a model of local tidal accelerations can be compared to actual accelerometer measurements to determine the latitude and longitude of the stationary object.
Owner:NAT TECH & ENG SOLUTIONS OF SANDIA LLC

Method and device for desalting sea water and generating electricity by utilizing tidal energy drive

The invention relates to a method and device for desalting sea water and generating electricity by utilizing tidal energy drive. The high sea water in the sea when in rising tide is utilized to impact a water turbine to rotate in the process of flowing into an impounding reservoir, or the high sea water in the impounding reservoir when in ebbing is utilized to impact the water turbine to rotate in the process of flowing into the sea; the water turbine drives a high-pressure pump to operate to generate high-pressure water which is desalted through a reverse osmosis membrane module; the high-pressure concentrated sea water discharged from the reverse osmosis membrane module impacts a turbo machine to rotate; the turbo machine drives a generator to rotate to generate electric energy, thus realizing the comprehensive utilization and conversion of the tide energy; the effluents in the process of energy utilization and conversion do not cause pollution, are clean and environmental-friendly;the system does not need additionally provided external power, and is low in operation cost; and the tide energy is a renewable energy source, and has the advantages of sustainable development, better social benefits and application value.
Owner:GUANGDONG OCEAN UNIVERSITY

Wave-powered water wheel type generator

A Styrofoam-filled plastic cylinder that has collapsible paddle wheel fins attached about the circumference. Two shafts extend from the ends of the cylinder. The shafts are held by bearings. The bearings are attached to a frame structure that is embedded into the seabed. The shafts then extend past the bearings and are connected to a gear drive system that, in turn, connected to generators or other mechanical devices. When installed in the sea, the cylinder will turn in the swells / tidal action for as long as the ocean produces waves. Platforms on either side of the cylinder rise and fall with tidal action to maintain effective contact with the water at all times. Moreover, because the structure is positioned at or near the water surface, maintenance is much simpler for this device.
Owner:NEESE STEPHEN L

Tide predicting method

The invention relates to a tide predicting method for the tide is influenced by various factors, including cyclical factors, such as tidal generation force, and non-cyclical factors, such as wind power, atmospheric pressure, coast characteristics, rainfall, dip angles of the lunar orbit and the like. The predicting accuracy of the traditional harmonic analysis method is influenced by partial tide number, and the traditional harmonic analysis method cannot analyze the influence of non-cyclical factors; the artificial neural network method developed recent years overcomes the defect that the non-cyclical factors cannot be predicted by the harmonic analysis method to a certain extent, but has great data volume required by study training samples and wide involve range, can cover various possible conditions, but has less station historical data of non-cyclical factors. The invention provides a predict model, wherein factors which influence tide non-cyclically, such as wind directions, rainfall, storm surge, coast characteristics and the like, can be fused into the model, and small sample data can receive more accurate results. In the method, a support vector machine (SVM)-based predict model is established, wherein, an SVM toolbox is imported into MATLAB 7.8; training sample data is trained by utilizing svmtrain function; the formed model is tested by using a test sample svmpredict function; and the trained and tested data can predict the tide in the same tide test station.
Owner:SHANGHAI OCEAN UNIV

Automation equipment for simulating tide motion of beach

ActiveCN101013532AConcise designSimple and efficient operationEducational modelsBiogeochemical cycleCoastal zone
The invention is eco-environmental engineering technology; the device can be used to simulate the tidal changes. The devices have automatic intake system, sample boxes, and automatic water drainage system four partitions. The automatic intake system includes pumps, timers and the intake pipe; the samples boxes are used to store or plant test sample; the automatic drainage system includes solenoids, filters, timers and drainage channels. Two timers connect with pumps and solenoid valve. According to the different cycles of the coast tidal movement, set the timer to control the time of in / out time to simulate tidal movement. The tidal simulation environments simulated by the invention can provide necessary research and experimental platform for ecological response, ecosystem and biogeochemical cycles under dynamic conditions on the coastal zone.
Owner:NANJING UNIV

Pulse wave signal feature point detection method based on waveform time domain features

