E - Fixed Constructions – 02 – B
Patent
E - Fixed Constructions
02
B
138/1
E02B 9/08 (2006.01)
Patent
CA 1202227
ABSTRACT The present invention relates to a method and apparatus for tidal electric power generation using the buoyancy energy of the tide. The present invention includes a buoyant container having a balancing buoyant chamber and a flood gate, a power transmission apparatus having a converting apparatus, and a four-way valve. The buoyant force of the buoyant container is decreased during the upward movement of the container while the kinetic energy decreases during the downward movement of the container. With control of the four-way valve, the decreasing buoyancy force is partially compensated for by the pumping of water from the buoyant container and the kinetic energy is reinforced by filling the buoyant container with water. The converting apparatus comprises two conic helical gears. By using the conic helical gears, the buoyant force and the kinetic energy are constantly transmitted to the pump. A brake holds the buoyant container at a height where the weight of the buoyant container balances with the buoyant force. At the ebb and flow of the tide, the brake is released and instantaneous force is produced. By virtue of the present invention, greater energy can be obtained with little energy loss by comparison with conventional systems of this general nature.
434718
Borden Ladner Gervais Llp
Choi In K.
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