Patent ID: 8584461

Claim:
An apparatus, suitable for generating energy in a aquatic environment, comprising: a power transfer linkage; at least two water piston assemblies connected to the power transfer linkage, each water piston assembly having: a casing immobilized on a base, the casing having an inner wall and outer wall linked at the casing top, forming a hollow gap between the inner and outer walls, the casing having an opening, suitable to receive water, the casing further having a bottom, the bottom having a door system to allow water into a water container; the water container also having a side wall and a bottom, the side wall of the water container slidably fitting between the inner wall and outer wall of the casing within the space formed by the hollow gap; the water container bottom having openable ports which allow water to drain from the water container to a water exit assembly; wherein when said casing door system is open water flows into said water container, moving said water container in a downward path while simultaneously pushing the water container from the other piston assembly in an upward direction, moving the power transfer linkage in a manner to create power.