The invention provides a pulse wave signal feature point detection method based on waveform time domain features. The mode that the interval of analyzing waveform is gradually decreased is adopted, the positions of feature points in pulse wave signals are determined by combining a differential algorithm with a wavelet transform algorithm on the basis of the waveform time domain features of the pulse wave signals in the analyzing process, therefore, unnecessary interference can be effectively removed, the signal features are amplified, the accuracy of pulse wave signal feature point detection is improved, and the recognition accuracy for the condition that tidal waves or dicrotic waves in pulse wave waveforms are not obvious is high. According to the pulse wave signal feature point detection method based on the waveform time domain features, detection of a computer on the pulse wave signal feature points is achieved, the workload of clinicians is reduced, the defect of manual detection errors is overcome, and a technological base is supplied to automatic calculation and acquisition of clinical pulse wave information by computer equipment and research and development of continuous non-invasive blood pressure detection equipment.
Owner:重庆东渝中能实业有限公司

Buoy systems and methods for minimizing beach erosion and other applications for attenuating water surface activity

A buoy for use in reducing the amplitude of waves in water and a system making use of plural buoys to create a floating breakwater. Each buoy is arranged to be constrained, e.g., connected to an anchor, and comprising a body e.g., a cylindrical member having at least one outwardly projecting fin, that is configured to be resonant and impedance matched. The buoy and anchoring approach allows for self-tuning to the chances in the wave spectrum due to the tidal or storm surge induced changes in the water depth. The body of the floating buoy is not limited to circular cylinder, and could be square, hexagonal, triangular, etc but must have at least one exterior mounted fin.
Owner:MURTECH

Floater type tide and sea wave power generation device

The invention discloses a novel floater type tide and sea wave power generation device which comprises a cylinder, wherein the inner wall of the cylinder is embedded with a power generation coil, the outer wall of the cylinder is provided with blades, the center of the cylinder is embedded with a magnetic pole of a permanent magnet, the cylinder is sealed by adopting a sealing ring, two ends of the cylinder are provided with ladder-shaped wave flow collection plates which can generate induced currents by using wave flow in a horizontal direction and wave vibration, the generated induced currents are used for charging a battery after rectified, and a stable DC (direct current) is output, and then is converted into a power frequency AC (alternating current) through current transformation.
Owner:王益才

Hinged blade device to convert the natural flow or ocean or river current or ocean waves to rotational mechanical motion for power generation

A device and method for producing rotational mechanical power is disclosed which has a plurality of hinged blades attached to a central circular hub. The device may be used to convert the kinetic energy from the movement of the wind, ocean or river currents, or tidal flows into useful rotational mechanical power. The rotational mechanical power may be converted into electrical energy. Each of the plurality of blades are attached to the central circular hub via a hinge. Each blade is also fitted with a blade limiter to restrict its motion to no more than 90° relative range from the tangent line to the central hub at the point where the blade attaches to the hub. The hinges and blade limiters allow the blades to both present a surface automatically to the motive natural fluid and to generate the maximum torque in one side and minimum resistance torque positions in the opposite side relative to the motion of the motive stream. The resultant blades relative position creates a torque differential from one side of the central hub to the other causing the hub to rotate. The central hub will rotate in the same direction regardless of the direction of flow of the natural motive stream.
Owner:LIN CHENG S

Back-silting simulation method for basin channel of force tide firth artificial island operating area

The invention discloses a method for simulating back-silting of a basin channel of a force tide firth artificial island operating area. The method comprises the steps of establishing a water flow mathematical model by use of a water flow sediment mutual feedback calculation mode and variable roughness factors changing with geomorphology and tide levels; calculating representative wave radiation stresses at different tide levels; optimizing an artificial island plane modality; performing wave, tide and runoff and sediment discharge coupling fitting; and finally, counting aback-silting amount. According to the method, in a wave current sediment mathematical model construction process, the requirement of basin channel back silting simulation of force tide firth artificial island operating areas with different geomorphologic shapes can be adapted and satisfied for the unique dynamic geomorphology characteristics of irregular coastlines of a semi-closed force tide firth offshore artificialisland, large tidal volume of inflow and outflow of force tides, wide tidal flat and complex geomorphology, strong tidal current under the action of rotary current, high influence of waves and combined action of sediment movements affected by wave currents in consideration of the variable roughness factors changing with the geomorphology and the tide levels.
Owner:NANJING HYDRAULIC RES INST +1

Device and method for imitating pollutant transport and upstream salty water of riverway with repeated tidal flow

