WAVE AND TIDAL ENERGY Clean Renewable Power For Islands and

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Presentation transcript:

WAVE AND TIDAL ENERGY Clean Renewable Power For Islands and Coastal Communities Around The World Inventor: John C. Hanna U.S. Patent 8,358,026

NEW TECHNOLOGY Simple - Only three moving parts Versatile – Wave OR Tidal Energy Adaptive – Multiple configurations Low Cost – Off-The-Shelf parts Robust - Built for decades of use Accessible – Easy to maintain Scalable – Single or multiple array Consistent – Waves and tides Patented Wave & Tidal Drive Train

Direct Drive, 1 to 1 Ratio, No Transmission TIDAL TURBINE (1) Turbine airfoils (2) Hub (3) One-way freewheel bearings (4) Common drive shaft (5) Housing for generator (6) Alternating tidal flows (7) Rotation of one-way shaft (8) Optional shroud Direct Drive, 1 to 1 Ratio, No Transmission

Wave Turbine – Bent Duct Version Uses the same patented drive line as the tidal turbine Three moving parts – Rotors & shaft Bent Duct version (shown) to save space Inline version (next page) can be vertical or horizontal Shore or Buoy Installation Drives Two Generators: can use conventional or annular ring type

Wave Turbine – Inline Duct Version

Operating Principle – Wave or Tidal Versions The dual rotor blades are mirror Flow direction alternates back and forth. The images of each other. The rotor upstream rotor always turns the drive shaft. blades’ leading edges point out. The downstream rotor will always freewheel. Regardless of flow direction, the shaft will always spin in one direction!

TIDAL INSTALLATION METHODS Stand alone on seabed Seabed Array Fixed Onshore Array Floating from Surface

WAVE INSTALLATION METHODS Nearshore Buoy Onshore Jetties or Breakwaters Offshore Oil & Wind Platforms: On Legs or Suspended Below

CONCLUSION The world’s oceans can provide 80,000 TWh/year of power; a third of the world's annual electricity consumption. Ocean current, tidal and wave energy is more dependable than wind and solar. The wave and tidal converter described here offers a simple and practical design to make a meaningful contribution towards global sustainability. The patented drive train is unique. It’s the reason the turbine works so efficiently. There is nothing like it in the wave or tidal energy sector. The Hanna technology is proven by high-level academic research studies. The groundwork is complete for a qualified developer to acquire the technology for commercialization.