KESC Tidal Generator

Patent Application Filed: August 2004

Patent Application Owner: Darwin A. Salls

The Tidal Generator is based on free flow hydrodynamics for regions that have flood and ebb tides. Strategically attached to bridges, pilings, river, channel, or sea bottoms, this multi-directional generator contains two sets of turbine blades. As the tide flows inward the inward turbine blades opens to maximum rotor diameter while the outward turbine closes into the outward cone-shaped hub to create a hydro dynamically clean surface for water to flow without drag. The center diameter is 75% of the diameter of the turbine blades at full rotor extension for stability.

Product Performance

Performance of the Tidal Generator is also dependent on the tides, less predictable than the ocean because of shifting bottom conditions, lunar cycles, depth of water, and varying strength.

A 600 kW Tidal Generator with a 10 meter turbine blade diameter, 2 m/s (4 knots) current, at 35% efficiency will generate 1,814,4000 kWh per year.

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