InactiveCN104264622ARealistic flow change lawEasy to operateHydraulic modelsEcological environmentEngineering
The invention belongs to the technical field of the water ecological environment, and particularly to a device and a method for stimulating pollutant transport and upstream salty water of a riverway with a repeated tidal flow. The device comprises an upstream flow control device, a middle water tank device and a downstream tidal flow control device, and is characterized in that the upstream flow control device comprises a water inlet pipe, a constant flow water tank and an upstream water level control water tank; the middle water tank device comprises a water tank body, a speed measuring device and a pollutant sewage inlet tank; the downstream tidal flow control device comprises a tide water level control water tank, a tide backflow stimulation water tank, a compensation or seawater salinity stimulation water tank; the upper end of the water tank body is connected with the upstream water level control water tank while the lower end thereof is connected with the tide water level control water tank; the tide water level control water tank is connected with the tide backflow stimulation water tank; the compensation or seawater salinity stimulation water tank is connected with the tide backflow stimulation water tank. The device and the method for stimulating pollutant transport and upstream salty water of riverway with the repeated tidal flow can stimulate transport and diffusion rules of the pollutants in the riverway with the repeated tidal flow (the upstream salty water rules), and can be widely applied to the simulation tests in the technical field of the water ecological environment.
Owner:HOHAI UNIV

System for converting tidal wave energy into electric energy

A system for converting marine surface wave energy into electric energy includes a barrier disposed generally vertically and having at least a portion thereof disposed above a surface of a body of water. The portion has a substantially planar surface disposed generally transverse to direction of marine surface waves. Bottom edge of the barrier is pivotally connected to one of a floor bed, a rigid formation and a rigid structure. At least one linear electric generator is coupled to storage of electric energy and is operable by a pivotal movement of the barrier. One type of electric generator is disposed external to the barrier while another type is mounted within a barrier chamber.
Owner:ANDUJAR JUAN

Flow-guiding and energy-gathered type sea wave, tide, ocean current and wind power four-in-one power generation system

The invention relates to a flow-guiding and energy-gathered type sea wave, tide, ocean current and wind power four-in-one power generation system. A base is arranged below the sea wave level and provided with a plurality of arc flow guiding plates which are evenly distributed along the circumference. The lower ends of supporting rods are connected with the arc flow guiding plates, and the upper ends of the supporting rods are connected with a platform. An accelerating machine is arranged on the platform, the upper end of a transmission pipe is in transmission with the accelerating machine, and the lower end of the transmission pipe penetrates through the platform and then is connected with a bearing; the bearing is arranged on the base. A plurality of fan blades and impellers are evenly distributed on the transmission pipe, and the impellers are located below the fan blades. The vertical end of one side of each arc flow guiding plate is close to the impellers, and the vertical end of the other side of each arc flow guiding plate is close to the outer edge of the base. A generator is arranged at the upper end of the accelerating machine and is in transmission with the accelerating machine. One end of a cable is connected with the generator, and the other end of the cable sequentially penetrates through the transmission pipe and the bearing and then is connected with a cable connector in the base. The power generation system has the beneficial effects that sea waves, tides, ocean currents and wind power act together to achieve high-power electricity generation, and sea water or wind power also can be used for independently generating power.
Owner:JINING ZIJIN ELECTROMECHANICAL TECH CO LTD

Tide forecasting method based on global positioning system

The invention discloses a tide forecasting method based on a global positioning system. The method comprises the specific steps that first, according to a tidal station, satellite altimeter data and water depth data, high-precision tidal harmonic constants of all tidal constituents are calculated through a data assimilation method and based on a two-dimensional tidal wave adjoint assimilation model; second, high-precision satellite positioning information is acquired in real time; third, according to the tidal harmonic constant data obtained in the first step and the satellite positioning information obtained in the second step, interpolating calculation is carried out through a distance weighting inverse ratio method, and the tidal harmonic constants of arbitrary points and tide forecasting data at arbitrary time are obtained; fourth, the tide data obtained in the third step is forecasted and output. The high-precision tidal harmonic constants can be acquired according to the two-dimensional tidal wave adjoint assimilation model, the high-precision satellite positioning information can be acquired in real time according to the global positioning system, and the tide forecasting data at arbitrary positions and time can be obtained based on the tidal harmonic constants and the satellite positioning information.
Owner:青岛地球软件技术有限公司

