Discoveries & Pioneering Efforts in the Fields of Wave & Tidal Energy
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Wave / Tidal Energy
Wave / Tidal Energy - Inventions, Research, Innovations, Breakthroughs
- Wave Power: Energy Buoy to Lead to Wavefarm? - BBC News reports that a pioneering project to harness Wave power off the coast of north Cornwall, England is being monitored by scientists around the world. A state-of-the-art energy buoy is being launched 12 miles off St Ives by the Renewable Energy Agency for the South West (Regen SW) on Friday. The $132,000 buoy will record wave activity and measure wave power…Alt Energy Blog, Jan 2005
- Wave Dragon – A large-scale ocean-energy solution for bulk electricity generation – see Wave Dragon web site. Wave Dragon is a floating, slack-moored energy converter of the overtopping type that can be deployed in a single unit or in arrays of Wave Dragon units in groups resulting in a power plant with a capacity comparable to traditional fossil based power plants. The first prototype connected to the grid is currently deployed in Nissum Bredning, Denmark. Long term testing is carried out to determine system performance; i.e. availability and power production in different sea states. The energy absorption performance stated at this website has now been independently verified and focus will now be on power production optimisation. These tests will lead to a multi-MW deployment in 2007.
- Cliff-based Wave Power Potential for UK - Wave power plants built into cliff faces around the UK coast could be a reality within the next decade thanks to a pioneering Wave Energy plant being developed in a cliff on the Faroe Islands. Inverness based Wavegen, the company behind the world's first grid-connected wave power station on Islay, have been working in partnership with SEV, the Faroese electricity company, to develop a wave power station in the Faroe Islands. Read more from Renewable Energy Access, Feb 2005
- Aaron Goldin, a senior at San Dieguito High School Academy in Encinitas, California invented the "Gyro-Gen," a gyroscope that converts Ocean wave energy into electricity. The spinning gyroscope, mounted in a buoy, resists the movement of the waves by exerting torque on a crank, which turns an electric generator. See more about this invention from here (Dec 2004)
- Device for the Utilization of Wave Energy - Norwegian Patent No.: 311317 and PCT/NO01/0011 - Abstract: Device for the conversion of wave energy into useful energy, which includes a float (1) placed around a vertical column (2), a coupling (comprising 4, 5, 6, 7 and 8) and energy converters (9, 10, 11). By means of the coupling (4, 5, 6, 7, 8) the float (1) is arranged for both axial movement and pivotal movement in relation to the vertical column (2). Energy converters (9, 10) are placed in connection with the coupling’s (4, 5, 6, 7, 8) pivotal movement, and energy converters (11) are placed in connection with the bearing unit’s (4) axial movement so that the energy in both the float’s (1) upwards/downwards movement and pivotal movement about horizontal axes are utilised. The energy in the waves is thus transformed into useful energy, eg electrical energy. Read more from here
- Navatek creates electricity from waves - Dec 2006 - Naval architect Navatek Ltd. has developed a way to turn waves into electricity. The Honolulu-based company has filed for a U.S. patent on a wave-energy-conversion device. Original news report from the Honolulu Advertiser
- Proceedings of the Hydrokinetic and Wave Energy Technologies Technical and Environmental Issues Workshop - October 26-28, 2005, Washington, D.C. (PDF)
- Ocean tide and wave energy converter - United States Patent 4034231 - Abstract A machine for harnessing the motion of ocean waves in order to convert the motion energy into useful electrical power; the machine consisting of a large V-shaped frame, submerged near a beach, having its apex pointed away from the beach, and the frame supporting a series of water turbines connected to an electric generator so that incoming waves toward a beach move along the outer side of the frame while turning the turbine rotors, and outgoing waves moving along the inner side of the frame so to likewise influence turning the turbine rotors. Read more about this patent from Wiki Patents
- Apparatus for converting ocean wave energy into electric power - US Patent Issued on March 14, 2006 - Inventor(s) - Jwo-Hwu Yi; US Patent References - 5552657 - Abstract: An ocean wave energy conversion apparatus includes a float adapted to ride on the surface of the ocean in reciprocal vertical motion in response to ocean wave front action and a lever adapted to ride on the surface of the ocean. The lever has one end coupled to the float. A fulcrum pivotally supports the lever. A magnet is coupled to the other end of the lever. Parallel stator cores having electric coils wound thereon together with the magnet form a magnetic circuit. Springs are adjacent the magnet and interconnected to the lever and the magnet. A barrier is disposed between adjacent stator cores. The upward motion of the float caused by impact of waves will move the magnet downward by the lever and compresses the springs. Downward motion of the float will move the magnet upward by the lever and expand the springs. Repeated movement of the magnet will induce a voltage in the electric coils. See this Patent Storm page for more
- Energy from the motion of the ocean - A former surfer
designs a buoy that can convert wave motion into electricity - By Dan
Drollette, FSB Magazine - December, 2006 - A former surfer's recent
invention is a buoy that can convert a wave's up-and-down motion into
electricity, which can be carried ashore by undersea cables and fed into
the national power grid. The buoys get deployed a mile or so offshore,
either individually or linked together in a field of a dozen or more
covering 30 acres of the ocean's surface. Read the full
report from this page
Check out the latest inventions and
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