Automatic tidal lane provided with electromagnetic isolation piers

The invention discloses an automatic tidal lane provided with electromagnetic isolation piers. The automatic tidal lane provided with the electromagnetic isolation piers comprises a tidal lane body, a movable isolation belt and a driving device. The driving device is used for driving the movable isolation belt to move on the tidal lane body, so that the vehicle flow direction of the tidal lane body is changed. The movable isolation belt is formed by connecting the electromagnetic isolation piers in sequence. The driving device is provided with a guide rail. Guide rail holes matched with the guide rail are formed in the electromagnetic isolation piers. Electromagnetic driving devices are arranged in the electromagnetic isolation piers. According to the automatic tidal lane provided with the electromagnetic isolation piers, through the electronic and mechanical self-movement of the movable isolation belt, the traveling direction of the tidal lane body can be adjusted through the isolation belt, vehicle flows in different directions are separated, and unnecessary labor is reduced. In addition, the tidal lane body is distinguished from other lanes through the isolation belt so that a driver can know the traveling direction of the tidal lane body more clearly, and the danger accidents such as going in the wrong direction are avoided; and the road traveling safety is improved, and the traffic burden is relieved at the same time.
Owner:TRANSCEND COMM BEIJING

Dynamic visualization method of island reefs based on tidal process

InactiveCN103258348AAccurate exposure to waterIntuitive dynamic displayAnimationSpecial data processing applicationsTime domainTerrain
A dynamic visualization method of island reefs based on the tidal process is characterized in that according to an area and a time domain set by a user, data such as terrain and the depth of water in a corresponding area are extracted from fundamental geographical information database, the DEM of the area is obtained or generated, time series of tide height absolute elevation in a certain period are generated according to a tidal table of the area and the time domain, exposing forms of the island reefs with different heights of tide are respectively extracted from the DEM and are combined according to the time series, and exposing situations of the island reefs with different tide levels are shown dynamically.
Owner:INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS

Ocean tide load displacement parameter estimation method based on precise point positioning (PPP) and harmonic analysis

InactiveCN107544075AImprove estimation strengthReduce the sampling intervalSatellite radio beaconingHarmonic analysisEstimation methods
The invention provides an ocean tide load displacement parameter estimation method based on precise point positioning (PPP) and harmonic analysis. Three-dimensional ocean tide load displacement influences are regarded as unknown parameters, and together with other PPP positioning parameters, real-time estimation is carried out; and through harmonic analysis, the ocean tide load displacement parameters for each tidal wave are extracted. Based on a theory of estimating 48 ocean tide parameters by static PPP, 3 unknown ocean tide parameters are used to replace the 48 parameters, the ocean tide load displacement is estimated dynamically and in real time, reduction of the estimated value calculation strength due to rapid increasing of unknown numbers can be effectively avoided, and advantage complementation between the static PPP and the dynamic PPP can be realized. The ocean tide load displacement parameter estimation method based on precise point positioning and harmonic analysis has theadvantages that the algorithm is advanced; the precision is high; the stability is strong; the automatic degree is high; the realization is simple; a high-precision and high-resolution ocean tide loaddisplacement model for a coastal area can be constructed through ocean tide parameter estimation; and service and guarantee are provided for correction of ocean tide load effects in high-precision GNSS data processing.
Owner:NAT TIME SERVICE CENT CHINESE ACAD OF SCI

Wave/tidal test verification system device and application thereof

The invention relates to a wave / tidal test verification system device and application thereof. The wave / tidal test verification system device comprises a core measurement and control system and a key auxiliary mechanism, wherein the core measurement and control system comprises a power system and a measurement and control system; the key auxiliary mechanism comprises a traction auxiliary mechanism, a bearing platform auxiliary mechanism and an isolation auxiliary mechanism; and the measurement and control system is used for monitoring and controlling a system and mutually cooperated with the power system. The wave / tidal test verification system device disclosed by the invention is a novel wave and tidal integral test verification system which completes the verification tasks of a gravity acceleration sensor, a gravity acceleration meter type wave buoy, a pressure-type acoustic-type optical-type wave measuring instrument and a pressure-type acoustic-type float-type tide gauge / water level meter by simulating the movement change rule of waves / tides / water levels by dragging the bearing platform auxiliary mechanism to move at acceleration fitting to a certain change rule in a vertical direction by dint of the traction auxiliary mechanism.
Owner:中国人民解放军理工大学气象学院

Tidal current power generator

The present invention relates to a tidal current power generator. In the tidal current power generator, tidal current flows in a concentrated manner into a power generation module for generating electrical energy using the flow of tidal current, in order to increase the speed of the tidal current. Thus, the amount of electrical energy generated by the power generation module may be improved to achieve highly efficient performance. Also, the range of locations in which the power generation module may he installed is significantly expanded in order to increase the electrical generation using tidal current. Since the power generation module is integrally assembled and then refloated in order to install same on the bottom of the sea, the power generation module may be easily installed as well as easily repaired and maintained.
Owner:RENETEC

Offshore fan foundation scour prevention structure

The invention provides an offshore fan foundation scour prevention structure. The offshore fan foundation scour prevention structure comprises an annular pile skirt which is arranged on the outer sideof a pile foundation in a sleeving manner and fixed to a seabed surface, the annular pile skirt comprises a mounting hole allowing the pile foundation to penetrate through, a scour face with the height, extending to the seabed, from the mounting hole gradually reduced, and a buffer face mounted on the connecting position of the scour face and the seabed surface, according to the offshore fan foundation scour prevention structure, through attaching of inclined faces of the scour face and the buffer face on the annular pile skirt and the seawater speed change gradient generated by ocean currents or tides, speeds, arriving at the annular pile skirt, of the ocean currents or tides are basically consistent, the front-pile vortex generated by the ocean currents nearby the pile foundation can beweakened to the maximization, a scour pit generated by the vortexes can be avoided, according to the scour prevention structure, the structure is simple, machining is easy, the building cost is low,the later-period maintaining is convenient, the scour prevention effect is good, and bearing force of the pile foundation and the fan running reliability are ensured.
Owner:SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA +1

Multi-target one-way channel wharf continuous berth allocation scheduling method

The invention relates to a multi-target one-way channel wharf continuous berth allocation scheduling method. According to the method, a ship entering and leaving problem is abstracted into a two-dimensional encasement model, a hybrid algorithm is designed for solving with the maximum port effective berth utilization rate and the minimum port effective berth utilization rate as comprehensive targets, and ship entering and leaving conditions and loading and unloading cost factors are fully considered and include that ships with large load tons need to enter and leave a port within a tidal time range; ships incapable of navigating at night need to enter and leave the port before sunset or after sunrise; the shoreline function of the berthing position of the berthed ship should be matched withthe requirements of ship goods types and the like; goods berthed on each section of shoreline have different loading and unloading costs when arriving at each reservoir area. According to the method,the port ship entering and leaving time and the berthing position are automatically arranged, berth resources can be fully utilized, the cost is saved, and the port operation efficiency is improved.
Owner:TANGSHAN PORT GRP

A wave power generation apparatus with an anchor chain automatic adjusting device

The invention provides a wave power generation apparatus with an anchor chain automatic adjusting device. The wave power generation apparatus is low in construction cost. The wave power generation apparatus comprises an appendage system, an acting floating box, an anchoring system, an anchor chain automatic adjusting device and a power generation system 5. The appendage system 1 is pulled by the anchoring system 3 and can be pulled in the water; when the buoyancy force and the pull force of an anchor chain reach balance, the appendage system 1 becomes motionless in water and does not rise and fall along with waves. The power generation system 5 installed on the appendage system 1 generates electric energy because a rack or a hydraulic rod thereof moves along with the acting floating body 2. The anchor chain automatic adjusting device 4 can adjust the length of a mooring rope according to the change of tides, so that the floating bodies of the appendage system 1 can be kept at a certain position under the water surface and almost maintain a stable distance with the water surface and the acting floating body 2 can move in a certain fixed range of a support. The apparatus is relatively low in construction cost, simple to manufacture, easy to install, convenient to maintain and higher in commercial value.
Owner:陈文彬

All-round deepwater tidal current power station (set) and power station group

ActiveCN104278662AWon't impactThere is no problem of mud and sand washingWater-power plantsWater conservationSquare kilometerEngineering
The invention discloses an all-round deepwater tidal current power station which adopts tidal current generated by gravitation of celestial body for power generation, and solves the technical problem that human beings fail to utilize tidal current for power generation. The all-round deepwater tidal current power station (set) comprises anti-dive wave elimination floats, floating current stabilizing trenches or variable-speed floating current stabilizing trenches, floating power station units, suspension wave elimination dykes, single suspension wave eliminators and the like. The suspension wave elimination dykes and the single suspension wave eliminators are capable of completely eliminating storms and surges to enable a deepwater tidal current power station group to withstand attacks of typhoon, billows and surges from any directions. The all-round deepwater tidal current power station and the power station group have the advantage that a superficial sea area 3m in depth has the power generation capacity of more than 1 billion kilowatt hour per day by exerting 30% of utilization ratio of seawater per square kilometer.
Owner:荣成市华慧新能源科技有限公司

Coastal zone dam stability monitoring and flooding vulnerability evaluation method and system

The invention belongs to the technical field of coastal zone dam monitoring, and discloses a coastal zone dam stability monitoring and flooding vulnerability evaluation method and system. The method comprises the steps of preparing a satellite-borne SAR single look complex image and global DEM data for assisting the InSAR time sequence analysis, and obtaining dam point cloud data, sea level risingdata and tide inspection data through employing an unmanned plane laser radar; carrying out data preprocessing to realize dam DEM generation, dam deformation rate acquisition, dam future DEM simulation and dam water level simulation; and performing flooding analysis to realize dam flooding analysis and dam flooding scene display. According to the invention, the combination of the satellite-borneInSAR time sequence analysis deformation rate and the unmanned aerial vehicle-mounted laser radar DEM is realized, and high observation precision and space-time resolution are ensured. According to the invention, three components (tidal component, storm water increase and sea level rise) are synthesized for flooding water level simulation, daily conditions and extreme conditions are simulated at the same time, and over-high water level estimation is avoided.
Owner:OCEAN UNIV OF CHINA

Shallow sea region land and sea mixed rock riprap method for dynamic planning

The invention discloses a shallow sea region land and sea mixed rock riprap method for dynamic planning. The method comprises the following steps of: (1) performing construction preparation, dividing construction grids through a beacon machine, and measuring and controlling the position of a rock riprap ship through global position system (GPS); (2) performing opening body barge rock riprap construction when the water depth is more than 1m, performing flat plate barge rock riprap construction when the water depth is close to 1m, and coordinating the two ships to perform seaborne rock riprap embankment fill; (3) performing vertical riprap construction through a land low tide or when the riprap embankment is exposed out of the water surface; (4) performing water depth and settlement observation in real time, combining the tide information, and dynamically planning the rock riprap position and the rock riprap quantity; and (5) employing a large-side small-middle rock riprap method in the total rock riprap process, and performing impact rolling reinforcement on the embankment after the rock riprap is finished. According to the method, the construction period can be effectively shortened, the construction safety is improved, the possibility of error riprap and erosion is reduced, and the construction cost is greatly reduced.
Owner:ZHEJIANG UNIV OF TECH

Tidal power generating module and tidal power generation method using the same

InactiveUS20120193920A1Economically and stably generating powerContinuously generate powerMachines/enginesEngine componentsSeawaterTidal Waves
Disclosed herein are a tidal power generating module and a tidal power generating method using the same. The tidal power generating module continuously generates power using compressed air and weight of seawater even at high tide and low tide at which the level of the seawater is not fluctuated in addition to the vertical movement of a vertical movement unit due to the rise and fall of the tide.
Owner:KIM JUNG SUK +1

Wind and water power generator ship

A wind and water power generator ship. A waterpower generation unit generates electricity using a difference between the ebb and the flow of the tides, and is provided with a buoyant body that produces buoyancy, which enables the waterpower generation unit to float on water. A center shaft is mounted on a base on an upper end of the waterpower generation unit, and is rotatably supported by a bearing. A wind power generation unit generates electricity using wind power, is provided on an upper end of the center shaft, and is rotatable depending on a direction of wind. The distance from a front end of the wind power generation unit to the center shaft is shorter than the distance from the center shaft to a rear end of the wind power generation unit.
Owner:INJE UNIV IND ACADEMIC COOP FOUND
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